SemaType.cpp revision a08fcb8105bf53f3640ad17f61bdcde2d8ace78a
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- SemaType.cpp - Semantic Analysis for Types -----------------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements type-related semantic analysis. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 142d88708cbe4e4ec5e04e4acb6bd7f5be68557379John McCall#include "clang/Sema/SemaInternal.h" 157cd088e519d7e6caa4c4c12db52e0e4ae35d25c2John McCall#include "clang/Sema/Template.h" 16207f4d8543529221932af82836016a2ef066c917Peter Collingbourne#include "clang/Basic/OpenCL.h" 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/ASTContext.h" 1836f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor#include "clang/AST/ASTMutationListener.h" 19a8f32e0965ee19ecc53cd796e34268377a20357cDouglas Gregor#include "clang/AST/CXXInheritance.h" 20980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 212943aed177b33ae3f14273b11a7b398e5276ec62Douglas Gregor#include "clang/AST/DeclTemplate.h" 224adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 2351bd803fbdade51d674598ed45da3d54190a656cJohn McCall#include "clang/AST/TypeLocVisitor.h" 24e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 2591a0cc913ecc5619b76d2e40742fd09725be8c56Anders Carlsson#include "clang/Basic/PartialDiagnostic.h" 26d18f9f965bcfe56edcdf9b0d8375ffaad9866b3fCharles Davis#include "clang/Basic/TargetInfo.h" 272792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall#include "clang/Lex/Preprocessor.h" 2819510856727e0e14a3696b2a72c35163bff2a71fJohn McCall#include "clang/Sema/DeclSpec.h" 294994d2d50ceacdc8908f750c55589c0a20942a0aSebastian Redl#include "llvm/ADT/SmallPtrSet.h" 3087c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor#include "llvm/Support/ErrorHandling.h" 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 332dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor/// \brief Perform adjustment on the parameter type of a function. 342dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor/// 352dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor/// This routine adjusts the given parameter type @p T to the actual 361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter type used by semantic analysis (C99 6.7.5.3p[7,8], 371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C++ [dcl.fct]p3). The adjusted parameter type is returned. 382dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas GregorQualType Sema::adjustParameterType(QualType T) { 392dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor // C99 6.7.5.3p7: 40778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner // A declaration of a parameter as "array of type" shall be 41778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner // adjusted to "qualified pointer to type", where the type 42778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner // qualifiers (if any) are those specified within the [ and ] of 43778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner // the array type derivation. 44778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner if (T->isArrayType()) 452dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return Context.getArrayDecayedType(T); 46778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner 47778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner // C99 6.7.5.3p8: 48778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner // A declaration of a parameter as "function returning type" 49778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner // shall be adjusted to "pointer to function returning type", as 50778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner // in 6.3.2.1. 51778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner if (T->isFunctionType()) 522dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return Context.getPointerType(T); 532dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 542dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor return T; 552dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor} 562dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 575db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner 585db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner 595db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner/// isOmittedBlockReturnType - Return true if this declarator is missing a 605db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner/// return type because this is a omitted return type on a block literal. 618ce35b095e8fca45e04c1bda14ed0548ce7536adSebastian Redlstatic bool isOmittedBlockReturnType(const Declarator &D) { 625db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner if (D.getContext() != Declarator::BlockLiteralContext || 638ce35b095e8fca45e04c1bda14ed0548ce7536adSebastian Redl D.getDeclSpec().hasTypeSpecifier()) 645db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner return false; 655db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner 665db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner if (D.getNumTypeObjects() == 0) 67a64ef0ab5cb6ac9cfb7d40661a9152c4aa488386Chris Lattner return true; // ^{ ... } 685db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner 695db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner if (D.getNumTypeObjects() == 1 && 705db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner D.getTypeObject(0).Kind == DeclaratorChunk::Function) 71a64ef0ab5cb6ac9cfb7d40661a9152c4aa488386Chris Lattner return true; // ^(int X, float Y) { ... } 725db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner 735db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner return false; 745db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner} 755db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner 762792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall/// diagnoseBadTypeAttribute - Diagnoses a type attribute which 772792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall/// doesn't apply to the given type. 782792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCallstatic void diagnoseBadTypeAttribute(Sema &S, const AttributeList &attr, 792792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall QualType type) { 802792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall bool useInstantiationLoc = false; 812792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall 822792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall unsigned diagID = 0; 832792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall switch (attr.getKind()) { 842792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall case AttributeList::AT_objc_gc: 852792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall diagID = diag::warn_pointer_attribute_wrong_type; 862792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall useInstantiationLoc = true; 872792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall break; 882792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall 892792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall default: 902792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall // Assume everything else was a function attribute. 912792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall diagID = diag::warn_function_attribute_wrong_type; 922792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall break; 932792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall } 942792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall 952792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall SourceLocation loc = attr.getLoc(); 962792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall llvm::StringRef name = attr.getName()->getName(); 972792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall 982792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall // The GC attributes are usually written with macros; special-case them. 992792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall if (useInstantiationLoc && loc.isMacroID() && attr.getParameterName()) { 100834e3f6c77d9ac03997a3f0c56934edcf406a355John McCall if (attr.getParameterName()->isStr("strong")) { 101834e3f6c77d9ac03997a3f0c56934edcf406a355John McCall if (S.findMacroSpelling(loc, "__strong")) name = "__strong"; 102834e3f6c77d9ac03997a3f0c56934edcf406a355John McCall } else if (attr.getParameterName()->isStr("weak")) { 103834e3f6c77d9ac03997a3f0c56934edcf406a355John McCall if (S.findMacroSpelling(loc, "__weak")) name = "__weak"; 1042792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall } 1052792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall } 1062792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall 1072792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall S.Diag(loc, diagID) << name << type; 1082792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall} 1092792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall 110711c52bb20d0c69063b52a99826fb7d2835501f1John McCall// objc_gc applies to Objective-C pointers or, otherwise, to the 111711c52bb20d0c69063b52a99826fb7d2835501f1John McCall// smallest available pointer type (i.e. 'void*' in 'void**'). 112711c52bb20d0c69063b52a99826fb7d2835501f1John McCall#define OBJC_POINTER_TYPE_ATTRS_CASELIST \ 113711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case AttributeList::AT_objc_gc 114711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 115711c52bb20d0c69063b52a99826fb7d2835501f1John McCall// Function type attributes. 116711c52bb20d0c69063b52a99826fb7d2835501f1John McCall#define FUNCTION_TYPE_ATTRS_CASELIST \ 117711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case AttributeList::AT_noreturn: \ 118711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case AttributeList::AT_cdecl: \ 119711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case AttributeList::AT_fastcall: \ 120711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case AttributeList::AT_stdcall: \ 121711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case AttributeList::AT_thiscall: \ 122711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case AttributeList::AT_pascal: \ 123414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov case AttributeList::AT_regparm: \ 124414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov case AttributeList::AT_pcs \ 125711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 126711c52bb20d0c69063b52a99826fb7d2835501f1John McCallnamespace { 127711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// An object which stores processing state for the entire 128711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// GetTypeForDeclarator process. 129711c52bb20d0c69063b52a99826fb7d2835501f1John McCall class TypeProcessingState { 130711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Sema &sema; 131711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 132711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// The declarator being processed. 133711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Declarator &declarator; 134711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 135711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// The index of the declarator chunk we're currently processing. 136711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// May be the total number of valid chunks, indicating the 137711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// DeclSpec. 138711c52bb20d0c69063b52a99826fb7d2835501f1John McCall unsigned chunkIndex; 139711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 140711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// Whether there are non-trivial modifications to the decl spec. 141711c52bb20d0c69063b52a99826fb7d2835501f1John McCall bool trivial; 142711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 1437ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall /// Whether we saved the attributes in the decl spec. 1447ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall bool hasSavedAttrs; 1457ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall 146711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// The original set of attributes on the DeclSpec. 147711c52bb20d0c69063b52a99826fb7d2835501f1John McCall llvm::SmallVector<AttributeList*, 2> savedAttrs; 148711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 149711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// A list of attributes to diagnose the uselessness of when the 150711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// processing is complete. 151711c52bb20d0c69063b52a99826fb7d2835501f1John McCall llvm::SmallVector<AttributeList*, 2> ignoredTypeAttrs; 152711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 153711c52bb20d0c69063b52a99826fb7d2835501f1John McCall public: 154711c52bb20d0c69063b52a99826fb7d2835501f1John McCall TypeProcessingState(Sema &sema, Declarator &declarator) 155711c52bb20d0c69063b52a99826fb7d2835501f1John McCall : sema(sema), declarator(declarator), 156711c52bb20d0c69063b52a99826fb7d2835501f1John McCall chunkIndex(declarator.getNumTypeObjects()), 1577ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall trivial(true), hasSavedAttrs(false) {} 158711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 159711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Sema &getSema() const { 160711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return sema; 161711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 162711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 163711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Declarator &getDeclarator() const { 164711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return declarator; 165711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 166711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 167711c52bb20d0c69063b52a99826fb7d2835501f1John McCall unsigned getCurrentChunkIndex() const { 168711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return chunkIndex; 169711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 170711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 171711c52bb20d0c69063b52a99826fb7d2835501f1John McCall void setCurrentChunkIndex(unsigned idx) { 172711c52bb20d0c69063b52a99826fb7d2835501f1John McCall assert(idx <= declarator.getNumTypeObjects()); 173711c52bb20d0c69063b52a99826fb7d2835501f1John McCall chunkIndex = idx; 174711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 175711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 176711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *&getCurrentAttrListRef() const { 177711c52bb20d0c69063b52a99826fb7d2835501f1John McCall assert(chunkIndex <= declarator.getNumTypeObjects()); 178711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (chunkIndex == declarator.getNumTypeObjects()) 179711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return getMutableDeclSpec().getAttributes().getListRef(); 180711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return declarator.getTypeObject(chunkIndex).getAttrListRef(); 181711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 182711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 183711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// Save the current set of attributes on the DeclSpec. 184711c52bb20d0c69063b52a99826fb7d2835501f1John McCall void saveDeclSpecAttrs() { 185711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Don't try to save them multiple times. 1867ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall if (hasSavedAttrs) return; 187711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 188711c52bb20d0c69063b52a99826fb7d2835501f1John McCall DeclSpec &spec = getMutableDeclSpec(); 189711c52bb20d0c69063b52a99826fb7d2835501f1John McCall for (AttributeList *attr = spec.getAttributes().getList(); attr; 190711c52bb20d0c69063b52a99826fb7d2835501f1John McCall attr = attr->getNext()) 191711c52bb20d0c69063b52a99826fb7d2835501f1John McCall savedAttrs.push_back(attr); 192711c52bb20d0c69063b52a99826fb7d2835501f1John McCall trivial &= savedAttrs.empty(); 1937ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall hasSavedAttrs = true; 194711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 195711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 196711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// Record that we had nowhere to put the given type attribute. 197711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// We will diagnose such attributes later. 198711c52bb20d0c69063b52a99826fb7d2835501f1John McCall void addIgnoredTypeAttr(AttributeList &attr) { 199711c52bb20d0c69063b52a99826fb7d2835501f1John McCall ignoredTypeAttrs.push_back(&attr); 200711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 201711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 202711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// Diagnose all the ignored type attributes, given that the 203711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// declarator worked out to the given type. 204711c52bb20d0c69063b52a99826fb7d2835501f1John McCall void diagnoseIgnoredTypeAttrs(QualType type) const { 205711c52bb20d0c69063b52a99826fb7d2835501f1John McCall for (llvm::SmallVectorImpl<AttributeList*>::const_iterator 206711c52bb20d0c69063b52a99826fb7d2835501f1John McCall i = ignoredTypeAttrs.begin(), e = ignoredTypeAttrs.end(); 2072792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall i != e; ++i) 2082792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall diagnoseBadTypeAttribute(getSema(), **i, type); 209711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 210711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 211711c52bb20d0c69063b52a99826fb7d2835501f1John McCall ~TypeProcessingState() { 212711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (trivial) return; 213711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 214711c52bb20d0c69063b52a99826fb7d2835501f1John McCall restoreDeclSpecAttrs(); 215711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 216711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 217711c52bb20d0c69063b52a99826fb7d2835501f1John McCall private: 218711c52bb20d0c69063b52a99826fb7d2835501f1John McCall DeclSpec &getMutableDeclSpec() const { 219711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return const_cast<DeclSpec&>(declarator.getDeclSpec()); 220711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 221711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 222711c52bb20d0c69063b52a99826fb7d2835501f1John McCall void restoreDeclSpecAttrs() { 2237ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall assert(hasSavedAttrs); 2247ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall 2257ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall if (savedAttrs.empty()) { 2267ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall getMutableDeclSpec().getAttributes().set(0); 2277ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall return; 2287ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall } 2297ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall 230711c52bb20d0c69063b52a99826fb7d2835501f1John McCall getMutableDeclSpec().getAttributes().set(savedAttrs[0]); 231711c52bb20d0c69063b52a99826fb7d2835501f1John McCall for (unsigned i = 0, e = savedAttrs.size() - 1; i != e; ++i) 232711c52bb20d0c69063b52a99826fb7d2835501f1John McCall savedAttrs[i]->setNext(savedAttrs[i+1]); 233711c52bb20d0c69063b52a99826fb7d2835501f1John McCall savedAttrs.back()->setNext(0); 234711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 235711c52bb20d0c69063b52a99826fb7d2835501f1John McCall }; 236711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 237711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// Basically std::pair except that we really want to avoid an 238711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// implicit operator= for safety concerns. It's also a minor 239711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// link-time optimization for this to be a private type. 240711c52bb20d0c69063b52a99826fb7d2835501f1John McCall struct AttrAndList { 241711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// The attribute. 242711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &first; 243711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 244711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /// The head of the list the attribute is currently in. 245711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *&second; 246711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 247711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttrAndList(AttributeList &attr, AttributeList *&head) 248711c52bb20d0c69063b52a99826fb7d2835501f1John McCall : first(attr), second(head) {} 249711c52bb20d0c69063b52a99826fb7d2835501f1John McCall }; 25004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall} 25104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 252711c52bb20d0c69063b52a99826fb7d2835501f1John McCallnamespace llvm { 253711c52bb20d0c69063b52a99826fb7d2835501f1John McCall template <> struct isPodLike<AttrAndList> { 254711c52bb20d0c69063b52a99826fb7d2835501f1John McCall static const bool value = true; 255711c52bb20d0c69063b52a99826fb7d2835501f1John McCall }; 256711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 257711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 258711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void spliceAttrIntoList(AttributeList &attr, AttributeList *&head) { 259711c52bb20d0c69063b52a99826fb7d2835501f1John McCall attr.setNext(head); 260711c52bb20d0c69063b52a99826fb7d2835501f1John McCall head = &attr; 261711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 262711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 263711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void spliceAttrOutOfList(AttributeList &attr, AttributeList *&head) { 264711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (head == &attr) { 265711c52bb20d0c69063b52a99826fb7d2835501f1John McCall head = attr.getNext(); 266711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 26704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall } 268711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 269711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *cur = head; 270711c52bb20d0c69063b52a99826fb7d2835501f1John McCall while (true) { 271711c52bb20d0c69063b52a99826fb7d2835501f1John McCall assert(cur && cur->getNext() && "ran out of attrs?"); 272711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (cur->getNext() == &attr) { 273711c52bb20d0c69063b52a99826fb7d2835501f1John McCall cur->setNext(attr.getNext()); 274711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 275711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 276711c52bb20d0c69063b52a99826fb7d2835501f1John McCall cur = cur->getNext(); 277711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 278711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 279711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 280711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void moveAttrFromListToList(AttributeList &attr, 281711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *&fromList, 282711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *&toList) { 283711c52bb20d0c69063b52a99826fb7d2835501f1John McCall spliceAttrOutOfList(attr, fromList); 284711c52bb20d0c69063b52a99826fb7d2835501f1John McCall spliceAttrIntoList(attr, toList); 285711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 286711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 287711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void processTypeAttrs(TypeProcessingState &state, 288711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType &type, bool isDeclSpec, 289711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *attrs); 290711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 291711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic bool handleFunctionTypeAttr(TypeProcessingState &state, 292711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, 293711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType &type); 294711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 295711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic bool handleObjCGCTypeAttr(TypeProcessingState &state, 296711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, QualType &type); 297711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 298711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic bool handleObjCPointerTypeAttr(TypeProcessingState &state, 299711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, QualType &type) { 300711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Right now, we have exactly one of these attributes: objc_gc. 301711c52bb20d0c69063b52a99826fb7d2835501f1John McCall assert(attr.getKind() == AttributeList::AT_objc_gc); 302711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return handleObjCGCTypeAttr(state, attr, type); 303711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 304711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 305711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// Given that an objc_gc attribute was written somewhere on a 306711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// declaration *other* than on the declarator itself (for which, use 307711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// distributeObjCPointerTypeAttrFromDeclarator), and given that it 308711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// didn't apply in whatever position it was written in, try to move 309711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// it to a more appropriate position. 310711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void distributeObjCPointerTypeAttr(TypeProcessingState &state, 311711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, 312711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType type) { 313711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Declarator &declarator = state.getDeclarator(); 314711c52bb20d0c69063b52a99826fb7d2835501f1John McCall for (unsigned i = state.getCurrentChunkIndex(); i != 0; --i) { 315711c52bb20d0c69063b52a99826fb7d2835501f1John McCall DeclaratorChunk &chunk = declarator.getTypeObject(i-1); 316711c52bb20d0c69063b52a99826fb7d2835501f1John McCall switch (chunk.Kind) { 317711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Pointer: 318711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::BlockPointer: 319711c52bb20d0c69063b52a99826fb7d2835501f1John McCall moveAttrFromListToList(attr, state.getCurrentAttrListRef(), 320711c52bb20d0c69063b52a99826fb7d2835501f1John McCall chunk.getAttrListRef()); 321711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 322711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 323711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Paren: 324711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Array: 325711c52bb20d0c69063b52a99826fb7d2835501f1John McCall continue; 326711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 327711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Don't walk through these. 328711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Reference: 329711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Function: 330711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::MemberPointer: 331711c52bb20d0c69063b52a99826fb7d2835501f1John McCall goto error; 332711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 333711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 334711c52bb20d0c69063b52a99826fb7d2835501f1John McCall error: 3352792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall 3362792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall diagnoseBadTypeAttribute(state.getSema(), attr, type); 337711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 338711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 339711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// Distribute an objc_gc type attribute that was written on the 340711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// declarator. 341711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void 342711c52bb20d0c69063b52a99826fb7d2835501f1John McCalldistributeObjCPointerTypeAttrFromDeclarator(TypeProcessingState &state, 343711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, 344711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType &declSpecType) { 345711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Declarator &declarator = state.getDeclarator(); 346711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 347711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // objc_gc goes on the innermost pointer to something that's not a 348711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // pointer. 349711c52bb20d0c69063b52a99826fb7d2835501f1John McCall unsigned innermost = -1U; 350711c52bb20d0c69063b52a99826fb7d2835501f1John McCall bool considerDeclSpec = true; 351711c52bb20d0c69063b52a99826fb7d2835501f1John McCall for (unsigned i = 0, e = declarator.getNumTypeObjects(); i != e; ++i) { 352711c52bb20d0c69063b52a99826fb7d2835501f1John McCall DeclaratorChunk &chunk = declarator.getTypeObject(i); 353711c52bb20d0c69063b52a99826fb7d2835501f1John McCall switch (chunk.Kind) { 354711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Pointer: 355711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::BlockPointer: 356711c52bb20d0c69063b52a99826fb7d2835501f1John McCall innermost = i; 357ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall continue; 358711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 359711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Reference: 360711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::MemberPointer: 361711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Paren: 362711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Array: 363711c52bb20d0c69063b52a99826fb7d2835501f1John McCall continue; 364711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 365711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Function: 366711c52bb20d0c69063b52a99826fb7d2835501f1John McCall considerDeclSpec = false; 367711c52bb20d0c69063b52a99826fb7d2835501f1John McCall goto done; 368711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 369711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 370711c52bb20d0c69063b52a99826fb7d2835501f1John McCall done: 371711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 372711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // That might actually be the decl spec if we weren't blocked by 373711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // anything in the declarator. 374711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (considerDeclSpec) { 3757ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall if (handleObjCPointerTypeAttr(state, attr, declSpecType)) { 3767ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall // Splice the attribute into the decl spec. Prevents the 3777ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall // attribute from being applied multiple times and gives 3787ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall // the source-location-filler something to work with. 3797ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall state.saveDeclSpecAttrs(); 3807ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall moveAttrFromListToList(attr, declarator.getAttrListRef(), 3817ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall declarator.getMutableDeclSpec().getAttributes().getListRef()); 382711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 3837ea21937de6f849a7f44f10549c3d69c5a8cb3f3John McCall } 384711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 385711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 386711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Otherwise, if we found an appropriate chunk, splice the attribute 387711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // into it. 388711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (innermost != -1U) { 389711c52bb20d0c69063b52a99826fb7d2835501f1John McCall moveAttrFromListToList(attr, declarator.getAttrListRef(), 390711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.getTypeObject(innermost).getAttrListRef()); 391711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 392711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 393711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 394711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Otherwise, diagnose when we're done building the type. 395711c52bb20d0c69063b52a99826fb7d2835501f1John McCall spliceAttrOutOfList(attr, declarator.getAttrListRef()); 396711c52bb20d0c69063b52a99826fb7d2835501f1John McCall state.addIgnoredTypeAttr(attr); 397711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 398711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 399711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// A function type attribute was written somewhere in a declaration 400711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// *other* than on the declarator itself or in the decl spec. Given 401711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// that it didn't apply in whatever position it was written in, try 402711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// to move it to a more appropriate position. 403711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void distributeFunctionTypeAttr(TypeProcessingState &state, 404711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, 405711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType type) { 406711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Declarator &declarator = state.getDeclarator(); 407711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 408711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Try to push the attribute from the return type of a function to 409711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // the function itself. 410711c52bb20d0c69063b52a99826fb7d2835501f1John McCall for (unsigned i = state.getCurrentChunkIndex(); i != 0; --i) { 411711c52bb20d0c69063b52a99826fb7d2835501f1John McCall DeclaratorChunk &chunk = declarator.getTypeObject(i-1); 412711c52bb20d0c69063b52a99826fb7d2835501f1John McCall switch (chunk.Kind) { 413711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Function: 414711c52bb20d0c69063b52a99826fb7d2835501f1John McCall moveAttrFromListToList(attr, state.getCurrentAttrListRef(), 415711c52bb20d0c69063b52a99826fb7d2835501f1John McCall chunk.getAttrListRef()); 416711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 417711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 418711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Paren: 419711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Pointer: 420711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::BlockPointer: 421711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Array: 422711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::Reference: 423711c52bb20d0c69063b52a99826fb7d2835501f1John McCall case DeclaratorChunk::MemberPointer: 424711c52bb20d0c69063b52a99826fb7d2835501f1John McCall continue; 425711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 426711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 427711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 4282792fa5115c5de7cbe11d99d23663c569bfb4caeJohn McCall diagnoseBadTypeAttribute(state.getSema(), attr, type); 429711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 430711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 431711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// Try to distribute a function type attribute to the innermost 432711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// function chunk or type. Returns true if the attribute was 433711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// distributed, false if no location was found. 434711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic bool 435711c52bb20d0c69063b52a99826fb7d2835501f1John McCalldistributeFunctionTypeAttrToInnermost(TypeProcessingState &state, 436711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, 437711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *&attrList, 438711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType &declSpecType) { 439711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Declarator &declarator = state.getDeclarator(); 440711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 441711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Put it on the innermost function chunk, if there is one. 442711c52bb20d0c69063b52a99826fb7d2835501f1John McCall for (unsigned i = 0, e = declarator.getNumTypeObjects(); i != e; ++i) { 443711c52bb20d0c69063b52a99826fb7d2835501f1John McCall DeclaratorChunk &chunk = declarator.getTypeObject(i); 444711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (chunk.Kind != DeclaratorChunk::Function) continue; 445711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 446711c52bb20d0c69063b52a99826fb7d2835501f1John McCall moveAttrFromListToList(attr, attrList, chunk.getAttrListRef()); 447711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 448711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 449711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 450711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return handleFunctionTypeAttr(state, attr, declSpecType); 451711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 452711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 453711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// A function type attribute was written in the decl spec. Try to 454711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// apply it somewhere. 455711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void 456711c52bb20d0c69063b52a99826fb7d2835501f1John McCalldistributeFunctionTypeAttrFromDeclSpec(TypeProcessingState &state, 457711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, 458711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType &declSpecType) { 459711c52bb20d0c69063b52a99826fb7d2835501f1John McCall state.saveDeclSpecAttrs(); 460711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 461711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Try to distribute to the innermost. 462711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (distributeFunctionTypeAttrToInnermost(state, attr, 463711c52bb20d0c69063b52a99826fb7d2835501f1John McCall state.getCurrentAttrListRef(), 464711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declSpecType)) 465711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 466711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 467711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // If that failed, diagnose the bad attribute when the declarator is 468711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // fully built. 469711c52bb20d0c69063b52a99826fb7d2835501f1John McCall state.addIgnoredTypeAttr(attr); 470711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 471711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 472711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// A function type attribute was written on the declarator. Try to 473711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// apply it somewhere. 474711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void 475711c52bb20d0c69063b52a99826fb7d2835501f1John McCalldistributeFunctionTypeAttrFromDeclarator(TypeProcessingState &state, 476711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, 477711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType &declSpecType) { 478711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Declarator &declarator = state.getDeclarator(); 479711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 480711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Try to distribute to the innermost. 481711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (distributeFunctionTypeAttrToInnermost(state, attr, 482711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.getAttrListRef(), 483711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declSpecType)) 484711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 485711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 486711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // If that failed, diagnose the bad attribute when the declarator is 487711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // fully built. 488711c52bb20d0c69063b52a99826fb7d2835501f1John McCall spliceAttrOutOfList(attr, declarator.getAttrListRef()); 489711c52bb20d0c69063b52a99826fb7d2835501f1John McCall state.addIgnoredTypeAttr(attr); 490711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 491711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 492711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// \brief Given that there are attributes written on the declarator 493711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// itself, try to distribute any type attributes to the appropriate 494711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// declarator chunk. 495711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// 496711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// These are attributes like the following: 497711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// int f ATTR; 498711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// int (f ATTR)(); 499711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// but not necessarily this: 500711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// int f() ATTR; 501711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void distributeTypeAttrsFromDeclarator(TypeProcessingState &state, 502711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType &declSpecType) { 503711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Collect all the type attributes from the declarator itself. 504711c52bb20d0c69063b52a99826fb7d2835501f1John McCall assert(state.getDeclarator().getAttributes() && "declarator has no attrs!"); 505711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *attr = state.getDeclarator().getAttributes(); 506711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *next; 507711c52bb20d0c69063b52a99826fb7d2835501f1John McCall do { 508711c52bb20d0c69063b52a99826fb7d2835501f1John McCall next = attr->getNext(); 509711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 510711c52bb20d0c69063b52a99826fb7d2835501f1John McCall switch (attr->getKind()) { 511711c52bb20d0c69063b52a99826fb7d2835501f1John McCall OBJC_POINTER_TYPE_ATTRS_CASELIST: 512711c52bb20d0c69063b52a99826fb7d2835501f1John McCall distributeObjCPointerTypeAttrFromDeclarator(state, *attr, declSpecType); 513711c52bb20d0c69063b52a99826fb7d2835501f1John McCall break; 514711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 515711c52bb20d0c69063b52a99826fb7d2835501f1John McCall FUNCTION_TYPE_ATTRS_CASELIST: 516711c52bb20d0c69063b52a99826fb7d2835501f1John McCall distributeFunctionTypeAttrFromDeclarator(state, *attr, declSpecType); 517711c52bb20d0c69063b52a99826fb7d2835501f1John McCall break; 518711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 519711c52bb20d0c69063b52a99826fb7d2835501f1John McCall default: 520711c52bb20d0c69063b52a99826fb7d2835501f1John McCall break; 521711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 522711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } while ((attr = next)); 523711c52bb20d0c69063b52a99826fb7d2835501f1John McCall} 524711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 525711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// Add a synthetic '()' to a block-literal declarator if it is 526711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// required, given the return type. 527711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void maybeSynthesizeBlockSignature(TypeProcessingState &state, 528711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType declSpecType) { 529711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Declarator &declarator = state.getDeclarator(); 530711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 531711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // First, check whether the declarator would produce a function, 532711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // i.e. whether the innermost semantic chunk is a function. 533711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (declarator.isFunctionDeclarator()) { 534711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // If so, make that declarator a prototyped declarator. 535711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.getFunctionTypeInfo().hasPrototype = true; 536711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 537711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 538711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 539da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // If there are any type objects, the type as written won't name a 540da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // function, regardless of the decl spec type. This is because a 541da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // block signature declarator is always an abstract-declarator, and 542da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // abstract-declarators can't just be parentheses chunks. Therefore 543da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // we need to build a function chunk unless there are no type 544da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // objects and the decl spec type is a function. 545711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!declarator.getNumTypeObjects() && declSpecType->isFunctionType()) 546711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return; 547711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 548da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // Note that there *are* cases with invalid declarators where 549da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // declarators consist solely of parentheses. In general, these 550da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // occur only in failed efforts to make function declarators, so 551da263795abd39437d73d23fcf34dcd3afc1d7df3John McCall // faking up the function chunk is still the right thing to do. 552711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 553711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Otherwise, we need to fake up a function declarator. 554711c52bb20d0c69063b52a99826fb7d2835501f1John McCall SourceLocation loc = declarator.getSourceRange().getBegin(); 555711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 556711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // ...and *prepend* it to the declarator. 557711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.AddInnermostTypeInfo(DeclaratorChunk::getFunction( 558711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /*proto*/ true, 559711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /*variadic*/ false, SourceLocation(), 560711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /*args*/ 0, 0, 561711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /*type quals*/ 0, 56283f51722ed2b8134810cb178f39e44da811de7cdDouglas Gregor /*ref-qualifier*/true, SourceLocation(), 5636e5d319b671dbb0ecf70619834aa23c853d17621Sebastian Redl /*EH*/ EST_None, SourceLocation(), 0, 0, 0, 0, 564711c52bb20d0c69063b52a99826fb7d2835501f1John McCall /*parens*/ loc, loc, 565711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator)); 566711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 567711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // For consistency, make sure the state still has us as processing 568711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // the decl spec. 569711c52bb20d0c69063b52a99826fb7d2835501f1John McCall assert(state.getCurrentChunkIndex() == declarator.getNumTypeObjects() - 1); 570711c52bb20d0c69063b52a99826fb7d2835501f1John McCall state.setCurrentChunkIndex(declarator.getNumTypeObjects()); 57104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall} 57204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 573930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor/// \brief Convert the specified declspec to the appropriate type 574930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor/// object. 5755db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner/// \param D the declarator containing the declaration specifier. 5765153ee66d6d4fb37b02f85df38e48dc8b46660dfChris Lattner/// \returns The type described by the declaration specifiers. This function 5775153ee66d6d4fb37b02f85df38e48dc8b46660dfChris Lattner/// never returns null. 578711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic QualType ConvertDeclSpecToType(Sema &S, TypeProcessingState &state) { 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: Should move the logic from DeclSpec::Finish to here for validity 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // checking. 581711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 582711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Declarator &declarator = state.getDeclarator(); 583711c52bb20d0c69063b52a99826fb7d2835501f1John McCall const DeclSpec &DS = declarator.getDeclSpec(); 584711c52bb20d0c69063b52a99826fb7d2835501f1John McCall SourceLocation DeclLoc = declarator.getIdentifierLoc(); 5855db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner if (DeclLoc.isInvalid()) 5865db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner DeclLoc = DS.getSourceRange().getBegin(); 5871564e3906cad604a42bd131e584751a75589a9c4Chris Lattner 588711c52bb20d0c69063b52a99826fb7d2835501f1John McCall ASTContext &Context = S.Context; 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5905db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner QualType Result; 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (DS.getTypeSpecType()) { 59296b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner case DeclSpec::TST_void: 59396b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner Result = Context.VoidTy; 59496b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner break; 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case DeclSpec::TST_char: 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DS.getTypeSpecSign() == DeclSpec::TSS_unspecified) 597fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner Result = Context.CharTy; 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (DS.getTypeSpecSign() == DeclSpec::TSS_signed) 599fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner Result = Context.SignedCharTy; 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else { 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(DS.getTypeSpecSign() == DeclSpec::TSS_unsigned && 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Unknown TSS value"); 603fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner Result = Context.UnsignedCharTy; 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 605958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner break; 60664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case DeclSpec::TST_wchar: 60764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis if (DS.getTypeSpecSign() == DeclSpec::TSS_unspecified) 60864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Result = Context.WCharTy; 60964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis else if (DS.getTypeSpecSign() == DeclSpec::TSS_signed) { 610711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DS.getTypeSpecSignLoc(), diag::ext_invalid_sign_spec) 611f3a41af4d5c98a72a1d6720bbbfd658e57ef2541Chris Lattner << DS.getSpecifierName(DS.getTypeSpecType()); 61264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Result = Context.getSignedWCharType(); 61364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis } else { 61464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis assert(DS.getTypeSpecSign() == DeclSpec::TSS_unsigned && 61564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis "Unknown TSS value"); 616711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DS.getTypeSpecSignLoc(), diag::ext_invalid_sign_spec) 617f3a41af4d5c98a72a1d6720bbbfd658e57ef2541Chris Lattner << DS.getSpecifierName(DS.getTypeSpecType()); 61864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Result = Context.getUnsignedWCharType(); 61964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis } 62064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 621f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case DeclSpec::TST_char16: 622f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith assert(DS.getTypeSpecSign() == DeclSpec::TSS_unspecified && 623f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith "Unknown TSS value"); 624f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Result = Context.Char16Ty; 625f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 626f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case DeclSpec::TST_char32: 627f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith assert(DS.getTypeSpecSign() == DeclSpec::TSS_unspecified && 628f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith "Unknown TSS value"); 629f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Result = Context.Char32Ty; 630f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 631d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner case DeclSpec::TST_unspecified: 63262f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner // "<proto1,proto2>" is an objc qualified ID with a missing id. 633097e916b617bb4a069a03764024c310ed42a6424Chris Lattner if (DeclSpec::ProtocolQualifierListTy PQ = DS.getProtocolQualifiers()) { 634c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = Context.getObjCObjectType(Context.ObjCBuiltinIdTy, 635c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall (ObjCProtocolDecl**)PQ, 636c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall DS.getNumProtocolQualifiers()); 637c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = Context.getObjCObjectPointerType(Result); 63862f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner break; 63962f5f7ffad57e0c2af2b308af3735351505937cbChris Lattner } 6405db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner 6415db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner // If this is a missing declspec in a block literal return context, then it 6425db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner // is inferred from the return statements inside the block. 643711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (isOmittedBlockReturnType(declarator)) { 6445db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner Result = Context.DependentTy; 6455db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner break; 6465db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner } 6471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 648d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // Unspecified typespec defaults to int in C90. However, the C90 grammar 649d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // [C90 6.5] only allows a decl-spec if there was *some* type-specifier, 650d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // type-qualifier, or storage-class-specifier. If not, emit an extwarn. 651d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // Note that the one exception to this is function definitions, which are 652d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // allowed to be completely missing a declspec. This is handled in the 653d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // parser already though by it pretending to have seen an 'int' in this 654d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // case. 655711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (S.getLangOptions().ImplicitInt) { 65635d276f443462249b436951c1c663820569e1768Chris Lattner // In C89 mode, we only warn if there is a completely missing declspec 65735d276f443462249b436951c1c663820569e1768Chris Lattner // when one is not allowed. 6583f84ad22acc25353a47ee88f55ab05dffef5d9a9Chris Lattner if (DS.isEmpty()) { 659711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DeclLoc, diag::ext_missing_declspec) 6603f84ad22acc25353a47ee88f55ab05dffef5d9a9Chris Lattner << DS.getSourceRange() 661849b243d4065f56742a4677d6dc8277609a151f8Douglas Gregor << FixItHint::CreateInsertion(DS.getSourceRange().getBegin(), "int"); 6623f84ad22acc25353a47ee88f55ab05dffef5d9a9Chris Lattner } 6634310f4ee260e6c7ceeaf299e240f4d789ecc730dDouglas Gregor } else if (!DS.hasTypeSpecifier()) { 664d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // C99 and C++ require a type specifier. For example, C99 6.7.2p2 says: 665d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // "At least one type specifier shall be given in the declaration 666d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // specifiers in each declaration, and in the specifier-qualifier list in 667d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner // each struct declaration and type name." 6684310f4ee260e6c7ceeaf299e240f4d789ecc730dDouglas Gregor // FIXME: Does Microsoft really have the implicit int extension in C++? 669711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (S.getLangOptions().CPlusPlus && 670711c52bb20d0c69063b52a99826fb7d2835501f1John McCall !S.getLangOptions().Microsoft) { 671711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DeclLoc, diag::err_missing_type_specifier) 6723f84ad22acc25353a47ee88f55ab05dffef5d9a9Chris Lattner << DS.getSourceRange(); 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 674b78d833b12f7c4baab138f305f72efd49455a3f9Chris Lattner // When this occurs in C++ code, often something is very broken with the 675b78d833b12f7c4baab138f305f72efd49455a3f9Chris Lattner // value being declared, poison it as invalid so we don't get chains of 676b78d833b12f7c4baab138f305f72efd49455a3f9Chris Lattner // errors. 677711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.setInvalidType(true); 678b78d833b12f7c4baab138f305f72efd49455a3f9Chris Lattner } else { 679711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DeclLoc, diag::ext_missing_type_specifier) 6803f84ad22acc25353a47ee88f55ab05dffef5d9a9Chris Lattner << DS.getSourceRange(); 681b78d833b12f7c4baab138f305f72efd49455a3f9Chris Lattner } 682d658b562e80d6ef7a1118e34ff12802c6e2fccedChris Lattner } 6831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FALL THROUGH. 6853cbc38bd3569d37f53bd76fa89d24803f48f5036Chris Lattner case DeclSpec::TST_int: { 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (DS.getTypeSpecSign() != DeclSpec::TSS_unsigned) { 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (DS.getTypeSpecWidth()) { 688fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner case DeclSpec::TSW_unspecified: Result = Context.IntTy; break; 689fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner case DeclSpec::TSW_short: Result = Context.ShortTy; break; 690fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner case DeclSpec::TSW_long: Result = Context.LongTy; break; 691311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner case DeclSpec::TSW_longlong: 692311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner Result = Context.LongLongTy; 693311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner 694311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner // long long is a C99 feature. 695711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!S.getLangOptions().C99 && 696711c52bb20d0c69063b52a99826fb7d2835501f1John McCall !S.getLangOptions().CPlusPlus0x) 697711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DS.getTypeSpecWidthLoc(), diag::ext_longlong); 698311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner break; 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } else { 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (DS.getTypeSpecWidth()) { 702fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner case DeclSpec::TSW_unspecified: Result = Context.UnsignedIntTy; break; 703fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner case DeclSpec::TSW_short: Result = Context.UnsignedShortTy; break; 704fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner case DeclSpec::TSW_long: Result = Context.UnsignedLongTy; break; 705311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner case DeclSpec::TSW_longlong: 706311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner Result = Context.UnsignedLongLongTy; 707311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner 708311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner // long long is a C99 feature. 709711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!S.getLangOptions().C99 && 710711c52bb20d0c69063b52a99826fb7d2835501f1John McCall !S.getLangOptions().CPlusPlus0x) 711711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DS.getTypeSpecWidthLoc(), diag::ext_longlong); 712311157fa6be96e2769bf317390dc9fb85087d5faChris Lattner break; 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 715958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner break; 7163cbc38bd3569d37f53bd76fa89d24803f48f5036Chris Lattner } 717fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner case DeclSpec::TST_float: Result = Context.FloatTy; break; 718958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner case DeclSpec::TST_double: 719958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner if (DS.getTypeSpecWidth() == DeclSpec::TSW_long) 720fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner Result = Context.LongDoubleTy; 721958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner else 722fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner Result = Context.DoubleTy; 72339d3e7a26c1969fcb76bceb4ee0a410c60ea5954Peter Collingbourne 72439d3e7a26c1969fcb76bceb4ee0a410c60ea5954Peter Collingbourne if (S.getLangOptions().OpenCL && !S.getOpenCLOptions().cl_khr_fp64) { 72539d3e7a26c1969fcb76bceb4ee0a410c60ea5954Peter Collingbourne S.Diag(DS.getTypeSpecTypeLoc(), diag::err_double_requires_fp64); 72639d3e7a26c1969fcb76bceb4ee0a410c60ea5954Peter Collingbourne declarator.setInvalidType(true); 72739d3e7a26c1969fcb76bceb4ee0a410c60ea5954Peter Collingbourne } 728958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner break; 729fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner case DeclSpec::TST_bool: Result = Context.BoolTy; break; // _Bool or bool 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case DeclSpec::TST_decimal32: // _Decimal32 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case DeclSpec::TST_decimal64: // _Decimal64 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case DeclSpec::TST_decimal128: // _Decimal128 733711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DS.getTypeSpecTypeLoc(), diag::err_decimal_unsupported); 7348f12f65fad7bfbbdbd4234efe0d484f68c3924b6Chris Lattner Result = Context.IntTy; 735711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.setInvalidType(true); 7368f12f65fad7bfbbdbd4234efe0d484f68c3924b6Chris Lattner break; 73799dc91422144483c20d1c7381bc9ac634b646b04Chris Lattner case DeclSpec::TST_class: 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case DeclSpec::TST_enum: 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case DeclSpec::TST_union: 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case DeclSpec::TST_struct: { 741b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TypeDecl *D = dyn_cast_or_null<TypeDecl>(DS.getRepAsDecl()); 7426e24726524c2b51b31bb4b622aa678a46b024f42John McCall if (!D) { 7436e24726524c2b51b31bb4b622aa678a46b024f42John McCall // This can happen in C++ with ambiguous lookups. 7446e24726524c2b51b31bb4b622aa678a46b024f42John McCall Result = Context.IntTy; 745711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.setInvalidType(true); 7466e24726524c2b51b31bb4b622aa678a46b024f42John McCall break; 7476e24726524c2b51b31bb4b622aa678a46b024f42John McCall } 7486e24726524c2b51b31bb4b622aa678a46b024f42John McCall 749a64ef0ab5cb6ac9cfb7d40661a9152c4aa488386Chris Lattner // If the type is deprecated or unavailable, diagnose it. 7500daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara S.DiagnoseUseOfDecl(D, DS.getTypeSpecTypeNameLoc()); 751a64ef0ab5cb6ac9cfb7d40661a9152c4aa488386Chris Lattner 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(DS.getTypeSpecWidth() == 0 && DS.getTypeSpecComplex() == 0 && 753a64ef0ab5cb6ac9cfb7d40661a9152c4aa488386Chris Lattner DS.getTypeSpecSign() == 0 && "No qualifiers on tag names!"); 754a64ef0ab5cb6ac9cfb7d40661a9152c4aa488386Chris Lattner 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // TypeQuals handled by caller. 756a64ef0ab5cb6ac9cfb7d40661a9152c4aa488386Chris Lattner Result = Context.getTypeDeclType(D); 7572191b20bfb31fc0e22a158f6b4204cd0b7dbd0fdJohn McCall 7580daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara // In both C and C++, make an ElaboratedType. 7590daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara ElaboratedTypeKeyword Keyword 7600daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara = ElaboratedType::getKeywordForTypeSpec(DS.getTypeSpecType()); 7610daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara Result = S.getElaboratedType(Keyword, DS.getTypeSpecScope(), Result); 7620daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara 7635153ee66d6d4fb37b02f85df38e48dc8b46660dfChris Lattner if (D->isInvalidDecl()) 764711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.setInvalidType(true); 765958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner break; 7661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 7671a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor case DeclSpec::TST_typename: { 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(DS.getTypeSpecWidth() == 0 && DS.getTypeSpecComplex() == 0 && 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DS.getTypeSpecSign() == 0 && 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Can't handle qualifiers on typedef names yet!"); 771711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Result = S.GetTypeFromParser(DS.getRepAsType()); 77227940d2fb346325d6001a7661e4ada099cd8e59cJohn McCall if (Result.isNull()) 773711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.setInvalidType(true); 77427940d2fb346325d6001a7661e4ada099cd8e59cJohn McCall else if (DeclSpec::ProtocolQualifierListTy PQ 77527940d2fb346325d6001a7661e4ada099cd8e59cJohn McCall = DS.getProtocolQualifiers()) { 776c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *ObjT = Result->getAs<ObjCObjectType>()) { 777c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Silently drop any existing protocol qualifiers. 778c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // TODO: determine whether that's the right thing to do. 779c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjT->getNumProtocols()) 780c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = ObjT->getBaseType(); 781c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 782c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (DS.getNumProtocolQualifiers()) 783c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = Context.getObjCObjectType(Result, 784c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall (ObjCProtocolDecl**) PQ, 785c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall DS.getNumProtocolQualifiers()); 786c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } else if (Result->isObjCIdType()) { 787ae4da6150bb837311a2f0f958b01a2989066ba90Chris Lattner // id<protocol-list> 788c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = Context.getObjCObjectType(Context.ObjCBuiltinIdTy, 789c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall (ObjCProtocolDecl**) PQ, 790c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall DS.getNumProtocolQualifiers()); 791c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = Context.getObjCObjectPointerType(Result); 792c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } else if (Result->isObjCClassType()) { 7934262a07621043c19292f5fd90b1e426d65cd366cSteve Naroff // Class<protocol-list> 794c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = Context.getObjCObjectType(Context.ObjCBuiltinClassTy, 795c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall (ObjCProtocolDecl**) PQ, 796c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall DS.getNumProtocolQualifiers()); 797c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = Context.getObjCObjectPointerType(Result); 7983f84ad22acc25353a47ee88f55ab05dffef5d9a9Chris Lattner } else { 799711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DeclLoc, diag::err_invalid_protocol_qualifiers) 8003f84ad22acc25353a47ee88f55ab05dffef5d9a9Chris Lattner << DS.getSourceRange(); 801711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.setInvalidType(true); 8023f84ad22acc25353a47ee88f55ab05dffef5d9a9Chris Lattner } 803c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian } 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // TypeQuals handled by caller. 806958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner break; 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 808958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner case DeclSpec::TST_typeofType: 809e8661906d49ef6c9694a9cc845ca62a85dbc016dArgyrios Kyrtzidis // FIXME: Preserve type source info. 810711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Result = S.GetTypeFromParser(DS.getRepAsType()); 811958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner assert(!Result.isNull() && "Didn't get a type for typeof?"); 812730e175910936eae49e65caea8b2ba81c67edff7Fariborz Jahanian if (!Result->isDependentType()) 813730e175910936eae49e65caea8b2ba81c67edff7Fariborz Jahanian if (const TagType *TT = Result->getAs<TagType>()) 814711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.DiagnoseUseOfDecl(TT->getDecl(), DS.getTypeSpecTypeLoc()); 815d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff // TypeQuals handled by caller. 816fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner Result = Context.getTypeOfType(Result); 817958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner break; 818d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff case DeclSpec::TST_typeofExpr: { 819b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Expr *E = DS.getRepAsExpr(); 820d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(E && "Didn't get an expression for typeof?"); 821d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff // TypeQuals handled by caller. 822711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Result = S.BuildTypeofExprType(E, DS.getTypeSpecTypeLoc()); 8234b52e25f3b05ab0f9d2492276a52323a50a84fb7Douglas Gregor if (Result.isNull()) { 8244b52e25f3b05ab0f9d2492276a52323a50a84fb7Douglas Gregor Result = Context.IntTy; 825711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.setInvalidType(true); 8264b52e25f3b05ab0f9d2492276a52323a50a84fb7Douglas Gregor } 827958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner break; 828d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 8296fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson case DeclSpec::TST_decltype: { 830b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Expr *E = DS.getRepAsExpr(); 8316fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson assert(E && "Didn't get an expression for decltype?"); 8326fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson // TypeQuals handled by caller. 833711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Result = S.BuildDecltypeType(E, DS.getTypeSpecTypeLoc()); 834af017e682918f7a1a95ff08d9ab7ae3426436ca3Anders Carlsson if (Result.isNull()) { 835af017e682918f7a1a95ff08d9ab7ae3426436ca3Anders Carlsson Result = Context.IntTy; 836711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.setInvalidType(true); 837af017e682918f7a1a95ff08d9ab7ae3426436ca3Anders Carlsson } 8386fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson break; 8396fd634f4ac59f5923cffadadb99d19f23c18707aAnders Carlsson } 840ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case DeclSpec::TST_underlyingType: 841db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt Result = S.GetTypeFromParser(DS.getRepAsType()); 842db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt assert(!Result.isNull() && "Didn't get a type for __underlying_type?"); 843ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Result = S.BuildUnaryTransformType(Result, 844ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::EnumUnderlyingType, 845ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt DS.getTypeSpecTypeLoc()); 846ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt if (Result.isNull()) { 847ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Result = Context.IntTy; 848ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt declarator.setInvalidType(true); 849db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt } 850db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt break; 851db5d44b775c60166074acd184ca9f1981c10c2a7Sean Hunt 852e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson case DeclSpec::TST_auto: { 853e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // TypeQuals handled by caller. 85434b41d939a1328f484511c6002ba2456db879a29Richard Smith Result = Context.getAutoType(QualType()); 855e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson break; 856e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson } 8571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 858a5fc472b353b88be3b4981da946fb01f5a5cc0c6John McCall case DeclSpec::TST_unknown_anytype: 859a5fc472b353b88be3b4981da946fb01f5a5cc0c6John McCall Result = Context.UnknownAnyTy; 860a5fc472b353b88be3b4981da946fb01f5a5cc0c6John McCall break; 861a5fc472b353b88be3b4981da946fb01f5a5cc0c6John McCall 862809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor case DeclSpec::TST_error: 8635153ee66d6d4fb37b02f85df38e48dc8b46660dfChris Lattner Result = Context.IntTy; 864711c52bb20d0c69063b52a99826fb7d2835501f1John McCall declarator.setInvalidType(true); 8655153ee66d6d4fb37b02f85df38e48dc8b46660dfChris Lattner break; 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 868958858e04e9f98a42031ba69779e49c21f01ca6cChris Lattner // Handle complex types. 869f244cd7e54753caf6edb76df430dea2f43bb82a8Douglas Gregor if (DS.getTypeSpecComplex() == DeclSpec::TSC_complex) { 870711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (S.getLangOptions().Freestanding) 871711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DS.getTypeSpecComplexLoc(), diag::ext_freestanding_complex); 872fab5b45729db4e24ba43bb94d1bce5f73106be78Chris Lattner Result = Context.getComplexType(Result); 87382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson } else if (DS.isTypeAltiVecVector()) { 87482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned typeSize = static_cast<unsigned>(Context.getTypeSize(Result)); 87582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson assert(typeSize > 0 && "type size for vector must be greater than 0 bits"); 876e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::VectorKind VecKind = VectorType::AltiVecVector; 877788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner if (DS.isTypeAltiVecPixel()) 878e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VecKind = VectorType::AltiVecPixel; 879788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner else if (DS.isTypeAltiVecBool()) 880e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VecKind = VectorType::AltiVecBool; 881e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson Result = Context.getVectorType(Result, 128/typeSize, VecKind); 882f244cd7e54753caf6edb76df430dea2f43bb82a8Douglas Gregor } 8831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88447423bdaa06a3b9c2a859b57c17fc570094dad1cArgyrios Kyrtzidis // FIXME: Imaginary. 88547423bdaa06a3b9c2a859b57c17fc570094dad1cArgyrios Kyrtzidis if (DS.getTypeSpecComplex() == DeclSpec::TSC_imaginary) 886711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DS.getTypeSpecComplexLoc(), diag::err_imaginary_not_supported); 8871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 888711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Before we process any type attributes, synthesize a block literal 889711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // function declarator if necessary. 890711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (declarator.getContext() == Declarator::BlockLiteralContext) 891711c52bb20d0c69063b52a99826fb7d2835501f1John McCall maybeSynthesizeBlockSignature(state, Result); 892711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 893711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Apply any type attributes from the decl spec. This may cause the 894711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // list of type attributes to be temporarily saved while the type 895711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // attributes are pushed around. 896711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (AttributeList *attrs = DS.getAttributes().getList()) 897711c52bb20d0c69063b52a99826fb7d2835501f1John McCall processTypeAttrs(state, Result, true, attrs); 8981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89996b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner // Apply const/volatile/restrict qualifiers to T. 90096b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner if (unsigned TypeQuals = DS.getTypeQualifiers()) { 90196b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner 90296b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner // Enforce C99 6.7.3p2: "Types other than pointer types derived from object 90396b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner // or incomplete types shall not be restrict-qualified." C++ also allows 90496b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner // restrict-qualified references. 9050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (TypeQuals & DeclSpec::TQ_restrict) { 9062b5ff1a1471819192ae805b51b888030ecb52914Fariborz Jahanian if (Result->isAnyPointerType() || Result->isReferenceType()) { 9072b5ff1a1471819192ae805b51b888030ecb52914Fariborz Jahanian QualType EltTy; 9082b5ff1a1471819192ae805b51b888030ecb52914Fariborz Jahanian if (Result->isObjCObjectPointerType()) 9092b5ff1a1471819192ae805b51b888030ecb52914Fariborz Jahanian EltTy = Result; 9102b5ff1a1471819192ae805b51b888030ecb52914Fariborz Jahanian else 9112b5ff1a1471819192ae805b51b888030ecb52914Fariborz Jahanian EltTy = Result->isPointerType() ? 9122b5ff1a1471819192ae805b51b888030ecb52914Fariborz Jahanian Result->getAs<PointerType>()->getPointeeType() : 9132b5ff1a1471819192ae805b51b888030ecb52914Fariborz Jahanian Result->getAs<ReferenceType>()->getPointeeType(); 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 915bad0e656c3732e3539a9cd6525de721d7e47408bDouglas Gregor // If we have a pointer or reference, the pointee must have an object 916bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner // incomplete type. 917bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner if (!EltTy->isIncompleteOrObjectType()) { 918711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DS.getRestrictSpecLoc(), 919d3a94e24ddf3fb90de76b17bd176d9ed61e66f2cChris Lattner diag::err_typecheck_invalid_restrict_invalid_pointee) 920d162584991885ab004a02573a73ce06422b921fcChris Lattner << EltTy << DS.getSourceRange(); 9210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall TypeQuals &= ~DeclSpec::TQ_restrict; // Remove the restrict qualifier. 922bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner } 923bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner } else { 924711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(DS.getRestrictSpecLoc(), 925711c52bb20d0c69063b52a99826fb7d2835501f1John McCall diag::err_typecheck_invalid_restrict_not_pointer) 926d162584991885ab004a02573a73ce06422b921fcChris Lattner << Result << DS.getSourceRange(); 9270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall TypeQuals &= ~DeclSpec::TQ_restrict; // Remove the restrict qualifier. 92896b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner } 92996b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner } 9301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 93196b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner // Warn about CV qualifiers on functions: C99 6.7.3p8: "If the specification 93296b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner // of a function type includes any type qualifiers, the behavior is 93396b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner // undefined." 93496b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner if (Result->isFunctionType() && TypeQuals) { 93596b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner // Get some location to point at, either the C or V location. 93696b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner SourceLocation Loc; 9370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (TypeQuals & DeclSpec::TQ_const) 93896b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner Loc = DS.getConstSpecLoc(); 9390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else if (TypeQuals & DeclSpec::TQ_volatile) 94096b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner Loc = DS.getVolatileSpecLoc(); 9410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 9420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((TypeQuals & DeclSpec::TQ_restrict) && 9430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Has CVR quals but not C, V, or R?"); 9440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Loc = DS.getRestrictSpecLoc(); 94596b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner } 946711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(Loc, diag::warn_typecheck_function_qualifiers) 947d162584991885ab004a02573a73ce06422b921fcChris Lattner << Result << DS.getSourceRange(); 94896b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner } 9491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 950f1f9b4e5c7fd087e78f2e387c01098d49d41e784Douglas Gregor // C++ [dcl.ref]p1: 951f1f9b4e5c7fd087e78f2e387c01098d49d41e784Douglas Gregor // Cv-qualified references are ill-formed except when the 952f1f9b4e5c7fd087e78f2e387c01098d49d41e784Douglas Gregor // cv-qualifiers are introduced through the use of a typedef 953f1f9b4e5c7fd087e78f2e387c01098d49d41e784Douglas Gregor // (7.1.3) or of a template type argument (14.3), in which 954f1f9b4e5c7fd087e78f2e387c01098d49d41e784Douglas Gregor // case the cv-qualifiers are ignored. 9551a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor // FIXME: Shouldn't we be checking SCS_typedef here? 9561a51b4a11b7db25cac2134249711ecaaf9d1c0a8Douglas Gregor if (DS.getTypeSpecType() == DeclSpec::TST_typename && 957f1f9b4e5c7fd087e78f2e387c01098d49d41e784Douglas Gregor TypeQuals && Result->isReferenceType()) { 9580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall TypeQuals &= ~DeclSpec::TQ_const; 9590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall TypeQuals &= ~DeclSpec::TQ_volatile; 9601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = Qualifiers::fromCVRMask(TypeQuals); 9630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Result = Context.getQualifiedType(Result, Quals); 96496b77fc05ed4a052a9e614f72b0e83572408ce48Chris Lattner } 9650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 966f1d705c3e2276f7f5b97b8b3394b9b3068fdf25bChris Lattner return Result; 967f1d705c3e2276f7f5b97b8b3394b9b3068fdf25bChris Lattner} 968f1d705c3e2276f7f5b97b8b3394b9b3068fdf25bChris Lattner 969cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregorstatic std::string getPrintableNameForEntity(DeclarationName Entity) { 970cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor if (Entity) 971cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor return Entity.getAsString(); 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 973cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor return "type name"; 974cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor} 975cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 9762865474261a608c7873b87ba4af110d17907896dJohn McCallQualType Sema::BuildQualifiedType(QualType T, SourceLocation Loc, 9772865474261a608c7873b87ba4af110d17907896dJohn McCall Qualifiers Qs) { 9782865474261a608c7873b87ba4af110d17907896dJohn McCall // Enforce C99 6.7.3p2: "Types other than pointer types derived from 9792865474261a608c7873b87ba4af110d17907896dJohn McCall // object or incomplete types shall not be restrict-qualified." 9802865474261a608c7873b87ba4af110d17907896dJohn McCall if (Qs.hasRestrict()) { 9812865474261a608c7873b87ba4af110d17907896dJohn McCall unsigned DiagID = 0; 9822865474261a608c7873b87ba4af110d17907896dJohn McCall QualType ProblemTy; 9832865474261a608c7873b87ba4af110d17907896dJohn McCall 9842865474261a608c7873b87ba4af110d17907896dJohn McCall const Type *Ty = T->getCanonicalTypeInternal().getTypePtr(); 9852865474261a608c7873b87ba4af110d17907896dJohn McCall if (const ReferenceType *RTy = dyn_cast<ReferenceType>(Ty)) { 9862865474261a608c7873b87ba4af110d17907896dJohn McCall if (!RTy->getPointeeType()->isIncompleteOrObjectType()) { 9872865474261a608c7873b87ba4af110d17907896dJohn McCall DiagID = diag::err_typecheck_invalid_restrict_invalid_pointee; 9882865474261a608c7873b87ba4af110d17907896dJohn McCall ProblemTy = T->getAs<ReferenceType>()->getPointeeType(); 9892865474261a608c7873b87ba4af110d17907896dJohn McCall } 9902865474261a608c7873b87ba4af110d17907896dJohn McCall } else if (const PointerType *PTy = dyn_cast<PointerType>(Ty)) { 9912865474261a608c7873b87ba4af110d17907896dJohn McCall if (!PTy->getPointeeType()->isIncompleteOrObjectType()) { 9922865474261a608c7873b87ba4af110d17907896dJohn McCall DiagID = diag::err_typecheck_invalid_restrict_invalid_pointee; 9932865474261a608c7873b87ba4af110d17907896dJohn McCall ProblemTy = T->getAs<PointerType>()->getPointeeType(); 9942865474261a608c7873b87ba4af110d17907896dJohn McCall } 9952865474261a608c7873b87ba4af110d17907896dJohn McCall } else if (const MemberPointerType *PTy = dyn_cast<MemberPointerType>(Ty)) { 9962865474261a608c7873b87ba4af110d17907896dJohn McCall if (!PTy->getPointeeType()->isIncompleteOrObjectType()) { 9972865474261a608c7873b87ba4af110d17907896dJohn McCall DiagID = diag::err_typecheck_invalid_restrict_invalid_pointee; 9982865474261a608c7873b87ba4af110d17907896dJohn McCall ProblemTy = T->getAs<PointerType>()->getPointeeType(); 9992865474261a608c7873b87ba4af110d17907896dJohn McCall } 10002865474261a608c7873b87ba4af110d17907896dJohn McCall } else if (!Ty->isDependentType()) { 10012865474261a608c7873b87ba4af110d17907896dJohn McCall // FIXME: this deserves a proper diagnostic 10022865474261a608c7873b87ba4af110d17907896dJohn McCall DiagID = diag::err_typecheck_invalid_restrict_invalid_pointee; 10032865474261a608c7873b87ba4af110d17907896dJohn McCall ProblemTy = T; 10042865474261a608c7873b87ba4af110d17907896dJohn McCall } 10052865474261a608c7873b87ba4af110d17907896dJohn McCall 10062865474261a608c7873b87ba4af110d17907896dJohn McCall if (DiagID) { 10072865474261a608c7873b87ba4af110d17907896dJohn McCall Diag(Loc, DiagID) << ProblemTy; 10082865474261a608c7873b87ba4af110d17907896dJohn McCall Qs.removeRestrict(); 10092865474261a608c7873b87ba4af110d17907896dJohn McCall } 10102865474261a608c7873b87ba4af110d17907896dJohn McCall } 10112865474261a608c7873b87ba4af110d17907896dJohn McCall 10122865474261a608c7873b87ba4af110d17907896dJohn McCall return Context.getQualifiedType(T, Qs); 10132865474261a608c7873b87ba4af110d17907896dJohn McCall} 10142865474261a608c7873b87ba4af110d17907896dJohn McCall 1015075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// \brief Build a paren type including \p T. 1016075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType Sema::BuildParenType(QualType T) { 1017075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return Context.getParenType(T); 1018075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 1019075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1020cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \brief Build a pointer type. 1021cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1022cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param T The type to which we'll be building a pointer. 1023cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1024cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param Loc The location of the entity whose type involves this 1025cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// pointer type or, if there is no such entity, the location of the 1026cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// type that will have pointer type. 1027cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1028cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param Entity The name of the entity that involves the pointer 1029cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// type, if known. 1030cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1031cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \returns A suitable pointer type, if there are no 1032cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// errors. Otherwise, returns a NULL type. 10332865474261a608c7873b87ba4af110d17907896dJohn McCallQualType Sema::BuildPointerType(QualType T, 1034cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor SourceLocation Loc, DeclarationName Entity) { 1035cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor if (T->isReferenceType()) { 1036cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // C++ 8.3.2p4: There shall be no ... pointers to references ... 1037cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor Diag(Loc, diag::err_illegal_decl_pointer_to_reference) 1038ac406052f7b980f8caa6b07b4a8d0867d53852c4John McCall << getPrintableNameForEntity(Entity) << T; 1039cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor return QualType(); 1040cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } 1041cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 1042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(!T->isObjCObjectType() && "Should build ObjCObjectPointerType"); 104392e986e0adb79e8a47f738bd608e6c97c547641dDouglas Gregor 1044cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // Build the pointer type. 10452865474261a608c7873b87ba4af110d17907896dJohn McCall return Context.getPointerType(T); 1046cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor} 1047cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 1048cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \brief Build a reference type. 1049cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1050cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param T The type to which we'll be building a reference. 1051cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1052cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param Loc The location of the entity whose type involves this 1053cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// reference type or, if there is no such entity, the location of the 1054cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// type that will have reference type. 1055cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1056cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param Entity The name of the entity that involves the reference 1057cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// type, if known. 1058cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1059cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \returns A suitable reference type, if there are no 1060cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// errors. Otherwise, returns a NULL type. 106154e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType Sema::BuildReferenceType(QualType T, bool SpelledAsLValue, 10622865474261a608c7873b87ba4af110d17907896dJohn McCall SourceLocation Loc, 106354e14c4db764c0636160d26c5bbf491637c83a76John McCall DeclarationName Entity) { 10649625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(Context.getCanonicalType(T) != Context.OverloadTy && 10659625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 10669625e44c0252485277a340746ed8ac950686156fDouglas Gregor 106769d831645f429d3b806d2ae220aee45ca44f8c6cDouglas Gregor // C++0x [dcl.ref]p6: 106869d831645f429d3b806d2ae220aee45ca44f8c6cDouglas Gregor // If a typedef (7.1.3), a type template-parameter (14.3.1), or a 106969d831645f429d3b806d2ae220aee45ca44f8c6cDouglas Gregor // decltype-specifier (7.1.6.2) denotes a type TR that is a reference to a 107069d831645f429d3b806d2ae220aee45ca44f8c6cDouglas Gregor // type T, an attempt to create the type "lvalue reference to cv TR" creates 107169d831645f429d3b806d2ae220aee45ca44f8c6cDouglas Gregor // the type "lvalue reference to T", while an attempt to create the type 107269d831645f429d3b806d2ae220aee45ca44f8c6cDouglas Gregor // "rvalue reference to cv TR" creates the type TR. 107354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool LValueRef = SpelledAsLValue || T->getAs<LValueReferenceType>(); 107454e14c4db764c0636160d26c5bbf491637c83a76John McCall 107554e14c4db764c0636160d26c5bbf491637c83a76John McCall // C++ [dcl.ref]p4: There shall be no references to references. 107654e14c4db764c0636160d26c5bbf491637c83a76John McCall // 107754e14c4db764c0636160d26c5bbf491637c83a76John McCall // According to C++ DR 106, references to references are only 107854e14c4db764c0636160d26c5bbf491637c83a76John McCall // diagnosed when they are written directly (e.g., "int & &"), 107954e14c4db764c0636160d26c5bbf491637c83a76John McCall // but not when they happen via a typedef: 108054e14c4db764c0636160d26c5bbf491637c83a76John McCall // 108154e14c4db764c0636160d26c5bbf491637c83a76John McCall // typedef int& intref; 108254e14c4db764c0636160d26c5bbf491637c83a76John McCall // typedef intref& intref2; 108354e14c4db764c0636160d26c5bbf491637c83a76John McCall // 108454e14c4db764c0636160d26c5bbf491637c83a76John McCall // Parser::ParseDeclaratorInternal diagnoses the case where 108554e14c4db764c0636160d26c5bbf491637c83a76John McCall // references are written directly; here, we handle the 108669d831645f429d3b806d2ae220aee45ca44f8c6cDouglas Gregor // collapsing of references-to-references as described in C++0x. 108769d831645f429d3b806d2ae220aee45ca44f8c6cDouglas Gregor // DR 106 and 540 introduce reference-collapsing into C++98/03. 1088cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 1089cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // C++ [dcl.ref]p1: 109033a3138a0862cafdd9ff1332b834454a79cd2cdcEli Friedman // A declarator that specifies the type "reference to cv void" 1091cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // is ill-formed. 1092cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor if (T->isVoidType()) { 1093cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor Diag(Loc, diag::err_reference_to_void); 1094cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor return QualType(); 1095cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } 1096cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 1097cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // Handle restrict on references. 10987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueRef) 10992865474261a608c7873b87ba4af110d17907896dJohn McCall return Context.getLValueReferenceType(T, SpelledAsLValue); 11002865474261a608c7873b87ba4af110d17907896dJohn McCall return Context.getRValueReferenceType(T); 1101cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor} 1102cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 1103cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \brief Build an array type. 1104cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1105cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param T The type of each element in the array. 1106cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1107cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param ASM C99 array size modifier (e.g., '*', 'static'). 11081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 11091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// \param ArraySize Expression describing the size of the array. 1110cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1111cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param Loc The location of the entity whose type involves this 1112cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// array type or, if there is no such entity, the location of the 1113cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// type that will have array type. 1114cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1115cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \param Entity The name of the entity that involves the array 1116cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// type, if known. 1117cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// 1118cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// \returns A suitable array type, if there are no errors. Otherwise, 1119cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor/// returns a NULL type. 1120cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas GregorQualType Sema::BuildArrayType(QualType T, ArrayType::ArraySizeModifier ASM, 1121cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor Expr *ArraySize, unsigned Quals, 11227e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets, DeclarationName Entity) { 11230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation Loc = Brackets.getBegin(); 1125923d56d436f750bc1f29db50e641078725558a1bSebastian Redl if (getLangOptions().CPlusPlus) { 1126138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor // C++ [dcl.array]p1: 1127138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor // T is called the array element type; this type shall not be a reference 1128138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor // type, the (possibly cv-qualified) type void, a function type or an 1129138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor // abstract class type. 1130138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor // 1131138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor // Note: function types are handled in the common path with C. 1132138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor if (T->isReferenceType()) { 1133138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor Diag(Loc, diag::err_illegal_decl_array_of_references) 1134138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor << getPrintableNameForEntity(Entity) << T; 1135138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor return QualType(); 1136138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor } 1137138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor 1138923d56d436f750bc1f29db50e641078725558a1bSebastian Redl if (T->isVoidType()) { 1139923d56d436f750bc1f29db50e641078725558a1bSebastian Redl Diag(Loc, diag::err_illegal_decl_array_incomplete_type) << T; 1140923d56d436f750bc1f29db50e641078725558a1bSebastian Redl return QualType(); 1141923d56d436f750bc1f29db50e641078725558a1bSebastian Redl } 1142138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor 1143138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor if (RequireNonAbstractType(Brackets.getBegin(), T, 1144138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor diag::err_array_of_abstract_type)) 1145138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor return QualType(); 1146138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor 1147923d56d436f750bc1f29db50e641078725558a1bSebastian Redl } else { 1148138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor // C99 6.7.5.2p1: If the element type is an incomplete or function type, 1149138bb2366baa3856088bae94f36f2d96b2c995b9Douglas Gregor // reject it (e.g. void ary[7], struct foo ary[7], void ary[7]()) 1150923d56d436f750bc1f29db50e641078725558a1bSebastian Redl if (RequireCompleteType(Loc, T, 1151923d56d436f750bc1f29db50e641078725558a1bSebastian Redl diag::err_illegal_decl_array_incomplete_type)) 1152923d56d436f750bc1f29db50e641078725558a1bSebastian Redl return QualType(); 1153923d56d436f750bc1f29db50e641078725558a1bSebastian Redl } 1154cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 1155cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor if (T->isFunctionType()) { 1156cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor Diag(Loc, diag::err_illegal_decl_array_of_functions) 1157ac406052f7b980f8caa6b07b4a8d0867d53852c4John McCall << getPrintableNameForEntity(Entity) << T; 1158cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor return QualType(); 1159cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 116134b41d939a1328f484511c6002ba2456db879a29Richard Smith if (T->getContainedAutoType()) { 116234b41d939a1328f484511c6002ba2456db879a29Richard Smith Diag(Loc, diag::err_illegal_decl_array_of_auto) 116334b41d939a1328f484511c6002ba2456db879a29Richard Smith << getPrintableNameForEntity(Entity) << T; 1164e7cf07d8df83e083505c7105c50b2797493008a6Anders Carlsson return QualType(); 1165e7cf07d8df83e083505c7105c50b2797493008a6Anders Carlsson } 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11676217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *EltTy = T->getAs<RecordType>()) { 1168cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // If the element type is a struct or union that contains a variadic 1169cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // array, accept it as a GNU extension: C99 6.7.2.1p2. 1170cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor if (EltTy->getDecl()->hasFlexibleArrayMember()) 1171cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor Diag(Loc, diag::ext_flexible_array_in_array) << T; 1172c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } else if (T->isObjCObjectType()) { 1173c7c11b1ba6a110f2416889cc3576fe33277b2a33Chris Lattner Diag(Loc, diag::err_objc_array_of_interfaces) << T; 1174c7c11b1ba6a110f2416889cc3576fe33277b2a33Chris Lattner return QualType(); 1175cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } 11761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11775e3c67b4bd894a926282d24b4d0cbc0e123c9f4aJohn McCall // Do lvalue-to-rvalue conversions on the array size expression. 1178429bb276991ff2dbc7c5b438828b9b7737cb15ebJohn Wiegley if (ArraySize && !ArraySize->isRValue()) { 1179429bb276991ff2dbc7c5b438828b9b7737cb15ebJohn Wiegley ExprResult Result = DefaultLvalueConversion(ArraySize); 1180429bb276991ff2dbc7c5b438828b9b7737cb15ebJohn Wiegley if (Result.isInvalid()) 1181429bb276991ff2dbc7c5b438828b9b7737cb15ebJohn Wiegley return QualType(); 1182429bb276991ff2dbc7c5b438828b9b7737cb15ebJohn Wiegley 1183429bb276991ff2dbc7c5b438828b9b7737cb15ebJohn Wiegley ArraySize = Result.take(); 1184429bb276991ff2dbc7c5b438828b9b7737cb15ebJohn Wiegley } 11855e3c67b4bd894a926282d24b4d0cbc0e123c9f4aJohn McCall 1186cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // C99 6.7.5.2p1: The size expression shall have integer type. 11875e3c67b4bd894a926282d24b4d0cbc0e123c9f4aJohn McCall // TODO: in theory, if we were insane, we could allow contextual 11885e3c67b4bd894a926282d24b4d0cbc0e123c9f4aJohn McCall // conversions to integer type here. 1189cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor if (ArraySize && !ArraySize->isTypeDependent() && 11901274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor !ArraySize->getType()->isIntegralOrUnscopedEnumerationType()) { 1191cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor Diag(ArraySize->getLocStart(), diag::err_array_size_non_int) 1192cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor << ArraySize->getType() << ArraySize->getSourceRange(); 1193cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor return QualType(); 1194cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } 11952767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor llvm::APSInt ConstVal(Context.getTypeSize(Context.getSizeType())); 1196cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor if (!ArraySize) { 1197f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman if (ASM == ArrayType::Star) 11987e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor T = Context.getVariableArrayType(T, 0, ASM, Quals, Brackets); 1199f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman else 1200f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman T = Context.getIncompleteArrayType(T, ASM, Quals); 1201ac06a0e1e3feb95c2ffd352c086882b492a65b99Douglas Gregor } else if (ArraySize->isTypeDependent() || ArraySize->isValueDependent()) { 12027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor T = Context.getDependentSizedArrayType(T, ArraySize, ASM, Quals, Brackets); 1203cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } else if (!ArraySize->isIntegerConstantExpr(ConstVal, Context) || 1204923d56d436f750bc1f29db50e641078725558a1bSebastian Redl (!T->isDependentType() && !T->isIncompleteType() && 1205923d56d436f750bc1f29db50e641078725558a1bSebastian Redl !T->isConstantSizeType())) { 1206cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // Per C99, a variable array is an array with either a non-constant 1207cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // size or an element type that has a non-constant-size 12087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor T = Context.getVariableArrayType(T, ArraySize, ASM, Quals, Brackets); 1209cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } else { 1210cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // C99 6.7.5.2p1: If the expression is a constant expression, it shall 1211cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // have a value greater than zero. 1212923d56d436f750bc1f29db50e641078725558a1bSebastian Redl if (ConstVal.isSigned() && ConstVal.isNegative()) { 1213b2b5cc0cf908d516a107d373db963f692449a8a8Chandler Carruth if (Entity) 1214b2b5cc0cf908d516a107d373db963f692449a8a8Chandler Carruth Diag(ArraySize->getLocStart(), diag::err_decl_negative_array_size) 1215b2b5cc0cf908d516a107d373db963f692449a8a8Chandler Carruth << getPrintableNameForEntity(Entity) << ArraySize->getSourceRange(); 1216b2b5cc0cf908d516a107d373db963f692449a8a8Chandler Carruth else 1217b2b5cc0cf908d516a107d373db963f692449a8a8Chandler Carruth Diag(ArraySize->getLocStart(), diag::err_typecheck_negative_array_size) 1218b2b5cc0cf908d516a107d373db963f692449a8a8Chandler Carruth << ArraySize->getSourceRange(); 1219923d56d436f750bc1f29db50e641078725558a1bSebastian Redl return QualType(); 1220923d56d436f750bc1f29db50e641078725558a1bSebastian Redl } 1221923d56d436f750bc1f29db50e641078725558a1bSebastian Redl if (ConstVal == 0) { 122202024a9f0d8e6c898de276193af604c42ee41269Douglas Gregor // GCC accepts zero sized static arrays. We allow them when 122302024a9f0d8e6c898de276193af604c42ee41269Douglas Gregor // we're not in a SFINAE context. 122402024a9f0d8e6c898de276193af604c42ee41269Douglas Gregor Diag(ArraySize->getLocStart(), 122502024a9f0d8e6c898de276193af604c42ee41269Douglas Gregor isSFINAEContext()? diag::err_typecheck_zero_array_size 122602024a9f0d8e6c898de276193af604c42ee41269Douglas Gregor : diag::ext_typecheck_zero_array_size) 1227923d56d436f750bc1f29db50e641078725558a1bSebastian Redl << ArraySize->getSourceRange(); 12282767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor } else if (!T->isDependentType() && !T->isVariablyModifiedType() && 12292767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor !T->isIncompleteType()) { 12302767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // Is the array too large? 12312767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor unsigned ActiveSizeBits 12322767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor = ConstantArrayType::getNumAddressingBits(Context, T, ConstVal); 12332767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor if (ActiveSizeBits > ConstantArrayType::getMaxSizeBits(Context)) 12342767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor Diag(ArraySize->getLocStart(), diag::err_array_too_large) 12352767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor << ConstVal.toString(10) 12362767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor << ArraySize->getSourceRange(); 12371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 12382767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 123946a617a792bfab0d9b1e057371ea3b9540802226John McCall T = Context.getConstantArrayType(T, ConstVal, ASM, Quals); 1240cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } 1241af40776922bc5c28e740adb0342faa09f35b0068David Chisnall // If this is not C99, extwarn about VLA's and C99 array size modifiers. 1242af40776922bc5c28e740adb0342faa09f35b0068David Chisnall if (!getLangOptions().C99) { 12430fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor if (T->isVariableArrayType()) { 12440fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor // Prohibit the use of non-POD types in VLAs. 1245204ce17e0cfd9bbe229627e1e5a20c3f2f587c8cDouglas Gregor if (!T->isDependentType() && 1246204ce17e0cfd9bbe229627e1e5a20c3f2f587c8cDouglas Gregor !Context.getBaseElementType(T)->isPODType()) { 12470fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor Diag(Loc, diag::err_vla_non_pod) 12480fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor << Context.getBaseElementType(T); 12490fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor return QualType(); 12500fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor } 1251a481ec4150ad203440852a2bfee0883dd26f7530Douglas Gregor // Prohibit the use of VLAs during template argument deduction. 1252a481ec4150ad203440852a2bfee0883dd26f7530Douglas Gregor else if (isSFINAEContext()) { 1253a481ec4150ad203440852a2bfee0883dd26f7530Douglas Gregor Diag(Loc, diag::err_vla_in_sfinae); 1254a481ec4150ad203440852a2bfee0883dd26f7530Douglas Gregor return QualType(); 1255a481ec4150ad203440852a2bfee0883dd26f7530Douglas Gregor } 12560fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor // Just extwarn about VLAs. 12570fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor else 12580fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor Diag(Loc, diag::ext_vla); 12590fddb97901dbe36a8253dee29961cba8e0a87cf6Douglas Gregor } else if (ASM != ArrayType::Normal || Quals != 0) 1260043cad21b78c6b02597cdc7b6ead32388e27ebc7Douglas Gregor Diag(Loc, 1261043cad21b78c6b02597cdc7b6ead32388e27ebc7Douglas Gregor getLangOptions().CPlusPlus? diag::err_c99_array_usage_cxx 1262043cad21b78c6b02597cdc7b6ead32388e27ebc7Douglas Gregor : diag::ext_c99_array_usage); 1263cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } 1264cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 1265cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor return T; 1266cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor} 12679cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 12689cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// \brief Build an ext-vector type. 12699cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// 12709cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// Run the required checks for the extended vector type. 12719ae2f076ca5ab1feb3ba95629099ec2319833701John McCallQualType Sema::BuildExtVectorType(QualType T, Expr *ArraySize, 12729cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 12739cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor // unlike gcc's vector_size attribute, we do not allow vectors to be defined 12749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor // in conjunction with complex types (pointers, arrays, functions, etc.). 12751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!T->isDependentType() && 12769cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor !T->isIntegerType() && !T->isRealFloatingType()) { 12779cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Diag(AttrLoc, diag::err_attribute_invalid_vector_type) << T; 12789cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(); 12799cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 12809cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 12819ae2f076ca5ab1feb3ba95629099ec2319833701John McCall if (!ArraySize->isTypeDependent() && !ArraySize->isValueDependent()) { 12829cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor llvm::APSInt vecSize(32); 12839ae2f076ca5ab1feb3ba95629099ec2319833701John McCall if (!ArraySize->isIntegerConstantExpr(vecSize, Context)) { 12849cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Diag(AttrLoc, diag::err_attribute_argument_not_int) 12859ae2f076ca5ab1feb3ba95629099ec2319833701John McCall << "ext_vector_type" << ArraySize->getSourceRange(); 12869cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(); 12879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 12881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // unlike gcc's vector_size attribute, the size is specified as the 12909cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor // number of elements, not the number of bytes. 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned vectorSize = static_cast<unsigned>(vecSize.getZExtValue()); 12921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor if (vectorSize == 0) { 12949cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Diag(AttrLoc, diag::err_attribute_zero_size) 12959ae2f076ca5ab1feb3ba95629099ec2319833701John McCall << ArraySize->getSourceRange(); 12969cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(); 12979cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12999cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor if (!T->isDependentType()) 13009cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return Context.getExtVectorType(T, vectorSize); 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 13021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13039ae2f076ca5ab1feb3ba95629099ec2319833701John McCall return Context.getDependentSizedExtVectorType(T, ArraySize, AttrLoc); 13049cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 13051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1306724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// \brief Build a function type. 1307724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// 1308724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// This routine checks the function type according to C++ rules and 1309724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// under the assumption that the result type and parameter types have 1310724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// just been instantiated from a template. It therefore duplicates 13112943aed177b33ae3f14273b11a7b398e5276ec62Douglas Gregor/// some of the behavior of GetTypeForDeclarator, but in a much 1312724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// simpler form that is only suitable for this narrow use case. 1313724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// 1314724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// \param T The return type of the function. 1315724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// 1316724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// \param ParamTypes The parameter types of the function. This array 1317724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// will be modified to account for adjustments to the types of the 1318724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// function parameters. 1319724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// 1320724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// \param NumParamTypes The number of parameter types in ParamTypes. 1321724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// 1322724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// \param Variadic Whether this is a variadic function type. 1323724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// 1324724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// \param Quals The cvr-qualifiers to be applied to the function type. 1325724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// 1326724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// \param Loc The location of the entity whose type involves this 1327724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// function type or, if there is no such entity, the location of the 1328724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// type that will have function type. 1329724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// 1330724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// \param Entity The name of the entity that involves the function 1331724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// type, if known. 1332724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// 1333724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// \returns A suitable function type, if there are no 1334724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor/// errors. Otherwise, returns a NULL type. 1335724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas GregorQualType Sema::BuildFunctionType(QualType T, 13361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType *ParamTypes, 1337724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor unsigned NumParamTypes, 1338724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor bool Variadic, unsigned Quals, 1339c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind RefQualifier, 1340fa869547eb1cab12d7e0c0dfa8ba594e336b9b32Eli Friedman SourceLocation Loc, DeclarationName Entity, 1341e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType::ExtInfo Info) { 1342724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor if (T->isArrayType() || T->isFunctionType()) { 134358408bc4ead86b08af56cd06fc966fd858b48b2dDouglas Gregor Diag(Loc, diag::err_func_returning_array_function) 134458408bc4ead86b08af56cd06fc966fd858b48b2dDouglas Gregor << T->isFunctionType() << T; 1345724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor return QualType(); 1346724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor } 13475291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 1348724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor bool Invalid = false; 1349724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor for (unsigned Idx = 0; Idx < NumParamTypes; ++Idx) { 13502dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor QualType ParamType = adjustParameterType(ParamTypes[Idx]); 13512dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor if (ParamType->isVoidType()) { 1352724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor Diag(Loc, diag::err_param_with_void_type); 1353724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor Invalid = true; 1354724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor } 1355cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 135654e14c4db764c0636160d26c5bbf491637c83a76John McCall ParamTypes[Idx] = ParamType; 1357724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor } 1358724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor 1359724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor if (Invalid) 1360724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor return QualType(); 1361724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor 1362e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 1363e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = Variadic; 1364e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = Quals; 1365c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor EPI.RefQualifier = RefQualifier; 1366e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = Info; 1367e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 1368e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return Context.getFunctionType(T, ParamTypes, NumParamTypes, EPI); 1369724651c3523e25fbf2f6cd0419bc3466e0afdb07Douglas Gregor} 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1371949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor/// \brief Build a member pointer type \c T Class::*. 1372949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor/// 1373949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor/// \param T the type to which the member pointer refers. 1374949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor/// \param Class the class type into which the member pointer points. 13750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// \param CVR Qualifiers applied to the member pointer type 1376949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor/// \param Loc the location where this type begins 1377949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor/// \param Entity the name of the entity that will have this member pointer type 1378949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor/// 1379949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor/// \returns a member pointer type, if successful, or a NULL type if there was 1380949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor/// an error. 13811eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType Sema::BuildMemberPointerType(QualType T, QualType Class, 13822865474261a608c7873b87ba4af110d17907896dJohn McCall SourceLocation Loc, 1383949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor DeclarationName Entity) { 1384949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor // Verify that we're not building a pointer to pointer to function with 1385949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor // exception specification. 1386949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor if (CheckDistantExceptionSpec(T)) { 1387949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor Diag(Loc, diag::err_distant_exception_spec); 1388949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor 1389949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor // FIXME: If we're doing this as part of template instantiation, 1390949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor // we should return immediately. 1391949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor 1392949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor // Build the type anyway, but use the canonical type so that the 1393949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor // exception specifiers are stripped off. 1394949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor T = Context.getCanonicalType(T); 1395949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor } 1396949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor 1397737801257f795632175517ffce4a80c62fc7bff7Sebastian Redl // C++ 8.3.3p3: A pointer to member shall not point to ... a member 1398949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor // with reference type, or "cv void." 1399949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor if (T->isReferenceType()) { 14008d4655d3b966da02fe0588767160448594cddd61Anders Carlsson Diag(Loc, diag::err_illegal_decl_mempointer_to_reference) 1401ac406052f7b980f8caa6b07b4a8d0867d53852c4John McCall << (Entity? Entity.getAsString() : "type name") << T; 1402949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor return QualType(); 1403949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor } 1404949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor 1405949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor if (T->isVoidType()) { 1406949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor Diag(Loc, diag::err_illegal_decl_mempointer_to_void) 1407949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor << (Entity? Entity.getAsString() : "type name"); 1408949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor return QualType(); 1409949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor } 1410949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor 1411949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor if (!Class->isDependentType() && !Class->isRecordType()) { 1412949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor Diag(Loc, diag::err_mempointer_in_nonclass_type) << Class; 1413949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor return QualType(); 1414949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor } 1415949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor 1416d18f9f965bcfe56edcdf9b0d8375ffaad9866b3fCharles Davis // In the Microsoft ABI, the class is allowed to be an incomplete 1417d18f9f965bcfe56edcdf9b0d8375ffaad9866b3fCharles Davis // type. In such cases, the compiler makes a worst-case assumption. 1418d18f9f965bcfe56edcdf9b0d8375ffaad9866b3fCharles Davis // We make no such assumption right now, so emit an error if the 1419d18f9f965bcfe56edcdf9b0d8375ffaad9866b3fCharles Davis // class isn't a complete type. 142020cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis if (Context.Target.getCXXABI() == CXXABI_Microsoft && 1421d18f9f965bcfe56edcdf9b0d8375ffaad9866b3fCharles Davis RequireCompleteType(Loc, Class, diag::err_incomplete_type)) 1422d18f9f965bcfe56edcdf9b0d8375ffaad9866b3fCharles Davis return QualType(); 1423d18f9f965bcfe56edcdf9b0d8375ffaad9866b3fCharles Davis 14242865474261a608c7873b87ba4af110d17907896dJohn McCall return Context.getMemberPointerType(T, Class.getTypePtr()); 1425949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor} 14261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14279a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// \brief Build a block pointer type. 14289a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// 14299a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// \param T The type to which we'll be building a block pointer. 14309a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// 14310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// \param CVR The cvr-qualifiers to be applied to the block pointer type. 14329a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// 14339a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// \param Loc The location of the entity whose type involves this 14349a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// block pointer type or, if there is no such entity, the location of the 14359a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// type that will have block pointer type. 14369a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// 14379a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// \param Entity The name of the entity that involves the block pointer 14389a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// type, if known. 14399a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// 14409a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// \returns A suitable block pointer type, if there are no 14419a917e4fac79aba20fbd25983c78396475078918Anders Carlsson/// errors. Otherwise, returns a NULL type. 14422865474261a608c7873b87ba4af110d17907896dJohn McCallQualType Sema::BuildBlockPointerType(QualType T, 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation Loc, 14449a917e4fac79aba20fbd25983c78396475078918Anders Carlsson DeclarationName Entity) { 14450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!T->isFunctionType()) { 14469a917e4fac79aba20fbd25983c78396475078918Anders Carlsson Diag(Loc, diag::err_nonfunction_block_type); 14479a917e4fac79aba20fbd25983c78396475078918Anders Carlsson return QualType(); 14489a917e4fac79aba20fbd25983c78396475078918Anders Carlsson } 14491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14502865474261a608c7873b87ba4af110d17907896dJohn McCall return Context.getBlockPointerType(T); 14519a917e4fac79aba20fbd25983c78396475078918Anders Carlsson} 14529a917e4fac79aba20fbd25983c78396475078918Anders Carlsson 1453b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCallQualType Sema::GetTypeFromParser(ParsedType Ty, TypeSourceInfo **TInfo) { 1454b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall QualType QT = Ty.get(); 14553f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor if (QT.isNull()) { 1456a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall if (TInfo) *TInfo = 0; 14573f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor return QualType(); 14583f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor } 14593f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor 1460a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = 0; 1461f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const LocInfoType *LIT = dyn_cast<LocInfoType>(QT)) { 1462e8661906d49ef6c9694a9cc845ca62a85dbc016dArgyrios Kyrtzidis QT = LIT->getType(); 1463a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall DI = LIT->getTypeSourceInfo(); 1464e8661906d49ef6c9694a9cc845ca62a85dbc016dArgyrios Kyrtzidis } 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1466a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall if (TInfo) *TInfo = DI; 1467e8661906d49ef6c9694a9cc845ca62a85dbc016dArgyrios Kyrtzidis return QT; 1468e8661906d49ef6c9694a9cc845ca62a85dbc016dArgyrios Kyrtzidis} 1469e8661906d49ef6c9694a9cc845ca62a85dbc016dArgyrios Kyrtzidis 1470d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruthstatic void DiagnoseIgnoredQualifiers(unsigned Quals, 1471d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth SourceLocation ConstQualLoc, 1472d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth SourceLocation VolatileQualLoc, 1473d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth SourceLocation RestrictQualLoc, 1474d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth Sema& S) { 1475d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth std::string QualStr; 1476d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth unsigned NumQuals = 0; 1477d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth SourceLocation Loc; 1478d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 1479d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth FixItHint ConstFixIt; 1480d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth FixItHint VolatileFixIt; 1481d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth FixItHint RestrictFixIt; 1482d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 1483a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg const SourceManager &SM = S.getSourceManager(); 1484a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg 1485d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth // FIXME: The locations here are set kind of arbitrarily. It'd be nicer to 1486d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth // find a range and grow it to encompass all the qualifiers, regardless of 1487d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth // the order in which they textually appear. 1488d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth if (Quals & Qualifiers::Const) { 1489d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth ConstFixIt = FixItHint::CreateRemoval(ConstQualLoc); 1490d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth QualStr = "const"; 1491a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg ++NumQuals; 1492a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg if (!Loc.isValid() || SM.isBeforeInTranslationUnit(ConstQualLoc, Loc)) 1493a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg Loc = ConstQualLoc; 1494d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth } 1495d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth if (Quals & Qualifiers::Volatile) { 1496d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth VolatileFixIt = FixItHint::CreateRemoval(VolatileQualLoc); 1497a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg QualStr += (NumQuals == 0 ? "volatile" : " volatile"); 1498d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth ++NumQuals; 1499a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg if (!Loc.isValid() || SM.isBeforeInTranslationUnit(VolatileQualLoc, Loc)) 1500a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg Loc = VolatileQualLoc; 1501d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth } 1502d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth if (Quals & Qualifiers::Restrict) { 1503d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth RestrictFixIt = FixItHint::CreateRemoval(RestrictQualLoc); 1504a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg QualStr += (NumQuals == 0 ? "restrict" : " restrict"); 1505d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth ++NumQuals; 1506a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg if (!Loc.isValid() || SM.isBeforeInTranslationUnit(RestrictQualLoc, Loc)) 1507a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg Loc = RestrictQualLoc; 1508d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth } 1509d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 1510d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth assert(NumQuals > 0 && "No known qualifiers?"); 1511d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 1512d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth S.Diag(Loc, diag::warn_qual_return_type) 1513a08fcb8105bf53f3640ad17f61bdcde2d8ace78aHans Wennborg << QualStr << NumQuals << ConstFixIt << VolatileFixIt << RestrictFixIt; 1514d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth} 1515d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 151698eb8a7a702b95183ed015706b1f1c66f5cb27a4Mike Stump/// GetTypeForDeclarator - Convert the type for the specified 15178ce35b095e8fca45e04c1bda14ed0548ce7536adSebastian Redl/// declarator to Type instances. 1518402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor/// 1519402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor/// If OwnedDecl is non-NULL, and this declarator's decl-specifier-seq 1520402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor/// owns the declaration of a type (e.g., the definition of a struct 1521402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor/// type), then *OwnedDecl will receive the owned declaration. 1522bf1a028246d884a540aeafa38e89be59a269b072John McCall/// 1523bf1a028246d884a540aeafa38e89be59a269b072John McCall/// The result of this call will never be null, but the associated 1524bf1a028246d884a540aeafa38e89be59a269b072John McCall/// type may be a null type if there's an unrecoverable error. 1525bf1a028246d884a540aeafa38e89be59a269b072John McCallTypeSourceInfo *Sema::GetTypeForDeclarator(Declarator &D, Scope *S, 152634b41d939a1328f484511c6002ba2456db879a29Richard Smith TagDecl **OwnedDecl, 152734b41d939a1328f484511c6002ba2456db879a29Richard Smith bool AutoAllowedInTypeName) { 1528930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor // Determine the type of the declarator. Not all forms of declarator 1529930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor // have a type. 1530930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor QualType T; 153105baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor TypeSourceInfo *ReturnTypeInfo = 0; 1532711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 1533711c52bb20d0c69063b52a99826fb7d2835501f1John McCall TypeProcessingState state(*this, D); 153404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 15358999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl // In C++0x, deallocation functions (normal and array operator delete) 15368999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl // are implicitly noexcept. 15378999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl bool ImplicitlyNoexcept = false; 15388999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl 15393f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor switch (D.getName().getKind()) { 15403f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_OperatorFunctionId: 15418999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl if (getLangOptions().CPlusPlus0x) { 15428999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl OverloadedOperatorKind OO = D.getName().OperatorFunctionId.Operator; 15438999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl if (OO == OO_Delete || OO == OO_Array_Delete) 15448999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl ImplicitlyNoexcept = true; 15458999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl } 15468999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl // Intentional fall-through. 15478999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl case UnqualifiedId::IK_Identifier: 15480486d746019f8310589b1f0d92edcc4bb3916b33Sean Hunt case UnqualifiedId::IK_LiteralOperatorId: 15493f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_TemplateId: 1550711c52bb20d0c69063b52a99826fb7d2835501f1John McCall T = ConvertDeclSpecToType(*this, state); 15515db2bb1cb0c040dcbca1b5000f091d6d225b4bfeChris Lattner 1552591bd3cb605f1f0229b4b1d8a4b8183377064ec5Douglas Gregor if (!D.isInvalidType() && D.getDeclSpec().isTypeSpecOwned()) { 1553b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TagDecl* Owned = cast<TagDecl>(D.getDeclSpec().getRepAsDecl()); 155415987970eeaa1842c29ec8797affd1c1dea05585Abramo Bagnara // Owned declaration is embedded in declarator. 155515987970eeaa1842c29ec8797affd1c1dea05585Abramo Bagnara Owned->setEmbeddedInDeclarator(true); 1556591bd3cb605f1f0229b4b1d8a4b8183377064ec5Douglas Gregor if (OwnedDecl) *OwnedDecl = Owned; 1557591bd3cb605f1f0229b4b1d8a4b8183377064ec5Douglas Gregor } 1558930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor break; 1559930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor 15603f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_ConstructorName: 15610efc2c1716be4f1c5f1343cad3b047e74861f030Douglas Gregor case UnqualifiedId::IK_ConstructorTemplateId: 15623f9a0566e6793151b99a65ab936220971cf96c1bDouglas Gregor case UnqualifiedId::IK_DestructorName: 1563930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor // Constructors and destructors don't have return types. Use 156448026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor // "void" instead. 1565930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor T = Context.VoidTy; 1566930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor break; 156748026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor 156848026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor case UnqualifiedId::IK_ConversionFunctionId: 156948026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor // The result type of a conversion function is the type that it 157048026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor // converts to. 157105baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor T = GetTypeFromParser(D.getName().ConversionFunctionId, 1572bf1a028246d884a540aeafa38e89be59a269b072John McCall &ReturnTypeInfo); 157348026d26fb58e413544874eead5491b1452e2ebfDouglas Gregor break; 1574930d8b5ecc074cca01ecd9a522a55f55f3b72396Douglas Gregor } 1575dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 1576711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (D.getAttributes()) 1577711c52bb20d0c69063b52a99826fb7d2835501f1John McCall distributeTypeAttrsFromDeclarator(state, T); 1578711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 1579e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // C++0x [dcl.spec.auto]p5: reject 'auto' if it is not in an allowed context. 15808110f04b39fd028496dd6bf9e3a78278c3e0a6adRichard Smith // In C++0x, a function declarator using 'auto' must have a trailing return 15818110f04b39fd028496dd6bf9e3a78278c3e0a6adRichard Smith // type (this is checked later) and we can skip this. In other languages 15828110f04b39fd028496dd6bf9e3a78278c3e0a6adRichard Smith // using auto, we need to check regardless. 158334b41d939a1328f484511c6002ba2456db879a29Richard Smith if (D.getDeclSpec().getTypeSpecType() == DeclSpec::TST_auto && 15848110f04b39fd028496dd6bf9e3a78278c3e0a6adRichard Smith (!getLangOptions().CPlusPlus0x || !D.isFunctionDeclarator())) { 1585baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson int Error = -1; 15861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1587baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson switch (D.getContext()) { 1588baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::KNRTypeListContext: 1589baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson assert(0 && "K&R type lists aren't allowed in C++"); 1590baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson break; 1591c05a94b7accd4035bf5d5897c434c445b22da855John McCall case Declarator::ObjCPrototypeContext: 1592baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::PrototypeContext: 1593baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson Error = 0; // Function prototype 1594baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson break; 1595baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::MemberContext: 1596baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson switch (cast<TagDecl>(CurContext)->getTagKind()) { 1597465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case TTK_Enum: assert(0 && "unhandled tag kind"); break; 1598465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case TTK_Struct: Error = 1; /* Struct member */ break; 1599465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case TTK_Union: Error = 2; /* Union member */ break; 1600465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case TTK_Class: Error = 3; /* Class member */ break; 16011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1602baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson break; 1603baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::CXXCatchContext: 1604baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson Error = 4; // Exception declaration 1605baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson break; 1606baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::TemplateParamContext: 1607baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson Error = 5; // Template parameter 1608baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson break; 1609baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::BlockLiteralContext: 161034b41d939a1328f484511c6002ba2456db879a29Richard Smith Error = 6; // Block literal 161134b41d939a1328f484511c6002ba2456db879a29Richard Smith break; 161234b41d939a1328f484511c6002ba2456db879a29Richard Smith case Declarator::TemplateTypeArgContext: 161334b41d939a1328f484511c6002ba2456db879a29Richard Smith Error = 7; // Template type argument 161434b41d939a1328f484511c6002ba2456db879a29Richard Smith break; 1615162e1c1b487352434552147967c3dd296ebee2f7Richard Smith case Declarator::AliasDeclContext: 16163e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Declarator::AliasTemplateContext: 1617162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Error = 9; // Type alias 1618162e1c1b487352434552147967c3dd296ebee2f7Richard Smith break; 161934b41d939a1328f484511c6002ba2456db879a29Richard Smith case Declarator::TypeNameContext: 162034b41d939a1328f484511c6002ba2456db879a29Richard Smith if (!AutoAllowedInTypeName) 1621162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Error = 11; // Generic 1622baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson break; 1623baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::FileContext: 1624baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::BlockContext: 1625baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::ForContext: 1626baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson case Declarator::ConditionContext: 1627baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson break; 1628baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson } 1629baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson 1630ddc83f9255834217f0559b09ff75a1c50b8ce457Richard Smith if (D.getDeclSpec().getStorageClassSpec() == DeclSpec::SCS_typedef) 1631ddc83f9255834217f0559b09ff75a1c50b8ce457Richard Smith Error = 8; 1632ddc83f9255834217f0559b09ff75a1c50b8ce457Richard Smith 16338110f04b39fd028496dd6bf9e3a78278c3e0a6adRichard Smith // In Objective-C it is an error to use 'auto' on a function declarator. 16348110f04b39fd028496dd6bf9e3a78278c3e0a6adRichard Smith if (D.isFunctionDeclarator()) 1635162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Error = 10; 16368110f04b39fd028496dd6bf9e3a78278c3e0a6adRichard Smith 1637e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // C++0x [dcl.spec.auto]p2: 'auto' is always fine if the declarator 1638e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // contains a trailing return type. That is only legal at the outermost 1639e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // level. Check all declarator chunks (outermost first) anyway, to give 1640e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // better diagnostics. 16418110f04b39fd028496dd6bf9e3a78278c3e0a6adRichard Smith if (getLangOptions().CPlusPlus0x && Error != -1) { 1642e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith for (unsigned i = 0, e = D.getNumTypeObjects(); i != e; ++i) { 1643e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith unsigned chunkIndex = e - i - 1; 1644e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith state.setCurrentChunkIndex(chunkIndex); 1645e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith DeclaratorChunk &DeclType = D.getTypeObject(chunkIndex); 1646e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith if (DeclType.Kind == DeclaratorChunk::Function) { 1647e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith const DeclaratorChunk::FunctionTypeInfo &FTI = DeclType.Fun; 1648e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith if (FTI.TrailingReturnType) { 1649e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith Error = -1; 1650e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith break; 1651e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith } 1652e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith } 1653e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith } 1654e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith } 1655e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith 1656baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson if (Error != -1) { 1657baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson Diag(D.getDeclSpec().getTypeSpecTypeLoc(), diag::err_auto_not_allowed) 1658baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson << Error; 1659baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson T = Context.IntTy; 1660baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson D.setInvalidType(true); 1661baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson } 1662baf45d31f18e6d5b3d2a33695c2af6e6cbc4ee29Anders Carlsson } 1663e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith 166434b41d939a1328f484511c6002ba2456db879a29Richard Smith if (T.isNull()) 166534b41d939a1328f484511c6002ba2456db879a29Richard Smith return Context.getNullTypeSourceInfo(); 166634b41d939a1328f484511c6002ba2456db879a29Richard Smith 1667cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor // The name we're declaring, if any. 1668cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor DeclarationName Name; 1669cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor if (D.getIdentifier()) 1670cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor Name = D.getIdentifier(); 16711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1672162e1c1b487352434552147967c3dd296ebee2f7Richard Smith // Does this declaration declare a typedef-name? 1673162e1c1b487352434552147967c3dd296ebee2f7Richard Smith bool IsTypedefName = 1674162e1c1b487352434552147967c3dd296ebee2f7Richard Smith D.getDeclSpec().getStorageClassSpec() == DeclSpec::SCS_typedef || 16753e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith D.getContext() == Declarator::AliasDeclContext || 16763e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith D.getContext() == Declarator::AliasTemplateContext; 1677162e1c1b487352434552147967c3dd296ebee2f7Richard Smith 167898eb8a7a702b95183ed015706b1f1c66f5cb27a4Mike Stump // Walk the DeclTypeInfo, building the recursive type as we go. 167998eb8a7a702b95183ed015706b1f1c66f5cb27a4Mike Stump // DeclTypeInfos are ordered from the identifier out, which is 168098eb8a7a702b95183ed015706b1f1c66f5cb27a4Mike Stump // opposite of what we want :). 16818ce35b095e8fca45e04c1bda14ed0548ce7536adSebastian Redl for (unsigned i = 0, e = D.getNumTypeObjects(); i != e; ++i) { 1682711c52bb20d0c69063b52a99826fb7d2835501f1John McCall unsigned chunkIndex = e - i - 1; 1683711c52bb20d0c69063b52a99826fb7d2835501f1John McCall state.setCurrentChunkIndex(chunkIndex); 1684711c52bb20d0c69063b52a99826fb7d2835501f1John McCall DeclaratorChunk &DeclType = D.getTypeObject(chunkIndex); 16855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer switch (DeclType.Kind) { 16865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer default: assert(0 && "Unknown decltype!"); 1687075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case DeclaratorChunk::Paren: 1688075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = BuildParenType(T); 1689075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara break; 16905618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff case DeclaratorChunk::BlockPointer: 16919af5500f3f132f9a2f9abbe82113a7c7bb751472Chris Lattner // If blocks are disabled, emit an error. 16929af5500f3f132f9a2f9abbe82113a7c7bb751472Chris Lattner if (!LangOpts.Blocks) 16939af5500f3f132f9a2f9abbe82113a7c7bb751472Chris Lattner Diag(DeclType.Loc, diag::err_blocks_disable); 16941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16952865474261a608c7873b87ba4af110d17907896dJohn McCall T = BuildBlockPointerType(T, D.getIdentifierLoc(), Name); 16962865474261a608c7873b87ba4af110d17907896dJohn McCall if (DeclType.Cls.TypeQuals) 16972865474261a608c7873b87ba4af110d17907896dJohn McCall T = BuildQualifiedType(T, DeclType.Loc, DeclType.Cls.TypeQuals); 16985618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff break; 16995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case DeclaratorChunk::Pointer: 17006a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl // Verify that we're not building a pointer to pointer to function with 17016a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl // exception specification. 17026a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl if (getLangOptions().CPlusPlus && CheckDistantExceptionSpec(T)) { 17036a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl Diag(D.getIdentifierLoc(), diag::err_distant_exception_spec); 17046a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl D.setInvalidType(true); 17056a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl // Build the type anyway. 17066a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl } 1707c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (getLangOptions().ObjC1 && T->getAs<ObjCObjectType>()) { 1708c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = Context.getObjCObjectPointerType(T); 17092865474261a608c7873b87ba4af110d17907896dJohn McCall if (DeclType.Ptr.TypeQuals) 17102865474261a608c7873b87ba4af110d17907896dJohn McCall T = BuildQualifiedType(T, DeclType.Loc, DeclType.Ptr.TypeQuals); 171114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff break; 171214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 17132865474261a608c7873b87ba4af110d17907896dJohn McCall T = BuildPointerType(T, DeclType.Loc, Name); 17142865474261a608c7873b87ba4af110d17907896dJohn McCall if (DeclType.Ptr.TypeQuals) 17152865474261a608c7873b87ba4af110d17907896dJohn McCall T = BuildQualifiedType(T, DeclType.Loc, DeclType.Ptr.TypeQuals); 1716711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 17175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 17180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall case DeclaratorChunk::Reference: { 17196a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl // Verify that we're not building a reference to pointer to function with 17206a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl // exception specification. 17216a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl if (getLangOptions().CPlusPlus && CheckDistantExceptionSpec(T)) { 17226a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl Diag(D.getIdentifierLoc(), diag::err_distant_exception_spec); 17236a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl D.setInvalidType(true); 17246a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl // Build the type anyway. 17256a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl } 17262865474261a608c7873b87ba4af110d17907896dJohn McCall T = BuildReferenceType(T, DeclType.Ref.LValueRef, DeclType.Loc, Name); 17272865474261a608c7873b87ba4af110d17907896dJohn McCall 17282865474261a608c7873b87ba4af110d17907896dJohn McCall Qualifiers Quals; 17292865474261a608c7873b87ba4af110d17907896dJohn McCall if (DeclType.Ref.HasRestrict) 17302865474261a608c7873b87ba4af110d17907896dJohn McCall T = BuildQualifiedType(T, DeclType.Loc, Qualifiers::Restrict); 17315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 17320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 17335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case DeclaratorChunk::Array: { 17346a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl // Verify that we're not building an array of pointers to function with 17356a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl // exception specification. 17366a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl if (getLangOptions().CPlusPlus && CheckDistantExceptionSpec(T)) { 17376a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl Diag(D.getIdentifierLoc(), diag::err_distant_exception_spec); 17386a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl D.setInvalidType(true); 17396a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl // Build the type anyway. 17406a7330c20cabf1cf1cd46f5dfc183ec3a72add66Sebastian Redl } 1741fd89bc825026e44c68a68db72d4012fd6752e70fChris Lattner DeclaratorChunk::ArrayTypeInfo &ATI = DeclType.Arr; 174294f81fd0b0f81a99d215b225c8c5616295b063f6Chris Lattner Expr *ArraySize = static_cast<Expr*>(ATI.NumElts); 17435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ArrayType::ArraySizeModifier ASM; 17445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ATI.isStar) 17455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASM = ArrayType::Star; 17465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else if (ATI.hasStatic) 17475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASM = ArrayType::Static; 17485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 17495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASM = ArrayType::Normal; 1750c05a94b7accd4035bf5d5897c434c445b22da855John McCall if (ASM == ArrayType::Star && !D.isPrototypeContext()) { 1751f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman // FIXME: This check isn't quite right: it allows star in prototypes 1752f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman // for function definitions, and disallows some edge cases detailed 1753f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman // in http://gcc.gnu.org/ml/gcc-patches/2009-02/msg00133.html 1754f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman Diag(DeclType.Loc, diag::err_array_star_outside_prototype); 1755f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman ASM = ArrayType::Normal; 1756f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman D.setInvalidType(true); 1757f91f5c8a66ffd812f61819836529f8ad437f7e2bEli Friedman } 17580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T = BuildArrayType(T, ASM, ArraySize, 17590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::fromCVRMask(ATI.TypeQuals), 17607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange(DeclType.Loc, DeclType.EndLoc), Name); 17615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 17625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1763f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case DeclaratorChunk::Function: { 17645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the function declarator has a prototype (i.e. it is not () and 17655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // does not have a K&R-style identifier list), then the arguments are part 17665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // of the type, otherwise the argument list is (). 17675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const DeclaratorChunk::FunctionTypeInfo &FTI = DeclType.Fun; 17683cc9726a493d90bd8faf094986a59352fd3461cbSebastian Redl 176934b41d939a1328f484511c6002ba2456db879a29Richard Smith // Check for auto functions and trailing return type and adjust the 177034b41d939a1328f484511c6002ba2456db879a29Richard Smith // return type accordingly. 177134b41d939a1328f484511c6002ba2456db879a29Richard Smith if (!D.isInvalidType()) { 177234b41d939a1328f484511c6002ba2456db879a29Richard Smith // trailing-return-type is only required if we're declaring a function, 177334b41d939a1328f484511c6002ba2456db879a29Richard Smith // and not, for instance, a pointer to a function. 177434b41d939a1328f484511c6002ba2456db879a29Richard Smith if (D.getDeclSpec().getTypeSpecType() == DeclSpec::TST_auto && 177534b41d939a1328f484511c6002ba2456db879a29Richard Smith !FTI.TrailingReturnType && chunkIndex == 0) { 177634b41d939a1328f484511c6002ba2456db879a29Richard Smith Diag(D.getDeclSpec().getTypeSpecTypeLoc(), 177734b41d939a1328f484511c6002ba2456db879a29Richard Smith diag::err_auto_missing_trailing_return); 177834b41d939a1328f484511c6002ba2456db879a29Richard Smith T = Context.IntTy; 177934b41d939a1328f484511c6002ba2456db879a29Richard Smith D.setInvalidType(true); 178034b41d939a1328f484511c6002ba2456db879a29Richard Smith } else if (FTI.TrailingReturnType) { 1781e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // T must be exactly 'auto' at this point. See CWG issue 681. 1782e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith if (isa<ParenType>(T)) { 1783e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith Diag(D.getDeclSpec().getTypeSpecTypeLoc(), 1784e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith diag::err_trailing_return_in_parens) 1785e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith << T << D.getDeclSpec().getSourceRange(); 1786e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith D.setInvalidType(true); 1787e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith } else if (T.hasQualifiers() || !isa<AutoType>(T)) { 178834b41d939a1328f484511c6002ba2456db879a29Richard Smith Diag(D.getDeclSpec().getTypeSpecTypeLoc(), 178934b41d939a1328f484511c6002ba2456db879a29Richard Smith diag::err_trailing_return_without_auto) 179034b41d939a1328f484511c6002ba2456db879a29Richard Smith << T << D.getDeclSpec().getSourceRange(); 179134b41d939a1328f484511c6002ba2456db879a29Richard Smith D.setInvalidType(true); 179234b41d939a1328f484511c6002ba2456db879a29Richard Smith } 179334b41d939a1328f484511c6002ba2456db879a29Richard Smith 179434b41d939a1328f484511c6002ba2456db879a29Richard Smith T = GetTypeFromParser( 179534b41d939a1328f484511c6002ba2456db879a29Richard Smith ParsedType::getFromOpaquePtr(FTI.TrailingReturnType), 179634b41d939a1328f484511c6002ba2456db879a29Richard Smith &ReturnTypeInfo); 179734b41d939a1328f484511c6002ba2456db879a29Richard Smith } 179834b41d939a1328f484511c6002ba2456db879a29Richard Smith } 179934b41d939a1328f484511c6002ba2456db879a29Richard Smith 1800e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // C99 6.7.5.3p1: The return type may not be a function or array type. 1801e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // For conversion functions, we'll diagnose this particular error later. 1802e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith if ((T->isArrayType() || T->isFunctionType()) && 1803e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith (D.getName().getKind() != UnqualifiedId::IK_ConversionFunctionId)) { 1804e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith unsigned diagID = diag::err_func_returning_array_function; 1805e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // Last processing chunk in block context means this function chunk 1806e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith // represents the block. 1807e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith if (chunkIndex == 0 && 1808e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith D.getContext() == Declarator::BlockLiteralContext) 1809e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith diagID = diag::err_block_returning_array_function; 1810e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith Diag(DeclType.Loc, diagID) << T->isFunctionType() << T; 1811e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith T = Context.IntTy; 1812e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith D.setInvalidType(true); 1813e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith } 1814e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith 18155291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor // cv-qualifiers on return types are pointless except when the type is a 18165291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor // class type in C++. 1817fff951371dfc309160a99d423e43a7841aeb35aaDouglas Gregor if (isa<PointerType>(T) && T.getLocalCVRQualifiers() && 18181e15394853bfae25112d9cc6b445504905e1f34aRafael Espindola (D.getName().getKind() != UnqualifiedId::IK_ConversionFunctionId) && 1819d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth (!getLangOptions().CPlusPlus || !T->isDependentType())) { 1820d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth assert(chunkIndex + 1 < e && "No DeclaratorChunk for the return type?"); 1821d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth DeclaratorChunk ReturnTypeChunk = D.getTypeObject(chunkIndex + 1); 1822d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth assert(ReturnTypeChunk.Kind == DeclaratorChunk::Pointer); 1823d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 1824d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth DeclaratorChunk::PointerTypeInfo &PTI = ReturnTypeChunk.Ptr; 1825d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 1826d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth DiagnoseIgnoredQualifiers(PTI.TypeQuals, 1827d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth SourceLocation::getFromRawEncoding(PTI.ConstQualLoc), 1828d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth SourceLocation::getFromRawEncoding(PTI.VolatileQualLoc), 1829d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth SourceLocation::getFromRawEncoding(PTI.RestrictQualLoc), 1830d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth *this); 1831d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 1832d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth } else if (T.getCVRQualifiers() && D.getDeclSpec().getTypeQualifiers() && 18335291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor (!getLangOptions().CPlusPlus || 18345291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor (!T->isDependentType() && !T->isRecordType()))) { 1835d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 1836d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth DiagnoseIgnoredQualifiers(D.getDeclSpec().getTypeQualifiers(), 1837d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth D.getDeclSpec().getConstSpecLoc(), 1838d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth D.getDeclSpec().getVolatileSpecLoc(), 1839d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth D.getDeclSpec().getRestrictSpecLoc(), 1840d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth *this); 18415291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 1842d067c07c6cbf099b25aba38bcb66f38e79d0c420Chandler Carruth 1843402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor if (getLangOptions().CPlusPlus && D.getDeclSpec().isTypeSpecOwned()) { 1844402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor // C++ [dcl.fct]p6: 1845402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor // Types shall not be defined in return or parameter types. 1846b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall TagDecl *Tag = cast<TagDecl>(D.getDeclSpec().getRepAsDecl()); 1847402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor if (Tag->isDefinition()) 1848402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor Diag(Tag->getLocation(), diag::err_type_defined_in_result_type) 1849402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor << Context.getTypeDeclType(Tag); 1850402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor } 1851402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor 18523cc9726a493d90bd8faf094986a59352fd3461cbSebastian Redl // Exception specs are not allowed in typedefs. Complain, but add it 18533cc9726a493d90bd8faf094986a59352fd3461cbSebastian Redl // anyway. 1854162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (IsTypedefName && FTI.getExceptionSpecType()) 1855162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Diag(FTI.getExceptionSpecLoc(), diag::err_exception_spec_in_typedef) 18563e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith << (D.getContext() == Declarator::AliasDeclContext || 18573e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith D.getContext() == Declarator::AliasTemplateContext); 18583cc9726a493d90bd8faf094986a59352fd3461cbSebastian Redl 18592865474261a608c7873b87ba4af110d17907896dJohn McCall if (!FTI.NumArgs && !FTI.isVariadic && !getLangOptions().CPlusPlus) { 18602865474261a608c7873b87ba4af110d17907896dJohn McCall // Simple void foo(), where the incoming T is the result type. 18612865474261a608c7873b87ba4af110d17907896dJohn McCall T = Context.getFunctionNoProtoType(T); 18622865474261a608c7873b87ba4af110d17907896dJohn McCall } else { 18632865474261a608c7873b87ba4af110d17907896dJohn McCall // We allow a zero-parameter variadic function in C if the 18642865474261a608c7873b87ba4af110d17907896dJohn McCall // function is marked with the "overloadable" attribute. Scan 18652865474261a608c7873b87ba4af110d17907896dJohn McCall // for this attribute now. 18662865474261a608c7873b87ba4af110d17907896dJohn McCall if (!FTI.NumArgs && FTI.isVariadic && !getLangOptions().CPlusPlus) { 1867965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor bool Overloadable = false; 1868965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor for (const AttributeList *Attrs = D.getAttributes(); 1869965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor Attrs; Attrs = Attrs->getNext()) { 1870965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor if (Attrs->getKind() == AttributeList::AT_overloadable) { 1871965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor Overloadable = true; 1872965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor break; 1873965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor } 1874965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor } 1875965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor 1876965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor if (!Overloadable) 1877965acbb321e94e36aa5365126eee46b97745fdbbDouglas Gregor Diag(FTI.getEllipsisLoc(), diag::err_ellipsis_first_arg); 1878c6f7345e44e079f373d6bdecaa06c7e06574dc27Argyrios Kyrtzidis } 18792865474261a608c7873b87ba4af110d17907896dJohn McCall 18802865474261a608c7873b87ba4af110d17907896dJohn McCall if (FTI.NumArgs && FTI.ArgInfo[0].Param == 0) { 1881788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner // C99 6.7.5.3p3: Reject int(x,y,z) when it's not a function 1882788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner // definition. 18832865474261a608c7873b87ba4af110d17907896dJohn McCall Diag(FTI.ArgInfo[0].IdentLoc, diag::err_ident_list_in_fn_declaration); 18842865474261a608c7873b87ba4af110d17907896dJohn McCall D.setInvalidType(true); 18852865474261a608c7873b87ba4af110d17907896dJohn McCall break; 18862865474261a608c7873b87ba4af110d17907896dJohn McCall } 18872865474261a608c7873b87ba4af110d17907896dJohn McCall 1888e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 1889e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = FTI.isVariadic; 1890e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = FTI.TypeQuals; 1891c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor EPI.RefQualifier = !FTI.hasRefQualifier()? RQ_None 1892c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor : FTI.RefQualifierIsLValueRef? RQ_LValue 1893c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor : RQ_RValue; 1894c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 18955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Otherwise, we have a function with an argument list that is 18965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // potentially variadic. 18975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> ArgTys; 18982865474261a608c7873b87ba4af110d17907896dJohn McCall ArgTys.reserve(FTI.NumArgs); 18991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = FTI.NumArgs; i != e; ++i) { 1901d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParmVarDecl *Param = cast<ParmVarDecl>(FTI.ArgInfo[i].Param); 19028123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner QualType ArgTy = Param->getType(); 190378c75fb3d275079c5fab30eeb33077958f2b0265Chris Lattner assert(!ArgTy.isNull() && "Couldn't parse type?"); 19042dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 19052dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor // Adjust the parameter type. 1906beb58cb83bd53b79b80fc6f9952efd985934cbfcDouglas Gregor assert((ArgTy == adjustParameterType(ArgTy)) && "Unadjusted type?"); 19072dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor 19085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Look for 'void'. void is allowed only as a single argument to a 19095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // function with no other parameters (C99 6.7.5.3p10). We record 191072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // int(void) as a FunctionProtoType with an empty argument list. 19112dc0e64e57b2a1786fa53a7dbd1d5c8e255eadb0Douglas Gregor if (ArgTy->isVoidType()) { 19125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this is something like 'float(int, void)', reject it. 'void' 19135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // is an incomplete type (C99 6.2.5p19) and function decls cannot 19145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // have arguments of incomplete type. 19155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (FTI.NumArgs != 1 || FTI.isVariadic) { 19165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(DeclType.Loc, diag::err_void_only_param); 19172ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner ArgTy = Context.IntTy; 19188123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner Param->setType(ArgTy); 19192ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner } else if (FTI.ArgInfo[i].Ident) { 19202ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner // Reject, but continue to parse 'int(void abc)'. 19215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Diag(FTI.ArgInfo[i].IdentLoc, 19224565d4e83cec55356fe9c75929579eacced9da36Chris Lattner diag::err_param_with_void_type); 19232ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner ArgTy = Context.IntTy; 19248123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner Param->setType(ArgTy); 19252ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner } else { 19262ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner // Reject, but continue to parse 'float(const void)'. 19270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ArgTy.hasQualifiers()) 19282ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner Diag(DeclType.Loc, diag::err_void_param_qualified); 19291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19302ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner // Do not add 'void' to the ArgTys list. 19312ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner break; 19322ff5426cd83ae02378efacdfeb70d6785eb09a30Chris Lattner } 1933eb4b7051a596560ef4a1846e3714707f44e9dc30Eli Friedman } else if (!FTI.hasPrototype) { 1934eb4b7051a596560ef4a1846e3714707f44e9dc30Eli Friedman if (ArgTy->isPromotableIntegerType()) { 1935a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman ArgTy = Context.getPromotedIntegerType(ArgTy); 1936eecf5fa12d5426637c47d7072f0c193a8d7ff68bJohn McCall Param->setKNRPromoted(true); 1937183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall } else if (const BuiltinType* BTy = ArgTy->getAs<BuiltinType>()) { 1938eecf5fa12d5426637c47d7072f0c193a8d7ff68bJohn McCall if (BTy->getKind() == BuiltinType::Float) { 1939eb4b7051a596560ef4a1846e3714707f44e9dc30Eli Friedman ArgTy = Context.DoubleTy; 1940eecf5fa12d5426637c47d7072f0c193a8d7ff68bJohn McCall Param->setKNRPromoted(true); 1941eecf5fa12d5426637c47d7072f0c193a8d7ff68bJohn McCall } 1942eb4b7051a596560ef4a1846e3714707f44e9dc30Eli Friedman } 19435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 194456a965c0f77c9e6bffd65cc8f8796442a8527381Fariborz Jahanian 194554e14c4db764c0636160d26c5bbf491637c83a76John McCall ArgTys.push_back(ArgTy); 19465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1947465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1948465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl llvm::SmallVector<QualType, 4> Exceptions; 19498b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl EPI.ExceptionSpecType = FTI.getExceptionSpecType(); 19508b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl if (FTI.getExceptionSpecType() == EST_Dynamic) { 1951e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall Exceptions.reserve(FTI.NumExceptions); 1952e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall for (unsigned ei = 0, ee = FTI.NumExceptions; ei != ee; ++ei) { 1953e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall // FIXME: Preserve type source info. 1954e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType ET = GetTypeFromParser(FTI.Exceptions[ei].Ty); 1955e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall // Check that the type is valid for an exception spec, and 1956e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall // drop it if not. 1957e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall if (!CheckSpecifiedExceptionType(ET, FTI.Exceptions[ei].Range)) 1958e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall Exceptions.push_back(ET); 1959e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 1960373920bd733b1d28fe7bf209945a62eb9248d948John McCall EPI.NumExceptions = Exceptions.size(); 1961e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Exceptions = Exceptions.data(); 19628b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl } else if (FTI.getExceptionSpecType() == EST_ComputedNoexcept) { 196360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // If an error occurred, there's no expression here. 196460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (Expr *NoexceptExpr = FTI.NoexceptExpr) { 196560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl assert((NoexceptExpr->isTypeDependent() || 196660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NoexceptExpr->getType()->getCanonicalTypeUnqualified() == 196760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Context.BoolTy) && 196860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl "Parser should have made sure that the expression is boolean"); 196960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl SourceLocation ErrLoc; 197060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl llvm::APSInt Dummy; 197160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (!NoexceptExpr->isValueDependent() && 197260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl !NoexceptExpr->isIntegerConstantExpr(Dummy, Context, &ErrLoc, 197360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /*evaluated*/false)) 197460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Diag(ErrLoc, diag::err_noexcept_needs_constant_expression) 197560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl << NoexceptExpr->getSourceRange(); 197660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else 197760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NoexceptExpr = NoexceptExpr; 197860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 19798999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl } else if (FTI.getExceptionSpecType() == EST_None && 19808999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl ImplicitlyNoexcept && chunkIndex == 0) { 19818999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl // Only the outermost chunk is marked noexcept, of course. 19828999fe1bc367b3ecc878d135c7b31e3479da56f4Sebastian Redl EPI.ExceptionSpecType = EST_BasicNoexcept; 1983ef65f06e8e440aec541442cfd73a8a836e9bc842Sebastian Redl } 1984465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1985e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall T = Context.getFunctionType(T, ArgTys.data(), ArgTys.size(), EPI); 19865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 198704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 19885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer break; 19895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1990f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case DeclaratorChunk::MemberPointer: 1991f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // The scope spec must refer to a class, or be dependent. 19927bd067635df79f6ce4b9ffee394ea6d9e86e4290Abramo Bagnara CXXScopeSpec &SS = DeclType.Mem.Scope(); 1993f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType ClsType; 19947bd067635df79f6ce4b9ffee394ea6d9e86e4290Abramo Bagnara if (SS.isInvalid()) { 1995edc287751a4b05e3b4d8ff2b38fa30c5b59a548bJeffrey Yasskin // Avoid emitting extra errors if we already errored on the scope. 1996edc287751a4b05e3b4d8ff2b38fa30c5b59a548bJeffrey Yasskin D.setInvalidType(true); 19977bd067635df79f6ce4b9ffee394ea6d9e86e4290Abramo Bagnara } else if (isDependentScopeSpecifier(SS) || 19987bd067635df79f6ce4b9ffee394ea6d9e86e4290Abramo Bagnara dyn_cast_or_null<CXXRecordDecl>(computeDeclContext(SS))) { 19991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NestedNameSpecifier *NNS 20007bd067635df79f6ce4b9ffee394ea6d9e86e4290Abramo Bagnara = static_cast<NestedNameSpecifier*>(SS.getScopeRep()); 200187c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor NestedNameSpecifier *NNSPrefix = NNS->getPrefix(); 200287c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor switch (NNS->getKind()) { 200387c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor case NestedNameSpecifier::Identifier: 20047bd067635df79f6ce4b9ffee394ea6d9e86e4290Abramo Bagnara ClsType = Context.getDependentNameType(ETK_None, NNSPrefix, 20054a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NNS->getAsIdentifier()); 200687c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor break; 200787c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor 200887c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor case NestedNameSpecifier::Namespace: 200914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 201087c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor case NestedNameSpecifier::Global: 20119f61aa9e280adea9fbf3365f0e4f6ed568c9885aJeffrey Yasskin llvm_unreachable("Nested-name-specifier must name a type"); 201287c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor break; 20137bd067635df79f6ce4b9ffee394ea6d9e86e4290Abramo Bagnara 201487c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor case NestedNameSpecifier::TypeSpec: 201587c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: 201687c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor ClsType = QualType(NNS->getAsType(), 0); 201791ce2c4484e56cdc8068cebaaf2bb42362b0e1a6Abramo Bagnara // Note: if the NNS has a prefix and ClsType is a nondependent 201891ce2c4484e56cdc8068cebaaf2bb42362b0e1a6Abramo Bagnara // TemplateSpecializationType, then the NNS prefix is NOT included 201991ce2c4484e56cdc8068cebaaf2bb42362b0e1a6Abramo Bagnara // in ClsType; hence we wrap ClsType into an ElaboratedType. 202091ce2c4484e56cdc8068cebaaf2bb42362b0e1a6Abramo Bagnara // NOTE: in particular, no wrap occurs if ClsType already is an 202191ce2c4484e56cdc8068cebaaf2bb42362b0e1a6Abramo Bagnara // Elaborated, DependentName, or DependentTemplateSpecialization. 202291ce2c4484e56cdc8068cebaaf2bb42362b0e1a6Abramo Bagnara if (NNSPrefix && isa<TemplateSpecializationType>(NNS->getAsType())) 20237bd067635df79f6ce4b9ffee394ea6d9e86e4290Abramo Bagnara ClsType = Context.getElaboratedType(ETK_None, NNSPrefix, ClsType); 202487c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor break; 202587c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor } 2026f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } else { 2027949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor Diag(DeclType.Mem.Scope().getBeginLoc(), 2028949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor diag::err_illegal_decl_mempointer_in_nonclass) 2029949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor << (D.getIdentifier() ? D.getIdentifier()->getName() : "type name") 2030949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor << DeclType.Mem.Scope().getRange(); 2031f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl D.setInvalidType(true); 2032f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2033f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2034949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor if (!ClsType.isNull()) 20352865474261a608c7873b87ba4af110d17907896dJohn McCall T = BuildMemberPointerType(T, ClsType, DeclType.Loc, D.getIdentifier()); 2036949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor if (T.isNull()) { 2037f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl T = Context.IntTy; 2038949bf69136e07fb7968d84bc21d9272ff343ffdbDouglas Gregor D.setInvalidType(true); 20392865474261a608c7873b87ba4af110d17907896dJohn McCall } else if (DeclType.Mem.TypeQuals) { 20402865474261a608c7873b87ba4af110d17907896dJohn McCall T = BuildQualifiedType(T, DeclType.Loc, DeclType.Mem.TypeQuals); 2041f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2042f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl break; 2043f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2044f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2045cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor if (T.isNull()) { 2046cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor D.setInvalidType(true); 2047cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor T = Context.IntTy; 2048cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor } 2049cd281c3ded486ced5aad29dd7c3fa22b7514c3d8Douglas Gregor 2050c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner // See if there are any attributes on this declarator chunk. 2051711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (AttributeList *attrs = const_cast<AttributeList*>(DeclType.getAttrs())) 2052711c52bb20d0c69063b52a99826fb7d2835501f1John McCall processTypeAttrs(state, T, false, attrs); 20535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2054971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 2055971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis if (getLangOptions().CPlusPlus && T->isFunctionType()) { 2056183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionProtoType *FnTy = T->getAs<FunctionProtoType>(); 2057778ed741de8ada0049b89608af0abdb5ae6e106eChris Lattner assert(FnTy && "Why oh why is there not a FunctionProtoType here?"); 2058971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 2059708f3b8e350a5c0605889a4f32b26686864495caDouglas Gregor // C++ 8.3.5p4: 2060708f3b8e350a5c0605889a4f32b26686864495caDouglas Gregor // A cv-qualifier-seq shall only be part of the function type 2061708f3b8e350a5c0605889a4f32b26686864495caDouglas Gregor // for a nonstatic member function, the function type to which a pointer 2062708f3b8e350a5c0605889a4f32b26686864495caDouglas Gregor // to member refers, or the top-level function type of a function typedef 2063708f3b8e350a5c0605889a4f32b26686864495caDouglas Gregor // declaration. 2064683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor // 2065683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor // Core issue 547 also allows cv-qualifiers on function types that are 2066683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor // top-level template type arguments. 2067613ef3d4c144f8c35224daf28a187426d2044aeeJohn McCall bool FreeFunction; 2068613ef3d4c144f8c35224daf28a187426d2044aeeJohn McCall if (!D.getCXXScopeSpec().isSet()) { 2069613ef3d4c144f8c35224daf28a187426d2044aeeJohn McCall FreeFunction = (D.getContext() != Declarator::MemberContext || 2070613ef3d4c144f8c35224daf28a187426d2044aeeJohn McCall D.getDeclSpec().isFriendSpecified()); 2071613ef3d4c144f8c35224daf28a187426d2044aeeJohn McCall } else { 2072613ef3d4c144f8c35224daf28a187426d2044aeeJohn McCall DeclContext *DC = computeDeclContext(D.getCXXScopeSpec()); 2073613ef3d4c144f8c35224daf28a187426d2044aeeJohn McCall FreeFunction = (DC && !DC->isRecord()); 2074613ef3d4c144f8c35224daf28a187426d2044aeeJohn McCall } 2075613ef3d4c144f8c35224daf28a187426d2044aeeJohn McCall 2076c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor // C++0x [dcl.fct]p6: 2077c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor // A ref-qualifier shall only be part of the function type for a 2078c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor // non-static member function, the function type to which a pointer to 2079c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor // member refers, or the top-level function type of a function typedef 2080c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor // declaration. 2081c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor if ((FnTy->getTypeQuals() != 0 || FnTy->getRefQualifier()) && 2082683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor !(D.getContext() == Declarator::TemplateTypeArgContext && 2083162e1c1b487352434552147967c3dd296ebee2f7Richard Smith !D.isFunctionDeclarator()) && !IsTypedefName && 2084c61bb2056148891375bfa591fa2859b9b6ec2734Sebastian Redl (FreeFunction || 2085971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis D.getDeclSpec().getStorageClassSpec() == DeclSpec::SCS_static)) { 2086683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor if (D.getContext() == Declarator::TemplateTypeArgContext) { 2087683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor // Accept qualified function types as template type arguments as a GNU 2088683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor // extension. This is also the subject of C++ core issue 547. 2089683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor std::string Quals; 2090683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor if (FnTy->getTypeQuals() != 0) 2091683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Quals = Qualifiers::fromCVRMask(FnTy->getTypeQuals()).getAsString(); 2092683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor 2093683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor switch (FnTy->getRefQualifier()) { 2094683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor case RQ_None: 2095683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor break; 2096683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor 2097683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor case RQ_LValue: 2098683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor if (!Quals.empty()) 2099683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Quals += ' '; 2100683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Quals += '&'; 2101683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor break; 2102c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2103683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor case RQ_RValue: 2104683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor if (!Quals.empty()) 2105683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Quals += ' '; 2106683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Quals += "&&"; 2107683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor break; 2108683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor } 2109683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor 2110683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Diag(D.getIdentifierLoc(), 2111683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor diag::ext_qualified_function_type_template_arg) 2112683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor << Quals; 2113683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor } else { 2114683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor if (FnTy->getTypeQuals() != 0) { 2115683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor if (D.isFunctionDeclarator()) 2116683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Diag(D.getIdentifierLoc(), 2117683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor diag::err_invalid_qualified_function_type); 2118683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor else 2119683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Diag(D.getIdentifierLoc(), 2120683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor diag::err_invalid_qualified_typedef_function_type_use) 2121683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor << FreeFunction; 2122683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor } 2123683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor 2124683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor if (FnTy->getRefQualifier()) { 2125683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor if (D.isFunctionDeclarator()) { 2126683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor SourceLocation Loc = D.getIdentifierLoc(); 2127683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor for (unsigned I = 0, N = D.getNumTypeObjects(); I != N; ++I) { 2128683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor const DeclaratorChunk &Chunk = D.getTypeObject(N-I-1); 2129683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor if (Chunk.Kind == DeclaratorChunk::Function && 2130683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Chunk.Fun.hasRefQualifier()) { 2131683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Loc = Chunk.Fun.getRefQualifierLoc(); 2132683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor break; 2133683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor } 2134944aa60777e6ea1015c9423107f7925f6d91f4a0Douglas Gregor } 2135944aa60777e6ea1015c9423107f7925f6d91f4a0Douglas Gregor 2136683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Diag(Loc, diag::err_invalid_ref_qualifier_function_type) 2137683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor << (FnTy->getRefQualifier() == RQ_LValue) 2138683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor << FixItHint::CreateRemoval(Loc); 2139683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor } else { 2140683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor Diag(D.getIdentifierLoc(), 2141683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor diag::err_invalid_ref_qualifier_typedef_function_type_use) 2142683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor << FreeFunction 2143683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor << (FnTy->getRefQualifier() == RQ_LValue); 2144683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor } 2145c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2146c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2147683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor // Strip the cv-qualifiers and ref-qualifiers from the type. 2148683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor FunctionProtoType::ExtProtoInfo EPI = FnTy->getExtProtoInfo(); 2149683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor EPI.TypeQuals = 0; 2150683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor EPI.RefQualifier = RQ_None; 2151c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2152683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor T = Context.getFunctionType(FnTy->getResultType(), 2153683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor FnTy->arg_type_begin(), 2154683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor FnTy->getNumArgs(), EPI); 2155683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor } 2156971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis } 2157971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis } 21581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2159711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Apply any undistributed attributes from the declarator. 2160711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!T.isNull()) 2161711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (AttributeList *attrs = D.getAttributes()) 2162711c52bb20d0c69063b52a99826fb7d2835501f1John McCall processTypeAttrs(state, T, false, attrs); 2163711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 2164711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Diagnose any ignored type attributes. 2165711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!T.isNull()) state.diagnoseIgnoredTypeAttrs(T); 2166711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 2167148f1f7936afd718bac7be95089e77673e43f16fPeter Collingbourne // C++0x [dcl.constexpr]p9: 2168148f1f7936afd718bac7be95089e77673e43f16fPeter Collingbourne // A constexpr specifier used in an object declaration declares the object 2169148f1f7936afd718bac7be95089e77673e43f16fPeter Collingbourne // as const. 2170148f1f7936afd718bac7be95089e77673e43f16fPeter Collingbourne if (D.getDeclSpec().isConstexprSpecified() && T->isObjectType()) { 2171737801257f795632175517ffce4a80c62fc7bff7Sebastian Redl T.addConst(); 2172737801257f795632175517ffce4a80c62fc7bff7Sebastian Redl } 2173737801257f795632175517ffce4a80c62fc7bff7Sebastian Redl 2174a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // If there was an ellipsis in the declarator, the declaration declares a 2175a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // parameter pack whose type may be a pack expansion type. 2176a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor if (D.hasEllipsis() && !T.isNull()) { 2177a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // C++0x [dcl.fct]p13: 2178a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // A declarator-id or abstract-declarator containing an ellipsis shall 2179a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // only be used in a parameter-declaration. Such a parameter-declaration 2180a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // is a parameter pack (14.5.3). [...] 2181a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor switch (D.getContext()) { 2182a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::PrototypeContext: 2183a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // C++0x [dcl.fct]p13: 2184a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // [...] When it is part of a parameter-declaration-clause, the 2185a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // parameter pack is a function parameter pack (14.5.3). The type T 2186a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // of the declarator-id of the function parameter pack shall contain 2187a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // a template parameter pack; each template parameter pack in T is 2188a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // expanded by the function parameter pack. 2189a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // 2190a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // We represent function parameter packs as function parameters whose 2191a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // type is a pack expansion. 2192a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor if (!T->containsUnexpandedParameterPack()) { 2193a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor Diag(D.getEllipsisLoc(), 2194a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor diag::err_function_parameter_pack_without_parameter_packs) 2195a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor << T << D.getSourceRange(); 2196a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor D.setEllipsisLoc(SourceLocation()); 2197a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor } else { 2198cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = Context.getPackExpansionType(T, llvm::Optional<unsigned>()); 2199a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor } 2200a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor break; 2201a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor 2202a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::TemplateParamContext: 2203a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // C++0x [temp.param]p15: 2204a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // If a template-parameter is a [...] is a parameter-declaration that 2205a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // declares a parameter pack (8.3.5), then the template-parameter is a 2206a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // template parameter pack (14.5.3). 2207a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // 2208a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // Note: core issue 778 clarifies that, if there are any unexpanded 2209a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // parameter packs in the type of the non-type template parameter, then 2210a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // it expands those parameter packs. 2211a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor if (T->containsUnexpandedParameterPack()) 2212cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = Context.getPackExpansionType(T, llvm::Optional<unsigned>()); 221310738d36b150aa65206890c1c845cdba076e4200Douglas Gregor else if (!getLangOptions().CPlusPlus0x) 22145ce5f5221217b64193799c2a4d5aa84432d3fba4Douglas Gregor Diag(D.getEllipsisLoc(), diag::ext_variadic_templates); 2215a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor break; 2216a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor 2217a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::FileContext: 2218a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::KNRTypeListContext: 2219c05a94b7accd4035bf5d5897c434c445b22da855John McCall case Declarator::ObjCPrototypeContext: // FIXME: special diagnostic here? 2220a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::TypeNameContext: 2221162e1c1b487352434552147967c3dd296ebee2f7Richard Smith case Declarator::AliasDeclContext: 22223e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Declarator::AliasTemplateContext: 2223a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::MemberContext: 2224a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::BlockContext: 2225a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::ForContext: 2226a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::ConditionContext: 2227a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::CXXCatchContext: 2228a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor case Declarator::BlockLiteralContext: 2229683a81f4373cf1fa9d41a751dca6f7c36125b058Douglas Gregor case Declarator::TemplateTypeArgContext: 2230a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // FIXME: We may want to allow parameter packs in block-literal contexts 2231a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // in the future. 2232a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor Diag(D.getEllipsisLoc(), diag::err_ellipsis_in_declarator_not_parameter); 2233a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor D.setEllipsisLoc(SourceLocation()); 2234a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor break; 2235a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor } 2236a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor } 2237e7397c6a1bb2b205c5fe678e26199eb26d22e38eRichard Smith 2238bf1a028246d884a540aeafa38e89be59a269b072John McCall if (T.isNull()) 2239bf1a028246d884a540aeafa38e89be59a269b072John McCall return Context.getNullTypeSourceInfo(); 2240bf1a028246d884a540aeafa38e89be59a269b072John McCall else if (D.isInvalidType()) 2241bf1a028246d884a540aeafa38e89be59a269b072John McCall return Context.getTrivialTypeSourceInfo(T); 2242bf1a028246d884a540aeafa38e89be59a269b072John McCall return GetTypeSourceInfoForDeclarator(D, T, ReturnTypeInfo); 22435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 224514aa2175416f79ef17811282afbf425f87d54ebfJohn McCall/// Map an AttributedType::Kind to an AttributeList::Kind. 224614aa2175416f79ef17811282afbf425f87d54ebfJohn McCallstatic AttributeList::Kind getAttrListKind(AttributedType::Kind kind) { 224714aa2175416f79ef17811282afbf425f87d54ebfJohn McCall switch (kind) { 224814aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_address_space: 224914aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_address_space; 225014aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_regparm: 225114aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_regparm; 225214aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_vector_size: 225314aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_vector_size; 225414aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_neon_vector_type: 225514aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_neon_vector_type; 225614aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_neon_polyvector_type: 225714aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_neon_polyvector_type; 225814aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_objc_gc: 225914aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_objc_gc; 226014aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_noreturn: 226114aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_noreturn; 226214aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_cdecl: 226314aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_cdecl; 226414aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_fastcall: 226514aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_fastcall; 226614aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_stdcall: 226714aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_stdcall; 226814aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_thiscall: 226914aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_thiscall; 227014aa2175416f79ef17811282afbf425f87d54ebfJohn McCall case AttributedType::attr_pascal: 227114aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::AT_pascal; 2272414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov case AttributedType::attr_pcs: 2273414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov return AttributeList::AT_pcs; 227414aa2175416f79ef17811282afbf425f87d54ebfJohn McCall } 227514aa2175416f79ef17811282afbf425f87d54ebfJohn McCall llvm_unreachable("unexpected attribute kind!"); 227614aa2175416f79ef17811282afbf425f87d54ebfJohn McCall return AttributeList::Kind(); 227714aa2175416f79ef17811282afbf425f87d54ebfJohn McCall} 227814aa2175416f79ef17811282afbf425f87d54ebfJohn McCall 227914aa2175416f79ef17811282afbf425f87d54ebfJohn McCallstatic void fillAttributedTypeLoc(AttributedTypeLoc TL, 228014aa2175416f79ef17811282afbf425f87d54ebfJohn McCall const AttributeList *attrs) { 228114aa2175416f79ef17811282afbf425f87d54ebfJohn McCall AttributedType::Kind kind = TL.getAttrKind(); 228214aa2175416f79ef17811282afbf425f87d54ebfJohn McCall 228314aa2175416f79ef17811282afbf425f87d54ebfJohn McCall assert(attrs && "no type attributes in the expected location!"); 228414aa2175416f79ef17811282afbf425f87d54ebfJohn McCall AttributeList::Kind parsedKind = getAttrListKind(kind); 228514aa2175416f79ef17811282afbf425f87d54ebfJohn McCall while (attrs->getKind() != parsedKind) { 228614aa2175416f79ef17811282afbf425f87d54ebfJohn McCall attrs = attrs->getNext(); 228714aa2175416f79ef17811282afbf425f87d54ebfJohn McCall assert(attrs && "no matching attribute in expected location!"); 228814aa2175416f79ef17811282afbf425f87d54ebfJohn McCall } 228914aa2175416f79ef17811282afbf425f87d54ebfJohn McCall 229014aa2175416f79ef17811282afbf425f87d54ebfJohn McCall TL.setAttrNameLoc(attrs->getLoc()); 229114aa2175416f79ef17811282afbf425f87d54ebfJohn McCall if (TL.hasAttrExprOperand()) 229214aa2175416f79ef17811282afbf425f87d54ebfJohn McCall TL.setAttrExprOperand(attrs->getArg(0)); 229314aa2175416f79ef17811282afbf425f87d54ebfJohn McCall else if (TL.hasAttrEnumOperand()) 229414aa2175416f79ef17811282afbf425f87d54ebfJohn McCall TL.setAttrEnumOperandLoc(attrs->getParameterLoc()); 229514aa2175416f79ef17811282afbf425f87d54ebfJohn McCall 229614aa2175416f79ef17811282afbf425f87d54ebfJohn McCall // FIXME: preserve this information to here. 229714aa2175416f79ef17811282afbf425f87d54ebfJohn McCall if (TL.hasAttrOperand()) 229814aa2175416f79ef17811282afbf425f87d54ebfJohn McCall TL.setAttrOperandParensRange(SourceRange()); 229914aa2175416f79ef17811282afbf425f87d54ebfJohn McCall} 230014aa2175416f79ef17811282afbf425f87d54ebfJohn McCall 230151bd803fbdade51d674598ed45da3d54190a656cJohn McCallnamespace { 230251bd803fbdade51d674598ed45da3d54190a656cJohn McCall class TypeSpecLocFiller : public TypeLocVisitor<TypeSpecLocFiller> { 2303c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor ASTContext &Context; 230451bd803fbdade51d674598ed45da3d54190a656cJohn McCall const DeclSpec &DS; 2305f352bddf015e537350416c296dd2963524f554f9Argyrios Kyrtzidis 230651bd803fbdade51d674598ed45da3d54190a656cJohn McCall public: 2307c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor TypeSpecLocFiller(ASTContext &Context, const DeclSpec &DS) 2308c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor : Context(Context), DS(DS) {} 2309f352bddf015e537350416c296dd2963524f554f9Argyrios Kyrtzidis 231014aa2175416f79ef17811282afbf425f87d54ebfJohn McCall void VisitAttributedTypeLoc(AttributedTypeLoc TL) { 231114aa2175416f79ef17811282afbf425f87d54ebfJohn McCall fillAttributedTypeLoc(TL, DS.getAttributes().getList()); 231214aa2175416f79ef17811282afbf425f87d54ebfJohn McCall Visit(TL.getModifiedLoc()); 231314aa2175416f79ef17811282afbf425f87d54ebfJohn McCall } 231451bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitQualifiedTypeLoc(QualifiedTypeLoc TL) { 231551bd803fbdade51d674598ed45da3d54190a656cJohn McCall Visit(TL.getUnqualifiedLoc()); 231651bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 231751bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitTypedefTypeLoc(TypedefTypeLoc TL) { 231851bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setNameLoc(DS.getTypeSpecTypeLoc()); 231951bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 232051bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) { 232151bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setNameLoc(DS.getTypeSpecTypeLoc()); 2322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 2323c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) { 2324c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Handle the base type, which might not have been written explicitly. 2325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (DS.getTypeSpecType() == DeclSpec::TST_unspecified) { 2326c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall TL.setHasBaseTypeAsWritten(false); 2327c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor TL.getBaseLoc().initialize(Context, SourceLocation()); 2328c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } else { 2329c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall TL.setHasBaseTypeAsWritten(true); 2330c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Visit(TL.getBaseLoc()); 2331c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 233254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Protocol qualifiers. 233454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (DS.getProtocolQualifiers()) { 233554e14c4db764c0636160d26c5bbf491637c83a76John McCall assert(TL.getNumProtocols() > 0); 233654e14c4db764c0636160d26c5bbf491637c83a76John McCall assert(TL.getNumProtocols() == DS.getNumProtocolQualifiers()); 233754e14c4db764c0636160d26c5bbf491637c83a76John McCall TL.setLAngleLoc(DS.getProtocolLAngleLoc()); 233854e14c4db764c0636160d26c5bbf491637c83a76John McCall TL.setRAngleLoc(DS.getSourceRange().getEnd()); 233954e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 0, e = DS.getNumProtocolQualifiers(); i != e; ++i) 234054e14c4db764c0636160d26c5bbf491637c83a76John McCall TL.setProtocolLoc(i, DS.getProtocolLocs()[i]); 234154e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 234254e14c4db764c0636160d26c5bbf491637c83a76John McCall assert(TL.getNumProtocols() == 0); 234354e14c4db764c0636160d26c5bbf491637c83a76John McCall TL.setLAngleLoc(SourceLocation()); 234454e14c4db764c0636160d26c5bbf491637c83a76John McCall TL.setRAngleLoc(SourceLocation()); 234554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 234651bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 234754e14c4db764c0636160d26c5bbf491637c83a76John McCall void VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) { 234854e14c4db764c0636160d26c5bbf491637c83a76John McCall TL.setStarLoc(SourceLocation()); 2349c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Visit(TL.getPointeeLoc()); 235051bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 2351833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall void VisitTemplateSpecializationTypeLoc(TemplateSpecializationTypeLoc TL) { 2352a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 0; 2353b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Sema::GetTypeFromParser(DS.getRepAsType(), &TInfo); 2354833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2355833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall // If we got no declarator info from previous Sema routines, 2356833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall // just fill with the typespec loc. 2357a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall if (!TInfo) { 23580daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara TL.initialize(Context, DS.getTypeSpecTypeNameLoc()); 2359833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return; 2360833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall } 2361833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2362e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TypeLoc OldTL = TInfo->getTypeLoc(); 2363e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara if (TInfo->getType()->getAs<ElaboratedType>()) { 2364e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara ElaboratedTypeLoc ElabTL = cast<ElaboratedTypeLoc>(OldTL); 2365e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TemplateSpecializationTypeLoc NamedTL = 2366e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara cast<TemplateSpecializationTypeLoc>(ElabTL.getNamedTypeLoc()); 2367e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TL.copy(NamedTL); 2368e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara } 2369e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara else 2370e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TL.copy(cast<TemplateSpecializationTypeLoc>(OldTL)); 2371833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall } 2372cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall void VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) { 2373cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall assert(DS.getTypeSpecType() == DeclSpec::TST_typeofExpr); 2374cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall TL.setTypeofLoc(DS.getTypeSpecTypeLoc()); 2375cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall TL.setParensRange(DS.getTypeofParensRange()); 2376cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall } 2377cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall void VisitTypeOfTypeLoc(TypeOfTypeLoc TL) { 2378cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall assert(DS.getTypeSpecType() == DeclSpec::TST_typeofType); 2379cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall TL.setTypeofLoc(DS.getTypeSpecTypeLoc()); 2380cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall TL.setParensRange(DS.getTypeofParensRange()); 2381b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall assert(DS.getRepAsType()); 2382cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall TypeSourceInfo *TInfo = 0; 2383b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Sema::GetTypeFromParser(DS.getRepAsType(), &TInfo); 2384cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall TL.setUnderlyingTInfo(TInfo); 2385cfb708c354e2f30ccc5cba9d644650f408a1ec3eJohn McCall } 2386ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt void VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) { 2387ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt // FIXME: This holds only because we only have one unary transform. 2388ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt assert(DS.getTypeSpecType() == DeclSpec::TST_underlyingType); 2389ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt TL.setKWLoc(DS.getTypeSpecTypeLoc()); 2390ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt TL.setParensRange(DS.getTypeofParensRange()); 2391ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt assert(DS.getRepAsType()); 2392ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt TypeSourceInfo *TInfo = 0; 2393ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Sema::GetTypeFromParser(DS.getRepAsType(), &TInfo); 2394ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt TL.setUnderlyingTInfo(TInfo); 2395ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 2396ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor void VisitBuiltinTypeLoc(BuiltinTypeLoc TL) { 2397ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor // By default, use the source location of the type specifier. 2398ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor TL.setBuiltinLoc(DS.getTypeSpecTypeLoc()); 2399ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor if (TL.needsExtraLocalData()) { 2400ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor // Set info for the written builtin specifiers. 2401ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor TL.getWrittenBuiltinSpecs() = DS.getWrittenBuiltinSpecs(); 2402ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor // Try to have a meaningful source location. 2403ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor if (TL.getWrittenSignSpec() != TSS_unspecified) 2404ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor // Sign spec loc overrides the others (e.g., 'unsigned long'). 2405ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor TL.setBuiltinLoc(DS.getTypeSpecSignLoc()); 2406ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor else if (TL.getWrittenWidthSpec() != TSW_unspecified) 2407ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor // Width spec loc overrides type spec loc (e.g., 'short int'). 2408ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor TL.setBuiltinLoc(DS.getTypeSpecWidthLoc()); 2409ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor } 2410ddf889a2ad2888f1dea573987bbe952d9912c1a0Douglas Gregor } 2411e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara void VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) { 2412e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara ElaboratedTypeKeyword Keyword 2413e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara = TypeWithKeyword::getKeywordForTypeSpec(DS.getTypeSpecType()); 2414253e80b019727451edb4cbcad71277fcbe05ff0eNico Weber if (DS.getTypeSpecType() == TST_typename) { 2415e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TypeSourceInfo *TInfo = 0; 2416b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Sema::GetTypeFromParser(DS.getRepAsType(), &TInfo); 2417e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara if (TInfo) { 2418e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TL.copy(cast<ElaboratedTypeLoc>(TInfo->getTypeLoc())); 2419e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara return; 2420e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara } 2421e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara } 2422e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TL.setKeywordLoc(Keyword != ETK_None 2423e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara ? DS.getTypeSpecTypeLoc() 2424e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara : SourceLocation()); 2425e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara const CXXScopeSpec& SS = DS.getTypeSpecScope(); 24269e876876afc13aa671cc11a17c19907c599b9ab9Douglas Gregor TL.setQualifierLoc(SS.getWithLocInContext(Context)); 2427e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara Visit(TL.getNextTypeLoc().getUnqualifiedLoc()); 2428e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara } 2429e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara void VisitDependentNameTypeLoc(DependentNameTypeLoc TL) { 2430e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara ElaboratedTypeKeyword Keyword 2431e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara = TypeWithKeyword::getKeywordForTypeSpec(DS.getTypeSpecType()); 2432253e80b019727451edb4cbcad71277fcbe05ff0eNico Weber if (DS.getTypeSpecType() == TST_typename) { 2433e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TypeSourceInfo *TInfo = 0; 2434b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Sema::GetTypeFromParser(DS.getRepAsType(), &TInfo); 2435e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara if (TInfo) { 2436e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TL.copy(cast<DependentNameTypeLoc>(TInfo->getTypeLoc())); 2437e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara return; 2438e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara } 2439e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara } 2440e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara TL.setKeywordLoc(Keyword != ETK_None 2441e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara ? DS.getTypeSpecTypeLoc() 2442e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara : SourceLocation()); 2443e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara const CXXScopeSpec& SS = DS.getTypeSpecScope(); 24442494dd024b392b8def58bf067cc94b51c214cf77Douglas Gregor TL.setQualifierLoc(SS.getWithLocInContext(Context)); 24450daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara TL.setNameLoc(DS.getTypeSpecTypeNameLoc()); 244633500955d731c73717af52088b7fc0e7a85681e7John McCall } 244733500955d731c73717af52088b7fc0e7a85681e7John McCall void VisitDependentTemplateSpecializationTypeLoc( 244833500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypeLoc TL) { 244933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword 245033500955d731c73717af52088b7fc0e7a85681e7John McCall = TypeWithKeyword::getKeywordForTypeSpec(DS.getTypeSpecType()); 245133500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_Typename) { 245233500955d731c73717af52088b7fc0e7a85681e7John McCall TypeSourceInfo *TInfo = 0; 2453b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall Sema::GetTypeFromParser(DS.getRepAsType(), &TInfo); 245433500955d731c73717af52088b7fc0e7a85681e7John McCall if (TInfo) { 245533500955d731c73717af52088b7fc0e7a85681e7John McCall TL.copy(cast<DependentTemplateSpecializationTypeLoc>( 245633500955d731c73717af52088b7fc0e7a85681e7John McCall TInfo->getTypeLoc())); 245733500955d731c73717af52088b7fc0e7a85681e7John McCall return; 245833500955d731c73717af52088b7fc0e7a85681e7John McCall } 245933500955d731c73717af52088b7fc0e7a85681e7John McCall } 2460c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor TL.initializeLocal(Context, SourceLocation()); 246133500955d731c73717af52088b7fc0e7a85681e7John McCall TL.setKeywordLoc(Keyword != ETK_None 246233500955d731c73717af52088b7fc0e7a85681e7John McCall ? DS.getTypeSpecTypeLoc() 246333500955d731c73717af52088b7fc0e7a85681e7John McCall : SourceLocation()); 246433500955d731c73717af52088b7fc0e7a85681e7John McCall const CXXScopeSpec& SS = DS.getTypeSpecScope(); 246594fdffa4a572fc14ac296f5f1aae9db3734c72f1Douglas Gregor TL.setQualifierLoc(SS.getWithLocInContext(Context)); 24660daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara TL.setNameLoc(DS.getTypeSpecTypeNameLoc()); 24670daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara } 24680daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara void VisitTagTypeLoc(TagTypeLoc TL) { 24690daaf32723ac78549c507c2a68a5300502703673Abramo Bagnara TL.setNameLoc(DS.getTypeSpecTypeNameLoc()); 2470e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara } 2471e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara 247251bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitTypeLoc(TypeLoc TL) { 247351bd803fbdade51d674598ed45da3d54190a656cJohn McCall // FIXME: add other typespec types and change this to an assert. 2474c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor TL.initialize(Context, DS.getTypeSpecTypeLoc()); 247551bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 247651bd803fbdade51d674598ed45da3d54190a656cJohn McCall }; 2477eb66759e9a1d7c041354d132a14674b2d948059bArgyrios Kyrtzidis 247851bd803fbdade51d674598ed45da3d54190a656cJohn McCall class DeclaratorLocFiller : public TypeLocVisitor<DeclaratorLocFiller> { 2479b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara ASTContext &Context; 248051bd803fbdade51d674598ed45da3d54190a656cJohn McCall const DeclaratorChunk &Chunk; 2481f352bddf015e537350416c296dd2963524f554f9Argyrios Kyrtzidis 248251bd803fbdade51d674598ed45da3d54190a656cJohn McCall public: 2483b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara DeclaratorLocFiller(ASTContext &Context, const DeclaratorChunk &Chunk) 2484b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara : Context(Context), Chunk(Chunk) {} 24854adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis 248651bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitQualifiedTypeLoc(QualifiedTypeLoc TL) { 24879f61aa9e280adea9fbf3365f0e4f6ed568c9885aJeffrey Yasskin llvm_unreachable("qualified type locs not expected here!"); 248851bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 24894adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis 249051bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) { 249151bd803fbdade51d674598ed45da3d54190a656cJohn McCall assert(Chunk.Kind == DeclaratorChunk::BlockPointer); 249251bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setCaretLoc(Chunk.Loc); 24934adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis } 249451bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitPointerTypeLoc(PointerTypeLoc TL) { 249551bd803fbdade51d674598ed45da3d54190a656cJohn McCall assert(Chunk.Kind == DeclaratorChunk::Pointer); 249651bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setStarLoc(Chunk.Loc); 24974adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis } 249851bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) { 249951bd803fbdade51d674598ed45da3d54190a656cJohn McCall assert(Chunk.Kind == DeclaratorChunk::Pointer); 250051bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setStarLoc(Chunk.Loc); 25014adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis } 250251bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) { 250351bd803fbdade51d674598ed45da3d54190a656cJohn McCall assert(Chunk.Kind == DeclaratorChunk::MemberPointer); 2504b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara const CXXScopeSpec& SS = Chunk.Mem.Scope(); 2505b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara NestedNameSpecifierLoc NNSLoc = SS.getWithLocInContext(Context); 2506b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara 2507b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara const Type* ClsTy = TL.getClass(); 2508b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara QualType ClsQT = QualType(ClsTy, 0); 2509b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara TypeSourceInfo *ClsTInfo = Context.CreateTypeSourceInfo(ClsQT, 0); 2510b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara // Now copy source location info into the type loc component. 2511b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara TypeLoc ClsTL = ClsTInfo->getTypeLoc(); 2512b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara switch (NNSLoc.getNestedNameSpecifier()->getKind()) { 2513b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara case NestedNameSpecifier::Identifier: 2514b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara assert(isa<DependentNameType>(ClsTy) && "Unexpected TypeLoc"); 2515b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara { 2516fd9c42ed22fb4f7f865f7d8f8848df84ddf8262cAbramo Bagnara DependentNameTypeLoc DNTLoc = cast<DependentNameTypeLoc>(ClsTL); 2517b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara DNTLoc.setKeywordLoc(SourceLocation()); 2518b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara DNTLoc.setQualifierLoc(NNSLoc.getPrefix()); 2519b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara DNTLoc.setNameLoc(NNSLoc.getLocalBeginLoc()); 2520b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara } 2521b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara break; 2522b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara 2523b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara case NestedNameSpecifier::TypeSpec: 2524b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara case NestedNameSpecifier::TypeSpecWithTemplate: 2525b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara if (isa<ElaboratedType>(ClsTy)) { 2526b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara ElaboratedTypeLoc ETLoc = *cast<ElaboratedTypeLoc>(&ClsTL); 2527b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara ETLoc.setKeywordLoc(SourceLocation()); 2528b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara ETLoc.setQualifierLoc(NNSLoc.getPrefix()); 2529b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara TypeLoc NamedTL = ETLoc.getNamedTypeLoc(); 2530b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara NamedTL.initializeFullCopy(NNSLoc.getTypeLoc()); 2531b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara } else { 2532b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara ClsTL.initializeFullCopy(NNSLoc.getTypeLoc()); 2533b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara } 2534b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara break; 2535b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara 2536b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara case NestedNameSpecifier::Namespace: 2537b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara case NestedNameSpecifier::NamespaceAlias: 2538b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara case NestedNameSpecifier::Global: 2539b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara llvm_unreachable("Nested-name-specifier must name a type"); 2540b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara break; 2541b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara } 2542b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara 2543b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara // Finally fill in MemberPointerLocInfo fields. 254451bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setStarLoc(Chunk.Loc); 2545b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara TL.setClassTInfo(ClsTInfo); 25464adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis } 254751bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) { 254851bd803fbdade51d674598ed45da3d54190a656cJohn McCall assert(Chunk.Kind == DeclaratorChunk::Reference); 254954e14c4db764c0636160d26c5bbf491637c83a76John McCall // 'Amp' is misleading: this might have been originally 255054e14c4db764c0636160d26c5bbf491637c83a76John McCall /// spelled with AmpAmp. 255151bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setAmpLoc(Chunk.Loc); 255251bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 255351bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) { 255451bd803fbdade51d674598ed45da3d54190a656cJohn McCall assert(Chunk.Kind == DeclaratorChunk::Reference); 255551bd803fbdade51d674598ed45da3d54190a656cJohn McCall assert(!Chunk.Ref.LValueRef); 255651bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setAmpAmpLoc(Chunk.Loc); 255751bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 255851bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitArrayTypeLoc(ArrayTypeLoc TL) { 255951bd803fbdade51d674598ed45da3d54190a656cJohn McCall assert(Chunk.Kind == DeclaratorChunk::Array); 256051bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setLBracketLoc(Chunk.Loc); 256151bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setRBracketLoc(Chunk.EndLoc); 256251bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL.setSizeExpr(static_cast<Expr*>(Chunk.Arr.NumElts)); 256351bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 256451bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitFunctionTypeLoc(FunctionTypeLoc TL) { 256551bd803fbdade51d674598ed45da3d54190a656cJohn McCall assert(Chunk.Kind == DeclaratorChunk::Function); 2566796aa443ab5ed036f42ef33fed629e1b4b34871bAbramo Bagnara TL.setLocalRangeBegin(Chunk.Loc); 2567796aa443ab5ed036f42ef33fed629e1b4b34871bAbramo Bagnara TL.setLocalRangeEnd(Chunk.EndLoc); 2568dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor TL.setTrailingReturn(!!Chunk.Fun.TrailingReturnType); 256951bd803fbdade51d674598ed45da3d54190a656cJohn McCall 257051bd803fbdade51d674598ed45da3d54190a656cJohn McCall const DeclaratorChunk::FunctionTypeInfo &FTI = Chunk.Fun; 257154e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 0, e = TL.getNumArgs(), tpi = 0; i != e; ++i) { 2572d226f65006733ed7f709c3174f22ce33391cb58fJohn McCall ParmVarDecl *Param = cast<ParmVarDecl>(FTI.ArgInfo[i].Param); 257354e14c4db764c0636160d26c5bbf491637c83a76John McCall TL.setArg(tpi++, Param); 25744adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis } 257551bd803fbdade51d674598ed45da3d54190a656cJohn McCall // FIXME: exception specs 25764adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis } 2577075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void VisitParenTypeLoc(ParenTypeLoc TL) { 2578075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(Chunk.Kind == DeclaratorChunk::Paren); 2579075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara TL.setLParenLoc(Chunk.Loc); 2580075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara TL.setRParenLoc(Chunk.EndLoc); 2581075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 25821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 258351bd803fbdade51d674598ed45da3d54190a656cJohn McCall void VisitTypeLoc(TypeLoc TL) { 25849f61aa9e280adea9fbf3365f0e4f6ed568c9885aJeffrey Yasskin llvm_unreachable("unsupported TypeLoc kind in declarator!"); 25854adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis } 258651bd803fbdade51d674598ed45da3d54190a656cJohn McCall }; 258751bd803fbdade51d674598ed45da3d54190a656cJohn McCall} 25884adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis 2589a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Create and instantiate a TypeSourceInfo with type source information. 259051bd803fbdade51d674598ed45da3d54190a656cJohn McCall/// 259151bd803fbdade51d674598ed45da3d54190a656cJohn McCall/// \param T QualType referring to the type as written in source code. 259205baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor/// 259305baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor/// \param ReturnTypeInfo For declarators whose return type does not show 259405baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor/// up in the normal place in the declaration specifiers (such as a C++ 259505baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor/// conversion function), this pointer will refer to a type source information 259605baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor/// for that return type. 2597a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo * 259805baacbfd67017b2724f3e0503fd23609f5d32bcDouglas GregorSema::GetTypeSourceInfoForDeclarator(Declarator &D, QualType T, 259905baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor TypeSourceInfo *ReturnTypeInfo) { 2600a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = Context.CreateTypeSourceInfo(T); 2601a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall UnqualTypeLoc CurrTL = TInfo->getTypeLoc().getUnqualifiedLoc(); 260251bd803fbdade51d674598ed45da3d54190a656cJohn McCall 2603a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor // Handle parameter packs whose type is a pack expansion. 2604a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor if (isa<PackExpansionType>(T)) { 2605a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor cast<PackExpansionTypeLoc>(CurrTL).setEllipsisLoc(D.getEllipsisLoc()); 2606a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor CurrTL = CurrTL.getNextTypeLoc().getUnqualifiedLoc(); 2607a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor } 2608a8bc8c9e9ba5bffebde00340786fe8542469c435Douglas Gregor 26098ce35b095e8fca45e04c1bda14ed0548ce7536adSebastian Redl for (unsigned i = 0, e = D.getNumTypeObjects(); i != e; ++i) { 261014aa2175416f79ef17811282afbf425f87d54ebfJohn McCall while (isa<AttributedTypeLoc>(CurrTL)) { 261114aa2175416f79ef17811282afbf425f87d54ebfJohn McCall AttributedTypeLoc TL = cast<AttributedTypeLoc>(CurrTL); 261214aa2175416f79ef17811282afbf425f87d54ebfJohn McCall fillAttributedTypeLoc(TL, D.getTypeObject(i).getAttrs()); 261314aa2175416f79ef17811282afbf425f87d54ebfJohn McCall CurrTL = TL.getNextTypeLoc().getUnqualifiedLoc(); 261414aa2175416f79ef17811282afbf425f87d54ebfJohn McCall } 261514aa2175416f79ef17811282afbf425f87d54ebfJohn McCall 2616b6ab6c1ca733fda2302a1c5066bdfc6218c89e41Abramo Bagnara DeclaratorLocFiller(Context, D.getTypeObject(i)).Visit(CurrTL); 261751bd803fbdade51d674598ed45da3d54190a656cJohn McCall CurrTL = CurrTL.getNextTypeLoc().getUnqualifiedLoc(); 26184adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis } 2619f352bddf015e537350416c296dd2963524f554f9Argyrios Kyrtzidis 2620b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall // If we have different source information for the return type, use 2621b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall // that. This really only applies to C++ conversion functions. 2622b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall if (ReturnTypeInfo) { 262305baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor TypeLoc TL = ReturnTypeInfo->getTypeLoc(); 262405baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor assert(TL.getFullDataSize() == CurrTL.getFullDataSize()); 262505baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor memcpy(CurrTL.getOpaqueData(), TL.getOpaqueData(), TL.getFullDataSize()); 2626b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall } else { 2627c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor TypeSpecLocFiller(Context, D.getDeclSpec()).Visit(CurrTL); 262805baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor } 262905baacbfd67017b2724f3e0503fd23609f5d32bcDouglas Gregor 2630a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 26314adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis} 26324adab7fcb4cb1e23622f4849f7ef7981ff169616Argyrios Kyrtzidis 2633a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Create a LocInfoType to hold the given QualType and TypeSourceInfo. 2634b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCallParsedType Sema::CreateParsedType(QualType T, TypeSourceInfo *TInfo) { 26351bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis // FIXME: LocInfoTypes are "transient", only needed for passing to/from Parser 26361bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis // and Sema during declaration parsing. Try deallocating/caching them when 26371bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis // it's appropriate, instead of allocating them and keeping them around. 2638eb0eb49ce5f5294902769702b9322e42e89e972eDouglas Gregor LocInfoType *LocT = (LocInfoType*)BumpAlloc.Allocate(sizeof(LocInfoType), 2639eb0eb49ce5f5294902769702b9322e42e89e972eDouglas Gregor TypeAlignment); 2640a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (LocT) LocInfoType(T, TInfo); 26411bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis assert(LocT->getTypeClass() != T->getTypeClass() && 26421bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis "LocInfoType's TypeClass conflicts with an existing Type class"); 2643b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return ParsedType::make(QualType(LocT, 0)); 26441bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis} 26451bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 26461bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidisvoid LocInfoType::getAsStringInternal(std::string &Str, 26471bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis const PrintingPolicy &Policy) const { 264835d44e5673e772d1cc7eab66818de8d9796b89caArgyrios Kyrtzidis assert(false && "LocInfoType leaked into the type system; an opaque TypeTy*" 264935d44e5673e772d1cc7eab66818de8d9796b89caArgyrios Kyrtzidis " was used directly instead of getting the QualType through" 265035d44e5673e772d1cc7eab66818de8d9796b89caArgyrios Kyrtzidis " GetTypeFromParser"); 26511bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis} 26521bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 2653f312b1ea179f1c44371f9ee0cd0bc006f612de11John McCallTypeResult Sema::ActOnTypeName(Scope *S, Declarator &D) { 26545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.7.6: Type names have no identifier. This is already validated by 26555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // the parser. 26565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(D.getIdentifier() == 0 && "Type name should have no identifier!"); 26571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2658402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor TagDecl *OwnedTag = 0; 2659bf1a028246d884a540aeafa38e89be59a269b072John McCall TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S, &OwnedTag); 2660bf1a028246d884a540aeafa38e89be59a269b072John McCall QualType T = TInfo->getType(); 26615153ee66d6d4fb37b02f85df38e48dc8b46660dfChris Lattner if (D.isInvalidType()) 2662809070a886684cb5b92eb0e00a6581ab1fa6b17aDouglas Gregor return true; 26635912a3544e438a92832b8c52c13f48d4f54795dcSteve Naroff 2664402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor if (getLangOptions().CPlusPlus) { 2665402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor // Check that there are no default arguments (C++ only). 26666d6eb57225b53fb627c565861d1d0e90645400d1Douglas Gregor CheckExtraCXXDefaultArguments(D); 26676d6eb57225b53fb627c565861d1d0e90645400d1Douglas Gregor 2668402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor // C++0x [dcl.type]p3: 26693e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type-specifier-seq shall not define a class or enumeration unless 26703e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // it appears in the type-id of an alias-declaration (7.1.3) that is not 26713e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // the declaration of a template-declaration. 26723e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (OwnedTag && OwnedTag->isDefinition()) { 26733e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (D.getContext() == Declarator::AliasTemplateContext) 26743e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Diag(OwnedTag->getLocation(), diag::err_type_defined_in_alias_template) 26753e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith << Context.getTypeDeclType(OwnedTag); 26763e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else if (D.getContext() != Declarator::AliasDeclContext) 26773e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Diag(OwnedTag->getLocation(), diag::err_type_defined_in_type_specifier) 26783e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith << Context.getTypeDeclType(OwnedTag); 26793e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2680402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor } 2681402abb55fc2e0cdda5fb1ac90009b1f5f6774906Douglas Gregor 2682b3d8748e797c6c2f1dc01186c8eeb3b1b5fe970cJohn McCall return CreateParsedType(T, TInfo); 26835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2685c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner 2686c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner 2687c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner//===----------------------------------------------------------------------===// 2688c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner// Type Attribute Processing 2689c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner//===----------------------------------------------------------------------===// 2690232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner 2691232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner/// HandleAddressSpaceTypeAttribute - Process an address_space attribute on the 2692c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner/// specified type. The attribute contains 1 argument, the id of the address 2693c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner/// space for the type. 26941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void HandleAddressSpaceTypeAttribute(QualType &Type, 2695c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner const AttributeList &Attr, Sema &S){ 26960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2697232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner // If this type is already address space qualified, reject it. 2698232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner // Clause 6.7.3 - Type qualifiers: "No type shall be qualified by qualifiers 2699232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner // for two or more different address spaces." 2700232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner if (Type.getAddressSpace()) { 2701c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner S.Diag(Attr.getLoc(), diag::err_attribute_address_multiple_qualifiers); 2702e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 2703c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner return; 2704232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner } 27051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2706232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner // Check the attribute arguments. 2707545dd3401e7f31c256d69cb948a45d5ca781064cChris Lattner if (Attr.getNumArgs() != 1) { 2708f3a41af4d5c98a72a1d6720bbbfd658e57ef2541Chris Lattner S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1; 2709e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 2710c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner return; 2711232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner } 2712545dd3401e7f31c256d69cb948a45d5ca781064cChris Lattner Expr *ASArgExpr = static_cast<Expr *>(Attr.getArg(0)); 2713232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner llvm::APSInt addrSpace(32); 2714ac06a0e1e3feb95c2ffd352c086882b492a65b99Douglas Gregor if (ASArgExpr->isTypeDependent() || ASArgExpr->isValueDependent() || 2715ac06a0e1e3feb95c2ffd352c086882b492a65b99Douglas Gregor !ASArgExpr->isIntegerConstantExpr(addrSpace, S.Context)) { 2716dcd5ef12488e4c7ea844327835896ca86b609a97Chris Lattner S.Diag(Attr.getLoc(), diag::err_attribute_address_space_not_int) 2717dcd5ef12488e4c7ea844327835896ca86b609a97Chris Lattner << ASArgExpr->getSourceRange(); 2718e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 2719c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner return; 2720232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner } 2721232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner 2722efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall // Bounds checking. 2723efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall if (addrSpace.isSigned()) { 2724efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall if (addrSpace.isNegative()) { 2725efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall S.Diag(Attr.getLoc(), diag::err_attribute_address_space_negative) 2726efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall << ASArgExpr->getSourceRange(); 2727e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 2728efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall return; 2729efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall } 2730efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall addrSpace.setIsSigned(false); 2731efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall } 2732efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall llvm::APSInt max(addrSpace.getBitWidth()); 27330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall max = Qualifiers::MaxAddressSpace; 2734efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall if (addrSpace > max) { 2735efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall S.Diag(Attr.getLoc(), diag::err_attribute_address_space_too_high) 27360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall << Qualifiers::MaxAddressSpace << ASArgExpr->getSourceRange(); 2737e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 2738efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall return; 2739efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall } 2740efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 27411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned ASIdx = static_cast<unsigned>(addrSpace.getZExtValue()); 2742f11284ac87daa613bc7b30db9f54bd716d123222Fariborz Jahanian Type = S.Context.getAddrSpaceQualType(Type, ASIdx); 2743c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner} 2744c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner 2745711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// handleObjCGCTypeAttr - Process the __attribute__((objc_gc)) type 2746711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// attribute on the specified type. Returns true to indicate that 2747711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// the attribute was handled, false to indicate that the type does 2748711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// not permit the attribute. 2749711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic bool handleObjCGCTypeAttr(TypeProcessingState &state, 2750711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, 2751711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType &type) { 2752711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Sema &S = state.getSema(); 2753711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 2754711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Delay if this isn't some kind of pointer. 2755711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!type->isPointerType() && 2756711c52bb20d0c69063b52a99826fb7d2835501f1John McCall !type->isObjCObjectPointerType() && 2757711c52bb20d0c69063b52a99826fb7d2835501f1John McCall !type->isBlockPointerType()) 2758711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return false; 2759711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 2760711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (type.getObjCGCAttr() != Qualifiers::GCNone) { 2761711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(attr.getLoc(), diag::err_attribute_multiple_objc_gc); 2762711c52bb20d0c69063b52a99826fb7d2835501f1John McCall attr.setInvalid(); 2763711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 2764d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian } 27651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2766d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian // Check the attribute arguments. 2767711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!attr.getParameterName()) { 2768711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(attr.getLoc(), diag::err_attribute_argument_n_not_string) 2769ba372b85524f712e5b97a176f6ce0197d365835dFariborz Jahanian << "objc_gc" << 1; 2770711c52bb20d0c69063b52a99826fb7d2835501f1John McCall attr.setInvalid(); 2771711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 2772ba372b85524f712e5b97a176f6ce0197d365835dFariborz Jahanian } 27730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr; 2774711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (attr.getNumArgs() != 0) { 2775711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1; 2776711c52bb20d0c69063b52a99826fb7d2835501f1John McCall attr.setInvalid(); 2777711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 2778d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian } 2779711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (attr.getParameterName()->isStr("weak")) 27800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttr = Qualifiers::Weak; 2781711c52bb20d0c69063b52a99826fb7d2835501f1John McCall else if (attr.getParameterName()->isStr("strong")) 27820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttr = Qualifiers::Strong; 2783d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian else { 2784711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(attr.getLoc(), diag::warn_attribute_type_not_supported) 2785711c52bb20d0c69063b52a99826fb7d2835501f1John McCall << "objc_gc" << attr.getParameterName(); 2786711c52bb20d0c69063b52a99826fb7d2835501f1John McCall attr.setInvalid(); 2787711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 2788d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian } 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 279014aa2175416f79ef17811282afbf425f87d54ebfJohn McCall QualType origType = type; 279114aa2175416f79ef17811282afbf425f87d54ebfJohn McCall type = S.Context.getObjCGCQualType(origType, GCAttr); 279214aa2175416f79ef17811282afbf425f87d54ebfJohn McCall 279314aa2175416f79ef17811282afbf425f87d54ebfJohn McCall // Make an attributed type to preserve the source information. 279414aa2175416f79ef17811282afbf425f87d54ebfJohn McCall if (attr.getLoc().isValid()) 279514aa2175416f79ef17811282afbf425f87d54ebfJohn McCall type = S.Context.getAttributedType(AttributedType::attr_objc_gc, 279614aa2175416f79ef17811282afbf425f87d54ebfJohn McCall origType, type); 279714aa2175416f79ef17811282afbf425f87d54ebfJohn McCall 2798711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 2799d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 2800d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian 2801e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallnamespace { 2802e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// A helper class to unwrap a type down to a function for the 2803e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// purposes of applying attributes there. 2804e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// 2805e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// Use: 2806e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// FunctionTypeUnwrapper unwrapped(SemaRef, T); 2807e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// if (unwrapped.isFunctionType()) { 2808e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// const FunctionType *fn = unwrapped.get(); 2809e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// // change fn somehow 2810e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// T = unwrapped.wrap(fn); 2811e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall /// } 2812e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall struct FunctionTypeUnwrapper { 2813e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall enum WrapKind { 2814e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Desugar, 2815e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Parens, 2816e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Pointer, 2817e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall BlockPointer, 2818e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Reference, 2819e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall MemberPointer 2820e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall }; 2821e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2822e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Original; 2823e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionType *Fn; 2824e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall llvm::SmallVector<unsigned char /*WrapKind*/, 8> Stack; 2825e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2826e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionTypeUnwrapper(Sema &S, QualType T) : Original(T) { 2827e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall while (true) { 2828e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const Type *Ty = T.getTypePtr(); 2829e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (isa<FunctionType>(Ty)) { 2830e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Fn = cast<FunctionType>(Ty); 2831e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return; 2832e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else if (isa<ParenType>(Ty)) { 2833e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall T = cast<ParenType>(Ty)->getInnerType(); 2834e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Stack.push_back(Parens); 2835e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else if (isa<PointerType>(Ty)) { 2836e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall T = cast<PointerType>(Ty)->getPointeeType(); 2837e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Stack.push_back(Pointer); 2838e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else if (isa<BlockPointerType>(Ty)) { 2839e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall T = cast<BlockPointerType>(Ty)->getPointeeType(); 2840e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Stack.push_back(BlockPointer); 2841e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else if (isa<MemberPointerType>(Ty)) { 2842e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall T = cast<MemberPointerType>(Ty)->getPointeeType(); 2843e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Stack.push_back(MemberPointer); 2844e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else if (isa<ReferenceType>(Ty)) { 2845e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall T = cast<ReferenceType>(Ty)->getPointeeType(); 2846e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Stack.push_back(Reference); 2847e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 2848e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const Type *DTy = Ty->getUnqualifiedDesugaredType(); 2849e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (Ty == DTy) { 2850e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Fn = 0; 2851e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return; 2852e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2853e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2854e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall T = QualType(DTy, 0); 2855e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Stack.push_back(Desugar); 2856e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2857e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2858e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2859e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2860e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall bool isFunctionType() const { return (Fn != 0); } 2861e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionType *get() const { return Fn; } 2862e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2863e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType wrap(Sema &S, const FunctionType *New) { 2864e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall // If T wasn't modified from the unwrapped type, do nothing. 2865e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (New == get()) return Original; 2866e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2867e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Fn = New; 2868e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return wrap(S.Context, Original, 0); 2869e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2870e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2871e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall private: 2872e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType wrap(ASTContext &C, QualType Old, unsigned I) { 2873e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (I == Stack.size()) 2874e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return C.getQualifiedType(Fn, Old.getQualifiers()); 2875e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2876e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall // Build up the inner type, applying the qualifiers from the old 2877e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall // type to the new type. 2878e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall SplitQualType SplitOld = Old.split(); 2879e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2880e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall // As a special case, tail-recurse if there are no qualifiers. 2881e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (SplitOld.second.empty()) 2882e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return wrap(C, SplitOld.first, I); 2883e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return C.getQualifiedType(wrap(C, SplitOld.first, I), SplitOld.second); 2884e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2885e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2886e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType wrap(ASTContext &C, const Type *Old, unsigned I) { 2887e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (I == Stack.size()) return QualType(Fn, 0); 2888e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2889e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall switch (static_cast<WrapKind>(Stack[I++])) { 2890e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall case Desugar: 2891e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall // This is the point at which we potentially lose source 2892e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall // information. 2893e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return wrap(C, Old->getUnqualifiedDesugaredType(), I); 2894e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2895e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall case Parens: { 2896e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType New = wrap(C, cast<ParenType>(Old)->getInnerType(), I); 2897e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return C.getParenType(New); 2898e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2899e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2900e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall case Pointer: { 2901e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType New = wrap(C, cast<PointerType>(Old)->getPointeeType(), I); 2902e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return C.getPointerType(New); 2903e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2904e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2905e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall case BlockPointer: { 2906e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType New = wrap(C, cast<BlockPointerType>(Old)->getPointeeType(),I); 2907e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return C.getBlockPointerType(New); 2908e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2909e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2910e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall case MemberPointer: { 2911e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const MemberPointerType *OldMPT = cast<MemberPointerType>(Old); 2912e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType New = wrap(C, OldMPT->getPointeeType(), I); 2913e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return C.getMemberPointerType(New, OldMPT->getClass()); 2914e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2915e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2916e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall case Reference: { 2917e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const ReferenceType *OldRef = cast<ReferenceType>(Old); 2918e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType New = wrap(C, OldRef->getPointeeType(), I); 2919e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (isa<LValueReferenceType>(OldRef)) 2920e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return C.getLValueReferenceType(New, OldRef->isSpelledAsLValue()); 2921e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall else 2922e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return C.getRValueReferenceType(New); 2923e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2924e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2925e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2926e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall llvm_unreachable("unknown wrapping kind"); 2927e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return QualType(); 2928e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 2929e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall }; 2930e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 2931e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2932711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// Process an individual function attribute. Returns true to 2933711c52bb20d0c69063b52a99826fb7d2835501f1John McCall/// indicate that the attribute was handled, false if it wasn't. 2934711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic bool handleFunctionTypeAttr(TypeProcessingState &state, 2935711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr, 2936711c52bb20d0c69063b52a99826fb7d2835501f1John McCall QualType &type) { 2937711c52bb20d0c69063b52a99826fb7d2835501f1John McCall Sema &S = state.getSema(); 2938e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2939711c52bb20d0c69063b52a99826fb7d2835501f1John McCall FunctionTypeUnwrapper unwrapped(S, type); 29402455636163fdd18581d7fdae816433f886d88213Mike Stump 2941711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (attr.getKind() == AttributeList::AT_noreturn) { 2942711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (S.CheckNoReturnAttr(attr)) 294304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall return true; 2944e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 2945e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall // Delay if this is not a function type. 2946711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!unwrapped.isFunctionType()) 2947711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return false; 2948425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2949425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // Otherwise we can process right away. 2950711c52bb20d0c69063b52a99826fb7d2835501f1John McCall FunctionType::ExtInfo EI = unwrapped.get()->getExtInfo().withNoReturn(true); 2951711c52bb20d0c69063b52a99826fb7d2835501f1John McCall type = unwrapped.wrap(S, S.Context.adjustFunctionType(unwrapped.get(), EI)); 2952711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 2953711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } 2954425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2955711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (attr.getKind() == AttributeList::AT_regparm) { 2956711c52bb20d0c69063b52a99826fb7d2835501f1John McCall unsigned value; 2957711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (S.CheckRegparmAttr(attr, value)) 2958711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 29591e030eb1194763b42c1752723be23b1515f48981John McCall 2960711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Delay if this is not a function type. 2961711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!unwrapped.isFunctionType()) 2962008df5dce3938456ae7ea2e7ab3b2d12391ebf3eJohn McCall return false; 29631e030eb1194763b42c1752723be23b1515f48981John McCall 2964ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis // Diagnose regparm with fastcall. 2965ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis const FunctionType *fn = unwrapped.get(); 2966ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis CallingConv CC = fn->getCallConv(); 2967ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis if (CC == CC_X86FastCall) { 2968ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis S.Diag(attr.getLoc(), diag::err_attributes_are_not_compatible) 2969ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis << FunctionType::getNameForCallConv(CC) 2970ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis << "regparm"; 2971ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis attr.setInvalid(); 2972ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis return true; 2973ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis } 2974ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis 2975e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo EI = 2976711c52bb20d0c69063b52a99826fb7d2835501f1John McCall unwrapped.get()->getExtInfo().withRegParm(value); 2977711c52bb20d0c69063b52a99826fb7d2835501f1John McCall type = unwrapped.wrap(S, S.Context.adjustFunctionType(unwrapped.get(), EI)); 2978711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 2979425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2980425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 298104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall // Otherwise, a calling convention. 2982711c52bb20d0c69063b52a99826fb7d2835501f1John McCall CallingConv CC; 2983711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (S.CheckCallingConvAttr(attr, CC)) 2984711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 2985f82b4e85b1219295cad4b5851b035575bc293010John McCall 298604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall // Delay if the type didn't work out to a function. 2987711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!unwrapped.isFunctionType()) return false; 298804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 2989711c52bb20d0c69063b52a99826fb7d2835501f1John McCall const FunctionType *fn = unwrapped.get(); 2990711c52bb20d0c69063b52a99826fb7d2835501f1John McCall CallingConv CCOld = fn->getCallConv(); 2991064f7db69def9299f5f4d9a32114afc10b6a6420Charles Davis if (S.Context.getCanonicalCallConv(CC) == 2992e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara S.Context.getCanonicalCallConv(CCOld)) { 2993ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis FunctionType::ExtInfo EI= unwrapped.get()->getExtInfo().withCallingConv(CC); 2994ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis type = unwrapped.wrap(S, S.Context.adjustFunctionType(unwrapped.get(), EI)); 2995711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 2996e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara } 299704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 299804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (CCOld != CC_Default) { 299904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall // Should we diagnose reapplications of the same convention? 3000711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(attr.getLoc(), diag::err_attributes_are_not_compatible) 300104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall << FunctionType::getNameForCallConv(CC) 300204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall << FunctionType::getNameForCallConv(CCOld); 3003711c52bb20d0c69063b52a99826fb7d2835501f1John McCall attr.setInvalid(); 3004711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 300504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall } 300604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 300704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall // Diagnose the use of X86 fastcall on varargs or unprototyped functions. 300804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (CC == CC_X86FastCall) { 3009711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (isa<FunctionNoProtoType>(fn)) { 3010711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(attr.getLoc(), diag::err_cconv_knr) 301104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall << FunctionType::getNameForCallConv(CC); 3012711c52bb20d0c69063b52a99826fb7d2835501f1John McCall attr.setInvalid(); 3013711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 301404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall } 301504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 3016711c52bb20d0c69063b52a99826fb7d2835501f1John McCall const FunctionProtoType *FnP = cast<FunctionProtoType>(fn); 301704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (FnP->isVariadic()) { 3018711c52bb20d0c69063b52a99826fb7d2835501f1John McCall S.Diag(attr.getLoc(), diag::err_cconv_varargs) 301904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall << FunctionType::getNameForCallConv(CC); 3020711c52bb20d0c69063b52a99826fb7d2835501f1John McCall attr.setInvalid(); 3021711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 302204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall } 3023ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis 3024ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis // Also diagnose fastcall with regparm. 3025a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (fn->getHasRegParm()) { 3026ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis S.Diag(attr.getLoc(), diag::err_attributes_are_not_compatible) 3027ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis << "regparm" 3028ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis << FunctionType::getNameForCallConv(CC); 3029ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis attr.setInvalid(); 3030ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis return true; 3031ce95566b36a4ff16e90507633dad8b7a76572999Argyrios Kyrtzidis } 303204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall } 3033f82b4e85b1219295cad4b5851b035575bc293010John McCall 3034711c52bb20d0c69063b52a99826fb7d2835501f1John McCall FunctionType::ExtInfo EI = unwrapped.get()->getExtInfo().withCallingConv(CC); 3035711c52bb20d0c69063b52a99826fb7d2835501f1John McCall type = unwrapped.wrap(S, S.Context.adjustFunctionType(unwrapped.get(), EI)); 3036711c52bb20d0c69063b52a99826fb7d2835501f1John McCall return true; 3037f82b4e85b1219295cad4b5851b035575bc293010John McCall} 3038f82b4e85b1219295cad4b5851b035575bc293010John McCall 3039207f4d8543529221932af82836016a2ef066c917Peter Collingbourne/// Handle OpenCL image access qualifiers: read_only, write_only, read_write 3040207f4d8543529221932af82836016a2ef066c917Peter Collingbournestatic void HandleOpenCLImageAccessAttribute(QualType& CurType, 3041207f4d8543529221932af82836016a2ef066c917Peter Collingbourne const AttributeList &Attr, 3042207f4d8543529221932af82836016a2ef066c917Peter Collingbourne Sema &S) { 3043207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // Check the attribute arguments. 3044207f4d8543529221932af82836016a2ef066c917Peter Collingbourne if (Attr.getNumArgs() != 1) { 3045207f4d8543529221932af82836016a2ef066c917Peter Collingbourne S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1; 3046207f4d8543529221932af82836016a2ef066c917Peter Collingbourne Attr.setInvalid(); 3047207f4d8543529221932af82836016a2ef066c917Peter Collingbourne return; 3048207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } 3049207f4d8543529221932af82836016a2ef066c917Peter Collingbourne Expr *sizeExpr = static_cast<Expr *>(Attr.getArg(0)); 3050207f4d8543529221932af82836016a2ef066c917Peter Collingbourne llvm::APSInt arg(32); 3051207f4d8543529221932af82836016a2ef066c917Peter Collingbourne if (sizeExpr->isTypeDependent() || sizeExpr->isValueDependent() || 3052207f4d8543529221932af82836016a2ef066c917Peter Collingbourne !sizeExpr->isIntegerConstantExpr(arg, S.Context)) { 3053207f4d8543529221932af82836016a2ef066c917Peter Collingbourne S.Diag(Attr.getLoc(), diag::err_attribute_argument_not_int) 3054207f4d8543529221932af82836016a2ef066c917Peter Collingbourne << "opencl_image_access" << sizeExpr->getSourceRange(); 3055207f4d8543529221932af82836016a2ef066c917Peter Collingbourne Attr.setInvalid(); 3056207f4d8543529221932af82836016a2ef066c917Peter Collingbourne return; 3057207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } 3058207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned iarg = static_cast<unsigned>(arg.getZExtValue()); 3059207f4d8543529221932af82836016a2ef066c917Peter Collingbourne switch (iarg) { 3060207f4d8543529221932af82836016a2ef066c917Peter Collingbourne case CLIA_read_only: 3061207f4d8543529221932af82836016a2ef066c917Peter Collingbourne case CLIA_write_only: 3062207f4d8543529221932af82836016a2ef066c917Peter Collingbourne case CLIA_read_write: 3063207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // Implemented in a separate patch 3064207f4d8543529221932af82836016a2ef066c917Peter Collingbourne break; 3065207f4d8543529221932af82836016a2ef066c917Peter Collingbourne default: 3066207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // Implemented in a separate patch 3067207f4d8543529221932af82836016a2ef066c917Peter Collingbourne S.Diag(Attr.getLoc(), diag::err_attribute_invalid_size) 3068207f4d8543529221932af82836016a2ef066c917Peter Collingbourne << sizeExpr->getSourceRange(); 3069207f4d8543529221932af82836016a2ef066c917Peter Collingbourne Attr.setInvalid(); 3070207f4d8543529221932af82836016a2ef066c917Peter Collingbourne break; 3071207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } 3072207f4d8543529221932af82836016a2ef066c917Peter Collingbourne} 3073207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 30746e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson/// HandleVectorSizeAttribute - this attribute is only applicable to integral 30756e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson/// and float scalars, although arrays, pointers, and function return values are 30766e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson/// allowed in conjunction with this construct. Aggregates with this attribute 30776e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson/// are invalid, even if they are of the same size as a corresponding scalar. 30786e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson/// The raw attribute should contain precisely 1 argument, the vector size for 30796e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson/// the variable, measured in bytes. If curType and rawAttr are well formed, 30806e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson/// this routine will return a new vector type. 3081788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerstatic void HandleVectorSizeAttr(QualType& CurType, const AttributeList &Attr, 3082788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Sema &S) { 308356affbcaeff9a01caa70b2a237f7e6ac31c8ded6Bob Wilson // Check the attribute arguments. 30846e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson if (Attr.getNumArgs() != 1) { 30856e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1; 3086e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 30876e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson return; 30886e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson } 30896e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson Expr *sizeExpr = static_cast<Expr *>(Attr.getArg(0)); 30906e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson llvm::APSInt vecSize(32); 3091ac06a0e1e3feb95c2ffd352c086882b492a65b99Douglas Gregor if (sizeExpr->isTypeDependent() || sizeExpr->isValueDependent() || 3092ac06a0e1e3feb95c2ffd352c086882b492a65b99Douglas Gregor !sizeExpr->isIntegerConstantExpr(vecSize, S.Context)) { 30936e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson S.Diag(Attr.getLoc(), diag::err_attribute_argument_not_int) 30946e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson << "vector_size" << sizeExpr->getSourceRange(); 3095e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 30966e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson return; 30976e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson } 30986e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson // the base type must be integer or float, and can't already be a vector. 3099f60946222721d9ba3c059563935c17b84703187aDouglas Gregor if (!CurType->isIntegerType() && !CurType->isRealFloatingType()) { 31006e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson S.Diag(Attr.getLoc(), diag::err_attribute_invalid_vector_type) << CurType; 3101e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 31026e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson return; 31036e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson } 31046e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson unsigned typeSize = static_cast<unsigned>(S.Context.getTypeSize(CurType)); 31056e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson // vecSize is specified in bytes - convert to bits. 31066e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson unsigned vectorSize = static_cast<unsigned>(vecSize.getZExtValue() * 8); 31076e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson 31086e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson // the vector size needs to be an integral multiple of the type size. 31096e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson if (vectorSize % typeSize) { 31106e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson S.Diag(Attr.getLoc(), diag::err_attribute_invalid_size) 31116e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson << sizeExpr->getSourceRange(); 3112e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 31136e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson return; 31146e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson } 31156e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson if (vectorSize == 0) { 31166e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson S.Diag(Attr.getLoc(), diag::err_attribute_zero_size) 31176e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson << sizeExpr->getSourceRange(); 3118e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara Attr.setInvalid(); 31196e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson return; 31206e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson } 31216e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson 31226e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson // Success! Instantiate the vector type, the number of elements is > 0, and 31236e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson // not required to be a power of 2, unlike GCC. 3124788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner CurType = S.Context.getVectorType(CurType, vectorSize/typeSize, 3125e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 31266e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson} 31276e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson 31284211bb68cff1f310be280f66a59520548ef99d8fBob Wilson/// HandleNeonVectorTypeAttr - The "neon_vector_type" and 31294211bb68cff1f310be280f66a59520548ef99d8fBob Wilson/// "neon_polyvector_type" attributes are used to create vector types that 31304211bb68cff1f310be280f66a59520548ef99d8fBob Wilson/// are mangled according to ARM's ABI. Otherwise, these types are identical 31314211bb68cff1f310be280f66a59520548ef99d8fBob Wilson/// to those created with the "vector_size" attribute. Unlike "vector_size" 31324211bb68cff1f310be280f66a59520548ef99d8fBob Wilson/// the argument to these Neon attributes is the number of vector elements, 31334211bb68cff1f310be280f66a59520548ef99d8fBob Wilson/// not the vector size in bytes. The vector width and element type must 31344211bb68cff1f310be280f66a59520548ef99d8fBob Wilson/// match one of the standard Neon vector types. 31354211bb68cff1f310be280f66a59520548ef99d8fBob Wilsonstatic void HandleNeonVectorTypeAttr(QualType& CurType, 31364211bb68cff1f310be280f66a59520548ef99d8fBob Wilson const AttributeList &Attr, Sema &S, 31374211bb68cff1f310be280f66a59520548ef99d8fBob Wilson VectorType::VectorKind VecKind, 31384211bb68cff1f310be280f66a59520548ef99d8fBob Wilson const char *AttrName) { 31394211bb68cff1f310be280f66a59520548ef99d8fBob Wilson // Check the attribute arguments. 31404211bb68cff1f310be280f66a59520548ef99d8fBob Wilson if (Attr.getNumArgs() != 1) { 31414211bb68cff1f310be280f66a59520548ef99d8fBob Wilson S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1; 31424211bb68cff1f310be280f66a59520548ef99d8fBob Wilson Attr.setInvalid(); 31434211bb68cff1f310be280f66a59520548ef99d8fBob Wilson return; 31444211bb68cff1f310be280f66a59520548ef99d8fBob Wilson } 31454211bb68cff1f310be280f66a59520548ef99d8fBob Wilson // The number of elements must be an ICE. 31464211bb68cff1f310be280f66a59520548ef99d8fBob Wilson Expr *numEltsExpr = static_cast<Expr *>(Attr.getArg(0)); 31474211bb68cff1f310be280f66a59520548ef99d8fBob Wilson llvm::APSInt numEltsInt(32); 31484211bb68cff1f310be280f66a59520548ef99d8fBob Wilson if (numEltsExpr->isTypeDependent() || numEltsExpr->isValueDependent() || 31494211bb68cff1f310be280f66a59520548ef99d8fBob Wilson !numEltsExpr->isIntegerConstantExpr(numEltsInt, S.Context)) { 31504211bb68cff1f310be280f66a59520548ef99d8fBob Wilson S.Diag(Attr.getLoc(), diag::err_attribute_argument_not_int) 31514211bb68cff1f310be280f66a59520548ef99d8fBob Wilson << AttrName << numEltsExpr->getSourceRange(); 31524211bb68cff1f310be280f66a59520548ef99d8fBob Wilson Attr.setInvalid(); 31534211bb68cff1f310be280f66a59520548ef99d8fBob Wilson return; 31544211bb68cff1f310be280f66a59520548ef99d8fBob Wilson } 31554211bb68cff1f310be280f66a59520548ef99d8fBob Wilson // Only certain element types are supported for Neon vectors. 31564211bb68cff1f310be280f66a59520548ef99d8fBob Wilson const BuiltinType* BTy = CurType->getAs<BuiltinType>(); 31574211bb68cff1f310be280f66a59520548ef99d8fBob Wilson if (!BTy || 31584211bb68cff1f310be280f66a59520548ef99d8fBob Wilson (VecKind == VectorType::NeonPolyVector && 31594211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::SChar && 31604211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::Short) || 31614211bb68cff1f310be280f66a59520548ef99d8fBob Wilson (BTy->getKind() != BuiltinType::SChar && 31624211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::UChar && 31634211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::Short && 31644211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::UShort && 31654211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::Int && 31664211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::UInt && 31674211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::LongLong && 31684211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::ULongLong && 31694211bb68cff1f310be280f66a59520548ef99d8fBob Wilson BTy->getKind() != BuiltinType::Float)) { 31704211bb68cff1f310be280f66a59520548ef99d8fBob Wilson S.Diag(Attr.getLoc(), diag::err_attribute_invalid_vector_type) <<CurType; 31714211bb68cff1f310be280f66a59520548ef99d8fBob Wilson Attr.setInvalid(); 31724211bb68cff1f310be280f66a59520548ef99d8fBob Wilson return; 31734211bb68cff1f310be280f66a59520548ef99d8fBob Wilson } 31744211bb68cff1f310be280f66a59520548ef99d8fBob Wilson // The total size of the vector must be 64 or 128 bits. 31754211bb68cff1f310be280f66a59520548ef99d8fBob Wilson unsigned typeSize = static_cast<unsigned>(S.Context.getTypeSize(CurType)); 31764211bb68cff1f310be280f66a59520548ef99d8fBob Wilson unsigned numElts = static_cast<unsigned>(numEltsInt.getZExtValue()); 31774211bb68cff1f310be280f66a59520548ef99d8fBob Wilson unsigned vecSize = typeSize * numElts; 31784211bb68cff1f310be280f66a59520548ef99d8fBob Wilson if (vecSize != 64 && vecSize != 128) { 31794211bb68cff1f310be280f66a59520548ef99d8fBob Wilson S.Diag(Attr.getLoc(), diag::err_attribute_bad_neon_vector_size) << CurType; 31804211bb68cff1f310be280f66a59520548ef99d8fBob Wilson Attr.setInvalid(); 31814211bb68cff1f310be280f66a59520548ef99d8fBob Wilson return; 31824211bb68cff1f310be280f66a59520548ef99d8fBob Wilson } 31834211bb68cff1f310be280f66a59520548ef99d8fBob Wilson 31844211bb68cff1f310be280f66a59520548ef99d8fBob Wilson CurType = S.Context.getVectorType(CurType, numElts, VecKind); 31854211bb68cff1f310be280f66a59520548ef99d8fBob Wilson} 31864211bb68cff1f310be280f66a59520548ef99d8fBob Wilson 3187711c52bb20d0c69063b52a99826fb7d2835501f1John McCallstatic void processTypeAttrs(TypeProcessingState &state, QualType &type, 3188711c52bb20d0c69063b52a99826fb7d2835501f1John McCall bool isDeclSpec, AttributeList *attrs) { 3189c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner // Scan through and apply attributes to this type where it makes sense. Some 3190c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner // attributes (such as __address_space__, __vector_size__, etc) apply to the 3191c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner // type, but others can be present in the type specifiers even though they 3192c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner // apply to the decl. Here we apply type attributes and ignore the rest. 3193711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 3194711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList *next; 3195711c52bb20d0c69063b52a99826fb7d2835501f1John McCall do { 3196711c52bb20d0c69063b52a99826fb7d2835501f1John McCall AttributeList &attr = *attrs; 3197711c52bb20d0c69063b52a99826fb7d2835501f1John McCall next = attr.getNext(); 3198711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 3199e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara // Skip attributes that were marked to be invalid. 3200711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (attr.isInvalid()) 3201e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara continue; 3202e215f7232dd4aa65ebf2a1ecd07cd95fe1ce3481Abramo Bagnara 3203b1f1b267351be74013f966f4834cde1eddbe0233Abramo Bagnara // If this is an attribute we can handle, do so now, 3204b1f1b267351be74013f966f4834cde1eddbe0233Abramo Bagnara // otherwise, add it to the FnAttrs list for rechaining. 3205711c52bb20d0c69063b52a99826fb7d2835501f1John McCall switch (attr.getKind()) { 3206c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner default: break; 320704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 3208c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner case AttributeList::AT_address_space: 3209711c52bb20d0c69063b52a99826fb7d2835501f1John McCall HandleAddressSpaceTypeAttribute(type, attr, state.getSema()); 3210c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner break; 3211711c52bb20d0c69063b52a99826fb7d2835501f1John McCall OBJC_POINTER_TYPE_ATTRS_CASELIST: 3212711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (!handleObjCPointerTypeAttr(state, attr, type)) 3213711c52bb20d0c69063b52a99826fb7d2835501f1John McCall distributeObjCPointerTypeAttr(state, attr, type); 3214d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian break; 321504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall case AttributeList::AT_vector_size: 3216711c52bb20d0c69063b52a99826fb7d2835501f1John McCall HandleVectorSizeAttr(type, attr, state.getSema()); 3217f82b4e85b1219295cad4b5851b035575bc293010John McCall break; 32184211bb68cff1f310be280f66a59520548ef99d8fBob Wilson case AttributeList::AT_neon_vector_type: 3219711c52bb20d0c69063b52a99826fb7d2835501f1John McCall HandleNeonVectorTypeAttr(type, attr, state.getSema(), 3220711c52bb20d0c69063b52a99826fb7d2835501f1John McCall VectorType::NeonVector, "neon_vector_type"); 32214211bb68cff1f310be280f66a59520548ef99d8fBob Wilson break; 32224211bb68cff1f310be280f66a59520548ef99d8fBob Wilson case AttributeList::AT_neon_polyvector_type: 3223711c52bb20d0c69063b52a99826fb7d2835501f1John McCall HandleNeonVectorTypeAttr(type, attr, state.getSema(), 3224711c52bb20d0c69063b52a99826fb7d2835501f1John McCall VectorType::NeonPolyVector, 32254211bb68cff1f310be280f66a59520548ef99d8fBob Wilson "neon_polyvector_type"); 32264211bb68cff1f310be280f66a59520548ef99d8fBob Wilson break; 322704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 3228207f4d8543529221932af82836016a2ef066c917Peter Collingbourne case AttributeList::AT_opencl_image_access: 3229207f4d8543529221932af82836016a2ef066c917Peter Collingbourne HandleOpenCLImageAccessAttribute(type, attr, state.getSema()); 3230207f4d8543529221932af82836016a2ef066c917Peter Collingbourne break; 3231207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 3232711c52bb20d0c69063b52a99826fb7d2835501f1John McCall FUNCTION_TYPE_ATTRS_CASELIST: 3233711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Never process function type attributes as part of the 3234711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // declaration-specifiers. 3235711c52bb20d0c69063b52a99826fb7d2835501f1John McCall if (isDeclSpec) 3236711c52bb20d0c69063b52a99826fb7d2835501f1John McCall distributeFunctionTypeAttrFromDeclSpec(state, attr, type); 3237711c52bb20d0c69063b52a99826fb7d2835501f1John McCall 3238711c52bb20d0c69063b52a99826fb7d2835501f1John McCall // Otherwise, handle the possible delays. 3239711c52bb20d0c69063b52a99826fb7d2835501f1John McCall else if (!handleFunctionTypeAttr(state, attr, type)) 3240711c52bb20d0c69063b52a99826fb7d2835501f1John McCall distributeFunctionTypeAttr(state, attr, type); 32416e132aab867c189b1c3ee7463ef9d2b1f03a294dJohn Thompson break; 3242c9b346d7b3b24f8bf940735cc812893dfcef1d4bChris Lattner } 3243711c52bb20d0c69063b52a99826fb7d2835501f1John McCall } while ((attrs = next)); 3244232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner} 3245232e882226aa116807ee08a700dfc2350fbfabb1Chris Lattner 3246e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// \brief Ensure that the type of the given expression is complete. 3247e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// 3248e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// This routine checks whether the expression \p E has a complete type. If the 3249e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// expression refers to an instantiable construct, that instantiation is 3250e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// performed as needed to complete its type. Furthermore 3251e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// Sema::RequireCompleteType is called for the expression's type (or in the 3252e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// case of a reference type, the referred-to type). 3253e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// 3254e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// \param E The expression whose type is required to be complete. 3255e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// \param PD The partial diagnostic that will be printed out if the type cannot 3256e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// be completed. 3257e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// 3258e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// \returns \c true if the type of \p E is incomplete and diagnosed, \c false 3259e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth/// otherwise. 3260e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruthbool Sema::RequireCompleteExprType(Expr *E, const PartialDiagnostic &PD, 3261e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth std::pair<SourceLocation, 3262e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth PartialDiagnostic> Note) { 3263e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth QualType T = E->getType(); 3264e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth 3265e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // Fast path the case where the type is already complete. 3266e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth if (!T->isIncompleteType()) 3267e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth return false; 3268e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth 3269e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // Incomplete array types may be completed by the initializer attached to 3270e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // their definitions. For static data members of class templates we need to 3271e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // instantiate the definition to get this initializer and complete the type. 3272e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth if (T->isIncompleteArrayType()) { 3273e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E->IgnoreParens())) { 3274e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) { 3275e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth if (Var->isStaticDataMember() && 3276e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth Var->getInstantiatedFromStaticDataMember()) { 327736f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor 327836f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor MemberSpecializationInfo *MSInfo = Var->getMemberSpecializationInfo(); 327936f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor assert(MSInfo && "Missing member specialization information?"); 328036f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor if (MSInfo->getTemplateSpecializationKind() 328136f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor != TSK_ExplicitSpecialization) { 328236f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor // If we don't already have a point of instantiation, this is it. 328336f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor if (MSInfo->getPointOfInstantiation().isInvalid()) { 328436f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor MSInfo->setPointOfInstantiation(E->getLocStart()); 328536f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor 328636f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor // This is a modification of an existing AST node. Notify 328736f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor // listeners. 328836f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor if (ASTMutationListener *L = getASTMutationListener()) 328936f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor L->StaticDataMemberInstantiated(Var); 329036f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor } 329136f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor 329236f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor InstantiateStaticDataMemberDefinition(E->getExprLoc(), Var); 329336f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor 329436f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor // Update the type to the newly instantiated definition's type both 329536f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor // here and within the expression. 329636f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor if (VarDecl *Def = Var->getDefinition()) { 329736f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor DRE->setDecl(Def); 329836f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor T = Def->getType(); 329936f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor DRE->setType(T); 330036f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor E->setType(T); 330136f255c324d37dd8e0e5ab2e026814e8396a05aaDouglas Gregor } 3302f15748a28c8443eef2924ef83689c358c661e9c5Douglas Gregor } 3303f15748a28c8443eef2924ef83689c358c661e9c5Douglas Gregor 3304e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // We still go on to try to complete the type independently, as it 3305e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // may also require instantiations or diagnostics if it remains 3306e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // incomplete. 3307e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth } 3308e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth } 3309e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth } 3310e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth } 3311e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth 3312e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // FIXME: Are there other cases which require instantiating something other 3313e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // than the type to complete the type of an expression? 3314e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth 3315e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth // Look through reference types and complete the referred type. 3316e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth if (const ReferenceType *Ref = T->getAs<ReferenceType>()) 3317e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth T = Ref->getPointeeType(); 3318e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth 3319e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth return RequireCompleteType(E->getExprLoc(), T, PD, Note); 3320e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth} 3321e4d645cbe073042d8abc1a4eb600af4ff7a8dffbChandler Carruth 33221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @brief Ensure that the type T is a complete type. 33234ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// 33244ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// This routine checks whether the type @p T is complete in any 33254ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// context where a complete type is required. If @p T is a complete 332686447ec25fa34aa3c2f48ebc49ec09bc1f03f002Douglas Gregor/// type, returns false. If @p T is a class template specialization, 332786447ec25fa34aa3c2f48ebc49ec09bc1f03f002Douglas Gregor/// this routine then attempts to perform class template 332886447ec25fa34aa3c2f48ebc49ec09bc1f03f002Douglas Gregor/// instantiation. If instantiation fails, or if @p T is incomplete 332986447ec25fa34aa3c2f48ebc49ec09bc1f03f002Douglas Gregor/// and cannot be completed, issues the diagnostic @p diag (giving it 333086447ec25fa34aa3c2f48ebc49ec09bc1f03f002Douglas Gregor/// the type @p T) and returns true. 33314ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// 33324ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// @param Loc The location in the source that the incomplete type 33334ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// diagnostic should refer to. 33344ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// 33354ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// @param T The type that this routine is examining for completeness. 33364ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// 33371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// @param PD The partial diagnostic that will be printed out if T is not a 3338b790661a15d93941d2c33a0ea328254277b3d7e3Anders Carlsson/// complete type. 33394ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// 33404ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// @returns @c true if @p T is incomplete and a diagnostic was emitted, 33414ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor/// @c false otherwise. 334291a0cc913ecc5619b76d2e40742fd09725be8c56Anders Carlssonbool Sema::RequireCompleteType(SourceLocation Loc, QualType T, 33438c8d91917c307dc3ba4f60661377c745f2a6bef2Anders Carlsson const PartialDiagnostic &PD, 33448c8d91917c307dc3ba4f60661377c745f2a6bef2Anders Carlsson std::pair<SourceLocation, 33458c8d91917c307dc3ba4f60661377c745f2a6bef2Anders Carlsson PartialDiagnostic> Note) { 334691a0cc913ecc5619b76d2e40742fd09725be8c56Anders Carlsson unsigned diag = PD.getDiagID(); 33471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3348573d9c325279b6e156c7fde163ffe3629c62d596Douglas Gregor // FIXME: Add this assertion to make sure we always get instantiation points. 3349573d9c325279b6e156c7fde163ffe3629c62d596Douglas Gregor // assert(!Loc.isInvalid() && "Invalid location in RequireCompleteType"); 3350690dc7f4f2c0fe87409839b7560c19dee7832195Douglas Gregor // FIXME: Add this assertion to help us flush out problems with 3351690dc7f4f2c0fe87409839b7560c19dee7832195Douglas Gregor // checking for dependent types and type-dependent expressions. 3352690dc7f4f2c0fe87409839b7560c19dee7832195Douglas Gregor // 33531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // assert(!T->isDependentType() && 3354690dc7f4f2c0fe87409839b7560c19dee7832195Douglas Gregor // "Can't ask whether a dependent type is complete"); 3355690dc7f4f2c0fe87409839b7560c19dee7832195Douglas Gregor 33564ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor // If we have a complete type, we're done. 33574ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor if (!T->isIncompleteType()) 33584ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor return false; 33594ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor 3360d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor // If we have a class template specialization or a class member of a 3361923d56d436f750bc1f29db50e641078725558a1bSebastian Redl // class template specialization, or an array with known size of such, 3362923d56d436f750bc1f29db50e641078725558a1bSebastian Redl // try to instantiate it. 3363923d56d436f750bc1f29db50e641078725558a1bSebastian Redl QualType MaybeTemplate = T; 336489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor if (const ConstantArrayType *Array = Context.getAsConstantArrayType(T)) 3365923d56d436f750bc1f29db50e641078725558a1bSebastian Redl MaybeTemplate = Array->getElementType(); 3366923d56d436f750bc1f29db50e641078725558a1bSebastian Redl if (const RecordType *Record = MaybeTemplate->getAs<RecordType>()) { 33672943aed177b33ae3f14273b11a7b398e5276ec62Douglas Gregor if (ClassTemplateSpecializationDecl *ClassTemplateSpec 3368d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(Record->getDecl())) { 3369972e6ce33c7e307f4b0da12bd6079bbd6ef76948Douglas Gregor if (ClassTemplateSpec->getSpecializationKind() == TSK_Undeclared) 3370972e6ce33c7e307f4b0da12bd6079bbd6ef76948Douglas Gregor return InstantiateClassTemplateSpecialization(Loc, ClassTemplateSpec, 3371d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor TSK_ImplicitInstantiation, 33725842ba9fd482bb2fe5198b32c2ae549cd5474e6dDouglas Gregor /*Complain=*/diag != 0); 33731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (CXXRecordDecl *Rec 3374d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor = dyn_cast<CXXRecordDecl>(Record->getDecl())) { 3375d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor if (CXXRecordDecl *Pattern = Rec->getInstantiatedFromMemberClass()) { 3376b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor MemberSpecializationInfo *MSInfo = Rec->getMemberSpecializationInfo(); 3377b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor assert(MSInfo && "Missing member specialization information?"); 3378357bbd022c1d340c8e255aea7a684ddb34bc76e5Douglas Gregor // This record was instantiated from a class within a template. 3379b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MSInfo->getTemplateSpecializationKind() 3380972e6ce33c7e307f4b0da12bd6079bbd6ef76948Douglas Gregor != TSK_ExplicitSpecialization) 3381f6b1185f0a8a209c06dfc1efdb6a59cc851e970cDouglas Gregor return InstantiateClass(Loc, Rec, Pattern, 3382f6b1185f0a8a209c06dfc1efdb6a59cc851e970cDouglas Gregor getTemplateInstantiationArgs(Rec), 3383f6b1185f0a8a209c06dfc1efdb6a59cc851e970cDouglas Gregor TSK_ImplicitInstantiation, 3384f6b1185f0a8a209c06dfc1efdb6a59cc851e970cDouglas Gregor /*Complain=*/diag != 0); 3385d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor } 3386d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor } 3387d475b8d9e6f5ff0e6ab8d15667ce8a64c7cb9a4dDouglas Gregor } 33882943aed177b33ae3f14273b11a7b398e5276ec62Douglas Gregor 33895842ba9fd482bb2fe5198b32c2ae549cd5474e6dDouglas Gregor if (diag == 0) 33905842ba9fd482bb2fe5198b32c2ae549cd5474e6dDouglas Gregor return true; 33911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3392916c870442978db40404d51348cdf5524e506faaJohn McCall const TagType *Tag = T->getAs<TagType>(); 339301620704304f819b82ecef769ec114e541a364d7Rafael Espindola 339401620704304f819b82ecef769ec114e541a364d7Rafael Espindola // Avoid diagnosing invalid decls as incomplete. 339501620704304f819b82ecef769ec114e541a364d7Rafael Espindola if (Tag && Tag->getDecl()->isInvalidDecl()) 339601620704304f819b82ecef769ec114e541a364d7Rafael Espindola return true; 339701620704304f819b82ecef769ec114e541a364d7Rafael Espindola 3398916c870442978db40404d51348cdf5524e506faaJohn McCall // Give the external AST source a chance to complete the type. 3399916c870442978db40404d51348cdf5524e506faaJohn McCall if (Tag && Tag->getDecl()->hasExternalLexicalStorage()) { 3400916c870442978db40404d51348cdf5524e506faaJohn McCall Context.getExternalSource()->CompleteType(Tag->getDecl()); 3401916c870442978db40404d51348cdf5524e506faaJohn McCall if (!Tag->isIncompleteType()) 3402916c870442978db40404d51348cdf5524e506faaJohn McCall return false; 3403916c870442978db40404d51348cdf5524e506faaJohn McCall } 3404916c870442978db40404d51348cdf5524e506faaJohn McCall 34054ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor // We have an incomplete type. Produce a diagnostic. 340691a0cc913ecc5619b76d2e40742fd09725be8c56Anders Carlsson Diag(Loc, PD) << T; 34073c0eb160ca1361a82b9f15b3b40a2425adc14d0fEli Friedman 34088c8d91917c307dc3ba4f60661377c745f2a6bef2Anders Carlsson // If we have a note, produce it. 34098c8d91917c307dc3ba4f60661377c745f2a6bef2Anders Carlsson if (!Note.first.isInvalid()) 34108c8d91917c307dc3ba4f60661377c745f2a6bef2Anders Carlsson Diag(Note.first, Note.second); 34118c8d91917c307dc3ba4f60661377c745f2a6bef2Anders Carlsson 34124ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor // If the type was a forward declaration of a class/struct/union 341301620704304f819b82ecef769ec114e541a364d7Rafael Espindola // type, produce a note. 34144ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor if (Tag && !Tag->getDecl()->isInvalidDecl()) 34151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diag(Tag->getDecl()->getLocation(), 34164ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor Tag->isBeingDefined() ? diag::note_type_being_defined 34174ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor : diag::note_forward_declaration) 34184ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor << QualType(Tag, 0); 34194ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor 34204ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor return true; 34214ec339f43c0cae2678334850c90926bea10999c7Douglas Gregor} 3422e6258936178b4c52b43b3b9dbec13552961cd645Douglas Gregor 3423fe6b2d481d91140923f4541f273b253291884214Douglas Gregorbool Sema::RequireCompleteType(SourceLocation Loc, QualType T, 3424fe6b2d481d91140923f4541f273b253291884214Douglas Gregor const PartialDiagnostic &PD) { 3425fe6b2d481d91140923f4541f273b253291884214Douglas Gregor return RequireCompleteType(Loc, T, PD, 3426fe6b2d481d91140923f4541f273b253291884214Douglas Gregor std::make_pair(SourceLocation(), PDiag(0))); 3427fe6b2d481d91140923f4541f273b253291884214Douglas Gregor} 3428fe6b2d481d91140923f4541f273b253291884214Douglas Gregor 3429fe6b2d481d91140923f4541f273b253291884214Douglas Gregorbool Sema::RequireCompleteType(SourceLocation Loc, QualType T, 3430fe6b2d481d91140923f4541f273b253291884214Douglas Gregor unsigned DiagID) { 3431fe6b2d481d91140923f4541f273b253291884214Douglas Gregor return RequireCompleteType(Loc, T, PDiag(DiagID), 3432fe6b2d481d91140923f4541f273b253291884214Douglas Gregor std::make_pair(SourceLocation(), PDiag(0))); 3433fe6b2d481d91140923f4541f273b253291884214Douglas Gregor} 3434fe6b2d481d91140923f4541f273b253291884214Douglas Gregor 3435465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Retrieve a version of the type 'T' that is elaborated by Keyword 3436465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// and qualified by the nested-name-specifier contained in SS. 3437465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraQualType Sema::getElaboratedType(ElaboratedTypeKeyword Keyword, 3438465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara const CXXScopeSpec &SS, QualType T) { 3439465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara if (T.isNull()) 3440e6258936178b4c52b43b3b9dbec13552961cd645Douglas Gregor return T; 3441465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS; 3442e4da7a034a2fcf4b14d0bcc28d05de0878159061Abramo Bagnara if (SS.isValid()) 3443465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS = static_cast<NestedNameSpecifier *>(SS.getScopeRep()); 3444465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara else { 3445465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara if (Keyword == ETK_None) 3446465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T; 3447465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS = 0; 3448465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3449465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return Context.getElaboratedType(Keyword, NNS, T); 3450e6258936178b4c52b43b3b9dbec13552961cd645Douglas Gregor} 3451af017e682918f7a1a95ff08d9ab7ae3426436ca3Anders Carlsson 34522a984cad5ac3fdceeff2bd99daa7b90979313475John McCallQualType Sema::BuildTypeofExprType(Expr *E, SourceLocation Loc) { 3453fb8721ce4c6fef3739b1cbd1e38e3f1949462033John McCall ExprResult ER = CheckPlaceholderExpr(E); 34542a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (ER.isInvalid()) return QualType(); 34552a984cad5ac3fdceeff2bd99daa7b90979313475John McCall E = ER.take(); 34562a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 34572b1d51bcf891f8887759aebb4b9e78dee8542e6dFariborz Jahanian if (!E->isTypeDependent()) { 34582b1d51bcf891f8887759aebb4b9e78dee8542e6dFariborz Jahanian QualType T = E->getType(); 3459aca7f7bab0102341863a0d1bdb048d69213ae362Fariborz Jahanian if (const TagType *TT = T->getAs<TagType>()) 3460aca7f7bab0102341863a0d1bdb048d69213ae362Fariborz Jahanian DiagnoseUseOfDecl(TT->getDecl(), E->getExprLoc()); 34612b1d51bcf891f8887759aebb4b9e78dee8542e6dFariborz Jahanian } 3462af017e682918f7a1a95ff08d9ab7ae3426436ca3Anders Carlsson return Context.getTypeOfExprType(E); 3463af017e682918f7a1a95ff08d9ab7ae3426436ca3Anders Carlsson} 3464af017e682918f7a1a95ff08d9ab7ae3426436ca3Anders Carlsson 34652a984cad5ac3fdceeff2bd99daa7b90979313475John McCallQualType Sema::BuildDecltypeType(Expr *E, SourceLocation Loc) { 3466fb8721ce4c6fef3739b1cbd1e38e3f1949462033John McCall ExprResult ER = CheckPlaceholderExpr(E); 34672a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (ER.isInvalid()) return QualType(); 34682a984cad5ac3fdceeff2bd99daa7b90979313475John McCall E = ER.take(); 34694b52e25f3b05ab0f9d2492276a52323a50a84fb7Douglas Gregor 3470af017e682918f7a1a95ff08d9ab7ae3426436ca3Anders Carlsson return Context.getDecltypeType(E); 3471af017e682918f7a1a95ff08d9ab7ae3426436ca3Anders Carlsson} 3472ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3473ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType Sema::BuildUnaryTransformType(QualType BaseType, 3474ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind UKind, 3475ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt SourceLocation Loc) { 3476ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt switch (UKind) { 3477ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case UnaryTransformType::EnumUnderlyingType: 3478ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt if (!BaseType->isDependentType() && !BaseType->isEnumeralType()) { 3479ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Diag(Loc, diag::err_only_enums_have_underlying_types); 3480ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(); 3481ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } else { 3482ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType Underlying = BaseType; 3483ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt if (!BaseType->isDependentType()) { 3484ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt EnumDecl *ED = BaseType->getAs<EnumType>()->getDecl(); 3485ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt assert(ED && "EnumType has no EnumDecl"); 3486ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt DiagnoseUseOfDecl(ED, Loc); 3487ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Underlying = ED->getIntegerType(); 3488ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 3489ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt assert(!Underlying.isNull()); 3490ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return Context.getUnaryTransformType(BaseType, Underlying, 3491ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::EnumUnderlyingType); 3492ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 3493ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 3494ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt llvm_unreachable("unknown unary transform type"); 3495ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 3496