15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===// 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 defines the Stmt interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_STMT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_STMT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 172fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/AST/DeclGroup.h" 189caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 199fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan#include "clang/Basic/CapturedStmt.h" 202fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Basic/IdentifierTable.h" 212fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Basic/LLVM.h" 222fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Basic/SourceLocation.h" 232fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "llvm/ADT/ArrayRef.h" 243a2f91280a49f4747063f983dc6a3296bd9359d2Ben Langmuir#include "llvm/ADT/PointerIntPair.h" 2587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar#include "llvm/ADT/iterator.h" 26aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 27a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer#include "llvm/Support/ErrorHandling.h" 286e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 297573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 35e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 362fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class Attr; 376afcf8875d4e447645cd7bf3733dd8e2eb8455dcTareq A. Siraj class CapturedDecl; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 392fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class Expr; 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 41478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class LabelDecl; 422fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class ParmVarDecl; 43a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer class PrinterHelper; 44a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer struct PrintingPolicy; 452fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class QualType; 46051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj class RecordDecl; 470c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 486a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 496c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 50a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer class Token; 51478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class VarDecl; 521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5958878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainarclass LLVM_ALIGNAS(LLVM_PTR_SIZE) Stmt { 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 62f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 63f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 647381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 659a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 667381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 679a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 687381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 694bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 7487d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar void *operator new(size_t bytes) LLVM_NOEXCEPT { 75b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be allocated with regular 'new'."); 768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 7787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar void operator delete(void *data) LLVM_NOEXCEPT { 78b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be released with regular 'delete'."); 798189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 858e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 868e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 878e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 888e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 898e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 908e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 918e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 928e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 938e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 948e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 958e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 964967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar class IfStmtBitfields { 974967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar friend class IfStmt; 984967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar unsigned : NumStmtBits; 994967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 1004967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar unsigned IsConstexpr : 1; 1014967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar }; 1024967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 1038e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1048e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1068e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 108d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 109bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 110bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 111bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 112bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 113bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 114bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 115bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 116ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCArrayLiteral; // ctor 117ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCDictionaryLiteral; // ctor 118bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 119bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 120bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 121bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 122bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1234b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 124dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1254967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar friend class OpaqueValueExpr; // ctor 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 129f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 132561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 133d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 135561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 137bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class CharacterLiteralBitfields { 138bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class CharacterLiteral; 139bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 140bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 1414967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar unsigned Kind : 3; 142bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 143bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 1449ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover enum APFloatSemantics { 1459ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover IEEEhalf, 1469ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover IEEEsingle, 1479ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover IEEEdouble, 1489ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover x87DoubleExtended, 1499ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover IEEEquad, 1509ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover PPCDoubleDouble 1519ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover }; 1529ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover 153bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class FloatingLiteralBitfields { 154bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class FloatingLiteral; 155bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 156bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 1579ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover unsigned Semantics : 3; // Provides semantics for APFloat construction 158bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsExact : 1; 159bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 160bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 161bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class UnaryExprOrTypeTraitExprBitfields { 162bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class UnaryExprOrTypeTraitExpr; 163bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 164bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 165bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 166bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsType : 1; // true if operand is a type, false if an expression. 167bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 168bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 169cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 170cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 171cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 172cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 173cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 174cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 175e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned HasTemplateKWAndArgsInfo : 1; 1763aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 1777cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 1780e2c34f92f00628d48968dfea096d36381f494cbStephen Hines unsigned RefersToEnclosingVariableOrCapture : 1; 179cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 180cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 1818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 1838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 1848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1852bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 1862bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 1878e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1888e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 189cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 190cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 191cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 192cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 193cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 194cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 195cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 19680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall class ExprWithCleanupsBitfields { 19780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ExprWithCleanups; 19880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; // deserialization 19980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 20080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned : NumExprBits; 20180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 2024967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // When false, it must not have side effects. 2034967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar unsigned CleanupsHaveSideEffects : 1; 2044967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 2054967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar unsigned NumObjects : 32 - 1 - NumExprBits; 20680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall }; 20780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 2084b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 2094b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 2104b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 2114b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2124b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 2134b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2144b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 2154b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 2164b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 2174b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 2184b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 2194b9c2d235fb9449e249d74f48ecfec601650de93John McCall 220f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 221f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 222f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 223f85e193739c953358c865005855253af4f68a497John McCall 224f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 225f85e193739c953358c865005855253af4f68a497John McCall }; 226f85e193739c953358c865005855253af4f68a497John McCall 22732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl class InitListExprBitfields { 22832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl friend class InitListExpr; 22932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 23032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned : NumExprBits; 23132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 23232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list originally had a GNU array-range 23332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// designator in it. This is a temporary marker used by CodeGen. 23432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned HadArrayRangeDesignator : 1; 23532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl }; 23632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 2374ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor class TypeTraitExprBitfields { 2384ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class TypeTraitExpr; 2394ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 2404ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 2414ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2424ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned : NumExprBits; 2434ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2444ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The kind of type trait, which is a value of a TypeTrait enumerator. 2454ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Kind : 8; 2464ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2474ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief If this expression is not value-dependent, this indicates whether 2484ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// the trait evaluated true or false. 2494ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Value : 1; 2504ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2514ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The number of arguments to this type trait. 2524ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned NumArgs : 32 - 8 - 1 - NumExprBits; 2534ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor }; 254211c8ddb5b500ed84833751363d0cfe1115f4dd3Richard Smith 2558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 2568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2584967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar IfStmtBitfields IfStmtBits; 2598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 260bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer CharacterLiteralBitfields CharacterLiteralBits; 261bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer FloatingLiteralBitfields FloatingLiteralBits; 262bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits; 263cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 265cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 26680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanupsBitfields ExprWithCleanupsBits; 2674b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 268f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 26932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl InitListExprBitfields InitListExprBits; 2704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExprBitfields TypeTraitExprBits; 2718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 273d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 2744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 275d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 2778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 27905ed1a0587edcf3b8ee84a67d8c8ca76753d1fc1Craig Topper void* operator new(size_t bytes, const ASTContext& C, 2805b3ebb4356ac62abd8767c4c3388b773d9d61802Craig Topper unsigned alignment = 8); 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 282bdf253de659442bc3fd4fc28d6145ad46113a0a7Craig Topper void* operator new(size_t bytes, const ASTContext* C, 283536bcedb8e6fea6458789f99f0ef554ce65514ccCraig Topper unsigned alignment = 8) { 284536bcedb8e6fea6458789f99f0ef554ce65514ccCraig Topper return operator new(bytes, *C, alignment); 285536bcedb8e6fea6458789f99f0ef554ce65514ccCraig Topper } 286bdf253de659442bc3fd4fc28d6145ad46113a0a7Craig Topper 28787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar void *operator new(size_t bytes, void *mem) LLVM_NOEXCEPT { return mem; } 288e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 28987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar void operator delete(void *, const ASTContext &, unsigned) LLVM_NOEXCEPT {} 29087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar void operator delete(void *, const ASTContext *, unsigned) LLVM_NOEXCEPT {} 29187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar void operator delete(void *, size_t) LLVM_NOEXCEPT {} 29287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar void operator delete(void *, void *) LLVM_NOEXCEPT {} 293e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 294025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 295025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 296025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 297025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 298025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 299025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 30087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainarprotected: 30187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar /// Iterator for iterating over Stmt * arrays that contain only Expr * 30287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar /// 30387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar /// This is needed because AST nodes use Stmt* arrays to store 30487d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar /// references to children (to be compatible with StmtIterator). 30587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar struct ExprIterator 30687d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar : llvm::iterator_adaptor_base<ExprIterator, Stmt **, 30787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar std::random_access_iterator_tag, Expr *> { 30887d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar ExprIterator() : iterator_adaptor_base(nullptr) {} 30987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar ExprIterator(Stmt **I) : iterator_adaptor_base(I) {} 31087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 31187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar reference operator*() const { 31287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar assert((*I)->getStmtClass() >= firstExprConstant && 31387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar (*I)->getStmtClass() <= lastExprConstant); 31487d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return *reinterpret_cast<Expr **>(I); 31587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 31687d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar }; 31787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 31887d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar /// Const iterator for iterating over Stmt * arrays that contain only Expr * 31987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar struct ConstExprIterator 32087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar : llvm::iterator_adaptor_base<ConstExprIterator, const Stmt *const *, 32187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar std::random_access_iterator_tag, 32287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const Expr *const> { 32387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar ConstExprIterator() : iterator_adaptor_base(nullptr) {} 32487d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar ConstExprIterator(const Stmt *const *I) : iterator_adaptor_base(I) {} 32587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 32687d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar reference operator*() const { 32787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar assert((*I)->getStmtClass() >= firstExprConstant && 32887d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar (*I)->getStmtClass() <= lastExprConstant); 32987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return *reinterpret_cast<const Expr *const *>(I); 33087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 33187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar }; 33287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 33302892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbarprivate: 33402892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar /// \brief Whether statistic collection is enabled. 33502892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static bool StatisticsEnabled; 33602892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar 3379c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 338025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 33958878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar explicit Stmt(StmtClass SC, EmptyShell) : Stmt(SC) {} 340025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3428e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 34358878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar static_assert(sizeof(*this) % llvm::AlignOf<void *>::Alignment == 0, 34458878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar "Insufficient alignment!"); 3458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 34602892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 349ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 3508e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 351b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 3531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 354b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 355b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 356b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 357aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 358aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocStart() const LLVM_READONLY; 359aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocEnd() const LLVM_READONLY; 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 36302892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static void EnableStatistics(); 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 3656000dace22f110d8768476989313e9d981d690d0Chris Lattner 36695f6190acb664b345b1395abaea84ee451740c5bDmitri Gribenko /// \brief Dumps the specified AST fragment and all subtrees to 36795f6190acb664b345b1395abaea84ee451740c5bDmitri Gribenko /// \c llvm::errs(). 368651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void dump() const; 369651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void dump(SourceManager &SM) const; 3708cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 3713ea9e33ea25e0c2b12db56418ba3f994eb662c04Pirama Arumuga Nainar void dump(raw_ostream &OS) const; 3726000dace22f110d8768476989313e9d981d690d0Chris Lattner 3737ba443aa8cfb222737d3a964a19ad4fb1328c4b5Richard Trieu /// dumpColor - same as dump(), but forces color highlighting. 374651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines void dumpColor() const; 3757ba443aa8cfb222737d3a964a19ad4fb1328c4b5Richard Trieu 3766000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 3776000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 3788b4b98b7cb18cc4a99cca0aefa515cc8756dc06dCraig Topper void dumpPretty(const ASTContext &Context) const; 3798cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 380e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 381d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 383d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 384d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 385d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3877e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3887e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3897e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3907e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 391176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines /// \brief Skip no-op (attributed, compound) container stmts and skip captured 392176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines /// stmt at the top, if \a IgnoreCaptured is true. 393176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Stmt *IgnoreContainers(bool IgnoreCaptured = false); 394176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 395a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 396a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 397a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 398a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 399a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 400a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 40163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 40263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 40363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 4049caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 4059caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar typedef llvm::iterator_range<child_iterator> child_range; 40887d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar typedef llvm::iterator_range<const_child_iterator> const_child_range; 4091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 41163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 41287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar auto Children = const_cast<Stmt *>(this)->children(); 41387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return const_child_range(Children.begin(), Children.end()); 41477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41687d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar child_iterator child_begin() { return children().begin(); } 41787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar child_iterator child_end() { return children().end(); } 41863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 41987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const_child_iterator child_begin() const { return children().begin(); } 42087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const_child_iterator child_end() const { return children().end(); } 42141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 42241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 42341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 42470517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param ID once the profiling operation is complete, will contain 42541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 42641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 42770517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param Context the AST context in which the statement resides 42841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 42970517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param Canonical whether the profile should be based on the canonical 43041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 4311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 43241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 43341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 4344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 435b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 4401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 4449653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 44581c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 4498ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 4508ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 4511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 45384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 45484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4557e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 456fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 4577e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 458fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 4598ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 4601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4617e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 4631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 464e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 465e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 46684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 467b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 46881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 46984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 47081c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 47184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 47284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 47365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return StartLoc; } 47465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; } 4751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48014f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 48163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 48263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 48363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 48463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4860632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4870632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 488651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines typedef llvm::iterator_range<decl_iterator> decl_range; 489651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines typedef llvm::iterator_range<const_decl_iterator> decl_const_range; 4901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 491651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines decl_range decls() { return decl_range(decl_begin(), decl_end()); } 492651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines decl_const_range decls() const { 493651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return decl_const_range(decl_begin(), decl_end()); 494651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 4958ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4968ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 4978ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 4988ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 499fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose 500fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose typedef std::reverse_iterator<decl_iterator> reverse_decl_iterator; 501fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rbegin() { 502fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_end()); 503fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 504fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rend() { 505fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_begin()); 506fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 51344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 514e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 51544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 51644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 51744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 51844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 519e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 521e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 522e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 523e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 525025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 526e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 527e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 528025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 530025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 531b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 532e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 53344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 53465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return SemiLoc; } 53565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SemiLoc; } 5361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar child_range children() { 54287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return child_range(child_iterator(), child_iterator()); 54387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 54444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 54544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 54644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 5528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 553176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation LBraceLoc, RBraceLoc; 554176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 555176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines friend class ASTStmtReader; 556176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5580b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper CompoundStmt(const ASTContext &C, ArrayRef<Stmt*> Stmts, 5593a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer SourceLocation LB, SourceLocation RB); 5603a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer 561063820655db8121f0022a7c51458463c7250324cBenjamin Kramer // \brief Build an empty compound statement with a location. 5623a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer explicit CompoundStmt(SourceLocation Loc) 563176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines : Stmt(CompoundStmtClass), Body(nullptr), LBraceLoc(Loc), RBraceLoc(Loc) { 5643a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmtBits.NumStmts = 0; 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 566025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 567025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 568025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5696bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : Stmt(CompoundStmtClass, Empty), Body(nullptr) { 5708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 572025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 57387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar void setStmts(const ASTContext &C, ArrayRef<Stmt *> Stmts); 5741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 577025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 579651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines typedef llvm::iterator_range<body_iterator> body_range; 580651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 581651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines body_range body() { return body_range(body_begin(), body_end()); } 5828189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5840e2c34f92f00628d48968dfea096d36381f494cbStephen Hines Stmt *body_front() { return !body_empty() ? Body[0] : nullptr; } 5856bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Stmt *body_back() { return !body_empty() ? Body[size()-1] : nullptr; } 586ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5878e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5888e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5898e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5908e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 593651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines typedef llvm::iterator_range<const_body_iterator> body_const_range; 594651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 595651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines body_const_range body() const { 596651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return body_const_range(body_begin(), body_end()); 597651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 5988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5998e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 6000e2c34f92f00628d48968dfea096d36381f494cbStephen Hines const Stmt *body_front() const { 6010e2c34f92f00628d48968dfea096d36381f494cbStephen Hines return !body_empty() ? Body[0] : nullptr; 6020e2c34f92f00628d48968dfea096d36381f494cbStephen Hines } 6036bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const Stmt *body_back() const { 6046bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return !body_empty() ? Body[size() - 1] : nullptr; 6056bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 6068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 6078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 6088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 6098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 6108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 6128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 6138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6144ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 6158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 6168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 6174ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 6188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 6198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 6208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 6238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 6248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 626176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation getLocStart() const LLVM_READONLY { return LBraceLoc; } 627176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation getLocEnd() const LLVM_READONLY { return RBraceLoc; } 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 629176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation getLBracLoc() const { return LBraceLoc; } 630176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation getRBracLoc() const { return RBraceLoc; } 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 63763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 638651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return child_range(Body, Body + CompoundStmtBits.NumStmts); 63963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 640ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6418ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 64287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return const_child_range(child_iterator(Body), 64387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar child_iterator(Body + CompoundStmtBits.NumStmts)); 6448ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 647c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 648c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 649103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 650c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 651c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 652c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 65381cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation KeywordLoc; 65481cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation ColonLoc; 65581cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis 65681cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SwitchCase(StmtClass SC, SourceLocation KWLoc, SourceLocation ColonLoc) 6576bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : Stmt(SC), NextSwitchCase(nullptr), KeywordLoc(KWLoc), ColonLoc(ColonLoc) { 6586bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 659103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 66081cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SwitchCase(StmtClass SC, EmptyShell) 6616bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines : Stmt(SC), NextSwitchCase(nullptr) {} 6621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 663c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 664c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 665c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 666c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 667c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 668c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 669d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 67081cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getKeywordLoc() const { return KeywordLoc; } 67181cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis void setKeywordLoc(SourceLocation L) { KeywordLoc = L; } 67281cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getColonLoc() const { return ColonLoc; } 67381cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis void setColonLoc(SourceLocation L) { ColonLoc = L; } 67481cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis 67563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 676702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 677702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 678702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 679b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 68081cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; } 68181cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getLocEnd() const LLVM_READONLY; 6821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 68563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 686c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 687c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 688c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 689c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 69058878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar SourceLocation EllipsisLoc; 6910a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 693d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 695dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 69781cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis : SwitchCase(CaseStmtClass, caseLoc, colonLoc) { 6986bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines SubExprs[SUBSTMT] = nullptr; 699d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 700d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 701dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 702d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 703025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 704025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 70581cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass, Empty) { } 706025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 70781cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getCaseLoc() const { return KeywordLoc; } 70881cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis void setCaseLoc(SourceLocation L) { KeywordLoc = L; } 709dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 710dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 711dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 712dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 713025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 714d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 715d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 716d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 717025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 72051b09f2c528c8460b5465c676173324e44176d62Devang Patel } 7211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 7221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 72351b09f2c528c8460b5465c676173324e44176d62Devang Patel } 72451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 72620dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 72720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 72820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 7291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73081cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; } 73165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 7323fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 7333fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 73491ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 7353fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 7361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return CS->getSubStmt()->getLocEnd(); 738b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 73965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 744d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 74563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 74663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 74763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 750c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 751d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 75481cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SwitchCase(DefaultStmtClass, DL, CL), SubStmt(substmt) {} 755025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 756025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 75781cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis explicit DefaultStmt(EmptyShell Empty) 75881cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis : SwitchCase(DefaultStmtClass, Empty) { } 759025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 760d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 76151b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 762025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 763025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 76481cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getDefaultLoc() const { return KeywordLoc; } 76581cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis void setDefaultLoc(SourceLocation L) { KeywordLoc = L; } 766dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 767dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 76981cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; } 77065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();} 77165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 776d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 77763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 78081cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidisinline SourceLocation SwitchCase::getLocEnd() const { 78181cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis if (const CaseStmt *CS = dyn_cast<CaseStmt>(this)) 78281cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis return CS->getLocEnd(); 78381cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis return cast<DefaultStmt>(this)->getLocEnd(); 78481cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis} 785ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 786ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 787ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 788ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 79058878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar SourceLocation IdentLoc; 791ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 79358878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 795ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 79658878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar : Stmt(LabelStmtClass), IdentLoc(IL), TheDecl(D), SubStmt(substmt) { 79758878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar static_assert(sizeof(LabelStmt) == 79858878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar 2 * sizeof(SourceLocation) + 2 * sizeof(void *), 79958878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar "LabelStmt too big"); 8008e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 8011de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 8021de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 8031de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 806ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 807ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 813b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 81465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return IdentLoc; } 81565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();} 81665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 81763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 81863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 825534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// \brief Represents an attribute applied to a statement. 826534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 827534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// Represents an attribute applied to a statement. For example: 828534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// [[omp::for(...)]] for (...) { ... } 829534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 830534986f2b21e6050bf00163cd6423fd92155a6edRichard Smithclass AttributedStmt : public Stmt { 831534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *SubStmt; 832534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation AttrLoc; 8334990890fc9428f98bef90ba349203a648c592778Alexander Kornienko unsigned NumAttrs; 834534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 835534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith friend class ASTStmtReader; 836534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8374990890fc9428f98bef90ba349203a648c592778Alexander Kornienko AttributedStmt(SourceLocation Loc, ArrayRef<const Attr*> Attrs, Stmt *SubStmt) 8384990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass), SubStmt(SubStmt), AttrLoc(Loc), 8394990890fc9428f98bef90ba349203a648c592778Alexander Kornienko NumAttrs(Attrs.size()) { 84087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar std::copy(Attrs.begin(), Attrs.end(), getAttrArrayPtr()); 841534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 842534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8434990890fc9428f98bef90ba349203a648c592778Alexander Kornienko explicit AttributedStmt(EmptyShell Empty, unsigned NumAttrs) 8444990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass, Empty), NumAttrs(NumAttrs) { 84587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar std::fill_n(getAttrArrayPtr(), NumAttrs, nullptr); 8466bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 8476bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 84887d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const Attr *const *getAttrArrayPtr() const { 84987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return reinterpret_cast<const Attr *const *>(this + 1); 85087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 85187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const Attr **getAttrArrayPtr() { 85287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return reinterpret_cast<const Attr **>(this + 1); 853534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 854534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8554990890fc9428f98bef90ba349203a648c592778Alexander Kornienkopublic: 8560b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper static AttributedStmt *Create(const ASTContext &C, SourceLocation Loc, 8574990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> Attrs, Stmt *SubStmt); 8584990890fc9428f98bef90ba349203a648c592778Alexander Kornienko // \brief Build an empty attributed statement. 8590b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper static AttributedStmt *CreateEmpty(const ASTContext &C, unsigned NumAttrs); 8604990890fc9428f98bef90ba349203a648c592778Alexander Kornienko 861534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation getAttrLoc() const { return AttrLoc; } 8624990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> getAttrs() const { 863176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return llvm::makeArrayRef(getAttrArrayPtr(), NumAttrs); 8644990890fc9428f98bef90ba349203a648c592778Alexander Kornienko } 865534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *getSubStmt() { return SubStmt; } 866534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith const Stmt *getSubStmt() const { return SubStmt; } 867534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 86865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return AttrLoc; } 86965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();} 87065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 871534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith child_range children() { return child_range(&SubStmt, &SubStmt + 1); } 872534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 873534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const Stmt *T) { 874534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return T->getStmtClass() == AttributedStmtClass; 875534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 876534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith}; 877534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 878534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 8824967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar enum { INIT, VAR, COND, THEN, ELSE, END_EXPR }; 8838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 8848cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 885b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 886d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 887ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8894967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar IfStmt(const ASTContext &C, SourceLocation IL, 8904967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar bool IsConstexpr, Stmt *init, VarDecl *var, Expr *cond, 8916bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Stmt *then, SourceLocation EL = SourceLocation(), 8926bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Stmt *elsev = nullptr); 893ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 894025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 895025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 896025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 8978cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 8988cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 8998cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 9008cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 9018cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 9028cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 9038cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 9048cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 90543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 9060b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper void setConditionVariable(const ASTContext &C, VarDecl *V); 907ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 908d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 909d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 910d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 911d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 912d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 913ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 9144967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar Stmt *getInit() { return SubExprs[INIT]; } 9154967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar const Stmt *getInit() const { return SubExprs[INIT]; } 9164967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar void setInit(Stmt *S) { SubExprs[INIT] = S; } 9178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 918025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 9198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 9218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 922025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 9235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 9268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 927b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 928025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 929025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 930d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 931d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 932025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 9334967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar bool isConstexpr() const { return IfStmtBits.IsConstexpr; } 9344967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar void setConstexpr(bool C) { IfStmtBits.IsConstexpr = C; } 9354967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 93665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return IfLoc; } 93765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 938b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 93965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExprs[ELSE]->getLocEnd(); 940b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 94165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExprs[THEN]->getLocEnd(); 942b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 94463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 94563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 94663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 94763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 94863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 94963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 9525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 95858878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar SourceLocation SwitchLoc; 9594967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar enum { INIT, VAR, COND, BODY, END_EXPR }; 9601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 96158878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar // This points to a linked list of case and default statements and, if the 96258878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar // SwitchStmt is a switch on an enum value, records whether all the enum 96358878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar // values were covered by CaseStmts. The coverage information value is meant 96458878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar // to be a hint for possible clients. 96558878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar llvm::PointerIntPair<SwitchCase *, 1, bool> FirstCase; 966559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9684967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar SwitchStmt(const ASTContext &C, Stmt *Init, VarDecl *Var, Expr *cond); 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 970025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 971025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 972025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 973d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 974d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 975d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 976d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 977d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 978d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 979d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 980d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 981d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 98243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 9830b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper void setConditionVariable(const ASTContext &C, VarDecl *V); 984ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 985d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 986d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 987d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 988d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 989d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 990d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 9914967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar Stmt *getInit() { return SubExprs[INIT]; } 9924967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar const Stmt *getInit() const { return SubExprs[INIT]; } 9934967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar void setInit(Stmt *S) { SubExprs[INIT] = S; } 9948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 99658878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar const SwitchCase *getSwitchCaseList() const { return FirstCase.getPointer(); } 997c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 999025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 10008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 1001025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 100258878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar SwitchCase *getSwitchCaseList() { return FirstCase.getPointer(); } 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 100443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 100558878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar void setSwitchCaseList(SwitchCase *SC) { FirstCase.setPointer(SC); } 1006025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1007025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 1008025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 1009c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 10129dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 10131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 1014c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 1015ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 1016ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 101758878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar SC->setNextSwitchCase(FirstCase.getPointer()); 101858878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar FirstCase.setPointer(SC); 1019c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 1020559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 1021559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 1022559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 102358878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar void setAllEnumCasesCovered() { FirstCase.setInt(true); } 1024559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 1025559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 1026559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 102758878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar bool isAllEnumCasesCovered() const { return FirstCase.getInt(); } 1028559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 102965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return SwitchLoc; } 103065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 10310e2c34f92f00628d48968dfea096d36381f494cbStephen Hines return SubExprs[BODY] ? SubExprs[BODY]->getLocEnd() : SubExprs[COND]->getLocEnd(); 10329dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 103365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 103463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 103563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 103663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 103763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 103863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 10465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 104858878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar SourceLocation WhileLoc; 104943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 10508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10520b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper WhileStmt(const ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 105343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1055d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 1056d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 1057d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10585656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 10595656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 10605656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 10615656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 10625656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 10635656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 10645656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 10655656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 106643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 10670b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper void setConditionVariable(const ASTContext &C, VarDecl *V); 10685656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 1069d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 1070d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1071d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1072d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 1073d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1074d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 1077d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1080d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 1081d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1082d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 1083d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1084b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 108565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return WhileLoc; } 108665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 108765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExprs[BODY]->getLocEnd(); 1088b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 108965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 109563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 109663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 109763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 110358878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar SourceLocation DoLoc; 1104c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 11058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 11069f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 1107989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 11089f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1110989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 1111989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 1112989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 11138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 11148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 111667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 111767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 111867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 112267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 11238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 112567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 112667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 112767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 112867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 11299f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 11309f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1131b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1132989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 1133989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1134989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 113565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return DoLoc; } 113665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 113765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 114363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 114463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 114563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 115458878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar SourceLocation ForLoc; 115543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 11568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 11575831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 11585831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11600b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper ForStmt(const ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, 11610b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper Expr *Inc, Stmt *Body, SourceLocation FL, SourceLocation LP, 11620b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper SourceLocation RP); 11631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 116467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 116567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 116667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 11678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1168ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 116999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 117099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 117199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 117299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 117399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 117499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 117599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 117699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 117743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 11780b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper void setConditionVariable(const ASTContext &C, VarDecl *V); 1179ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1180d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1181d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1182d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1183d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1184d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1185d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 11868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 11918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 11928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1194b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 119567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 119667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 119767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 119867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 119967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 120067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 120167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 12025831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 12035831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 12045831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 12055831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 120667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 120765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return ForLoc; } 120865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 120965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExprs[BODY]->getLocEnd(); 1210b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 121165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 121763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 121863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 121963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1225ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1226507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 122761f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 12285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1229ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 123061f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 12311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12321de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 12331de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 12341de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1235ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1236ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 12371de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 12381de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 12391de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 12401de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 12411de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1242b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 124365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; } 124465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return LabelLoc; } 124565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 12461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 12485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 125187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar child_range children() { 125287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return child_range(child_iterator(), child_iterator()); 125387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 12545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1259ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 12605f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 12611060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 12645f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 12655f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 12665f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 12677d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 12687d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 12707d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1272ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1273ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 12745f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 12755f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 12761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 127795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 127895c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 12797d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1280b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 128195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 128295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1283ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1284ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 128595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 128695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 128795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 128865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; } 128965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Target->getLocEnd(); } 12901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 129663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 12975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 13015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1303507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 13045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1305507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1307d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1308d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1309d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1310d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1311d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1312d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 131365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return ContinueLoc; } 131465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return ContinueLoc; } 1315861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 13185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 132187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar child_range children() { 132287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return child_range(child_iterator(), child_iterator()); 132387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 13245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 13275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1329507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 133058878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar 13315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 133258878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) { 133358878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar static_assert(sizeof(BreakStmt) == 2 * sizeof(SourceLocation), 133458878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar "BreakStmt too large"); 133558878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar } 13361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1337025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1338025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1339025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1340025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1341025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1342025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 134365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return BreakLoc; } 134465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return BreakLoc; } 1345b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 13485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 135187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar child_range children() { 135287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return child_range(child_iterator(), child_iterator()); 135387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1357c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1358c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1359c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1360c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1361c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1362c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1363c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1364c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 13655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 1367507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 136858878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar Stmt *RetExpr; 13695077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1370ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 137258878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar explicit ReturnStmt(SourceLocation RL) : ReturnStmt(RL, nullptr, nullptr) {} 13735077c3876beeaed32280af88244e8050078619a8Douglas Gregor 13745077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 137558878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar : Stmt(ReturnStmtClass), RetLoc(RL), RetExpr((Stmt *)E), 137658878f85ab89b13e9eea4af3ccf055e42c557bc8Pirama Arumuga Nainar NRVOCandidate(NRVOCandidate) {} 13770de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13780de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 13790de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 13800de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13811060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 13821060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 13830de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 13840de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13850de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 13860de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1387b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13885077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 13895077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 13905077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 13915077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 13925077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 13935077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 13945077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1395ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 139665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return RetLoc; } 139765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 139865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return RetExpr ? RetExpr->getLocEnd() : RetLoc; 139965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 14001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 14021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 140663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 140763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 140887d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return child_range(child_iterator(), child_iterator()); 140963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 14105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1412728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier/// AsmStmt is the base class for GCCAsmStmt and MSAsmStmt. 1413728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier/// 1414728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass AsmStmt : public Stmt { 1415728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierprotected: 1416066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation AsmLoc; 141712b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// \brief True if the assembly statement does not have any input or output 141812b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// operands. 1419728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool IsSimple; 142012b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier 142112b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// \brief If true, treat this inline assembly as having side effects. 142212b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// This assembly statement should not be optimized, deleted or moved. 1423728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool IsVolatile; 1424728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1425066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumOutputs; 1426066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumInputs; 1427066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumClobbers; 1428066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 142919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier Stmt **Exprs; 1430066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1431066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier AsmStmt(StmtClass SC, SourceLocation asmloc, bool issimple, bool isvolatile, 1432066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned numoutputs, unsigned numinputs, unsigned numclobbers) : 1433066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier Stmt (SC), AsmLoc(asmloc), IsSimple(issimple), IsVolatile(isvolatile), 1434066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier NumOutputs(numoutputs), NumInputs(numinputs), NumClobbers(numclobbers) { } 1435728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1436aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall friend class ASTStmtReader; 1437aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1438728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierpublic: 1439728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier /// \brief Build an empty inline-assembly statement. 1440728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit AsmStmt(StmtClass SC, EmptyShell Empty) : 14416bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Stmt(SC, Empty), Exprs(nullptr) { } 144229760b452876548f59804e8c02c3276bc7281d5dMatt Beaumont-Gay 1443066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation getAsmLoc() const { return AsmLoc; } 1444066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1445728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1446728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool isSimple() const { return IsSimple; } 1447728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier void setSimple(bool V) { IsSimple = V; } 1448728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1449728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool isVolatile() const { return IsVolatile; } 1450728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier void setVolatile(bool V) { IsVolatile = V; } 1451728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 145265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); } 145365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); } 1454728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1455da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier //===--- Asm String Analysis ---===// 1456da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 1457da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 14588b4b98b7cb18cc4a99cca0aefa515cc8756dc06dCraig Topper std::string generateAsmString(const ASTContext &C) const; 1459da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 1460066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Output operands ---===// 1461066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1462066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned getNumOutputs() const { return NumOutputs; } 1463066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1464c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getOutputConstraint - Return the constraint string for the specified 1465c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// output operand. All output constraints are known to be non-empty (either 1466c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// '=' or '+'). 1467aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getOutputConstraint(unsigned i) const; 1468c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1469c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// isOutputPlusConstraint - Return true if the specified output constraint 1470c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// is a "+" constraint (which is both an input and an output) or false if it 1471c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// is an "=" constraint (just an output). 1472c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier bool isOutputPlusConstraint(unsigned i) const { 1473c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier return getOutputConstraint(i)[0] == '+'; 1474c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier } 1475c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1476aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier const Expr *getOutputExpr(unsigned i) const; 1477c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1478c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getNumPlusOperands - Return the number of output operands that have a "+" 1479c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// constraint. 1480c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier unsigned getNumPlusOperands() const; 1481c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1482066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Input operands ---===// 1483066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1484066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned getNumInputs() const { return NumInputs; } 1485066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1486c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getInputConstraint - Return the specified input constraint. Unlike output 1487c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// constraints, these can be empty. 1488aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getInputConstraint(unsigned i) const; 1489aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier 1490aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier const Expr *getInputExpr(unsigned i) const; 1491c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1492066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Other ---===// 1493066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 14942fd559f041d49863a7396d9e330bc9dae95ac8c4Chad Rosier unsigned getNumClobbers() const { return NumClobbers; } 1495aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getClobber(unsigned i) const; 14962fd559f041d49863a7396d9e330bc9dae95ac8c4Chad Rosier 1497728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier static bool classof(const Stmt *T) { 1498728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier return T->getStmtClass() == GCCAsmStmtClass || 1499728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier T->getStmtClass() == MSAsmStmtClass; 1500728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier } 150119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 150219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier // Input expr iterators. 150319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 150419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ExprIterator inputs_iterator; 150519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ConstExprIterator const_inputs_iterator; 1506c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines typedef llvm::iterator_range<inputs_iterator> inputs_range; 1507c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines typedef llvm::iterator_range<const_inputs_iterator> inputs_const_range; 150819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 150919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier inputs_iterator begin_inputs() { 151019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 151119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 151219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 151319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier inputs_iterator end_inputs() { 151419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs + NumInputs; 151519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 151619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 1517c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines inputs_range inputs() { return inputs_range(begin_inputs(), end_inputs()); } 1518c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 151919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_inputs_iterator begin_inputs() const { 152019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 152119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 152219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 152319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_inputs_iterator end_inputs() const { 152419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs + NumInputs; 152519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 152619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 1527c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines inputs_const_range inputs() const { 1528c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return inputs_const_range(begin_inputs(), end_inputs()); 1529c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } 1530c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 153119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier // Output expr iterators. 153219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 153319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ExprIterator outputs_iterator; 153419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ConstExprIterator const_outputs_iterator; 1535c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines typedef llvm::iterator_range<outputs_iterator> outputs_range; 1536c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines typedef llvm::iterator_range<const_outputs_iterator> outputs_const_range; 153719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 153819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier outputs_iterator begin_outputs() { 153919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0]; 154019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 154119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier outputs_iterator end_outputs() { 154219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 154319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 1544c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines outputs_range outputs() { 1545c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return outputs_range(begin_outputs(), end_outputs()); 1546c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } 154719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 154819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_outputs_iterator begin_outputs() const { 154919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0]; 155019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 155119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_outputs_iterator end_outputs() const { 155219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 155319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 1554c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines outputs_const_range outputs() const { 1555c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return outputs_const_range(begin_outputs(), end_outputs()); 1556c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } 155719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 155819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier child_range children() { 155919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 156019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 1561728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier}; 1562728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 15637d2c5ca9c3dad400f66aca58eebef321c04cf57eChad Rosier/// This represents a GCC inline-assembly statement extension. 1564fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1565728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass GCCAsmStmt : public AsmStmt { 1566066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation RParenLoc; 15676a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1568b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1569966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1570966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1571966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1572aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall IdentifierInfo **Names; 1573aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1574aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall friend class ASTStmtReader; 1575ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1576fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 15770b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper GCCAsmStmt(const ASTContext &C, SourceLocation asmloc, bool issimple, 1578df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier bool isvolatile, unsigned numoutputs, unsigned numinputs, 1579df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier IdentifierInfo **names, StringLiteral **constraints, Expr **exprs, 1580df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier StringLiteral *asmstr, unsigned numclobbers, 1581df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier StringLiteral **clobbers, SourceLocation rparenloc); 1582b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1583cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1584728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit GCCAsmStmt(EmptyShell Empty) : AsmStmt(GCCAsmStmtClass, Empty), 15856bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Constraints(nullptr), Clobbers(nullptr), Names(nullptr) { } 1586cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1587cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1588cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1589cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1590458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1591458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1592458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1593458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1594cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1595cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1596458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1597458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1598458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1599458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1600458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1601458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1602458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1603458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1604458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1605458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1606458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1607458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1608458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1609176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 1610176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines // Source range for operand references. 1611176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines CharSourceRange Range; 1612458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1613458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1614176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines AsmStringPiece(unsigned OpNo, const std::string &S, SourceLocation Begin, 1615176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines SourceLocation End) 1616176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines : MyKind(Operand), Str(S), OperandNo(OpNo), 1617176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines Range(CharSourceRange::getCharRange(Begin, End)) { 1618458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 16191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1620458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1621458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 16221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1623458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1624458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1625458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1626458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1627458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1628458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1629458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1630458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 16311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1632176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines CharSourceRange getRange() const { 1633176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines assert(isOperand() && "Range is currently used only for Operands."); 1634176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return Range; 1635176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 1636176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 1637458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1638458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1639176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines char getModifier() const; 1640458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 16411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1642458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1643458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1644458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1645458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 16461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1647686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 16488b4b98b7cb18cc4a99cca0aefa515cc8756dc06dCraig Topper const ASTContext &C, unsigned &DiagOffs) const; 16491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1650da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 16518b4b98b7cb18cc4a99cca0aefa515cc8756dc06dCraig Topper std::string generateAsmString(const ASTContext &C) const; 16521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1653b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1654b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1655aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall IdentifierInfo *getOutputIdentifier(unsigned i) const { 1656aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return Names[i]; 1657aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1658aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1659aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef getOutputName(unsigned i) const { 1660aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall if (IdentifierInfo *II = getOutputIdentifier(i)) 1661aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return II->getName(); 1662aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1663aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return StringRef(); 1664aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1665aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1666686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 16671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1668b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1669ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1670ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1671b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1672b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1673b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 16741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1675ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 16761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1677b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1678df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return const_cast<GCCAsmStmt*>(this)->getOutputExpr(i); 1679b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 16801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1681b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 16821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1683aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall IdentifierInfo *getInputIdentifier(unsigned i) const { 1684aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return Names[i + NumOutputs]; 1685aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1686aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1687aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef getInputName(unsigned i) const { 1688aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall if (IdentifierInfo *II = getInputIdentifier(i)) 1689aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return II->getName(); 1690aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1691aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return StringRef(); 1692aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1693aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1694686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 16951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1696b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1697ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1698ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1699b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1700ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1701ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 17021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1703ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1704935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1705ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1706b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1707df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return const_cast<GCCAsmStmt*>(this)->getInputExpr(i); 1708b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1709cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1710aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCallprivate: 17118b4b98b7cb18cc4a99cca0aefa515cc8756dc06dCraig Topper void setOutputsAndInputsAndClobbers(const ASTContext &C, 1712ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1713fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1714fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1715fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1716ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1717fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1718fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1719aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCallpublic: 1720cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 172110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 17221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 172310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 172410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 172510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1726686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 172710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 172833f0558f75f70061707d1388e305b8f92f4e55deChad Rosier StringRef getClobber(unsigned i) const; 17295c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier StringLiteral *getClobberStringLiteral(unsigned i) { return Clobbers[i]; } 17305c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier const StringLiteral *getClobberStringLiteral(unsigned i) const { 17315c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier return Clobbers[i]; 17325c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier } 1733cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 173465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; } 173565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 17361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1737df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier static bool classof(const Stmt *T) { 1738df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return T->getStmtClass() == GCCAsmStmtClass; 1739df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier } 1740fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 174178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 17427d2c5ca9c3dad400f66aca58eebef321c04cf57eChad Rosier/// This represents a Microsoft inline-assembly statement extension. 17438cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier/// 1744728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass MSAsmStmt : public AsmStmt { 1745c4cca7b2408bdfd99ea0f63fec1421c1327593b2Enea Zaffanella SourceLocation LBraceLoc, EndLoc; 1746aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef AsmStr; 17478cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 174879efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier unsigned NumAsmToks; 174979efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier 175079efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier Token *AsmToks; 175189fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef *Constraints; 175233c72e1c0bbb477cf36dd7becd933b860c42ed8cChad Rosier StringRef *Clobbers; 17538cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1754aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall friend class ASTStmtReader; 1755aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 17568cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosierpublic: 17570b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper MSAsmStmt(const ASTContext &C, SourceLocation asmloc, 17580b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper SourceLocation lbraceloc, bool issimple, bool isvolatile, 17590b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper ArrayRef<Token> asmtoks, unsigned numoutputs, unsigned numinputs, 1760aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<StringRef> constraints, 1761e54cba1ec0b0e498ee67d200289035797932e714Chad Rosier ArrayRef<Expr*> exprs, StringRef asmstr, 176289fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier ArrayRef<StringRef> clobbers, SourceLocation endloc); 17638cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1764cd518a0ebc7c0a6aa41d717c360462540ef80a76Chad Rosier /// \brief Build an empty MS-style inline-assembly statement. 1765728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit MSAsmStmt(EmptyShell Empty) : AsmStmt(MSAsmStmtClass, Empty), 17666bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines NumAsmToks(0), AsmToks(nullptr), Constraints(nullptr), Clobbers(nullptr) { } 1767cd518a0ebc7c0a6aa41d717c360462540ef80a76Chad Rosier 17687bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier SourceLocation getLBraceLoc() const { return LBraceLoc; } 17697bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier void setLBraceLoc(SourceLocation L) { LBraceLoc = L; } 17708cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation getEndLoc() const { return EndLoc; } 17718cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setEndLoc(SourceLocation L) { EndLoc = L; } 17728cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 17737bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier bool hasBraces() const { return LBraceLoc.isValid(); } 17747bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier 177579efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier unsigned getNumAsmToks() { return NumAsmToks; } 177679efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier Token *getAsmToks() { return AsmToks; } 17778f726de55412870ef70e788b852c6cc50873e15bChad Rosier 17788cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Asm String Analysis ---===// 1779aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef getAsmString() const { return AsmStr; } 17808cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1781da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 17828b4b98b7cb18cc4a99cca0aefa515cc8756dc06dCraig Topper std::string generateAsmString(const ASTContext &C) const; 1783da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 17842603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier //===--- Output operands ---===// 17852603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 178689fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef getOutputConstraint(unsigned i) const { 1787aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall assert(i < NumOutputs); 178889fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier return Constraints[i]; 178989fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier } 1790c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1791633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier Expr *getOutputExpr(unsigned i); 1792633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier 17932603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier const Expr *getOutputExpr(unsigned i) const { 17942603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier return const_cast<MSAsmStmt*>(this)->getOutputExpr(i); 17952603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier } 17962603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 17972603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier //===--- Input operands ---===// 17982603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 179989fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef getInputConstraint(unsigned i) const { 1800aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall assert(i < NumInputs); 180189fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier return Constraints[i + NumOutputs]; 180289fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier } 1803c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1804633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier Expr *getInputExpr(unsigned i); 1805633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier void setInputExpr(unsigned i, Expr *E); 1806633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier 18072603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier const Expr *getInputExpr(unsigned i) const { 18082603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier return const_cast<MSAsmStmt*>(this)->getInputExpr(i); 18092603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier } 18102603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 18118cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Other ---===// 18128cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1813aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<StringRef> getAllConstraints() const { 1814176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return llvm::makeArrayRef(Constraints, NumInputs + NumOutputs); 1815aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1816aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<StringRef> getClobbers() const { 1817176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return llvm::makeArrayRef(Clobbers, NumClobbers); 1818aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1819aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<Expr*> getAllExprs() const { 1820176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return llvm::makeArrayRef(reinterpret_cast<Expr**>(Exprs), 1821176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines NumInputs + NumOutputs); 1822aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1823aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1824aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef getClobber(unsigned i) const { return getClobbers()[i]; } 1825aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1826aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCallprivate: 18270b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper void initialize(const ASTContext &C, StringRef AsmString, 18280b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper ArrayRef<Token> AsmToks, ArrayRef<StringRef> Constraints, 18290b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper ArrayRef<Expr*> Exprs, ArrayRef<StringRef> Clobbers); 1830aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCallpublic: 18314399ea9d473365224d9e4db0cd94aab849eb59b7Chad Rosier 183265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; } 183365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; } 183465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 18358cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier static bool classof(const Stmt *T) { 18368cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return T->getStmtClass() == MSAsmStmtClass; 18378cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 18388cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 18398cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier child_range children() { 1840651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return child_range(&Exprs[0], &Exprs[NumInputs + NumOutputs]); 18418cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 18428cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier}; 18438cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 184428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 184528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 184628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 184728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 184828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 184928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 185028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 185128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 185228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 185328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 18547110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 18557110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 18567110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 18577110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 185828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 18590b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper static SEHExceptStmt* Create(const ASTContext &C, 186028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 186128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 186228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 186365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 186465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return getExceptLoc(); } 186565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); } 186628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 186728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 186828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 186928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1870ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1871ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1872ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1873ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1874ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1875cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko return cast<CompoundStmt>(Children[BLOCK]); 1876ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 187728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 187828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 187928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 188028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 188128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 188228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 188328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 188428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 188528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 188628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 188728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 188828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 188928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 189028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 189128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 189228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 189328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 189428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 18957110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 18967110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 18977110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 18987110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 189928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 19000b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper static SEHFinallyStmt* Create(const ASTContext &C, 190128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 190228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 190328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 190465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return getFinallyLoc(); } 190565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); } 190628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 190728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 190828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 190928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1910cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko CompoundStmt *getBlock() const { return cast<CompoundStmt>(Block); } 191128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 191228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 191328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 191428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 191528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 191628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 191728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 191828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 191928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 192028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 192128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 192228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 192328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 192428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 192528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 192628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 192728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 192828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 192928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 193028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 193128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 193228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 193328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 19347110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 19357110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 19367110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 19377110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 193828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 19390b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper static SEHTryStmt* Create(const ASTContext &C, bool isCXXTry, 19400b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper SourceLocation TryLoc, Stmt *TryBlock, 194128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 194228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 194365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return getTryLoc(); } 194465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); } 194528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 194628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 194728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 194828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 194928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1950ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1951ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1952cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko return cast<CompoundStmt>(Children[TRY]); 1953ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1954ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 195528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 195628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 195728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 195828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 195928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 196028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 196128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 196228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 196328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 196428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 196528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 196628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 196728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 196828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1969ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1970c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines/// Represents a __leave statement. 1971c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines/// 1972c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hinesclass SEHLeaveStmt : public Stmt { 1973c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines SourceLocation LeaveLoc; 1974c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hinespublic: 1975c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines explicit SEHLeaveStmt(SourceLocation LL) 1976c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines : Stmt(SEHLeaveStmtClass), LeaveLoc(LL) {} 1977c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 1978c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines /// \brief Build an empty __leave statement. 1979c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines explicit SEHLeaveStmt(EmptyShell Empty) : Stmt(SEHLeaveStmtClass, Empty) { } 1980c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 1981c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines SourceLocation getLeaveLoc() const { return LeaveLoc; } 1982c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines void setLeaveLoc(SourceLocation L) { LeaveLoc = L; } 1983c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 1984c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines SourceLocation getLocStart() const LLVM_READONLY { return LeaveLoc; } 1985c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines SourceLocation getLocEnd() const LLVM_READONLY { return LeaveLoc; } 1986c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 1987c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines static bool classof(const Stmt *T) { 1988c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines return T->getStmtClass() == SEHLeaveStmtClass; 1989c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines } 1990c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 1991c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines // Iterators 199287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar child_range children() { 199387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return child_range(child_iterator(), child_iterator()); 199487d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 1995c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines}; 1996c568f1e98938584c0ef0b12ae5018ff7d90a4072Stephen Hines 1997051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// \brief This captures a statement into a function. For example, the following 1998051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// pragma annotated compound statement can be represented as a CapturedStmt, 1999051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// and this compound statement is the body of an anonymous outlined function. 2000051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// @code 2001051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// #pragma omp parallel 2002051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// { 2003051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// compute(); 2004051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// } 2005051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// @endcode 2006051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Sirajclass CapturedStmt : public Stmt { 2007051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Sirajpublic: 2008176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines /// \brief The different capture forms: by 'this', by reference, capture for 2009176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines /// variable-length array type etc. 2010051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj enum VariableCaptureKind { 2011051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj VCK_This, 2012176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines VCK_ByRef, 201387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar VCK_ByCopy, 2014176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines VCK_VLAType, 2015051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj }; 2016051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2017176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines /// \brief Describes the capture of either a variable, or 'this', or 2018176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines /// variable-length array type. 2019051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj class Capture { 2020176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines llvm::PointerIntPair<VarDecl *, 2, VariableCaptureKind> VarAndKind; 2021051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceLocation Loc; 2022051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2023051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj public: 2024051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Create a new capture. 2025051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 2026051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \param Loc The source location associated with this capture. 2027051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 2028051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \param Kind The kind of capture (this, ByRef, ...). 2029051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 2030051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \param Var The variable being captured, or null if capturing this. 2031051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 20326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines Capture(SourceLocation Loc, VariableCaptureKind Kind, 203387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar VarDecl *Var = nullptr); 2034051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2035051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Determine the kind of capture. 20364967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar VariableCaptureKind getCaptureKind() const; 2037051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2038051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the source location at which the variable or 'this' was 2039051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// first used. 2040051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceLocation getLocation() const { return Loc; } 2041051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2042051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Determine whether this capture handles the C++ 'this' pointer. 20433a2f91280a49f4747063f983dc6a3296bd9359d2Ben Langmuir bool capturesThis() const { return getCaptureKind() == VCK_This; } 2044051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 204587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar /// \brief Determine whether this capture handles a variable (by reference). 2046176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines bool capturesVariable() const { return getCaptureKind() == VCK_ByRef; } 2047176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 204887d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar /// \brief Determine whether this capture handles a variable by copy. 204987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar bool capturesVariableByCopy() const { 205087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return getCaptureKind() == VCK_ByCopy; 205187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 205287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 2053176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines /// \brief Determine whether this capture handles a variable-length array 2054176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines /// type. 2055176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines bool capturesVariableArrayType() const { 2056176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines return getCaptureKind() == VCK_VLAType; 2057176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines } 2058051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2059051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the declaration of the variable being captured. 2060051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 2061176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines /// This operation is only valid if this capture captures a variable. 20624967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar VarDecl *getCapturedVar() const; 20634967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 2064dc5be4f54d6415cb88b2f8a7c5bc9011e332b9b8Ben Langmuir friend class ASTStmtReader; 2065051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj }; 2066051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2067051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Sirajprivate: 2068051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief The number of variable captured, including 'this'. 2069051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj unsigned NumCaptures; 2070051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 20719fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan /// \brief The pointer part is the implicit the outlined function and the 20729fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan /// int part is the captured region kind, 'CR_Default' etc. 20739fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan llvm::PointerIntPair<CapturedDecl *, 1, CapturedRegionKind> CapDeclAndKind; 2074051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2075051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief The record for captured variables, a RecordDecl or CXXRecordDecl. 2076051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj RecordDecl *TheRecordDecl; 2077051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2078051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Construct a captured statement. 20799fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan CapturedStmt(Stmt *S, CapturedRegionKind Kind, ArrayRef<Capture> Captures, 20809fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan ArrayRef<Expr *> CaptureInits, CapturedDecl *CD, RecordDecl *RD); 2081051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2082051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Construct an empty captured statement. 2083051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj CapturedStmt(EmptyShell Empty, unsigned NumCaptures); 2084051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 208587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar Stmt **getStoredStmts() { return reinterpret_cast<Stmt **>(this + 1); } 208687d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 208787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar Stmt *const *getStoredStmts() const { 208887d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return reinterpret_cast<Stmt *const *>(this + 1); 2089051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2090051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2091051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj Capture *getStoredCaptures() const; 2092051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2093dc5be4f54d6415cb88b2f8a7c5bc9011e332b9b8Ben Langmuir void setCapturedStmt(Stmt *S) { getStoredStmts()[NumCaptures] = S; } 2094dc5be4f54d6415cb88b2f8a7c5bc9011e332b9b8Ben Langmuir 2095051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Sirajpublic: 20960b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper static CapturedStmt *Create(const ASTContext &Context, Stmt *S, 20979fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan CapturedRegionKind Kind, 2098051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj ArrayRef<Capture> Captures, 2099051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj ArrayRef<Expr *> CaptureInits, 21006afcf8875d4e447645cd7bf3733dd8e2eb8455dcTareq A. Siraj CapturedDecl *CD, RecordDecl *RD); 2101051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 21020b861560d9b4b0eb2b36d0f32cc7819efe9ee5f2Craig Topper static CapturedStmt *CreateDeserialized(const ASTContext &Context, 2103051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj unsigned NumCaptures); 2104051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2105051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the statement being captured. 2106051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj Stmt *getCapturedStmt() { return getStoredStmts()[NumCaptures]; } 210787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const Stmt *getCapturedStmt() const { return getStoredStmts()[NumCaptures]; } 2108051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2109051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the outlined function declaration. 21104967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar CapturedDecl *getCapturedDecl(); 21114967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar const CapturedDecl *getCapturedDecl() const; 21129fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan 21139fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan /// \brief Set the outlined function declaration. 21144967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar void setCapturedDecl(CapturedDecl *D); 21159fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan 21169fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan /// \brief Retrieve the captured region kind. 21174967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar CapturedRegionKind getCapturedRegionKind() const; 21189fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan 21199fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan /// \brief Set the captured region kind. 21204967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar void setCapturedRegionKind(CapturedRegionKind Kind); 2121051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2122051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the record declaration for captured variables. 2123051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj const RecordDecl *getCapturedRecordDecl() const { return TheRecordDecl; } 2124051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 21259fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan /// \brief Set the record declaration for captured variables. 21269fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan void setCapturedRecordDecl(RecordDecl *D) { 21279fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan assert(D && "null RecordDecl"); 21289fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan TheRecordDecl = D; 21299fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan } 21309fd6b8f5a73788f288edd01fa99d434d1e6588adWei Pan 2131051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief True if this variable has been captured. 2132051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj bool capturesVariable(const VarDecl *Var) const; 2133051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2134051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief An iterator that walks over the captures. 2135dc5be4f54d6415cb88b2f8a7c5bc9011e332b9b8Ben Langmuir typedef Capture *capture_iterator; 2136dc5be4f54d6415cb88b2f8a7c5bc9011e332b9b8Ben Langmuir typedef const Capture *const_capture_iterator; 2137651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines typedef llvm::iterator_range<capture_iterator> capture_range; 2138651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines typedef llvm::iterator_range<const_capture_iterator> capture_const_range; 2139651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 2140651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines capture_range captures() { 2141651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return capture_range(capture_begin(), capture_end()); 2142651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 2143651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines capture_const_range captures() const { 2144651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return capture_const_range(capture_begin(), capture_end()); 2145651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 2146051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2147051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve an iterator pointing to the first capture. 2148dc5be4f54d6415cb88b2f8a7c5bc9011e332b9b8Ben Langmuir capture_iterator capture_begin() { return getStoredCaptures(); } 2149dc5be4f54d6415cb88b2f8a7c5bc9011e332b9b8Ben Langmuir const_capture_iterator capture_begin() const { return getStoredCaptures(); } 2150051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2151051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve an iterator pointing past the end of the sequence of 2152051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// captures. 2153051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj capture_iterator capture_end() const { 2154051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return getStoredCaptures() + NumCaptures; 2155051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2156051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2157051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the number of captures, including 'this'. 2158051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj unsigned capture_size() const { return NumCaptures; } 2159051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2160051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Iterator that walks over the capture initialization arguments. 2161051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj typedef Expr **capture_init_iterator; 2162651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines typedef llvm::iterator_range<capture_init_iterator> capture_init_range; 2163651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 216487d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar /// \brief Const iterator that walks over the capture initialization 216587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar /// arguments. 216687d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar typedef Expr *const *const_capture_init_iterator; 216787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar typedef llvm::iterator_range<const_capture_init_iterator> 216887d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const_capture_init_range; 216987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 217087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar capture_init_range capture_inits() { 2171651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines return capture_init_range(capture_init_begin(), capture_init_end()); 2172651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 2173051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 217487d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const_capture_init_range capture_inits() const { 217587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return const_capture_init_range(capture_init_begin(), capture_init_end()); 217687d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 217787d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 2178051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the first initialization argument. 217987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar capture_init_iterator capture_init_begin() { 2180051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return reinterpret_cast<Expr **>(getStoredStmts()); 2181051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2182051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 218387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const_capture_init_iterator capture_init_begin() const { 218487d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return reinterpret_cast<Expr *const *>(getStoredStmts()); 218587d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 218687d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 2187051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the iterator pointing one past the last initialization 2188051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// argument. 218987d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar capture_init_iterator capture_init_end() { 219087d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar return capture_init_begin() + NumCaptures; 219187d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar } 219287d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar 219387d948ecccffea9e9e37d0d053b246e2d6d6c47bPirama Arumuga Nainar const_capture_init_iterator capture_init_end() const { 2194051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return capture_init_begin() + NumCaptures; 2195051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2196051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2197051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceLocation getLocStart() const LLVM_READONLY { 2198051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return getCapturedStmt()->getLocStart(); 2199051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2200051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceLocation getLocEnd() const LLVM_READONLY { 2201051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return getCapturedStmt()->getLocEnd(); 2202051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2203051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceRange getSourceRange() const LLVM_READONLY { 2204051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return getCapturedStmt()->getSourceRange(); 2205051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2206051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2207051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj static bool classof(const Stmt *T) { 2208051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return T->getStmtClass() == CapturedStmtClass; 2209051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2210051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2211051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj child_range children(); 2212dc5be4f54d6415cb88b2f8a7c5bc9011e332b9b8Ben Langmuir 2213dc5be4f54d6415cb88b2f8a7c5bc9011e332b9b8Ben Langmuir friend class ASTStmtReader; 2214051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj}; 2215051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 22165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 22175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 2219