Stmt.h revision aeeacf725c9e0ddd64ea9764bd008e5b6873ce51
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" 192fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Basic/IdentifierTable.h" 202fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Basic/LLVM.h" 212fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Basic/SourceLocation.h" 222fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "llvm/ADT/ArrayRef.h" 233a2f91280a49f4747063f983dc6a3296bd9359d2Ben Langmuir#include "llvm/ADT/PointerIntPair.h" 24aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 25a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer#include "llvm/Support/ErrorHandling.h" 266e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 33e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 342fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class Attr; 356afcf8875d4e447645cd7bf3733dd8e2eb8455dcTareq A. Siraj class CapturedDecl; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 372fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class Expr; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 39478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class LabelDecl; 402fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class ParmVarDecl; 41a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer class PrinterHelper; 42a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer struct PrintingPolicy; 432fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class QualType; 44051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj class RecordDecl; 450c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 466a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 476c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 48a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer class Token; 49478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class VarDecl; 501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 55ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 75ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 801705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 821705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 851705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 861705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 92ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 93ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 94ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 97ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 98ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 99ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 1001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 106f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 107f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 1087381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1099a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1107381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1119a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1127381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1134bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1148e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 119b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be allocated with regular 'new'."); 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 122b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be released with regular 'delete'."); 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1418e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1428e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1438e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1448e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 145d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 149bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 150bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 151bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 152bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 153ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCArrayLiteral; // ctor 154ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCDictionaryLiteral; // ctor 155bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 156bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 157bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 158bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 159bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1604b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 161dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1628e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 165f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 168561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 169d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 171561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 173bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class CharacterLiteralBitfields { 174bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class CharacterLiteral; 175bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 176bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 177bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 178bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 179bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 1809ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover enum APFloatSemantics { 1819ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover IEEEhalf, 1829ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover IEEEsingle, 1839ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover IEEEdouble, 1849ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover x87DoubleExtended, 1859ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover IEEEquad, 1869ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover PPCDoubleDouble 1879ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover }; 1889ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover 189bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class FloatingLiteralBitfields { 190bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class FloatingLiteral; 191bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 192bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 1939ec55f24b8f848bb37a9971100cf2fca379d5572Tim Northover unsigned Semantics : 3; // Provides semantics for APFloat construction 194bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsExact : 1; 195bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 196bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 197bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class UnaryExprOrTypeTraitExprBitfields { 198bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class UnaryExprOrTypeTraitExpr; 199bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 200bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 201bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 202bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsType : 1; // true if operand is a type, false if an expression. 203bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 204bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 205cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 206cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 207cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 208cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 209cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 210cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 211e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned HasTemplateKWAndArgsInfo : 1; 2123aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 2137cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 214f4b88a45902af1802a1cb42ba48b1c474474f228John McCall unsigned RefersToEnclosingLocal : 1; 215cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 216cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 2178e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 2188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 2198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 2208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 2212bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 2222bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 2238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 225cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 226cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 227cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 228cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 229cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 230cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 231cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 23280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall class ExprWithCleanupsBitfields { 23380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ExprWithCleanups; 23480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; // deserialization 23580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 23680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned : NumExprBits; 23780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 23880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned NumObjects : 32 - NumExprBits; 23980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall }; 24080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 2414b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 2424b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 2434b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 2444b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2454b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 2464b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2474b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 2484b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 2494b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 2504b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 2514b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 2524b9c2d235fb9449e249d74f48ecfec601650de93John McCall 253f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 254f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 255f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 256f85e193739c953358c865005855253af4f68a497John McCall 257f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 258f85e193739c953358c865005855253af4f68a497John McCall }; 259f85e193739c953358c865005855253af4f68a497John McCall 26032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl class InitListExprBitfields { 26132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl friend class InitListExpr; 26232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 26332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned : NumExprBits; 26432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 26532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list originally had a GNU array-range 26632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// designator in it. This is a temporary marker used by CodeGen. 26732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned HadArrayRangeDesignator : 1; 26832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 26932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list initializes a std::initializer_list 27032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// object. 27132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned InitializesStdInitializerList : 1; 27232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl }; 27332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 2744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor class TypeTraitExprBitfields { 2754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class TypeTraitExpr; 2764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 2774ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 2784ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2794ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned : NumExprBits; 2804ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2814ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The kind of type trait, which is a value of a TypeTrait enumerator. 2824ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Kind : 8; 2834ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2844ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief If this expression is not value-dependent, this indicates whether 2854ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// the trait evaluated true or false. 2864ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Value : 1; 2874ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2884ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The number of arguments to this type trait. 2894ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned NumArgs : 32 - 8 - 1 - NumExprBits; 2904ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor }; 2914ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2928e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 29363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 29463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 29563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2968e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2978e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2988e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 299bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer CharacterLiteralBitfields CharacterLiteralBits; 300bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer FloatingLiteralBitfields FloatingLiteralBits; 301bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits; 302cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 3038e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 304cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 30580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanupsBitfields ExprWithCleanupsBits; 3064b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 307f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 30832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl InitListExprBitfields InitListExprBits; 3094ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExprBitfields TypeTraitExprBits; 3108e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 3118e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 312d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 3134ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 314d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 3158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 3168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 3171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 3188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 3192fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer unsigned alignment = 8) throw(); 3201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 3222fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer unsigned alignment = 8) throw(); 3231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 3258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 3268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 327e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 328fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 329fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 330e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 331fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 332e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 333025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 334025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 335025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 336025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 337025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 338025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 33902892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbarprivate: 34002892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar /// \brief Whether statistic collection is enabled. 34102892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static bool StatisticsEnabled; 34202892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar 3439c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 344025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 3458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 3468e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 34702892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 348025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 349025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 3528e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 35302892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 356ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 3578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 358b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 361b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 362b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 363b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 364aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 365aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocStart() const LLVM_READONLY; 366aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocEnd() const LLVM_READONLY; 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 37002892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static void EnableStatistics(); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 3726000dace22f110d8768476989313e9d981d690d0Chris Lattner 37395f6190acb664b345b1395abaea84ee451740c5bDmitri Gribenko /// \brief Dumps the specified AST fragment and all subtrees to 37495f6190acb664b345b1395abaea84ee451740c5bDmitri Gribenko /// \c llvm::errs(). 375f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump() const; 376f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump(SourceManager &SM) const; 3778cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 3786000dace22f110d8768476989313e9d981d690d0Chris Lattner 3797ba443aa8cfb222737d3a964a19ad4fb1328c4b5Richard Trieu /// dumpColor - same as dump(), but forces color highlighting. 3807ba443aa8cfb222737d3a964a19ad4fb1328c4b5Richard Trieu LLVM_ATTRIBUTE_USED void dumpColor() const; 3817ba443aa8cfb222737d3a964a19ad4fb1328c4b5Richard Trieu 3826000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 3836000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 384d1420c6fa788669e49f21e184927c7833881e399Richard Smith void dumpPretty(ASTContext &Context) const; 3858cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 386e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 387d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 389d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 390d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 391d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3937e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3947e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3957e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3967e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 397a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 398a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 399a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 400a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 401a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 402a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 403d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 404d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 405d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 406d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 407d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 408d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 409d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 41063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 41163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 41263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 4139caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 4149caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 41763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 4181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 42063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 42163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 42277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 4231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 42563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 42663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 42763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 42863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 42941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 43041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 43141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43270517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param ID once the profiling operation is complete, will contain 43341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 43441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43570517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param Context the AST context in which the statement resides 43641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43770517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param Canonical whether the profile should be based on the canonical 43841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 44041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 44141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 4424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 443b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 4529653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 45381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 4578ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 4588ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 4591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 46184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 46284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4637e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 464fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 4657e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 466fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 4678ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4697e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 472e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 473e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 47484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 475b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 47681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 47784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 47881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 47984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 48084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 48165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return StartLoc; } 48265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; } 4831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48814f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 48963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 49063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 49163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 49263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4940632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4950632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4978ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4988ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 4998ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 5008ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 501fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose 502fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose typedef std::reverse_iterator<decl_iterator> reverse_decl_iterator; 503fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rbegin() { 504fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_end()); 505fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 506fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rend() { 507fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_begin()); 508fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 51544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 516e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 51744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 51844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 51944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 52044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 521e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 523e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 524e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 525e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 527025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 528e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 529e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 530025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 532025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 533b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 534e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 53544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 53665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return SemiLoc; } 53765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SemiLoc; } 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 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; 553b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 555d36aa359e2f45cd22c7366a015ad94de08044dbbNico Weber CompoundStmt(ASTContext &C, ArrayRef<Stmt*> Stmts, 5563a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer SourceLocation LB, SourceLocation RB); 5573a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer 5583a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer // \brief Build an empty compound statment with a location. 5593a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer explicit CompoundStmt(SourceLocation Loc) 5603a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer : Stmt(CompoundStmtClass), Body(0), LBracLoc(Loc), RBracLoc(Loc) { 5613a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmtBits.NumStmts = 0; 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 563025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 564025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 565025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 5678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5688e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 569025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 570025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 574025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5758189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 5768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 579ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5868189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5878e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5888e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5974ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 6004ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 6018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 6028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 6038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 6068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 6078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return LBracLoc; } 61065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RBracLoc; } 6111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 612cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 613025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 614cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 615025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 62263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 62363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 62463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 625ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6268ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 6278ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 6288ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 631c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 632c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 633103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 634c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 635c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 636c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 63781cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation KeywordLoc; 63881cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation ColonLoc; 63981cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis 64081cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SwitchCase(StmtClass SC, SourceLocation KWLoc, SourceLocation ColonLoc) 64181cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis : Stmt(SC), NextSwitchCase(0), KeywordLoc(KWLoc), ColonLoc(ColonLoc) {} 642103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 64381cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SwitchCase(StmtClass SC, EmptyShell) 64481cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis : Stmt(SC), NextSwitchCase(0) {} 6451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 646c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 647c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 648c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 649c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 650c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 651c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 652d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 65381cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getKeywordLoc() const { return KeywordLoc; } 65481cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis void setKeywordLoc(SourceLocation L) { KeywordLoc = L; } 65581cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getColonLoc() const { return ColonLoc; } 65681cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis void setColonLoc(SourceLocation L) { ColonLoc = L; } 65781cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis 65863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 659702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 660702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 661702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 662b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 66381cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; } 66481cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getLocEnd() const LLVM_READONLY; 6651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 66863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 669c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 670c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 671c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 672c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 6730a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 675d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 676dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 678dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 68081cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis : SwitchCase(CaseStmtClass, caseLoc, colonLoc) { 68124e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 682d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 683d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 684dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 685d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 686025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 687025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 68881cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass, Empty) { } 689025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 69081cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getCaseLoc() const { return KeywordLoc; } 69181cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis void setCaseLoc(SourceLocation L) { KeywordLoc = L; } 692dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 693dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 694dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 695dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 696025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 697d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 698d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 699d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 700025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 70351b09f2c528c8460b5465c676173324e44176d62Devang Patel } 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 70651b09f2c528c8460b5465c676173324e44176d62Devang Patel } 70751b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 7085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 70920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 71020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 71120dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71381cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; } 71465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 7153fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 7163fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 71791ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 7183fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return CS->getSubStmt()->getLocEnd(); 721b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 72265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 7231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 727d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 72863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 72963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 73063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 733c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 734d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 73781cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SwitchCase(DefaultStmtClass, DL, CL), SubStmt(substmt) {} 738025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 739025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 74081cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis explicit DefaultStmt(EmptyShell Empty) 74181cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis : SwitchCase(DefaultStmtClass, Empty) { } 742025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 743d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 74451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 745025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 746025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 74781cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getDefaultLoc() const { return KeywordLoc; } 74881cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis void setDefaultLoc(SourceLocation L) { KeywordLoc = L; } 749dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 750dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 75281cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; } 75365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();} 75465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 759d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 76063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 76381cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidisinline SourceLocation SwitchCase::getLocEnd() const { 76481cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis if (const CaseStmt *CS = dyn_cast<CaseStmt>(this)) 76581cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis return CS->getLocEnd(); 76681cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis return cast<DefaultStmt>(this)->getLocEnd(); 76781cc2f1ecd31d8e3bca2c936fb9538a9d9c39695Argyrios Kyrtzidis} 768ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 769ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 770ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 771ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 773ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 775b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 777ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 778ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 7798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 7801de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 7811de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 7821de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 7831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 785ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 786ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 792b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 79365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return IdentLoc; } 79465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();} 79565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 79663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 79763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 804534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// \brief Represents an attribute applied to a statement. 805534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 806534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// Represents an attribute applied to a statement. For example: 807534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// [[omp::for(...)]] for (...) { ... } 808534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 809534986f2b21e6050bf00163cd6423fd92155a6edRichard Smithclass AttributedStmt : public Stmt { 810534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *SubStmt; 811534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation AttrLoc; 8124990890fc9428f98bef90ba349203a648c592778Alexander Kornienko unsigned NumAttrs; 8134990890fc9428f98bef90ba349203a648c592778Alexander Kornienko const Attr *Attrs[1]; 814534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 815534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith friend class ASTStmtReader; 816534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8174990890fc9428f98bef90ba349203a648c592778Alexander Kornienko AttributedStmt(SourceLocation Loc, ArrayRef<const Attr*> Attrs, Stmt *SubStmt) 8184990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass), SubStmt(SubStmt), AttrLoc(Loc), 8194990890fc9428f98bef90ba349203a648c592778Alexander Kornienko NumAttrs(Attrs.size()) { 8204990890fc9428f98bef90ba349203a648c592778Alexander Kornienko memcpy(this->Attrs, Attrs.data(), Attrs.size() * sizeof(Attr*)); 821534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 822534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8234990890fc9428f98bef90ba349203a648c592778Alexander Kornienko explicit AttributedStmt(EmptyShell Empty, unsigned NumAttrs) 8244990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass, Empty), NumAttrs(NumAttrs) { 8254990890fc9428f98bef90ba349203a648c592778Alexander Kornienko memset(Attrs, 0, NumAttrs * sizeof(Attr*)); 826534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 827534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8284990890fc9428f98bef90ba349203a648c592778Alexander Kornienkopublic: 8294990890fc9428f98bef90ba349203a648c592778Alexander Kornienko static AttributedStmt *Create(ASTContext &C, SourceLocation Loc, 8304990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> Attrs, Stmt *SubStmt); 8314990890fc9428f98bef90ba349203a648c592778Alexander Kornienko // \brief Build an empty attributed statement. 8324990890fc9428f98bef90ba349203a648c592778Alexander Kornienko static AttributedStmt *CreateEmpty(ASTContext &C, unsigned NumAttrs); 8334990890fc9428f98bef90ba349203a648c592778Alexander Kornienko 834534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation getAttrLoc() const { return AttrLoc; } 8354990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> getAttrs() const { 8364990890fc9428f98bef90ba349203a648c592778Alexander Kornienko return ArrayRef<const Attr*>(Attrs, NumAttrs); 8374990890fc9428f98bef90ba349203a648c592778Alexander Kornienko } 838534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *getSubStmt() { return SubStmt; } 839534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith const Stmt *getSubStmt() const { return SubStmt; } 840534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 84165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return AttrLoc; } 84265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();} 84365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 844534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith child_range children() { return child_range(&SubStmt, &SubStmt + 1); } 845534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 846534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const Stmt *T) { 847534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return T->getStmtClass() == AttributedStmtClass; 848534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 849534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith}; 850534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 851534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 85543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 8568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 8578cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 858b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 859d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 860ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 862ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 86344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 864ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 865025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 866025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 867025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 8688cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 8698cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 8708cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 8718cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 8728cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 8738cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 8748cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 8758cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 87643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 87743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 878ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 879d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 880d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 881d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 882d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 883d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 884ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 886025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 8881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 8898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 890025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 8948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 895b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 896025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 897025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 898d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 899d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 900025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 90165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return IfLoc; } 90265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 903b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 90465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExprs[ELSE]->getLocEnd(); 905b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 90665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExprs[THEN]->getLocEnd(); 907b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 91063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 91163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 91263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 91363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 91463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 92343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 925c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 926c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 9279dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 9281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 929559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 930559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 931559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 932559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 933559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 93543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 9361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 937025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 938025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 939025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 940d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 941d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 942d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 943d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 944d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 945d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 946d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 947d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 948d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 94943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 95043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 951ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 952d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 953d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 954d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 955d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 956d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 957d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 9588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 960c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 961c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 963025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 9648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 965025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 966c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 9671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 96843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 96943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 97043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 97143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 972025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 973025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 974025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 975025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 976c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 9799dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 981c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 982ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 983ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 984c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 985c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 986c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 987559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 988559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 989559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 990559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 991559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 992559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 993559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 994559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 995559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 996559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 997559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 998559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 999559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 100065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return SwitchLoc; } 100165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 100265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExprs[BODY]->getLocEnd(); 10039dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 100465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 100563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 100663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 100763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 100863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 100963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 10175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 101943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 10208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1021b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1023ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 102443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 10251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1026d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 1027d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 1028d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10295656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 10305656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 10315656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 10325656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 10335656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 10345656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 10355656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 10365656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 103743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 103843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 10395656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 1040d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 1041d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1042d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1043d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 1044d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1045d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 1048d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1051d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 1052d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1053d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 1054d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1055b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 105665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return WhileLoc; } 105765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 105865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExprs[BODY]->getLocEnd(); 1059b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 106065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 10611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 106663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 106763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 106863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 1074c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 10758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1076b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 10779f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 1078989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 10799f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1081989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 1082989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 1083989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 10848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 10858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 108767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 108867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 108967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 109367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 109667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 109767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 109867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 109967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 11009f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 11019f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1102b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1103989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 1104989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1105989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 110665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return DoLoc; } 110765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 110865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 11091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 111463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 111563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 111663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 112543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 11268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 1127b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 11285831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 11295831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1131ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 113243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 113567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 113667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 11378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1138ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 113999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 114099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 114199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 114299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 114399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 114499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 114599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 114699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 114743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 114843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1149ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1150d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1151d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1152d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1153d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1154d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1155d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 11568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 11618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 11628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1164b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 116567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 116667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 116767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 116867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 116967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 117067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 117167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 11725831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 11735831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 11745831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 11755831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 117667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 117765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return ForLoc; } 117865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 117965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return SubExprs[BODY]->getLocEnd(); 1180b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 118165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 11821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 118763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 118863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 118963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1195ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1196507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 119761f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 11985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1199ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 120061f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12021de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 12031de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 12041de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1205ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1206ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 12071de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 12081de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 12091de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 12101de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 12111de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1212b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 121365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; } 121465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return LabelLoc; } 121565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 122163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 12255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1227ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 12285f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 12291060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 12305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 12325f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 12335f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 12345f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 12357d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 12367d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 12371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 12387d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1240ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1241ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 12425f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 12435f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 12441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 124595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 124695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 12477d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1248b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 124995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 125095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1251ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1252ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 125395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 125495c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 125595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 125665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; } 125765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return Target->getLocEnd(); } 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 126463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 12695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1271507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1273507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1275d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1276d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1277d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1278d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1279d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1280d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 128165d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return ContinueLoc; } 128265d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return ContinueLoc; } 1283861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 12841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 128963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1295507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1297507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1299025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1300025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1301025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1302025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1303025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1304025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 130565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return BreakLoc; } 130665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return BreakLoc; } 1307b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 13105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 131363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1317c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1318c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1319c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1320c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1321c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1322c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1323c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1324c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 13255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 13271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1328507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 13295077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1330ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 13315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13325077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 133325a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 13345077c3876beeaed32280af88244e8050078619a8Douglas Gregor 13355077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 13365077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 13375077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 13380de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13390de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 13400de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 13410de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13421060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 13431060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 13440de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 13450de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13460de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 13470de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1348b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13495077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 13505077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 13515077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 13525077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 13535077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 13545077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 13555077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1356ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 135765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return RetLoc; } 135865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { 135965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen return RetExpr ? RetExpr->getLocEnd() : RetLoc; 136065d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen } 13611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 13645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 136763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 136863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 136963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 137063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1373728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier/// AsmStmt is the base class for GCCAsmStmt and MSAsmStmt. 1374728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier/// 1375728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass AsmStmt : public Stmt { 1376728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierprotected: 1377066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation AsmLoc; 137812b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// \brief True if the assembly statement does not have any input or output 137912b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// operands. 1380728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool IsSimple; 138112b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier 138212b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// \brief If true, treat this inline assembly as having side effects. 138312b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// This assembly statement should not be optimized, deleted or moved. 1384728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool IsVolatile; 1385728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1386066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumOutputs; 1387066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumInputs; 1388066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumClobbers; 1389066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 139019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier Stmt **Exprs; 1391066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1392066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier AsmStmt(StmtClass SC, SourceLocation asmloc, bool issimple, bool isvolatile, 1393066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned numoutputs, unsigned numinputs, unsigned numclobbers) : 1394066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier Stmt (SC), AsmLoc(asmloc), IsSimple(issimple), IsVolatile(isvolatile), 1395066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier NumOutputs(numoutputs), NumInputs(numinputs), NumClobbers(numclobbers) { } 1396728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1397aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall friend class ASTStmtReader; 1398aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1399728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierpublic: 1400728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier /// \brief Build an empty inline-assembly statement. 1401728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit AsmStmt(StmtClass SC, EmptyShell Empty) : 1402aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall Stmt(SC, Empty), Exprs(0) { } 140329760b452876548f59804e8c02c3276bc7281d5dMatt Beaumont-Gay 1404066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation getAsmLoc() const { return AsmLoc; } 1405066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1406728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1407728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool isSimple() const { return IsSimple; } 1408728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier void setSimple(bool V) { IsSimple = V; } 1409728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1410728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool isVolatile() const { return IsVolatile; } 1411728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier void setVolatile(bool V) { IsVolatile = V; } 1412728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 141365d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); } 141465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); } 1415728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1416da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier //===--- Asm String Analysis ---===// 1417da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 1418da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 1419aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier std::string generateAsmString(ASTContext &C) const; 1420da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 1421066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Output operands ---===// 1422066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1423066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned getNumOutputs() const { return NumOutputs; } 1424066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1425c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getOutputConstraint - Return the constraint string for the specified 1426c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// output operand. All output constraints are known to be non-empty (either 1427c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// '=' or '+'). 1428aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getOutputConstraint(unsigned i) const; 1429c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1430c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// isOutputPlusConstraint - Return true if the specified output constraint 1431c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// is a "+" constraint (which is both an input and an output) or false if it 1432c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// is an "=" constraint (just an output). 1433c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier bool isOutputPlusConstraint(unsigned i) const { 1434c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier return getOutputConstraint(i)[0] == '+'; 1435c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier } 1436c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1437aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier const Expr *getOutputExpr(unsigned i) const; 1438c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1439c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getNumPlusOperands - Return the number of output operands that have a "+" 1440c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// constraint. 1441c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier unsigned getNumPlusOperands() const; 1442c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1443066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Input operands ---===// 1444066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1445066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned getNumInputs() const { return NumInputs; } 1446066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1447c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getInputConstraint - Return the specified input constraint. Unlike output 1448c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// constraints, these can be empty. 1449aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getInputConstraint(unsigned i) const; 1450aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier 1451aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier const Expr *getInputExpr(unsigned i) const; 1452c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1453066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Other ---===// 1454066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 14552fd559f041d49863a7396d9e330bc9dae95ac8c4Chad Rosier unsigned getNumClobbers() const { return NumClobbers; } 1456aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getClobber(unsigned i) const; 14572fd559f041d49863a7396d9e330bc9dae95ac8c4Chad Rosier 1458728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier static bool classof(const Stmt *T) { 1459728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier return T->getStmtClass() == GCCAsmStmtClass || 1460728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier T->getStmtClass() == MSAsmStmtClass; 1461728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier } 146219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 146319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier // Input expr iterators. 146419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 146519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ExprIterator inputs_iterator; 146619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ConstExprIterator const_inputs_iterator; 146719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 146819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier inputs_iterator begin_inputs() { 146919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 147019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 147119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 147219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier inputs_iterator end_inputs() { 147319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs + NumInputs; 147419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 147519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 147619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_inputs_iterator begin_inputs() const { 147719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 147819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 147919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 148019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_inputs_iterator end_inputs() const { 148119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs + NumInputs; 148219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 148319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 148419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier // Output expr iterators. 148519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 148619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ExprIterator outputs_iterator; 148719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ConstExprIterator const_outputs_iterator; 148819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 148919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier outputs_iterator begin_outputs() { 149019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0]; 149119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 149219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier outputs_iterator end_outputs() { 149319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 149419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 149519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 149619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_outputs_iterator begin_outputs() const { 149719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0]; 149819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 149919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_outputs_iterator end_outputs() const { 150019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 150119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 150219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 150319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier child_range children() { 150419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 150519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 1506728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier}; 1507728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 15087d2c5ca9c3dad400f66aca58eebef321c04cf57eChad Rosier/// This represents a GCC inline-assembly statement extension. 1509fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1510728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass GCCAsmStmt : public AsmStmt { 1511066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation RParenLoc; 15126a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1513b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1514966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1515966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1516966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1517aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall IdentifierInfo **Names; 1518aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1519aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall friend class ASTStmtReader; 1520ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1521fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1522df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier GCCAsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, 1523df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier bool isvolatile, unsigned numoutputs, unsigned numinputs, 1524df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier IdentifierInfo **names, StringLiteral **constraints, Expr **exprs, 1525df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier StringLiteral *asmstr, unsigned numclobbers, 1526df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier StringLiteral **clobbers, SourceLocation rparenloc); 1527b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1528cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1529728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit GCCAsmStmt(EmptyShell Empty) : AsmStmt(GCCAsmStmtClass, Empty), 1530aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall Constraints(0), Clobbers(0), Names(0) { } 1531cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1532cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1533cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1534cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1535458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1536458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1537458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1538458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1539cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1540cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1541458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1542458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1543458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1544458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1545458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1546458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1547458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1548458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1549458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1550458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1551458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1552458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1553458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1554458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1555458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1556458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1557458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1558458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1559458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 15601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1561458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1562458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 15631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1564458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1565458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1566458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1567458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1568458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1569458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1570458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1571458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1572458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 15731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1574458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1575458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1576458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1577458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1578458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1579458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1580458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 15811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1582458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1583458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1584458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1585458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 15861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1587686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1588fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 15891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1590da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 1591da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier std::string generateAsmString(ASTContext &C) const; 15921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1593b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1594b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1595aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall IdentifierInfo *getOutputIdentifier(unsigned i) const { 1596aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return Names[i]; 1597aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1598aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1599aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef getOutputName(unsigned i) const { 1600aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall if (IdentifierInfo *II = getOutputIdentifier(i)) 1601aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return II->getName(); 1602aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1603aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return StringRef(); 1604aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1605aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1606686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 16071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1608b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1609ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1610ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1611b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1612b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1613b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 16141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1615ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 16161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1617b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1618df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return const_cast<GCCAsmStmt*>(this)->getOutputExpr(i); 1619b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 16201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1621b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 16221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1623aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall IdentifierInfo *getInputIdentifier(unsigned i) const { 1624aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return Names[i + NumOutputs]; 1625aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1626aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1627aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef getInputName(unsigned i) const { 1628aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall if (IdentifierInfo *II = getInputIdentifier(i)) 1629aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return II->getName(); 1630aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1631aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return StringRef(); 1632aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1633aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1634686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 16351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1636b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1637ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1638ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1639b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1640ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1641ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 16421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1643ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1644935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1645ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1646b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1647df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return const_cast<GCCAsmStmt*>(this)->getInputExpr(i); 1648b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1649cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1650aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCallprivate: 1651acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1652ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1653fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1654fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1655fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1656ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1657fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1658fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1659aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCallpublic: 1660cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 166110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 16621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 166410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 166510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1666686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 166710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 166833f0558f75f70061707d1388e305b8f92f4e55deChad Rosier StringRef getClobber(unsigned i) const; 16695c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier StringLiteral *getClobberStringLiteral(unsigned i) { return Clobbers[i]; } 16705c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier const StringLiteral *getClobberStringLiteral(unsigned i) const { 16715c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier return Clobbers[i]; 16725c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier } 1673cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 167465d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; } 167565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; } 16761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1677df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier static bool classof(const Stmt *T) { 1678df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return T->getStmtClass() == GCCAsmStmtClass; 1679df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier } 1680fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 168178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 16827d2c5ca9c3dad400f66aca58eebef321c04cf57eChad Rosier/// This represents a Microsoft inline-assembly statement extension. 16838cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier/// 1684728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass MSAsmStmt : public AsmStmt { 1685c4cca7b2408bdfd99ea0f63fec1421c1327593b2Enea Zaffanella SourceLocation LBraceLoc, EndLoc; 1686aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef AsmStr; 16878cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 168879efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier unsigned NumAsmToks; 168979efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier 169079efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier Token *AsmToks; 169189fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef *Constraints; 169233c72e1c0bbb477cf36dd7becd933b860c42ed8cChad Rosier StringRef *Clobbers; 16938cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1694aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall friend class ASTStmtReader; 1695aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 16968cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosierpublic: 16977bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier MSAsmStmt(ASTContext &C, SourceLocation asmloc, SourceLocation lbraceloc, 16987bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier bool issimple, bool isvolatile, ArrayRef<Token> asmtoks, 1699e54cba1ec0b0e498ee67d200289035797932e714Chad Rosier unsigned numoutputs, unsigned numinputs, 1700aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<StringRef> constraints, 1701e54cba1ec0b0e498ee67d200289035797932e714Chad Rosier ArrayRef<Expr*> exprs, StringRef asmstr, 170289fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier ArrayRef<StringRef> clobbers, SourceLocation endloc); 17038cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1704cd518a0ebc7c0a6aa41d717c360462540ef80a76Chad Rosier /// \brief Build an empty MS-style inline-assembly statement. 1705728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit MSAsmStmt(EmptyShell Empty) : AsmStmt(MSAsmStmtClass, Empty), 170689fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier NumAsmToks(0), AsmToks(0), Constraints(0), Clobbers(0) { } 1707cd518a0ebc7c0a6aa41d717c360462540ef80a76Chad Rosier 17087bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier SourceLocation getLBraceLoc() const { return LBraceLoc; } 17097bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier void setLBraceLoc(SourceLocation L) { LBraceLoc = L; } 17108cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation getEndLoc() const { return EndLoc; } 17118cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setEndLoc(SourceLocation L) { EndLoc = L; } 17128cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 17137bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier bool hasBraces() const { return LBraceLoc.isValid(); } 17147bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier 171579efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier unsigned getNumAsmToks() { return NumAsmToks; } 171679efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier Token *getAsmToks() { return AsmToks; } 17178f726de55412870ef70e788b852c6cc50873e15bChad Rosier 17188cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Asm String Analysis ---===// 1719aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef getAsmString() const { return AsmStr; } 17208cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1721da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 1722da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier std::string generateAsmString(ASTContext &C) const; 1723da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 17242603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier //===--- Output operands ---===// 17252603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 172689fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef getOutputConstraint(unsigned i) const { 1727aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall assert(i < NumOutputs); 172889fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier return Constraints[i]; 172989fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier } 1730c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1731633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier Expr *getOutputExpr(unsigned i); 1732633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier 17332603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier const Expr *getOutputExpr(unsigned i) const { 17342603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier return const_cast<MSAsmStmt*>(this)->getOutputExpr(i); 17352603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier } 17362603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 17372603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier //===--- Input operands ---===// 17382603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 173989fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef getInputConstraint(unsigned i) const { 1740aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall assert(i < NumInputs); 174189fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier return Constraints[i + NumOutputs]; 174289fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier } 1743c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1744633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier Expr *getInputExpr(unsigned i); 1745633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier void setInputExpr(unsigned i, Expr *E); 1746633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier 17472603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier const Expr *getInputExpr(unsigned i) const { 17482603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier return const_cast<MSAsmStmt*>(this)->getInputExpr(i); 17492603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier } 17502603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 17518cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Other ---===// 17528cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1753aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<StringRef> getAllConstraints() const { 1754aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return ArrayRef<StringRef>(Constraints, NumInputs + NumOutputs); 1755aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1756aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<StringRef> getClobbers() const { 1757aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return ArrayRef<StringRef>(Clobbers, NumClobbers); 1758aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1759aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<Expr*> getAllExprs() const { 1760aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall return ArrayRef<Expr*>(reinterpret_cast<Expr**>(Exprs), 1761aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall NumInputs + NumOutputs); 1762aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall } 1763aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1764aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef getClobber(unsigned i) const { return getClobbers()[i]; } 1765aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall 1766aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCallprivate: 1767aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall void initialize(ASTContext &C, 1768aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall StringRef AsmString, 1769aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<Token> AsmToks, 1770aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<StringRef> Constraints, 1771aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<Expr*> Exprs, 1772aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCall ArrayRef<StringRef> Clobbers); 1773aeeacf725c9e0ddd64ea9764bd008e5b6873ce51John McCallpublic: 17744399ea9d473365224d9e4db0cd94aab849eb59b7Chad Rosier 177565d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; } 177665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; } 177765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 17788cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier static bool classof(const Stmt *T) { 17798cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return T->getStmtClass() == MSAsmStmtClass; 17808cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 17818cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 17828cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier child_range children() { 17838cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return child_range(&Exprs[0], &Exprs[0]); 17848cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 17858cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier}; 17868cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 178728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 178828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 178928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 179028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 179128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 179228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 179328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 179428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 179528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 179628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 17977110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 17987110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 17997110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 18007110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 180128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 180228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 180328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 180428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 180528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 180665d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen 180765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return getExceptLoc(); } 180865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); } 180928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 181028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 181128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 181228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1813ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1814ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1815ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1816ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1817ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1818cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko return cast<CompoundStmt>(Children[BLOCK]); 1819ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 182028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 182128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 182228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 182328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 182428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 182528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 182628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 182728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 182828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 182928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 183028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 183128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 183228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 183328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 183428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 183528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 183628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 183728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 18387110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 18397110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 18407110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 18417110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 184228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 184328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 184428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 184528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 184628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 184765d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return getFinallyLoc(); } 184865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); } 184928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 185028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 185128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 185228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1853cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko CompoundStmt *getBlock() const { return cast<CompoundStmt>(Block); } 185428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 185528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 185628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 185728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 185828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 185928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 186028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 186128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 186228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 186328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 186428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 186528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 186628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 186728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 186828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 186928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 187028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 187128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 187228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 187328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 187428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 187528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 187628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 18777110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 18787110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 18797110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 18807110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 188128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 188228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 188328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 188428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 188528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 188628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 188728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 188865d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocStart() const LLVM_READONLY { return getTryLoc(); } 188965d78312ce026092cb6e7b1d4d06f05e18d02aa0Erik Verbruggen SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); } 189028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 189128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 189228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 189328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 189428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1895ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1896ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1897cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko return cast<CompoundStmt>(Children[TRY]); 1898ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1899ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 190028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 190128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 190228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 190328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 190428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 190528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 190628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 190728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 190828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 190928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 191028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 191128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 191228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 191328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1914ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1915051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// \brief This captures a statement into a function. For example, the following 1916051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// pragma annotated compound statement can be represented as a CapturedStmt, 1917051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// and this compound statement is the body of an anonymous outlined function. 1918051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// @code 1919051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// #pragma omp parallel 1920051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// { 1921051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// compute(); 1922051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// } 1923051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj/// @endcode 1924051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Sirajclass CapturedStmt : public Stmt { 1925051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Sirajpublic: 1926051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief The different capture forms: by 'this' or by reference, etc. 1927051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj enum VariableCaptureKind { 1928051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj VCK_This, 1929051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj VCK_ByRef 1930051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj }; 1931051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1932051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Describes the capture of either a variable or 'this'. 1933051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj class Capture { 19343a2f91280a49f4747063f983dc6a3296bd9359d2Ben Langmuir llvm::PointerIntPair<VarDecl *, 1, VariableCaptureKind> VarAndKind; 1935051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceLocation Loc; 1936051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1937051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj public: 1938051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Create a new capture. 1939051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 1940051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \param Loc The source location associated with this capture. 1941051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 1942051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \param Kind The kind of capture (this, ByRef, ...). 1943051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 1944051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \param Var The variable being captured, or null if capturing this. 1945051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 1946051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj Capture(SourceLocation Loc, VariableCaptureKind Kind, VarDecl *Var = 0) 19473a2f91280a49f4747063f983dc6a3296bd9359d2Ben Langmuir : VarAndKind(Var, Kind), Loc(Loc) { 1948051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj switch (Kind) { 1949051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj case VCK_This: 1950051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj assert(Var == 0 && "'this' capture cannot have a variable!"); 1951051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj break; 1952051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj case VCK_ByRef: 1953051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj assert(Var && "capturing by reference must have a variable!"); 1954051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj break; 1955051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 1956051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 1957051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1958051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Determine the kind of capture. 19593a2f91280a49f4747063f983dc6a3296bd9359d2Ben Langmuir VariableCaptureKind getCaptureKind() const { return VarAndKind.getInt(); } 1960051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1961051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the source location at which the variable or 'this' was 1962051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// first used. 1963051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceLocation getLocation() const { return Loc; } 1964051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1965051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Determine whether this capture handles the C++ 'this' pointer. 19663a2f91280a49f4747063f983dc6a3296bd9359d2Ben Langmuir bool capturesThis() const { return getCaptureKind() == VCK_This; } 1967051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1968051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Determine whether this capture handles a variable. 19693a2f91280a49f4747063f983dc6a3296bd9359d2Ben Langmuir bool capturesVariable() const { return getCaptureKind() != VCK_This; } 1970051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1971051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the declaration of the variable being captured. 1972051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// 1973051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// This operation is only valid if this capture does not capture 'this'. 1974051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj VarDecl *getCapturedVar() const { 1975051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj assert(!capturesThis() && "No variable available for 'this' capture"); 19763a2f91280a49f4747063f983dc6a3296bd9359d2Ben Langmuir return VarAndKind.getPointer(); 1977051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 1978051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj }; 1979051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1980051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Sirajprivate: 1981051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief The number of variable captured, including 'this'. 1982051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj unsigned NumCaptures; 1983051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1984051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief The implicit outlined function. 19856afcf8875d4e447645cd7bf3733dd8e2eb8455dcTareq A. Siraj CapturedDecl *TheCapturedDecl; 1986051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1987051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief The record for captured variables, a RecordDecl or CXXRecordDecl. 1988051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj RecordDecl *TheRecordDecl; 1989051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1990051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Construct a captured statement. 1991051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj CapturedStmt(Stmt *S, ArrayRef<Capture> Captures, 1992051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj ArrayRef<Expr *> CaptureInits, 19936afcf8875d4e447645cd7bf3733dd8e2eb8455dcTareq A. Siraj CapturedDecl *CD, RecordDecl *RD); 1994051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1995051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Construct an empty captured statement. 1996051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj CapturedStmt(EmptyShell Empty, unsigned NumCaptures); 1997051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 1998051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj Stmt **getStoredStmts() const { 1999051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return reinterpret_cast<Stmt **>(const_cast<CapturedStmt *>(this) + 1); 2000051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2001051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2002051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj Capture *getStoredCaptures() const; 2003051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2004051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Sirajpublic: 2005051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj static CapturedStmt *Create(ASTContext &Context, Stmt *S, 2006051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj ArrayRef<Capture> Captures, 2007051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj ArrayRef<Expr *> CaptureInits, 20086afcf8875d4e447645cd7bf3733dd8e2eb8455dcTareq A. Siraj CapturedDecl *CD, RecordDecl *RD); 2009051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2010051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj static CapturedStmt *CreateDeserialized(ASTContext &Context, 2011051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj unsigned NumCaptures); 2012051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2013051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the statement being captured. 2014051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj Stmt *getCapturedStmt() { return getStoredStmts()[NumCaptures]; } 2015051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj const Stmt *getCapturedStmt() const { 2016051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return const_cast<CapturedStmt *>(this)->getCapturedStmt(); 2017051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2018051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2019051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the outlined function declaration. 20206afcf8875d4e447645cd7bf3733dd8e2eb8455dcTareq A. Siraj CapturedDecl *getCapturedDecl() const { return TheCapturedDecl; } 2021051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2022051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the record declaration for captured variables. 2023051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj const RecordDecl *getCapturedRecordDecl() const { return TheRecordDecl; } 2024051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2025051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief True if this variable has been captured. 2026051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj bool capturesVariable(const VarDecl *Var) const; 2027051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2028051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief An iterator that walks over the captures. 2029051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj typedef const Capture *capture_iterator; 2030051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2031051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve an iterator pointing to the first capture. 2032051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj capture_iterator capture_begin() const { return getStoredCaptures(); } 2033051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2034051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve an iterator pointing past the end of the sequence of 2035051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// captures. 2036051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj capture_iterator capture_end() const { 2037051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return getStoredCaptures() + NumCaptures; 2038051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2039051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2040051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the number of captures, including 'this'. 2041051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj unsigned capture_size() const { return NumCaptures; } 2042051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2043051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Iterator that walks over the capture initialization arguments. 2044051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj typedef Expr **capture_init_iterator; 2045051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2046051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the first initialization argument. 2047051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj capture_init_iterator capture_init_begin() const { 2048051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return reinterpret_cast<Expr **>(getStoredStmts()); 2049051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2050051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2051051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// \brief Retrieve the iterator pointing one past the last initialization 2052051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj /// argument. 2053051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj capture_init_iterator capture_init_end() const { 2054051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return capture_init_begin() + NumCaptures; 2055051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2056051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2057051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceLocation getLocStart() const LLVM_READONLY { 2058051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return getCapturedStmt()->getLocStart(); 2059051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2060051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceLocation getLocEnd() const LLVM_READONLY { 2061051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return getCapturedStmt()->getLocEnd(); 2062051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2063051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj SourceRange getSourceRange() const LLVM_READONLY { 2064051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return getCapturedStmt()->getSourceRange(); 2065051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2066051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2067051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj static bool classof(const Stmt *T) { 2068051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj return T->getStmtClass() == CapturedStmtClass; 2069051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj } 2070051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 2071051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj child_range children(); 2072051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj}; 2073051303ce09291dfbed537fa33b0d8a4d92c82b75Tareq A. Siraj 20745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 20755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 2077