Stmt.h revision 7cc58b4c927fca539d43eaa58e00dca95946eb7c
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 179594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "clang/Basic/LLVM.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 19d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 209caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 218ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 239594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/Support/raw_ostream.h" 249594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/ADT/SmallVector.h" 256e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 267573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 2841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 32e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 357ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 364b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 380c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 396a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 406c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 711705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 731705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 75ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 761705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 771705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 97f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 997381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1009a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1017381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1029a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1037381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1044bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 110b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be allocated with regular 'new'."); 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 113b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be released with regular 'delete'."); 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1168e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1178e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 136d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 137bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 138bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 139bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 140bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 141bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 142bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 143bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 144bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 145bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1498e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1508e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 152f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 155561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 156d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 158561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 160cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 161cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 162cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 163cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 164cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 165cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 166cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasExplicitTemplateArgs : 1; 1673aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 1687cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 169cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 170cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 1718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 1738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 1748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1752bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 1762bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 1778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 179cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 180cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 181cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 182cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 183cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 184cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 185cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 186f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 187f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 188f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 189f85e193739c953358c865005855253af4f68a497John McCall 190f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 191f85e193739c953358c865005855253af4f68a497John McCall }; 192f85e193739c953358c865005855253af4f68a497John McCall 1938e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 19463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 19563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 19663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 1978e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 1988e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 1998e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 200cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2018e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 202cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 203f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 2048e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 206d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 207d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 2098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 2101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 2118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 212f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 2148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 217f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 2198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 2228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 2238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 224e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 225fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 226fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 227e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 228fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 229e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 230025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 231025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 232025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 233025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 234025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 235025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2369c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 237025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 2388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 2398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 240025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 241025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 242025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2448e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 2458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 249c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 2508e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 251b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 254b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 255b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 256b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 25763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 25863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 259311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 260311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2642024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2666000dace22f110d8768476989313e9d981d690d0Chris Lattner 2676000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2686000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2696000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 271e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2728cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 2736000dace22f110d8768476989313e9d981d690d0Chris Lattner 2746000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2756000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 276e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2776000dace22f110d8768476989313e9d981d690d0Chris Lattner 2786000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2796000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 28048d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2818cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 282e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 28348d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 28448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 28548d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 2868cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, ASTContext &Context, 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 288e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 289d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 291d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 292d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 293d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2957e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 2967e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 2977e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 2987e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 299a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 300a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 301a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 302a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 303a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 304a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 3061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 308d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 309d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 310d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 311d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 312d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 313d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 314d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 31563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 31663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 31763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 3189caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 3199caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 3201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 32263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 3231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 32563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 32663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 32777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 33063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 33163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 33263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 33363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 33441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 33541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 33641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 33741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 33841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 33941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 34041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 34141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 34241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 34341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 34541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 34641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 3474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 348b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 3531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 3579653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 35881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3628ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3638ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 36684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 36784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3687e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 369fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3707e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 371fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3728ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3747e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 377e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 378e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 37984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 380b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 38181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 38284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 38381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 38484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 38584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3868ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 38781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 38881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39514f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 39663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 39763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 39863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 39963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4010632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4020632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4048ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4058ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 4068ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 4078ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 41444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 415e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 41644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 41744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 41844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 41944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 420e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 422e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 423e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 424e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 426025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 427e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 428e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 429025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 431025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 432b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 433e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 43444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 43563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 44344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 44444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 44544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 4518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 452b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 4558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 4568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 4578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 458654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CompoundStmtBits.NumStmts == NumStmts && 459654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!"); 4608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 461026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 462026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 463026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 464026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 4651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 466026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 4678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 469025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 470025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 471025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 4728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 4738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 4748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 475025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 476025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 4798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 480025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4818189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4828189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 4848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 485e946fc833d8592aa2890bfd9839f1ad839b3d284Fariborz Jahanian 4868e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 4878e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 4888e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 4898e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4938e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 4948e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 4958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5034ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 5064ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 5088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 5098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 5128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 5138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 5161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 517b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 519cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 520025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 521cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 522025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 5231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 53063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 53163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 53263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 5338ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek 5348ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 5358ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 5368ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 539c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 540c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 541103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 542c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 543c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 544c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 545103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 546d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 5471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 548c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 549c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 550c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 551c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 552c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 553c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 554d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 55563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 556702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 557702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 558702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 559b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 56063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(); } 5611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 56463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 565c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 566c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 567c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 568c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 569c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 5700a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 572d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 573b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 574dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 575dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 577dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 5781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 579d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 58024e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 581d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 582d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 583b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 584dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 585dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 586d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 587025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 588025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 589025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 590025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 591764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 592025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 593dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 594dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 595dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 596dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 597025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 598d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 599d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 600d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 601025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 60451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 60751b09f2c528c8460b5465c676173324e44176d62Devang Patel } 60851b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 61020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 61120dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 61220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6163fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 6173fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 61891ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 6193fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 622b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 6271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 628d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 62963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 63063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 63163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 634c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 635d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 6366c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 637dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 640dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 641dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 642025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 643025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 644025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 645025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 646d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 64751b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 648025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 649025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6506c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 651025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 652dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 653dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 65563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 657b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 6621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 663d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 66463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 667ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner 668ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 669ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 670ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 672ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 674b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 676ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 677ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 6788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 6791de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 6801de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 6811de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 6821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 684ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 685ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 691b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 69263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 69563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 69663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 6971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 70743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 7088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 7098cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 710b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 711d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 71244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 71443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 71544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 71643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor 717025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 718025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 719025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7208cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 7218cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 7228cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 7238cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 7248cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 7258cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 7268cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 7278cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 72843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 72943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 730c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 731d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 732d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 733d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 734d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 735d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 736d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 7378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 738025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 7418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 742025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 7468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 747b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 748025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 749025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 750d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 751d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 752025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 75363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 754b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 755b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 756b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 757b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 758b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 76163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 76263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 76363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 76463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 76563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 77543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 777c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 778c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 7799dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 781559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 782559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 783559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 784559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 785559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 78743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 789025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 790025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 791025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 792d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 793d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 794d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 795d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 796d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 797d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 798d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 799d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 800d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 80143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 80243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 803d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 804d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 805d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 806d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 807d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 808d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 809d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 8108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 8118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 812c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 813c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 8148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 815025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 817025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 818c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 8191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 82043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 82143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 82243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 82343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 824025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 825025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 826025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 827025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 828c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 8291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 8301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 8319dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 8321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 833c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 834c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 835c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 836c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 837c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 838559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 839559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 840559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 841559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 842559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 843559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 844559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 845559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 846559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 847559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 848559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 849559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 850559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 85163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 8539dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 85463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 85563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 85663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 85763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 85863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 86943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 871b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 87343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 87443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 876d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 877d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 878d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 8795656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 8805656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 8815656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 8825656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 8835656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 8845656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 8855656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 8865656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 88743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 88843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 8895656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 890d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 891d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 892d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 893d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 894d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 895d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 8968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 898d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 901d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 902d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 903d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 904d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 905b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 90663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 908b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 9131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 91563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 91663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 91763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 923c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 9248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 925b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 9269f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 927989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 9289f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 9295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 930989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 931989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 932989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 9338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 9348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 9351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 93667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 93767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 93867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 9391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 94267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 94567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 94667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 94767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 94867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 9499f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 9509f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 951b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 952989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 953989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 954989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 95563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 957b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 9628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 96463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 96563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 96663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 9715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 9725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 97543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 9768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 977b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 9785831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 9795831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 9805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 98143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 98243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 9831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 98567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 98667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 988c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 98999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 99099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 99199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 99299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 99399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 99499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 99599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 99699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 99743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 99843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 999c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1000d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1001d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1002d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1003d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1004d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1005d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 10088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 10108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 10118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 10128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 10138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1014b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 101567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 101667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 101767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 101867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 101967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 102067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 102167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 10225831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 10235831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 10245831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10255831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 102667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 102763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1029b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 10341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 103663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 103763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 103863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1044ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1045507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 104661f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1048ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 104961f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 10501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10511de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 10521de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 10531de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1054ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1055ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 10561de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 10571de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 10581de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 10591de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 10601de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1061b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 106263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1064507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 10651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 10691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 107163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1077ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 10785f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 10791060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 10825f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 10835f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 10845f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 10857d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 10867d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 10887d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 10891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1090ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1091ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 10925f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 10935f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 10941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 109595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 109695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 10977d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1098b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 109995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 110095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1101ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1102ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 110395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 110495c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 110595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 110663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1107ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1108ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 11091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 11141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 111663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1123507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1125507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 11261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1127d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1128d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1129d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1130d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1131d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1132d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 113363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1135507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1136861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 11371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 11395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 11411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 114363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1149507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1151507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1153025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1154025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1155025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1156025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1157025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1158025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 115963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1160b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 11651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 116763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1171c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1172c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1173c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1174c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1175c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1176c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1177c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1178c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 11811060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1182507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 11835077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 11845077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11865077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 118725a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 11885077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11895077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 11905077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 11915077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 11920de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11930de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 11940de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 11950de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11961060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 11971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 11980de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 11990de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12000de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 12010de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1202b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12035077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 12045077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 12055077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 12065077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 12075077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 12085077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 12095077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 12105077c3876beeaed32280af88244e8050078619a8Douglas Gregor 121163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 12171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 121963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 122063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 122163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 122263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1225fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1226fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1227fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1228fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 12296a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1230b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1231dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 123239c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 12333b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 12341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1235b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1236b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1237966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1239966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1240966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1241966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1242966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1243966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1244c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1245fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1246c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1247966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1248ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1249db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1250db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1251b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1252cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1253c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1254966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1255cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1256cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1257cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1258cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1259cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1260cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 126139c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1262cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1263dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 12646ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 12653b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 12663b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1267dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1268458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1269458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1270458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1271458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1272cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1273cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1274458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1275458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1276458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1277458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1278458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1279458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1280458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1281458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1282458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1283458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1284458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1285458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1286458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1287458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1288458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1289458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1290458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1291458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1292458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1294458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1295458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 12961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1297458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1298458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1299458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1300458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1301458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1302458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1303458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1304458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1305458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1307458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1308458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1309458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1310458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1311458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1312458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1313458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 13141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1315458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1316458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1317458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1318458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 13191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1320686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1321fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 13221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1324b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1325b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1326b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1327ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1328ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1329ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1330ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1331ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1332686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputName(unsigned i) const { 1333ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1334ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1335c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1336686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1337ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1338ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1339b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1340b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1341b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1342686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1344b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1345ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1346ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1347b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1348b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1349b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1351ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 13521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1353b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1354b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1355b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1357b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1358b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1359b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1360b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1361b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1362b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 136485759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 136585759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 136685759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 13671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1368b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 13691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 13711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1372ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1373ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1374ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1376686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputName(unsigned i) const { 1377ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1378ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1379ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1380686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1381ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1382ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1383b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1384b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1385686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 13861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1387b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1388ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1389ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1390b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1391ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1392ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1394ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1395935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1396935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner 1397b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1398b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1399b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1400cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1401acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1402ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1403fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1404fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1405fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1406c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1407fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1408fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1409cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 141010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 14111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 141210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 141310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 141410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1415686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 141610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1417966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1418b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1419d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1420cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 142163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1422fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1423fe795956194141c91ae555985c9b930595bff43fChris Lattner } 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1425fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1426fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1428ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1430ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1431ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1433ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1434966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1435ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1437ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1438966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1439ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1441ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1442966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1443ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1445ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1446966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1447d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1449ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 14501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1451ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1452ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 14531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1454d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1455966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1456d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1457d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1458966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1459d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1461d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1462966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1463d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1464d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1465966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1466d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 146863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 146963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 147063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1471fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 147278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 147328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 147428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 147528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 147628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 147828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 148028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 148128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 148228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 14837110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 14847110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 14857110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 14867110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 148728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 148828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 148928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 149028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 149128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 149228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 149328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 149428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 149528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 149728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 149828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *getFilterExpr() const { return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); } 150028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Children[BLOCK]); } 150128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 150328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 150428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 150528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 150728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 150828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 150928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 151128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 151328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 151528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 151628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 151728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 151928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 152028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15217110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 15227110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 15237110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 15247110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 152528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 152628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 152728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 152828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 152928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 153128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 153228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 153328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 153528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 153628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 153828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 154028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 154128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 154228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 154428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 154528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 154628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 154828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 155028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 155228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 155328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 155428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 155528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 155728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 155928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 156028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 156128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 156228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15637110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 15647110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 15657110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 15667110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 156728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 156828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 156928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 157028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 157128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 157228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 157328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 157528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 157628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 157728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 157928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 158028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 158128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 158228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt* getTryBlock() const { return llvm::cast<CompoundStmt>(Children[TRY]); } 158328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 158428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 158528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 158628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 158728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 158828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 158928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 159028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 159128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 159228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 159328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 159428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 159528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 159628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 159728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 159828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 159928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 160028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1604