Stmt.h revision 32cf1f27ae8620e7b79bb4e81a067187c0aab7ae
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 42ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 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). 46ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 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 1494b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 150dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1528e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 154f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 157561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 158d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 160561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1618e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 162cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 163cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 164cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 165cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 166cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 167cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 168e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned HasTemplateKWAndArgsInfo : 1; 1693aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 1707cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 171cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 172cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 1738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 1758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 1768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1772bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 1782bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 1798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 181cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 182cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 183cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 184cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 185cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 186cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 187cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 18880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall class ExprWithCleanupsBitfields { 18980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ExprWithCleanups; 19080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; // deserialization 19180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 19280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned : NumExprBits; 19380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 19480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned NumObjects : 32 - NumExprBits; 19580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall }; 19680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 1974b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 1984b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 1994b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 2004b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2014b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 2024b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2034b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 2044b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 2054b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 2064b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 2074b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 2084b9c2d235fb9449e249d74f48ecfec601650de93John McCall 209f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 210f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 211f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 212f85e193739c953358c865005855253af4f68a497John McCall 213f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 214f85e193739c953358c865005855253af4f68a497John McCall }; 215f85e193739c953358c865005855253af4f68a497John McCall 21632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl class InitListExprBitfields { 21732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl friend class InitListExpr; 21832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 21932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned : NumExprBits; 22032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 22132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list originally had a GNU array-range 22232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// designator in it. This is a temporary marker used by CodeGen. 22332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned HadArrayRangeDesignator : 1; 22432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 22532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list initializes a std::initializer_list 22632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// object. 22732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned InitializesStdInitializerList : 1; 22832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl }; 22932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 2308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 23163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 23263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 23363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 237cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 239cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 24080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanupsBitfields ExprWithCleanupsBits; 2414b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 242f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 24332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl InitListExprBitfields InitListExprBits; 2448e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 246d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 247d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 2498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 2501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 2518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 252f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2538189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 2548189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2568189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 257f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2588189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 2598189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2618189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 2628189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 2638189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 264e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 265fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 266fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 267e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 268fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 269e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 270025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 271025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 272025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 273025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 274025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 275025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2769c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 277025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 2788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 2798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 280025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 281025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 282025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 2858e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 2908e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 291b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 294b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 295b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 296b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 29763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 29863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 299311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 300311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 3042024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 3066000dace22f110d8768476989313e9d981d690d0Chris Lattner 3076000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 3086000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 3096000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 311e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 3128cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 3136000dace22f110d8768476989313e9d981d690d0Chris Lattner 3146000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 3156000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 316e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 3176000dace22f110d8768476989313e9d981d690d0Chris Lattner 3186000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 3196000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 32048d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 3218cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 322e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 32348d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 32448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 32548d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 3268cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, ASTContext &Context, 3271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 328e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 329d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 331d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 332d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 333d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3357e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3367e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3377e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3387e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 339a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 340a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 341a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 342a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 343a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 344a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 3471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 348d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 349d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 350d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 351d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 352d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 353d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 354d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 35563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 35663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 35763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 3589caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 3599caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 36263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 36563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 36663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 36777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 37063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 37163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 37263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 37363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 37441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 37541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 37641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 37741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 37841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 37941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 38041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 38141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 38241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 38341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 38541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 38641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 3874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 388b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 3979653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 39881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 3991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 4028ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 4038ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 4041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 40684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 40784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4087e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 409fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 4107e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 411fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 4128ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 4131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4147e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 4161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 417e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 418e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 41984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 420b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 42181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 42284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 42381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 42484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 42584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4268ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 42781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 42881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43514f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 43663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 43763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 43863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 43963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4410632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4420632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4448ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4458ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 4468ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 4478ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 45444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 455e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 45644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 45744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 45844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 45944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 460e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 462e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 463e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 464e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 466025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 467e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 468e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 469025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 471025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 472b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 473e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 47444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 47563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 48344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 48444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 48544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 4918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 492b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 4935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4948e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 4958e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 4968e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 4978e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 498654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CompoundStmtBits.NumStmts == NumStmts && 499654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!"); 5008e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 501026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 502026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 503026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 504026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 5051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 506026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 5078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 5081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 509025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 510025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 511025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5128e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 5138e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5148e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 515025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 516025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 520025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 5228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 525ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5418189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5434ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5448189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5458189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 5464ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 5488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 5498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 5528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 5538189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 5561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 557b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 559cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 560025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 561cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 562025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 5681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 57063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 57163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 57263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 573ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5748ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 5758ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 5768ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 579c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 580c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 581103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 582c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 583c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 584c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 585103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 586d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 588c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 589c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 590c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 591c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 592c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 593c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 594d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 59563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 596702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 597702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 598702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 599b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 60063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(); } 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 60463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 605c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 606c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 607c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 608c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 609c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 6100a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 612d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 613b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 614dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 615dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 617dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 619d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 62024e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 621d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 622d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 623b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 624dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 625dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 626d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 627025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 628025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 629025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 630025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 631764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 632025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 633dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 634dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 635dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 636dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 637025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 638d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 639d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 640d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 641025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 64451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 6451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 64751b09f2c528c8460b5465c676173324e44176d62Devang Patel } 64851b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 65020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 65120dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 65220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 65563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6563fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 6573fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 65891ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 6593fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 6601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 662b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 668d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 66963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 67063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 67163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 674c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 675d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 6766c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 677dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 680dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 681dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 682025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 683025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 684025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 685025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 686d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 68751b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 688025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 689025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6906c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 691025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 692dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 693dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 69563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 697b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 703d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 70463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 707ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 708ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 709ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 710ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 712ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 714b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 7155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 716ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 717ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 7188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 7191de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 7201de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 7211de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 7221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 724ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 725ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 731b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 73263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 7341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 73563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 73663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 74743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 7488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 7498cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 750b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 751d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 752ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 754ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 75544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 756ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 757025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 758025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 759025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7608cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 7618cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 7628cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 7638cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 7648cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 7658cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 7668cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 7678cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 76843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 76943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 770ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 771d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 772d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 773d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 774d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 775d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 776ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 778025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 7818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 782025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 7868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 787b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 788025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 789025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 790d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 791d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 792025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 79363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 794b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 795b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 796b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 797b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 798b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 80063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 80163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 80263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 80363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 80463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 80563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 81543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 817c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 818c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 8199dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 8201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 821559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 822559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 823559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 824559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 825559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 82743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 829025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 830025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 831025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 832d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 833d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 834d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 835d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 836d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 837d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 838d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 839d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 840d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 84143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 84243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 843ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 844d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 845d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 846d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 847d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 848d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 849d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 8508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 8518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 852c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 853c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 8548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 855025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 857025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 858c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 86043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 86143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 86243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 86343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 864025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 865025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 866025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 867025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 868c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 8691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 8719dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 8721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 873c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 874ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 875ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 876c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 877c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 878c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 879559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 880559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 881559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 882559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 883559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 884559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 885559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 886559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 887559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 888559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 889559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 890559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 891559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 89263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 8931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 8949dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 89563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 89663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 89763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 89863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 89963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 91043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 9118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 912b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 914ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 91543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 917d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 918d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 919d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 9205656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 9215656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 9225656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 9235656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 9245656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 9255656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 9265656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 9275656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 92843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 92943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 9305656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 931d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 932d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 933d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 934d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 935d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 936d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 9378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 939d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 942d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 943d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 944d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 945d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 946b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 94763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 949b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 9525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 95663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 95763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 95863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 964c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 9658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 966b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 9679f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 968989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 9699f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 9705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 971989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 972989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 973989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 9748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 9758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 9761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 97767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 97867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 97967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 98367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 98667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 98767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 98867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 98967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 9909f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 9919f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 992b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 993989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 994989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 995989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 99663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 998b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 10038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 10048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 100563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 100663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 100763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 101643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 10178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 1018b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 10195831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 10205831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1022ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 102343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 10241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 102567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 102667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 102767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 10288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1029ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 103099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 103199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 103299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 103399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 103499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 103599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 103699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 103799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 103843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 103943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1040ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1041d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1042d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1043d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1044d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1045d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1046d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 10498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 10518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 10528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 10538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 10548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1055b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 105667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 105767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 105867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 105967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 106067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 106167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 106267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 10635831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 10645831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 10655831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10665831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 106767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 106863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1070b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 107763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 107863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 107963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1085ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1086507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 108761f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1089ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 109061f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 10911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10921de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 10931de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 10941de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1095ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1096ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 10971de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 10981de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 10991de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 11001de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 11011de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1102b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 110363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1105507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 11061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 11101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 111263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1118ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 11195f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 11201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 11235f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 11245f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 11255f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 11267d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 11277d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 11297d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 11301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1131ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1132ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 11335f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 11345f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 11351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 113795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 11387d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1139b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 114095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 114195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1142ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1143ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 114495c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 114595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 114695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 114763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1148ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1149ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 11501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 11551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 115763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 11585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1164507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 11655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1166507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 11671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1168d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1169d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1170d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1171d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1172d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1173d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 117463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1176507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1177861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 11821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 118463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1190507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1192507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 11931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1194025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1195025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1196025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1197025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1198025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1199025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 120063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1201b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 120863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1212c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1213c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1214c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1215c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1216c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1217c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1218c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1219c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 12221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1223507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 12245077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1225ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 12265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12275077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 122825a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 12295077c3876beeaed32280af88244e8050078619a8Douglas Gregor 12305077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 12315077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 12325077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 12330de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12340de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 12350de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 12360de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12371060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 12381060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 12390de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 12400de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12410de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 12420de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1243b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12445077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 12455077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 12465077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 12475077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 12485077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 12495077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 12505077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1251ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 125263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 12531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 126063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 126163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 126263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 126363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1266fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1267fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1268fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1269fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 12706a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1271b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1272dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 127339c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 12743b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 12751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1276b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1277b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1278966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1280966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1281966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1282966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1283966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1284966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1285ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1286fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1287ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1288966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1289ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1290db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1291db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1292b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1293cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1294ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1295966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1296cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1297cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1298cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1299cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1300cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1301cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 130239c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1303cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1304dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 13056ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 13063b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 13073b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1308dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1309458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1310458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1311458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1312458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1313cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1314cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1315458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1316458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1317458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1318458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1319458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1320458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1321458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1322458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1323458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1324458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1325458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1326458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1327458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1328458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1329458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1330458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1331458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1332458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1333458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1335458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1336458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1338458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1339458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1340458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1341458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1342458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1343458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1344458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1345458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1346458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1348458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1349458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1350458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1351458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1352458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1353458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1354458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 13551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1356458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1357458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1358458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1359458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 13601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1361686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1362fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1365b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1366b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1367b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1368ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1369ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1370ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1371ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1372ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1373686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputName(unsigned i) const { 1374ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1375ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1376ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1377686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1378ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1379ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1380b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1381b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1382b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1383686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 13841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1385b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1386ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1387ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1388b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1389b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1390b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1392ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1394b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1395b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1396b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1398b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1399b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1400b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1401b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1402b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1403b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 140585759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 140685759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 140785759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1409b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 14121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1413ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1414ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1415ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1417686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputName(unsigned i) const { 1418ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1419ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1420ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1421686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1422ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1423ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1424b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1425b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1426686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1428b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1429ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1430ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1431b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1432ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1433ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1435ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1436935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1437ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1438b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1439b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1440b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1441cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1442acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1443ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1444fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1445fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1446fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1447ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1448fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1449fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1450cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 145110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 145310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 145410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 145510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1456686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 145710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1458966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1459b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1460d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1461cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 146263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1463fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1464fe795956194141c91ae555985c9b930595bff43fChris Lattner } 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1466fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1467fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 14681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1469ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1471ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1472ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 14731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1474ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1475966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1476ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1478ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1479966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1480ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1482ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1483966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1484ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1486ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1487966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1488d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1490ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 14911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1492ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1493ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 14941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1495d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1496966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1497d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1498d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1499966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1500d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1502d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1503966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1504d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1505d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1506966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1507d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 151063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 151163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1512fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 151378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 151428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 151528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 151628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 151728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 151928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 152128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 152228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 152328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15247110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 15257110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 15267110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 15277110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 152828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 152928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 153028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 153128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 153228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 153328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 153428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 153528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 153628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 153828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 153928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1540ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1541ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1542ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1543ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1544ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1545ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[BLOCK]); 1546ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 154728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 154928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 155028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 155128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 155328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 155428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 155528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 155728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 155928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 156128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 156228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 156328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 156528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 156628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15677110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 15687110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 15697110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 15707110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 157128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 157228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 157328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 157428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 157528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 157728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 157828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 157928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 158028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 158128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 158228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 158328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 158428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 158528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 158628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 158728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 158828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 158928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 159028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 159128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 159228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 159328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 159428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 159528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 159628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 159728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 159828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 159928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 160028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 160128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 160228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 160328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 160428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 160528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 160628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 160728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 160828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16097110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 16107110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 16117110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 16127110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 161328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 161428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 161528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 161628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 161728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 161828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 161928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 162028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 162128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 162228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 162328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 162428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 162528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 162628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 162728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1628ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1629ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1630ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[TRY]); 1631ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1632ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 163328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 163428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 163528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 163628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 163728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 163828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 163928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 164028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 164128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 164228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 164428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 164528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 164628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 164828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1649ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 16505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 16515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1653