Stmt.h revision ebcb57a8d298862c65043e88b2429591ab3c58d3
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 144ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCArrayLiteral; // ctor 145ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCDictionaryLiteral; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 149bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 150bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1514b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 152dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 156f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 159561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 160d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1618e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 162561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 164bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class CharacterLiteralBitfields { 165bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class CharacterLiteral; 166bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 167bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 168bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 169bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 170bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 171bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class FloatingLiteralBitfields { 172bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class FloatingLiteral; 173bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 174bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 175bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsIEEE : 1; // Distinguishes between PPC128 and IEEE128. 176bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsExact : 1; 177bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 178bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 179bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class UnaryExprOrTypeTraitExprBitfields { 180bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class UnaryExprOrTypeTraitExpr; 181bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 182bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 183bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 184bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsType : 1; // true if operand is a type, false if an expression. 185bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 186bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 187cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 188cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 189cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 190cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 191cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 192cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 193e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned HasTemplateKWAndArgsInfo : 1; 1943aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 1957cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 196cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 197cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 1988e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1998e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 2008e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 2018e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 2022bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 2032bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 2048e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 206cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 207cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 208cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 209cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 210cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 211cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 212cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 21380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall class ExprWithCleanupsBitfields { 21480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ExprWithCleanups; 21580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; // deserialization 21680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 21780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned : NumExprBits; 21880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 21980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned NumObjects : 32 - NumExprBits; 22080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall }; 22180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 2224b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 2234b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 2244b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 2254b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2264b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 2274b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2284b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 2294b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 2304b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 2314b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 2324b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 2334b9c2d235fb9449e249d74f48ecfec601650de93John McCall 234f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 235f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 236f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 237f85e193739c953358c865005855253af4f68a497John McCall 238f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 239f85e193739c953358c865005855253af4f68a497John McCall }; 240f85e193739c953358c865005855253af4f68a497John McCall 24132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl class InitListExprBitfields { 24232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl friend class InitListExpr; 24332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 24432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned : NumExprBits; 24532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 24632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list originally had a GNU array-range 24732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// designator in it. This is a temporary marker used by CodeGen. 24832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned HadArrayRangeDesignator : 1; 24932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list initializes a std::initializer_list 25132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// object. 25232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned InitializesStdInitializerList : 1; 25332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl }; 25432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 2554ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor class TypeTraitExprBitfields { 2564ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class TypeTraitExpr; 2574ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 2584ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 2594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned : NumExprBits; 2614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The kind of type trait, which is a value of a TypeTrait enumerator. 2634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Kind : 8; 2644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief If this expression is not value-dependent, this indicates whether 2664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// the trait evaluated true or false. 2674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Value : 1; 2684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The number of arguments to this type trait. 2704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned NumArgs : 32 - 8 - 1 - NumExprBits; 2714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor }; 2724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 27463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 27563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 27663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 280bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer CharacterLiteralBitfields CharacterLiteralBits; 281bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer FloatingLiteralBitfields FloatingLiteralBits; 282bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits; 283cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 285cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 28680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanupsBitfields ExprWithCleanupsBits; 2874b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 288f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 28932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl InitListExprBitfields InitListExprBits; 2904ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExprBitfields TypeTraitExprBits; 2918e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2928e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 293d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 2944ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 295d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 2978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 2998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 300f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 3028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 305f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 3078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 3108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 3118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 312e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 313fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 314fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 315e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 316fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 317e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 318025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 319025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 320025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 321025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 322025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 323025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 32402892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbarprivate: 32502892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar /// \brief Whether statistic collection is enabled. 32602892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static bool StatisticsEnabled; 32702892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar 3289c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 329025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 3308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 3318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 33202892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 333025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 334025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 3378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 33802892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 341ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 3428e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 343b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 346b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 347b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 348b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 34963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 35063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 351311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 352311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 35602892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static void EnableStatistics(); 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 3586000dace22f110d8768476989313e9d981d690d0Chris Lattner 3596000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 3606000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 3616000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 362f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump() const; 363f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump(SourceManager &SM) const; 3648cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 3656000dace22f110d8768476989313e9d981d690d0Chris Lattner 3666000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 3676000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 368e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 3696000dace22f110d8768476989313e9d981d690d0Chris Lattner 3706000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 3716000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 37248d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 3738cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 374e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 37548d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 37648d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 37748d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 3788cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, ASTContext &Context, 3791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 380e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 381d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 383d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 384d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 385d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3877e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3887e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3897e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3907e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 391a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 392a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 393a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 394a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 395a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 396a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 3981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 3991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 400d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 401d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 402d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 403d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 404d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 405d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 406d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 40763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 40863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 40963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 4109caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 4119caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 41463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 41763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 41863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 41977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 4201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 42263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 42363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 42463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 42563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 42641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 42741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 42841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 42941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 43041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 43141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 43341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 43541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 43741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 43841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 4394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 440b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 4499653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 45081c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 4511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 4548ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 4558ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 45884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 45984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4607e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 461fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 4627e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 463fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 4648ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 4651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4667e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 4671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 469e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 470e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 47184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 472b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 47381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 47484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 47581c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 47684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 47784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4788ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 47981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 48081c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48714f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 48863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 48963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 49063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 49163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4930632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4940632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4968ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4978ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 4988ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 4998ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 50644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 507e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 50844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 50944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 51044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 51144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 512e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 514e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 515e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 516e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 518025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 519e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 520e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 521025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 523025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 524b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 525e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 52644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 52763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 5331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 53544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 53644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 53744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 5438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 544b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5468e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 5478e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 5488e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 5498e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 550654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CompoundStmtBits.NumStmts == NumStmts && 551654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!"); 5528e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 553026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 554026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 555026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 556026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 5571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 558026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 5598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 5601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 561025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 562025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 563025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 5658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 567025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 568025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 5691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 572025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 5748189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 577ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5848189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5858e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5868e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5878189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5888189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5954ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 5984ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 6008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 6018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 6048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 6058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 609b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 611cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 612025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 613cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 614025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 62263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 62363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 62463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 625ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6268ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 6278ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 6288ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 631c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 632c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 633103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 634c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 635c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 636c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 637103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 638d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 640c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 641c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 642c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 643c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 644c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 645c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 646d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 64763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 648702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 649702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 650702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 651b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 65263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(); } 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 65663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 657c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 658c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 659c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 660c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 661c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 6620a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 664d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 665b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 666dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 667dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 669dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 671d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 67224e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 673d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 674d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 675b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 676dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 677dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 678d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 679025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 680025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 681025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 682025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 683764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 684025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 685dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 686dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 687dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 688dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 689025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 690d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 691d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 692d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 693025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 69651b09f2c528c8460b5465c676173324e44176d62Devang Patel } 6971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 69951b09f2c528c8460b5465c676173324e44176d62Devang Patel } 70051b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 70220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 70320dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 70420dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 70763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 7083fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 7093fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 71091ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 7113fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 714b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 720d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 72163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 72263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 72363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 726c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 727d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 7286c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 729dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 732dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 733dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 734025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 735025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 736025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 737025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 738d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 73951b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 740025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 741025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7426c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 743025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 744dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 745dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 74763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 7481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 749b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 7541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 755d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 75663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 759ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 760ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 761ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 762ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 764ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 766b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 768ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 769ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 7708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 7711de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 7721de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 7731de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 7741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 776ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 777ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 783b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 78463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 7851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 7861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 78763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 78863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 79943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 8008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 8018cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 802b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 803d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 804ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 806ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 80744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 808ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 809025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 810025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 811025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 8128cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 8138cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 8148cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 8158cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 8168cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 8178cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 8188cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 8198cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 82043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 82143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 822ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 823d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 824d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 825d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 826d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 827d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 828ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 830025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 8321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 8338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 834025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 8388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 839b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 840025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 841025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 842d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 843d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 844025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 84563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 846b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 847b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 848b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 849b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 850b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 85363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 85463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 85563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 85663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 85763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 86743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 869c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 870c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 8719dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 8721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 873559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 874559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 875559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 876559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 877559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 87943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 881025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 882025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 883025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 884d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 885d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 886d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 887d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 888d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 889d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 890d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 891d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 892d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 89343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 89443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 895ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 896d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 897d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 898d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 899d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 900d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 901d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 9028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 904c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 905c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 907025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 9088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 909025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 910c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 9111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 91243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 91343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 91443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 91543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 916025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 917025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 918025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 919025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 920c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 9221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 9239dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 925c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 926ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 927ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 928c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 929c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 930c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 931559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 932559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 933559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 934559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 935559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 936559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 937559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 938559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 939559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 940559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 941559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 942559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 943559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 94463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 9469dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 94763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 94863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 94963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 95063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 95163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 9545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 96243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 9638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 964b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 966ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 96743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 9681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 969d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 970d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 971d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 9725656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 9735656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 9745656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 9755656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 9765656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 9775656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 9785656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 9795656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 98043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 98143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 9825656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 983d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 984d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 985d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 986d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 987d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 988d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 9898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 991d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 994d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 995d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 996d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 997d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 998b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 99963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 1001b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 100863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 100963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 101063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 1016c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 10178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1018b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 10199f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 1020989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 10219f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1023989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 1024989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 1025989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 10268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 10278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 102967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 103067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 103167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 10321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 103567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 103867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 103967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 104067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 104167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 10429f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 10439f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1044b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1045989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 1046989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1047989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 104863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 1050b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 10558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 10568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 105763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 105863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 105963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 10645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 106843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 10698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 1070b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 10715831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 10725831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1074ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 107543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 107767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 107867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 107967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 10808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1081ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 108299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 108399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 108499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 108599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 108699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 108799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 108899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 108999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 109043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 109143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1092ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1093d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1094d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1095d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1096d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1097d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1098d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 11048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 11058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1107b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 110867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 110967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 111067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 111167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 111267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 111367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 111467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 11155831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 11165831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 11175831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 11185831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 111967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 112063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1122b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 11231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 11271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 112963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 113063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 113163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1137ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1138507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 113961f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1141ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 114261f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11441de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 11451de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 11461de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1147ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1148ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 11491de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 11501de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 11511de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 11521de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 11531de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1154b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 115563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1157507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 11621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 116463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1170ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 11715f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 11721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 11755f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 11765f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 11775f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 11787d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 11797d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 11817d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 11821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1183ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1184ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 11855f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 11865f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 11871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118895c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 118995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 11907d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1191b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 119295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 119395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1194ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1195ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 119695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 119795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 119895c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 119963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1200ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1201ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 12021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 12071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 120963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1216507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1218507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1220d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1221d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1222d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1223d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1224d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1225d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 122663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 12271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1228507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1229861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 12325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 12341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 123663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 12405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1242507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 12435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1244507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 12451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1246025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1247025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1248025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1249025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1250025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1251025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 125263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1253b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 126063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1264c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1265c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1266c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1267c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1268c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1269c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1270c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1271c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 12741060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1275507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 12765077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1277ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12795077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 128025a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 12815077c3876beeaed32280af88244e8050078619a8Douglas Gregor 12825077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 12835077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 12845077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 12850de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12860de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 12870de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 12880de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12891060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 12901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 12910de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 12920de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12930de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 12940de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1295b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12965077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 12975077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 12985077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 12995077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 13005077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 13015077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 13025077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1303ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 130463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 13051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 13085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 13101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 131263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 131363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 131463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 131563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1318fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1319fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1320fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1321fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 13226a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1323b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1324dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 132539c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 13263b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1328b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1329b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1330966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1332966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1333966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1334966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1335966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1336966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1337ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1338fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1339ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1340966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1341ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1342db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1343db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1344b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1345cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1346ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1347966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1348cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1349cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1350cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1351cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1352cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1353cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 135439c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1355cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1356dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 13576ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 13583b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 13593b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1360dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1361458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1362458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1363458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1364458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1365cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1366cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1367458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1368458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1369458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1370458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1371458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1372458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1373458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1374458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1375458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1376458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1377458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1378458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1379458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1380458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1381458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1382458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1383458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1384458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1385458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 13861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1387458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1388458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 13891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1390458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1391458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1392458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1393458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1394458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1395458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1396458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1397458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1398458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 13991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1400458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1401458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1402458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1403458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1404458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1405458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1406458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 14071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1408458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1409458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1410458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1411458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 14121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1413686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1414fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 14151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1417b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1418b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1419b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1420ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1421ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1422ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1423ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1424ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1425686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputName(unsigned i) const { 1426ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1427ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1428ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1429686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1430ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1431ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1432b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1433b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1434b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1435686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 14361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1437b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1438ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1439ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1440b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1441b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1442b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1444ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 14451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1446b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1447b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1448b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1450b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1451b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1452b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1453b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1454b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1455b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 145785759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 145885759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 145985759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 14601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1461b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 14621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 14641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1465ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1466ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1467ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1469686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputName(unsigned i) const { 1470ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1471ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1472ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1473686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1474ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1475ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1476b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1477b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1478686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 14791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1480b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1481ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1482ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1483b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1484ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1485ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1487ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1488935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1489ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1490b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1491b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1492b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1493cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1494acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1495ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1496fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1497fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1498fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1499ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1500fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1501fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1502cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 150310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 15041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 150610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 150710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1508686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 150910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1510966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1511b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1512d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1513cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 151463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1515fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1516fe795956194141c91ae555985c9b930595bff43fChris Lattner } 15171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1518fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1519fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 15201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1521ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 15221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1523ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1524ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 15251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1526ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1527966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1528ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1530ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1531966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1532ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1534ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1535966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1536ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1538ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1539966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1540d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1542ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 15431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1544ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1545ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1547d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1548966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1549d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1550d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1551966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1552d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1554d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1555966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1556d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1557d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1558966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1559d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 156263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 156363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1564fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 156578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 156628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 156728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 156828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 156928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 157128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 157328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 157428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 157528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15767110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 15777110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 15787110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 15797110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 158028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 158128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 158228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 158328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 158428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 158528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 158628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 158728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 158828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 158928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 159028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 159128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1592ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1593ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1594ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1595ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1596ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1597ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[BLOCK]); 1598ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 159928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 160028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 160128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 160228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 160328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 160428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 160528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 160628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 160728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 160828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 160928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 161128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 161328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 161428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 161528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 161728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 161828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16197110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 16207110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 16217110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 16227110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 162328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 162428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 162528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 162628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 162728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 162828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 162928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 163028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 163128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 163228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 163328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 163428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 163528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 163628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 163728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 163828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 163928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 164028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 164228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 164328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 164428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 164628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 164828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 165028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 165128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 165228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 165328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 165528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 165728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 165828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 165928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 166028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16617110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 16627110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 16637110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 16647110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 166528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 166628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 166728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 166828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 166928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 167028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 167128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 167228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 167328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 167428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 167528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 167628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 167728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 167828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 167928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1680ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1681ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1682ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[TRY]); 1683ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1684ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 168528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 168628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 168728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 168828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 168928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 169028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 169228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 169328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 169428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 169628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 169728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 169828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 170028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1701ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 17025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 17035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1705