Stmt.h revision f4b88a45902af1802a1cb42ba48b1c474474f228
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/ADT/SmallVector.h" 24aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 25aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/raw_ostream.h" 266e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 33e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 367ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 374b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 390c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 406a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 416c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 47ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 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 bool operator>=(const ExprIterator& R) const { return I >= R.I; } 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 721705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 741705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 771705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 781705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 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; } 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 1007381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1019a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1027381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1039a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1047381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1054bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1068e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 111b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be allocated with regular 'new'."); 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 114b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be released with regular 'delete'."); 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1178e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 137d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 138bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 139bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 140bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 141bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 142bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 143bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 144bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 145ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCArrayLiteral; // ctor 146ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCDictionaryLiteral; // ctor 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 149bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 150bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 151bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1524b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 153dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 157f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 160561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 161d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1628e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 163561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 165bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class CharacterLiteralBitfields { 166bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class CharacterLiteral; 167bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 168bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 169bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 170bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 171bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 172bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class FloatingLiteralBitfields { 173bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class FloatingLiteral; 174bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 175bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 176bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsIEEE : 1; // Distinguishes between PPC128 and IEEE128. 177bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsExact : 1; 178bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 179bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 180bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class UnaryExprOrTypeTraitExprBitfields { 181bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class UnaryExprOrTypeTraitExpr; 182bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 183bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 184bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 185bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsType : 1; // true if operand is a type, false if an expression. 186bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 187bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 188cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 189cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 190cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 191cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 192cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 193cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 194e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned HasTemplateKWAndArgsInfo : 1; 1953aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 1967cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 197f4b88a45902af1802a1cb42ba48b1c474474f228John McCall unsigned RefersToEnclosingLocal : 1; 198cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 199cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 2008e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 2018e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 2028e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 2038e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 2042bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 2052bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 2068e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 208cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 209cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 210cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 211cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 212cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 213cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 214cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 21580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall class ExprWithCleanupsBitfields { 21680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ExprWithCleanups; 21780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; // deserialization 21880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 21980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned : NumExprBits; 22080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 22180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned NumObjects : 32 - NumExprBits; 22280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall }; 22380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 2244b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 2254b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 2264b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 2274b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2284b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 2294b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2304b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 2314b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 2324b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 2334b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 2344b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 2354b9c2d235fb9449e249d74f48ecfec601650de93John McCall 236f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 237f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 238f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 239f85e193739c953358c865005855253af4f68a497John McCall 240f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 241f85e193739c953358c865005855253af4f68a497John McCall }; 242f85e193739c953358c865005855253af4f68a497John McCall 24332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl class InitListExprBitfields { 24432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl friend class InitListExpr; 24532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 24632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned : NumExprBits; 24732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 24832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list originally had a GNU array-range 24932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// designator in it. This is a temporary marker used by CodeGen. 25032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned HadArrayRangeDesignator : 1; 25132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list initializes a std::initializer_list 25332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// object. 25432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned InitializesStdInitializerList : 1; 25532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl }; 25632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 2574ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor class TypeTraitExprBitfields { 2584ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class TypeTraitExpr; 2594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 2604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 2614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned : NumExprBits; 2634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The kind of type trait, which is a value of a TypeTrait enumerator. 2654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Kind : 8; 2664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief If this expression is not value-dependent, this indicates whether 2684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// the trait evaluated true or false. 2694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Value : 1; 2704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The number of arguments to this type trait. 2724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned NumArgs : 32 - 8 - 1 - NumExprBits; 2734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor }; 2744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 27663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 27763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 27863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 282bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer CharacterLiteralBitfields CharacterLiteralBits; 283bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer FloatingLiteralBitfields FloatingLiteralBits; 284bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits; 285cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2868e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 287cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 28880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanupsBitfields ExprWithCleanupsBits; 2894b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 290f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 29132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl InitListExprBitfields InitListExprBits; 2924ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExprBitfields TypeTraitExprBits; 2938e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2948e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 295d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 2964ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 297d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 2998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 3018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 302f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 3048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 307f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 3098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 3128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 3138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 314e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 315fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 316fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 317e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 318fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 319e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 320025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 321025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 322025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 323025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 324025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 325025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 32602892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbarprivate: 32702892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar /// \brief Whether statistic collection is enabled. 32802892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static bool StatisticsEnabled; 32902892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar 3309c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 331025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 3328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 3338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 33402892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 335025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 336025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 3398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 34002892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 343ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 3448e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 345b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 3471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 348b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 349b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 350b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 351aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 352aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocStart() const LLVM_READONLY; 353aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocEnd() const LLVM_READONLY; 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 35702892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static void EnableStatistics(); 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 3596000dace22f110d8768476989313e9d981d690d0Chris Lattner 3606000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 3616000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 3626000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 363f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump() const; 364f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump(SourceManager &SM) const; 3658cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 3666000dace22f110d8768476989313e9d981d690d0Chris Lattner 3676000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 3686000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 369e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 3706000dace22f110d8768476989313e9d981d690d0Chris Lattner 3716000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 3726000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 37348d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 3748cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 375e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 37648d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 37748d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 37848d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 3798cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, ASTContext &Context, 3801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 381e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 382d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 384d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 385d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 386d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3887e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3897e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3907e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3917e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 392a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 393a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 394a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 395a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 396a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 397a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 3991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 4001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 401d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 402d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 403d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 404d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 405d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 406d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 407d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 40863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 40963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 41063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 4119caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 4129caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 4131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 41563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 4161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 41863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 41963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 42077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 42363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 42463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 42563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 42663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 42741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 42841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 42941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 43141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 43241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 43441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 43641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 4371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 43841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 43941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 4404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 441b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 4509653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 45181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 4558ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 4568ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 45984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 46084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4617e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 462fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 4637e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 464fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 4658ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4677e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 4691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 470e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 471e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 47284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 473b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 47481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 47584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 47681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 47784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 47884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 479aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 48081c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 48181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 4871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48814f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 48963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 49063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 49163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 49263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4940632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4950632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4978ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4988ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 4998ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 5008ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 50744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 508e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 50944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 51044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 51144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 51244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 513e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 515e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 516e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 517e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 519025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 520e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 521e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 522025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 524025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 525b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 526e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 52744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 528aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(SemiLoc); } 5291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 5341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 53644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 53744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 53844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 5448189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 545b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5478e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 5488e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 5498e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 5508e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 551654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CompoundStmtBits.NumStmts == NumStmts && 552654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!"); 5538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 554026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 555026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 556026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 557026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 559026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 5608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 5611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 562025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 563025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 564025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 5668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 568025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 569025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 573025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5748189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 5758189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 578ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5848189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5868e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5878e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5888189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5964ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 5994ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 6008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 6018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 6028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 6058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 6068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 608aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 6091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 610b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 612cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 613025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 614cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 615025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 62363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 62463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 62563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 626ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6278ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 6288ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 6298ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 632c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 633c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 634103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 635c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 636c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 637c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 638103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 639d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 6401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 641c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 642c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 643c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 644c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 645c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 646c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 647d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 64863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 649702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 650702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 651702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 652b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 653aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); } 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 65763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 658c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 659c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 660c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 661c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 662c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 6630a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 665d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 666b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 667dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 668dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 670dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 672d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 67324e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 674d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 675d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 676b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 677dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 678dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 679d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 680025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 681025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 682025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 683025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 684764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 685025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 686dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 687dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 688dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 689dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 690025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 691d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 692d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 693d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 694025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 69751b09f2c528c8460b5465c676173324e44176d62Devang Patel } 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 70051b09f2c528c8460b5465c676173324e44176d62Devang Patel } 70151b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 70320dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 70420dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 70520dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 7061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 708aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7093fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 7103fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 71191ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 7123fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 7131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 715b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 7201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 721d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 72263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 72363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 72463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 727c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 728d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 7296c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 730dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 733dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 734dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 735025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 736025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 737025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 738025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 739d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 74051b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 741025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 742025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7436c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 744025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 745dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 746dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 748aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 750b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 756d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 75763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 760ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 761ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 762ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 763ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 765ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 767b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 769ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 770ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 7718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 7721de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 7731de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 7741de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 7751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 777ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 778ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 784b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 785aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 7871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 78863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 78963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 80043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 8018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 8028cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 803b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 804d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 805ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 807ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 80844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 809ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 810025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 811025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 812025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 8138cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 8148cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 8158cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 8168cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 8178cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 8188cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 8198cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 8208cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 82143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 82243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 823ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 824d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 825d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 826d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 827d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 828d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 829ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 831025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 8331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 8348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 835025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 8365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 8398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 840b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 841025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 842025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 843d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 844d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 845025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 846aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 847b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 848b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 849b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 850b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 851b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 85463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 85563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 85663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 85763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 85863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 86843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 870c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 871c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 8729dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 8731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 874559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 875559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 876559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 877559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 878559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 88043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 8811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 882025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 883025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 884025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 885d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 886d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 887d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 888d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 889d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 890d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 891d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 892d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 893d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 89443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 89543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 896ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 897d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 898d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 899d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 900d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 901d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 902d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 9038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 905c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 906c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 908025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 9098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 910025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 911c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 9121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 91343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 91443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 91543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 91643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 917025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 918025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 919025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 920025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 921c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 9231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 9249dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 9251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 926c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 927ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 928ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 929c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 930c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 931c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 932559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 933559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 934559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 935559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 936559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 937559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 938559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 939559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 940559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 941559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 942559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 943559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 944559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 945aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 9461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 9479dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 94863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 94963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 95063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 95163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 95263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 9555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 96343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 9648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 965b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 967ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 96843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 970d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 971d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 972d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 9735656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 9745656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 9755656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 9765656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 9775656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 9785656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 9795656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 9805656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 98143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 98243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 9835656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 984d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 985d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 986d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 987d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 988d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 989d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 9908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 992d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 995d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 996d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 997d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 998d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 999b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1000aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 1002b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 10071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 100963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 101063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 101163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 1017c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 10188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1019b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 10209f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 1021989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 10229f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1024989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 1025989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 1026989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 10278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 10288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 10291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 103067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 103167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 103267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 10331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 103667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 103967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 104067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 104167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 104267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 10439f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 10449f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1045b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1046989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 1047989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1048989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 1049aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 1051b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 10568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 10578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 105863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 105963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 106063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 106943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 10708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 1071b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 10725831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 10735831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1075ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 107643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 107867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 107967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 108067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 10818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1082ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 108399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 108499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 108599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 108699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 108799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 108899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 108999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 109099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 109143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 109243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1093ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1094d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1095d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1096d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1097d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1098d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1099d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 11008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 11058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 11068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1108b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 110967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 111067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 111167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 111267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 111367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 111467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 111567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 11165831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 11175831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 11185831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 11195831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 112067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 1121aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1123b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 113063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 113163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 113263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1138ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1139507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 114061f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1142ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 114361f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 11441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11451de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 11461de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 11471de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1148ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1149ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 11501de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 11511de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 11521de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 11531de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 11541de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1155b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1156aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1158507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 11591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 11631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 116563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1171ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 11725f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 11731060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 11765f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 11775f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 11785f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 11797d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 11807d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 11827d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1184ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1185ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 11865f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 11875f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 119095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 11917d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1192b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 119395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 119495c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1195ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1196ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 119795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 119895c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 119995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 1200aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1201ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1202ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 12031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 12081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 121063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1217507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1219507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 12201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1221d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1222d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1223d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1224d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1225d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1226d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1227aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1229507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1230861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 12311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 12335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 123763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 12415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1243507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 12445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1245507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 12461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1247025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1248025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1249025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1250025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1251025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1252025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1253aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(BreakLoc); } 1254b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 126163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1265c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1266c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1267c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1268c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1269c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1270c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1271c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1272c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 12751060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1276507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 12775077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1278ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12805077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 128125a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 12825077c3876beeaed32280af88244e8050078619a8Douglas Gregor 12835077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 12845077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 12855077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 12860de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12870de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 12880de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 12890de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 12911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 12920de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 12930de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12940de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 12950de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1296b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12975077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 12985077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 12995077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 13005077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 13015077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 13025077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 13035077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1304ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1305aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 13095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 13111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 131363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 131463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 131563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 131663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 13175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1319fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1320fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1321fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1322fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 13236a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1324b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1325dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 132639c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 13273b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 13281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1329b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1330b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1331966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1333966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1334966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1335966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1336966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1337966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1338ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1339fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1340ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1341966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1342ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1343db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1344db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1345b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1346cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1347ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1348966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1349cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1350cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1351cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1352cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1353cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1354cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 135539c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1356cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1357dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 13586ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 13593b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 13603b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1361dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1362458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1363458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1364458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1365458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1366cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1367cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1368458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1369458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1370458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1371458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1372458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1373458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1374458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1375458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1376458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1377458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1378458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1379458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1380458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1381458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1382458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1383458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1384458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1385458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1386458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 13871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1388458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1389458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 13901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1391458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1392458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1393458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1394458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1395458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1396458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1397458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1398458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1399458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 14001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1401458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1402458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1403458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1404458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1405458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1406458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1407458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1409458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1410458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1411458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1412458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1414686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1415fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1418b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1419b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1420b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1421ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1422ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1423ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1424ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1425ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1426686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputName(unsigned i) const { 1427ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1428ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1429ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1430686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1431ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1432ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1433b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1434b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1435b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1436686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 14371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1438b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1439ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1440ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1441b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1442b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1443b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1445ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 14461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1447b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1448b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1449b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1451b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1452b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1453b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1454b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1455b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1456b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 145885759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 145985759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 146085759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 14611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1462b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 14631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1466ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1467ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1468ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1470686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputName(unsigned i) const { 1471ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1472ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1473ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1474686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1475ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1476ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1477b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1478b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1479686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 14801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1481b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1482ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1483ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1484b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1485ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1486ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1488ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1489935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1490ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1491b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1492b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1493b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1494cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1495acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1496ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1497fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1498fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1499fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1500ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1501fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1502fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1503cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 150410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 15051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 150710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 150810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1509686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 151010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1511966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1512b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1513d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1514cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1515aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1516fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1517fe795956194141c91ae555985c9b930595bff43fChris Lattner } 15181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1519fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1520fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 15211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1522ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 15231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1524ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1525ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 15261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1527ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1528966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1529ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1531ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1532966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1533ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1535ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1536966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1537ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1539ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1540966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1541d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1543ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 15441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1545ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1546ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 15471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1548d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1549966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1550d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1551d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1552966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1553d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1555d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1556966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1557d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1558d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1559966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1560d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 156363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 156463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1565fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 156678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 156728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 156828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 156928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 157028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 157228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 157428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 157528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 157628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15777110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 15787110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 15797110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 15807110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 158128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 158228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 158328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 158428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 158528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 1586aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 158728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 158828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 158928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 159028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 159128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 159228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1593ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1594ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1595ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1596ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1597ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1598ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[BLOCK]); 1599ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 160028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 160128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 160228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 160328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 160428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 160528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 160628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 160728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 160828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 160928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 161028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 161228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 161428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 161528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 161628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 161828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 161928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16207110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 16217110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 16227110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 16237110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 162428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 162528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 162628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 162728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 162828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1629aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 163028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 163128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 163228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 163328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 163428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 163528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 163628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 163728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 163828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 163928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 164028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 164128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 164328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 164428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 164528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 164728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 164928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 165128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 165228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 165328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 165428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 165628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 165828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 165928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 166028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 166128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16627110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 16637110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 16647110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 16657110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 166628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 166728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 166828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 166928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 167028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 167128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 167228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1673aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 167428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 167528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 167628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 167728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 167828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 167928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 168028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1681ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1682ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1683ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[TRY]); 1684ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1685ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 168628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 168728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 168828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 168928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 169028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 169128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 169328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 169428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 169528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 169728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 169828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 169928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 170028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 170128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1702ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 17035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 17045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1706