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" 23534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith#include "clang/AST/Attr.h" 249594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/ADT/SmallVector.h" 25aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 26aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/raw_ostream.h" 276e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 34e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 377ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 384b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 400c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 416a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 426c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 48ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 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 bool operator>=(const ExprIterator& R) const { return I >= R.I; } 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 731705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 751705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 781705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 791705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 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; } 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 92ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 1017381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1029a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1037381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1049a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1057381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1064bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 112b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be allocated with regular 'new'."); 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 115b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be released with regular 'delete'."); 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 138d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 139bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 140bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 141bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 142bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 143bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 144bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 145bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 146ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCArrayLiteral; // ctor 147ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCDictionaryLiteral; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 149bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 150bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 151bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 152bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1534b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 154dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 158f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 161561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 162d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 164561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 166bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class CharacterLiteralBitfields { 167bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class CharacterLiteral; 168bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 169bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 170bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 171bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 172bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 173bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class FloatingLiteralBitfields { 174bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class FloatingLiteral; 175bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 176bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 177bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsIEEE : 1; // Distinguishes between PPC128 and IEEE128. 178bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsExact : 1; 179bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 180bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 181bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class UnaryExprOrTypeTraitExprBitfields { 182bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class UnaryExprOrTypeTraitExpr; 183bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 184bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 185bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 186bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsType : 1; // true if operand is a type, false if an expression. 187bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 188bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 189cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 190cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 191cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 192cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 193cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 194cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 195e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned HasTemplateKWAndArgsInfo : 1; 1963aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 1977cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 198f4b88a45902af1802a1cb42ba48b1c474474f228John McCall unsigned RefersToEnclosingLocal : 1; 199cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 200cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 2018e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 2028e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 2038e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 2048e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 2052bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 2062bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 2078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2088e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 209cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 210cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 211cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 212cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 213cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 214cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 215cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 21680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall class ExprWithCleanupsBitfields { 21780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ExprWithCleanups; 21880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; // deserialization 21980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 22080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned : NumExprBits; 22180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 22280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned NumObjects : 32 - NumExprBits; 22380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall }; 22480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 2254b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 2264b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 2274b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 2284b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2294b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 2304b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2314b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 2324b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 2334b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 2344b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 2354b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 2364b9c2d235fb9449e249d74f48ecfec601650de93John McCall 237f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 238f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 239f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 240f85e193739c953358c865005855253af4f68a497John McCall 241f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 242f85e193739c953358c865005855253af4f68a497John McCall }; 243f85e193739c953358c865005855253af4f68a497John McCall 24432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl class InitListExprBitfields { 24532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl friend class InitListExpr; 24632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 24732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned : NumExprBits; 24832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 24932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list originally had a GNU array-range 25032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// designator in it. This is a temporary marker used by CodeGen. 25132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned HadArrayRangeDesignator : 1; 25232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list initializes a std::initializer_list 25432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// object. 25532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned InitializesStdInitializerList : 1; 25632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl }; 25732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 2584ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor class TypeTraitExprBitfields { 2594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class TypeTraitExpr; 2604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 2614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 2624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned : NumExprBits; 2644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The kind of type trait, which is a value of a TypeTrait enumerator. 2664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Kind : 8; 2674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief If this expression is not value-dependent, this indicates whether 2694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// the trait evaluated true or false. 2704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Value : 1; 2714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The number of arguments to this type trait. 2734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned NumArgs : 32 - 8 - 1 - NumExprBits; 2744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor }; 2754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 27763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 27863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 27963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 283bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer CharacterLiteralBitfields CharacterLiteralBits; 284bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer FloatingLiteralBitfields FloatingLiteralBits; 285bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits; 286cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2878e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 288cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 28980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanupsBitfields ExprWithCleanupsBits; 2904b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 291f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 29232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl InitListExprBitfields InitListExprBits; 2934ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExprBitfields TypeTraitExprBits; 2948e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2958e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 296d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 2974ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 298d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 3008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 3011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 3028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 303f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 3058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 308f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 3108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 3138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 3148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 315e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 316fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 317fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 318e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 319fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 320e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 321025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 322025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 323025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 324025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 325025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 326025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 32702892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbarprivate: 32802892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar /// \brief Whether statistic collection is enabled. 32902892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static bool StatisticsEnabled; 33002892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar 3319c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 332025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 3338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 3348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 33502892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 336025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 337025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 3408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 34102892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 344ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 3458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 346b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 349b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 350b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 351b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 352aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 353aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocStart() const LLVM_READONLY; 354aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocEnd() const LLVM_READONLY; 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 35802892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static void EnableStatistics(); 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 3606000dace22f110d8768476989313e9d981d690d0Chris Lattner 3616000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 3626000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 3636000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 364f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump() const; 365f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump(SourceManager &SM) const; 3668cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 3676000dace22f110d8768476989313e9d981d690d0Chris Lattner 3686000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 3696000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 370e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 3716000dace22f110d8768476989313e9d981d690d0Chris Lattner 3726000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 3736000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 37448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 3758cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 376e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 37748d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 37848d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 37948d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 3808cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, ASTContext &Context, 3811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 382e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 383d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 385d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 386d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 387d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3897e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3907e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3917e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3927e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 393a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 394a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 395a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 396a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 397a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 398a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 4001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 402d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 403d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 404d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 405d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 406d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 407d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 408d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 40963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 41063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 41163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 4129caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 4139caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 4141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 41663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 4171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 41963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 42063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 42177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 4221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 42463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 42563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 42663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 42763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 42841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 42941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 43041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 43241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 43341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 43541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 43741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 4381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 43941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 44041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 4414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 442b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 4471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 4519653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 45281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 4568ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 4578ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 4581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 46084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 46184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4627e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 463fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 4647e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 465fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 4668ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 4671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4687e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 4691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 471e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 472e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 47384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 474b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 47581c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 47684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 47781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 47884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 47984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 480aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 48181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 48281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 4831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 4881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48914f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 49063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 49163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 49263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 49363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4950632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4960632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4988ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4998ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 5008ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 5018ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 50844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 509e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 51044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 51144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 51244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 51344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 514e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 516e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 517e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 518e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 520025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 521e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 522e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 523025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 525025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 526b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 527e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 52844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 529aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(SemiLoc); } 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 5351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 53744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 53844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 53944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 5458189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 546b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5488e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 5498e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 5508e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 5518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 552654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CompoundStmtBits.NumStmts == NumStmts && 553654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!"); 5548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 555026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 556026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 557026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 558026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 560026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 5618e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 563025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 564025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 565025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 5678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5688e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 569025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 570025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 574025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5758189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 5768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 579ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5868189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5878e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5888e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5974ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 6004ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 6018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 6028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 6038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 6068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 6078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 609aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 611b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 613cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 614025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 615cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 616025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 6221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 62463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 62563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 62663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 627ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6288ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 6298ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 6308ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 633c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 634c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 635103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 636c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 637c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 638c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 639103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 640d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 6411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 642c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 643c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 644c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 645c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 646c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 647c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 648d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 64963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 650702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 651702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 652702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 653b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 654aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); } 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 65863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 659c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 660c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 661c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 662c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 663c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 6640a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 666d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 667b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 668dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 669dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 671dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 673d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 67424e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 675d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 676d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 677b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 678dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 679dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 680d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 681025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 682025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 683025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 684025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 685764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 686025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 687dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 688dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 689dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 690dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 691025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 692d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 693d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 694d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 695025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 69851b09f2c528c8460b5465c676173324e44176d62Devang Patel } 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 7001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 70151b09f2c528c8460b5465c676173324e44176d62Devang Patel } 70251b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 70420dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 70520dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 70620dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 709aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7103fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 7113fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 71291ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 7133fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 7141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 716b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 7211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 722d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 72363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 72463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 72563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 728c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 729d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 7306c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 731dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 734dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 735dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 736025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 737025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 738025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 739025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 740d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 74151b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 742025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 743025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7446c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 745025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 746dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 747dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 749aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 751b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 7561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 757d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 75863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 761ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 762ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 763ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 764ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 766ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 768b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 770ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 771ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 7728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 7731de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 7741de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 7751de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 778ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 779ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 785b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 786aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 78963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 79063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 798534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// \brief Represents an attribute applied to a statement. 799534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 800534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// Represents an attribute applied to a statement. For example: 801534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// [[omp::for(...)]] for (...) { ... } 802534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 803534986f2b21e6050bf00163cd6423fd92155a6edRichard Smithclass AttributedStmt : public Stmt { 804534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *SubStmt; 805534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation AttrLoc; 806534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith AttrVec Attrs; 807534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith // TODO: It can be done as Attr *Attrs[1]; and variable size array as in 808534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith // StringLiteral 809534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 810534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith friend class ASTStmtReader; 811534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 812534986f2b21e6050bf00163cd6423fd92155a6edRichard Smithpublic: 813534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith AttributedStmt(SourceLocation loc, const AttrVec &attrs, Stmt *substmt) 814534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith : Stmt(AttributedStmtClass), SubStmt(substmt), AttrLoc(loc), Attrs(attrs) { 815534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 816534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 817534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith // \brief Build an empty attributed statement. 818534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith explicit AttributedStmt(EmptyShell Empty) 819534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith : Stmt(AttributedStmtClass, Empty) { 820534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 821534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 822534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation getAttrLoc() const { return AttrLoc; } 823534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith const AttrVec &getAttrs() const { return Attrs; } 824534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *getSubStmt() { return SubStmt; } 825534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith const Stmt *getSubStmt() const { return SubStmt; } 826534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 827534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceRange getSourceRange() const LLVM_READONLY { 828534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return SourceRange(AttrLoc, SubStmt->getLocEnd()); 829534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 830534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith child_range children() { return child_range(&SubStmt, &SubStmt + 1); } 831534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 832534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const Stmt *T) { 833534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return T->getStmtClass() == AttributedStmtClass; 834534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 835534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const AttributedStmt *) { return true; } 836534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith}; 837534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 838534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 8405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 84243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 8438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 8448cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 845b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 846d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 847ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 849ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 85044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 851ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 852025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 853025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 854025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 8558cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 8568cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 8578cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 8588cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 8598cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 8608cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 8618cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 8628cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 86343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 86443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 865ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 866d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 867d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 868d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 869d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 870d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 871ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 873025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 8768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 877025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 8818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 882b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 883025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 884025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 885d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 886d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 887025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 888aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 889b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 890b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 891b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 892b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 893b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 89663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 89763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 89863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 89963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 90063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 91043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 9111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 912c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 913c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 9149dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 9151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 916559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 917559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 918559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 919559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 920559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 92243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 9231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 924025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 925025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 926025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 927d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 928d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 929d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 930d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 931d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 932d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 933d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 934d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 935d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 93643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 93743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 938ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 939d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 940d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 941d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 942d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 943d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 944d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 9458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 947c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 948c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 950025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 9518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 952025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 953c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 95543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 95643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 95743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 95843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 959025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 960025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 961025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 962025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 963c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 9651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 9669dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 9671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 968c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 969ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 970ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 971c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 972c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 973c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 974559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 975559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 976559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 977559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 978559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 979559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 980559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 981559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 982559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 983559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 984559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 985559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 986559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 987aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 9881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 9899dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 99063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 99163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 99263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 99363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 99463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 9975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 100543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 10068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1007b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1009ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 101043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1012d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 1013d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 1014d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10155656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 10165656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 10175656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 10185656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 10195656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 10205656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 10215656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 10225656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 102343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 102443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 10255656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 1026d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 1027d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1028d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1029d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 1030d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1031d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 1034d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1037d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 1038d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1039d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 1040d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1041b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1042aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 1044b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 10491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 105163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 105263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 105363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 10575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 1059c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 10608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1061b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 10629f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 1063989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 10649f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1066989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 1067989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 1068989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 10698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 10708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 10711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 107267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 107367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 107467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 107867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 108167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 108267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 108367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 108467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 10859f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 10869f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1087b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1088989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 1089989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1090989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 1091aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 1093b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 10988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 10998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 110063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 110163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 110263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 111143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 11128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 1113b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 11145831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 11155831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1117ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 111843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 112067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 112167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 112267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 11238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1124ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 112599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 112699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 112799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 112899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 112999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 113099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 113199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 113299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 113343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 113443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1135ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1136d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1137d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1138d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1139d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1140d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1141d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 11428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 11478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 11488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1150b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 115167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 115267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 115367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 115467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 115567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 115667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 115767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 11585831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 11595831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 11605831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 11615831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 116267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 1163aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1165b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 11701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 117263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 117363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 117463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 11785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1180ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1181507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 118261f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1184ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 118561f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11871de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 11881de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 11891de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1190ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1191ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 11921de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 11931de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 11941de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 11951de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 11961de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1197b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1198aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1200507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 12051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 120763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1213ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 12145f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 12151060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 12185f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 12195f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 12205f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 12217d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 12227d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 12247d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 12251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1226ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1227ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 12285f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 12295f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 123195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 123295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 12337d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1234b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 123595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 123695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1237ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1238ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 123995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 124095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 124195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 1242aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1243ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1244ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 12451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 12485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 12501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 125263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 12535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1259507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1261507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 12621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1263d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1264d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1265d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1266d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1267d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1268d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1269aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 12701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1271507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1272861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 12771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 127963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1285507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1287507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 12881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1289025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1290025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1291025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1292025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1293025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1294025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1295aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(BreakLoc); } 1296b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 130363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 13045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1307c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1308c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1309c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1310c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1311c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1312c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1313c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1314c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 13155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 13171060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1318507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 13195077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1320ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 13215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13225077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 132325a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 13245077c3876beeaed32280af88244e8050078619a8Douglas Gregor 13255077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 13265077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 13275077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 13280de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13290de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 13300de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 13310de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13321060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 13331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 13340de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 13350de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13360de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 13370de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1338b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13395077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 13405077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 13415077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 13425077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 13435077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 13445077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 13455077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1346ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1347aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 13481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 135563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 135663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 135763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 135863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1361fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1362fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1363fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1364fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 13656a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1366b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1367dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 136839c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 13693b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1371b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1372b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1373966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 13741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1375966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1376966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1377966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1378966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1379966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1380ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1381fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1382ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1383966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1384ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1385db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1386db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1387b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1388cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1389ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1390966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1391cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1392cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1393cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1394cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1395cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1396cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 139739c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1398cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1399dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 14006ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 14013b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 14023b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1403dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1404458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1405458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1406458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1407458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1408cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1409cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1410458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1411458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1412458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1413458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1414458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1415458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1416458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1417458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1418458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1419458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1420458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1421458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1422458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1423458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1424458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1425458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1426458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1427458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1428458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1430458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1431458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1433458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1434458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1435458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1436458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1437458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1438458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1439458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1440458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1441458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 14421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1443458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1444458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1445458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1446458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1447458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1448458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1449458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 14501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1451458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1452458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1453458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1454458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 14551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1456686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1457fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 14581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1460b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1461b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1462b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1463ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1464ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1465ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1466ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1467ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1468686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputName(unsigned i) const { 1469ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1470ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1471ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1472686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1473ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1474ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1475b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1476b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1477b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1478686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 14791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1480b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1481ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1482ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1483b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1484b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1485b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1487ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1489b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1490b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1491b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1493b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1494b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1495b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1496b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1497b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1498b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150085759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 150185759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 150285759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 15031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1504b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 15051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 15071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1508ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1509ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1510ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1512686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputName(unsigned i) const { 1513ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1514ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1515ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1516686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1517ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1518ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1519b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1520b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1521686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 15221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1523b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1524ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1525ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1526b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1527ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1528ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1530ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1531935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1532ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1533b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1534b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1535b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1536cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1537acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1538ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1539fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1540fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1541fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1542ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1543fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1544fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1545cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 154610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 15471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 154810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 154910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 155010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1551686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 155210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1553966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1554b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1555d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1556cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1557aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1558fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1559fe795956194141c91ae555985c9b930595bff43fChris Lattner } 15601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1561fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1562fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 15631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1564ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 15651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1566ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1567ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1569ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1570966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1571ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1573ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1574966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1575ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1577ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1578966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1579ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1581ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1582966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1583d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1585ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 15861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1587ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1588ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 15891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1590d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1591966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1592d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1593d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1594966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1595d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1597d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1598966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1599d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1600d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1601966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1602d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 16031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 160463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 160563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 160663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1607fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 160878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 160928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 161028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 161128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 161228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 161428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 161628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 161728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 161828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16197110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 16207110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 16217110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 16227110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 162328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 162428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 162528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 162628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 162728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 1628aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 162928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 163028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 163128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 163228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 163328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 163428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1635ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1636ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1637ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1638ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1639ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1640ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[BLOCK]); 1641ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 164228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 164428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 164528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 164628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 164728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 164828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 164928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 165028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 165228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 165428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 165628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 165728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 165828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 166028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 166128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16627110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 16637110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 16647110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 16657110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 166628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 166728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 166828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 166928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 167028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1671aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 167228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 167328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 167428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 167528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 167628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 167728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 167828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 167928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 168028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 168128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 168228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 168328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 168428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 168528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 168628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 168728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 168828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 168928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 169128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 169328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 169428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 169528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 169628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 169828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 170028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 170128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 170228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 170328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 17047110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 17057110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 17067110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 17077110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 170828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 170928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 171028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 171128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 171228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 171328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 171428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1715aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 171628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 171728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 171828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 171928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 172028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 172128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 172228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1723ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1724ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1725ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[TRY]); 1726ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1727ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 172828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 172928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 173128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 173228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 173328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 173528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 173628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 173728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 173928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 174028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 174128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 174228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 174328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1744ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 17455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 17465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1748