Stmt.h revision 478851c3ed6bd784e7377dffd8e57b200c1b9ba9
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" 22534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith#include "clang/AST/Attr.h" 239594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/ADT/SmallVector.h" 24aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 25aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/raw_ostream.h" 266e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 33e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 367ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 374b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 39478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class LabelDecl; 400c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 416a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 426c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 43478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class VarDecl; 441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 49ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 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 bool operator>=(const ExprIterator& R) const { return I >= R.I; } 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 741705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 75ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 761705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 791705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 801705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 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; } 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 92ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 93ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 101f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 1027381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1039a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1047381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1059a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1067381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1074bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1088e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 113b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be allocated with regular 'new'."); 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 116b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be released with regular 'delete'."); 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 139d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 140bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 141bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 142bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 143bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 144bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 145bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 147ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCArrayLiteral; // ctor 148ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCDictionaryLiteral; // ctor 149bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 150bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 151bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 152bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 153bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1544b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 155dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 159f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1618e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 162561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 163d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 165561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 167bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class CharacterLiteralBitfields { 168bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class CharacterLiteral; 169bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 170bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 171bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 172bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 173bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 174bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class FloatingLiteralBitfields { 175bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class FloatingLiteral; 176bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 177bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 178bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsIEEE : 1; // Distinguishes between PPC128 and IEEE128. 179bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsExact : 1; 180bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 181bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 182bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class UnaryExprOrTypeTraitExprBitfields { 183bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class UnaryExprOrTypeTraitExpr; 184bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 185bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 186bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 187bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsType : 1; // true if operand is a type, false if an expression. 188bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 189bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 190cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 191cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 192cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 193cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 194cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 195cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 196e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned HasTemplateKWAndArgsInfo : 1; 1973aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 1987cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 199f4b88a45902af1802a1cb42ba48b1c474474f228John McCall unsigned RefersToEnclosingLocal : 1; 200cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 201cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 2028e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 2038e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 2048e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 2058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 2062bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 2072bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 2088e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2098e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 210cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 211cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 212cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 213cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 214cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 215cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 216cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 21780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall class ExprWithCleanupsBitfields { 21880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ExprWithCleanups; 21980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; // deserialization 22080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 22180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned : NumExprBits; 22280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 22380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned NumObjects : 32 - NumExprBits; 22480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall }; 22580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 2264b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 2274b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 2284b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 2294b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2304b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 2314b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2324b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 2334b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 2344b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 2354b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 2364b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 2374b9c2d235fb9449e249d74f48ecfec601650de93John McCall 238f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 239f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 240f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 241f85e193739c953358c865005855253af4f68a497John McCall 242f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 243f85e193739c953358c865005855253af4f68a497John McCall }; 244f85e193739c953358c865005855253af4f68a497John McCall 24532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl class InitListExprBitfields { 24632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl friend class InitListExpr; 24732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 24832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned : NumExprBits; 24932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list originally had a GNU array-range 25132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// designator in it. This is a temporary marker used by CodeGen. 25232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned HadArrayRangeDesignator : 1; 25332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list initializes a std::initializer_list 25532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// object. 25632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned InitializesStdInitializerList : 1; 25732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl }; 25832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 2594ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor class TypeTraitExprBitfields { 2604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class TypeTraitExpr; 2614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 2624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 2634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned : NumExprBits; 2654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The kind of type trait, which is a value of a TypeTrait enumerator. 2674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Kind : 8; 2684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief If this expression is not value-dependent, this indicates whether 2704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// the trait evaluated true or false. 2714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Value : 1; 2724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The number of arguments to this type trait. 2744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned NumArgs : 32 - 8 - 1 - NumExprBits; 2754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor }; 2764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 27863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 27963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 28063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 284bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer CharacterLiteralBitfields CharacterLiteralBits; 285bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer FloatingLiteralBitfields FloatingLiteralBits; 286bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits; 287cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2888e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 289cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 29080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanupsBitfields ExprWithCleanupsBits; 2914b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 292f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 29332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl InitListExprBitfields InitListExprBits; 2944ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExprBitfields TypeTraitExprBits; 2958e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2968e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 297d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 2984ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 299d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 3008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 3018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 3038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 304f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 3068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 309f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 3118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 3148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 3158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 316e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 317fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 318fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 319e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 320fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 321e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 322025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 323025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 324025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 325025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 326025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 327025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 32802892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbarprivate: 32902892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar /// \brief Whether statistic collection is enabled. 33002892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static bool StatisticsEnabled; 33102892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar 3329c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 333025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 3348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 3358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 33602892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 337025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 338025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 3418e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 34202892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 3468e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 347b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 3491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 350b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 351b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 352b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 353aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 354aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocStart() const LLVM_READONLY; 355aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocEnd() const LLVM_READONLY; 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 35902892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static void EnableStatistics(); 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 3616000dace22f110d8768476989313e9d981d690d0Chris Lattner 3626000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 3636000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 3646000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 365f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump() const; 366f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump(SourceManager &SM) const; 3678cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 3686000dace22f110d8768476989313e9d981d690d0Chris Lattner 3696000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 3706000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 371e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 3726000dace22f110d8768476989313e9d981d690d0Chris Lattner 3736000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 3746000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 37548d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 3768cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 377e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 37848d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 37948d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 38048d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 3818cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, ASTContext &Context, 3821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 383e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 384d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 386d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 387d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 388d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3907e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3917e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3927e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3937e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 394a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 395a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 396a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 397a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 398a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 399a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 4021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 403d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 404d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 405d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 406d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 407d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 408d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 409d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 41063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 41163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 41263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 4139caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 4149caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 41763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 4181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 42063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 42163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 42277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 4231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 42563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 42663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 42763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 42863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 42941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 43041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 43141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 43341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 43441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 43641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 43841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 44041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 44141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 4424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 443b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 4529653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 45381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 4578ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 4588ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 4591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 46184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 46284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4637e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 464fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 4657e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 466fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 4678ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4697e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 472e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 473e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 47484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 475b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 47681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 47784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 47881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 47984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 48084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 481aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 48281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 48381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49014f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 49163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 49263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 49363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 49463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4960632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4970632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4998ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 5008ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 5018ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 5028ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 50944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 510e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 51144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 51244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 51344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 51444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 515e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 517e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 518e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 519e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 521025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 522e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 523e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 524025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 526025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 527b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 528e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 52944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 530aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(SemiLoc); } 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 5361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 53844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 53944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 54044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 5468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 547b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5493a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmt(ASTContext &C, Stmt **StmtStart, unsigned NumStmts, 5503a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer SourceLocation LB, SourceLocation RB); 5513a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer 5523a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer // \brief Build an empty compound statment with a location. 5533a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer explicit CompoundStmt(SourceLocation Loc) 5543a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer : Stmt(CompoundStmtClass), Body(0), LBracLoc(Loc), RBracLoc(Loc) { 5553a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmtBits.NumStmts = 0; 5561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 557025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 558025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 559025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 5618e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5628e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 563025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 564025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 568025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5698189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 5708189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 573ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5798189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5808189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5848189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5868189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5878189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5888189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5914ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 5944ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 5968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 5978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 6008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 6018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 603aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 605b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 607cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 608025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 609cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 610025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 6111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 61863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 61963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 62063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 621ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6228ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 6238ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 6248ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 627c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 628c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 629103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 630c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 631c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 632c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 633103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 634d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 6351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 636c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 637c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 638c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 639c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 640c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 641c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 642d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 64363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 644702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 645702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 646702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 647b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 648aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); } 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 65263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 653c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 654c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 655c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 656c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 657c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 6580a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 660d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 661b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 662dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 663dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 665dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 667d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 66824e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 669d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 670d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 671b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 672dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 673dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 674d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 675025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 676025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 677025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 678025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 679764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 680025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 681dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 682dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 683dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 684dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 685025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 686d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 687d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 688d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 689025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 69251b09f2c528c8460b5465c676173324e44176d62Devang Patel } 6931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 69551b09f2c528c8460b5465c676173324e44176d62Devang Patel } 69651b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 69820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 69920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 70020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 703aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7043fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 7053fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 70691ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 7073fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 7081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 710b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 716d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 71763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 71863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 71963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 722c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 723d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 7246c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 725dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 728dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 729dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 730025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 731025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 732025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 733025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 734d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 73551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 736025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 737025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7386c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 739025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 740dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 741dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 743aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 745b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 751d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 75263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 755ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 756ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 757ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 758ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 760ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 762b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 764ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 765ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 7668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 7671de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 7681de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 7691de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 7701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 772ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 773ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 779b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 780aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 7821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 78363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 78463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 792534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// \brief Represents an attribute applied to a statement. 793534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 794534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// Represents an attribute applied to a statement. For example: 795534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// [[omp::for(...)]] for (...) { ... } 796534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 797534986f2b21e6050bf00163cd6423fd92155a6edRichard Smithclass AttributedStmt : public Stmt { 798534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *SubStmt; 799534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation AttrLoc; 800534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith AttrVec Attrs; 801534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith // TODO: It can be done as Attr *Attrs[1]; and variable size array as in 802534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith // StringLiteral 803534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 804534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith friend class ASTStmtReader; 805534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 806534986f2b21e6050bf00163cd6423fd92155a6edRichard Smithpublic: 807534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith AttributedStmt(SourceLocation loc, const AttrVec &attrs, Stmt *substmt) 808534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith : Stmt(AttributedStmtClass), SubStmt(substmt), AttrLoc(loc), Attrs(attrs) { 809534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 810534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 811534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith // \brief Build an empty attributed statement. 812534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith explicit AttributedStmt(EmptyShell Empty) 813534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith : Stmt(AttributedStmtClass, Empty) { 814534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 815534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 816534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation getAttrLoc() const { return AttrLoc; } 817534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith const AttrVec &getAttrs() const { return Attrs; } 818534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *getSubStmt() { return SubStmt; } 819534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith const Stmt *getSubStmt() const { return SubStmt; } 820534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 821534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceRange getSourceRange() const LLVM_READONLY { 822534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return SourceRange(AttrLoc, SubStmt->getLocEnd()); 823534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 824534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith child_range children() { return child_range(&SubStmt, &SubStmt + 1); } 825534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 826534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const Stmt *T) { 827534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return T->getStmtClass() == AttributedStmtClass; 828534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 829534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const AttributedStmt *) { return true; } 830534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith}; 831534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 832534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 83643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 8378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 8388cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 839b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 840d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 841ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 843ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 84444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 845ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 846025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 847025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 848025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 8498cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 8508cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 8518cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 8528cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 8538cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 8548cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 8558cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 8568cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 85743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 85843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 859ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 860d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 861d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 862d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 863d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 864d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 865ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 867025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8688297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 8691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 8708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 871025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 8758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 876b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 877025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 878025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 879d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 880d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 881025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 882aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 883b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 884b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 885b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 886b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 887b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 89063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 89163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 89263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 89363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 89463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 90443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 9051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 906c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 907c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 9089dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 910559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 911559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 912559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 913559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 914559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 91643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 918025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 919025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 920025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 921d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 922d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 923d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 924d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 925d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 926d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 927d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 928d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 929d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 93043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 93143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 932ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 933d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 934d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 935d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 936d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 937d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 938d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 9398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 941c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 942c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 944025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 9458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 946025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 947c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 9481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 94943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 95043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 95143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 95243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 953025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 954025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 955025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 956025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 957c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 9609dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 962c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 963ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 964ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 965c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 966c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 967c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 968559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 969559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 970559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 971559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 972559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 973559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 974559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 975559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 976559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 977559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 978559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 979559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 980559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 981aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 9821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 9839dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 98463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 98563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 98663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 98763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 98863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 9915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 9975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 99943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 10008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1001b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1003ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 100443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 10051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1006d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 1007d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 1008d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10095656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 10105656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 10115656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 10125656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 10135656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 10145656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 10155656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 10165656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 101743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 101843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 10195656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 1020d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 1021d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1022d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1023d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 1024d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1025d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 1028d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1031d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 1032d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1033d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 1034d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1035b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1036aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 1038b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 10431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 104563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 104663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 104763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 1053c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 10548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1055b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 10569f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 1057989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 10589f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 10595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1060989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 1061989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 1062989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 10638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 10648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 10651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 106667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 106767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 106867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 10691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 107267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 107567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 107667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 107767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 107867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 10799f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 10809f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1081b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1082989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 1083989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1084989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 1085aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 1087b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 10928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 10938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 109463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 109563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 109663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 11025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 11035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 110543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 11068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 1107b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 11085831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 11095831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1111ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 111243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 111467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 111567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 111667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 11178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1118ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 111999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 112099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 112199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 112299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 112399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 112499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 112599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 112699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 112743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 112843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1129ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1130d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1131d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1132d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1133d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1134d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1135d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 11368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 11418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 11428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1144b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 114567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 114667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 114767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 114867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 114967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 115067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 115167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 11525831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 11535831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 11545831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 11555831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 115667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 1157aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1159b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 11641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 116663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 116763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 116863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1174ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1175507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 117661f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1178ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 117961f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11811de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 11821de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 11831de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1184ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1185ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 11861de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 11871de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 11881de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 11891de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 11901de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1191b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1192aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1194507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 11951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 120163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1207ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 12085f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 12091060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 12125f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 12135f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 12145f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 12157d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 12167d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 12171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 12187d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1220ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1221ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 12225f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 12235f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 12241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 122595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 122695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 12277d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1228b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 122995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 123095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1231ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1232ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 123395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 123495c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 123595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 1236aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1237ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1238ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 12441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 124663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 12475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 12515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1253507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 12545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1255507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 12561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1257d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1258d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1259d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1260d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1261d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1262d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1263aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 12641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1265507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1266861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 12671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 12695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 127363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 12775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1279507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1281507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 12821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1283025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1284025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1285025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1286025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1287025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1288025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1289aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(BreakLoc); } 1290b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 129763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1301c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1302c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1303c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1304c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1305c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1306c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1307c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1308c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 13095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 13111060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1312507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 13135077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1314ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 13155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13165077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 131725a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 13185077c3876beeaed32280af88244e8050078619a8Douglas Gregor 13195077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 13205077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 13215077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 13220de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13230de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 13240de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 13250de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13261060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 13271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 13280de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 13290de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13300de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 13310de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1332b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13335077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 13345077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 13355077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 13365077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 13375077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 13385077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 13395077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1340ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1341aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 13455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 134963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 135063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 135163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 135263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 13535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1355fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1356fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1357fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1358fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 13596a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1360b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1361dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 136239c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 13633b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 13641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1365b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1366b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1367966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 13681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1369966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1370966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1371966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1372966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1373966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1374ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1375fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1376ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1377966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1378ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1379db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1380db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1381b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1382cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1383ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1384966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1385cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1386cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1387cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1388cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1389cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1390cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 139139c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1392cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1393dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 13946ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 13953b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 13963b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1397dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1398458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1399458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1400458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1401458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1402cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1403cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1404458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1405458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1406458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1407458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1408458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1409458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1410458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1411458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1412458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1413458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1414458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1415458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1416458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1417458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1418458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1419458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1420458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1421458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1422458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1424458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1425458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 14261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1427458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1428458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1429458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1430458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1431458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1432458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1433458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1434458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1435458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 14361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1437458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1438458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1439458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1440458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1441458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1442458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1443458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 14441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1445458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1446458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1447458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1448458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 14491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1450686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1451fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1454b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1455b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1456b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1457ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1458ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1459ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1460ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1461ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1462686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputName(unsigned i) const { 1463ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1464ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1465ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1466686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1467ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1468ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1469b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1470b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1471b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1472686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 14731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1474b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1475ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1476ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1477b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1478b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1479b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1481ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 14821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1483b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1484b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1485b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1487b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1488b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1489b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1490b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1491b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1492b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 149485759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 149585759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 149685759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 14971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1498b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 14991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 15011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1502ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1503ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1504ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1506686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputName(unsigned i) const { 1507ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1508ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1509ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1510686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1511ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1512ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1513b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1514b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1515686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1517b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1518ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1519ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1520b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1521ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1522ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1524ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1525935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1526ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1527b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1528b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1529b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1530cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1531acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1532ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1533fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1534fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1535fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1536ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1537fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1538fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1539cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 154010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 15411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 154210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 154310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 154410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1545686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 154610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1547966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1548b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1549d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1550cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1551aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1552fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1553fe795956194141c91ae555985c9b930595bff43fChris Lattner } 15541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1555fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1556fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 15571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1558ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 15591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1560ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1561ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 15621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1563ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1564966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1565ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1567ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1568966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1569ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1571ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1572966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1573ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1575ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1576966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1577d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1579ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 15801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1581ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1582ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 15831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1584d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1585966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1586d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1587d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1588966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1589d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1591d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1592966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1593d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1594d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1595966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1596d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 159863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 159963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 160063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1601fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 160278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 16038cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier/// MSAsmStmt - This represents a MS inline-assembly statement extension. 16048cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier/// 16058cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosierclass MSAsmStmt : public Stmt { 16068cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation AsmLoc, EndLoc; 16078cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier std::string AsmStr; 16088cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16098cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier bool IsSimple; 16108cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier bool IsVolatile; 16118cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16128cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier Stmt **Exprs; 16138cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16148cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosierpublic: 16158cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier MSAsmStmt(ASTContext &C, SourceLocation asmloc, std::string &asmstr, 16168cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation endloc); 16178cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16188cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation getAsmLoc() const { return AsmLoc; } 16198cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setAsmLoc(SourceLocation L) { AsmLoc = L; } 16208cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation getEndLoc() const { return EndLoc; } 16218cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setEndLoc(SourceLocation L) { EndLoc = L; } 16228cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16238cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier bool isVolatile() const { return IsVolatile; } 16248cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setVolatile(bool V) { IsVolatile = V; } 16258cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier bool isSimple() const { return IsSimple; } 16268cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setSimple(bool V) { IsSimple = V; } 16278cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16288cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Asm String Analysis ---===// 16298cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16308cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier const std::string *getAsmString() const { return &AsmStr; } 16318cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier std::string *getAsmString() { return &AsmStr; } 16328cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setAsmString(StringRef &E) { AsmStr = E.str(); } 16338cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16348cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Other ---===// 16358cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16368cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceRange getSourceRange() const LLVM_READONLY { 16378cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return SourceRange(AsmLoc, EndLoc); 16388cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 16398cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier static bool classof(const Stmt *T) { 16408cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return T->getStmtClass() == MSAsmStmtClass; 16418cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 16428cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier static bool classof(const MSAsmStmt *) { return true; } 16438cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16448cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier child_range children() { 16458cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return child_range(&Exprs[0], &Exprs[0]); 16468cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 16478cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier}; 16488cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 164928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 165028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 165128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 165228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 165428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 165528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 165628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 165728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 165828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16597110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 16607110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 16617110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 16627110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 166328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 166428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 166528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 166628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 166728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 1668aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 166928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 167028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 167128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 167228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 167328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 167428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1675ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1676ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1677ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1678ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1679ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1680ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[BLOCK]); 1681ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 168228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 168328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 168428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 168528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 168628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 168728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 168828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 168928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 169028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 169228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 169428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 169628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 169728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 169828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 170028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 170128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 17027110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 17037110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 17047110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 17057110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 170628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 170728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 170828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 170928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 171028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1711aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 171228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 171328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 171428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 171528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 171628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 171728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 171828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 171928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 172028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 172128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 172228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 172328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 172428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 172528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 172628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 172728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 172828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 172928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 173128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 173328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 173428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 173528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 173628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 173828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 174028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 174128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 174228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 174328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 17447110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 17457110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 17467110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 17477110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 174828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 174928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 175028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 175128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 175228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 175328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 175428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1755aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 175628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 175728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 175828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 175928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 176028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 176128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 176228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1763ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1764ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1765ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[TRY]); 1766ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1767ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 176828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 176928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 177028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 177128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 177228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 177328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 177428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 177528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 177628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 177728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 177828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 177928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 178028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 178128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 178228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 178328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1784ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 17855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 17865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1788