Stmt.h revision fd8b43596478b779b6777cb3a595e69d7856c378
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(); } 503fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose 504fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose typedef std::reverse_iterator<decl_iterator> reverse_decl_iterator; 505fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rbegin() { 506fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_end()); 507fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 508fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rend() { 509fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_begin()); 510fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 51744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 518e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 51944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 52044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 52144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 52244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 523e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 525e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 526e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 527e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 529025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 530e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 531e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 532025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 534025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 535b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 536e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 53744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 538aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(SemiLoc); } 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 5441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 54644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 54744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 54844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 5548189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 555b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5573a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmt(ASTContext &C, Stmt **StmtStart, unsigned NumStmts, 5583a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer SourceLocation LB, SourceLocation RB); 5593a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer 5603a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer // \brief Build an empty compound statment with a location. 5613a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer explicit CompoundStmt(SourceLocation Loc) 5623a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer : Stmt(CompoundStmtClass), Body(0), LBracLoc(Loc), RBracLoc(Loc) { 5633a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmtBits.NumStmts = 0; 5641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 565025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 566025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 567025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5688e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 5698e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 571025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 572025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 576025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 5788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 581ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5858e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5878189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5888189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5898e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5908e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5994ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 6008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 6018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 6024ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 6038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 6048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 6058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 6088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 6098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 611aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 6121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 613b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 615cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 616025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 617cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 618025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 6225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 6241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 62663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 62763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 62863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 629ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6308ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 6318ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 6328ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 635c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 636c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 637103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 638c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 639c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 640c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 641103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 642d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 6431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 644c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 645c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 646c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 647c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 648c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 649c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 650d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 65163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 652702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 653702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 654702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 655b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 656aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); } 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 66063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 661c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 662c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 663c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 664c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 665c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 6660a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 668d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 669b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 670dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 671dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 673dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 675d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 67624e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 677d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 678d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 679b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 680dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 681dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 682d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 683025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 684025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 685025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 686025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 687764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 688025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 689dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 690dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 691dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 692dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 693025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 694d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 695d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 696d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 697025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 70051b09f2c528c8460b5465c676173324e44176d62Devang Patel } 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 70351b09f2c528c8460b5465c676173324e44176d62Devang Patel } 70451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 70620dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 70720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 70820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 711aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7123fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 7133fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 71491ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 7153fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 718b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 7231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 724d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 72563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 72663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 72763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 730c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 731d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 7326c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 733dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 736dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 737dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 738025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 739025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 740025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 741025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 742d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 74351b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 744025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 745025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7466c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 747025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 748dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 749dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 751aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 753b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 7581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 759d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 76063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 763ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 764ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 765ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 766ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 768ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 770b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 772ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 773ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 7748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 7751de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 7761de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 7771de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 7781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 780ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 781ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 787b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 788aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 79163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 79263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 800534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// \brief Represents an attribute applied to a statement. 801534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 802534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// Represents an attribute applied to a statement. For example: 803534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// [[omp::for(...)]] for (...) { ... } 804534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 805534986f2b21e6050bf00163cd6423fd92155a6edRichard Smithclass AttributedStmt : public Stmt { 806534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *SubStmt; 807534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation AttrLoc; 8084990890fc9428f98bef90ba349203a648c592778Alexander Kornienko unsigned NumAttrs; 8094990890fc9428f98bef90ba349203a648c592778Alexander Kornienko const Attr *Attrs[1]; 810534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 811534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith friend class ASTStmtReader; 812534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8134990890fc9428f98bef90ba349203a648c592778Alexander Kornienko AttributedStmt(SourceLocation Loc, ArrayRef<const Attr*> Attrs, Stmt *SubStmt) 8144990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass), SubStmt(SubStmt), AttrLoc(Loc), 8154990890fc9428f98bef90ba349203a648c592778Alexander Kornienko NumAttrs(Attrs.size()) { 8164990890fc9428f98bef90ba349203a648c592778Alexander Kornienko memcpy(this->Attrs, Attrs.data(), Attrs.size() * sizeof(Attr*)); 817534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 818534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8194990890fc9428f98bef90ba349203a648c592778Alexander Kornienko explicit AttributedStmt(EmptyShell Empty, unsigned NumAttrs) 8204990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass, Empty), NumAttrs(NumAttrs) { 8214990890fc9428f98bef90ba349203a648c592778Alexander Kornienko memset(Attrs, 0, NumAttrs * sizeof(Attr*)); 822534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 823534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8244990890fc9428f98bef90ba349203a648c592778Alexander Kornienkopublic: 8254990890fc9428f98bef90ba349203a648c592778Alexander Kornienko static AttributedStmt *Create(ASTContext &C, SourceLocation Loc, 8264990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> Attrs, Stmt *SubStmt); 8274990890fc9428f98bef90ba349203a648c592778Alexander Kornienko // \brief Build an empty attributed statement. 8284990890fc9428f98bef90ba349203a648c592778Alexander Kornienko static AttributedStmt *CreateEmpty(ASTContext &C, unsigned NumAttrs); 8294990890fc9428f98bef90ba349203a648c592778Alexander Kornienko 830534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation getAttrLoc() const { return AttrLoc; } 8314990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> getAttrs() const { 8324990890fc9428f98bef90ba349203a648c592778Alexander Kornienko return ArrayRef<const Attr*>(Attrs, NumAttrs); 8334990890fc9428f98bef90ba349203a648c592778Alexander Kornienko } 834534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *getSubStmt() { return SubStmt; } 835534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith const Stmt *getSubStmt() const { return SubStmt; } 836534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 837534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceRange getSourceRange() const LLVM_READONLY { 838534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return SourceRange(AttrLoc, SubStmt->getLocEnd()); 839534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 840534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith child_range children() { return child_range(&SubStmt, &SubStmt + 1); } 841534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 842534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const Stmt *T) { 843534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return T->getStmtClass() == AttributedStmtClass; 844534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 845534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const AttributedStmt *) { return true; } 846534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith}; 847534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 848534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 85243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 8538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 8548cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 855b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 856d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 857ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 859ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 86044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 861ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 862025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 863025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 864025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 8658cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 8668cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 8678cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 8688cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 8698cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 8708cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 8718cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 8728cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 87343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 87443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 875ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 876d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 877d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 878d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 879d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 880d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 881ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 883025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 8851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 8868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 887025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 8918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 892b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 893025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 894025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 895d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 896d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 897025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 898aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 899b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 900b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 901b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 902b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 903b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 90663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 90763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 90863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 90963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 91063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 92043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 9211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 922c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 923c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 9249dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 9251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 926559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 927559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 928559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 929559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 930559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 9315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 93243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 934025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 935025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 936025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 937d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 938d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 939d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 940d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 941d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 942d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 943d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 944d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 945d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 94643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 94743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 948ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 949d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 950d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 951d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 952d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 953d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 954d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 9558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 957c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 958c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 960025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 9618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 962025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 963c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 9641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 96543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 96643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 96743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 96843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 969025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 970025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 971025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 972025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 973c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 9769dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 978c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 979ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 980ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 981c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 982c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 983c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 984559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 985559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 986559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 987559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 988559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 989559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 990559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 991559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 992559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 993559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 994559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 995559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 996559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 997aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 9999dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 100063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 100163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 100263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 100363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 100463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 10051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 101543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 10168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1017b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 10185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1019ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 102043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 10211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1022d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 1023d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 1024d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10255656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 10265656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 10275656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 10285656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 10295656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 10305656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 10315656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 10325656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 103343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 103443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 10355656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 1036d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 1037d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1038d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1039d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 1040d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1041d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 1044d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1047d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 1048d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1049d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 1050d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1051b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1052aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 1054b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 10575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 10591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 106163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 106263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 106363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 1069c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 10708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1071b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 10729f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 1073989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 10749f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1076989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 1077989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 1078989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 10798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 10808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 108267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 108367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 108467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 108867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 109167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 109267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 109367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 109467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 10959f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 10969f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1097b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1098989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 1099989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1100989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 1101aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 1103b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 11041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 11088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 111063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 111163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 111263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 112143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 11228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 1123b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 11245831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 11255831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1127ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 112843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 11291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 113167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 113267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 11338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1134ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 113599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 113699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 113799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 113899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 113999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 114099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 114199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 114299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 114343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 114443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1145ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1146d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1147d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1148d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1149d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1150d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1151d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 11528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 11578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 11588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1160b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 116167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 116267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 116367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 116467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 116567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 116667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 116767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 11685831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 11695831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 11705831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 11715831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 117267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 1173aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1175b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 11761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 11785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 118263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 118363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 118463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1190ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1191507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 119261f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1194ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 119561f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 11961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11971de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 11981de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 11991de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1200ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1201ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 12021de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 12031de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 12041de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 12051de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 12061de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1207b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1208aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1210507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 12111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 121763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1223ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 12245f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 12251060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 12265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 12285f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 12295f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 12305f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 12317d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 12327d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 12331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 12347d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1236ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1237ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 12385f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 12395f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 12401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 124195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 124295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 12437d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1244b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 124595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 124695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1247ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1248ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 124995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 125095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 125195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 1252aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1253ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1254ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 12601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 126263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 12675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1269507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1271507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 12721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1273d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1274d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1275d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1276d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1277d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1278d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1279aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 12801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1281507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1282861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 12831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 12871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 128963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1295507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1297507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1299025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1300025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1301025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1302025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1303025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1304025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1305aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(BreakLoc); } 1306b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 13095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 13111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 131363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1317c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1318c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1319c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1320c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1321c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1322c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1323c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1324c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 13255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 13271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1328507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 13295077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1330ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 13315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13325077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 133325a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 13345077c3876beeaed32280af88244e8050078619a8Douglas Gregor 13355077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 13365077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 13375077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 13380de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13390de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 13400de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 13410de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13421060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 13431060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 13440de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 13450de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13460de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 13470de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1348b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13495077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 13505077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 13515077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 13525077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 13535077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 13545077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 13555077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1356ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1357aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 13615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 136563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 136663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 136763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 136863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 13695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1371fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1372fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1373fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1374fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 13756a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1376b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1377dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 137839c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 13793b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1381b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1382b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1383966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 13841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1385966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1386966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1387966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1388966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1389966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1390ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1391fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1392ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1393966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1394ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1395db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1396db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1397b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1398cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1399ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1400966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1401cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1402cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1403cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1404cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1405cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1406cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 140739c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1408cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1409dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 14106ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 14113b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 14123b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1413dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1414458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1415458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1416458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1417458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1418cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1419cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1420458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1421458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1422458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1423458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1424458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1425458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1426458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1427458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1428458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1429458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1430458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1431458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1432458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1433458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1434458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1435458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1436458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1437458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1438458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 14391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1440458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1441458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 14421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1443458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1444458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1445458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1446458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1447458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1448458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1449458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1450458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1451458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1453458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1454458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1455458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1456458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1457458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1458458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1459458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 14601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1461458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1462458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1463458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1464458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1466686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1467fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 14681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1470b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1471b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1472b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1473ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1474ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1475ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1476ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1477ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1478686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputName(unsigned i) const { 1479ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1480ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1481ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1482686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1483ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1484ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1485b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1486b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1487b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1488686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 14891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1490b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1491ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1492ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1493b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1494b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1495b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 14961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1497ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 14981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1499b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1500b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1501b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 15021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1503b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1504b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1505b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1506b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1507b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1508b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 15091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 151085759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 151185759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 151285759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 15131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1514b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 15151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 15171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1518ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1519ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1520ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1522686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputName(unsigned i) const { 1523ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1524ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1525ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1526686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1527ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1528ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1529b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1530b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1531686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 15321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1533b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1534ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1535ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1536b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1537ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1538ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1540ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1541935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1542ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1543b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1544b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1545b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1546cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1547acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1548ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1549fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1550fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1551fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1552ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1553fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1554fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1555cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 155610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 15571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 155810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 155910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 156010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1561686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 156210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1563966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1564b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1565d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1566cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1567aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1568fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1569fe795956194141c91ae555985c9b930595bff43fChris Lattner } 15701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1571fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1572fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 15731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1574ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 15751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1576ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1577ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1579ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1580966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1581ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1583ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1584966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1585ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1587ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1588966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1589ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 15901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1591ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1592966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1593d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 15941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1595ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 15961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1597ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1598ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 15991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1600d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1601966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1602d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1603d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1604966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1605d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 16061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1607d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1608966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1609d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1610d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1611966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1612d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 16131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 161463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 161563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 161663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1617fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 161878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 16198cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier/// MSAsmStmt - This represents a MS inline-assembly statement extension. 16208cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier/// 16218cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosierclass MSAsmStmt : public Stmt { 16228cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation AsmLoc, EndLoc; 16238cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier std::string AsmStr; 16248cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16258cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier bool IsSimple; 16268cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier bool IsVolatile; 16278cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16288cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier Stmt **Exprs; 16298cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16308cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosierpublic: 16318cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier MSAsmStmt(ASTContext &C, SourceLocation asmloc, std::string &asmstr, 16328cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation endloc); 16338cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16348cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation getAsmLoc() const { return AsmLoc; } 16358cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setAsmLoc(SourceLocation L) { AsmLoc = L; } 16368cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation getEndLoc() const { return EndLoc; } 16378cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setEndLoc(SourceLocation L) { EndLoc = L; } 16388cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16398cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier bool isVolatile() const { return IsVolatile; } 16408cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setVolatile(bool V) { IsVolatile = V; } 16418cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier bool isSimple() const { return IsSimple; } 16428cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setSimple(bool V) { IsSimple = V; } 16438cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16448cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Asm String Analysis ---===// 16458cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16468cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier const std::string *getAsmString() const { return &AsmStr; } 16478cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier std::string *getAsmString() { return &AsmStr; } 16488cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setAsmString(StringRef &E) { AsmStr = E.str(); } 16498cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16508cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Other ---===// 16518cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16528cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceRange getSourceRange() const LLVM_READONLY { 16538cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return SourceRange(AsmLoc, EndLoc); 16548cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 16558cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier static bool classof(const Stmt *T) { 16568cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return T->getStmtClass() == MSAsmStmtClass; 16578cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 16588cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier static bool classof(const MSAsmStmt *) { return true; } 16598cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16608cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier child_range children() { 16618cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return child_range(&Exprs[0], &Exprs[0]); 16628cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 16638cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier}; 16648cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 166528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 166628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 166728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 166828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 166928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 167028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 167128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 167228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 167328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 167428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 16757110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 16767110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 16777110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 16787110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 167928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 168028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 168128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 168228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 168328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 1684aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 168528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 168628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 168728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 168828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 168928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 169028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1691ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1692ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1693ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1694ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1695ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1696ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[BLOCK]); 1697ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 169828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 169928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 170028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 170128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 170228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 170328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 170428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 170528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 170628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 170728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 170828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 170928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 171028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 171128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 171228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 171328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 171428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 171528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 171628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 171728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 17187110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 17197110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 17207110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 17217110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 172228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 172328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 172428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 172528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 172628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1727aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 172828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 172928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 173028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 173228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 173328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 173528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 173728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 173828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 173928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 174028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 174128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 174228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 174328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 174428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 174528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 174628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 174728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 174828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 174928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 175028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 175128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 175228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 175328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 175428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 175528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 175628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 175728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 175828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 175928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 17607110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 17617110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 17627110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 17637110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 176428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 176528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 176628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 176728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 176828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 176928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 177028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1771aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 177228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 177328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 177428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 177528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 177628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 177728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 177828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1779ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1780ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1781ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[TRY]); 1782ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1783ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 178428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 178528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 178628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 178728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 178828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 178928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 179028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 179128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 179228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 179328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 179428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 179528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 179628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 179728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 179828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 179928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1800ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 18025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1804