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" 238f726de55412870ef70e788b852c6cc50873e15bChad Rosier#include "clang/Lex/Token.h" 249594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/ADT/SmallVector.h" 25aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 26aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/raw_ostream.h" 276e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 34e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 377ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 384b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 40478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class LabelDecl; 410c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 426a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 436c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 44478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class VarDecl; 451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 50ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 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 bool operator>=(const ExprIterator& R) const { return I >= R.I; } 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 751705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 771705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 801705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 811705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 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; } 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 92ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 93ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 94ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 101f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 102f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 1037381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1049a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1057381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1069a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1077381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1084bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1098e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 114b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be allocated with regular 'new'."); 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 117b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be released with regular 'delete'."); 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 140d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 141bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 142bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 143bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 144bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 145bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 148ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCArrayLiteral; // ctor 149ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCDictionaryLiteral; // ctor 150bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 151bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 152bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 153bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 154bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1554b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 156dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 160f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1618e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1628e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 163561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 164d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 166561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 168bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class CharacterLiteralBitfields { 169bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class CharacterLiteral; 170bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 171bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 172bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 173bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 174bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 175bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class FloatingLiteralBitfields { 176bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class FloatingLiteral; 177bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 178bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 179bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsIEEE : 1; // Distinguishes between PPC128 and IEEE128. 180bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsExact : 1; 181bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 182bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 183bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class UnaryExprOrTypeTraitExprBitfields { 184bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class UnaryExprOrTypeTraitExpr; 185bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 186bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 187bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 188bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsType : 1; // true if operand is a type, false if an expression. 189bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 190bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 191cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 192cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 193cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 194cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 195cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 196cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 197e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned HasTemplateKWAndArgsInfo : 1; 1983aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 1997cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 200f4b88a45902af1802a1cb42ba48b1c474474f228John McCall unsigned RefersToEnclosingLocal : 1; 201cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 202cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 2038e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 2048e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 2058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 2068e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 2072bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 2082bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 2098e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2108e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 211cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 212cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 213cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 214cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 215cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 216cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 217cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 21880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall class ExprWithCleanupsBitfields { 21980ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ExprWithCleanups; 22080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; // deserialization 22180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 22280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned : NumExprBits; 22380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 22480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned NumObjects : 32 - NumExprBits; 22580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall }; 22680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 2274b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 2284b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 2294b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 2304b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2314b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 2324b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2334b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 2344b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 2354b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 2364b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 2374b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 2384b9c2d235fb9449e249d74f48ecfec601650de93John McCall 239f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 240f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 241f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 242f85e193739c953358c865005855253af4f68a497John McCall 243f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 244f85e193739c953358c865005855253af4f68a497John McCall }; 245f85e193739c953358c865005855253af4f68a497John McCall 24632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl class InitListExprBitfields { 24732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl friend class InitListExpr; 24832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 24932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned : NumExprBits; 25032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list originally had a GNU array-range 25232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// designator in it. This is a temporary marker used by CodeGen. 25332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned HadArrayRangeDesignator : 1; 25432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list initializes a std::initializer_list 25632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// object. 25732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned InitializesStdInitializerList : 1; 25832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl }; 25932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 2604ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor class TypeTraitExprBitfields { 2614ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class TypeTraitExpr; 2624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 2634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 2644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned : NumExprBits; 2664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The kind of type trait, which is a value of a TypeTrait enumerator. 2684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Kind : 8; 2694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief If this expression is not value-dependent, this indicates whether 2714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// the trait evaluated true or false. 2724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Value : 1; 2734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The number of arguments to this type trait. 2754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned NumArgs : 32 - 8 - 1 - NumExprBits; 2764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor }; 2774ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 27963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 28063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 28163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 285bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer CharacterLiteralBitfields CharacterLiteralBits; 286bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer FloatingLiteralBitfields FloatingLiteralBits; 287bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits; 288cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2898e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 290cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 29180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanupsBitfields ExprWithCleanupsBits; 2924b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 293f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 29432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl InitListExprBitfields InitListExprBits; 2954ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExprBitfields TypeTraitExprBits; 2968e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2978e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 298d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 2994ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 300d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 3018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 3028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 3031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 3048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 305f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 3078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 310f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 3118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 3128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 3158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 3168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 317e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 318fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 319fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 320e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 321fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 322e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 323025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 324025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 325025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 326025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 327025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 328025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 32902892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbarprivate: 33002892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar /// \brief Whether statistic collection is enabled. 33102892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static bool StatisticsEnabled; 33202892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar 3339c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 334025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 3358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 3368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 33702892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 338025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 339025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3418e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 3428e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 34302892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 346ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 3478e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 348b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 3501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 351b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 352b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 353b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 354aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 355aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocStart() const LLVM_READONLY; 356aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocEnd() const LLVM_READONLY; 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 36002892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static void EnableStatistics(); 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 3626000dace22f110d8768476989313e9d981d690d0Chris Lattner 3636000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 3646000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 3656000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 366f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump() const; 367f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump(SourceManager &SM) const; 3688cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 3696000dace22f110d8768476989313e9d981d690d0Chris Lattner 3706000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 3716000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 372e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 3736000dace22f110d8768476989313e9d981d690d0Chris Lattner 3746000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 3756000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 376d1420c6fa788669e49f21e184927c7833881e399Richard Smith void dumpPretty(ASTContext &Context) const; 3778cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 378e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 379d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 381d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 382d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 383d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3857e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3867e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3877e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3887e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 389a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 390a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 391a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 392a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 393a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 394a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 3971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 398d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 399d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 400d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 401d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 402d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 403d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 404d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 40563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 40663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 40763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 4089caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 4099caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 41263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 4131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 41563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 41663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 41777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 4181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 42063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 42163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 42263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 42363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 42441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 42541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 42641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 42770517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param ID once the profiling operation is complete, will contain 42841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 42941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43070517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param Context the AST context in which the statement resides 43141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 43270517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param Canonical whether the profile should be based on the canonical 43341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 43541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 43641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 4374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 438b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 4431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 4479653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 44881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 4491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 4528ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 4538ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 45684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 45784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4587e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 459fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 4607e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 461fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 4628ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 4631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4647e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 4651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 467e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 468e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 46984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 470b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 47181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 47284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 47381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 47484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 47584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 476aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 47781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 47881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 4791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48514f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 48663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 48763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 48863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 48963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4910632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4920632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4948ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4958ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 4968ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 4978ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 498fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose 499fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose typedef std::reverse_iterator<decl_iterator> reverse_decl_iterator; 500fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rbegin() { 501fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_end()); 502fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 503fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rend() { 504fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_begin()); 505fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 51244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 513e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 51444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 51544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 51644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 51744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 518e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 520e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 521e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 522e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 524025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 525e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 526e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 527025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 529025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 530b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 531e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 53244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 533aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(SemiLoc); } 5341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 54144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 54244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 54344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 5498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 550b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5523a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmt(ASTContext &C, Stmt **StmtStart, unsigned NumStmts, 5533a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer SourceLocation LB, SourceLocation RB); 5543a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer 5553a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer // \brief Build an empty compound statment with a location. 5563a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer explicit CompoundStmt(SourceLocation Loc) 5573a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer : Stmt(CompoundStmtClass), Body(0), LBracLoc(Loc), RBracLoc(Loc) { 5583a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmtBits.NumStmts = 0; 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 560025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 561025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 562025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 5648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 566025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 567025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 5681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5698e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 571025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 5738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 576ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5828189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5858e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5868189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5878189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5888189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5944ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 5974ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 5998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 6008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 6038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 6048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 606aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 6071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 608b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 610cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 611025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 612cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 613025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 62163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 62263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 62363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 624ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6258ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 6268ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 6278ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 630c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 631c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 632103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 633c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 634c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 635c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 636103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 637d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 6381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 639c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 640c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 641c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 642c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 643c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 644c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 645d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 64663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 647702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 648702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 649702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 650b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 651aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); } 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 65563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 656c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 657c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 658c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 659c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 660c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 6610a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 663d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 664b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 665dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 666dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 668dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 670d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 67124e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 672d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 673d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 674b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 675dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 676dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 677d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 678025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 679025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 680025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 681025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 682764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 683025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 684dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 685dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 686dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 687dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 688025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 689d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 690d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 691d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 692025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 69551b09f2c528c8460b5465c676173324e44176d62Devang Patel } 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 6971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 69851b09f2c528c8460b5465c676173324e44176d62Devang Patel } 69951b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 70120dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 70220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 70320dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 706aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7073fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 7083fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 70991ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 7103fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 7111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 713b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 7181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 719d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 72063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 72163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 72263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 725c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 726d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 7276c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 728dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 731dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 732dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 733025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 734025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 735025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 736025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 737d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 73851b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 739025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 740025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7416c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 742025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 743dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 744dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 746aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 748b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 754d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 75563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 758ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 759ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 760ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 761ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 763ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 765b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 767ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 768ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 7698e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 7701de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 7711de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 7721de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 775ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 776ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 782b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 783aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 7851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 78663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 78763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 795534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// \brief Represents an attribute applied to a statement. 796534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 797534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// Represents an attribute applied to a statement. For example: 798534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// [[omp::for(...)]] for (...) { ... } 799534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 800534986f2b21e6050bf00163cd6423fd92155a6edRichard Smithclass AttributedStmt : public Stmt { 801534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *SubStmt; 802534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation AttrLoc; 8034990890fc9428f98bef90ba349203a648c592778Alexander Kornienko unsigned NumAttrs; 8044990890fc9428f98bef90ba349203a648c592778Alexander Kornienko const Attr *Attrs[1]; 805534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 806534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith friend class ASTStmtReader; 807534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8084990890fc9428f98bef90ba349203a648c592778Alexander Kornienko AttributedStmt(SourceLocation Loc, ArrayRef<const Attr*> Attrs, Stmt *SubStmt) 8094990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass), SubStmt(SubStmt), AttrLoc(Loc), 8104990890fc9428f98bef90ba349203a648c592778Alexander Kornienko NumAttrs(Attrs.size()) { 8114990890fc9428f98bef90ba349203a648c592778Alexander Kornienko memcpy(this->Attrs, Attrs.data(), Attrs.size() * sizeof(Attr*)); 812534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 813534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8144990890fc9428f98bef90ba349203a648c592778Alexander Kornienko explicit AttributedStmt(EmptyShell Empty, unsigned NumAttrs) 8154990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass, Empty), NumAttrs(NumAttrs) { 8164990890fc9428f98bef90ba349203a648c592778Alexander Kornienko memset(Attrs, 0, NumAttrs * sizeof(Attr*)); 817534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 818534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8194990890fc9428f98bef90ba349203a648c592778Alexander Kornienkopublic: 8204990890fc9428f98bef90ba349203a648c592778Alexander Kornienko static AttributedStmt *Create(ASTContext &C, SourceLocation Loc, 8214990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> Attrs, Stmt *SubStmt); 8224990890fc9428f98bef90ba349203a648c592778Alexander Kornienko // \brief Build an empty attributed statement. 8234990890fc9428f98bef90ba349203a648c592778Alexander Kornienko static AttributedStmt *CreateEmpty(ASTContext &C, unsigned NumAttrs); 8244990890fc9428f98bef90ba349203a648c592778Alexander Kornienko 825534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation getAttrLoc() const { return AttrLoc; } 8264990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> getAttrs() const { 8274990890fc9428f98bef90ba349203a648c592778Alexander Kornienko return ArrayRef<const Attr*>(Attrs, NumAttrs); 8284990890fc9428f98bef90ba349203a648c592778Alexander Kornienko } 829534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *getSubStmt() { return SubStmt; } 830534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith const Stmt *getSubStmt() const { return SubStmt; } 831534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 832534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceRange getSourceRange() const LLVM_READONLY { 833534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return SourceRange(AttrLoc, SubStmt->getLocEnd()); 834534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 835534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith child_range children() { return child_range(&SubStmt, &SubStmt + 1); } 836534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 837534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const Stmt *T) { 838534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return T->getStmtClass() == AttributedStmtClass; 839534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 840534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const AttributedStmt *) { return true; } 841534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith}; 842534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 843534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 84743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 8488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 8498cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 850b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 851d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 852ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 854ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 85544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 856ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 857025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 858025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 859025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 8608cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 8618cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 8628cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 8638cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 8648cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 8658cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 8668cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 8678cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 86843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 86943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 870ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 871d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 872d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 873d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 874d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 875d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 876ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 878025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 8818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 882025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 8868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 887b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 888025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 889025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 890d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 891d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 892025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 893aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 894b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 895b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 896b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 897b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 898b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 90163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 90263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 90363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 90463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 90563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 91543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 917c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 918c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 9199dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 921559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 922559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 923559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 924559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 925559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 92743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 9281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 929025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 930025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 931025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 932d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 933d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 934d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 935d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 936d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 937d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 938d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 939d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 940d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 94143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 94243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 943ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 944d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 945d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 946d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 947d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 948d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 949d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 9508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 952c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 953c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 955025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 9568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 957025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 958c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 96043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 96143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 96243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 96343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 964025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 965025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 966025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 967025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 968c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 9701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 9719dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 973c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 974ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 975ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 976c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 977c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 978c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 979559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 980559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 981559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 982559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 983559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 984559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 985559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 986559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 987559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 988559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 989559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 990559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 991559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 992aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 9931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 9949dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 99563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 99663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 99763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 99863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 99963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 101043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 10118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1012b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1014ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 101543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 10161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1017d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 1018d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 1019d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10205656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 10215656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 10225656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 10235656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 10245656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 10255656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 10265656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 10275656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 102843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 102943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 10305656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 1031d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 1032d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1033d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1034d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 1035d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1036d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 1039d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1042d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 1043d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1044d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 1045d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1046b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1047aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 1049b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 105663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 105763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 105863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 1064c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 10658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1066b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 10679f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 1068989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 10699f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1071989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 1072989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 1073989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 10748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 10758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 107767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 107867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 107967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 108367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 108667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 108767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 108867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 108967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 10909f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 10919f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1092b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1093989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 1094989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1095989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 1096aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 1098b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 11038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 110563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 110663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 110763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 111643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 11178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 1118b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 11195831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 11205831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1122ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 112343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 112567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 112667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 112767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 11288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1129ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 113099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 113199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 113299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 113399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 113499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 113599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 113699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 113799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 113843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 113943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1140ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1141d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1142d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1143d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1144d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1145d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1146d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 11478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 11528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 11538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1155b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 115667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 115767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 115867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 115967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 116067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 116167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 116267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 11635831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 11645831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 11655831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 11665831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 116767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 1168aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1170b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 11711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 11751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 117763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 117863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 117963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1185ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1186507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 118761f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1189ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 119061f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 11911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11921de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 11931de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 11941de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1195ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1196ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 11971de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 11981de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 11991de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 12001de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 12011de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1202b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1203aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 12041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1205507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 12101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 121263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1218ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 12195f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 12201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 12235f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 12245f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 12255f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 12267d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 12277d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 12297d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1231ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1232ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 12335f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 12345f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 123695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 123795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 12387d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1239b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 124095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 124195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1242ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1243ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 124495c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 124595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 124695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 1247aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1248ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1249ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 12501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 12535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 125763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1264507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1266507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 12671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1268d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1269d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1270d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1271d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1272d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1273d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1274aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 12751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1276507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1277861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 12781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 12821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 128463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1290507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1292507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 12931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1294025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1295025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1296025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1297025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1298025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1299025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1300aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(BreakLoc); } 1301b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 13045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 130863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 13095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1312c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1313c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1314c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1315c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1316c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1317c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1318c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1319c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 13205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 13221060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1323507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 13245077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1325ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13275077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 132825a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 13295077c3876beeaed32280af88244e8050078619a8Douglas Gregor 13305077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 13315077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 13325077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 13330de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13340de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 13350de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 13360de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13371060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 13381060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 13390de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 13400de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13410de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 13420de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1343b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13445077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 13455077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 13465077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 13475077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 13485077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 13495077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 13505077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1351ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1352aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 136063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 136163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 136263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 136363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 13645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1366728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier/// AsmStmt is the base class for GCCAsmStmt and MSAsmStmt. 1367728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier/// 1368728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass AsmStmt : public Stmt { 1369728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierprotected: 1370066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation AsmLoc; 137112b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// \brief True if the assembly statement does not have any input or output 137212b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// operands. 1373728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool IsSimple; 137412b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier 137512b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// \brief If true, treat this inline assembly as having side effects. 137612b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// This assembly statement should not be optimized, deleted or moved. 1377728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool IsVolatile; 1378728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1379066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumOutputs; 1380066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumInputs; 1381066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumClobbers; 1382066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1383066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier IdentifierInfo **Names; 138419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier Stmt **Exprs; 1385066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1386066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier AsmStmt(StmtClass SC, SourceLocation asmloc, bool issimple, bool isvolatile, 1387066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned numoutputs, unsigned numinputs, unsigned numclobbers) : 1388066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier Stmt (SC), AsmLoc(asmloc), IsSimple(issimple), IsVolatile(isvolatile), 1389066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier NumOutputs(numoutputs), NumInputs(numinputs), NumClobbers(numclobbers) { } 1390728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1391728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierpublic: 1392728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier /// \brief Build an empty inline-assembly statement. 1393728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit AsmStmt(StmtClass SC, EmptyShell Empty) : 139419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier Stmt(SC, Empty), Names(0), Exprs(0) { } 139529760b452876548f59804e8c02c3276bc7281d5dMatt Beaumont-Gay 1396066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation getAsmLoc() const { return AsmLoc; } 1397066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1398728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1399728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool isSimple() const { return IsSimple; } 1400728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier void setSimple(bool V) { IsSimple = V; } 1401728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1402728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool isVolatile() const { return IsVolatile; } 1403728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier void setVolatile(bool V) { IsVolatile = V; } 1404728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1405728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); } 1406728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1407da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier //===--- Asm String Analysis ---===// 1408da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 1409da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 1410aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier std::string generateAsmString(ASTContext &C) const; 1411da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 1412066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Output operands ---===// 1413066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1414066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned getNumOutputs() const { return NumOutputs; } 1415066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1416066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier IdentifierInfo *getOutputIdentifier(unsigned i) const { 1417066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return Names[i]; 1418066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier } 1419066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1420066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier StringRef getOutputName(unsigned i) const { 1421066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier if (IdentifierInfo *II = getOutputIdentifier(i)) 1422066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return II->getName(); 1423066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1424066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return StringRef(); 1425066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier } 1426066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1427c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getOutputConstraint - Return the constraint string for the specified 1428c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// output operand. All output constraints are known to be non-empty (either 1429c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// '=' or '+'). 1430aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getOutputConstraint(unsigned i) const; 1431c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1432c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// isOutputPlusConstraint - Return true if the specified output constraint 1433c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// is a "+" constraint (which is both an input and an output) or false if it 1434c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// is an "=" constraint (just an output). 1435c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier bool isOutputPlusConstraint(unsigned i) const { 1436c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier return getOutputConstraint(i)[0] == '+'; 1437c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier } 1438c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1439aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier const Expr *getOutputExpr(unsigned i) const; 1440c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1441c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getNumPlusOperands - Return the number of output operands that have a "+" 1442c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// constraint. 1443c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier unsigned getNumPlusOperands() const; 1444c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1445066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Input operands ---===// 1446066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1447066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned getNumInputs() const { return NumInputs; } 1448066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1449066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier IdentifierInfo *getInputIdentifier(unsigned i) const { 1450066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return Names[i + NumOutputs]; 1451066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier } 1452066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1453066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier StringRef getInputName(unsigned i) const { 1454066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier if (IdentifierInfo *II = getInputIdentifier(i)) 1455066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return II->getName(); 1456066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1457066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return StringRef(); 1458066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier } 1459066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1460c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getInputConstraint - Return the specified input constraint. Unlike output 1461c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// constraints, these can be empty. 1462aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getInputConstraint(unsigned i) const; 1463aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier 1464aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier const Expr *getInputExpr(unsigned i) const; 1465c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1466066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Other ---===// 1467066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 14682fd559f041d49863a7396d9e330bc9dae95ac8c4Chad Rosier unsigned getNumClobbers() const { return NumClobbers; } 1469aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getClobber(unsigned i) const; 14702fd559f041d49863a7396d9e330bc9dae95ac8c4Chad Rosier 1471728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier static bool classof(const Stmt *T) { 1472728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier return T->getStmtClass() == GCCAsmStmtClass || 1473728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier T->getStmtClass() == MSAsmStmtClass; 1474728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier } 1475728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier static bool classof(const AsmStmt *) { return true; } 147619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 147719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier // Input expr iterators. 147819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 147919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ExprIterator inputs_iterator; 148019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ConstExprIterator const_inputs_iterator; 148119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 148219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier inputs_iterator begin_inputs() { 148319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 148419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 148519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 148619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier inputs_iterator end_inputs() { 148719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs + NumInputs; 148819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 148919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 149019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_inputs_iterator begin_inputs() const { 149119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 149219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 149319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 149419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_inputs_iterator end_inputs() const { 149519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs + NumInputs; 149619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 149719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 149819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier // Output expr iterators. 149919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 150019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ExprIterator outputs_iterator; 150119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ConstExprIterator const_outputs_iterator; 150219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 150319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier outputs_iterator begin_outputs() { 150419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0]; 150519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 150619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier outputs_iterator end_outputs() { 150719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 150819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 150919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 151019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_outputs_iterator begin_outputs() const { 151119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0]; 151219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 151319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_outputs_iterator end_outputs() const { 151419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 151519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 151619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 151719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier child_range children() { 151819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 151919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 1520728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier}; 1521728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 15227d2c5ca9c3dad400f66aca58eebef321c04cf57eChad Rosier/// This represents a GCC inline-assembly statement extension. 1523fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1524728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass GCCAsmStmt : public AsmStmt { 1525066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation RParenLoc; 15266a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1527b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1528966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1529966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1530966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1531ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1532fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1533df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier GCCAsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, 1534df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier bool isvolatile, unsigned numoutputs, unsigned numinputs, 1535df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier IdentifierInfo **names, StringLiteral **constraints, Expr **exprs, 1536df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier StringLiteral *asmstr, unsigned numclobbers, 1537df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier StringLiteral **clobbers, SourceLocation rparenloc); 1538b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1539cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1540728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit GCCAsmStmt(EmptyShell Empty) : AsmStmt(GCCAsmStmtClass, Empty), 154119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier Constraints(0), Clobbers(0) { } 1542cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1543cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1544cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1545cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1546458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1547458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1548458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1549458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1550cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1551cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1552458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1553458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1554458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1555458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1556458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1557458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1558458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1559458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1560458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1561458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1562458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1563458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1564458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1565458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1566458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1567458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1568458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1569458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1570458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1572458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1573458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 15741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1575458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1576458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1577458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1578458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1579458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1580458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1581458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1582458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1583458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1585458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1586458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1587458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1588458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1589458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1590458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1591458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 15921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1593458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1594458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1595458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1596458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 15971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1598686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1599fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 16001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1601da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 1602da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier std::string generateAsmString(ASTContext &C) const; 16031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1604b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1605b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1606686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 16071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1608b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1609ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1610ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1611b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1612b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1613b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 16141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1615ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 16161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1617b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1618df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return const_cast<GCCAsmStmt*>(this)->getOutputExpr(i); 1619b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 16201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1621b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 16221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1623686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 16241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1625b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1626ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1627ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1628b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1629ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1630ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 16311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1632ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1633935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1634ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1635b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1636df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return const_cast<GCCAsmStmt*>(this)->getInputExpr(i); 1637b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1638cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1639acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1640ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1641fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1642fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1643fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1644ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1645fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1646fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1647cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 164810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 16491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 165010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 165110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 165210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1653686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 165410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 165533f0558f75f70061707d1388e305b8f92f4e55deChad Rosier StringRef getClobber(unsigned i) const; 16565c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier StringLiteral *getClobberStringLiteral(unsigned i) { return Clobbers[i]; } 16575c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier const StringLiteral *getClobberStringLiteral(unsigned i) const { 16585c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier return Clobbers[i]; 16595c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier } 1660cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1661aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1662fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1663fe795956194141c91ae555985c9b930595bff43fChris Lattner } 16641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1665df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier static bool classof(const Stmt *T) { 1666df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return T->getStmtClass() == GCCAsmStmtClass; 1667df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier } 1668df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier static bool classof(const GCCAsmStmt *) { return true; } 1669fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 167078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 16717d2c5ca9c3dad400f66aca58eebef321c04cf57eChad Rosier/// This represents a Microsoft inline-assembly statement extension. 16728cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier/// 1673728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass MSAsmStmt : public AsmStmt { 16747bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier SourceLocation AsmLoc, LBraceLoc, EndLoc; 16758cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier std::string AsmStr; 16768cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 167779efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier unsigned NumAsmToks; 167879efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier 167979efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier Token *AsmToks; 168089fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef *Constraints; 168133c72e1c0bbb477cf36dd7becd933b860c42ed8cChad Rosier StringRef *Clobbers; 16828cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16838cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosierpublic: 16847bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier MSAsmStmt(ASTContext &C, SourceLocation asmloc, SourceLocation lbraceloc, 16857bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier bool issimple, bool isvolatile, ArrayRef<Token> asmtoks, 1686058ab170a5b8597f32c3f343a1e9de2cd7b05848Chad Rosier ArrayRef<IdentifierInfo*> inputs, ArrayRef<IdentifierInfo*> outputs, 1687633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier ArrayRef<Expr*> inputexprs, ArrayRef<Expr*> outputexprs, 168889fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef asmstr, ArrayRef<StringRef> constraints, 168989fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier ArrayRef<StringRef> clobbers, SourceLocation endloc); 16908cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1691cd518a0ebc7c0a6aa41d717c360462540ef80a76Chad Rosier /// \brief Build an empty MS-style inline-assembly statement. 1692728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit MSAsmStmt(EmptyShell Empty) : AsmStmt(MSAsmStmtClass, Empty), 169389fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier NumAsmToks(0), AsmToks(0), Constraints(0), Clobbers(0) { } 1694cd518a0ebc7c0a6aa41d717c360462540ef80a76Chad Rosier 16957bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier SourceLocation getLBraceLoc() const { return LBraceLoc; } 16967bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier void setLBraceLoc(SourceLocation L) { LBraceLoc = L; } 16978cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation getEndLoc() const { return EndLoc; } 16988cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setEndLoc(SourceLocation L) { EndLoc = L; } 16998cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 17007bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier bool hasBraces() const { return LBraceLoc.isValid(); } 17017bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier 170279efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier unsigned getNumAsmToks() { return NumAsmToks; } 170379efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier Token *getAsmToks() { return AsmToks; } 17048f726de55412870ef70e788b852c6cc50873e15bChad Rosier 17058cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Asm String Analysis ---===// 17068cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 17078cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier const std::string *getAsmString() const { return &AsmStr; } 17088cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier std::string *getAsmString() { return &AsmStr; } 17098cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setAsmString(StringRef &E) { AsmStr = E.str(); } 17108cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1711da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 1712da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier std::string generateAsmString(ASTContext &C) const; 1713da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 17142603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier //===--- Output operands ---===// 17152603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 171689fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef getOutputConstraint(unsigned i) const { 171789fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier return Constraints[i]; 171889fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier } 1719c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1720633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier Expr *getOutputExpr(unsigned i); 1721633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier 17222603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier const Expr *getOutputExpr(unsigned i) const { 17232603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier return const_cast<MSAsmStmt*>(this)->getOutputExpr(i); 17242603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier } 17252603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 17262603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier //===--- Input operands ---===// 17272603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 172889fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef getInputConstraint(unsigned i) const { 172989fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier return Constraints[i + NumOutputs]; 173089fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier } 1731c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1732633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier Expr *getInputExpr(unsigned i); 1733633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier void setInputExpr(unsigned i, Expr *E); 1734633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier 17352603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier const Expr *getInputExpr(unsigned i) const { 17362603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier return const_cast<MSAsmStmt*>(this)->getInputExpr(i); 17372603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier } 17382603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 17398cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Other ---===// 17408cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 17411e059da457ba65062448f24975db386efa0d51f8Chad Rosier StringRef getClobber(unsigned i) const { return Clobbers[i]; } 17424399ea9d473365224d9e4db0cd94aab849eb59b7Chad Rosier 17438cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceRange getSourceRange() const LLVM_READONLY { 17448cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return SourceRange(AsmLoc, EndLoc); 17458cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 17468cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier static bool classof(const Stmt *T) { 17478cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return T->getStmtClass() == MSAsmStmtClass; 17488cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 17498cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier static bool classof(const MSAsmStmt *) { return true; } 17508cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 17518cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier child_range children() { 17528cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return child_range(&Exprs[0], &Exprs[0]); 17538cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 17548cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier}; 17558cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 175628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 175728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 175828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 175928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 176028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 176128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 176228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 176328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 176428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 176528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 17667110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 17677110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 17687110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 17697110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 177028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 177128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 177228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 177328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 177428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 1775aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 177628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 177728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 177828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 177928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 178028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 178128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1782ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1783ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1784ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1785ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1786ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1787ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[BLOCK]); 1788ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 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() == SEHExceptStmtClass; 179628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 179728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 179828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 179928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 180028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 180128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 180228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 180328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 180428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 180528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 180628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 180728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 180828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 18097110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 18107110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 18117110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 18127110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 181328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 181428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 181528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 181628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 181728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1818aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 181928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 182028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 182128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 182228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 182328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 182428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 182528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 182628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 182728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 182828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 182928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 183028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 183128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 183228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 183328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 183428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 183528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 183628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 183728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 183828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 183928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 184028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 184128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 184228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 184328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 184428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 184528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 184628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 184728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 184828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 184928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 185028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 18517110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 18527110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 18537110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 18547110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 185528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 185628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 185728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 185828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 185928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 186028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 186128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1862aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 186328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 186428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 186528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 186628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 186728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 186828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 186928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1870ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1871ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1872ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[TRY]); 1873ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1874ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 187528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 187628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 187728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 187828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 187928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 188028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 188128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 188228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 188328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 188428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 188528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 188628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 188728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 188828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 188928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 189028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1891ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 18935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1895