Stmt.h revision ba243b59a1074e0962f6abfa3bb9aa984eac1245
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Stmt interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_STMT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_STMT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 179594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "clang/Basic/LLVM.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 19d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 209caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 218ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 239594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/Support/raw_ostream.h" 249594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "llvm/ADT/SmallVector.h" 256e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 267573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 2841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 32e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 357ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 364b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 380c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 396a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 406c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 46ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 711705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 731705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 75ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 761705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 771705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 97f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 997381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1009a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1017381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1029a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1037381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1044bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 110b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be allocated with regular 'new'."); 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 113b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be released with regular 'delete'."); 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1168e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1178e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 136d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 137bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 138bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 139bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 140bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 141bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 142bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 143bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 144bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 145bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1494b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 150dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1528e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 154f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 157561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 158d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 160561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1618e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 162cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 163cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 164cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 165cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 166cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 167cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 168cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasExplicitTemplateArgs : 1; 1693aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 1707cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 171cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 172cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 1738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 1758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 1768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1772bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 1782bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 1798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 181cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 182cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 183cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 184cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 185cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 186cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 187cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 1884b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 1894b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 1904b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 1914b9c2d235fb9449e249d74f48ecfec601650de93John McCall 1924b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 1934b9c2d235fb9449e249d74f48ecfec601650de93John McCall 1944b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 1954b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 1964b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 1974b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 1984b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 1994b9c2d235fb9449e249d74f48ecfec601650de93John McCall 200f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 201f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 202f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 203f85e193739c953358c865005855253af4f68a497John McCall 204f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 205f85e193739c953358c865005855253af4f68a497John McCall }; 206f85e193739c953358c865005855253af4f68a497John McCall 2078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 20863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 20963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 21063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2118e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2128e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2138e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 214cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2158e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 216cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 2174b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 218f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 2198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 221d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 222d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 2248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 2251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 2268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 227f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 2298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 232f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 2348189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 2378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 2388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 239e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 240fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 241fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 242e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 243fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 244e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 245025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 246025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 247025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 248025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 249025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 250025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2519c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 252025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 2538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 2548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 255025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 256025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 257025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 2608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 264ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 2658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 266b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 269b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 270b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 271b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 27263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 27363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 274311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 275311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2792024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2816000dace22f110d8768476989313e9d981d690d0Chris Lattner 2826000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2836000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2846000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 286e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2878cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 2886000dace22f110d8768476989313e9d981d690d0Chris Lattner 2896000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2906000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 291e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2926000dace22f110d8768476989313e9d981d690d0Chris Lattner 2936000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2946000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 29548d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2968cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 297e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 29848d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 29948d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 30048d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 3018cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, ASTContext &Context, 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 303e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 304d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 306d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 307d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 308d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3107e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3117e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3127e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3137e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 314a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 315a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 316a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 317a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 318a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 319a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 3211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 3221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 323d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 324d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 325d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 326d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 327d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 328d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 329d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 33063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 33163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 33263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 3339caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 3349caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 3351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 33763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 34063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 34163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 34277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 34563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 34663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 34763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 34863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 34941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 35041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 35141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 35241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 35341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 35441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 35541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 35641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 35741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 35841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 36041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 36141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 3624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 363b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 3729653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 37381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 3741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3778ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3788ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 38184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 38284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3837e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 384fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3857e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 386fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3878ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3897e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 392e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 393e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 39484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 395b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 39681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 39784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 39881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 39984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 40084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4018ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 40281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 40381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 4041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 4091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41014f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 41163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 41263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 41363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 41463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4160632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4170632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4198ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4208ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 4218ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 4228ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 42944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 430e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 43144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 43244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 43344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 43444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 435e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 437e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 438e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 439e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 441025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 442e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 443e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 444025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 446025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 447b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 448e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 44944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 45063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 4511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 45844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 45944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 46044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 4668189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 467b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4698e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 4708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 4718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 4728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 473654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CompoundStmtBits.NumStmts == NumStmts && 474654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!"); 4758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 476026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 477026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 478026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 479026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 481026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 4828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 4831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 484025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 485025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 486025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 4878e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 4888e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 4898e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 490025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 491025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4938e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 4948e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 495025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4988e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 4998e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 500ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5018e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5028e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5038e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5048e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5088e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5098e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5184ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 5214ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 5238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 5248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 5278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 5288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 532b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 534cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 535025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 536cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 537025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 5431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 54563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 54663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 54763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 548ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5498ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 5508ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 5518ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 554c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 555c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 556103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 557c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 558c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 559c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 560103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 561d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 563c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 564c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 565c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 566c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 567c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 568c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 569d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 57063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 571702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 572702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 573702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 574b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 57563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(); } 5761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 57963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 580c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 581c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 582c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 583c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 584c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 5850a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 5861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 587d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 588b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 589dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 590dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 592dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 5931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 594d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 59524e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 596d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 597d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 598b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 599dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 600dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 601d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 602025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 603025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 604025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 605025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 606764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 607025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 608dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 609dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 610dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 611dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 612025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 613d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 614d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 615d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 616025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 61951b09f2c528c8460b5465c676173324e44176d62Devang Patel } 6201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 62251b09f2c528c8460b5465c676173324e44176d62Devang Patel } 62351b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 62520dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 62620dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 62720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 63063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6313fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 6323fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 63391ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 6343fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 6351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 637b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 6421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 643d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 64463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 64563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 64663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 649c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 650d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 6516c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 652dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 655dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 656dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 657025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 658025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 659025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 660025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 661d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 66251b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 663025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 664025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6656c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 666025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 667dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 668dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 67063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 672b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 678d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 67963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 682ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 683ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 684ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 685ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 687ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 689b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 691ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 692ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 6938e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 6941de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 6951de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 6961de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 6971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 699ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 700ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 706b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 70763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 7081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 71063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 71163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 72243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 7238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 7248cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 725b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 726d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 727ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 729ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 73044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 731ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 732025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 733025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 734025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7358cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 7368cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 7378cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 7388cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 7398cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 7408cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 7418cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 7428cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 74343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 74443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 745ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 746d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 747d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 748d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 749d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 750d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 751ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 753025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 7568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 757025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 7618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 762b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 763025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 764025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 765d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 766d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 767025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 76863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 769b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 770b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 771b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 772b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 773b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 77663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 77763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 77863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 77963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 78063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 79043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 7911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 792c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 793c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 7949dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 7951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 796559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 797559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 798559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 799559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 800559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 80243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 8031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 804025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 805025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 806025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 807d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 808d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 809d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 810d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 811d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 812d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 813d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 814d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 815d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 81643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 81743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 818ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 819d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 820d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 821d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 822d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 823d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 824d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 8258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 8268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 827c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 828c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 8298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 830025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 832025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 833c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 8341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 83543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 83643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 83743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 83843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 839025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 840025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 841025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 842025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 843c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 8441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 8469dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 848c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 849ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 850ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 851c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 852c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 853c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 854559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 855559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 856559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 857559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 858559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 859559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 860559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 861559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 862559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 863559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 864559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 865559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 866559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 86763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 8681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 8699dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 87063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 87163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 87263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 87363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 87463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 88543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 887b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 889ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 89043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 8911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 892d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 893d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 894d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 8955656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 8965656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 8975656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 8985656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 8995656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 9005656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 9015656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 9025656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 90343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 90443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 9055656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 906d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 907d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 908d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 909d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 910d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 911d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 9128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 914d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 917d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 918d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 919d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 920d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 921b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 92263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 924b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 9291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 93163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 93263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 93363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 939c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 9408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 941b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 9429f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 943989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 9449f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 946989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 947989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 948989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 9498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 9508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 9511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 95267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 95367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 95467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 9551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 95867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 96167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 96267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 96367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 96467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 9659f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 9669f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 967b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 968989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 969989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 970989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 97163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 973b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 9765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 9788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 98063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 98163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 98263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 9885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 99143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 9928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 993b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 9945831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 9955831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 9965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 997ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 99843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 9991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 100067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 100167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 100267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 10038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1004ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 100599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 100699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 100799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 100899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 100999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 101099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 101199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 101299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 101343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 101443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1015ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1016d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1017d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1018d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1019d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1020d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1021d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 10248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 10268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 10278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 10288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 10298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1030b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 103167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 103267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 103367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 103467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 103567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 103667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 103767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 10385831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 10395831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 10405831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10415831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 104267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 104363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1045b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 10501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 105263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 105363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 105463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1060ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1061507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 106261f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1064ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 106561f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10671de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 10681de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 10691de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1070ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1071ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 10721de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 10731de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 10741de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 10751de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 10761de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1077b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 107863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1080507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 10851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 108763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1093ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 10945f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 10951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 10985f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 10995f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 11005f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 11017d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 11027d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 11031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 11047d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1106ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1107ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 11085f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 11095f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 11101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 111195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 111295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 11137d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1114b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 111595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 111695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1117ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1118ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 111995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 112095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 112195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 112263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1123ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1124ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 11251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 11301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 113263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 11335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1139507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1141507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1143d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1144d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1145d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1146d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1147d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1148d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 114963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1151507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1152861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 11531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 11571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 115963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1165507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1167507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 11681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1169025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1170025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1171025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1172025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1173025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1174025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 117563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1176b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 118363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1187c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1188c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1189c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1190c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1191c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1192c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1193c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1194c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 11971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1198507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 11995077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1200ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12025077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 120325a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 12045077c3876beeaed32280af88244e8050078619a8Douglas Gregor 12055077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 12065077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 12075077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 12080de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12090de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 12100de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 12110de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12121060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 12131060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 12140de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 12150de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 12160de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 12170de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1218b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12195077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 12205077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 12215077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 12225077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 12235077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 12245077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 12255077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1226ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 122763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 12315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 12331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 123563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 123663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 123763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 123863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 12395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1241fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1242fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1243fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1244fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 12456a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1246b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1247dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 124839c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 12493b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 12501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1251b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1252b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1253966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 12541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1255966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1256966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1257966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1258966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1259966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1260ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1261fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1262ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1263966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1264ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1265db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1266db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1267b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1268cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1269ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1270966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1271cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1272cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1273cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1274cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1275cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1276cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 127739c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1278cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1279dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 12806ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 12813b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 12823b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1283dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1284458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1285458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1286458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1287458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1288cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1289cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1290458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1291458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1292458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1293458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1294458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1295458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1296458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1297458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1298458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1299458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1300458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1301458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1302458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1303458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1304458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1305458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1306458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1307458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1308458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 13091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1310458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1311458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 13121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1313458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1314458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1315458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1316458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1317458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1318458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1319458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1320458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1321458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 13221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1323458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1324458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1325458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1326458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1327458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1328458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1329458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1331458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1332458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1333458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1334458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 13351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1336686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1337fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 13381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1340b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1341b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1342b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1343ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1344ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1345ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1346ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1347ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1348686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputName(unsigned i) const { 1349ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1350ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1351ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1352686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1353ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1354ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1355b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1356b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1357b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1358686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 13591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1360b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1361ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1362ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1363b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1364b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1365b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1367ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 13681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1369b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1370b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1371b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1373b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1374b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1375b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1376b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1377b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1378b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138085759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 138185759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 138285759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 13831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1384b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 13851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 13871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1388ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1389ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1390ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1392686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputName(unsigned i) const { 1393ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1394ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1395ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1396686775deca8b8685eb90801495880e3abdd844c2Chris Lattner return StringRef(); 1397ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1398ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1399b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1400b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1401686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 14021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1403b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1404ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1405ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1406b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1407ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1408ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1410ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1411935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1412ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1413b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1414b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1415b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1416cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1417acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1418ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1419fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1420fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1421fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1422ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1423fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1424fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1425cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 142610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 142810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 142910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 143010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1431686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 143210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1433966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1434b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1435d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1436cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 143763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1438fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1439fe795956194141c91ae555985c9b930595bff43fChris Lattner } 14401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1441fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1442fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 14431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1444ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 14451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1446ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1447ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 14481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1449ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1450966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1451ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1453ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1454966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1455ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1457ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1458966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1459ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1461ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1462966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1463d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1465ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 14661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1467ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1468ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 14691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1470d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1471966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1472d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1473d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1474966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1475d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1477d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1478966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1479d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1480d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1481966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1482d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 148463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 148563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 148663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1487fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 148878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 148928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 149028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 149128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 149228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 149428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 149628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 149728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 149828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 14997110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 15007110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 15017110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 15027110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 150328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 150428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 150528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 150628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 150728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 150828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 150928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 151028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 151128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 151328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 151428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1515ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1516ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1517ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1518ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1519ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1520ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[BLOCK]); 1521ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 152228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 152428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 152528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 152628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 152828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 152928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 153028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 153228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 153428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 153628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 153728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 153828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 154028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 154128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15427110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 15437110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 15447110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 15457110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 154628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 154728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 154828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 154928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 155028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 155228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 155328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 155428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 155628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 155728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 155928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 156128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 156228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 156328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 156528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 156628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 156728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 156928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 157128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 157328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 157428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 157528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 157628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 157828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 158028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 158128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 158228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 158328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15847110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 15857110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 15867110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 15877110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 158828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 158928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 159028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 159128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 159228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 159328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 159428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 159528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 159628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 159728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 159828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 159928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 160028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 160128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 160228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1603ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1604ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1605ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[TRY]); 1606ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1607ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 160828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 160928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 161128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 161228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 161328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 161528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 161628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 161728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 161828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 161928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 162028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 162128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 162228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 162328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1624ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 16255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 16265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1628