Stmt.h revision 561f81243f665cf2001caadc45df505f826b72d6
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 177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff#include "llvm/Support/Casting.h" 18a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek#include "llvm/Support/raw_ostream.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 20d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 219caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 228ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 256e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 267573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 33e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 367ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 374b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 390c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 406a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 416c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 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 bool operator>=(const ExprIterator& R) const { return I >= R.I; } 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 721705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 741705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 771705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 781705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 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; } 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 1007381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1019a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1027381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1039a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1047381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1054bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1068e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 138d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 139bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 140bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 141bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 142bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 143bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 144bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 145bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 149bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 150bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // 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; 170cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 171cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 1728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 1748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 1758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1762bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 1772bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 1788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 180cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 181cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 182cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 183cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 184cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 185cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 186cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 187f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 188f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 189f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 190f85e193739c953358c865005855253af4f68a497John McCall 191f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 192f85e193739c953358c865005855253af4f68a497John McCall }; 193f85e193739c953358c865005855253af4f68a497John McCall 1948e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 19563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 19663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 19763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 1988e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 1998e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2008e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 201cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2028e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 203cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 204f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 2058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2068e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 207d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 208d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 2108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 2111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 2128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 213f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 2158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 218f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 2208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 2238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 2248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 225e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 226fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 227fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 228e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 229fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 230e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 231025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 232025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 233025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 234025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 235025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 236025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2379c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 238025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 2398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 2408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 241025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 242025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 243025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 2468e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 250c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 2518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 252b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 255b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 256b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 257b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 25863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 25963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 260311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 261311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2652024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2676000dace22f110d8768476989313e9d981d690d0Chris Lattner 2686000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2696000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2706000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 272e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2739668033ee4c25efd019e6c7e6dd96aa2e6364a46Argyrios Kyrtzidis void dump(llvm::raw_ostream &OS, SourceManager &SM) const; 2746000dace22f110d8768476989313e9d981d690d0Chris Lattner 2756000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2766000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 277e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2786000dace22f110d8768476989313e9d981d690d0Chris Lattner 2796000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2806000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 28148d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 283e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 28448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 28548d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 28648d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 287e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 289e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 290d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 292d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 293d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 294d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 299d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 300d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 301d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 302d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 303d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 304d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 305d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 30663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 30763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 30863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 3099caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 3109caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 31363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 31663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 31763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 31877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 3191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 32163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 32263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 32363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 32463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 32541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 32641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 32741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 32841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 32941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 33041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 33141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 33241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 33341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 33441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 3351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 33641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 33741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 3384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 339b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 3489653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 34981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 3501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3538ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3548ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 35784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 35884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3597e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 360fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3617e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 362fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3638ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3657e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 368e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 369e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 37084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 371b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 37281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 37384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 37481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 37584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 37684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3778ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 37881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 37981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38614f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 38763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 38863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 38963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 39063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3920632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3930632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3958ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3968ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3978ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3988ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 40544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 406b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis /// \brief If the null statement was preceded by an empty macro this is 407b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis /// its instantiation source location, e.g: 40844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 40944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 41044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 41144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 412b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis SourceLocation LeadingEmptyMacro; 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 414b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis NullStmt(SourceLocation L, SourceLocation LeadingEmptyMacro =SourceLocation()) 41544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), LeadingEmptyMacro(LeadingEmptyMacro) {} 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 417025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 418025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 419025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 421025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 422b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 423b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return LeadingEmptyMacro.isValid(); } 424b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis SourceLocation getLeadingEmptyMacroLoc() const { return LeadingEmptyMacro; } 42544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 42663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 4271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 43444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 43544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 43644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 4428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 443b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 4468e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 4478e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 4488e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 449654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CompoundStmtBits.NumStmts == NumStmts && 450654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!"); 4518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 452026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 453026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 454026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 455026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 457026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 4588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 4591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 460025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 461025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 462025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 4638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 4648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 4658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 466025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 467025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4698e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 4708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 471025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 4758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 476e946fc833d8592aa2890bfd9839f1ad839b3d284Fariborz Jahanian 4778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 4788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 4798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 4808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4828189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 4858e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 4868189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4878189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4888189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 4928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 4938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4944ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4974ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 5008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 5038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 5048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 5071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 508b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 510cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 511025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 512cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 513025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 5141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 52163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 52263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 52363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 526c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 527c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 528103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 529c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 530c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 531c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 532103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 533d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 5341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 535c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 536c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 537c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 538c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 539c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 540c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 541d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 54263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 543702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 544702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 545702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 546b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 54763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(); } 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 55163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 552c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 553c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 554c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 555c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 556c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 5570a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 559d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 560b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 561dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 562dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 564dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 566d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 56724e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 568d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 569d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 570b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 571dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 572dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 573d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 574025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 575025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 576025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 577025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 578764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 579025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 580dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 581dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 582dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 583dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 584025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 585d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 586d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 587d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 588025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 5901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 59151b09f2c528c8460b5465c676173324e44176d62Devang Patel } 5921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 5931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 59451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 59551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 59720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 59820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 59920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 6001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6033fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 6043fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 60591ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 6063fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 6071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 609b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 615d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 61663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 61763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 61863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 621c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 622d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 6236c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 624dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 627dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 628dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 629025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 630025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 631025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 632025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 633d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 63451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 635025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 636025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6376c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 638025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 639dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 640dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 64263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 644b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 650d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 65163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 654ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner 655ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 656ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 657ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 659ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 661b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 663ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 664ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 6658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 6661de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 6671de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 6681de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 671ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 672ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 678b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 67963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 6811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 68263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 68363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 6841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 69443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 6958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6968cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 697b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 698d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 69944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 70143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 70244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 70343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor 704025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 705025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 706025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7078cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 7088cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 7098cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 7108cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 7118cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 7128cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 7138cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 7148cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 71543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 71643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 717c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 718d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 719d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 720d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 721d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 722d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 723d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 7248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 725025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 7271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 7288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 729025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 7338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 734b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 735025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 736025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 737d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 738d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 739025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 74063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 741b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 742b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 743b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 744b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 745b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 74763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 74863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 74963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 75063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 75163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 75263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 76243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 7631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 764c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 765c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 7669dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 7671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 768559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 769559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 770559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 771559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 772559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 77443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 7751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 776025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 777025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 778025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 779d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 780d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 781d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 782d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 783d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 784d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 785d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 786d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 787d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 78843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 78943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 790d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 791d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 792d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 793d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 794d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 795d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 796d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 7978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 799c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 800c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 8018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 802025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 804025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 805c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 80743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 80843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 80943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 81043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 811025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 812025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 813025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 814025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 815c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 8171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 8189dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 8191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 820c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 821c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 822c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 823c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 824c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 825559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 826559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 827559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 828559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 829559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 830559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 831559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 832559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 833559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 834559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 835559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 836559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 837559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 83863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 8409dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 84163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 84263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 84363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 84463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 84563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 85643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 858b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 86043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 86143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 8621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 863d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 864d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 865d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 8665656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 8675656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 8685656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 8695656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 8705656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 8715656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 8725656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 8735656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 87443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 87543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 8765656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 877d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 878d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 879d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 880d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 881d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 882d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 8838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 885d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 888d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 889d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 890d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 891d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 892b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 89363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 8941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 895b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 9001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 90263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 90363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 90463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 910c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 9118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 912b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 9139f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 914989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 9159f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 917989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 918989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 919989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 9208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 9218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 9221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 92367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 92467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 92567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 9261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 92967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 93267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 93367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 93467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 93567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 9369f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 9379f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 938b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 939989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 940989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 941989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 94263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 944b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 9498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 95163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 95263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 95363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 96243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 9638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 964b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 9655831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 9665831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 96843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 96943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 9701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 97167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 97267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 97367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 975c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 97699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 97799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 97899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 97999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 98099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 98199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 98299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 98399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 98443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 98543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 986c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 987d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 988d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 989d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 990d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 991d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 992d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 9938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 9988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 10008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1001b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 100267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 100367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 100467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 100567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 100667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 100767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 100867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 10095831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 10105831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 10115831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10125831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 101367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 101463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1016b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 10211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 102363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 102463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 102563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 10295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1031ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1032507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 103361f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 10345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1035ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 103661f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 10371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10381de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 10391de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 10401de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1041ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1042ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 10431de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 10441de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 10451de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 10461de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 10471de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1048b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 104963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1051507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 10561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 105863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 10595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1064ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 10655f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 10661060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 10695f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 10705f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 10715f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 10727d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 10737d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 10741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 10757d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1077ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1078ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 10795f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 10805f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 108395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 10847d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1085b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 108695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 108795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1088ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1089ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 109095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 109195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 109295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 109363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1094ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1095ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 10961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 11011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 110363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 11045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 11085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1110507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1112507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1114d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1115d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1116d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1117d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1118d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1119d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 112063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1122507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1123861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 11241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 113063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 11345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1136507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1138507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 11391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1140025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1141025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1142025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1143025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1144025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1145025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 114663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1147b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 115463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1158c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1159c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1160c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1161c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1162c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1163c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1164c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1165c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 11681060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1169507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 11705077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 11715077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11735077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 117425a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 11755077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11765077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 11775077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 11785077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 11790de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11800de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 11810de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 11820de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 11841060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 11850de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 11860de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11870de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 11880de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1189b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11905077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 11915077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 11925077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 11935077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 11945077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 11955077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 11965077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 11975077c3876beeaed32280af88244e8050078619a8Douglas Gregor 119863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 12041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 120663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 120763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 120863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 120963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1212fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1213fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1214fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1215fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 12166a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1217b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1218dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 121939c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 12203b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 12211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1222b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1223b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1224966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 12251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1226966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1227966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1228966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1229966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1230966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1231c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1232fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1233c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1234966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1235ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1236db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1237db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1238b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1239cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1240c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1241966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1242cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1243cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1244cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1245cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1246cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1247cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 124839c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1249cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1250dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 12516ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 12523b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 12533b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1254dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1255458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1256458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1257458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1258458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1259cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1260cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1261458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1262458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1263458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1264458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1265458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1266458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1267458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1268458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1269458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1270458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1271458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1272458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1273458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1274458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1275458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1276458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1277458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1278458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1279458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1281458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1282458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 12831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1284458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1285458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1286458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1287458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1288458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1289458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1290458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1291458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1292458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1294458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1295458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1296458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1297458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1298458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1299458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1300458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1302458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1303458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1304458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1305458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1307fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1308fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 13091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1311b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1312b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1313b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1314ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1315ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1316ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1317ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1318ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1319ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getOutputName(unsigned i) const { 1320ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1321ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1322c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1323ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1324ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1325ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1326b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1327b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1328b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1329acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getOutputConstraint(unsigned i) const; 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1331b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1332ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1333ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1334b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1335b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1336b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1338ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 13391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1340b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1341b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1342b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1344b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1345b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1346b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1347b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1348b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1349b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 135185759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 135285759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 135385759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 13541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1355b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 13561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1359ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1360ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1361ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1363ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getInputName(unsigned i) const { 1364ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1365ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1366ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1367ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1368ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1369ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1370b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1371b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1372acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getInputConstraint(unsigned i) const; 13731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1374b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1375ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1376ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1377b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1378ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1379ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1381ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1382935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1383935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner 1384b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1385b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1386b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1387cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1388acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1389ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1390fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1391fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1392fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1393c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1394fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1395fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1396cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 139710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 139910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 140010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 140110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1402acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson int getNamedOperand(llvm::StringRef SymbolicName) const; 140310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1404966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1405b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1406d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1407cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 140863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1409fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1410fe795956194141c91ae555985c9b930595bff43fChris Lattner } 14111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1412fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1413fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 14141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1415ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1417ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1418ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1420ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1421966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1422ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1424ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1425966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1426ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1428ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1429966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1430ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1432ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1433966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1434d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1436ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 14371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1438ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1439ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 14401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1441d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1442966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1443d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1444d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1445966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1446d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1448d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1449966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1450d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1451d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1452966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1453d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 145563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 145663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 145763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1458fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 145978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 146028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 146128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 146228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 146328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 146428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 146528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 146628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 146728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 146828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 146928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 147128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 147228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 147328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 147428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 147528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 147628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 147728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 147828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 148028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 148128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 148228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *getFilterExpr() const { return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); } 148328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Children[BLOCK]); } 148428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 148528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 148628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 148728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 148828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 148928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 149028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 149128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 149228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 149428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 149628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 149828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 149928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 150028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 150228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 150328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 150528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 150628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 150728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 150828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 151028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 151128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 151228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 151428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 151528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 151728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 151928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 152028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 152128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 152328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 152428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 152528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 152728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 152928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 153128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 153228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 153328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 153428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 153628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 153828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 153928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 154028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 154128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 154328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 154428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 154528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 154628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 154728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 154828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 155028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 155128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 155228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 155428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 155528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 155728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt* getTryBlock() const { return llvm::cast<CompoundStmt>(Children[TRY]); } 155828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 155928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 156128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 156228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 156328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 156528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 156628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 156728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 156928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 157028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 157128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 157328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 157428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 157528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1579