Stmt.h revision 4bfe1968410ea8ffe3b4f629addd7c4bcf484765
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" 235ee56e95c3905d2e7bc403631b03865cdbdd8a42Anders Carlsson#include "clang/AST/FullExpr.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 266e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 34e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 377ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 384b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 400c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 416a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 426c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 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 bool operator>=(const ExprIterator& R) const { return I >= R.I; } 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 731705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 751705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 781705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 791705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 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; } 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 92ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 101f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_STMT(CLASS) firstStmtConstant = CLASS##Class, 1024bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt// LAST_STMT will always come last 1034bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define LAST_STMT(CLASS) lastStmtConstant = CLASS##Class 104f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_EXPR(CLASS) firstExprConstant = CLASS##Class, 1054bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define LAST_EXPR(CLASS) lastExprConstant = CLASS##Class, 1064bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define FIRST_CALLEXPR(CLASS) firstCallExprConstant = CLASS##Class, 1074bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define LAST_CALLEXPR(CLASS) lastCallExprConstant = CLASS##Class, 1084bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define FIRST_CASTEXPR(CLASS) firstCastExprConstant = CLASS##Class, 1094bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define LAST_CASTEXPR(CLASS) lastCastExprConstant = CLASS##Class, 1104bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define FIRST_EXPLICITCASTEXPR(CLASS) firstExplicitCastExprConstant = \ 1114bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt CLASS##Class, 1124bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define LAST_EXPLICITCASTEXPR(CLASS) lastExplicitCastExprConstant = \ 1134bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt CLASS##Class, 1144bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define FIRST_BINARYOPERATOR(CLASS) firstBinaryOperatorConstant = \ 1154bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt CLASS##Class, 1164bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define LAST_BINARYOPERATOR(CLASS) lastBinaryOperatorConstant = \ 1174bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt CLASS##Class, 1184bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#define ABSTRACT(STMT) 1194bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 12243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The statement class. 12343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor const unsigned sClass : 8; 1241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The reference count for this statement. 12643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor unsigned RefCount : 24; 1278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1348189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 1418189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 142f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1448189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 147f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1538189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 154e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 155fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 156fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 157e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 158fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 159e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 160025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 161025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 162025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 163025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 164025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 165025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1669c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1679c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1689c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 16927f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 171025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 1721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit Stmt(StmtClass SC, EmptyShell) : sClass(SC), RefCount(1) { 173025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 174025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 175025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 17642602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// \brief Virtual method that performs the actual destruction of 17742602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// this statement. 17842602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// 17942602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// Subclasses should override this method (not Destroy()) to 18042602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// provide class-specific destruction. 18142602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext &Ctx); 1821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt(StmtClass SC) : sClass(SC), RefCount(1) { 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 1881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#ifndef NDEBUG 190129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief True if this statement's refcount is in a valid state. 191129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// Should be used only in assertions. 192129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isRetained() const { 193129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return (RefCount >= 1); 194129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 195129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#endif 196129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 19742602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// \brief Destroy the current statement and its children. 1981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Destroy(ASTContext &Ctx) { 199cf5c19b9b7145e7fc092fa1309085deded25b0f1Fariborz Jahanian assert(RefCount >= 1); 20043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor if (--RefCount == 0) 2011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DoDestroy(Ctx); 20243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Increases the reference count for this statement. 20543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 20643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// Invoke the Retain() operation when this statement or expression 20743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// is being shared by another owner. 20843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Stmt *Retain() { 2098b55ce79391dcce51c52f8aff923f4607e6cd977Douglas Gregor assert(RefCount >= 1); 21043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor ++RefCount; 21143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor return this; 21243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 2131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 214c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 215b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor assert(RefCount >= 1 && "Referencing already-destroyed statement!"); 216c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt return (StmtClass)sClass; 217b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 220b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 221b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 222b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 223b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 224311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 225311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2292024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2316000dace22f110d8768476989313e9d981d690d0Chris Lattner 2326000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2336000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2346000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 236e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2376000dace22f110d8768476989313e9d981d690d0Chris Lattner 2386000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2396000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 240e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2416000dace22f110d8768476989313e9d981d690d0Chris Lattner 2426000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2436000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 24448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 246e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 24748d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 24848d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 24948d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 250e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 252e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 253d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 255d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 256d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 257d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 262d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 263d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 264d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 265d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 266d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 267d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 268d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 26977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 27077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 27177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2729caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2739caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 2771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2799caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 28077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2839caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 28477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 28541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 28641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 28741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 28841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 28941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 29041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 29141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 29241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 29341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 29441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 29641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 29741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 29841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 29941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor bool Canonical); 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 3089653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 30981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 311e7809d49413febf078d0503753987fe9f6061a68Ted Kremenekprotected: 312e7809d49413febf078d0503753987fe9f6061a68Ted Kremenek virtual void DoDestroy(ASTContext &Ctx); 313e7809d49413febf078d0503753987fe9f6061a68Ted Kremenek 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3168ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3178ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 32084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 32184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3227e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 323fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3247e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 325fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3268ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3287e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 331e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 332e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 33384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 334b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 33581c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 33684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 33781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 33884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 33984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3408ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 34181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 34281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34914f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 3508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3530632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3540632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3568ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3578ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3588ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3598ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 369025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 370025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 371025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 373025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 374b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 375507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 392b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 397026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 398026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 399026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 400026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 402026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 403026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 4041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 405025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 406025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 407025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 408025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor : Stmt(CompoundStmtClass, Empty), Body(0), NumStmts(0) { } 409025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 410025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 413025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor unsigned size() const { return NumStmts; } 414025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 4188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 4238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 4248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 4308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 4318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4324ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4348189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4354ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 4388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 4418189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 4428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 446b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 448cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 449025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 450cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 451025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 4598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 4608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 463c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 464c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 465103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 466c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 467c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 468c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 469103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 470d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 472c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 473c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 474c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 475c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 476c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 477c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 478d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 479d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 480b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 481b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 485c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 486c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 487c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 4883fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual Stmt* v_getSubStmt() = 0; 490c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 491c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 492c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 493d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 4941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 495d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 496b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 497dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 498dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 499dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor 5003fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 502dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 5031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 504d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 50524e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 506d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 507d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 508b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 509dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 510dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 511d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 512025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 513025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 514025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 515025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 516764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 517025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 518dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 519dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 520dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 521dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 522025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 523d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 524d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 525d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 526025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 52951b09f2c528c8460b5465c676173324e44176d62Devang Patel } 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 53251b09f2c528c8460b5465c676173324e44176d62Devang Patel } 53351b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 53520dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 53620dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 53720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5403fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 5413fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 5423fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 54391ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 5443fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 5451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 547b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 5521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 553d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 554d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 555d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 558c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 559d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 5606c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 561dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5623fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 565dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 566dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 567025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 568025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 569025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 570025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 571d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 57251b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 573025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 574025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5756c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 576025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 577dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 578dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 5811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 582b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 588d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 589d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 590d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 596b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Stmt(LabelStmtClass), Label(label), 600b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 6011de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 6021de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 6031de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 6071de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setID(IdentifierInfo *II) { Label = II; } 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 613b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 6318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 6328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6338cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 6348cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief If non-NULL, the declaration in the "if" statement. 6358cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor VarDecl *Var; 636c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 637b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 638d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 639c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 64135628d1f17c817f8c240208db7ba490e3109981bTed Kremenek IfStmt(SourceLocation IL, VarDecl *var, Expr *cond, Stmt *then, 6421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation EL = SourceLocation(), Stmt *elsev = 0) 64335628d1f17c817f8c240208db7ba490e3109981bTed Kremenek : Stmt(IfStmtClass), Var(var), IfLoc(IL), ElseLoc(EL) { 6448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 6468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 6478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 649025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 650025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 651025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6528cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 6538cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 6548cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 6558cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 6568cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 6578cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 6588cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 6598cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 6608cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor VarDecl *getConditionVariable() const { return Var; } 6618cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 662c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 664025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 6658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 6678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 668025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 6728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 673b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 674025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 675025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 676d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 677d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 678025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 680b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 681b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 682b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 683b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 684b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 6901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69135628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // Iterators over subexpressions. The iterators will include iterating 69235628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // over the initialization expression referenced by the condition variable. 6938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 69535628d1f17c817f8c240208db7ba490e3109981bTed Kremenek 69635628d1f17c817f8c240208db7ba490e3109981bTed Kremenekprotected: 69735628d1f17c817f8c240208db7ba490e3109981bTed Kremenek virtual void DoDestroy(ASTContext &Ctx); 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 7038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 705d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor VarDecl *Var; 706c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 707c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 7089dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregorprotected: 71143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor virtual void DoDestroy(ASTContext &Ctx); 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 714c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt SwitchStmt(VarDecl *Var, Expr *cond) 715c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Stmt(SwitchStmtClass), Var(Var), FirstCase(0) 716d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor { 717d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 718d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor SubExprs[BODY] = NULL; 719d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor } 7201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 721025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 722025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 723025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 724d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 725d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 726d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 727d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 728d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 729d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 730d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 731d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 732d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 733d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor VarDecl *getConditionVariable() const { return Var; } 734d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 735d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 7368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 738c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 739c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 741025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 743025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 744c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 7451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 74643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 74743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 74843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 74943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 750025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 751025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 752025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 753025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 754c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 7561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 7579dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 7581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 759c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 760c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 76143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor SC->Retain(); 762c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 763c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 764c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 7651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 7661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 7679dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 7681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 7828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 7835656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor VarDecl *Var; 7848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 785b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7875656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor WhileStmt(VarDecl *Var, Expr *cond, Stmt *body, SourceLocation WL) 788c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Stmt(WhileStmtClass), Var(Var) 7895656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor { 7908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 7918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 792b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 7938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 795d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 796d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 797d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 7985656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 7995656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 8005656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 8015656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 8025656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 8035656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 8045656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 8055656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 8065656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor VarDecl *getConditionVariable() const { return Var; } 8075656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 8085656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 8098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 811d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 814d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 815d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 816d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 817d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 818b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 8191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 821b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 8261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 830c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 8317d02b8c3be58676a03046eef9d056063e55ada3eTed Kremenekprotected: 8327d02b8c3be58676a03046eef9d056063e55ada3eTed Kremenek virtual void DoDestroy(ASTContext &Ctx); 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 8365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 8388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 8398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 840b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 8419f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 842989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 8439f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 845989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 846989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 847989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 8488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 8498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 8501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 85167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 85267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 85367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 8541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 85767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 86067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 86167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 86267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 86367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 8649f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 8659f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 866b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 867989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 868989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 869989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 872b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 8778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 8898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 8908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 89199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor VarDecl *CondVar; 892b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 8935831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 8945831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 896c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt ForStmt(Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, Stmt *Body, 89799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor SourceLocation FL, SourceLocation LP, SourceLocation RP) 898c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Stmt(ForStmtClass), CondVar(condVar), ForLoc(FL), LParenLoc(LP), 899c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt RParenLoc(RP) 90099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor { 901af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 902af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 903af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 904af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 905af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 9061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 90867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 90967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 911c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 91299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 91399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 91499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 91599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 91699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 91799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 91899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 91999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 92099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor VarDecl *getConditionVariable() const { return CondVar; } 92199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor void setConditionVariable(VarDecl *V) { CondVar = V; } 922c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 9238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 9288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 931b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 93267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 93367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 93467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 93567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 93667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 93767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 93867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 9395831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 9405831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 9415831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 9425831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 94367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 946b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 9511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 955c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 956f0d975f25b1d71612fcbd58ce8abbbc4532c6bb5Ted Kremenekprotected: 957f0d975f25b1d71612fcbd58ce8abbbc4532c6bb5Ted Kremenek virtual void DoDestroy(ASTContext &Ctx); 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 964507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 96561f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 96861f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9701de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 9711de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 9721de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9741de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabel(LabelStmt *S) { Label = S; } 9751de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9761de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 9771de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 9781de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 9791de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 980b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 9811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 983507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 9841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 9881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 9955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 997ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 9985f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 9991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 10025f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 10035f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 10045f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 10057d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 10067d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 10071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 10087d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 10091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1010ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1011ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 10125f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 10135f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 10141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10151060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 10161060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 10177d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1018b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1019ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner virtual SourceRange getSourceRange() const { 1020ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1021ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 10221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1037507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 10385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1039507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1041d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1042d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1043d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1044d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1045d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1046d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 10481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1049507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1050861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 10551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1064507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1066507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1068025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1069025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1070025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1071025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1072025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1073025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1074507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1075b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1087c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1088c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1089c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1090c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1091c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1092c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1093c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1094c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 10955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 10971060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1098507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ReturnStmt(SourceLocation RL, Expr *E = 0) : Stmt(ReturnStmtClass), 11011060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek RetExpr((Stmt*) E), RetLoc(RL) {} 11020de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11030de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 11040de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 11050de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 11071060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 11080de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 11090de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11100de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 11110de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1112b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1113507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 11141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 11218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 11228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1125fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1126fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1127fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1128fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 11296a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1130b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1131dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 113239c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 11333b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 11341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1135b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1136b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1137966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1139966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1140966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1141966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1142966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1143966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1144b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1145966146e89141804ff6492739a2a6e6592ca671c7Anders Carlssonprotected: 1146966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson virtual void DoDestroy(ASTContext &Ctx); 1147c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1148fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1149c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1150966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1151ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1152db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1153db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1154b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1155cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1156c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1157966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1158cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1159cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1160cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1161cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1162cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1163cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 116439c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1165cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1166dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 11676ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 11683b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 11693b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1170dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1171458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1172458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1173458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1174458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1175cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1176cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1177458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1178458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1179458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1180458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1181458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1182458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1183458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1184458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1185458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1186458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1187458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1188458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1189458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1190458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1191458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1192458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1193458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1194458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1195458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 11961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1197458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1198458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1200458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1201458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1202458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1203458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1204458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1205458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1206458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1207458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1208458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1210458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1211458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1212458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1213458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1214458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1215458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1216458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 12171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1218458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1219458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1220458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1221458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 12221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1223fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1224fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 12251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1227b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1228b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1229b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1230ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1231ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1232ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1233ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1234ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1235ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getOutputName(unsigned i) const { 1236ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1237ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1238c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1239ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1240ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1241ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1242b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1243b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1244b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1245acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getOutputConstraint(unsigned i) const; 12461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1247b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1248ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1249ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1250b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1251b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1252b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1254ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1256b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1257b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1258b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1260b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1261b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1262b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1263b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1264b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1265b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 126785759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 126885759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 126985759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 12701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1271b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 12721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1275ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1276ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1277ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1279ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getInputName(unsigned i) const { 1280ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1281ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1282ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1283ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1284ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1285ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1286b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1287b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1288acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getInputConstraint(unsigned i) const; 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1290b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1291ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1292ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1293b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1294ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1295ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1297ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1299b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1300b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1301b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1302cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1303acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1304ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1305fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1306fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1307fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1308c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1309fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1310fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1311cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 131210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 131410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 131510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 131610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1317acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson int getNamedOperand(llvm::StringRef SymbolicName) const; 131810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1319966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1320b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1321d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1322cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1323fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1324fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1325fe795956194141c91ae555985c9b930595bff43fChris Lattner } 13261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1327fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1328fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1330ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1332ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1333ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1335ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1336966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1337ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1339ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1340966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1341ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1343ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1344966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1345ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1347ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1348966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1349d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1351ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 13521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1353ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1354ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 13551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1356d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1357966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1358d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1359d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1360966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1361d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1363d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1364966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1365d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1366d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1367966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1368d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Child iterators 13711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1372fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1373fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 1374fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 137578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 13775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1379