Stmt.h revision 9a55591af3e5506b95a9718e15380129fbfc5ebc
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, 1017381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1029a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1037381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1049a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1057381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1064bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 10943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The statement class. 11043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor const unsigned sClass : 8; 1111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The reference count for this statement. 11343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor unsigned RefCount : 24; 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 129f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 134f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 141e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 142fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 143fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 144e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 145fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 146e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 147025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 148025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 149025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 150025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 151025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 152025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1539c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1549c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1559c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 15627f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 158025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 1591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit Stmt(StmtClass SC, EmptyShell) : sClass(SC), RefCount(1) { 160025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 161025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 162025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 16342602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// \brief Virtual method that performs the actual destruction of 16442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// this statement. 16542602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// 16642602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// Subclasses should override this method (not Destroy()) to 16742602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// provide class-specific destruction. 16842602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext &Ctx); 1691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt(StmtClass SC) : sClass(SC), RefCount(1) { 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 1751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 176129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#ifndef NDEBUG 177129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief True if this statement's refcount is in a valid state. 178129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// Should be used only in assertions. 179129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isRetained() const { 180129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return (RefCount >= 1); 181129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 182129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#endif 183129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 18442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// \brief Destroy the current statement and its children. 1851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Destroy(ASTContext &Ctx) { 186cf5c19b9b7145e7fc092fa1309085deded25b0f1Fariborz Jahanian assert(RefCount >= 1); 18743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor if (--RefCount == 0) 1881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DoDestroy(Ctx); 18943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Increases the reference count for this statement. 19243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 19343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// Invoke the Retain() operation when this statement or expression 19443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// is being shared by another owner. 19543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Stmt *Retain() { 1968b55ce79391dcce51c52f8aff923f4607e6cd977Douglas Gregor assert(RefCount >= 1); 19743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor ++RefCount; 19843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor return this; 19943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 2001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 202b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor assert(RefCount >= 1 && "Referencing already-destroyed statement!"); 203c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt return (StmtClass)sClass; 204b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 207b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 208b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 209b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 210b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 211311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 212311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2162024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2186000dace22f110d8768476989313e9d981d690d0Chris Lattner 2196000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2206000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2216000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 223e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2246000dace22f110d8768476989313e9d981d690d0Chris Lattner 2256000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2266000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 227e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2286000dace22f110d8768476989313e9d981d690d0Chris Lattner 2296000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2306000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 23148d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 233e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 23448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 23548d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 23648d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 237e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 239e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 240d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 242d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 243d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 244d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 249d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 250d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 251d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 252d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 253d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 254d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 255d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 25677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 25777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 25877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2599caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2609caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 2611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 2641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2669caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 26777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2709caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 27177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 27241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 27341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 27441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 27541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 27641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 27741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 27841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 27941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 28041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 28141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 2821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 28341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 28441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 28541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 28641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor bool Canonical); 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 2959653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 29681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 298e7809d49413febf078d0503753987fe9f6061a68Ted Kremenekprotected: 299e7809d49413febf078d0503753987fe9f6061a68Ted Kremenek virtual void DoDestroy(ASTContext &Ctx); 300e7809d49413febf078d0503753987fe9f6061a68Ted Kremenek 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3038ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3048ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 30784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 30884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3097e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 310fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3117e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 312fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3138ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3157e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 318e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 319e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 32084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 321b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 32281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 32384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 32481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 32584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 32684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3278ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 32881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 32981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33614f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 3378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3400632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3410632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3438ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3448ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3458ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3468ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 356025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 357025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 358025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 360025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 361b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 362507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 379b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3828189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 384026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 385026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 386026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 387026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 3881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 389026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 390026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 392025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 393025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 394025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 395025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor : Stmt(CompoundStmtClass, Empty), Body(0), NumStmts(0) { } 396025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 397025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 3981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 400025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor unsigned size() const { return NumStmts; } 401025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 4058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 4108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 4118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 4178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 4188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4194ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4224ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 4258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 4288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 4298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 433b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 435cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 436025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 437cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 438025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 4441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 4468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 4478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 450c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 451c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 452103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 453c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 454c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 455c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 456103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 457d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 4581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 459c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 460c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 461c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 462c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 463c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 464c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 465d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 466d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 467b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 468b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 4691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 472c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 473c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 474c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 4753fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual Stmt* v_getSubStmt() = 0; 477c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 478c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 479c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 480d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 482d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 483b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 484dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 485dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 486dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor 4873fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 489dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 4901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 491d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 49224e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 493d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 494d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 495b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 496dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 497dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 498d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 499025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 500025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 501025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 502025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 503764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 504025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 505dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 506dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 507dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 508dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 509025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 510d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 511d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 512d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 513025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 51651b09f2c528c8460b5465c676173324e44176d62Devang Patel } 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 5181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 51951b09f2c528c8460b5465c676173324e44176d62Devang Patel } 52051b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 52220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 52320dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 52420dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 5251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5273fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 5283fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 5293fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 53091ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 5313fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 534b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 540d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 541d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 542d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 545c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 546d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 5476c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 548dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5493fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 552dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 553dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 554025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 555025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 556025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 557025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 558d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 55951b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 560025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 561025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5626c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 563025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 564dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 565dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 5681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 569b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 5741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 575d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 576d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 577d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 583b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 5861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Stmt(LabelStmtClass), Label(label), 587b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 5881de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 5891de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 5901de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 5911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 5941de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setID(IdentifierInfo *II) { Label = II; } 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 600b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 6188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 6198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6208cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 6218cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief If non-NULL, the declaration in the "if" statement. 6228cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor VarDecl *Var; 623c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 624b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 625d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 626c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 62835628d1f17c817f8c240208db7ba490e3109981bTed Kremenek IfStmt(SourceLocation IL, VarDecl *var, Expr *cond, Stmt *then, 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation EL = SourceLocation(), Stmt *elsev = 0) 63035628d1f17c817f8c240208db7ba490e3109981bTed Kremenek : Stmt(IfStmtClass), Var(var), IfLoc(IL), ElseLoc(EL) { 6318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 6338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 6348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 636025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 637025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 638025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6398cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 6408cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 6418cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 6428cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 6438cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 6448cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 6458cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 6468cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 6478cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor VarDecl *getConditionVariable() const { return Var; } 6488cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 649c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 651025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 6528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 6548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 655025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 6598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 660b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 661025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 662025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 663d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 664d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 665025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 667b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 668b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 669b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 670b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 671b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 67835628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // Iterators over subexpressions. The iterators will include iterating 67935628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // over the initialization expression referenced by the condition variable. 6808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 68235628d1f17c817f8c240208db7ba490e3109981bTed Kremenek 68335628d1f17c817f8c240208db7ba490e3109981bTed Kremenekprotected: 68435628d1f17c817f8c240208db7ba490e3109981bTed Kremenek virtual void DoDestroy(ASTContext &Ctx); 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 6908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 692d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor VarDecl *Var; 693c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 694c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 6959dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregorprotected: 69843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor virtual void DoDestroy(ASTContext &Ctx); 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 701c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt SwitchStmt(VarDecl *Var, Expr *cond) 702c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Stmt(SwitchStmtClass), Var(Var), FirstCase(0) 703d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor { 704d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 705d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor SubExprs[BODY] = NULL; 706d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor } 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 708025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 709025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 710025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 711d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 712d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 713d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 714d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 715d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 716d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 717d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 718d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 719d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 720d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor VarDecl *getConditionVariable() const { return Var; } 721d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 722d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 7238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 725c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 726c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 728025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 730025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 731c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 73443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 73543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 73643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 737025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 738025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 739025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 740025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 741c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 7449dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 7451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 746c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 747c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 74843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor SC->Retain(); 749c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 750c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 751c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 7521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 7549dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 7591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 7698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 7705656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor VarDecl *Var; 7718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 772b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7745656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor WhileStmt(VarDecl *Var, Expr *cond, Stmt *body, SourceLocation WL) 775c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Stmt(WhileStmtClass), Var(Var) 7765656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor { 7778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 7788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 779b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 7808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 7811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 782d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 783d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 784d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 7855656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 7865656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 7875656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 7885656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 7895656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 7905656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 7915656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 7925656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 7935656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor VarDecl *getConditionVariable() const { return Var; } 7945656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 7955656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 7968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 798d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 7998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 801d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 802d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 803d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 804d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 805b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 808b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 8131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 817c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 8187d02b8c3be58676a03046eef9d056063e55ada3eTed Kremenekprotected: 8197d02b8c3be58676a03046eef9d056063e55ada3eTed Kremenek virtual void DoDestroy(ASTContext &Ctx); 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 8258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 8268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 827b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 8289f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 829989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 8309f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 832989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 833989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 834989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 8358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 8368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 8371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 83867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 83967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 84067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 8411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 84467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 84767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 84867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 84967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 85067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 8519f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 8529f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 853b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 854989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 855989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 856989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 8571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 859b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 8648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 8768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 8778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 87899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor VarDecl *CondVar; 879b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 8805831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 8815831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 883c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt ForStmt(Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, Stmt *Body, 88499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor SourceLocation FL, SourceLocation LP, SourceLocation RP) 885c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Stmt(ForStmtClass), CondVar(condVar), ForLoc(FL), LParenLoc(LP), 886c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt RParenLoc(RP) 88799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor { 888af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 889af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 890af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 891af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 892af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 8931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 89567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 89667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 8978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 898c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 89999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 90099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 90199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 90299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 90399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 90499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 90599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 90699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 90799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor VarDecl *getConditionVariable() const { return CondVar; } 90899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor void setConditionVariable(VarDecl *V) { CondVar = V; } 909c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 9108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 9158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 918b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 91967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 92067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 92167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 92267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 92367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 92467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 92567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 9265831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 9275831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 9285831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 9295831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 93067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 933b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 9381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 942c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 943f0d975f25b1d71612fcbd58ce8abbbc4532c6bb5Ted Kremenekprotected: 944f0d975f25b1d71612fcbd58ce8abbbc4532c6bb5Ted Kremenek virtual void DoDestroy(ASTContext &Ctx); 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 951507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 95261f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 9535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 95561f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 9561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9571de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 9581de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 9591de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9611de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabel(LabelStmt *S) { Label = S; } 9621de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9631de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 9641de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 9651de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 9661de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 967b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 9681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 970507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 9711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 984ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 9855f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 9861060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 9895f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 9905f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 9915f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 9927d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 9937d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 9941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 9957d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 9961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 997ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 998ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 9995f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 10005f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10021060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 10031060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 10047d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1005b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1006ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner virtual SourceRange getSourceRange() const { 1007ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1008ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 10091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 10141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1024507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1026507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1028d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1029d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1030d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1031d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1032d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1033d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 10351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1036507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1037861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 10381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 10421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1051507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1053507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1055025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1056025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1057025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1058025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1059025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1060025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1061507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1062b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 10631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10688297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1074c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1075c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1076c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1077c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1078c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1079c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1080c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1081c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 10841060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1085507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 10865077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 10875077c3876beeaed32280af88244e8050078619a8Douglas Gregor 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10895077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 109025a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 10915077c3876beeaed32280af88244e8050078619a8Douglas Gregor 10925077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 10935077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 10945077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 10950de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 10960de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 10970de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 10980de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 10991060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 11001060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 11010de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 11020de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11030de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 11040de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1105b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11065077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 11075077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 11085077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 11095077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 11105077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 11115077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 11125077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 11135077c3876beeaed32280af88244e8050078619a8Douglas Gregor 1114507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 11201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 11228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 11238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1126fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1127fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1128fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1129fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 11306a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1131b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1132dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 113339c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 11343b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 11351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1136b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1137b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1138966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 11391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1140966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1141966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1142966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1143966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1144966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1145b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1146966146e89141804ff6492739a2a6e6592ca671c7Anders Carlssonprotected: 1147966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson virtual void DoDestroy(ASTContext &Ctx); 1148c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1149fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1150c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1151966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1152ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1153db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1154db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1155b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1156cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1157c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1158966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1159cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1160cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1161cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1162cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1163cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1164cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 116539c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1166cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1167dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 11686ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 11693b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 11703b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1171dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1172458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1173458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1174458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1175458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1176cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1177cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1178458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1179458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1180458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1181458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1182458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1183458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1184458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1185458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1186458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1187458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1188458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1189458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1190458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1191458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1192458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1193458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1194458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1195458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1196458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 11971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1198458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1199458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 12001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1201458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1202458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1203458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1204458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1205458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1206458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1207458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1208458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1209458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1211458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1212458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1213458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1214458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1215458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1216458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1217458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 12181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1219458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1220458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1221458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1222458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1224fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1225fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 12261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1228b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1229b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1230b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1231ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1232ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1233ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1234ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1235ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1236ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getOutputName(unsigned i) const { 1237ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1238ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1239c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1240ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1241ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1242ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1243b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1244b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1245b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1246acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getOutputConstraint(unsigned i) const; 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1248b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1249ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1250ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1251b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1252b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1253b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1255ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 12561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1257b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1258b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1259b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1261b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1262b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1263b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1264b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1265b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1266b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 126885759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 126985759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 127085759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1272b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 12751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1276ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1277ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1278ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1280ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getInputName(unsigned i) const { 1281ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1282ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1283ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1284ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1285ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1286ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1287b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1288b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1289acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getInputConstraint(unsigned i) const; 12901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1291b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1292ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1293ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1294b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1295ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1296ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1298ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 12991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1300b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1301b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1302b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1303cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1304acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1305ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1306fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1307fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1308fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1309c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1310fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1311fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1312cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 131310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 13141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 131510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 131610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 131710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1318acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson int getNamedOperand(llvm::StringRef SymbolicName) const; 131910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1320966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1321b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1322d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1323cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1324fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1325fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1326fe795956194141c91ae555985c9b930595bff43fChris Lattner } 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1328fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1329fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1331ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1333ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1334ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 13351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1336ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1337966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1338ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1340ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1341966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1342ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1344ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1345966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1346ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1348ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1349966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1350d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1352ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1354ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1355ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 13561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1357d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1358966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1359d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1360d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1361966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1362d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1364d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1365966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1366d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1367d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1368966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1369d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Child iterators 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1373fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1374fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 1375fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 137678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 13775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1380