Stmt.h revision 7381d5cfbd599fa2b9e215011ad7cbd449de231a
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) \ 1027381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt first##BASE##Constant = FIRST##Class, \ 1037381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt last##BASE##Constant = LAST##Class, 1047381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1057381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt first##BASE##Constant = FIRST##Class, \ 1067381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt last##BASE##Constant = LAST##Class 1077381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1084bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 11143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The statement class. 11243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor const unsigned sClass : 8; 1131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The reference count for this statement. 11543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor unsigned RefCount : 24; 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 1308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 131f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 136f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1418189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 143e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 144fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 145fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 146e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 147fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 148e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 149025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 150025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 151025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 152025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 153025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 154025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1559c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1569c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1579c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 15827f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 160025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 1611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit Stmt(StmtClass SC, EmptyShell) : sClass(SC), RefCount(1) { 162025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 163025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 164025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 16542602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// \brief Virtual method that performs the actual destruction of 16642602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// this statement. 16742602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// 16842602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// Subclasses should override this method (not Destroy()) to 16942602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// provide class-specific destruction. 17042602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext &Ctx); 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt(StmtClass SC) : sClass(SC), RefCount(1) { 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 1771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 178129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#ifndef NDEBUG 179129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief True if this statement's refcount is in a valid state. 180129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// Should be used only in assertions. 181129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isRetained() const { 182129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return (RefCount >= 1); 183129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 184129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#endif 185129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 18642602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// \brief Destroy the current statement and its children. 1871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Destroy(ASTContext &Ctx) { 188cf5c19b9b7145e7fc092fa1309085deded25b0f1Fariborz Jahanian assert(RefCount >= 1); 18943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor if (--RefCount == 0) 1901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DoDestroy(Ctx); 19143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Increases the reference count for this statement. 19443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 19543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// Invoke the Retain() operation when this statement or expression 19643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// is being shared by another owner. 19743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Stmt *Retain() { 1988b55ce79391dcce51c52f8aff923f4607e6cd977Douglas Gregor assert(RefCount >= 1); 19943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor ++RefCount; 20043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor return this; 20143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 2021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 203c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 204b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor assert(RefCount >= 1 && "Referencing already-destroyed statement!"); 205c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt return (StmtClass)sClass; 206b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 209b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 210b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 211b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 212b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 213311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 214311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2182024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2206000dace22f110d8768476989313e9d981d690d0Chris Lattner 2216000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2226000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2236000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 225e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2266000dace22f110d8768476989313e9d981d690d0Chris Lattner 2276000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2286000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 229e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2306000dace22f110d8768476989313e9d981d690d0Chris Lattner 2316000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2326000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 23348d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 235e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 23648d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 23748d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 23848d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 239e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 241e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 242d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 244d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 245d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 246d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 251d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 252d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 253d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 254d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 255d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 256d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 257d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 25877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 25977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 26077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2619caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2629caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 2631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 2661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2689caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 26977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2729caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 27377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 27441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 27541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 27641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 27741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 27841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 27941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 28041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 28141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 28241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 28341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 2841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 28541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 28641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 28741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 28841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor bool Canonical); 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 2979653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 29881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 2991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 300e7809d49413febf078d0503753987fe9f6061a68Ted Kremenekprotected: 301e7809d49413febf078d0503753987fe9f6061a68Ted Kremenek virtual void DoDestroy(ASTContext &Ctx); 302e7809d49413febf078d0503753987fe9f6061a68Ted Kremenek 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3058ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3068ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 30984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 31084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3117e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 312fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3137e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 314fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3158ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3177e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 320e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 321e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 32284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 323b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 32481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 32584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 32681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 32784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 32884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3298ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 33081c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 33181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33814f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 3398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3420632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3430632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3458ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3468ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3478ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3488ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 358025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 359025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 360025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 362025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 363b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 364507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3798189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3808189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 381b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3848189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 386026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 387026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 388026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 389026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 3901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 391026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 392026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 394025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 395025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 396025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 397025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor : Stmt(CompoundStmtClass, Empty), Body(0), NumStmts(0) { } 398025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 399025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 4001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 402025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor unsigned size() const { return NumStmts; } 403025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 4078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 4128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 4138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 4198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 4208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4214ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4244ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 4278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 4308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 4318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 435b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 437cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 438025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 439cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 440025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 4488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 4498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 452c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 453c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 454103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 455c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 456c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 457c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 458103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 459d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 4601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 461c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 462c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 463c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 464c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 465c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 466c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 467d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 468d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 469b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 470b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 474c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 475c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 476c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 4773fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 4781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual Stmt* v_getSubStmt() = 0; 479c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 480c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 481c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 482d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 4831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 484d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 485b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 486dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 487dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 488dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor 4893fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 491dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 493d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 49424e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 495d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 496d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 497b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 498dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 499dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 500d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 501025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 502025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 503025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 504025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 505764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 506025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 507dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 508dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 509dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 510dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 511025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 512d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 513d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 514d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 515025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 51851b09f2c528c8460b5465c676173324e44176d62Devang Patel } 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 52151b09f2c528c8460b5465c676173324e44176d62Devang Patel } 52251b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 52420dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 52520dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 52620dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 5271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5293fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 5303fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 5313fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 53291ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 5333fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 5341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 536b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 5411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 542d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 543d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 544d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 547c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 548d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 5496c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 550dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5513fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 554dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 555dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 556025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 557025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 558025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 559025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 560d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 56151b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 562025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 563025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5646c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 565025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 566dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 567dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 571b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 5761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 577d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 578d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 579d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 585b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 5881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Stmt(LabelStmtClass), Label(label), 589b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 5901de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 5911de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 5921de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 5931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 5961de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setID(IdentifierInfo *II) { Label = II; } 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 602b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 6208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 6218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6228cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 6238cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief If non-NULL, the declaration in the "if" statement. 6248cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor VarDecl *Var; 625c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 626b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 627d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 628c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 63035628d1f17c817f8c240208db7ba490e3109981bTed Kremenek IfStmt(SourceLocation IL, VarDecl *var, Expr *cond, Stmt *then, 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation EL = SourceLocation(), Stmt *elsev = 0) 63235628d1f17c817f8c240208db7ba490e3109981bTed Kremenek : Stmt(IfStmtClass), Var(var), IfLoc(IL), ElseLoc(EL) { 6338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 6358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 6368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 638025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 639025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 640025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6418cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 6428cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 6438cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 6448cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 6458cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 6468cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 6478cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 6488cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 6498cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor VarDecl *getConditionVariable() const { return Var; } 6508cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 651c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 653025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 6548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 6568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 657025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 6618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 662b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 663025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 664025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 665d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 666d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 667025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 669b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 670b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 671b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 672b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 673b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 6791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 68035628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // Iterators over subexpressions. The iterators will include iterating 68135628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // over the initialization expression referenced by the condition variable. 6828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 68435628d1f17c817f8c240208db7ba490e3109981bTed Kremenek 68535628d1f17c817f8c240208db7ba490e3109981bTed Kremenekprotected: 68635628d1f17c817f8c240208db7ba490e3109981bTed Kremenek virtual void DoDestroy(ASTContext &Ctx); 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 6928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 694d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor VarDecl *Var; 695c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 696c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 6979dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregorprotected: 70043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor virtual void DoDestroy(ASTContext &Ctx); 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 703c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt SwitchStmt(VarDecl *Var, Expr *cond) 704c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Stmt(SwitchStmtClass), Var(Var), FirstCase(0) 705d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor { 706d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 707d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor SubExprs[BODY] = NULL; 708d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor } 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 710025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 711025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 712025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 713d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 714d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 715d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 716d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 717d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 718d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 719d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 720d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 721d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 722d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor VarDecl *getConditionVariable() const { return Var; } 723d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 724d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 7258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 727c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 728c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 730025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 732025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 733c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 7341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 73643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 73743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 73843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 739025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 740025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 741025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 742025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 743c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 7451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 7469dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 748c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 749c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 75043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor SC->Retain(); 751c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 752c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 753c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 7541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 7569dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 7571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 7611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 7718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 7725656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor VarDecl *Var; 7738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 774b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7765656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor WhileStmt(VarDecl *Var, Expr *cond, Stmt *body, SourceLocation WL) 777c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Stmt(WhileStmtClass), Var(Var) 7785656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor { 7798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 7808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 781b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 7828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 7831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 784d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 785d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 786d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 7875656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 7885656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 7895656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 7905656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 7915656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 7925656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 7935656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 7945656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 7955656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor VarDecl *getConditionVariable() const { return Var; } 7965656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 7975656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 7988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 800d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 803d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 804d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 805d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 806d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 807b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 8081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 810b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 8151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 819c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 8207d02b8c3be58676a03046eef9d056063e55ada3eTed Kremenekprotected: 8217d02b8c3be58676a03046eef9d056063e55ada3eTed Kremenek virtual void DoDestroy(ASTContext &Ctx); 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 8278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 8288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 829b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 8309f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 831989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 8329f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 834989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 835989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 836989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 8378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 8388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 84067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 84167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 84267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 84667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 84967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 85067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 85167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 85267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 8539f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 8549f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 855b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 856989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 857989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 858989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 861b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 8668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8688297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 8788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 8798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 88099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor VarDecl *CondVar; 881b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 8825831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 8835831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 885c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt ForStmt(Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, Stmt *Body, 88699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor SourceLocation FL, SourceLocation LP, SourceLocation RP) 887c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt : Stmt(ForStmtClass), CondVar(condVar), ForLoc(FL), LParenLoc(LP), 888c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt RParenLoc(RP) 88999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor { 890af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 891af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 892af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 893af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 894af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 8951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 89767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 89867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 8998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 900c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 90199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 90299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 90399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 90499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 90599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 90699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 90799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 90899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 90999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor VarDecl *getConditionVariable() const { return CondVar; } 91099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor void setConditionVariable(VarDecl *V) { CondVar = V; } 911c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 9128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 9178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 920b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 92167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 92267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 92367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 92467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 92567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 92667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 92767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 9285831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 9295831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 9305831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 9315831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 93267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 935b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 9401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 944c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 945f0d975f25b1d71612fcbd58ce8abbbc4532c6bb5Ted Kremenekprotected: 946f0d975f25b1d71612fcbd58ce8abbbc4532c6bb5Ted Kremenek virtual void DoDestroy(ASTContext &Ctx); 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 9525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 953507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 95461f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 9555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 95761f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 9581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9591de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 9601de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 9611de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9631de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabel(LabelStmt *S) { Label = S; } 9641de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9651de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 9661de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 9671de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 9681de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 969b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 9701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 972507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 9755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 986ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 9875f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 9881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 9915f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 9925f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 9935f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 9947d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 9957d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 9961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 9977d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 999ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1000ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 10015f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 10025f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10041060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 10051060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 10067d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1007b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1008ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner virtual SourceRange getSourceRange() const { 1009ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1010ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 10161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1026507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1028507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 10291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1030d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1031d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1032d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1033d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1034d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1035d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 10371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1038507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1039861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 10441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1053507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1055507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 10561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1057025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1058025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1059025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1060025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1061025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1062025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1063507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1064b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 10651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 10691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1076c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1077c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1078c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1079c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1080c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1081c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1082c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1083c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 10861060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1087507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 10885077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 10895077c3876beeaed32280af88244e8050078619a8Douglas Gregor 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10915077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 10925077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr(0), NRVOCandidate(0) { } 10935077c3876beeaed32280af88244e8050078619a8Douglas Gregor 10945077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 10955077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 10965077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 10970de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 10980de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 10990de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 11000de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11011060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 11021060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 11030de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 11040de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11050de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 11060de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1107b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11085077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 11095077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 11105077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 11115077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 11125077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 11135077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 11145077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 11155077c3876beeaed32280af88244e8050078619a8Douglas Gregor 1116507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 11171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 11221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 11248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 11258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1128fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1129fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1130fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1131fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 11326a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1133b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1134dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 113539c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 11363b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 11371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1138b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1139b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1140966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 11411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1142966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1143966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1144966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1145966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1146966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1147b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1148966146e89141804ff6492739a2a6e6592ca671c7Anders Carlssonprotected: 1149966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson virtual void DoDestroy(ASTContext &Ctx); 1150c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1151fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1152c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1153966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1154ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1155db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1156db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1157b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1158cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1159c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1160966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1161cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1162cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1163cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1164cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1165cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1166cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 116739c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1168cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1169dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 11706ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 11713b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 11723b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1173dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1174458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1175458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1176458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1177458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1178cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1179cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1180458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1181458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1182458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1183458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1184458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1185458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1186458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1187458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1188458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1189458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1190458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1191458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1192458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1193458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1194458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1195458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1196458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1197458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1198458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1200458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1201458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 12021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1203458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1204458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1205458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1206458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1207458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1208458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1209458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1210458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1211458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1213458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1214458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1215458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1216458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1217458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1218458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1219458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 12201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1221458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1222458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1223458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1224458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 12251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1226fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1227fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1230b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1231b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1232b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1233ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1234ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1235ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1236ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1237ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1238ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getOutputName(unsigned i) const { 1239ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1240ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1241c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1242ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1243ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1244ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1245b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1246b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1247b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1248acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getOutputConstraint(unsigned i) const; 12491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1250b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1251ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1252ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1253b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1254b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1255b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1257ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1259b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1260b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1261b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1263b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1264b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1265b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1266b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1267b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1268b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 127085759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 127185759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 127285759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1274b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 12751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 12771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1278ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1279ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1280ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1282ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getInputName(unsigned i) const { 1283ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1284ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1285ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1286ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1287ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1288ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1289b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1290b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1291acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getInputConstraint(unsigned i) const; 12921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1293b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1294ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1295ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1296b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1297ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1298ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1300ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1302b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1303b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1304b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1305cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1306acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1307ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1308fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1309fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1310fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1311c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1312fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1313fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1314cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 131510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 131710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 131810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 131910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1320acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson int getNamedOperand(llvm::StringRef SymbolicName) const; 132110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1322966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1323b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1324d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1325cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1326fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1327fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1328fe795956194141c91ae555985c9b930595bff43fChris Lattner } 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1330fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1331fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1333ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1335ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1336ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1338ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1339966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1340ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1342ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1343966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1344ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1346ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1347966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1348ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1350ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1351966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1352d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1354ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 13551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1356ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1357ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1359d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1360966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1361d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1362d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1363966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1364d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1366d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1367966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1368d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1369d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1370966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1371d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Child iterators 13741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1375fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1376fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 1377fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 137878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 13805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1382