Stmt.h revision 129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Stmt interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_STMT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_STMT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff#include "llvm/Support/Casting.h" 18a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek#include "llvm/Support/raw_ostream.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 20d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 219caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 228ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 256e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 267573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 33e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 367ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 374b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 390c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 406a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 416c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt* const * I; 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator(Stmt* const* i) : I(i) {} 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator+(size_t i) { return I+i; } 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator-(size_t i) { return I-i; } 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_STMT(CLASS) firstStmtConstant = CLASS##Class, 101f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_STMT(CLASS) lastStmtConstant = CLASS##Class, 102f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_EXPR(CLASS) firstExprConstant = CLASS##Class, 103f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_EXPR(CLASS) lastExprConstant = CLASS##Class 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/StmtNodes.def" 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 10743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The statement class. 10843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor const unsigned sClass : 8; 1091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The reference count for this statement. 11143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor unsigned RefCount : 24; 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 1268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 1278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 1328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1348189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 139e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 140fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 141fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 142e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 143fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 144e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 145025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 146025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 147025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 148025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 149025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 150025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1519c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1529c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1539c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 15427f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 1571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit Stmt(StmtClass SC, EmptyShell) : sClass(SC), RefCount(1) { 158025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 159025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 160025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 16142602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// \brief Virtual method that performs the actual destruction of 16242602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// this statement. 16342602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// 16442602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// Subclasses should override this method (not Destroy()) to 16542602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// provide class-specific destruction. 16642602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor virtual void DoDestroy(ASTContext &Ctx); 1671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt(StmtClass SC) : sClass(SC), RefCount(1) { 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 1731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 174129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#ifndef NDEBUG 175129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief True if this statement's refcount is in a valid state. 176129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// Should be used only in assertions. 177129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isRetained() const { 178129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return (RefCount >= 1); 179129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 180129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#endif 181129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 18242602bb40aefcc2751d4078ba88aacf4d965c9bdDouglas Gregor /// \brief Destroy the current statement and its children. 1831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void Destroy(ASTContext &Ctx) { 184cf5c19b9b7145e7fc092fa1309085deded25b0f1Fariborz Jahanian assert(RefCount >= 1); 18543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor if (--RefCount == 0) 1861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DoDestroy(Ctx); 18743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Increases the reference count for this statement. 19043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 19143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// Invoke the Retain() operation when this statement or expression 19243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// is being shared by another owner. 19343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Stmt *Retain() { 1948b55ce79391dcce51c52f8aff923f4607e6cd977Douglas Gregor assert(RefCount >= 1); 19543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor ++RefCount; 19643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor return this; 19743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 1981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 199b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor StmtClass getStmtClass() const { 200b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor assert(RefCount >= 1 && "Referencing already-destroyed statement!"); 201b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor return (StmtClass)sClass; 202b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 205b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 206b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 207b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 208b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 209311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 210311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2142024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2166000dace22f110d8768476989313e9d981d690d0Chris Lattner 2176000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2186000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2196000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 221e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2226000dace22f110d8768476989313e9d981d690d0Chris Lattner 2236000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2246000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 225e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2266000dace22f110d8768476989313e9d981d690d0Chris Lattner 2276000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2286000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 22948d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 231e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 23248d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 23348d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 23448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 235e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 237e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 238d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 240d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 241d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 242d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 247d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 248d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 249d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 250d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 251d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 252d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 253d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 25477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 25577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 25677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2579caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2589caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 2591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 2621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2649caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 26577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2689caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 26977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 27041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 27141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 27241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 27341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 27441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 27541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 27641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 27741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 27841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 27941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 28141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 28241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 28341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 28441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor bool Canonical); 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 2939653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 29481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 2988ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 2998ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 30284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 30384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3047e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 305fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3067e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 307fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3088ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3107e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 313e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 314e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 31584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 316b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 31781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 31884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 31981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 32084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 32184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3228ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 32381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 32481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33114f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 3328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3350632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3360632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3388ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3398ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3408ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3418ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 351025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 352025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 353025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 355025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 356b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 357507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 3581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 374b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 379026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 380026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 381026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 382026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 384026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 385026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 387025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 388025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 389025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 390025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor : Stmt(CompoundStmtClass, Empty), Body(0), NumStmts(0) { } 391025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 392025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 395025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor unsigned size() const { return NumStmts; } 396025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 3988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 3998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 4008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 4058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 4068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 4128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 4138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4144ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4174ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 4208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 4238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 4248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 4271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 428b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 430cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 431025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 432cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 433025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 4418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 4428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 445c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 446c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 447103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 448c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 449c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 450c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 451103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 452d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 454c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 455c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 456c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 457c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 458c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 459c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 460d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 461d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 462b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 463b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 467c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 468c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 469c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 4703fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual Stmt* v_getSubStmt() = 0; 472c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 473c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 474c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 475d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 477d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 478b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 479dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 480dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 481dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor 4823fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 484dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 486d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 48724e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 488d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 489d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 490b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 491dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 492dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 493d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 494025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 495025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 496025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 497025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 498764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 499025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 500dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 501dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 502dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 503dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 504025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 505d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 506d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 507d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 508025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 5101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 51151b09f2c528c8460b5465c676173324e44176d62Devang Patel } 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 5131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 51451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 51551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 51720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 51820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 51920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5223fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 5233fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 5243fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 52591ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 5263fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 5271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 529b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 5341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 535d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 536d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 537d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 540c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 541d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 5426c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 543dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5443fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 547dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 548dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 549025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 550025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 551025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 552025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 553d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 55451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 555025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 556025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5576c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 558025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 559dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 560dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 564b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 5691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 570d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 571d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 572d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 578b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 5811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Stmt(LabelStmtClass), Label(label), 582b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 5831de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 5841de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 5851de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 5861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 5891de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setID(IdentifierInfo *II) { Label = II; } 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 595b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 5961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 5971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 6138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 6148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6158cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 6168cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief If non-NULL, the declaration in the "if" statement. 6178cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor VarDecl *Var; 6188cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 619b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 620d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 6218cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 6225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6238cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor IfStmt(SourceLocation IL, VarDecl *Var, Expr *cond, Stmt *then, 6241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation EL = SourceLocation(), Stmt *elsev = 0) 6258cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor : Stmt(IfStmtClass), Var(Var), IfLoc(IL), ElseLoc(EL) { 6268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 6288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 6298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 631025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 632025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 633025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6348cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 6358cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 6368cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 6378cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 6388cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 6398cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 6408cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 6418cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 6428cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor VarDecl *getConditionVariable() const { return Var; } 6438cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 6448cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 6458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 646025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 6478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 6481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 6498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 650025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 6548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 655b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 656025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 657025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 658d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 659d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 660025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 662b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 663b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 664b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 665b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 666b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 6721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 6818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 683d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor VarDecl *Var; 684c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 685c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 6869dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 68843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregorprotected: 68943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor virtual void DoDestroy(ASTContext &Ctx); 6901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 692d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor SwitchStmt(VarDecl *Var, Expr *cond) 693d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor : Stmt(SwitchStmtClass), Var(Var), FirstCase(0) 694d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor { 695d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 696d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor SubExprs[BODY] = NULL; 697d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor } 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 699025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 700025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 701025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 702d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 703d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 704d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 705d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 706d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 707d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 708d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 709d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 710d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 711d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor VarDecl *getConditionVariable() const { return Var; } 712d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 713d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 7148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 716c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 717c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 719025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 721025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 722c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 7231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 72543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 72643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 72743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 728025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 729025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 730025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 731025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 732c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 7341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 7359dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 7361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 737c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 738c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 73943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor SC->Retain(); 740c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 741c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 742c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 7441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 7459dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 7461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 7608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 7615656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor VarDecl *Var; 7628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 763b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7655656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor WhileStmt(VarDecl *Var, Expr *cond, Stmt *body, SourceLocation WL) 7665656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor : Stmt(WhileStmtClass), Var(Var) 7675656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor { 7688297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 7698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 770b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 7718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 773d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 774d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 775d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 7765656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 7775656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 7785656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 7795656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 7805656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 7815656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 7825656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 7835656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 7845656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor VarDecl *getConditionVariable() const { return Var; } 7855656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor void setConditionVariable(VarDecl *V) { Var = V; } 7865656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 7878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 789d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 7908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 792d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 793d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 794d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 795d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 796b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 7981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 799b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 8138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 8148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 815b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 8169f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 817989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 8189f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 820989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 821989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 822989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 8238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 8248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 8251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 82667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 82767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 82867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 8291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 83267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 83567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 83667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 83767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 83867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 8399f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 8409f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 841b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 842989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 843989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 844989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 847b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 8528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 8648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 8658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 86699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor VarDecl *CondVar; 867b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 8685831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 8695831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 87199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor ForStmt(Stmt *Init, Expr *Cond, VarDecl *CondVar, Expr *Inc, Stmt *Body, 87299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor SourceLocation FL, SourceLocation LP, SourceLocation RP) 87399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor : Stmt(ForStmtClass), CondVar(CondVar), ForLoc(FL), LParenLoc(LP), 87499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor RParenLoc(RP) 87599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor { 876af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 877af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 878af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 879af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 880af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 8811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 88367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 88467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 8858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 88699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 88799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 88899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 88999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 89099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 89199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 89299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 89399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 89499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 89599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor VarDecl *getConditionVariable() const { return CondVar; } 89699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor void setConditionVariable(VarDecl *V) { CondVar = V; } 89799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor 8988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 9038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 906b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 90767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 90867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 90967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 91067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 91167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 91267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 91367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 9145831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 9155831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 9165831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 9175831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 91867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 921b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 9245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 9261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 9335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 936507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 93761f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 94061f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 9411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9421de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 9431de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 9441de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9461de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabel(LabelStmt *S) { Label = S; } 9471de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9481de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 9491de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 9501de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 9511de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 952b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 9531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 955507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 9561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 9601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 969ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 9705f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 9711060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 9725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 9745f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 9755f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 9765f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 9777d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 9787d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 9791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 9807d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 9811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 982ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 983ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 9845f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 9855f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 9861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 9881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 9897d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 990b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 991ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner virtual SourceRange getSourceRange() const { 992ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 993ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 9941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 9975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 9991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1009507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1011507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 10121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1013d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1014d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1015d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1016d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1017d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1018d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 10201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1021507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1022861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 10231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 10345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1036507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1038507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1040025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1041025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1042025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1043025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1044025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1045025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1046507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1047b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 10481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1059c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1060c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1061c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1062c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1063c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1064c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1065c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1066c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 10691060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1070507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ReturnStmt(SourceLocation RL, Expr *E = 0) : Stmt(ReturnStmtClass), 10731060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek RetExpr((Stmt*) E), RetLoc(RL) {} 10740de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 10750de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 10760de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 10770de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 10781060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 10791060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 10800de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 10810de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 10820de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 10830de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1084b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1085507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 10911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1097fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1098fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1099fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1100fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 11016a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1102b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1103dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 110439c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1106b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1107b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 11081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1109b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<std::string, 4> Names; 1110b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Constraints; 1111ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek llvm::SmallVector<Stmt*, 4> Exprs; 1112b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1113b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Clobbers; 1114fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump AsmStmt(SourceLocation asmloc, bool issimple, bool isvolatile, 11161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned numoutputs, unsigned numinputs, 1117dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson std::string *names, StringLiteral **constraints, 1118db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1119db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1120b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1121cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1122cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty) { } 1123cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1124cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1125cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1126cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1127cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1128cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 112939c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1130cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1131dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 1132cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setSimple(bool V) { IsSimple = false; } 1133dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1134458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1135458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1136458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1137458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1138cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1139cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1140458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1141458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1142458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1143458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1144458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1145458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1146458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1147458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1148458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1149458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1150458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1151458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1152458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1153458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1154458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1155458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1156458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1157458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1158458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 11591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1160458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1161458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 11621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1163458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1164458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1165458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1166458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1167458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1168458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1169458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1170458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1171458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 11721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1173458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1174458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1175458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1176458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1177458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1178458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1179458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1181458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1182458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1183458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1184458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 11851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1186fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1187fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1190b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1191b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1192b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1193ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1194ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getOutputName(unsigned i) const { 1195ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1196ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1197ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1198b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1199b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1200b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1201b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getOutputConstraint(unsigned i) const; 12021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1203b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1204ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1205ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1206b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1207b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1208b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1211ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1213b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1214b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1215b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1217b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1218b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1219b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1220b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1221b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1222b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 122485759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 122585759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 122685759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 12271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1228b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 12291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 12311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1232ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getInputName(unsigned i) const { 1233ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1234ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1236b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1237b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1238b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getInputConstraint(unsigned i) const; 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1240b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1241ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1242ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1243b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1244ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1245ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1248ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 12491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1250b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1251b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1252b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1253cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1254cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setOutputsAndInputs(unsigned NumOutputs, 12551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumInputs, 1256cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor const std::string *Names, 1257cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor StringLiteral **Constraints, 1258cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor Stmt **Exprs); 1259cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 126010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 12611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 126210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 126310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 126410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 126510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner int getNamedOperand(const std::string &SymbolicName) const; 126610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 12671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1268d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson 1269b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumClobbers() const { return Clobbers.size(); } 1270b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1271d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1272cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setClobbers(StringLiteral **Clobbers, unsigned NumClobbers); 1273cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1274fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1275fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1276fe795956194141c91ae555985c9b930595bff43fChris Lattner } 12771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1278fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1279fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 12801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1281ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 12821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1283ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1284ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 12851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1286ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 128715dffd863b4d8f6f7b04b5c80566ea3531a14f41Ted Kremenek return Exprs.data() + NumOutputs; 1288ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1290ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 129115dffd863b4d8f6f7b04b5c80566ea3531a14f41Ted Kremenek return Exprs.data() + NumOutputs + NumInputs; 1292ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1294ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 129515dffd863b4d8f6f7b04b5c80566ea3531a14f41Ted Kremenek return Exprs.data() + NumOutputs; 1296ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1298ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 129915dffd863b4d8f6f7b04b5c80566ea3531a14f41Ted Kremenek return Exprs.data() + NumOutputs + NumInputs; 1300d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1302ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 13031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1304ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1305ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1307d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 130815dffd863b4d8f6f7b04b5c80566ea3531a14f41Ted Kremenek return Exprs.data(); 1309d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1310d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 131115dffd863b4d8f6f7b04b5c80566ea3531a14f41Ted Kremenek return Exprs.data() + NumOutputs; 1312d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1314d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 131515dffd863b4d8f6f7b04b5c80566ea3531a14f41Ted Kremenek return Exprs.data(); 1316d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1317d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 131815dffd863b4d8f6f7b04b5c80566ea3531a14f41Ted Kremenek return Exprs.data() + NumOutputs; 1319d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 132145b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson // Input name iterator. 13221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 132345b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *begin_output_names() const { 132445b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0]; 132545b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 13261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 132745b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *end_output_names() const { 132845b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0] + NumOutputs; 132945b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Child iterators 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1333fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1334fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 1335fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 133678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 13375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 13385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1340