Stmt.h revision 355a9fe26a6dec89680ddf713dd5bc7a671b298a
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Stmt interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_STMT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_STMT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff#include "llvm/Support/Casting.h" 18a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek#include "llvm/Support/raw_ostream.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 20d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 219caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 228ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 235ee56e95c3905d2e7bc403631b03865cdbdd8a42Anders Carlsson#include "clang/AST/FullExpr.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 266e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 34e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 377ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 384b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 400c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 416a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 426c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 731705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 751705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 781705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 791705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 92ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 1017381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1029a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1037381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1049a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1057381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1064bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 10943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The statement class. 11043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor const unsigned sClass : 8; 1111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief The reference count for this statement. 11343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor unsigned RefCount : 24; 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 129f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 134f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 141e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 142fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 143fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 144e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 145fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 146e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 147025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 148025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 149025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 150025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 151025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 152025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1539c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 154025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 1551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit Stmt(StmtClass SC, EmptyShell) : sClass(SC), RefCount(1) { 156025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 157025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 158025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt(StmtClass SC) : sClass(SC), RefCount(1) { 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 1641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 165129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#ifndef NDEBUG 166129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// \brief True if this statement's refcount is in a valid state. 167129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall /// Should be used only in assertions. 168129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall bool isRetained() const { 169129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall return (RefCount >= 1); 170129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall } 171129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall#endif 172129e2df52ed7e0434b3f1cf1867fd6a5cb083ff6John McCall 17343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Increases the reference count for this statement. 17443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 17543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// Invoke the Retain() operation when this statement or expression 17643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// is being shared by another owner. 17743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor Stmt *Retain() { 1788b55ce79391dcce51c52f8aff923f4607e6cd977Douglas Gregor assert(RefCount >= 1); 17943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor ++RefCount; 18043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor return this; 18143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor } 1821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 183c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 184b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor assert(RefCount >= 1 && "Referencing already-destroyed statement!"); 185c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt return (StmtClass)sClass; 186b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 1881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 190b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 191b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 192b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 193311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 194311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 1982024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2006000dace22f110d8768476989313e9d981d690d0Chris Lattner 2016000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2026000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2036000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 205e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2069668033ee4c25efd019e6c7e6dd96aa2e6364a46Argyrios Kyrtzidis void dump(llvm::raw_ostream &OS, SourceManager &SM) const; 2076000dace22f110d8768476989313e9d981d690d0Chris Lattner 2086000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2096000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 210e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2116000dace22f110d8768476989313e9d981d690d0Chris Lattner 2126000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2136000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 21448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 216e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 21748d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 21848d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 21948d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 220e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 222e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 223d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 225d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 226d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 227d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 232d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 233d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 234d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 235d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 236d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 237d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 238d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 23977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 24077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 24177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2429caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2439caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 2441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 2471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2499caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 25077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2539caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 25477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 25541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 25641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 25741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 25841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 25941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 26041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 26141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 26241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 26341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 26441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 2651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 26641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 26741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 26841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 26941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor bool Canonical); 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 2789653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 27981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 2838ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 2848ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 28784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 28884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 2897e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 290fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 2917e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 292fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 2938ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 2941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2957e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 2961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 298e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 299e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 30084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 301b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 30281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 30384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 30481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 30584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 30684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3078ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 30881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 30981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31614f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 3178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3200632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3210632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3238ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3248ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3258ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3268ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 336025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 337025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 338025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 340025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 341b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 342507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3578189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3588189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 359b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3628189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3638189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 364026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 365026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 366026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 367026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 369026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 370026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 372025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 373025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 374025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 375025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor : Stmt(CompoundStmtClass, Empty), Body(0), NumStmts(0) { } 376025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 377025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 3781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3798189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 380025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor unsigned size() const { return NumStmts; } 381025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3828189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 3838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 3848189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 3858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3878189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 3888189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 3898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 3908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 3918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 3938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 3948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 3958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 3978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 3988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3994ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4024ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 4058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 4088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 4098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 413b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 415cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 416025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 417cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 418025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 4191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 4268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 4278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 430c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 431c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 432103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 433c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 434c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 435c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 436103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 437d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 4381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 439c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 440c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 441c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 442c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 443c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 444c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 445d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 446d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 447b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 448b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 4491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 452c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 453c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 454c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 4553fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual Stmt* v_getSubStmt() = 0; 457c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 458c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 459c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 460d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 4611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 462d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 463b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 464dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 465dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 466dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor 4673fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 469dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 471d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 47224e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 473d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 474d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 475b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 476dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 477dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 478d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 479025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 480025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 481025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 482025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 483764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 484025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 485dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 486dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 487dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 488dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 489025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 490d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 491d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 492d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 493025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 49651b09f2c528c8460b5465c676173324e44176d62Devang Patel } 4971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 4981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 49951b09f2c528c8460b5465c676173324e44176d62Devang Patel } 50051b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 50220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 50320dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 50420dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 5051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5073fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 5083fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 5093fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 51091ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 5113fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 514b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 520d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 521d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 522d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 525c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 526d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 5276c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 528dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5293fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 532dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 533dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 534025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 535025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 536025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 537025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 538d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 53951b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 540025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 541025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5426c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 543025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 544dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 545dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 549b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 5541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 555d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 556d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 557d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 563b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 564355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis bool Used : 1; 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Stmt(LabelStmtClass), Label(label), 568355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis SubStmt(substmt), IdentLoc(IL), Used(false) {} 5691de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 5701de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 5711de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 5751de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setID(IdentifierInfo *II) { Label = II; } 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 581b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 582355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis /// \brief Whether this label was used. 583355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis /// FIXME: Check "used" attribute (requires storing label attributes). 584355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis bool isUsed() const { return Used; } 585355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis void setUsed(bool U = true) { Used = U; } 586355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 5881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 60443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 6058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6068cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 607b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 608d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 609c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 61143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 61243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 61343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor 614025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 615025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 616025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6178cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 6188cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 6198cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 6208cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 6218cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 6228cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 6238cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 6248cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 62543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 62643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 627c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 629025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 6308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 6328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 633025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 6378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 638b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 639025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 640025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 641d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 642d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 643025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 645b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 646b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 647b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 648b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 649b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 65635628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // Iterators over subexpressions. The iterators will include iterating 65735628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // over the initialization expression referenced by the condition variable. 6588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 6635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 66543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 667c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 668c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 6699dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 6701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 671559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 672559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 673559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 674559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 675559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 67743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 6781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 679025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 680025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 681025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 682d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 683d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 684d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 685d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 686d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 687d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 688d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 689d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 690d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 69143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 69243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 693d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 6948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 696c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 697c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 6988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 699025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 701025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 702c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 7031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 70443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 70543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 70643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 70743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 708025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 709025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 710025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 711025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 712c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 7141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 7159dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 717c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 718c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 71943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor SC->Retain(); 720c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 721c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 722c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 723559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 724559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 725559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 726559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 727559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 728559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 729559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 730559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 731559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 732559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 733559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 734559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 735559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 7361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 7389dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 7391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 75343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 7548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 755b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 75743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 75843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 7591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 760d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 761d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 762d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 7635656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 7645656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 7655656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 7665656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 7675656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 7685656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 7695656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 7705656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 77143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 77243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 7735656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 7748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 776d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 7778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 779d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 780d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 781d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 782d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 783b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 7841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 7851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 786b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 7911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 8008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 8018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 802b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 8039f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 804989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 8059f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 807989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 808989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 809989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 8108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 8118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 8121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 81367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 81467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 81567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 81967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 82267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 82367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 82467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 82567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 8269f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 8279f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 828b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 829989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 830989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 831989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 8321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 834b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 8398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 85143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 8528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 853b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 8545831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 8555831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 85743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 85843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 86067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 86167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 86267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 8638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 864c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 86599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 86699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 86799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 86899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 86999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 87099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 87199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 87299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 87343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 87443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 875c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 8768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 8788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 8818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 8828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 8838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 884b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 88567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 88667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 88767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 88867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 88967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 89067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 89167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 8925831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 8935831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 8945831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 8955831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 89667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 8971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 899b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 914507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 91561f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 91861f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 9191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9201de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 9211de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 9221de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9241de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabel(LabelStmt *S) { Label = S; } 9251de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9261de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 9271de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 9281de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 9291de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 930b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 933507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 9341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 9381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 947ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 9485f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 9491060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 9525f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 9535f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 9545f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 9557d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 9567d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 9571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 9587d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 9591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 960ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 961ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 9625f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 9635f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 9641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9651060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 9661060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 9677d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 968b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 969ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner virtual SourceRange getSourceRange() const { 970ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 971ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 9755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 987507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 9885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 989507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 9901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 991d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 992d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 993d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 994d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 995d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 996d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 999507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1000861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 10051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1014507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1016507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 10171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1018025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1019025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1020025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1021025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1022025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1023025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1024507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1025b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 10261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 10301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1037c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1038c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1039c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1040c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1041c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1042c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1043c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1044c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 10471060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1048507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 10495077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 10505077c3876beeaed32280af88244e8050078619a8Douglas Gregor 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10525077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 105325a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 10545077c3876beeaed32280af88244e8050078619a8Douglas Gregor 10555077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 10565077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 10575077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 10580de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 10590de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 10600de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 10610de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 10621060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 10631060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 10640de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 10650de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 10660de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 10670de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1068b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 10695077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 10705077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 10715077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 10725077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 10735077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 10745077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 10755077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 10765077c3876beeaed32280af88244e8050078619a8Douglas Gregor 1077507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 10781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1089fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1090fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1091fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1092fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 10936a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1094b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1095dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 109639c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 10973b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1099b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1100b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1101966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 11021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1103966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1104966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1105966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1106966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1107966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1108c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1109fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1110c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1111966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1112ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1113db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1114db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1115b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1116cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1117c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1118966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1119cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1120cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1121cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1122cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1123cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1124cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 112539c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1126cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1127dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 11286ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 11293b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 11303b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1131dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1132458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1133458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1134458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1135458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1136cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1137cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1138458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1139458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1140458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1141458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1142458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1143458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1144458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1145458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1146458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1147458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1148458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1149458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1150458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1151458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1152458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1153458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1154458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1155458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1156458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 11571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1158458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1159458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1161458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1162458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1163458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1164458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1165458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1166458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1167458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1168458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1169458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 11701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1171458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1172458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1173458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1174458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1175458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1176458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1177458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1179458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1180458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1181458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1182458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1184fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1185fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1188b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1189b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1190b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1191ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1192ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1193ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1194ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1195ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1196ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getOutputName(unsigned i) const { 1197ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1198ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1199c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1200ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1201ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1202ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1203b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1204b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1205b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1206acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getOutputConstraint(unsigned i) const; 12071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1208b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1209ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1210ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1211b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1212b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1213b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1215ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1217b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1218b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1219b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1221b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1222b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1223b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1224b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1225b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1226b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 122885759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 122985759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 123085759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 12311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1232b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 12331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1236ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1237ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1238ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1240ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getInputName(unsigned i) const { 1241ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1242ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1243ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1244ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1245ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1246ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1247b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1248b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1249acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getInputConstraint(unsigned i) const; 12501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1251b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1252ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1253ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1254b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1255ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1256ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1258ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1260b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1261b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1262b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1263cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1264acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1265ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1266fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1267fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1268fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1269c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1270fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1271fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1272cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 127310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 127510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 127610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 127710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1278acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson int getNamedOperand(llvm::StringRef SymbolicName) const; 127910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1280966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1281b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1282d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1283cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1284fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1285fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1286fe795956194141c91ae555985c9b930595bff43fChris Lattner } 12871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1288fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1289fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 12901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1291ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 12921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1293ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1294ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1296ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1297966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1298ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 12991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1300ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1301966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1302ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1304ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1305966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1306ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1308ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1309966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1310d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1312ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1314ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1315ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1317d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1318966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1319d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1320d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1321966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1322d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1324d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1325966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1326d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1327d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1328966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1329d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 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