Stmt.h revision 44aa1f397855f130e88e62ffc1029f7f83bb5d2e
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" 1078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class LabelStmtBitfields { 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class LabelStmt; 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned Used : 1; 1398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned HasUnusedAttr : 1; 1408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1418e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1428e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1438e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1448e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1468e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 1478e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1488e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1498e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 150f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1528e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 1538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 154f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall enum { NumExprBits = 14 }; 1558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 1588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 1598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1602bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 1612bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 1628e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 1658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 1668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 1678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall LabelStmtBitfields LabelStmtBits; 1688e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 1698e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 1708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 1758189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 176f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1808189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 181f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1828189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1868189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1878189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 188e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 189fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 190fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 191e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 192fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 193e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 194025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 195025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 196025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 197025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 198025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 199025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2009c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 201025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 2028e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 2038e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 204025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 205025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 206025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2088e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 2098e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 2131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 214c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 2158e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 216b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 219b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 220b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 221b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 222b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 223311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 224311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2282024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2306000dace22f110d8768476989313e9d981d690d0Chris Lattner 2316000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2326000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2336000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 235e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2369668033ee4c25efd019e6c7e6dd96aa2e6364a46Argyrios Kyrtzidis void dump(llvm::raw_ostream &OS, SourceManager &SM) const; 2376000dace22f110d8768476989313e9d981d690d0Chris Lattner 2386000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2396000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 240e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2416000dace22f110d8768476989313e9d981d690d0Chris Lattner 2426000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2436000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 24448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 246e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 24748d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 24848d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 24948d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 250e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 252e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 253d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 255d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 256d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 257d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 262d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 263d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 264d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 265d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 266d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 267d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 268d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 26977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 27077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 27177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2729caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2739caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 2771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2799caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 28077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2839caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 28477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 28541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 28641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 28741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 28841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 28941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 29041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 29141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 29241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 29341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 29441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 29641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 29741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 29841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 29941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor bool Canonical); 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 3089653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 30981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3138ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3148ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 31784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 31884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3197e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 320fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3217e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 322fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3238ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3257e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 328e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 329e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 33084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 331b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 33281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 33384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 33481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 33584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 33684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3378ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 33881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 33981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34614f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 3478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3500632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3510632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3538ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3548ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3558ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3568ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 36344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 36444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// \brief Whether the null statement was preceded by an empty macro, e.g: 36544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 36644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 36744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 36844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 36944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis bool LeadingEmptyMacro; 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 37144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis NullStmt(SourceLocation L, bool LeadingEmptyMacro = false) 37244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), LeadingEmptyMacro(LeadingEmptyMacro) {} 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 374025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 375025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 376025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 378025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 379b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 38044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return LeadingEmptyMacro; } 38144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 382507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 39244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 39344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 39444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 4008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 401b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4038e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 4048e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 4058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 4068e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 4078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 408026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 409026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 410026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 411026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 413026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 4148e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 4151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 416025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 417025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 418025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 4198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 4208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 4218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 422025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 423025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 4268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 427025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 4318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 432e946fc833d8592aa2890bfd9839f1ad839b3d284Fariborz Jahanian 4338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 4348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 4358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 4368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 4418e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 4428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4448189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4458189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 4488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 4498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4504ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4534ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4548189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4558189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 4568189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4588189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 4598189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 4608189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 4631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 464b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 466cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 467025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 468cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 469025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 4751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 4778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 4788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 481c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 482c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 483103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 484c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 485c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 486c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 487103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 488d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 490c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 491c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 492c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 493c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 494c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 495c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 496d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 497d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 498b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 499b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 5001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 503c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 504c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 505c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 5063fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 5071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual Stmt* v_getSubStmt() = 0; 508c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 509c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 510c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 511d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 513d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 514b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 515dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 516dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 517dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor 5183fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 520dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 5211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 522d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 52324e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 524d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 525d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 526b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 527dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 528dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 529d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 530025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 531025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 532025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 533025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 534764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 535025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 536dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 537dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 538dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 539dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 540025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 541d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 542d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 543d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 544025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 5461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 54751b09f2c528c8460b5465c676173324e44176d62Devang Patel } 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 5491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 55051b09f2c528c8460b5465c676173324e44176d62Devang Patel } 55151b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 55320dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 55420dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 55520dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 5561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5583fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 5593fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 5603fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 56191ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 5623fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 565b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 571d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 572d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 573d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 576c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 577d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 5786c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 579dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5803fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 583dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 584dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 585025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 586025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 587025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 588025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 589d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 59051b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 591025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 592025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5936c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 594025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 595dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 596dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 600b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 606d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 607d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 608d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 614b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6161a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt, 6171a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis bool hasUnusedAttr = false) 6188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(LabelStmtClass), Label(label), SubStmt(substmt), IdentLoc(IL) { 6198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall LabelStmtBits.Used = false; 6208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall LabelStmtBits.HasUnusedAttr = hasUnusedAttr; 6218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 6221de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 6231de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 6241de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 6251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 6281de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setID(IdentifierInfo *II) { Label = II; } 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 634b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 635355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis /// \brief Whether this label was used. 6361a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis bool isUsed(bool CheckUnusedAttr = true) const { 6378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return LabelStmtBits.Used || 6388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall (CheckUnusedAttr && LabelStmtBits.HasUnusedAttr); 6391a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis } 6408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setUsed(bool U = true) { LabelStmtBits.Used = U; } 641355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis 6428e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool HasUnusedAttribute() const { return LabelStmtBits.HasUnusedAttr; } 6438e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setUnusedAttribute(bool U) { LabelStmtBits.HasUnusedAttr = U; } 6441a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis 6451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 6471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 6481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 66243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 6638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6648cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 665b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 666d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 66744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 66943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 67044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 67143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor 672025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 673025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 674025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6758cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 6768cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 6778cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 6788cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 6798cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 6808cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 6818cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 6828cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 68343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 68443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 685c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 687025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 6888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 6891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 6908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 691025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 6958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 696b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 697025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 698025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 699d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 700d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 701025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 703b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 704b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 705b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 706b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 707b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 7131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71435628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // Iterators over subexpressions. The iterators will include iterating 71535628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // over the initialization expression referenced by the condition variable. 7168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 72343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 7241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 725c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 726c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 7279dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 7281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 729559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 730559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 731559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 732559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 733559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 73543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 7361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 737025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 738025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 739025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 740d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 741d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 742d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 743d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 744d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 745d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 746d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 747d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 748d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 74943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 75043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 751d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 7528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 754c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 755c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 757025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 759025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 760c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 7611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 76343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 76443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 76543d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 766025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 767025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 768025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 769025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 770c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 7739dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 7741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 775c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 776c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 777c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 778c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 779c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 780559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 781559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 782559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 783559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 784559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 785559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 786559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 787559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 788559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 789559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 790559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 791559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 792559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 7959dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 8001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 81043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 812b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 81443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 81543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 817d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 818d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 819d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 8205656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 8215656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 8225656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 8235656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 8245656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 8255656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 8265656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 8275656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 82843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 82943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 8305656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 8318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 833d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 836d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 837d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 838d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 839d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 840b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 8411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 843b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 8481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 8578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 8588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 859b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 8609f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 861989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 8629f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 864989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 865989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 866989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 8678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 8688297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 8691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 87067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 87167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 87267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 8731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 87667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 87967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 88067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 88167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 88267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 8839f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 8849f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 885b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 886989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 887989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 888989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 891b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 8968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 90843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 9098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 910b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 9115831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 9125831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 91443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 91543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 91767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 91867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 91967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 921c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 92299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 92399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 92499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 92599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 92699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 92799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 92899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 92999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 93043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 93143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 932c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 9338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 9388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 941b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 94267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 94367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 94467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 94567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 94667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 94767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 94867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 9495831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 9505831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 9515831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 9525831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 95367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 956b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 9685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 9705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 971507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 97261f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 97561f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 9761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9771de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 9781de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 9791de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9811de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabel(LabelStmt *S) { Label = S; } 9821de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9831de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 9841de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 9851de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 9861de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 987b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 9881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 990507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 9911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1004ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 10055f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 10061060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 10095f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 10105f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 10115f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 10127d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 10137d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 10141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 10157d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 10161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1017ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1018ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 10195f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 10205f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 10211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 102295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 102395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 10247d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1025b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 102695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 102795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 102895c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall LabelStmt *getConstantTarget(); 102995c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const LabelStmt *getConstantTarget() const { 103095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 103195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 103295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 1033ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner virtual SourceRange getSourceRange() const { 1034ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1035ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 10361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 10411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1051507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1053507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1055d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1056d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1057d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1058d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1059d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1060d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 10621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1063507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1064861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 10651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 10691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1078507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1080507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1082025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1083025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1084025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1085025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1086025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1087025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1088507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1089b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 10941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1101c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1102c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1103c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1104c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1105c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1106c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1107c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1108c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 11111060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1112507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 11135077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 11145077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11165077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 111725a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 11185077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11195077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 11205077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 11215077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 11220de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11230de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 11240de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 11250de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11261060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 11271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 11280de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 11290de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11300de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 11310de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1132b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11335077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 11345077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 11355077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 11365077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 11375077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 11385077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 11395077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 11405077c3876beeaed32280af88244e8050078619a8Douglas Gregor 1141507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 11471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 11498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 11508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1153fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1154fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1155fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1156fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 11576a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1158b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1159dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 116039c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 11613b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 11621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1163b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1164b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1165966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1167966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1168966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1169966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1170966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1171966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1172c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1173fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1174c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1175966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1176ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1177db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1178db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1179b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1180cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1181c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1182966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1183cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1184cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1185cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1186cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1187cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1188cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 118939c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1190cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1191dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 11926ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 11933b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 11943b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1195dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1196458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1197458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1198458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1199458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1200cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1201cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1202458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1203458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1204458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1205458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1206458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1207458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1208458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1209458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1210458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1211458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1212458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1213458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1214458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1215458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1216458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1217458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1218458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1219458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1220458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1222458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1223458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 12241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1225458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1226458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1227458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1228458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1229458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1230458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1231458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1232458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1233458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1235458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1236458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1237458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1238458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1239458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1240458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1241458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 12421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1243458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1244458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1245458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1246458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1248fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1249fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 12501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1252b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1253b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1254b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1255ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1256ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1257ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1258ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1259ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1260ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getOutputName(unsigned i) const { 1261ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1262ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1263c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1264ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1265ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1266ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1267b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1268b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1269b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1270acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getOutputConstraint(unsigned i) const; 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1272b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1273ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1274ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1275b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1276b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1277b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1279ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 12801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1281b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1282b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1283b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1285b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1286b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1287b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1288b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1289b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1290b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 129285759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 129385759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 129485759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1296b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 12991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1300ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1301ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1302ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1304ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getInputName(unsigned i) const { 1305ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1306ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1307ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1308ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1309ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1310ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1311b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1312b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1313acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getInputConstraint(unsigned i) const; 13141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1315b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1316ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1317ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1318b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1319ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1320ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1322ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1324b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1325b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1326b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1327cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1328acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1329ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1330fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1331fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1332fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1333c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1334fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1335fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1336cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 133710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 13381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 133910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 134010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 134110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1342acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson int getNamedOperand(llvm::StringRef SymbolicName) const; 134310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1344966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1345b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1346d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1347cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1348fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1349fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1350fe795956194141c91ae555985c9b930595bff43fChris Lattner } 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1352fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1353fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 13541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1355ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 13561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1357ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1358ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 13591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1360ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1361966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1362ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1364ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1365966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1366ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1368ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1369966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1370ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1372ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1373966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1374d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1376ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 13771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1378ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1379ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1381d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1382966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1383d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1384d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1385966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1386d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1388d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1389966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1390d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1391d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1392966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1393d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Child iterators 13961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1397fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1398fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 1399fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 140078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1404