Stmt.h revision cb66cff8fdf641f57f85dedb515a5f3240e3a9bb
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Stmt interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_STMT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_STMT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff#include "llvm/Support/Casting.h" 18a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek#include "llvm/Support/raw_ostream.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 20d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 219caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 228ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 256e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 267573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 33e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 367ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 374b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 390c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 406a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 416c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 721705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 741705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 771705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 781705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 1007381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1019a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1027381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1039a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1047381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1054bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1068e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 138d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 139bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 140bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 141bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 142bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 143bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 144bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 145bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 149bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 150bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1528e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 154f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 157d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 159d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor enum { NumExprBits = 15 }; 1608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 161cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 162cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 163cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 164cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 165cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 166cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 167cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasExplicitTemplateArgs : 1; 168cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 169cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 1708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 1728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 1738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1742bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 1752bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 1768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 178cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 179cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 180cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 181cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 182cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 183cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 184cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 1858e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 18663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 18763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 18863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 1898e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 1908e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 1918e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 192cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 1938e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 194cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 1958e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1968e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 197d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 198d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 2008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 2011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 2028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 203f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 2058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 208f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 2098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 2108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 2138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 2148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 215e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 216fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 217fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 218e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 219fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 220e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 221025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 222025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 223025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 224025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 225025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 226025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2279c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 228025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 2298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 2308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 231025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 232025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 233025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 2368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 240c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 2418e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 242b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 245b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 246b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 247b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 24863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 24963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 250311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 251311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2552024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2576000dace22f110d8768476989313e9d981d690d0Chris Lattner 2586000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2596000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2606000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 262e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2639668033ee4c25efd019e6c7e6dd96aa2e6364a46Argyrios Kyrtzidis void dump(llvm::raw_ostream &OS, SourceManager &SM) const; 2646000dace22f110d8768476989313e9d981d690d0Chris Lattner 2656000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2666000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 267e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2686000dace22f110d8768476989313e9d981d690d0Chris Lattner 2696000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2706000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 27148d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 273e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 27448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 27548d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 27648d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 277e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 279e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 280d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 282d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 283d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 284d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 290d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 291d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 292d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 293d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 294d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 295d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 29663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 29763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 29863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 2999caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 3009caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 3011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 30363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 30663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 30763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 30877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 31163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 31263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 31363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 31463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 31541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 31641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 31741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 31841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 31941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 32041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 32141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 32241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 32341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 32441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 32641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 32741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 3284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 32941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor bool Canonical); 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 3341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 3389653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 33981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3438ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3448ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 34784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 34884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3497e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 350fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3517e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 352fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3538ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3557e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 358e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 359e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 36084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 361b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 36281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 36384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 36481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 36584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 36684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3678ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 36881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 36981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37614f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 37763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 37863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 37963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 38063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3820632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3830632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3858ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3868ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3878ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3888ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 39544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 396b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis /// \brief If the null statement was preceded by an empty macro this is 397b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis /// its instantiation source location, e.g: 39844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 39944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 40044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 40144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 402b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis SourceLocation LeadingEmptyMacro; 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 404b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis NullStmt(SourceLocation L, SourceLocation LeadingEmptyMacro =SourceLocation()) 40544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), LeadingEmptyMacro(LeadingEmptyMacro) {} 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 407025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 408025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 409025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 411025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 412b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 413b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return LeadingEmptyMacro.isValid(); } 414b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis SourceLocation getLeadingEmptyMacroLoc() const { return LeadingEmptyMacro; } 41544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 41663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 4171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 4221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 42444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 42544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 42644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 4328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 433b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 4368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 4378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 4388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 439654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CompoundStmtBits.NumStmts == NumStmts && 440654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!"); 4418e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 442026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 443026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 444026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 445026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 447026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 4488e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 4491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 450025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 451025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 452025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 4538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 4548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 4558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 456025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 457025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 4581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 4608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 461025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4628189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4638189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 4658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 466e946fc833d8592aa2890bfd9839f1ad839b3d284Fariborz Jahanian 4678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 4688e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 4698e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 4708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 4758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 4768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4798189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4808189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4818189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 4828189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 4838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4844ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4868189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4874ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4888189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 4908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 4938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 4948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 4971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 498b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 500cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 501025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 502cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 503025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 5041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 51163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 51263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 51363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 516c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 517c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 518103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 519c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 520c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 521c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 522103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 523d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 5241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 525c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 526c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 527c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 528c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 529c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 530c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 531d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 53263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 533702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 534702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 535702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 536b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 53763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(); } 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 54163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 542c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 543c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 544c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 545c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 546c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 5470a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 549d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 550b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 551dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 552dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 554dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 5551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 556d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 55724e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 558d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 559d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 560b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 561dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 562dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 563d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 564025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 565025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 566025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 567025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 568764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 569025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 570dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 571dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 572dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 573dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 574025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 575d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 576d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 577d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 578025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 58151b09f2c528c8460b5465c676173324e44176d62Devang Patel } 5821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 58451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 58551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 58720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 58820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 58920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 5901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 59263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 5933fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 5943fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 59591ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 5963fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 5971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 599b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 605d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 60663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 60763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 60863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 611c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 612d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 6136c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 614dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 617dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 618dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 619025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 620025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 621025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 622025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 623d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 62451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 625025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 626025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6276c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 628025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 629dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 630dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 63263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 634b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 6375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 640d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 64163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 644ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner 645ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 646ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 647ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 649ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 651b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 653ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 654ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 6558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 6561de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 6571de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 6581de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 661ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 662ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 6635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 668b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 66963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 67263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 67363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 68443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 6858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6868cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 687b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 688d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 68944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 69143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 69244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 69343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor 694025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 695025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 696025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6978cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 6988cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 6998cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 7008cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 7018cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 7028cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 7038cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 7048cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 70543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 70643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 707c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 708d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 709d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 710d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 711d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 712d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 713d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 7148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 715025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 7188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 719025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 7238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 724b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 725025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 726025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 727d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 728d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 729025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 73063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 731b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 732b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 733b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 734b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 735b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 73863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 73963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 74063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 74163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 74263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 75243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 754c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 755c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 7569dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 7571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 758559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 759559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 760559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 761559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 762559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 76443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 7651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 766025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 767025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 768025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 769d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 770d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 771d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 772d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 773d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 774d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 775d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 776d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 777d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 77843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 77943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 780d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 781d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 782d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 783d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 784d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 785d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 786d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 7878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 789c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 790c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 792025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 794025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 795c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 79843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 79943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 80043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 801025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 802025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 803025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 804025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 805c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 8089dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 8091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 810c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 811c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 812c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 813c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 814c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 815559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 816559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 817559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 818559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 819559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 820559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 821559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 822559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 823559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 824559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 825559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 826559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 827559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 82863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 8291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 8309dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 83163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 83263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 83363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 83463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 83563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 8405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 84643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 848b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 85043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 85143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 853d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 854d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 855d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 8565656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 8575656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 8585656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 8595656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 8605656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 8615656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 8625656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 8635656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 86443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 86543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 8665656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 867d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 868d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 869d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 870d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 871d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 872d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 8738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 875d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 878d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 879d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 880d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 881d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 882b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 88363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 8841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 885b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 8901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 89263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 89363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 89463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 900c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 9018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 902b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 9039f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 904989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 9059f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 907989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 908989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 909989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 9108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 9118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 9121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 91367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 91467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 91567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 91967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 92267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 92367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 92467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 92567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 9269f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 9279f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 928b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 929989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 930989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 931989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 93263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 934b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 9398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 94163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 94263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 94363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 95243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 9538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 954b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 9555831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 9565831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 95843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 95943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 9601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 96167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 96267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 96367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 965c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 96699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 96799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 96899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 96999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 97099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 97199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 97299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 97399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 97443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 97543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 976c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 977d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 978d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 979d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 980d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 981d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 982d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 9838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 9888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 991b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 99267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 99367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 99467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 99567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 99667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 99767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 99867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 9995831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 10005831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 10015831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 10025831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 100367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 100463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1006b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 101363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 101463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 101563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1021ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1022507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 102361f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1025ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 102661f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 10271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10281de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 10291de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 10301de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1031ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1032ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 10331de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 10341de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 10351de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 10361de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 10371de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1038b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 103963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1041507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 10421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 10445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 10461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 104863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1054ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 10555f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 10561060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 10575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 10595f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 10605f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 10615f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 10627d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 10637d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 10657d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1067ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1068ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 10695f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 10705f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 10711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 107295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 107395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 10747d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1075b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 107695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 107795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1078ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1079ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 108095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 108195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 108295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 108363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1084ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1085ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 10911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 109363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1100507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1102507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 11031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1104d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1105d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1106d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1107d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1108d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1109d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 111063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1112507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1113861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 11141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 11181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 112063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1126507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1128507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 11291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1130025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1131025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1132025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1133025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1134025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1135025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 113663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1137b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 114463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1148c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1149c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1150c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1151c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1152c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1153c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1154c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1155c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 11581060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1159507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 11605077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 11615077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11635077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 116425a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 11655077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11665077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 11675077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 11685077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 11690de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11700de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 11710de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 11720de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11731060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 11741060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 11750de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 11760de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11770de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 11780de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1179b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11805077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 11815077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 11825077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 11835077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 11845077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 11855077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 11865077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 11875077c3876beeaed32280af88244e8050078619a8Douglas Gregor 118863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 11891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 11925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 11941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 119663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 119763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 119863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 119963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1202fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1203fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1204fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1205fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 12066a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1207b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1208dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 120939c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 12103b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 12111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1212b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1213b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1214966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1216966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1217966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1218966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1219966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1220966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1221c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1222fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1223c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1224966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1225ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1226db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1227db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1228b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1229cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1230c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1231966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1232cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1233cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1234cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1235cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1236cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1237cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 123839c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1239cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1240dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 12416ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 12423b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 12433b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1244dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1245458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1246458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1247458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1248458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1249cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1250cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1251458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1252458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1253458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1254458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1255458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1256458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1257458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1258458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1259458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1260458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1261458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1262458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1263458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1264458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1265458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1266458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1267458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1268458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1269458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1271458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1272458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1274458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1275458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1276458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1277458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1278458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1279458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1280458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1281458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1282458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1284458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1285458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1286458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1287458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1288458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1289458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1290458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1292458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1293458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1294458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1295458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 12961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1297fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1298fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 12991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1301b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1302b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1303b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1304ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1305ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1306ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1307ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1308ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1309ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getOutputName(unsigned i) const { 1310ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1311ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1312c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1313ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1314ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1315ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1316b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1317b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1318b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1319acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getOutputConstraint(unsigned i) const; 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1321b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1322ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1323ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1324b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1325b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1326b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1328ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1330b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1331b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1332b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1334b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1335b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1336b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1337b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1338b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1339b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 134185759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 134285759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 134385759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 13441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1345b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 13461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 13481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1349ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1350ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1351ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1353ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getInputName(unsigned i) const { 1354ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1355ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1356ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1357ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1358ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1359ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1360b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1361b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1362acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getInputConstraint(unsigned i) const; 13631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1364b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1365ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1366ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1367b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1368ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1369ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1371ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1372935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1373935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner 1374b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1375b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1376b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1377cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1378acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1379ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1380fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1381fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1382fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1383c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1384fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1385fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1386cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 138710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 13881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 138910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 139010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 139110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1392acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson int getNamedOperand(llvm::StringRef SymbolicName) const; 139310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1394966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1395b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1396d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1397cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 139863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1399fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1400fe795956194141c91ae555985c9b930595bff43fChris Lattner } 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1402fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1403fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1405ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 14061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1407ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1408ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 14091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1410ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1411966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1412ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1414ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1415966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1416ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1418ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1419966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1420ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1422ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1423966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1424d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1426ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1428ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1429ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 14301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1431d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1432966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1433d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1434d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1435966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1436d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1438d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1439966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1440d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1441d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1442966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1443d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 144563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 144663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 144763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1448fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 144978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 145028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 145128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 145228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 145328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 145428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 145528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 145628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 145728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 145828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 145928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 146028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 146128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 146228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 146328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 146428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 146528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 146628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 146728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 146828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 146928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 147028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 147128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *getFilterExpr() const { return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); } 147328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Children[BLOCK]); } 147428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 147628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 147728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 147828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 148028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 148128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 148228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 148328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 148428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 148528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 148628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 148728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 148828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 148928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 149028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 149228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 149328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 149528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 149628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 149728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 149828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 150028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 150128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 150228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 150428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 150528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 150728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 150928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 151028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 151128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 151328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 151428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 151528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 151728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 151928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 152128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 152228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 152328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 152428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 152628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 152828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 152928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 153028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 153128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 153328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 153428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 153528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 153628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 153728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 153828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 154028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 154128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 154228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 154428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 154528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 154728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt* getTryBlock() const { return llvm::cast<CompoundStmt>(Children[TRY]); } 154828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 154928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 155128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 155228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 155328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 155528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 155628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 155728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 155928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 156028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 156128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 156328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 156428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 156528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 15675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1569