Stmt.h revision 654f6b2b53af2c950c62ef0161fa021648accbcb
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 1618e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1628e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 1638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 1648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1652bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 1662bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 1678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1688e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 169cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 170cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 171cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 172cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 173cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 174cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 175cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 1768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 17763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 17863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 17963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 1808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 1818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 1828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 1838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 184cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 1858e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1868e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 187d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 188d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 1928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 193f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 198f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 2008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 2011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 2038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 2048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 205e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 206fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 207fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 208e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 209fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 210e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 211025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 212025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 213025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 214025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 215025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 216025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2179c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 218025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 2198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 2208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 221025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 222025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 223025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 2268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 230c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 2318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 232b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 235b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 236b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 237b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 23863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 23963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 240311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 241311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2452024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2476000dace22f110d8768476989313e9d981d690d0Chris Lattner 2486000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2496000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2506000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 252e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2539668033ee4c25efd019e6c7e6dd96aa2e6364a46Argyrios Kyrtzidis void dump(llvm::raw_ostream &OS, SourceManager &SM) const; 2546000dace22f110d8768476989313e9d981d690d0Chris Lattner 2556000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2566000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 257e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2586000dace22f110d8768476989313e9d981d690d0Chris Lattner 2596000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2606000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 26148d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 263e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 26448d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 26548d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 26648d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 267e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 269e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 270d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 272d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 273d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 274d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 279d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 280d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 281d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 282d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 283d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 284d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 285d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 28663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 28763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 28863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 2899caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2909caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 2911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 29363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 2941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 29663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 29763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 29877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 30163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 30263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 30363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 30463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 30541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 30641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 30741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 30841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 30941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 31041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 31141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 31241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 31341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 31441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 3151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 31641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 31741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 3184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 31941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor bool Canonical); 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 3241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 3289653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 32981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3338ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3348ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 33784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 33884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3397e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 340fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3417e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 342fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3438ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3457e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 348e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 349e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 35084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 351b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 35281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 35384f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 35481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 35584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 35684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3578ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 35881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 35981c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36614f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 36763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 36863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 36963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 37063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3720632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3730632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3758ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3768ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3778ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3788ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 38544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 386b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis /// \brief If the null statement was preceded by an empty macro this is 387b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis /// its instantiation source location, e.g: 38844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 38944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 39044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 39144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 392b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis SourceLocation LeadingEmptyMacro; 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 394b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis NullStmt(SourceLocation L, SourceLocation LeadingEmptyMacro =SourceLocation()) 39544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), LeadingEmptyMacro(LeadingEmptyMacro) {} 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 397025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 398025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 399025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 401025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 402b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 403b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return LeadingEmptyMacro.isValid(); } 404b7d98d35ea723624345f06e5895ddce2e0388ef0Argyrios Kyrtzidis SourceLocation getLeadingEmptyMacroLoc() const { return LeadingEmptyMacro; } 40544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 40663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 41444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 41544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 41644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 4228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 423b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 4268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 4278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 4288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 429654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis assert(CompoundStmtBits.NumStmts == NumStmts && 430654f6b2b53af2c950c62ef0161fa021648accbcbArgyrios Kyrtzidis "NumStmts doesn't fit in bits of CompoundStmtBits.NumStmts!"); 4318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 432026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 433026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 434026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 435026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 437026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 4388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 440025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 441025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 442025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 4438e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 4448e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 4458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 446025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 447025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4498e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 4508e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 451025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4538189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 4558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 456e946fc833d8592aa2890bfd9839f1ad839b3d284Fariborz Jahanian 4578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 4588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 4598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 4608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4628189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4638189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 4658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 4668189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4678189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4688189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4698189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4708189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4718189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 4728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 4738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4744ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4758189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4774ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4798189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 4808189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4828189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 4838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 4848189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 4871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 488b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 490cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 491025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 492cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 493025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 4941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 4991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 50163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 50263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 50363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 506c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 507c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 508103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 509c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 510c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 511c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 512103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 513d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 5141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 515c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 516c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 517c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 518c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 519c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 520c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 521d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 52263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 523702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 524702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 525702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 526b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 52763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(); } 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 53163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 532c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 533c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 534c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 535c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 536c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 5370a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 539d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 540b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 541dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 542dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 544dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 5451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 546d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 54724e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 548d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 549d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 550b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 551dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 552dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 553d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 554025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 555025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 556025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 557025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 558764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 559025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 560dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 561dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 562dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 563dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 564025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 565d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 566d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 567d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 568025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 57151b09f2c528c8460b5465c676173324e44176d62Devang Patel } 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 57451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 57551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 57720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 57820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 57920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 5833fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 5843fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 58591ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 5863fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 589b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 595d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 59663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 59763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 59863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 601c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 602d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 6036c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 604dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 607dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 608dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 609025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 610025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 611025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 612025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 613d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 61451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 615025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 616025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6176c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 618025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 619dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 620dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 6215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 62263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 624b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 6291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 630d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 63163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 634ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner 635ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 636ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 637ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 6385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 639ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 641b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 643ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 644ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 6458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 6461de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 6471de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 6481de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 651ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 652ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 6555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 658b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 65963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 6601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 66263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 66363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 67443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 6758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6768cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 677b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 678d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 67944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 68143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 68244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 68343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor 684025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 685025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 686025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6878cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 6888cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 6898cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 6908cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 6918cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 6928cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 6938cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 6948cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 69543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 69643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 697c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 698d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 699d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 700d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 701d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 702d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 703d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 7048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 705025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 7088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 709025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 7138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 714b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 715025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 716025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 717d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 718d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 719025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 72063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 721b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 722b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 723b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 724b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 725b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 72863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 72963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 73063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 73163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 73263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 74243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 744c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 745c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 7469dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 748559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 749559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 750559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 751559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 752559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 75443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 756025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 757025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 758025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 759d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 760d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 761d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 762d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 763d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 764d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 765d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 766d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 767d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 76843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 76943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 770d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 771d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 772d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 773d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 774d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 775d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 776d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 7778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 779c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 780c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 782025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 784025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 785c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 7861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 78743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 78843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 78943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 79043d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 791025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 792025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 793025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 794025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 795c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 7989dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 800c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 801c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 802c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 803c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 804c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 805559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 806559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 807559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 808559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 809559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 810559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 811559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 812559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 813559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 814559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 815559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 816559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 817559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 81863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 8191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 8209dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 82163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 82263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 82363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 82463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 82563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 83643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 838b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 84043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 84143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 8421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 843d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 844d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 845d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 8465656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 8475656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 8485656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 8495656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 8505656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 8515656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 8525656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 8535656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 85443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 85543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 8565656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 857d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 858d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 859d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 860d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 861d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 862d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 8638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 865d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 868d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 869d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 870d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 871d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 872b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 87363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 8741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 875b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 88263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 88363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 88463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 890c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 8918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 892b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 8939f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 894989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 8959f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 897989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 898989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 899989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 9008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 9018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 9021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 90367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 90467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 90567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 9061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 90967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 9108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 91267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 91367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 91467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 91567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 9169f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 9179f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 918b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 919989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 920989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 921989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 92263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 924b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 9298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 93163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 93263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 93363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 9395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 9405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 94243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 9438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 944b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 9455831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 9465831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 94843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 94943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 9501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 95167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 95267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 95367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 955c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 95699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 95799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 95899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 95999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 96099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 96199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 96299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 96399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 96443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 96543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 966c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 967d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 968d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 969d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 970d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 971d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 972d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 9738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 9788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 981b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 98267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 98367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 98467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 98567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 98667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 98767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 98867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 9895831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 9905831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 9915831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 9925831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 99367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 99463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 996b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 100363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 100463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 100563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1011ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1012507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 101361f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1015ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 101661f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 10171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10181de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 10191de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 10201de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1021ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1022ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 10231de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 10241de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 10251de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 10261de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 10271de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1028b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 102963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 10301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1031507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 10321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 10345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 10361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 103863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1044ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 10455f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 10461060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 10495f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 10505f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 10515f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 10527d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 10537d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 10557d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 10561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1057ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1058ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 10595f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 10605f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 10611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 106295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 106395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 10647d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1065b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 106695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 106795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1068ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1069ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 107095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 107195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 107295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 107363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1074ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1075ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 108363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1090507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1092507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 10931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1094d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1095d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1096d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1097d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1098d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1099d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 110063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 11011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1102507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1103861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 11041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 11081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 111063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1116507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1118507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1120025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1121025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1122025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1123025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1124025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1125025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 112663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1127b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 113463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1138c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1139c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1140c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1141c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1142c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1143c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1144c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1145c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 11481060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1149507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 11505077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 11515077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11535077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 115425a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 11555077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11565077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 11575077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 11585077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 11590de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11600de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 11610de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 11620de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11631060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 11641060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 11650de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 11660de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11670de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 11680de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1169b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11705077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 11715077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 11725077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 11735077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 11745077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 11755077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 11765077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 11775077c3876beeaed32280af88244e8050078619a8Douglas Gregor 117863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const; 11791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 11841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 118663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 118763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 118863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 118963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1192fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1193fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1194fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1195fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 11966a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1197b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1198dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 119939c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 12003b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1202b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1203b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1204966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 12051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1206966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1207966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1208966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1209966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1210966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1211c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1212fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1213c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1214966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1215ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1216db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1217db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1218b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1219cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1220c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1221966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1222cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1223cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1224cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1225cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1226cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1227cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 122839c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1229cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1230dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 12316ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 12323b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 12333b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1234dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1235458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1236458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1237458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1238458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1239cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1240cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1241458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1242458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1243458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1244458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1245458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1246458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1247458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1248458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1249458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1250458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1251458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1252458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1253458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1254458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1255458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1256458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1257458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1258458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1259458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1261458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1262458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 12631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1264458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1265458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1266458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1267458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1268458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1269458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1270458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1271458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1272458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1274458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1275458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1276458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1277458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1278458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1279458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1280458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 12811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1282458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1283458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1284458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1285458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 12861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1287fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1288fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1291b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1292b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1293b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1294ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1295ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1296ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1297ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1298ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1299ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getOutputName(unsigned i) const { 1300ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1301ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1302c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1303ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1304ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1305ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1306b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1307b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1308b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1309acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getOutputConstraint(unsigned i) const; 13101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1311b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1312ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1313ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1314b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1315b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1316b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1318ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 13191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1320b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1321b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1322b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1324b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1325b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1326b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1327b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1328b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1329b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 133185759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 133285759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 133385759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1335b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 13361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 13381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1339ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1340ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1341ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1343ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getInputName(unsigned i) const { 1344ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1345ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1346ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1347ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1348ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1349ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1350b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1351b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1352acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getInputConstraint(unsigned i) const; 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1354b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1355ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1356ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1357b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1358ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1359ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1361ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1362935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1363935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner 1364b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1365b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1366b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1367cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1368acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1369ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1370fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1371fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1372fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1373c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1374fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1375fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1376cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 137710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 13781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 137910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 138010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 138110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1382acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson int getNamedOperand(llvm::StringRef SymbolicName) const; 138310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1384966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1385b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1386d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1387cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 138863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall SourceRange getSourceRange() const { 1389fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1390fe795956194141c91ae555985c9b930595bff43fChris Lattner } 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1392fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1393fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 13941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1395ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 13961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1397ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1398ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 13991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1400ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1401966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1402ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1404ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1405966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1406ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1408ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1409966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1410ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 14111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1412ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1413966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1414d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1416ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 14171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1418ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1419ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 14201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1421d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1422966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1423d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1424d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1425966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1426d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1428d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1429966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1430d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1431d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1432966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1433d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 143563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 143663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 143763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 1438fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 143978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 144028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 144128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 144228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 144328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 144428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 144528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 144628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 144728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 144828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 144928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 145028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 145128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 145228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 145328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 145428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 145528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 145628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 145728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 145828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 145928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 146028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 146128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 146228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *getFilterExpr() const { return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); } 146328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Children[BLOCK]); } 146428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 146528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 146628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 146728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 146828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 146928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 147028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 147128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 147228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHExceptStmt *) { return true; } 147428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 147628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 147728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 147828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 147928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 148028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 148128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 148228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 148328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 148428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 148528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 148628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 148728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 148828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 148928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 149028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 149128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 149228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 149428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 149528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 149728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 149828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 149928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 150028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 150128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 150328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 150428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 150528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHFinallyStmt *) { return true; } 150728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 150828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 150928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 151128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 151228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 151328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 151428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 151628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 151728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 151828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 151928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 152028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 152128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 152328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 152428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 152528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 152628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 152728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 152828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 152928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceRange getSourceRange() const { 153028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 153128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 153228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 153428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 153528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 153628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 153728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt* getTryBlock() const { return llvm::cast<CompoundStmt>(Children[TRY]); } 153828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 153928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 154128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 154228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 154328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 154528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 154628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 154728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 154828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 154928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 155028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 155128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(SEHTryStmt *) { return true; } 155328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 155428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 155528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 15565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 15575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1559