Stmt.h revision bebbe0d9b7568ce43a464286bee49429489ef483
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 LabelStmtBitfields { 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class LabelStmt; 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned Used : 1; 1388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned HasUnusedAttr : 1; 1398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1418e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1428e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1438e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1448e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 149bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 150bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 151bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 152bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 153bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 154bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 155bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 156bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 157bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 161f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1628e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 164d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 166d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor enum { NumExprBits = 15 }; 1678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1688e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 1698e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 1708e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 1718e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1722bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 1732bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 1748e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1758e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1768e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 1778e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 1788e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 1798e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall LabelStmtBitfields LabelStmtBits; 1808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 1818e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 1828e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1838e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 184d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 185d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1868189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1878189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 1898189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 190f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 195f4e689b8528770001f4792f1f4ebdfb09d859e3dDouglas Gregor unsigned alignment = 8) throw() { 1968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1978189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 2008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 2018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 202e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 203fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 204fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 205e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 206fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 207e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 208025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 209025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 210025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 211025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 212025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 213025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2149c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 215025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 2168e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 2178e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 218025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 219025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 220025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 2238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 2271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 228c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt StmtClass getStmtClass() const { 2298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 230b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 2321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 233b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 234b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 235b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 236b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 237311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 238311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 2422024f4d4b0d57616f79ea742fa782d633d414462Kovarththanan Rajaratnam static bool CollectingStats(bool Enable = false); 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 2446000dace22f110d8768476989313e9d981d690d0Chris Lattner 2456000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 2466000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 2476000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 249e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 2509668033ee4c25efd019e6c7e6dd96aa2e6364a46Argyrios Kyrtzidis void dump(llvm::raw_ostream &OS, SourceManager &SM) const; 2516000dace22f110d8768476989313e9d981d690d0Chris Lattner 2526000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 2536000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 254e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 2556000dace22f110d8768476989313e9d981d690d0Chris Lattner 2566000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 2576000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 25848d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman void dumpPretty(ASTContext& Context) const; 2591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper *Helper, 260e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 26148d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman unsigned Indentation = 0) const { 26248d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman printPretty(OS, *(ASTContext*)0, Helper, Policy, Indentation); 26348d14a222276fad5279e994d1a062f36ae6fcbceEli Friedman } 264e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void printPretty(llvm::raw_ostream &OS, ASTContext &Context, 2651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump PrinterHelper *Helper, 266e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 267d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 269d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 270d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 271d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 2721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 2741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *) { return true; } 2751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 276d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 277d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 278d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 279d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 280d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 281d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 282d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 28377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 28477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 28577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2869caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2879caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 2911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2939caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 29477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2979caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 29877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 29941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 30041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 30141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 30241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief ID once the profiling operation is complete, will contain 30341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 30441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 30541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Context the AST context in which the statement resides 30641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 30741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Canonical whether the profile should be based on the canonical 30841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 31041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 31141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 31241ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 31341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor bool Canonical); 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 3229653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 32381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 3241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 3278ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 3288ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 3291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 33184f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 33284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3337e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 334fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 3357e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 336fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 3378ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3397e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 3411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 343e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 34484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 345b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 34681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 34784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 34881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 34984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 35084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 3518ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 35281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 35381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36014f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 3618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3640632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 3650632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 3661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3678ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 3688ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 3698ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 3708ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 37744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 37844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// \brief Whether the null statement was preceded by an empty macro, e.g: 37944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 38044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 38144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 38244aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 38344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis bool LeadingEmptyMacro; 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 38544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis NullStmt(SourceLocation L, bool LeadingEmptyMacro = false) 38644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), LeadingEmptyMacro(LeadingEmptyMacro) {} 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 388025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 389025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 390025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 392025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 393b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 39444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return LeadingEmptyMacro; } 39544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 396507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 3971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 3991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 4021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 4048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 4058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 40644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 40744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 40844aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 4148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 415b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4178e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned NumStmts, 4188e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall SourceLocation LB, SourceLocation RB) 4198e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass), LBracLoc(LB), RBracLoc(RB) { 4208e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = NumStmts; 4218e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 422026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 423026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 424026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 425026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 427026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 4288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall memcpy(Body, StmtStart, NumStmts * sizeof(*Body)); 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 430025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 431025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 432025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 4338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 4348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 4358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 436025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 437025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 4381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 4408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 441025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 4438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 4448e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 4458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 446e946fc833d8592aa2890bfd9839f1ad839b3d284Fariborz Jahanian 4478e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 4488e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 4498e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 4508e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 4538189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 4548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 4558e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 4568189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 4578189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 4588189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 4598189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 4608189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4618189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 4628189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 4638189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4644ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4658189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 4668189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 4674ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 4688189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 4698189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 4708189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 4738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 4748189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 4751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 478b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 480cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 481025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 482cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 483025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 4918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 4928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 4935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 495c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 496c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 497103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 498c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 499c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 500c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 501103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 502d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 5031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 504c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 505c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 506c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 507c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 508c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 509c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 510d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 511d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 512b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 513b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 5141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 517c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 518c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 519c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 5203fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 5211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual Stmt* v_getSubStmt() = 0; 522c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 523c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 524c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 525d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 5261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 527d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 528b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 529dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 530dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 531dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor 5323fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 534dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 5351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 536d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 53724e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 538d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 539d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 540b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 541dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 542dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 543d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 544025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 545025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 546025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 547025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 548764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 549025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 550dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 551dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 552dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 553dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 554025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 555d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 556d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 557d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 558025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 5601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 56151b09f2c528c8460b5465c676173324e44176d62Devang Patel } 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 56451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 56551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 56720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 56820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 56920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 5701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5723fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 5733fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 5743fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 57591ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 5763fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 5771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 579b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 585d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 586d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 587d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 590c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 591d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 5926c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 593dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 5943fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 597dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 598dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 599025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 600025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 601025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 602025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 603d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 60451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 605025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 606025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6076c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 608025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 609dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 610dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 614b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 620d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 621d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 622d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 6235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 628b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6301a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt, 6311a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis bool hasUnusedAttr = false) 6328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(LabelStmtClass), Label(label), SubStmt(substmt), IdentLoc(IL) { 6338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall LabelStmtBits.Used = false; 6348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall LabelStmtBits.HasUnusedAttr = hasUnusedAttr; 6358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 6361de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 6371de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 6381de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 6421de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setID(IdentifierInfo *II) { Label = II; } 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 648b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 649355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis /// \brief Whether this label was used. 6501a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis bool isUsed(bool CheckUnusedAttr = true) const { 6518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return LabelStmtBits.Used || 6528e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall (CheckUnusedAttr && LabelStmtBits.HasUnusedAttr); 6531a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis } 6548e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setUsed(bool U = true) { LabelStmtBits.Used = U; } 655355a9fe26a6dec89680ddf713dd5bc7a671b298aArgyrios Kyrtzidis 6568e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool HasUnusedAttribute() const { return LabelStmtBits.HasUnusedAttr; } 6578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setUnusedAttribute(bool U) { LabelStmtBits.HasUnusedAttr = U; } 6581a18600b85aaa691122983dd8dcf4225cfc9ef68Argyrios Kyrtzidis 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 6601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 6621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6688297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 67643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 6778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 6788cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 679b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 680d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 68144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 68343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 68444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 68543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor 686025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 687025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 688025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6898cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 6908cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 6918cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 6928cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 6938cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 6948cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 6958cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 6968cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 69743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 69843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 699c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 7008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 701025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 7031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 7048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 705025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 7098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 710b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 711025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 712025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 713d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 714d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 715025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 717b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 718b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 719b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 720b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 721b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 7271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72835628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // Iterators over subexpressions. The iterators will include iterating 72935628d1f17c817f8c240208db7ba490e3109981bTed Kremenek // over the initialization expression referenced by the condition variable. 7308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 73743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 7381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 739c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 740c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 7419dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 743559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 744559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 745559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 746559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 747559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 74943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 751025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 752025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 753025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 754d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 755d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 756d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 757d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 758d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 759d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 760d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 761d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 762d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 76343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 76443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 765d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 7668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 768c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 769c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 771025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 7728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 773025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 774c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 7751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77643d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 77743d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 77843d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 77943d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 780025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 781025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 782025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 783025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 784c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 7851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 7861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 7879dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 789c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 790c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 791c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 792c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 793c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 794559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 795559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 796559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 797559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 798559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 799559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 800559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 801559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 802559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 803559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 804559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 805559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 806559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 8099dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 8101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 8141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 82443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 826b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 82843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 82943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 8301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 831d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 832d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 833d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 8345656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 8355656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 8365656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 8375656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 8385656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 8395656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 8405656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 8415656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 84243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 84343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 8445656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 8458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 847d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 850d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 851d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 852d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 853d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 854b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 8551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 8561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 857b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 8621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 8718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 8728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 873b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 8749f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 875989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 8769f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 878989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 879989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 880989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 8818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 8828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 8831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 88467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 88567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 88667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 8871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 89067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 8918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 8921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 89367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 89467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 89567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 89667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 8979f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 8989f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 899b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 900989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 901989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 902989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 905b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 9108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 9195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 9205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 92243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 9238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 924b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 9255831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 9265831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 92843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 92943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 9301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 93167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 93267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 93367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 935c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 93699e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 93799e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 93899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 93999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 94099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 94199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 94299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 94399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 94443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 94543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 946c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 9478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 9488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 9508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 9528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 9548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 955b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 95667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 95767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 95867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 95967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 96067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 96167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 96267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 9635831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 9645831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 9655831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 9665831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 96767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 9681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 9691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 970b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 9711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 9751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 985507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 98661f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 98961f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 9901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9911de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 9921de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 9931de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9951de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabel(LabelStmt *S) { Label = S; } 9961de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 9971de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 9981de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 9991de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 10001de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1001b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 10021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1004507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 10051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 10091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1018ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 10195f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 10201060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 10235f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 10245f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 10255f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 10267d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 10277d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 10297d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 10301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1031ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1032ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 10335f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 10345f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 10351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 103695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 103795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 10387d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1039b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 104095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 104195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 104295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall LabelStmt *getConstantTarget(); 104395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const LabelStmt *getConstantTarget() const { 104495c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 104595c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 104695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 1047ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner virtual SourceRange getSourceRange() const { 1048ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1049ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 10501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 10551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1065507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1067507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 10681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1069d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1070d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1071d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1072d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1073d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1074d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual SourceRange getSourceRange() const { 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1077507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1078861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 10858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 10868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1092507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1094507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 10951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1096025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1097025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1098025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1099025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1100025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1101025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1102507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 1103b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 11081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 11108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 11118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1115c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1116c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1117c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1118c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1119c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1120c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1121c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1122c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 11251060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1126507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 11275077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 11285077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11305077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 113125a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 11325077c3876beeaed32280af88244e8050078619a8Douglas Gregor 11335077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 11345077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 11355077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 11360de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11370de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 11380de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 11390de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11401060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 11411060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 11420de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 11430de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 11440de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 11450de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1146b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 11475077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 11485077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 11495077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 11505077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 11515077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 11525077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 11535077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 11545077c3876beeaed32280af88244e8050078619a8Douglas Gregor 1155507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 11611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 11638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 11648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 11655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1167fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 1168fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1169fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 1170fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 11716a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1172b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1173dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 117439c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 11753b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool MSAsm; 11761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1177b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 1178b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 1179966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned NumClobbers; 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1181966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1182966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson IdentifierInfo **Names; 1183966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1184966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Stmt **Exprs; 1185966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1186c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1187fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1188c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt AsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, 1189966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson bool msasm, unsigned numoutputs, unsigned numinputs, 1190ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **names, StringLiteral **constraints, 1191db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 1192db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 1193b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1194cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1195c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty), 1196966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson Names(0), Constraints(0), Exprs(0), Clobbers(0) { } 1197cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1198cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1199cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1200cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1201cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1202cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 120339c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1204cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1205dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 12066ffe643322949dd776285a6df60d3578f3918be4Chris Lattner void setSimple(bool V) { IsSimple = V; } 12073b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump bool isMSAsm() const { return MSAsm; } 12083b11fd3b52e7b88233c602407c151d07cb093e75Mike Stump void setMSAsm(bool V) { MSAsm = V; } 1209dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1210458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1211458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1212458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1213458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1214cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1215cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1216458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1217458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1218458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1219458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1220458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1221458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1222458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1223458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1224458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1225458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1226458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1227458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1228458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1229458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1230458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1231458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1232458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1233458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1234458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1236458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1237458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1239458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1240458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1241458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1242458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1243458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1244458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1245458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1246458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1247458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 12481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1249458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1250458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1251458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1252458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1253458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1254458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1255458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 12561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1257458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1258458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1259458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1260458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 12611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1262fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1263fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 12641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1266b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1267b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1268b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1269ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1270ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getOutputIdentifier(unsigned i) const { 1271ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1272ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1273ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1274ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getOutputName(unsigned i) const { 1275ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getOutputIdentifier(i)) 1276ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1277c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 1278ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1279ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1280ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1281b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1282b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1283b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1284acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getOutputConstraint(unsigned i) const; 12851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1286b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1287ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1288ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1289b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1290b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1291b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1293ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 12941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1295b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1296b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1297b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1299b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1300b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1301b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1302b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1303b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1304b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 13051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 130685759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 130785759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 130885759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 13091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1310b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 13111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned getNumInputs() const { return NumInputs; } 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1314ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo *getInputIdentifier(unsigned i) const { 1315ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1316ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1318ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson llvm::StringRef getInputName(unsigned i) const { 1319ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson if (IdentifierInfo *II = getInputIdentifier(i)) 1320ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return II->getName(); 1321ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1322ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson return llvm::StringRef(); 1323ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson } 1324ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson 1325b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1326b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1327acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson llvm::StringRef getInputConstraint(unsigned i) const; 13281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1329b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1330ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1331ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1332b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1333ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1334ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1336ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1338b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1339b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1340b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1341cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1342acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1343ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1344fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1345fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1346fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1347c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumInputs, 1348fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1349fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1350cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 135110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 13521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 135310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 135410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 135510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1356acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson int getNamedOperand(llvm::StringRef SymbolicName) const; 135710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1358966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson unsigned getNumClobbers() const { return NumClobbers; } 1359b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1360d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1361cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1362fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1363fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1364fe795956194141c91ae555985c9b930595bff43fChris Lattner } 13651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1366fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1367fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 13681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1369ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1371ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1372ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 13731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1374ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1375966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1376ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1378ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1379966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1380ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1382ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1383966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1384ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 13851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1386ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1387966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs + NumInputs; 1388d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 13891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1390ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1392ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1393ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 13941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1395d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator begin_outputs() { 1396966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1397d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1398d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek outputs_iterator end_outputs() { 1399966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1400d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1402d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator begin_outputs() const { 1403966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0]; 1404d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 1405d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek const_outputs_iterator end_outputs() const { 1406966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson return &Exprs[0] + NumOutputs; 1407d59a5bd0ab7821a643c540df8c84c70fef76a1c2Ted Kremenek } 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Child iterators 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1411fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1412fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 1413fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 141478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 14155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 14165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1418