Stmt.h revision a93d0f280693b8418bc88cf7a8c93325f7fcf4c6
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 172fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/AST/DeclGroup.h" 189caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 192fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Basic/IdentifierTable.h" 202fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Basic/LLVM.h" 212fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "clang/Basic/SourceLocation.h" 222fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer#include "llvm/ADT/ArrayRef.h" 23aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar#include "llvm/Support/Compiler.h" 24a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer#include "llvm/Support/ErrorHandling.h" 256e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 267573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 2741ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregornamespace llvm { 2841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor class FoldingSetNodeID; 2941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor} 3041ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 32e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 332fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class Attr; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 352fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class Expr; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 37478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class LabelDecl; 382fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class ParmVarDecl; 39a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer class PrinterHelper; 40a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer struct PrintingPolicy; 412fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer class QualType; 420c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 436a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 446c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 45a93d0f280693b8418bc88cf7a8c93325f7fcf4c6Benjamin Kramer class Token; 46478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer class VarDecl; 471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 52ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie //===--------------------------------------------------------------------===// 531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ExprIterator() : I(0) {} 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 771705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer const Stmt * const *I; 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 791705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator(const Stmt * const *i) : I(i) {} 801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstExprIterator() : I(0) {} 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 821705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator+(size_t i) const { return I+i; } 831705fe9ec0efb65f77a46e669e48302923204fe8Benjamin Kramer ConstExprIterator operator-(size_t i) const { return I-i; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 91ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 94ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 95ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 96ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 103f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 104f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 1057381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define STMT_RANGE(BASE, FIRST, LAST) \ 1069a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class, 1077381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define LAST_STMT_RANGE(BASE, FIRST, LAST) \ 1089a55591af3e5506b95a9718e15380129fbfc5ebcSean Hunt first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class 1097381d5cfbd599fa2b9e215011ad7cbd449de231aSean Hunt#define ABSTRACT_STMT(STMT) 1104bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 1118e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 116b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be allocated with regular 'new'."); 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 119b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Stmts cannot be released with regular 'delete'."); 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1228e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class StmtBitfields { 1238e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Stmt; 1248e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1258e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall /// \brief The statement class. 1268e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned sClass : 8; 1278e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1288e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall enum { NumStmtBits = 8 }; 1298e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1308e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CompoundStmtBitfields { 1318e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CompoundStmt; 1328e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned NumStmts : 32 - NumStmtBits; 1358e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 1368e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1378e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class ExprBitfields { 1388e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class Expr; 1398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DeclRefExpr; // computeDependence 1408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class InitListExpr; // ctor 1418e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class DesignatedInitExpr; // ctor 142d967e31ee796efff24b84b704a063634f6b55627Douglas Gregor friend class BlockDeclRefExpr; // ctor 143bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ASTStmtReader; // deserialization 144bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXNewExpr; // ctor 145bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class DependentScopeDeclRefExpr; // ctor 146bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXConstructExpr; // ctor 147bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CallExpr; // ctor 148bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OffsetOfExpr; // ctor 149bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ObjCMessageExpr; // ctor 150ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCArrayLiteral; // ctor 151ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek friend class ObjCDictionaryLiteral; // ctor 152bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ShuffleVectorExpr; // ctor 153bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class ParenListExpr; // ctor 154bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXUnresolvedConstructExpr; // ctor 155bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class CXXDependentScopeMemberExpr; // ctor 156bebbe0d9b7568ce43a464286bee49429489ef483Douglas Gregor friend class OverloadExpr; // ctor 1574b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; // ctor 158dfa64ba45922e1c28e36341bdf34785fea74659bEli Friedman friend class AtomicExpr; // ctor 1598e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumStmtBits; 1608e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 1618e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueKind : 2; 162f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall unsigned ObjectKind : 2; 1638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned TypeDependent : 1; 1648e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned ValueDependent : 1; 165561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 166d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 168561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumExprBits = 16 }; 1698e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 170bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class CharacterLiteralBitfields { 171bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class CharacterLiteral; 172bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 173bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 174bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 175bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 176bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 177bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class FloatingLiteralBitfields { 178bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class FloatingLiteral; 179bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 180bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 181bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsIEEE : 1; // Distinguishes between PPC128 and IEEE128. 182bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsExact : 1; 183bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 184bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 185bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer class UnaryExprOrTypeTraitExprBitfields { 186bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer friend class UnaryExprOrTypeTraitExpr; 187bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned : NumExprBits; 188bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 189bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned Kind : 2; 190bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer unsigned IsType : 1; // true if operand is a type, false if an expression. 191bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer }; 192bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer 193cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth class DeclRefExprBitfields { 194cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class DeclRefExpr; 195cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth friend class ASTStmtReader; // deserialization 196cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned : NumExprBits; 197cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 198cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth unsigned HasQualifier : 1; 199e4b92761b43ced611c417ae478568610f1ad7b1eAbramo Bagnara unsigned HasTemplateKWAndArgsInfo : 1; 2003aa8140bde5b9bedf13e46ec0a668daa54814196Chandler Carruth unsigned HasFoundDecl : 1; 2017cc58b4c927fca539d43eaa58e00dca95946eb7cAbramo Bagnara unsigned HadMultipleCandidates : 1; 202f4b88a45902af1802a1cb42ba48b1c474474f228John McCall unsigned RefersToEnclosingLocal : 1; 203cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth }; 204cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth 2058e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall class CastExprBitfields { 2068e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall friend class CastExpr; 2078e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned : NumExprBits; 2088e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 2092bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned Kind : 6; 2102bb5d00fcf71a7b4d478d478be778fff0494aff6John McCall unsigned BasePathSize : 32 - 6 - NumExprBits; 2118e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2128e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 213cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne class CallExprBitfields { 214cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne friend class CallExpr; 215cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned : NumExprBits; 216cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 217cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne unsigned NumPreArgs : 1; 218cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne }; 219cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne 22080ee6e878a169e6255d4686a91bb696151ff229fJohn McCall class ExprWithCleanupsBitfields { 22180ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ExprWithCleanups; 22280ee6e878a169e6255d4686a91bb696151ff229fJohn McCall friend class ASTStmtReader; // deserialization 22380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 22480ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned : NumExprBits; 22580ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 22680ee6e878a169e6255d4686a91bb696151ff229fJohn McCall unsigned NumObjects : 32 - NumExprBits; 22780ee6e878a169e6255d4686a91bb696151ff229fJohn McCall }; 22880ee6e878a169e6255d4686a91bb696151ff229fJohn McCall 2294b9c2d235fb9449e249d74f48ecfec601650de93John McCall class PseudoObjectExprBitfields { 2304b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class PseudoObjectExpr; 2314b9c2d235fb9449e249d74f48ecfec601650de93John McCall friend class ASTStmtReader; // deserialization 2324b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2334b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned : NumExprBits; 2344b9c2d235fb9449e249d74f48ecfec601650de93John McCall 2354b9c2d235fb9449e249d74f48ecfec601650de93John McCall // These don't need to be particularly wide, because they're 2364b9c2d235fb9449e249d74f48ecfec601650de93John McCall // strictly limited by the forms of expressions we permit. 2374b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned NumSubExprs : 8; 2384b9c2d235fb9449e249d74f48ecfec601650de93John McCall unsigned ResultIndex : 32 - 8 - NumExprBits; 2394b9c2d235fb9449e249d74f48ecfec601650de93John McCall }; 2404b9c2d235fb9449e249d74f48ecfec601650de93John McCall 241f85e193739c953358c865005855253af4f68a497John McCall class ObjCIndirectCopyRestoreExprBitfields { 242f85e193739c953358c865005855253af4f68a497John McCall friend class ObjCIndirectCopyRestoreExpr; 243f85e193739c953358c865005855253af4f68a497John McCall unsigned : NumExprBits; 244f85e193739c953358c865005855253af4f68a497John McCall 245f85e193739c953358c865005855253af4f68a497John McCall unsigned ShouldCopy : 1; 246f85e193739c953358c865005855253af4f68a497John McCall }; 247f85e193739c953358c865005855253af4f68a497John McCall 24832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl class InitListExprBitfields { 24932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl friend class InitListExpr; 25032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned : NumExprBits; 25232cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25332cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list originally had a GNU array-range 25432cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// designator in it. This is a temporary marker used by CodeGen. 25532cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned HadArrayRangeDesignator : 1; 25632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 25732cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// Whether this initializer list initializes a std::initializer_list 25832cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl /// object. 25932cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl unsigned InitializesStdInitializerList : 1; 26032cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl }; 26132cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl 2624ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor class TypeTraitExprBitfields { 2634ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class TypeTraitExpr; 2644ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtReader; 2654ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 2664ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2674ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned : NumExprBits; 2684ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2694ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The kind of type trait, which is a value of a TypeTrait enumerator. 2704ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Kind : 8; 2714ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2724ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief If this expression is not value-dependent, this indicates whether 2734ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// the trait evaluated true or false. 2744ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned Value : 1; 2754ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2764ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor /// \brief The number of arguments to this type trait. 2774ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor unsigned NumArgs : 32 - 8 - 1 - NumExprBits; 2784ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor }; 2794ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor 2808e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall union { 28163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // FIXME: this is wasteful on 64-bit platforms. 28263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall void *Aligner; 28363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 2848e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBitfields StmtBits; 2858e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBitfields CompoundStmtBits; 2868e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall ExprBitfields ExprBits; 287bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer CharacterLiteralBitfields CharacterLiteralBits; 288bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer FloatingLiteralBitfields FloatingLiteralBits; 289bb8a897f350f46475f36140480e82289f6baa020Benjamin Kramer UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits; 290cb66cff8fdf641f57f85dedb515a5f3240e3a9bbChandler Carruth DeclRefExprBitfields DeclRefExprBits; 2918e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CastExprBitfields CastExprBits; 292cc324ad80ab940efca006b0064f7ca70a6181816Peter Collingbourne CallExprBitfields CallExprBits; 29380ee6e878a169e6255d4686a91bb696151ff229fJohn McCall ExprWithCleanupsBitfields ExprWithCleanupsBits; 2944b9c2d235fb9449e249d74f48ecfec601650de93John McCall PseudoObjectExprBitfields PseudoObjectExprBits; 295f85e193739c953358c865005855253af4f68a497John McCall ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits; 29632cf1f27ae8620e7b79bb4e81a067187c0aab7aeSebastian Redl InitListExprBitfields InitListExprBits; 2974ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor TypeTraitExprBitfields TypeTraitExprBits; 2988e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall }; 2998e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall 300d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor friend class ASTStmtReader; 3014ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor friend class ASTStmtWriter; 302d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 3038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 3048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 3051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // or by doing a placement new. 3068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 3072fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer unsigned alignment = 8) throw(); 3081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 3102fa67efeaf66a9332c30a026dc1c21bef6c33a6cBenjamin Kramer unsigned alignment = 8) throw(); 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 3138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 3148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 315e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 316fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 317fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 318e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 319fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 320e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 321025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 322025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 323025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 324025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 325025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 326025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 32702892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbarprivate: 32802892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar /// \brief Whether statistic collection is enabled. 32902892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static bool StatisticsEnabled; 33002892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar 3319c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 332025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 3338e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall explicit Stmt(StmtClass SC, EmptyShell) { 3348e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 33502892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 336025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 337025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3398e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt(StmtClass SC) { 3408e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall StmtBits.sClass = SC; 34102892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar if (StatisticsEnabled) Stmt::addStmtClass(SC); 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 344ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie StmtClass getStmtClass() const { 3458e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall return static_cast<StmtClass>(StmtBits.sClass); 346b2f81cf7f8445e0c65c0428f4fbb0442566916b8Douglas Gregor } 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 349b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 350b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 351b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 352aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 353aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocStart() const LLVM_READONLY; 354aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceLocation getLocEnd() const LLVM_READONLY; 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 35802892a65b18875a04c7ed5eadb3a13be801ab477Daniel Dunbar static void EnableStatistics(); 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 3606000dace22f110d8768476989313e9d981d690d0Chris Lattner 36195f6190acb664b345b1395abaea84ee451740c5bDmitri Gribenko /// \brief Dumps the specified AST fragment and all subtrees to 36295f6190acb664b345b1395abaea84ee451740c5bDmitri Gribenko /// \c llvm::errs(). 363f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump() const; 364f775c7b0575446920d03366abd1f5b5188a7eadeArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump(SourceManager &SM) const; 3658cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void dump(raw_ostream &OS, SourceManager &SM) const; 3666000dace22f110d8768476989313e9d981d690d0Chris Lattner 3676000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 3686000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 369d1420c6fa788669e49f21e184927c7833881e399Richard Smith void dumpPretty(ASTContext &Context) const; 3708cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void printPretty(raw_ostream &OS, PrinterHelper *Helper, 371e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy, 372d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned Indentation = 0) const; 3731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 374d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 375d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 376d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 3771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3787e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// Skip past any implicit AST nodes which might surround this 3797e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes. 3807e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall Stmt *IgnoreImplicit(); 3817e5e5f4cc36fe50f46ad76dca7a266434c94f475John McCall 382a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const Stmt *stripLabelLikeStatements() const; 383a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth Stmt *stripLabelLikeStatements() { 384a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth return const_cast<Stmt*>( 385a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth const_cast<const Stmt*>(this)->stripLabelLikeStatements()); 386a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth } 387a1364be341550d71dff27dd8de0c6872ba6c707eChandler Carruth 388d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 389d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 390d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 391d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 392d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 393d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 394d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 39563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// Child Iterators: All subclasses must implement 'children' 39663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// to permit easy iteration over the substatements/subexpessions of an 39763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall /// AST node. This permits easy iteration over all nodes in the AST. 3989caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 3999caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 4001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef StmtRange child_range; 40263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall typedef ConstStmtRange const_child_range; 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children(); 40563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_range children() const { 40663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return const_cast<Stmt*>(this)->children(); 40777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_begin() { return children().first; } 41063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator child_end() { return children().second; } 41163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 41263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_begin() const { return children().first; } 41363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall const_child_iterator child_end() const { return children().second; } 41441ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor 41541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// \brief Produce a unique representation of the given statement. 41641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 41770517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param ID once the profiling operation is complete, will contain 41841ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// the unique representation of the given statement. 41941ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 42070517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param Context the AST context in which the statement resides 42141ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// 42270517ca5c07c4b41ff8662b94ee22047b0299f8cDmitri Gribenko /// \param Canonical whether the profile should be based on the canonical 42341ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// representation of this statement (e.g., where non-type template 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// parameters are identified by index/level rather than their 42541ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// declaration pointers) or the exact representation of the statement as 42641ef0c3472a3d09c29bc1792f3d26842f2b8a695Douglas Gregor /// written in the source. 4274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 428b11382497a923b0d7009e85a1d8eb7bf93ec6d0dChandler Carruth bool Canonical) const; 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// and declarations (variables, types). Another example is ForStmt, where 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 4379653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 43881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 4428ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 4438ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 4441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 44684f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 44784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 4487e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 449fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 4507e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 451fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 4528ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4547e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 4551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Decl *getSingleDecl() { return DG.getSingleDecl(); } 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 457e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 458e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 45984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 460b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 46181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 46284f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 46381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 46484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 46584f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 466aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 46781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 46881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 4691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DeclStmtClass; 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47414f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 47563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 47663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(child_iterator(DG.begin(), DG.end()), 47763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_iterator(DG.end(), DG.end())); 47863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 4791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4800632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 4810632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 4821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4838ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 4848ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 4858ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 4868ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 487fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose 488fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose typedef std::reverse_iterator<decl_iterator> reverse_decl_iterator; 489fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rbegin() { 490fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_end()); 491fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 492fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose reverse_decl_iterator decl_rend() { 493fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose return reverse_decl_iterator(decl_begin()); 494fd8b43596478b779b6777cb3a595e69d7856c378Jordan Rose } 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 50144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 502e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis /// \brief True if the null statement was preceded by an empty macro, e.g: 50344aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @code 50444aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// #define CALL(x) 50544aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// CALL(0); 50644aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis /// @endcode 507e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool HasLeadingEmptyMacro; 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 509e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false) 510e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis : Stmt(NullStmtClass), SemiLoc(L), 511e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(hasLeadingEmptyMacro) {} 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 513025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 514e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty), 515e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis HasLeadingEmptyMacro(false) { } 516025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 518025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 519b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 520e2ca828119b8bff4a5c25c6db8ee4fec558451e7Argyrios Kyrtzidis bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; } 52144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 522aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(SemiLoc); } 5231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 5251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == NullStmtClass; 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 52944aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis 53044aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtReader; 53144aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis friend class ASTStmtWriter; 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 5378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 538b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5403a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmt(ASTContext &C, Stmt **StmtStart, unsigned NumStmts, 5413a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer SourceLocation LB, SourceLocation RB); 5423a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer 5433a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer // \brief Build an empty compound statment with a location. 5443a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer explicit CompoundStmt(SourceLocation Loc) 5453a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer : Stmt(CompoundStmtClass), Body(0), LBracLoc(Loc), RBracLoc(Loc) { 5463a2d0fb726aca3096b5c1ea9be734417060f34d7Benjamin Kramer CompoundStmtBits.NumStmts = 0; 5471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 548025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 549025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 550025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 5518e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall : Stmt(CompoundStmtClass, Empty), Body(0) { 5528e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall CompoundStmtBits.NumStmts = 0; 5538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 554025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 555025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 5561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5578e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall bool body_empty() const { return CompoundStmtBits.NumStmts == 0; } 5588e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall unsigned size() const { return CompoundStmtBits.NumStmts; } 559025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5608189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 5618189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 5628e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall body_iterator body_end() { return Body + size(); } 5638e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Stmt *body_back() { return !body_empty() ? Body[size()-1] : 0; } 564ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5658e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall void setLastStmt(Stmt *S) { 5668e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall assert(!body_empty() && "setLastStmt"); 5678e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall Body[size()-1] = S; 5688e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5708189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 5718189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 5728e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const_body_iterator body_end() const { return Body + size(); } 5738e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall const Stmt *body_back() const { return !body_empty() ? Body[size()-1] : 0; } 5748189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 5758189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 5768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 5778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 5788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5798189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 5808189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 5818189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5824ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 5848189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 5854ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 5868189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 5878189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 5888189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5908189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 5918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 5928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 5931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 594aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 5951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(LBracLoc, RBracLoc); 596b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 598cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 599025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 600cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 601025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 6021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CompoundStmtClass; 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 60863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 60963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 61063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 611ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 6128ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek const_child_range children() const { 6138ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek return child_range(&Body[0], &Body[0]+CompoundStmtBits.NumStmts); 6148ed557991fe8d51eb27e6c439030ec6ef93a2b8fTed Kremenek } 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 617c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 618c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 619103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 620c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 621c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 622c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 623103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 624d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 6251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 626c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 627c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 628c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 629c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 630c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 631c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 632d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 63363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall Stmt *getSubStmt(); 634702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner const Stmt *getSubStmt() const { 635702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner return const_cast<SwitchCase*>(this)->getSubStmt(); 636702e5474f570d0b83db9f354619b8ac5bc8ed743Chris Lattner } 637b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 638aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); } 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 6411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass || 64263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall T->getStmtClass() == DefaultStmtClass; 643c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 644c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 645c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 646c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 6470a9beb52baa6c990d45d638a177d9456e650282aDouglas Gregor enum { LHS, RHS, SUBSTMT, END_EXPR }; 6481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 649d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 650b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 651dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 652dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 654dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ellipsisLoc, SourceLocation colonLoc) 656d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 65724e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 658d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 659d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 660b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 661dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 662dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 663d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 664025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 665025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 666025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 667025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 668764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 669025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 670dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 671dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 672dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 673dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 674025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 675d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 676d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 677d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 678025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getLHS() const { 6801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[LHS]); 68151b09f2c528c8460b5465c676173324e44176d62Devang Patel } 6821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Expr *getRHS() const { 6831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return reinterpret_cast<const Expr*>(SubExprs[RHS]); 68451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 68551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 68720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 68820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 68920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 6901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 692aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 6933fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 6943fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 69591ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 6963fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 6971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 699b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == CaseStmtClass; 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 704d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 70563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 70663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[END_EXPR]); 70763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 7085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 710c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 711d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 7126c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 713dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 716dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 717dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 718025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 719025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 720025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 721025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 722d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 72351b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 724025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 725025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 7266c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 727025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 728dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 729dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 731aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 733b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DefaultStmtClass; 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 738d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 73963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 742ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 743ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// LabelStmt - Represents a label, which has a substatement. For example: 744ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// foo: return; 745ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner/// 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 747ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *TheDecl; 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 749b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 751ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt) 752ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner : Stmt(LabelStmtClass), TheDecl(D), SubStmt(substmt), IdentLoc(IL) { 7538e6285af719adc6f86d6faa235d22a08eb68ee3aJohn McCall } 7541de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 7551de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 7561de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 7571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 759ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getDecl() const { return TheDecl; } 760ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setDecl(LabelDecl *D) { TheDecl = D; } 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 766b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 767aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 7681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(IdentLoc, SubStmt->getLocEnd()); 7691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 77063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&SubStmt, &SubStmt+1); } 77163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == LabelStmtClass; 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 778534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// \brief Represents an attribute applied to a statement. 779534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 780534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// Represents an attribute applied to a statement. For example: 781534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// [[omp::for(...)]] for (...) { ... } 782534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith/// 783534986f2b21e6050bf00163cd6423fd92155a6edRichard Smithclass AttributedStmt : public Stmt { 784534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *SubStmt; 785534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation AttrLoc; 7864990890fc9428f98bef90ba349203a648c592778Alexander Kornienko unsigned NumAttrs; 7874990890fc9428f98bef90ba349203a648c592778Alexander Kornienko const Attr *Attrs[1]; 788534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 789534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith friend class ASTStmtReader; 790534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 7914990890fc9428f98bef90ba349203a648c592778Alexander Kornienko AttributedStmt(SourceLocation Loc, ArrayRef<const Attr*> Attrs, Stmt *SubStmt) 7924990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass), SubStmt(SubStmt), AttrLoc(Loc), 7934990890fc9428f98bef90ba349203a648c592778Alexander Kornienko NumAttrs(Attrs.size()) { 7944990890fc9428f98bef90ba349203a648c592778Alexander Kornienko memcpy(this->Attrs, Attrs.data(), Attrs.size() * sizeof(Attr*)); 795534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 796534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 7974990890fc9428f98bef90ba349203a648c592778Alexander Kornienko explicit AttributedStmt(EmptyShell Empty, unsigned NumAttrs) 7984990890fc9428f98bef90ba349203a648c592778Alexander Kornienko : Stmt(AttributedStmtClass, Empty), NumAttrs(NumAttrs) { 7994990890fc9428f98bef90ba349203a648c592778Alexander Kornienko memset(Attrs, 0, NumAttrs * sizeof(Attr*)); 800534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 801534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8024990890fc9428f98bef90ba349203a648c592778Alexander Kornienkopublic: 8034990890fc9428f98bef90ba349203a648c592778Alexander Kornienko static AttributedStmt *Create(ASTContext &C, SourceLocation Loc, 8044990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> Attrs, Stmt *SubStmt); 8054990890fc9428f98bef90ba349203a648c592778Alexander Kornienko // \brief Build an empty attributed statement. 8064990890fc9428f98bef90ba349203a648c592778Alexander Kornienko static AttributedStmt *CreateEmpty(ASTContext &C, unsigned NumAttrs); 8074990890fc9428f98bef90ba349203a648c592778Alexander Kornienko 808534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceLocation getAttrLoc() const { return AttrLoc; } 8094990890fc9428f98bef90ba349203a648c592778Alexander Kornienko ArrayRef<const Attr*> getAttrs() const { 8104990890fc9428f98bef90ba349203a648c592778Alexander Kornienko return ArrayRef<const Attr*>(Attrs, NumAttrs); 8114990890fc9428f98bef90ba349203a648c592778Alexander Kornienko } 812534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith Stmt *getSubStmt() { return SubStmt; } 813534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith const Stmt *getSubStmt() const { return SubStmt; } 814534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 815534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith SourceRange getSourceRange() const LLVM_READONLY { 816534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return SourceRange(AttrLoc, SubStmt->getLocEnd()); 817534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 818534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith child_range children() { return child_range(&SubStmt, &SubStmt + 1); } 819534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 820534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith static bool classof(const Stmt *T) { 821534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith return T->getStmtClass() == AttributedStmtClass; 822534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith } 823534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith}; 824534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 825534986f2b21e6050bf00163cd6423fd92155a6edRichard Smith 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 82943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, THEN, ELSE, END_EXPR }; 8308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 8318cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor 832b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 833d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 834ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 836ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie IfStmt(ASTContext &C, SourceLocation IL, VarDecl *var, Expr *cond, 83744aa1f397855f130e88e62ffc1029f7f83bb5d2eArgyrios Kyrtzidis Stmt *then, SourceLocation EL = SourceLocation(), Stmt *elsev = 0); 838ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 839025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 840025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 841025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 8428cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \brief Retrieve the variable declared in this "if" statement, if any. 8438cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// 8448cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// In the following example, "x" is the condition variable. 8458cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \code 8468cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// if (int x = foo()) { 8478cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// printf("x is %d", x); 8488cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// } 8498cfe5a784133d90bf329fd20801824a6f71bb8caDouglas Gregor /// \endcode 85043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 85143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 852ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 853d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this IfStmt has a condition variable, return the faux DeclStmt 854d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 855d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 856d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 857d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 858ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 860025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 8618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 8621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setThen(Stmt *S) { SubExprs[THEN] = S; } 8638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 864025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 8678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 8688297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 869b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 870025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 871025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 872d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 873d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 874025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 875aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 876b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 877b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 878b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 879b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 880b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 8811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 88263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators over subexpressions. The iterators will include iterating 88363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // over the initialization expression referenced by the condition variable. 88463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 88563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 88663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 88763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 8881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 8891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IfStmtClass; 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 89643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 8971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt* SubExprs[END_EXPR]; 898c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 899c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 9009dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 9011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 902559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// If the SwitchStmt is a switch on an enum value, this records whether 903559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// all the enum values were covered by CaseStmts. This value is meant to 904559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// be a hint for possible clients. 905559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek unsigned AllEnumCasesCovered : 1; 906559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 90843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SwitchStmt(ASTContext &C, VarDecl *Var, Expr *cond); 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 910025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 911025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 912025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 913d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \brief Retrieve the variable declared in this "switch" statement, if any. 914d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// 915d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// In the following example, "x" is the condition variable. 916d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \code 917d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// switch (int x = foo()) { 918d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// case 0: break; 919d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// // ... 920d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// } 921d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor /// \endcode 92243dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 92343dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 924ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 925d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this SwitchStmt has a condition variable, return the faux DeclStmt 926d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 927d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 928d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 929d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 930d3d5301c44138b92bf01286183f5bf310cdd37cfDouglas Gregor 9318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 9328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 933c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 934c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 936025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 9378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 938025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 939c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 9401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 94143d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// \brief Set the case list for this switch statement. 94243d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// 94343d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// The caller is responsible for incrementing the retain counts on 94443d9d9243329b1b75d1a6efdad9f16d6fb386b8eDouglas Gregor /// all of the SwitchCase statements in this list. 945025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 946025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 947025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 948025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 949c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 9501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void setBody(Stmt *S, SourceLocation SL) { 9511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SubExprs[BODY] = S; 9529dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 9531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 954c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 955ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie assert(!SC->getNextSwitchCase() 956ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie && "case/default already added to a switch"); 957c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 958c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 959c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 960559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 961559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a 962559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// switch over an enum value then all cases have been explicitly covered. 963559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek void setAllEnumCasesCovered() { 964559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek AllEnumCasesCovered = 1; 965559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 966559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 967559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// Returns true if the SwitchStmt is a switch of an enum value and all cases 968559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek /// have been explicitly covered. 969559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek bool isAllEnumCasesCovered() const { 970559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek return (bool) AllEnumCasesCovered; 971559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek } 972559fb554602bedb57dbbf3cc14ac8a38264b4547Ted Kremenek 973aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 9741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 9759dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 97663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall // Iterators 97763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 97863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 97963c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 98063c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall 9811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 9821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == SwitchStmtClass; 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 9885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 99043dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { VAR, COND, BODY, END_EXPR }; 9918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 992b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 994ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie WhileStmt(ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body, 99543dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor SourceLocation WL); 9961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 997d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 998d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 999d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 10005656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \brief Retrieve the variable declared in this "while" statement, if any. 10015656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// 10025656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// In the following example, "x" is the condition variable. 10035656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \code 10045656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// while (int x = random()) { 10055656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// // ... 10065656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// } 10075656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor /// \endcode 100843dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 100943dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 10105656e14d91405417182171a705ed3e3d2d6d7aa3Douglas Gregor 1011d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this WhileStmt has a condition variable, return the faux DeclStmt 1012d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1013d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1014d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[VAR]); 1015d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1016d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 10178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 1019d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1022d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 1023d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1024d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 1025d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1026b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1027aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 1029b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == WhileStmtClass; 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 103563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 103663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 103763c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 1043c7b5ed6da7410849b51ba9a9ea04d2cc7b720f48Douglas Gregor enum { BODY, COND, END_EXPR }; 10448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 1045b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 10469f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 1047989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RParenLoc; // Location of final ')' in do stmt condition. 10489f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1050989135901c750af61ef012b6b0a0368be415bc46Chris Lattner DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, 1051989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation RP) 1052989135901c750af61ef012b6b0a0368be415bc46Chris Lattner : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) { 10538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 10548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 10551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 105667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 105767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 105867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 10591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 10618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 106267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 10638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const Stmt *getBody() const { return SubExprs[BODY]; } 106567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 106667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 106767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 106867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 10699f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 10709f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 1071b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1072989135901c750af61ef012b6b0a0368be415bc46Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 1073989135901c750af61ef012b6b0a0368be415bc46Chris Lattner void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1074989135901c750af61ef012b6b0a0368be415bc46Chris Lattner 1075aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(DoLoc, RParenLoc); 1077b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 10781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == DoStmtClass; 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 10828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 108363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 108463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 108563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 10865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 109443dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR }; 10958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 1096b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 10975831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 10985831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1100ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ForStmt(ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar, Expr *Inc, 110143dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor Stmt *Body, SourceLocation FL, SourceLocation LP, SourceLocation RP); 11021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 110367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 110467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 110567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 11068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 1107ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 110899e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \brief Retrieve the variable declared in this "for" statement, if any. 110999e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// 111099e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// In the following example, "y" is the condition variable. 111199e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \code 111299e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// for (int x = random(); int y = mangle(x); ++x) { 111399e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// // ... 111499e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// } 111599e9b4d172f6877e6ba5ebe75bb8238721f5e01cDouglas Gregor /// \endcode 111643dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor VarDecl *getConditionVariable() const; 111743dec6bbde2d0a16c35978983761c8b7030c8e18Douglas Gregor void setConditionVariable(ASTContext &C, VarDecl *V); 1118ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1119d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// If this ForStmt has a condition variable, return the faux DeclStmt 1120d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek /// associated with the creation of that condition variable. 1121d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek const DeclStmt *getConditionVariableDeclStmt() const { 1122d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]); 1123d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek } 1124d40066b0fb883839a9100e5455e33190b9b8abacTed Kremenek 11258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 11268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 11288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 11298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 11308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 11318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 11328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 1133b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 113467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 113567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 113667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 113767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 113867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 113967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 114067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 11415831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 11425831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 11435831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 11445831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 114567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 1146aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 1148b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 11491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ForStmtClass; 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 115463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 115563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR); 115663c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 1162ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *Label; 1163507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 116461f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 11655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1166ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL) 116761f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 11681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11691de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 11701de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 11711de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 1172ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getLabel() const { return Label; } 1173ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner void setLabel(LabelDecl *D) { Label = D; } 11741de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 11751de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 11761de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 11771de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 11781de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 1179b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 1180aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(GotoLoc, LabelLoc); 1182507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 11841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == GotoStmtClass; 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 118863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 11925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 1194ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 11955f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 11961060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 11995f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 12005f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 12015f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 12027d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 12037d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 12041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump explicit IndirectGotoStmt(EmptyShell Empty) 12057d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1207ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 1208ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 12095f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 12105f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 12111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 121295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall Expr *getTarget() { return reinterpret_cast<Expr*>(Target); } 121395c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);} 12147d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 1215b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 121695c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// getConstantTarget - Returns the fixed target of this indirect 121795c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall /// goto, if one exists. 1218ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner LabelDecl *getConstantTarget(); 1219ad8dcf4a9df0e24051dc31bf9e6f3cd138a34298Chris Lattner const LabelDecl *getConstantTarget() const { 122095c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall return const_cast<IndirectGotoStmt*>(this)->getConstantTarget(); 122195c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall } 122295c225de9fa3d79f70ef5008c0279580a7d9dcadJohn McCall 1223aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1224ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 1225ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 12261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == IndirectGotoStmtClass; 12295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 123263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(&Target, &Target+1); } 12335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 12375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 1239507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 12405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1241507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 12421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1243d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 1244d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 1245d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1246d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 1247d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 1248d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 1249aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 12501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return SourceRange(ContinueLoc); 1251507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 1252861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 12531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ContinueStmtClass; 12555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 125863c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 1264507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1266507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 12671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1268025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 1269025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 1270025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1271025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 1272025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 1273025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1274aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(BreakLoc); } 1275b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 12761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 12771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == BreakStmtClass; 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 128163c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { return child_range(); } 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1285c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 1286c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 1287c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 1288c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 1289c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 1290c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 1291c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 1292c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 12951060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 1296507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 12975077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *NRVOCandidate; 1298ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13005077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL) 130125a0fe2a99aaf2d1bf5bdfdae7ab11e2a5e7622fAbramo Bagnara : Stmt(ReturnStmtClass), RetExpr(0), RetLoc(RL), NRVOCandidate(0) { } 13025077c3876beeaed32280af88244e8050078619a8Douglas Gregor 13035077c3876beeaed32280af88244e8050078619a8Douglas Gregor ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate) 13045077c3876beeaed32280af88244e8050078619a8Douglas Gregor : Stmt(ReturnStmtClass), RetExpr((Stmt*) E), RetLoc(RL), 13055077c3876beeaed32280af88244e8050078619a8Douglas Gregor NRVOCandidate(NRVOCandidate) {} 13060de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13070de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 13080de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 13090de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13101060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 13111060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 13120de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 13130de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 13140de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 13150de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 1316b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 13175077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// \brief Retrieve the variable that might be used for the named return 13185077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// value optimization. 13195077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// 13205077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// The optimization itself can only be performed if the variable is 13215077c3876beeaed32280af88244e8050078619a8Douglas Gregor /// also marked as an NRVO object. 13225077c3876beeaed32280af88244e8050078619a8Douglas Gregor const VarDecl *getNRVOCandidate() const { return NRVOCandidate; } 13235077c3876beeaed32280af88244e8050078619a8Douglas Gregor void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; } 1324ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1325aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY; 13261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Stmt *T) { 13281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getStmtClass() == ReturnStmtClass; 13295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 133263c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall child_range children() { 133363c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall if (RetExpr) return child_range(&RetExpr, &RetExpr+1); 133463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall return child_range(); 133563c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall } 13365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1338728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier/// AsmStmt is the base class for GCCAsmStmt and MSAsmStmt. 1339728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier/// 1340728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass AsmStmt : public Stmt { 1341728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierprotected: 1342066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation AsmLoc; 134312b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// \brief True if the assembly statement does not have any input or output 134412b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// operands. 1345728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool IsSimple; 134612b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier 134712b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// \brief If true, treat this inline assembly as having side effects. 134812b95e523c193bac4bdde0b23f2a9777ca956145Chad Rosier /// This assembly statement should not be optimized, deleted or moved. 1349728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool IsVolatile; 1350728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1351066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumOutputs; 1352066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumInputs; 1353066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned NumClobbers; 1354066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1355066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier IdentifierInfo **Names; 135619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier Stmt **Exprs; 1357066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1358066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier AsmStmt(StmtClass SC, SourceLocation asmloc, bool issimple, bool isvolatile, 1359066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned numoutputs, unsigned numinputs, unsigned numclobbers) : 1360066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier Stmt (SC), AsmLoc(asmloc), IsSimple(issimple), IsVolatile(isvolatile), 1361066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier NumOutputs(numoutputs), NumInputs(numinputs), NumClobbers(numclobbers) { } 1362728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1363728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierpublic: 1364728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier /// \brief Build an empty inline-assembly statement. 1365728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit AsmStmt(StmtClass SC, EmptyShell Empty) : 136619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier Stmt(SC, Empty), Names(0), Exprs(0) { } 136729760b452876548f59804e8c02c3276bc7281d5dMatt Beaumont-Gay 1368066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation getAsmLoc() const { return AsmLoc; } 1369066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1370728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1371728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool isSimple() const { return IsSimple; } 1372728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier void setSimple(bool V) { IsSimple = V; } 1373728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1374728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier bool isVolatile() const { return IsVolatile; } 1375728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier void setVolatile(bool V) { IsVolatile = V; } 1376728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1377728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier SourceRange getSourceRange() const LLVM_READONLY { return SourceRange(); } 1378728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 1379da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier //===--- Asm String Analysis ---===// 1380da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 1381da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 1382aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier std::string generateAsmString(ASTContext &C) const; 1383da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 1384066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Output operands ---===// 1385066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1386066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned getNumOutputs() const { return NumOutputs; } 1387066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1388066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier IdentifierInfo *getOutputIdentifier(unsigned i) const { 1389066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return Names[i]; 1390066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier } 1391066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1392066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier StringRef getOutputName(unsigned i) const { 1393066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier if (IdentifierInfo *II = getOutputIdentifier(i)) 1394066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return II->getName(); 1395066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1396066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return StringRef(); 1397066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier } 1398066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1399c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getOutputConstraint - Return the constraint string for the specified 1400c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// output operand. All output constraints are known to be non-empty (either 1401c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// '=' or '+'). 1402aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getOutputConstraint(unsigned i) const; 1403c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1404c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// isOutputPlusConstraint - Return true if the specified output constraint 1405c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// is a "+" constraint (which is both an input and an output) or false if it 1406c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// is an "=" constraint (just an output). 1407c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier bool isOutputPlusConstraint(unsigned i) const { 1408c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier return getOutputConstraint(i)[0] == '+'; 1409c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier } 1410c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1411aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier const Expr *getOutputExpr(unsigned i) const; 1412c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1413c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getNumPlusOperands - Return the number of output operands that have a "+" 1414c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// constraint. 1415c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier unsigned getNumPlusOperands() const; 1416c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1417066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Input operands ---===// 1418066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1419066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier unsigned getNumInputs() const { return NumInputs; } 1420066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1421066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier IdentifierInfo *getInputIdentifier(unsigned i) const { 1422066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return Names[i + NumOutputs]; 1423066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier } 1424066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1425066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier StringRef getInputName(unsigned i) const { 1426066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier if (IdentifierInfo *II = getInputIdentifier(i)) 1427066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return II->getName(); 1428066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1429066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier return StringRef(); 1430066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier } 1431066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 1432c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// getInputConstraint - Return the specified input constraint. Unlike output 1433c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier /// constraints, these can be empty. 1434aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getInputConstraint(unsigned i) const; 1435aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier 1436aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier const Expr *getInputExpr(unsigned i) const; 1437c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1438066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier //===--- Other ---===// 1439066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier 14402fd559f041d49863a7396d9e330bc9dae95ac8c4Chad Rosier unsigned getNumClobbers() const { return NumClobbers; } 1441aba59aafd47ded6d483894cd6ab7bff494eb7587Chad Rosier StringRef getClobber(unsigned i) const; 14422fd559f041d49863a7396d9e330bc9dae95ac8c4Chad Rosier 1443728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier static bool classof(const Stmt *T) { 1444728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier return T->getStmtClass() == GCCAsmStmtClass || 1445728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier T->getStmtClass() == MSAsmStmtClass; 1446728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier } 144719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 144819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier // Input expr iterators. 144919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 145019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ExprIterator inputs_iterator; 145119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ConstExprIterator const_inputs_iterator; 145219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 145319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier inputs_iterator begin_inputs() { 145419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 145519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 145619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 145719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier inputs_iterator end_inputs() { 145819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs + NumInputs; 145919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 146019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 146119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_inputs_iterator begin_inputs() const { 146219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 146319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 146419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 146519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_inputs_iterator end_inputs() const { 146619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs + NumInputs; 146719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 146819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 146919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier // Output expr iterators. 147019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 147119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ExprIterator outputs_iterator; 147219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier typedef ConstExprIterator const_outputs_iterator; 147319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 147419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier outputs_iterator begin_outputs() { 147519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0]; 147619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 147719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier outputs_iterator end_outputs() { 147819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 147919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 148019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 148119c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_outputs_iterator begin_outputs() const { 148219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0]; 148319c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 148419c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier const_outputs_iterator end_outputs() const { 148519c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return &Exprs[0] + NumOutputs; 148619c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 148719c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier 148819c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier child_range children() { 148919c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs); 149019c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier } 1491728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier}; 1492728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier 14937d2c5ca9c3dad400f66aca58eebef321c04cf57eChad Rosier/// This represents a GCC inline-assembly statement extension. 1494fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 1495728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass GCCAsmStmt : public AsmStmt { 1496066ef86b435a5c567778c25fc201a2831049ad4bChad Rosier SourceLocation RParenLoc; 14976a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 1498b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1499966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson // FIXME: If we wanted to, we could allocate all of these in one big array. 1500966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Constraints; 1501966146e89141804ff6492739a2a6e6592ca671c7Anders Carlsson StringLiteral **Clobbers; 1502ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1503fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 1504df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier GCCAsmStmt(ASTContext &C, SourceLocation asmloc, bool issimple, 1505df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier bool isvolatile, unsigned numoutputs, unsigned numinputs, 1506df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier IdentifierInfo **names, StringLiteral **constraints, Expr **exprs, 1507df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier StringLiteral *asmstr, unsigned numclobbers, 1508df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier StringLiteral **clobbers, SourceLocation rparenloc); 1509b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1510cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 1511728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit GCCAsmStmt(EmptyShell Empty) : AsmStmt(GCCAsmStmtClass, Empty), 151219c0134d465a1d9a1edc45ebac51652d8636c68eChad Rosier Constraints(0), Clobbers(0) { } 1513cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1514cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1515cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1516cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1517458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1518458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1519458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1520458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1521cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1522cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1523458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1524458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1525458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1526458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1527458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1528458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1529458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1530458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1531458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1532458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1533458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1534458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1535458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1536458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1537458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1538458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1539458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1540458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1541458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 15421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1543458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1544458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 15451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1546458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1547458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1548458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1549458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1550458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1551458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1552458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1553458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1554458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1556458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1557458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1558458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1559458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1560458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1561458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1562458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 15631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1564458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1565458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1566458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1567458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1569686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces, 1570fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1572da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 1573da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier std::string generateAsmString(ASTContext &C) const; 15741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1575b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1576b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1577686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getOutputConstraint(unsigned i) const; 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1579b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1580ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1581ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1582b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1583b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1584b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 15851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1586ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 15871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1588b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1589df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return const_cast<GCCAsmStmt*>(this)->getOutputExpr(i); 1590b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 15911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1592b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 15931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1594686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getInputConstraint(unsigned i) const; 15951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1596b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1597ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1598ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1599b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1600ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1601ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 16021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1603ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1604935f0f01c1ed3c2052b797ac035d57a85b78adc4Chris Lattner void setInputExpr(unsigned i, Expr *E); 1605ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1606b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1607df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return const_cast<GCCAsmStmt*>(this)->getInputExpr(i); 1608b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1609cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1610acb6bcb442936f3c14126fdd473307c17647cb84Anders Carlsson void setOutputsAndInputsAndClobbers(ASTContext &C, 1611ff93dbd887e40588ed55d135037bb9287488b285Anders Carlsson IdentifierInfo **Names, 1612fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Constraints, 1613fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson Stmt **Exprs, 1614fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumOutputs, 1615ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumInputs, 1616fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson StringLiteral **Clobbers, 1617fdba9c069023f686e2608affde02c82131ee1cf8Anders Carlsson unsigned NumClobbers); 1618cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 161910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 16201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 162210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 162310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 1624686775deca8b8685eb90801495880e3abdd844c2Chris Lattner int getNamedOperand(StringRef SymbolicName) const; 162510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 162633f0558f75f70061707d1388e305b8f92f4e55deChad Rosier StringRef getClobber(unsigned i) const; 16275c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier StringLiteral *getClobberStringLiteral(unsigned i) { return Clobbers[i]; } 16285c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier const StringLiteral *getClobberStringLiteral(unsigned i) const { 16295c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier return Clobbers[i]; 16305c7f59445ae68109c7ffee731aca2ce32db587c7Chad Rosier } 1631cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1632aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 1633fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1634fe795956194141c91ae555985c9b930595bff43fChris Lattner } 16351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1636df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier static bool classof(const Stmt *T) { 1637df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier return T->getStmtClass() == GCCAsmStmtClass; 1638df5faf5e7ae6823d0af0b801c4ac26d47f2cee97Chad Rosier } 1639fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 164078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 16417d2c5ca9c3dad400f66aca58eebef321c04cf57eChad Rosier/// This represents a Microsoft inline-assembly statement extension. 16428cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier/// 1643728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosierclass MSAsmStmt : public AsmStmt { 16447bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier SourceLocation AsmLoc, LBraceLoc, EndLoc; 16458cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier std::string AsmStr; 16468cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 164779efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier unsigned NumAsmToks; 164879efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier 164979efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier Token *AsmToks; 165089fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef *Constraints; 165133c72e1c0bbb477cf36dd7becd933b860c42ed8cChad Rosier StringRef *Clobbers; 16528cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16538cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosierpublic: 16547bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier MSAsmStmt(ASTContext &C, SourceLocation asmloc, SourceLocation lbraceloc, 16557bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier bool issimple, bool isvolatile, ArrayRef<Token> asmtoks, 1656e54cba1ec0b0e498ee67d200289035797932e714Chad Rosier unsigned numoutputs, unsigned numinputs, 1657e54cba1ec0b0e498ee67d200289035797932e714Chad Rosier ArrayRef<IdentifierInfo*> names, ArrayRef<StringRef> constraints, 1658e54cba1ec0b0e498ee67d200289035797932e714Chad Rosier ArrayRef<Expr*> exprs, StringRef asmstr, 165989fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier ArrayRef<StringRef> clobbers, SourceLocation endloc); 16608cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1661cd518a0ebc7c0a6aa41d717c360462540ef80a76Chad Rosier /// \brief Build an empty MS-style inline-assembly statement. 1662728581e7702cafe32cc9e1b5b61a15f5042ce189Chad Rosier explicit MSAsmStmt(EmptyShell Empty) : AsmStmt(MSAsmStmtClass, Empty), 166389fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier NumAsmToks(0), AsmToks(0), Constraints(0), Clobbers(0) { } 1664cd518a0ebc7c0a6aa41d717c360462540ef80a76Chad Rosier 16657bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier SourceLocation getLBraceLoc() const { return LBraceLoc; } 16667bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier void setLBraceLoc(SourceLocation L) { LBraceLoc = L; } 16678cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceLocation getEndLoc() const { return EndLoc; } 16688cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setEndLoc(SourceLocation L) { EndLoc = L; } 16698cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16707bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier bool hasBraces() const { return LBraceLoc.isValid(); } 16717bd092b054444e9800e8de1d8d71c408dbdc8eadChad Rosier 167279efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier unsigned getNumAsmToks() { return NumAsmToks; } 167379efe24e125553b7fd4a35ffb3b7a45c4f1e661aChad Rosier Token *getAsmToks() { return AsmToks; } 16748f726de55412870ef70e788b852c6cc50873e15bChad Rosier 16758cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Asm String Analysis ---===// 16768cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 16778cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier const std::string *getAsmString() const { return &AsmStr; } 16788cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier std::string *getAsmString() { return &AsmStr; } 16798cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier void setAsmString(StringRef &E) { AsmStr = E.str(); } 16808cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 1681da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier /// Assemble final IR asm string. 1682da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier std::string generateAsmString(ASTContext &C) const; 1683da083b2ce8db27ce6e508cb77cb12c0fc8b7cad9Chad Rosier 16842603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier //===--- Output operands ---===// 16852603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 168689fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef getOutputConstraint(unsigned i) const { 168789fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier return Constraints[i]; 168889fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier } 1689c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1690633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier Expr *getOutputExpr(unsigned i); 1691633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier 16922603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier const Expr *getOutputExpr(unsigned i) const { 16932603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier return const_cast<MSAsmStmt*>(this)->getOutputExpr(i); 16942603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier } 16952603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 16962603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier //===--- Input operands ---===// 16972603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 169889fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier StringRef getInputConstraint(unsigned i) const { 169989fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier return Constraints[i + NumOutputs]; 170089fb6d7eba51c7864ec544e07accd23b24057122Chad Rosier } 1701c4fb221120f2c8b158082d0b2b9daa29d2f65d5bChad Rosier 1702633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier Expr *getInputExpr(unsigned i); 1703633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier void setInputExpr(unsigned i, Expr *E); 1704633abb0ea01d37ab9c8e4ce1ee9e48894a12dfcaChad Rosier 17052603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier const Expr *getInputExpr(unsigned i) const { 17062603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier return const_cast<MSAsmStmt*>(this)->getInputExpr(i); 17072603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier } 17082603fa6c0e0fff904317b525724170ba8ae5bfa8Chad Rosier 17098cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier //===--- Other ---===// 17108cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 17111e059da457ba65062448f24975db386efa0d51f8Chad Rosier StringRef getClobber(unsigned i) const { return Clobbers[i]; } 17124399ea9d473365224d9e4db0cd94aab849eb59b7Chad Rosier 17138cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier SourceRange getSourceRange() const LLVM_READONLY { 17148cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return SourceRange(AsmLoc, EndLoc); 17158cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 17168cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier static bool classof(const Stmt *T) { 17178cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return T->getStmtClass() == MSAsmStmtClass; 17188cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 17198cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 17208cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier child_range children() { 17218cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier return child_range(&Exprs[0], &Exprs[0]); 17228cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier } 17238cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier}; 17248cd64b4c5553fa6284d248336cb7c82dc960a394Chad Rosier 172528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHExceptStmt : public Stmt { 172628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 172728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 172828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 172928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { FILTER_EXPR, BLOCK }; 173028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 173128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt(SourceLocation Loc, 173228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 173328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 173428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 17357110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 17367110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 17377110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { } 17387110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 173928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 174028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHExceptStmt* Create(ASTContext &C, 174128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation ExceptLoc, 174228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Expr *FilterExpr, 174328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 1744aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 174528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getExceptLoc(), getEndLoc()); 174628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 174728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 174828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getExceptLoc() const { return Loc; } 174928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); } 175028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1751ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Expr *getFilterExpr() const { 1752ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return reinterpret_cast<Expr*>(Children[FILTER_EXPR]); 1753ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1754ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1755ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt *getBlock() const { 1756ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[BLOCK]); 1757ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 175828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 175928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 176028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 176128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 176228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 176328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 176428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHExceptStmtClass; 176528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 176628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 176728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 176828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 176928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHFinallyStmt : public Stmt { 177028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation Loc; 177128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block; 177228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 177328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt(SourceLocation Loc, 177428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 177528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 17767110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 17777110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 17787110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { } 17797110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 178028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 178128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHFinallyStmt* Create(ASTContext &C, 178228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation FinallyLoc, 178328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Block); 178428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1785aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 178628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getFinallyLoc(), getEndLoc()); 178728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 178828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 178928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getFinallyLoc() const { return Loc; } 179028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Block->getLocEnd(); } 179128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 179228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); } 179328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 179428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 179528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(&Block,&Block+1); 179628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 179728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 179828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 179928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHFinallyStmtClass; 180028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 180128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 180228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 180328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 180428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleyclass SEHTryStmt : public Stmt { 180528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool IsCXXTry; 180628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc; 180728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Children[2]; 180828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 180928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley enum { TRY = 0, HANDLER = 1 }; 181028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 181128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try' 181228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 181328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 181428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 181528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 18167110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTReader; 18177110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall friend class ASTStmtReader; 18187110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { } 18197110fd6c32306b3feb97b9edb8064b1b68a54e6bJohn McCall 182028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegleypublic: 182128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static SEHTryStmt* Create(ASTContext &C, 182228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool isCXXTry, 182328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation TryLoc, 182428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *TryBlock, 182528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *Handler); 182628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 1827aa49a7d70e58dac2aeb40664ba16d2ea571b8c95Daniel Dunbar SourceRange getSourceRange() const LLVM_READONLY { 182828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return SourceRange(getTryLoc(), getEndLoc()); 182928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 183028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 183128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getTryLoc() const { return TryLoc; } 183228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); } 183328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 183428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley bool getIsCXXTry() const { return IsCXXTry; } 1835ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1836ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie CompoundStmt* getTryBlock() const { 1837ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return llvm::cast<CompoundStmt>(Children[TRY]); 1838ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 1839ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 184028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley Stmt *getHandler() const { return Children[HANDLER]; } 184128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 184228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley /// Returns 0 if not defined 184328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHExceptStmt *getExceptHandler() const; 184428bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley SEHFinallyStmt *getFinallyHandler() const; 184528bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 184628bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley child_range children() { 184728bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return child_range(Children,Children+2); 184828bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 184928bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley 185028bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley static bool classof(const Stmt *T) { 185128bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley return T->getStmtClass() == SEHTryStmtClass; 185228bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley } 185328bbe4b8acc338476fe0825769b41fb32b423c72John Wiegley}; 1854ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 18555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 18565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1858