Stmt.h revision 5f1b9e689fa5c101512aef99225f2afea1673449
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Stmt interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_STMT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_STMT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff#include "llvm/Support/Casting.h" 18a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek#include "llvm/Support/raw_ostream.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 209caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 218ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 23525204a7ca5c3c0aac8166d8f27abb988a84c850Anton Korobeynikov#include "llvm/ADT/iterator.h" 248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 256e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 267573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 29e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 327ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 334b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 350c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 366a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 376c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 3842a509f6a4f71bb805cc4abbb26722a34dffdddeTed Kremenek class PrinterHelper; 39ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 40ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 41ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 42ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator() : I(0) {} 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt* const * I; 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator(Stmt* const* i) : I(i) {} 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator() : I(0) {} 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator+(size_t i) { return I+i; } 75ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator-(size_t i) { return I-i; } 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 95f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 96f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 97f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_STMT(CLASS) firstStmtConstant = CLASS##Class, 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_STMT(CLASS) lastStmtConstant = CLASS##Class, 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_EXPR(CLASS) firstExprConstant = CLASS##Class, 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_EXPR(CLASS) lastExprConstant = CLASS##Class 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/StmtNodes.def" 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const StmtClass sClass; 1058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // or by doing a placement new. 1198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 1258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 132e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 133fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 134fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 135e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 136fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 137e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 138025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 139025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 140025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 141025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 142025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 143025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1449c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1459c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1469c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 14727f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1489c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek 149025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 150025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit Stmt(StmtClass SC, EmptyShell) : sClass(SC) { 151025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 152025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 153025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt(StmtClass SC) : sClass(SC) { 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 15927f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 16024e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner virtual void Destroy(ASTContext &Ctx); 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StmtClass getStmtClass() const { return sClass; } 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 164b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 165b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 166b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 167b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 168b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 169311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 170311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool CollectingStats(bool enable=false); 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 1766000dace22f110d8768476989313e9d981d690d0Chris Lattner 1776000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 1786000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 1796000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 181e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 1826000dace22f110d8768476989313e9d981d690d0Chris Lattner 1836000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 1846000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 185e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 1866000dace22f110d8768476989313e9d981d690d0Chris Lattner 1876000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 1886000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 1896000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpPretty() const; 190071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper* = NULL, unsigned = 0, 191071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump bool NoIndent=false) const; 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 193d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 194d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 195d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 196d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 1988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek static bool classof(const Stmt *) { return true; } 19977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 200d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 201d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 202d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 203d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 204d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 205d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 206d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 20777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 20877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 20977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2109caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2119caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 21277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 2138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 21577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 21677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2179caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 21877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 21977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 22077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2219caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 22277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// and declarations (variables, types). Another example is ForStmt, where 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 2319653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 23281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2349653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 2358ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 2368ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 23984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 24084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 2418e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek virtual void Destroy(ASTContext& Ctx); 2428e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek 2437e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 244fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 2457e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 246fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 2478ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 248655137a6c19110620d82d5f03cdcaec3a48c059fTed Kremenek 2497e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 2507e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner Decl *getSingleDecl() { return DG.getSingleDecl(); } 251e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner 252e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 253e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 25484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 255b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 25681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 25784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 25881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 25984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 26084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 2618ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 26281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 26381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclStmtClass; 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 2698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 27014f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 2718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 2728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 2730965f446e7685dc01fc0b5e718610530eed3cc63Ted Kremenek 2740632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 2750632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 2768a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 2778ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 2788ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 2798ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 2808ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 290025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 291025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 292025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 293d19cd90b266181c4a8d186adfa20ccebe73336ccAnders Carlsson NullStmt* Clone(ASTContext &C) const; 294d19cd90b266181c4a8d186adfa20ccebe73336ccAnders Carlsson 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 296025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 297b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 298507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == NullStmtClass; 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 315b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 320026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 321026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 322026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 323026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 324026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner 325026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 326026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 328025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 329025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 330025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 331025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor : Stmt(CompoundStmtClass, Empty), Body(0), NumStmts(0) { } 332025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 333025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 3348189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 336025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor unsigned size() const { return NumStmts; } 337025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 3398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 3408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 3418189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 3448189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 3458189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 3468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 3478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 3498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 3508189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 3518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 3538189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 3548189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3554ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3568189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 3578189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 3584ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3598189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 3608189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 3618189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 362b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 3638189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 3648189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 3658189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3668189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 367b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 368b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(LBracLoc, RBracLoc); 369b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 37054395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 371cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 372025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 373cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 374025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 37554395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CompoundStmtClass; 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 3808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 386c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 387c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 388103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 389c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 390c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 391c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 392103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 393d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 394c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 395c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 396c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 397c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 398c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 399c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 400c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 401d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 402d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 403b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 404b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 405edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek 406c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const Stmt *T) { 407c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson return T->getStmtClass() == CaseStmtClass || 408c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 409c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 410c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 4113fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 4123fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() = 0; 413c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 414c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 415c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 416d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 417d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 418d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 419b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 420dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation EllipsisLoc; 421dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 422dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor 4233fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 425dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, 426dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ellipsisLoc, SourceLocation colonLoc) 427d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 42824e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 429d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 430d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 431b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 432dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor EllipsisLoc = ellipsisLoc; 433dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc = colonLoc; 434d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 435025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 436025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 437025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 438025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 439764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 440025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 441dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getEllipsisLoc() const { return EllipsisLoc; } 442dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; } 443dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 444dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 445025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 446d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 447d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 448d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 449025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 45051b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getLHS() const { 45151b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[LHS]); 45251b09f2c528c8460b5465c676173324e44176d62Devang Patel } 45351b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getRHS() const { 45451b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[RHS]); 45551b09f2c528c8460b5465c676173324e44176d62Devang Patel } 45651b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 45820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 45920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 46020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 46120dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 46220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 4633fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 4643fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 4653fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 46691ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 4673fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 4683fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner 4693fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 470b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CaseStmtClass; 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 475d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 476d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 477d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 478d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 481c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 482d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 4836c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 484dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation ColonLoc; 4853fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 487dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt) : 488dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL), 489dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor ColonLoc(CL) {} 490025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 491025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 492025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 493025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 494d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 49551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 496025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 497025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4986c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 499025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 500dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor SourceLocation getColonLoc() const { return ColonLoc; } 501dbb26db1d426fb6caaaf1b4fa47b46d1947c12c9Douglas Gregor void setColonLoc(SourceLocation L) { ColonLoc = L; } 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 503b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 504b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 505b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DefaultStmtClass; 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 510d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 511d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 512d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 513d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 519b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 521b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 522b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(LabelStmtClass), Label(label), 523b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 5241de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 5251de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 5261de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 5301de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setID(IdentifierInfo *II) { Label = II; } 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 536b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 537b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 538b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IdentLoc, SubStmt->getLocEnd()); 539b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == LabelStmtClass; 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 5448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 5548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 5558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 556b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 557d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 559d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor IfStmt(SourceLocation IL, Expr *cond, Stmt *then, 560d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation EL = SourceLocation(), Stmt *elsev = 0) 561b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(IfStmtClass) { 5628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 5638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 5648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 565b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfLoc = IL; 566d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor ElseLoc = EL; 5678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 569025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 570025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 571025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 573025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 5748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 575025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setThen(Stmt *S) { SubExprs[THEN] = S; } 5768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 577025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 5808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 5818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 582b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 583025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 584025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 585d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 586d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 587025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 588b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 589b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 590b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 591b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 592b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 593b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IfStmtClass; 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 5998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 6088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 610c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 611c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 6129dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SwitchStmt(Expr *cond) : Stmt(SwitchStmtClass), FirstCase(0) { 6158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = NULL; 6178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 619025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 620025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 621025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 624c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 625c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 6268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 627025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 6288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 629025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 630c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 631025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 632025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 633025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 634025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 635c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 6369dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff void setBody(Stmt *S, SourceLocation SL) { 6379dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SubExprs[BODY] = S; 6389dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 6399dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 640c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 641c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 642c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 643c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 644c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 6459dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff virtual SourceRange getSourceRange() const { 6469dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 6479dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SwitchStmtClass; 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 6528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 6628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 664b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 666b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileStmt(Expr *cond, Stmt *body, SourceLocation WL) : Stmt(WhileStmtClass) { 6678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6688297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 669b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 6708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 672d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 673d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 674d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 6758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 677d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 6788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 6798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 680d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 681d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 682d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 683d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 684b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 685b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 686b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 687b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == WhileStmtClass; 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 6928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 7018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 7028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 703b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 7049f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 7059f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7079f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL) 7089f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL) { 7098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 7108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 711b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoLoc = DL; 7129f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor WhileLoc = WL; 7138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 71467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 71567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 71667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 72067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 7218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 72367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 72467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 72567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 72667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 7279f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 7289f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 729b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 730b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 731b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DoLoc, SubExprs[BODY]->getLocEnd()); 732b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DoStmtClass; 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 7378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 7498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 7508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 751b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 7525831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 7535831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7555831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor ForStmt(Stmt *Init, Expr *Cond, Expr *Inc, Stmt *Body, SourceLocation FL, 7565831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LP, SourceLocation RP) 757b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(ForStmtClass) { 758af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 759af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 760af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 761af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 762b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForLoc = FL; 7635831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor LParenLoc = LP; 7645831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor RParenLoc = RP; 765af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 76767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 76867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 76967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 7708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 7718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 7768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 779b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 78067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 78167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 78267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 78367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 78467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 78567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 78667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 7875831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 7885831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 7895831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 7905831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 79167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 792b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 793b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 794b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ForStmtClass; 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 7998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8040196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 809507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 81061f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 81261f62165220e75694fe333179c78815e2e48d71fTed Kremenek GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 81361f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8151de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 8161de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 8171de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 8191de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabel(LabelStmt *S) { Label = S; } 8201de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 8211de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 8221de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 8231de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 8241de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 825b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 826507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 82761f62165220e75694fe333179c78815e2e48d71fTed Kremenek return SourceRange(GotoLoc, LabelLoc); 828507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == GotoStmtClass; 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 8338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 8405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 842ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 8435f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation StarLoc; 8441060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8465f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, 8475f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Expr *target) 8485f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc), 8495f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor Target((Stmt*)target) {} 8507d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 8517d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 8527d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor explicit IndirectGotoStmt(EmptyShell Empty) 8537d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 855ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 856ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 8575f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor void setStarLoc(SourceLocation L) { StarLoc = L; } 8585f1b9e689fa5c101512aef99225f2afea1673449Douglas Gregor SourceLocation getStarLoc() const { return StarLoc; } 859ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner 8601060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 8611060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 8627d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 863b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 864ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner virtual SourceRange getSourceRange() const { 865ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 866ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IndirectGotoStmtClass; 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 8728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 882507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 884507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 885b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 886d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 887d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 888d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 889d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 890d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 891d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 892507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 893507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff return SourceRange(ContinueLoc); 894507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 895861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 896861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor ContinueStmt* Clone(ASTContext &C) const; 897861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ContinueStmtClass; 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 9028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 911507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 913507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 914b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 915025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 916025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 917025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 918025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 919025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 920025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 921507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 922b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 923861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor BreakStmt* Clone(ASTContext &C) const; 924861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 9255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == BreakStmtClass; 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 9298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 936c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 937c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 938c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 939c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 940c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 941c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 942c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 943c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 9445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 9461060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 947507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 949507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ReturnStmt(SourceLocation RL, Expr *E = 0) : Stmt(ReturnStmtClass), 9501060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek RetExpr((Stmt*) E), RetLoc(RL) {} 9510de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 9520de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 9530de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 9540de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 9551060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 9561060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 9570de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 9580de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 9590de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 9600de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 961b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 962507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ReturnStmtClass; 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 9688297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 974fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 975fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 976fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 977fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 9786a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 979b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 980dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 98139c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 98239c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson 983b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 984b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 985b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 986b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<std::string, 4> Names; 987b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Constraints; 988ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek llvm::SmallVector<Stmt*, 4> Exprs; 989b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 990b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Clobbers; 991fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 992dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson AsmStmt(SourceLocation asmloc, bool issimple, bool isvolatile, 993dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson unsigned numoutputs, unsigned numinputs, 994dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson std::string *names, StringLiteral **constraints, 995db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 996db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 997b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 998cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 999cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty) { } 1000cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1001cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 1002cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 1003cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 1004cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 1005cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 100639c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 1007cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 1008dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 1009cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setSimple(bool V) { IsSimple = false; } 1010dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 1011458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 1012458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1013458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 1014458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 1015cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 1016cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1017458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 1018458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1019458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1020458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1021458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1022458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1023458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1024458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1025458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1026458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1027458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1028458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1029458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1030458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1031458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1032458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1033458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1034458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1035458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1036458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1037458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1038458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 1039458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1040458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1041458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1042458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1043458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1044458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1045458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1046458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1047458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1048458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1049458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1050458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1051458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1052458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1053458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1054458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1055458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1056458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1057458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1058458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1059458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1060458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1061458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 1062458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1063fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1064fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 1065458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1066458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1067b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1068b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1069b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1070ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1071ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getOutputName(unsigned i) const { 1072ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1073ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1074ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1075b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1076b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1077b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1078b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getOutputConstraint(unsigned i) const; 1079b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1080b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1081ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1082ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1083b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1084b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1085b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1086b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1087b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1088ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 1089b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1090b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1091b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1092b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1093b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1094b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1095b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1096b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1097b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1098b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1099b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1100b327793860737d1c103a73aeda8057dd628a101dChris Lattner 110185759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 110285759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 110385759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 110485759278332404e96d4bb89d0e976e46158cd026Chris Lattner 1105b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 1106b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1107b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumInputs() const { return NumInputs; } 1108ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1109ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getInputName(unsigned i) const { 1110ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1111ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1112b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1113b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1114b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1115b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getInputConstraint(unsigned i) const; 1116b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1117b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1118ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1119ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1120b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1121ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1122ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1123b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1124b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1125ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1126b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1127b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1128b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1129b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1130cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1131cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setOutputsAndInputs(unsigned NumOutputs, 1132cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor unsigned NumInputs, 1133cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor const std::string *Names, 1134cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor StringLiteral **Constraints, 1135cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor Stmt **Exprs); 1136cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 113710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 113810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 113910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 114010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 114110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 114210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner int getNamedOperand(const std::string &SymbolicName) const; 114310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 114410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1145d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson 1146b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumClobbers() const { return Clobbers.size(); } 1147b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1148d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1149cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setClobbers(StringLiteral **Clobbers, unsigned NumClobbers); 1150cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1151fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1152fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1153fe795956194141c91ae555985c9b930595bff43fChris Lattner } 1154fe795956194141c91ae555985c9b930595bff43fChris Lattner 1155fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1156fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 1157fe795956194141c91ae555985c9b930595bff43fChris Lattner 1158ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 1159ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1160ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1161ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 1162ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1163ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1164ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1165ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1166ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1167ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1168ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs; 1169ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1170ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1171ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1172ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1173ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1174ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1175ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1176ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs;} 1177ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1178ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 1179ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1180ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1181ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 1182ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1183ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek outputs_iterator begin_outputs() { return &Exprs[0]; } 1184ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek outputs_iterator end_outputs() { return &Exprs[0] + NumOutputs; } 1185ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1186ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek const_outputs_iterator begin_outputs() const { return &Exprs[0]; } 1187ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_outputs_iterator end_outputs() const { return &Exprs[0] + NumOutputs; } 1188ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 118945b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson // Input name iterator. 119045b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 119145b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *begin_output_names() const { 119245b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0]; 119345b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 119445b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 119545b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *end_output_names() const { 119645b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0] + NumOutputs; 119745b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 119845b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 1199ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Child iterators 1200ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1201fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1202fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 1203fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 120478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1208