Stmt.h revision 7e24e82a70a2c681f4291a3397bcd1e1005f251a
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" 240a449eed1dd2439b4b9c0a6291084816eab390c1Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 266e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 30e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 337ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 344b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 360c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 376a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 386c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 3942a509f6a4f71bb805cc4abbb26722a34dffdddeTed Kremenek class PrinterHelper; 40ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 41ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 42ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator() : I(0) {} 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 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 bool operator>=(const ExprIterator& R) const { return I >= R.I; } 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt* const * I; 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator(Stmt* const* i) : I(i) {} 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator() : I(0) {} 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 75ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator+(size_t i) { return I+i; } 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator-(size_t i) { return I-i; } 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 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 bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 96f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 97f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_STMT(CLASS) firstStmtConstant = CLASS##Class, 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_STMT(CLASS) lastStmtConstant = CLASS##Class, 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_EXPR(CLASS) firstExprConstant = CLASS##Class, 101f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_EXPR(CLASS) lastExprConstant = CLASS##Class 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/StmtNodes.def" 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const StmtClass sClass; 1068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // or by doing a placement new. 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 1268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 133e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 134e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, ASTContext& C) throw() { } 135e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, ASTContext& C, unsigned alignment) throw() { } 136e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 137e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 1389c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1399c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1409c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 14127f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1429c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt(StmtClass SC) : sClass(SC) { 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 14827f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 14924e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner virtual void Destroy(ASTContext &Ctx); 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StmtClass getStmtClass() const { return sClass; } 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 153b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 154b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 155b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 156b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 157b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 158311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 159311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool CollectingStats(bool enable=false); 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 1656000dace22f110d8768476989313e9d981d690d0Chris Lattner 1666000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 1676000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 1686000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 170e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 1716000dace22f110d8768476989313e9d981d690d0Chris Lattner 1726000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 1736000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 174e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 1756000dace22f110d8768476989313e9d981d690d0Chris Lattner 1766000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 1776000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 1786000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpPretty() const; 179071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper* = NULL, unsigned = 0, 180071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump bool NoIndent=false) const; 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 182d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 183d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 184d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 185d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 1878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek static bool classof(const Stmt *) { return true; } 18877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 189d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 190d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 191d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 192d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 193d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 194d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 195d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 19677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 19777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 19877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 1999caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2009caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 20177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 2028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 20477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 20577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2069caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 20777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 20877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 20977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2109caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 21177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2122dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 2132dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek void Emit(llvm::Serializer& S) const; 214e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static Stmt* Create(llvm::Deserializer& D, ASTContext& C); 215e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop 216ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const { 2172dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek // This method will eventually be a pure-virtual function. 2182dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek assert (false && "Not implemented."); 2192dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek } 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// and declarations (variables, types). Another example is ForStmt, where 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 22865aa3b9fda7b2114f708014e3d42176abc0e39abTed Kremenekprotected: 2299653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 23081c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2329653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 2338ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 2348ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2368e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek virtual void Destroy(ASTContext& Ctx); 2378e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek 2387e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 239fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 2407e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 241fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 2428ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 243655137a6c19110620d82d5f03cdcaec3a48c059fTed Kremenek 2447e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 2457e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner Decl *getSingleDecl() { return DG.getSingleDecl(); } 246b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 24781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 24881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 2498ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek 2508ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 25181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 25281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclStmtClass; 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 2588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 25914f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 2608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 2618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 2620965f446e7685dc01fc0b5e718610530eed3cc63Ted Kremenek 26314f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek class decl_iterator { 2648ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek DeclGroupRef::iterator I; 26514f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek public: 2668ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator(DeclGroupRef::iterator i) : I(i) {} 2678ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator& operator++() { ++I; return *this; } 2688ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek bool operator==(const decl_iterator& R) const { 2698ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek return R.I == I; 2708ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 2718ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek bool operator!=(const decl_iterator& R) const { 2728ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek return R.I != I; 2738ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 2744afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor Decl* operator*() const { 275d311f376c364e5a6c88b63b1d5c53f560ea5e650Argyrios Kyrtzidis return *I; 2768ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 27714f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek }; 2788ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek 2798a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek class const_decl_iterator { 2808ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek DeclGroupRef::const_iterator I; 2818a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek public: 2828ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator(DeclGroupRef::const_iterator i) : I(i) {} 2838ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator& operator++() { ++I; return *this; } 2848ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek bool operator==(const const_decl_iterator& R) const { 2858ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek return R.I == I; 2868a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek } 2878ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek bool operator!=(const const_decl_iterator& R) const { 2888ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek return R.I != I; 2898a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek } 2904afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor Decl* operator*() const { 291d311f376c364e5a6c88b63b1d5c53f560ea5e650Argyrios Kyrtzidis return *I; 2928a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek } 2938a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek }; 2948a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 2958ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 2968ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 2978ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 2988ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 2998a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 30014f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Serialization. 301ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 302e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DeclStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 313b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 314507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == NullStmtClass; 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3244927be6102784fc69c50234f7e2253283b3e99e4Ted Kremenek 325ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 326e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static NullStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 334b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 339026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 340026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 341026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 342026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 343026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner 344026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 345026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 3498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3508189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 3518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 3528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 3538189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3558189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 3568189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 3578189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 3588189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 3598189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3608189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 3618189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 3628189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 3638189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3648189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 3658189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 3668189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3674ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3688189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 3698189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 3704ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3718189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 3728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 3738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 374b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 3758189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 3768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 3778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 379b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 380b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(LBracLoc, RBracLoc); 381b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 38254395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 383cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 384cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 38554395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CompoundStmtClass; 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 3908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3942dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 395ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 396e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 399c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 400c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 401103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 402c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 403c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 404c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 405103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 406d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 407c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 408c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 409c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 410c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 411c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 412c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 413c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 414d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 415d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 416b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 417b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 418edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek 419c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const Stmt *T) { 420c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson return T->getStmtClass() == CaseStmtClass || 421c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 422c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 423c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 4243fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 4253fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() = 0; 426c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 427c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 428c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 429d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 430d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 431d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 432b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 4333fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 43524e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc) 436d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 43724e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 438d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 439d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 440b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 441d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 443764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 444764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner 445d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 446d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 447d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 44851b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getLHS() const { 44951b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[LHS]); 45051b09f2c528c8460b5465c676173324e44176d62Devang Patel } 45151b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getRHS() const { 45251b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[RHS]); 45351b09f2c528c8460b5465c676173324e44176d62Devang Patel } 45451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 45620dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 45720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 45820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 45920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 46020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 4613fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 4623fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 4633fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 46491ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 4653fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 4663fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner 4673fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 468b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CaseStmtClass; 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 473d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 474d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 475d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 476d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 4779eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 478ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 479e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CaseStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 482c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 483d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 4846c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 4853fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 487edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek DefaultStmt(SourceLocation DL, Stmt *substmt) : 488d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL) {} 489b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 490d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 49151b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 492d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 4936c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 495b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 496b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 497b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DefaultStmtClass; 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 502d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 503d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 504d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 505d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5069eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 507ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 508e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DefaultStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 514b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 516b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 517b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(LabelStmtClass), Label(label), 518b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 528b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 529b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 530b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IdentLoc, SubStmt->getLocEnd()); 531b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == LabelStmtClass; 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 5368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 540b15132fda52046ba65eafd6f4b448f7aa16b7e8dTed Kremenek 541ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 542e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static LabelStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 5498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 5508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 551b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 553b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfStmt(SourceLocation IL, Expr *cond, Stmt *then, Stmt *elsev = 0) 554b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(IfStmtClass) { 5558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 5568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 5578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 558b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfLoc = IL; 5598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 5628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 5638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 5668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 5678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 568b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 569b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 570b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 571b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 572b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 573b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 574b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IfStmtClass; 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 5808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 5844210f3dfd73ad3482f9cfa0a382e1fd78f22976dTed Kremenek 585ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 586e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IfStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 5928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 5938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 594c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 595c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 5969dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SwitchStmt(Expr *cond) : Stmt(SwitchStmtClass), FirstCase(0) { 5998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = NULL; 6018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 605c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 606c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 6078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 609c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 610c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 6119dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff void setBody(Stmt *S, SourceLocation SL) { 6129dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SubExprs[BODY] = S; 6139dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 6149dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 615c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 616c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson if (FirstCase) 617c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SC->setNextSwitchCase(FirstCase); 618c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 619c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 620c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 6219dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff virtual SourceRange getSourceRange() const { 6229dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 6239dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SwitchStmtClass; 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 6288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6329eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 633ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 634e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static SwitchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 6395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 6418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 643b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 645b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileStmt(Expr *cond, Stmt *body, SourceLocation WL) : Stmt(WhileStmtClass) { 6468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 648b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 6498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 6548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 655b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 656b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 657b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 658b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == WhileStmtClass; 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 6638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6675572b94b76a78a35bac32d1ef04907c7a651adbaTed Kremenek 668ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 669e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static WhileStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 6758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 677b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 679b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoStmt(Stmt *body, Expr *cond, SourceLocation DL) 680b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(DoStmtClass), DoLoc(DL) { 6818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 683b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoLoc = DL; 6848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 6898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 690b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 691b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 692b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DoLoc, SubExprs[BODY]->getLocEnd()); 693b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DoStmtClass; 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 6988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 702e3299ef345bb8a71901108bf83a824591eae6c1aTed Kremenek 703ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 704e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 7138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 7148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 715b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 717b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForStmt(Stmt *Init, Expr *Cond, Expr *Inc, Stmt *Body, SourceLocation FL) 718b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(ForStmtClass) { 719af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 720af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 721af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 722af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 723b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForLoc = FL; 724af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 7278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 7328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 735b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 736b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 737b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 738b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ForStmtClass; 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 7438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 74707ba046c7d7bbc1f42b86b3ed012eec8fc7849daTed Kremenek 748ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 749e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ForStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7510196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 756507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 75761f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 75961f62165220e75694fe333179c78815e2e48d71fTed Kremenek GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 76061f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 763b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 764507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 76561f62165220e75694fe333179c78815e2e48d71fTed Kremenek return SourceRange(GotoLoc, LabelLoc); 766507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == GotoStmtClass; 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 7718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7753f0767b74b16b37bcce60ff457609161a0665784Ted Kremenek 776ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 777e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static GotoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 7831060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 784225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek // FIXME: Add location information (e.g. SourceLocation objects). 785225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek // When doing so, update the serialization routines. 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7871060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek IndirectGotoStmt(Expr *target) : Stmt(IndirectGotoStmtClass), 7881060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Target((Stmt*)target){} 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7901060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 7911060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 792b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 793b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IndirectGotoStmtClass; 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 7998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 803225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek 804ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 805e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IndirectGotoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 812507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 814507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 815b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 816507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 817507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff return SourceRange(ContinueLoc); 818507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ContinueStmtClass; 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 8238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 82796f22423c52c22d263b4e5f7ee762122b607459eTed Kremenek 828ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 829e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ContinueStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 835507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 8365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 837507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 838b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 839507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 840b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == BreakStmtClass; 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 8458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8499eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 850ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 851e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static BreakStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 855c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 856c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 857c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 858c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 859c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 860c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 861c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 862c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 8651060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 866507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 868507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ReturnStmt(SourceLocation RL, Expr *E = 0) : Stmt(ReturnStmtClass), 8691060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek RetExpr((Stmt*) E), RetLoc(RL) {} 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8711060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 8721060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 873b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 874507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ReturnStmtClass; 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 8808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8842dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 885ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 886e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ReturnStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 889fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 890fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 891fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 892fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 8936a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 894b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 895dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 89639c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 89739c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson 898b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 899b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 900b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 901b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<std::string, 4> Names; 902b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Constraints; 903ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek llvm::SmallVector<Stmt*, 4> Exprs; 904b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 905b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Clobbers; 906fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 907dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson AsmStmt(SourceLocation asmloc, bool issimple, bool isvolatile, 908dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson unsigned numoutputs, unsigned numinputs, 909dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson std::string *names, StringLiteral **constraints, 910db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 911db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 912b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 91339c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 914dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 915dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 916458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 917458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 918458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 919458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 920458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 921458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 922458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 923458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 924458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 925458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 926458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 927458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 928458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 929458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 930458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 931458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 932458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 933458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 934458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 935458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 936458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 937458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 938458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 939458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 940458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 941458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 942458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 943458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 944458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 945458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 946458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 947458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 948458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 949458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 950458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 951458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 952458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 953458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 954458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 955458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 956458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 957458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 958458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 959458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 960458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 961458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 962458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 963458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 964458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 965458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 966458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //// flattening of named references like %[foo] to Operand AsmStringPiece's. 967fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 968fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 969458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 970458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 971b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 972b327793860737d1c103a73aeda8057dd628a101dChris Lattner 973b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 974ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 975ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getOutputName(unsigned i) const { 976ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 977ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 978ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 979b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 980b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 981b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 982b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getOutputConstraint(unsigned i) const; 983b327793860737d1c103a73aeda8057dd628a101dChris Lattner 984b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 985ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 986ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 987b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 988b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 989b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 990b327793860737d1c103a73aeda8057dd628a101dChris Lattner 991b327793860737d1c103a73aeda8057dd628a101dChris Lattner 992ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 993b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 994b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 995b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 996b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 997b327793860737d1c103a73aeda8057dd628a101dChris Lattner 998b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 999b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1000b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1001b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1002b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1003b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1004b327793860737d1c103a73aeda8057dd628a101dChris Lattner 100585759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 100685759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 100785759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 100885759278332404e96d4bb89d0e976e46158cd026Chris Lattner 1009b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 1010b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1011b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumInputs() const { return NumInputs; } 1012ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1013ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getInputName(unsigned i) const { 1014ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1015ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1016b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1017b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1018b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1019b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getInputConstraint(unsigned i) const; 1020b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1021b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1022ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1023ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1024b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1025ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1026ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1027b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1028b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1029ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1030b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1031b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1032b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1033b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 103410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 103510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 103610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 103710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 103810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 103910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 104010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner int getNamedOperand(const std::string &SymbolicName) const; 104110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 104210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1043d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson 1044b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumClobbers() const { return Clobbers.size(); } 1045b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1046d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1047b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1048fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1049fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1050fe795956194141c91ae555985c9b930595bff43fChris Lattner } 1051fe795956194141c91ae555985c9b930595bff43fChris Lattner 1052fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1053fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 1054fe795956194141c91ae555985c9b930595bff43fChris Lattner 1055ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 1056ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1057ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1058ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 1059ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1060ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1061ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1062ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1063ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1064ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1065ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs; 1066ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1067ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1068ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1069ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1070ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1071ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1072ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1073ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs;} 1074ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1075ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 1076ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1077ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1078ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 1079ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1080ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek outputs_iterator begin_outputs() { return &Exprs[0]; } 1081ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek outputs_iterator end_outputs() { return &Exprs[0] + NumOutputs; } 1082ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1083ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek const_outputs_iterator begin_outputs() const { return &Exprs[0]; } 1084ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_outputs_iterator end_outputs() const { return &Exprs[0] + NumOutputs; } 1085ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 108645b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson // Input name iterator. 108745b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 108845b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *begin_output_names() const { 108945b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0]; 109045b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 109145b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 109245b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *end_output_names() const { 109345b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0] + NumOutputs; 109445b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 109545b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 1096ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Child iterators 1097ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1098fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1099fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 11001f85acd5ff54345788b93111197088160fe9f06eTed Kremenek 11011f85acd5ff54345788b93111197088160fe9f06eTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1102e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static AsmStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1103fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 110478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 110578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// ObjCForCollectionStmt - This represents Objective-c's collection statement; 110678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// represented as 'for (element 'in' collection-expression)' stmt. 110778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// 110878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenekclass ObjCForCollectionStmt : public Stmt { 110978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek enum { ELEM, COLLECTION, BODY, END_EXPR }; 111078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[ELEM] is an expression or declstmt. 111178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation ForLoc; 111278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation RParenLoc; 111378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenekpublic: 111478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek ObjCForCollectionStmt(Stmt *Elem, Expr *Collect, Stmt *Body, 111578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation FCL, SourceLocation RPL); 111678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 111778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt *getElement() { return SubExprs[ELEM]; } 111878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Expr *getCollection() { 111978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return reinterpret_cast<Expr*>(SubExprs[COLLECTION]); 112078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 112178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt *getBody() { return SubExprs[BODY]; } 112278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 112378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Stmt *getElement() const { return SubExprs[ELEM]; } 112478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Expr *getCollection() const { 112578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return reinterpret_cast<Expr*>(SubExprs[COLLECTION]); 112678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 112778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 112878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 112978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation getRParenLoc() const { return RParenLoc; } 113078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 113178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual SourceRange getSourceRange() const { 113278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 113378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 113478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek static bool classof(const Stmt *T) { 113578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return T->getStmtClass() == ObjCForCollectionStmtClass; 113678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 113778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek static bool classof(const ObjCForCollectionStmt *) { return true; } 113878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 113978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek // Iterators 114078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual child_iterator child_begin(); 114178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual child_iterator child_end(); 114278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 114378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1144e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCForCollectionStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 114578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek}; 1146b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1147a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtCatchStmt - This represents objective-c's @catch statement. 1148a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtCatchStmt : public Stmt { 1149b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianprivate: 11507ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff enum { BODY, NEXT_CATCH, END_EXPR }; 11517ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *ExceptionDecl; 11523b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian Stmt *SubExprs[END_EXPR]; 1153b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SourceLocation AtCatchLoc, RParenLoc; 1154af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1155af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek // Used by deserialization. 1156a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc) 1157a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtCatchStmtClass), AtCatchLoc(atCatchLoc), RParenLoc(rparenloc) {} 1158af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1159b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianpublic: 1160a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc, 11617ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *catchVarDecl, 116293b2bdb866d49e3dab4623a822db281042e87382Daniel Dunbar Stmt *atCatchStmt, Stmt *atCatchList); 1163b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1164606efdfeb9eef70871eb62a26dfd115e209e899cFariborz Jahanian const Stmt *getCatchBody() const { return SubExprs[BODY]; } 1165606efdfeb9eef70871eb62a26dfd115e209e899cFariborz Jahanian Stmt *getCatchBody() { return SubExprs[BODY]; } 1166ff981021554a4965943ca2d19019cea811614602Ted Kremenek 1167ff981021554a4965943ca2d19019cea811614602Ted Kremenek const ObjCAtCatchStmt *getNextCatchStmt() const { 1168ff981021554a4965943ca2d19019cea811614602Ted Kremenek return static_cast<const ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]); 1169ff981021554a4965943ca2d19019cea811614602Ted Kremenek } 1170ff981021554a4965943ca2d19019cea811614602Ted Kremenek ObjCAtCatchStmt *getNextCatchStmt() { 1171ff981021554a4965943ca2d19019cea811614602Ted Kremenek return static_cast<ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]); 1172ff981021554a4965943ca2d19019cea811614602Ted Kremenek } 1173ff981021554a4965943ca2d19019cea811614602Ted Kremenek 11747ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff const ParmVarDecl *getCatchParamDecl() const { 11757ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff return ExceptionDecl; 11767ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } 11777ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *getCatchParamDecl() { 11787ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff return ExceptionDecl; 117993b2bdb866d49e3dab4623a822db281042e87382Daniel Dunbar } 11807794cb85d394750db0631c02b7aa7837ae56764cFariborz Jahanian 11817573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation getRParenLoc() const { return RParenLoc; } 11827573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 1183b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual SourceRange getSourceRange() const { 11843b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian return SourceRange(AtCatchLoc, SubExprs[BODY]->getLocEnd()); 1185b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1186be4b3332c2d17c03af6d015d9e8e2cc524806e6eSteve Naroff 11877ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff bool hasEllipsis() const { return getCatchParamDecl() == 0; } 1188be4b3332c2d17c03af6d015d9e8e2cc524806e6eSteve Naroff 1189b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian static bool classof(const Stmt *T) { 1190a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtCatchStmtClass; 1191b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1192a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtCatchStmt *) { return true; } 1193b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1194b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_begin(); 1195b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_end(); 1196af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1197af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1198e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtCatchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1199b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1200b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1201a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtFinallyStmt - This represent objective-c's @finally Statement 1202a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtFinallyStmt : public Stmt { 120304be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek Stmt *AtFinallyStmt; 120404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek SourceLocation AtFinallyLoc; 120504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenekpublic: 1206a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtFinallyStmt(SourceLocation atFinallyLoc, Stmt *atFinallyStmt) 1207a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtFinallyStmtClass), 120804be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek AtFinallyStmt(atFinallyStmt), AtFinallyLoc(atFinallyLoc) {} 12097794cb85d394750db0631c02b7aa7837ae56764cFariborz Jahanian 121004be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek const Stmt *getFinallyBody () const { return AtFinallyStmt; } 121104be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek Stmt *getFinallyBody () { return AtFinallyStmt; } 121204be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 121304be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual SourceRange getSourceRange() const { 121404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek return SourceRange(AtFinallyLoc, AtFinallyStmt->getLocEnd()); 121504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek } 121604be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 121704be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek static bool classof(const Stmt *T) { 1218a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtFinallyStmtClass; 121904be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek } 1220a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtFinallyStmt *) { return true; } 122104be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 122204be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual child_iterator child_begin(); 122304be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual child_iterator child_end(); 122404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 122504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1226e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtFinallyStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1227b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1228b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1229a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtTryStmt - This represent objective-c's over-all 1230b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian/// @try ... @catch ... @finally statement. 1231a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtTryStmt : public Stmt { 1232b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianprivate: 123389079eac7d6e3091b74b477a4a5ff0cdaf35496cFariborz Jahanian enum { TRY, CATCH, FINALLY, END_EXPR }; 123489079eac7d6e3091b74b477a4a5ff0cdaf35496cFariborz Jahanian Stmt* SubStmts[END_EXPR]; 1235b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 12369c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek SourceLocation AtTryLoc; 1237b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianpublic: 1238a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtTryStmt(SourceLocation atTryLoc, Stmt *atTryStmt, 1239bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian Stmt *atCatchStmt, 1240bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian Stmt *atFinallyStmt) 1241a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtTryStmtClass) { 1242b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[TRY] = atTryStmt; 1243b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[CATCH] = atCatchStmt; 1244b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[FINALLY] = atFinallyStmt; 1245ccdbc5c6f14965d91a352d114c109a9d4d9552b8Steve Naroff AtTryLoc = atTryLoc; 1246b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1247b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 12488aab17e82aab6b3f266ef1884253226d2cb8b8d8Fariborz Jahanian const Stmt *getTryBody() const { return SubStmts[TRY]; } 12498aab17e82aab6b3f266ef1884253226d2cb8b8d8Fariborz Jahanian Stmt *getTryBody() { return SubStmts[TRY]; } 1250a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCAtCatchStmt *getCatchStmts() const { 1251a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 12527573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1253a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt *getCatchStmts() { 1254a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 12557573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1256a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCAtFinallyStmt *getFinallyStmt() const { 1257a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 12587573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1259a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtFinallyStmt *getFinallyStmt() { 1260a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 12617573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1262b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual SourceRange getSourceRange() const { 1263b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return SourceRange(AtTryLoc, SubStmts[TRY]->getLocEnd()); 1264b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1265b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1266b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian static bool classof(const Stmt *T) { 1267a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtTryStmtClass; 1268b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1269a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtTryStmt *) { return true; } 1270b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1271b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_begin(); 1272b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_end(); 12739c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek 12749c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1275e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtTryStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1276b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1277fe795956194141c91ae555985c9b930595bff43fChris Lattner 1278c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// ObjCAtSynchronizedStmt - This is for objective-c's @synchronized statement. 127978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// Example: @synchronized (sem) { 1280bd144b7ac70cc96cb1ff822347c2bb9b330729ecFariborz Jahanian/// do-something; 128178a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// } 1282c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 1283c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianclass ObjCAtSynchronizedStmt : public Stmt { 1284c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianprivate: 1285a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian enum { SYNC_EXPR, SYNC_BODY, END_EXPR }; 1286a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Stmt* SubStmts[END_EXPR]; 1287c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian SourceLocation AtSynchronizedLoc; 1288c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1289c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianpublic: 1290a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian ObjCAtSynchronizedStmt(SourceLocation atSynchronizedLoc, Stmt *synchExpr, 1291c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian Stmt *synchBody) 1292a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian : Stmt(ObjCAtSynchronizedStmtClass) { 1293a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SubStmts[SYNC_EXPR] = synchExpr; 1294a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SubStmts[SYNC_BODY] = synchBody; 1295a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian AtSynchronizedLoc = atSynchronizedLoc; 1296a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1297c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 129878a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian const CompoundStmt *getSynchBody() const { 129978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]); 130078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 130178a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian CompoundStmt *getSynchBody() { 130278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]); 130378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 1304c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1305a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const Expr *getSynchExpr() const { 1306a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 1307a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1308a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Expr *getSynchExpr() { 1309a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 1310a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1311c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1312c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian virtual SourceRange getSourceRange() const { 1313a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return SourceRange(AtSynchronizedLoc, getSynchBody()->getLocEnd()); 1314c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian } 1315c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1316c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian static bool classof(const Stmt *T) { 1317c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian return T->getStmtClass() == ObjCAtSynchronizedStmtClass; 1318c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian } 1319c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian static bool classof(const ObjCAtSynchronizedStmt *) { return true; } 1320c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1321fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian virtual child_iterator child_begin(); 1322fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian virtual child_iterator child_end(); 1323fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian 1324c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian virtual void EmitImpl(llvm::Serializer& S) const; 1325e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtSynchronizedStmt* CreateImpl(llvm::Deserializer& D, 1326e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop ASTContext& C); 1327c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian}; 1328c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1329a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtThrowStmt - This represents objective-c's @throw statement. 1330a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtThrowStmt : public Stmt { 133139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Stmt *Throw; 133239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian SourceLocation AtThrowLoc; 133339f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanianpublic: 1334a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtThrowStmt(SourceLocation atThrowLoc, Stmt *throwExpr) 1335a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtThrowStmtClass), Throw(throwExpr) { 133639f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian AtThrowLoc = atThrowLoc; 133739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 133839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 1339e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const Expr *getThrowExpr() const { return reinterpret_cast<Expr*>(Throw); } 1340e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner Expr *getThrowExpr() { return reinterpret_cast<Expr*>(Throw); } 134139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 134220ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff virtual SourceRange getSourceRange() const { 134320ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff if (Throw) 134420ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff return SourceRange(AtThrowLoc, Throw->getLocEnd()); 1345db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner else 1346db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner return SourceRange(AtThrowLoc); 134739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 134839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 134939f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian static bool classof(const Stmt *T) { 1350a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtThrowStmtClass; 135139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 1352a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtThrowStmt *) { return true; } 135339f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 135439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian virtual child_iterator child_begin(); 135539f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian virtual child_iterator child_end(); 13565bdd4e300b432246b9d261702828e9875414128bTed Kremenek 13575bdd4e300b432246b9d261702828e9875414128bTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1358e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtThrowStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 135939f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian}; 136039f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 13614b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl/// CXXCatchStmt - This represents a C++ catch block. 13624b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redlclass CXXCatchStmt : public Stmt { 13634b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl SourceLocation CatchLoc; 13644b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl /// The exception-declaration of the type. 13654b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Decl *ExceptionDecl; 13664b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl /// The handler block. 13674b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Stmt *HandlerBlock; 13684b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13694b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redlpublic: 13704b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl CXXCatchStmt(SourceLocation catchLoc, Decl *exDecl, Stmt *handlerBlock) 13714b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl : Stmt(CXXCatchStmtClass), CatchLoc(catchLoc), ExceptionDecl(exDecl), 13724b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl HandlerBlock(handlerBlock) {} 13734b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13744b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual void Destroy(ASTContext& Ctx); 13754b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13764b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual SourceRange getSourceRange() const { 13774b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl return SourceRange(CatchLoc, HandlerBlock->getLocEnd()); 13784b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl } 13794b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13804b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Decl *getExceptionDecl() { return ExceptionDecl; } 13814b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl QualType getCaughtType(); 13824b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Stmt *getHandlerBlock() { return HandlerBlock; } 13834b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13844b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static bool classof(const Stmt *T) { 13854b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl return T->getStmtClass() == CXXCatchStmtClass; 13864b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl } 13874b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static bool classof(const CXXCatchStmt *) { return true; } 13884b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13894b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual child_iterator child_begin(); 13904b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual child_iterator child_end(); 13914b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13924b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 13934b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static CXXCatchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 13944b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl}; 13954b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13968351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl/// CXXTryStmt - A C++ try block, including all handlers. 13978351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redlclass CXXTryStmt : public Stmt { 13988351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl SourceLocation TryLoc; 13998351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl // First place is the guarded CompoundStatement. Subsequent are the handlers. 14008351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl // More than three handlers should be rare. 14018351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl llvm::SmallVector<Stmt*, 4> Stmts; 14028351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14038351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redlpublic: 14048351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CXXTryStmt(SourceLocation tryLoc, Stmt *tryBlock, 14058351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl Stmt **handlers, unsigned numHandlers); 14068351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14078351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual SourceRange getSourceRange() const { 14088351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return SourceRange(TryLoc, Stmts.back()->getLocEnd()); 14098351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14108351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14118351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CompoundStmt *getTryBlock() { return llvm::cast<CompoundStmt>(Stmts[0]); } 14128351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl const CompoundStmt *getTryBlock() const { 14138351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CompoundStmt>(Stmts[0]); 14148351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14158351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14168351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl unsigned getNumHandlers() const { return Stmts.size() - 1; } 14178351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CXXCatchStmt *getHandler(unsigned i) { 14188351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CXXCatchStmt>(Stmts[i + 1]); 14198351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14208351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl const CXXCatchStmt *getHandler(unsigned i) const { 14218351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CXXCatchStmt>(Stmts[i + 1]); 14228351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14238351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14248351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static bool classof(const Stmt *T) { 14258351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return T->getStmtClass() == CXXTryStmtClass; 14268351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14278351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static bool classof(const CXXTryStmt *) { return true; } 14288351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14298351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual child_iterator child_begin(); 14308351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual child_iterator child_end(); 14318351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14328351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 14338351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static CXXTryStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 14348351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl}; 14358351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1439