Stmt.h revision fb523e16dd1f860ff02a3ae03e5e3e25327a5860
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 134fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 135fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 136e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 137fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 138e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 1399c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1409c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1419c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 14227f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1439c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt(StmtClass SC) : sClass(SC) { 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 14927f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 15024e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner virtual void Destroy(ASTContext &Ctx); 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StmtClass getStmtClass() const { return sClass; } 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 154b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 155b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 156b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 157b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 158b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 159311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 160311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool CollectingStats(bool enable=false); 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 1666000dace22f110d8768476989313e9d981d690d0Chris Lattner 1676000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 1686000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 1696000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 171e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 1726000dace22f110d8768476989313e9d981d690d0Chris Lattner 1736000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 1746000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 175e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 1766000dace22f110d8768476989313e9d981d690d0Chris Lattner 1776000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 1786000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 1796000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpPretty() const; 180071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper* = NULL, unsigned = 0, 181071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump bool NoIndent=false) const; 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 183d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 184d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 185d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 186d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 1888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek static bool classof(const Stmt *) { return true; } 18977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 190d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 191d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 192d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 193d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 194d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 195d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 196d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 19777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 19877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 19977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2009caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2019caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 20277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 2038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 20577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 20677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2079caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 20877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 20977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 21077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2119caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 21277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2132dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 2142dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek void Emit(llvm::Serializer& S) const; 215e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static Stmt* Create(llvm::Deserializer& D, ASTContext& C); 216e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop 217ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const { 2182dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek // This method will eventually be a pure-virtual function. 2192dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek assert (false && "Not implemented."); 2202dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek } 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// and declarations (variables, types). Another example is ForStmt, where 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 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(); } 246e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner 247e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 248e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 249b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 25081c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 25181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 2528ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek 2538ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 25481c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 25581c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclStmtClass; 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 2618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 26214f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 2638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 2648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 2650965f446e7685dc01fc0b5e718610530eed3cc63Ted Kremenek 2660632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 2670632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 2688a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 2698ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 2708ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 2718ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 2728ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 2738a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 27414f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Serialization. 275ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 276e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DeclStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 287b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 288507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == NullStmtClass; 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 2948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 2958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 2968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 2978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 2984927be6102784fc69c50234f7e2253283b3e99e4Ted Kremenek 299ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 300e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static NullStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 308b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 313026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 314026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 315026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 316026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 317026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner 318026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 319026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 3238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 3258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 3268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 3278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 3308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 3318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 3328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 3338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3348189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 3358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 3368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 3378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 3398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 3408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3414ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 3438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 3444ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3458189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 3468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 3478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 348b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 3498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 3508189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 3518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 353b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 354b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(LBracLoc, RBracLoc); 355b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 35654395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 357cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 358cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 35954395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CompoundStmtClass; 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 3648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3682dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 369ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 370e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 373c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 374c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 375103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 376c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 377c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 378c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 379103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 380d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 381c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 382c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 383c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 384c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 385c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 386c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 387c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 388d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 389d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 390b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 391b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 392edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek 393c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const Stmt *T) { 394c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson return T->getStmtClass() == CaseStmtClass || 395c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 396c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 397c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 3983fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 3993fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() = 0; 400c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 401c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 402c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 403d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 404d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 405d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 406b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 4073fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 40924e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc) 410d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 41124e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 412d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 413d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 414b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 415d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 417764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 418764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner 419d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 420d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 421d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 42251b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getLHS() const { 42351b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[LHS]); 42451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 42551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getRHS() const { 42651b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[RHS]); 42751b09f2c528c8460b5465c676173324e44176d62Devang Patel } 42851b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 43020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 43120dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 43220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 43320dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 43420dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 4353fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 4363fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 4373fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 43891ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 4393fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 4403fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner 4413fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 442b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CaseStmtClass; 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 447d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 448d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 449d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 450d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 4519eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 452ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 453e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CaseStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 456c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 457d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 4586c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 4593fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 461edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek DefaultStmt(SourceLocation DL, Stmt *substmt) : 462d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL) {} 463b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 464d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 46551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 466d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 4676c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 469b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 470b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 471b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DefaultStmtClass; 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 476d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 477d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 478d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 479d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 4809eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 481ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 482e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DefaultStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 488b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 490b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 491b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(LabelStmtClass), Label(label), 492b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 4935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 502b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 503b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 504b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IdentLoc, SubStmt->getLocEnd()); 505b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == LabelStmtClass; 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 5108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 514b15132fda52046ba65eafd6f4b448f7aa16b7e8dTed Kremenek 515ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 516e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static LabelStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 5238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 5248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 525b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 527b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfStmt(SourceLocation IL, Expr *cond, Stmt *then, Stmt *elsev = 0) 528b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(IfStmtClass) { 5298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 5308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 5318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 532b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfLoc = IL; 5338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 5368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 5378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 5408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 5418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 542b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 543b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 544b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 545b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 546b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 547b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 548b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IfStmtClass; 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 5548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 5584210f3dfd73ad3482f9cfa0a382e1fd78f22976dTed Kremenek 559ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 560e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IfStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 5668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 5678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 568c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 569c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 5709dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SwitchStmt(Expr *cond) : Stmt(SwitchStmtClass), FirstCase(0) { 5738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 5748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = NULL; 5758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 5788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 579c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 580c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 5818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 5828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 583c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 584c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 5859dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff void setBody(Stmt *S, SourceLocation SL) { 5869dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SubExprs[BODY] = S; 5879dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 5889dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 589c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 590c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson if (FirstCase) 591c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SC->setNextSwitchCase(FirstCase); 592c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 593c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 594c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 5959dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff virtual SourceRange getSourceRange() const { 5969dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 5979dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SwitchStmtClass; 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 6028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6069eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 607ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 608e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static SwitchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 6158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 617b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 619b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileStmt(Expr *cond, Stmt *body, SourceLocation WL) : Stmt(WhileStmtClass) { 6208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 622b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 6238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 6288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 629b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 630b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 631b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 632b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == WhileStmtClass; 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 6378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6415572b94b76a78a35bac32d1ef04907c7a651adbaTed Kremenek 642ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 643e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static WhileStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 6498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 651b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 653b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoStmt(Stmt *body, Expr *cond, SourceLocation DL) 654b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(DoStmtClass), DoLoc(DL) { 6558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 657b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoLoc = DL; 6588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 6638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 664b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 665b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 666b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DoLoc, SubExprs[BODY]->getLocEnd()); 667b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DoStmtClass; 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 6728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 676e3299ef345bb8a71901108bf83a824591eae6c1aTed Kremenek 677ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 678e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 6845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 6878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 6888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 689b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 691b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForStmt(Stmt *Init, Expr *Cond, Expr *Inc, Stmt *Body, SourceLocation FL) 692b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(ForStmtClass) { 693af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 694af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 695af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 696af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 697b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForLoc = FL; 698af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 7018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 7068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 709b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 710b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 711b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 712b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ForStmtClass; 7155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 7178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 72107ba046c7d7bbc1f42b86b3ed012eec8fc7849daTed Kremenek 722ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 723e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ForStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7250196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 730507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 73161f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 73361f62165220e75694fe333179c78815e2e48d71fTed Kremenek GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 73461f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 737b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 738507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 73961f62165220e75694fe333179c78815e2e48d71fTed Kremenek return SourceRange(GotoLoc, LabelLoc); 740507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == GotoStmtClass; 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 7458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7493f0767b74b16b37bcce60ff457609161a0665784Ted Kremenek 750ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 751e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static GotoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 7571060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 758225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek // FIXME: Add location information (e.g. SourceLocation objects). 759225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek // When doing so, update the serialization routines. 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7611060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek IndirectGotoStmt(Expr *target) : Stmt(IndirectGotoStmtClass), 7621060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Target((Stmt*)target){} 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7641060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 7651060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 766b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 767b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IndirectGotoStmtClass; 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 7738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 777225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek 778ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 779e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IndirectGotoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 786507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 788507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 789b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 790507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 791507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff return SourceRange(ContinueLoc); 792507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ContinueStmtClass; 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 7978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 80196f22423c52c22d263b4e5f7ee762122b607459eTed Kremenek 802ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 803e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ContinueStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 809507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 811507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 812b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 813507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 814b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == BreakStmtClass; 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 8198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8239eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 824ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 825e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static BreakStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 829c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 830c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 831c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 832c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 833c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 834c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 835c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 836c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 8391060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 840507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 842507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ReturnStmt(SourceLocation RL, Expr *E = 0) : Stmt(ReturnStmtClass), 8431060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek RetExpr((Stmt*) E), RetLoc(RL) {} 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8451060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 8461060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 847b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 848507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ReturnStmtClass; 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 8548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8582dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 859ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 860e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ReturnStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 863fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 864fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 865fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 866fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 8676a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 868b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 869dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 87039c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 87139c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson 872b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 873b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 874b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 875b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<std::string, 4> Names; 876b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Constraints; 877ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek llvm::SmallVector<Stmt*, 4> Exprs; 878b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 879b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Clobbers; 880fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 881dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson AsmStmt(SourceLocation asmloc, bool issimple, bool isvolatile, 882dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson unsigned numoutputs, unsigned numinputs, 883dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson std::string *names, StringLiteral **constraints, 884db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 885db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 886b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 88739c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 888dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 889dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 890458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 891458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 892458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 893458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 894458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 895458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 896458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 897458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 898458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 899458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 900458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 901458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 902458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 903458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 904458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 905458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 906458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 907458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 908458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 909458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 910458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 911458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 912458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 913458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 914458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 915458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 916458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 917458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 918458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 919458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 920458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 921458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 922458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 923458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 924458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 925458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 926458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 927458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 928458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 929458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 930458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 931458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 932458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 933458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 934458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 935458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 936458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 937458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 938458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 939458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 940458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //// flattening of named references like %[foo] to Operand AsmStringPiece's. 941fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 942fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 943458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 944458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 945b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 946b327793860737d1c103a73aeda8057dd628a101dChris Lattner 947b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 948ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 949ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getOutputName(unsigned i) const { 950ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 951ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 952ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 953b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 954b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 955b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 956b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getOutputConstraint(unsigned i) const; 957b327793860737d1c103a73aeda8057dd628a101dChris Lattner 958b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 959ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 960ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 961b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 962b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 963b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 964b327793860737d1c103a73aeda8057dd628a101dChris Lattner 965b327793860737d1c103a73aeda8057dd628a101dChris Lattner 966ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 967b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 968b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 969b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 970b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 971b327793860737d1c103a73aeda8057dd628a101dChris Lattner 972b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 973b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 974b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 975b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 976b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 977b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 978b327793860737d1c103a73aeda8057dd628a101dChris Lattner 97985759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 98085759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 98185759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 98285759278332404e96d4bb89d0e976e46158cd026Chris Lattner 983b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 984b327793860737d1c103a73aeda8057dd628a101dChris Lattner 985b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumInputs() const { return NumInputs; } 986ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 987ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getInputName(unsigned i) const { 988ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 989ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 990b327793860737d1c103a73aeda8057dd628a101dChris Lattner 991b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 992b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 993b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getInputConstraint(unsigned i) const; 994b327793860737d1c103a73aeda8057dd628a101dChris Lattner 995b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 996ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 997ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 998b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 999ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1000ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1001b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1002b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1003ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1004b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1005b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1006b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1007b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 100810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 100910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 101010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 101110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 101210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 101310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 101410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner int getNamedOperand(const std::string &SymbolicName) const; 101510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 101610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1017d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson 1018b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumClobbers() const { return Clobbers.size(); } 1019b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1020d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1021b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1022fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1023fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1024fe795956194141c91ae555985c9b930595bff43fChris Lattner } 1025fe795956194141c91ae555985c9b930595bff43fChris Lattner 1026fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1027fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 1028fe795956194141c91ae555985c9b930595bff43fChris Lattner 1029ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 1030ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1031ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1032ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 1033ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1034ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1035ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1036ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1037ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1038ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1039ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs; 1040ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1041ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1042ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1043ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1044ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1045ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1046ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1047ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs;} 1048ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1049ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 1050ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1051ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1052ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 1053ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1054ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek outputs_iterator begin_outputs() { return &Exprs[0]; } 1055ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek outputs_iterator end_outputs() { return &Exprs[0] + NumOutputs; } 1056ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1057ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek const_outputs_iterator begin_outputs() const { return &Exprs[0]; } 1058ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_outputs_iterator end_outputs() const { return &Exprs[0] + NumOutputs; } 1059ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 106045b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson // Input name iterator. 106145b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 106245b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *begin_output_names() const { 106345b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0]; 106445b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 106545b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 106645b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *end_output_names() const { 106745b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0] + NumOutputs; 106845b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 106945b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 1070ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Child iterators 1071ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1072fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1073fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 10741f85acd5ff54345788b93111197088160fe9f06eTed Kremenek 10751f85acd5ff54345788b93111197088160fe9f06eTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1076e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static AsmStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1077fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 107878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 107978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// ObjCForCollectionStmt - This represents Objective-c's collection statement; 108078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// represented as 'for (element 'in' collection-expression)' stmt. 108178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// 108278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenekclass ObjCForCollectionStmt : public Stmt { 108378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek enum { ELEM, COLLECTION, BODY, END_EXPR }; 108478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[ELEM] is an expression or declstmt. 108578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation ForLoc; 108678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation RParenLoc; 108778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenekpublic: 108878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek ObjCForCollectionStmt(Stmt *Elem, Expr *Collect, Stmt *Body, 108978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation FCL, SourceLocation RPL); 109078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 109178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt *getElement() { return SubExprs[ELEM]; } 109278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Expr *getCollection() { 109378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return reinterpret_cast<Expr*>(SubExprs[COLLECTION]); 109478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 109578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt *getBody() { return SubExprs[BODY]; } 109678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 109778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Stmt *getElement() const { return SubExprs[ELEM]; } 109878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Expr *getCollection() const { 109978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return reinterpret_cast<Expr*>(SubExprs[COLLECTION]); 110078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 110178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 110278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 110378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation getRParenLoc() const { return RParenLoc; } 110478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 110578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual SourceRange getSourceRange() const { 110678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 110778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 110878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek static bool classof(const Stmt *T) { 110978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return T->getStmtClass() == ObjCForCollectionStmtClass; 111078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 111178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek static bool classof(const ObjCForCollectionStmt *) { return true; } 111278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 111378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek // Iterators 111478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual child_iterator child_begin(); 111578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual child_iterator child_end(); 111678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 111778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1118e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCForCollectionStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 111978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek}; 1120b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1121a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtCatchStmt - This represents objective-c's @catch statement. 1122a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtCatchStmt : public Stmt { 1123b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianprivate: 11247ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff enum { BODY, NEXT_CATCH, END_EXPR }; 11257ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *ExceptionDecl; 11263b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian Stmt *SubExprs[END_EXPR]; 1127b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SourceLocation AtCatchLoc, RParenLoc; 1128af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1129af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek // Used by deserialization. 1130a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc) 1131a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtCatchStmtClass), AtCatchLoc(atCatchLoc), RParenLoc(rparenloc) {} 1132af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1133b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianpublic: 1134a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc, 11357ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *catchVarDecl, 113693b2bdb866d49e3dab4623a822db281042e87382Daniel Dunbar Stmt *atCatchStmt, Stmt *atCatchList); 1137b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1138606efdfeb9eef70871eb62a26dfd115e209e899cFariborz Jahanian const Stmt *getCatchBody() const { return SubExprs[BODY]; } 1139606efdfeb9eef70871eb62a26dfd115e209e899cFariborz Jahanian Stmt *getCatchBody() { return SubExprs[BODY]; } 1140ff981021554a4965943ca2d19019cea811614602Ted Kremenek 1141ff981021554a4965943ca2d19019cea811614602Ted Kremenek const ObjCAtCatchStmt *getNextCatchStmt() const { 1142ff981021554a4965943ca2d19019cea811614602Ted Kremenek return static_cast<const ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]); 1143ff981021554a4965943ca2d19019cea811614602Ted Kremenek } 1144ff981021554a4965943ca2d19019cea811614602Ted Kremenek ObjCAtCatchStmt *getNextCatchStmt() { 1145ff981021554a4965943ca2d19019cea811614602Ted Kremenek return static_cast<ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]); 1146ff981021554a4965943ca2d19019cea811614602Ted Kremenek } 1147ff981021554a4965943ca2d19019cea811614602Ted Kremenek 11487ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff const ParmVarDecl *getCatchParamDecl() const { 11497ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff return ExceptionDecl; 11507ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } 11517ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *getCatchParamDecl() { 11527ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff return ExceptionDecl; 115393b2bdb866d49e3dab4623a822db281042e87382Daniel Dunbar } 11547794cb85d394750db0631c02b7aa7837ae56764cFariborz Jahanian 11557573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation getRParenLoc() const { return RParenLoc; } 11567573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 1157b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual SourceRange getSourceRange() const { 11583b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian return SourceRange(AtCatchLoc, SubExprs[BODY]->getLocEnd()); 1159b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1160be4b3332c2d17c03af6d015d9e8e2cc524806e6eSteve Naroff 11617ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff bool hasEllipsis() const { return getCatchParamDecl() == 0; } 1162be4b3332c2d17c03af6d015d9e8e2cc524806e6eSteve Naroff 1163b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian static bool classof(const Stmt *T) { 1164a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtCatchStmtClass; 1165b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1166a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtCatchStmt *) { return true; } 1167b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1168b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_begin(); 1169b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_end(); 1170af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1171af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1172e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtCatchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1173b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1174b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1175a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtFinallyStmt - This represent objective-c's @finally Statement 1176a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtFinallyStmt : public Stmt { 117704be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek Stmt *AtFinallyStmt; 117804be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek SourceLocation AtFinallyLoc; 117904be5aae2dc17292e2007401599638f3c6ba30deTed Kremenekpublic: 1180a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtFinallyStmt(SourceLocation atFinallyLoc, Stmt *atFinallyStmt) 1181a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtFinallyStmtClass), 118204be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek AtFinallyStmt(atFinallyStmt), AtFinallyLoc(atFinallyLoc) {} 11837794cb85d394750db0631c02b7aa7837ae56764cFariborz Jahanian 118404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek const Stmt *getFinallyBody () const { return AtFinallyStmt; } 118504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek Stmt *getFinallyBody () { return AtFinallyStmt; } 118604be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 118704be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual SourceRange getSourceRange() const { 118804be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek return SourceRange(AtFinallyLoc, AtFinallyStmt->getLocEnd()); 118904be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek } 119004be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 119104be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek static bool classof(const Stmt *T) { 1192a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtFinallyStmtClass; 119304be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek } 1194a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtFinallyStmt *) { return true; } 119504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 119604be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual child_iterator child_begin(); 119704be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual child_iterator child_end(); 119804be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 119904be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1200e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtFinallyStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1201b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1202b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1203a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtTryStmt - This represent objective-c's over-all 1204b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian/// @try ... @catch ... @finally statement. 1205a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtTryStmt : public Stmt { 1206b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianprivate: 120789079eac7d6e3091b74b477a4a5ff0cdaf35496cFariborz Jahanian enum { TRY, CATCH, FINALLY, END_EXPR }; 120889079eac7d6e3091b74b477a4a5ff0cdaf35496cFariborz Jahanian Stmt* SubStmts[END_EXPR]; 1209b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 12109c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek SourceLocation AtTryLoc; 1211b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianpublic: 1212a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtTryStmt(SourceLocation atTryLoc, Stmt *atTryStmt, 1213bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian Stmt *atCatchStmt, 1214bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian Stmt *atFinallyStmt) 1215a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtTryStmtClass) { 1216b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[TRY] = atTryStmt; 1217b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[CATCH] = atCatchStmt; 1218b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[FINALLY] = atFinallyStmt; 1219ccdbc5c6f14965d91a352d114c109a9d4d9552b8Steve Naroff AtTryLoc = atTryLoc; 1220b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1221b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 12228aab17e82aab6b3f266ef1884253226d2cb8b8d8Fariborz Jahanian const Stmt *getTryBody() const { return SubStmts[TRY]; } 12238aab17e82aab6b3f266ef1884253226d2cb8b8d8Fariborz Jahanian Stmt *getTryBody() { return SubStmts[TRY]; } 1224a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCAtCatchStmt *getCatchStmts() const { 1225a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 12267573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1227a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt *getCatchStmts() { 1228a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 12297573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1230a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCAtFinallyStmt *getFinallyStmt() const { 1231a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 12327573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1233a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtFinallyStmt *getFinallyStmt() { 1234a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 12357573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1236b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual SourceRange getSourceRange() const { 1237b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return SourceRange(AtTryLoc, SubStmts[TRY]->getLocEnd()); 1238b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1239b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1240b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian static bool classof(const Stmt *T) { 1241a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtTryStmtClass; 1242b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1243a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtTryStmt *) { return true; } 1244b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1245b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_begin(); 1246b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_end(); 12479c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek 12489c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1249e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtTryStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1250b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1251fe795956194141c91ae555985c9b930595bff43fChris Lattner 1252c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// ObjCAtSynchronizedStmt - This is for objective-c's @synchronized statement. 125378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// Example: @synchronized (sem) { 1254bd144b7ac70cc96cb1ff822347c2bb9b330729ecFariborz Jahanian/// do-something; 125578a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// } 1256c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 1257c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianclass ObjCAtSynchronizedStmt : public Stmt { 1258c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianprivate: 1259a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian enum { SYNC_EXPR, SYNC_BODY, END_EXPR }; 1260a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Stmt* SubStmts[END_EXPR]; 1261c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian SourceLocation AtSynchronizedLoc; 1262c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1263c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianpublic: 1264a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian ObjCAtSynchronizedStmt(SourceLocation atSynchronizedLoc, Stmt *synchExpr, 1265c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian Stmt *synchBody) 1266a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian : Stmt(ObjCAtSynchronizedStmtClass) { 1267a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SubStmts[SYNC_EXPR] = synchExpr; 1268a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SubStmts[SYNC_BODY] = synchBody; 1269a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian AtSynchronizedLoc = atSynchronizedLoc; 1270a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1271c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 127278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian const CompoundStmt *getSynchBody() const { 127378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]); 127478a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 127578a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian CompoundStmt *getSynchBody() { 127678a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]); 127778a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 1278c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1279a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const Expr *getSynchExpr() const { 1280a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 1281a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1282a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Expr *getSynchExpr() { 1283a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 1284a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1285c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1286c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian virtual SourceRange getSourceRange() const { 1287a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return SourceRange(AtSynchronizedLoc, getSynchBody()->getLocEnd()); 1288c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian } 1289c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1290c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian static bool classof(const Stmt *T) { 1291c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian return T->getStmtClass() == ObjCAtSynchronizedStmtClass; 1292c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian } 1293c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian static bool classof(const ObjCAtSynchronizedStmt *) { return true; } 1294c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1295fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian virtual child_iterator child_begin(); 1296fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian virtual child_iterator child_end(); 1297fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian 1298c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian virtual void EmitImpl(llvm::Serializer& S) const; 1299e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtSynchronizedStmt* CreateImpl(llvm::Deserializer& D, 1300e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop ASTContext& C); 1301c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian}; 1302c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1303a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtThrowStmt - This represents objective-c's @throw statement. 1304a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtThrowStmt : public Stmt { 130539f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Stmt *Throw; 130639f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian SourceLocation AtThrowLoc; 130739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanianpublic: 1308a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtThrowStmt(SourceLocation atThrowLoc, Stmt *throwExpr) 1309a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtThrowStmtClass), Throw(throwExpr) { 131039f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian AtThrowLoc = atThrowLoc; 131139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 131239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 1313e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const Expr *getThrowExpr() const { return reinterpret_cast<Expr*>(Throw); } 1314e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner Expr *getThrowExpr() { return reinterpret_cast<Expr*>(Throw); } 131539f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 131620ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff virtual SourceRange getSourceRange() const { 131720ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff if (Throw) 131820ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff return SourceRange(AtThrowLoc, Throw->getLocEnd()); 1319db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner else 1320db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner return SourceRange(AtThrowLoc); 132139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 132239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 132339f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian static bool classof(const Stmt *T) { 1324a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtThrowStmtClass; 132539f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 1326a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtThrowStmt *) { return true; } 132739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 132839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian virtual child_iterator child_begin(); 132939f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian virtual child_iterator child_end(); 13305bdd4e300b432246b9d261702828e9875414128bTed Kremenek 13315bdd4e300b432246b9d261702828e9875414128bTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1332e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtThrowStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 133339f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian}; 133439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 13354b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl/// CXXCatchStmt - This represents a C++ catch block. 13364b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redlclass CXXCatchStmt : public Stmt { 13374b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl SourceLocation CatchLoc; 13384b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl /// The exception-declaration of the type. 13394b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Decl *ExceptionDecl; 13404b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl /// The handler block. 13414b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Stmt *HandlerBlock; 13424b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13434b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redlpublic: 13444b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl CXXCatchStmt(SourceLocation catchLoc, Decl *exDecl, Stmt *handlerBlock) 13454b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl : Stmt(CXXCatchStmtClass), CatchLoc(catchLoc), ExceptionDecl(exDecl), 13464b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl HandlerBlock(handlerBlock) {} 13474b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13484b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual void Destroy(ASTContext& Ctx); 13494b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13504b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual SourceRange getSourceRange() const { 13514b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl return SourceRange(CatchLoc, HandlerBlock->getLocEnd()); 13524b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl } 13534b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13544b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Decl *getExceptionDecl() { return ExceptionDecl; } 13554b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl QualType getCaughtType(); 13564b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Stmt *getHandlerBlock() { return HandlerBlock; } 13574b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13584b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static bool classof(const Stmt *T) { 13594b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl return T->getStmtClass() == CXXCatchStmtClass; 13604b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl } 13614b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static bool classof(const CXXCatchStmt *) { return true; } 13624b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13634b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual child_iterator child_begin(); 13644b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual child_iterator child_end(); 13654b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13664b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 13674b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static CXXCatchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 13684b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl}; 13694b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13708351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl/// CXXTryStmt - A C++ try block, including all handlers. 13718351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redlclass CXXTryStmt : public Stmt { 13728351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl SourceLocation TryLoc; 13738351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl // First place is the guarded CompoundStatement. Subsequent are the handlers. 13748351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl // More than three handlers should be rare. 13758351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl llvm::SmallVector<Stmt*, 4> Stmts; 13768351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13778351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redlpublic: 13788351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CXXTryStmt(SourceLocation tryLoc, Stmt *tryBlock, 13798351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl Stmt **handlers, unsigned numHandlers); 13808351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13818351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual SourceRange getSourceRange() const { 13828351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return SourceRange(TryLoc, Stmts.back()->getLocEnd()); 13838351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 13848351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13858351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CompoundStmt *getTryBlock() { return llvm::cast<CompoundStmt>(Stmts[0]); } 13868351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl const CompoundStmt *getTryBlock() const { 13878351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CompoundStmt>(Stmts[0]); 13888351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 13898351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13908351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl unsigned getNumHandlers() const { return Stmts.size() - 1; } 13918351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CXXCatchStmt *getHandler(unsigned i) { 13928351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CXXCatchStmt>(Stmts[i + 1]); 13938351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 13948351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl const CXXCatchStmt *getHandler(unsigned i) const { 13958351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CXXCatchStmt>(Stmts[i + 1]); 13968351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 13978351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13988351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static bool classof(const Stmt *T) { 13998351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return T->getStmtClass() == CXXTryStmtClass; 14008351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14018351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static bool classof(const CXXTryStmt *) { return true; } 14028351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14038351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual child_iterator child_begin(); 14048351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual child_iterator child_end(); 14058351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14068351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 14078351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static CXXTryStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 14088351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl}; 14098351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 14115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1413