Stmt.h revision 0632dd6fe068011af5710c0d6a745724021ff620
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Stmt interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_STMT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_STMT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff#include "llvm/Support/Casting.h" 18a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek#include "llvm/Support/raw_ostream.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 209caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 218ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 23525204a7ca5c3c0aac8166d8f27abb988a84c850Anton Korobeynikov#include "llvm/ADT/iterator.h" 240a449eed1dd2439b4b9c0a6291084816eab390c1Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 266e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 30e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 337ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 344b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 360c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 376a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 386c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 3942a509f6a4f71bb805cc4abbb26722a34dffdddeTed Kremenek class PrinterHelper; 40ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 41ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 42ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator() : I(0) {} 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt* const * I; 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator(Stmt* const* i) : I(i) {} 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator() : I(0) {} 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 75ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator+(size_t i) { return I+i; } 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator-(size_t i) { return I-i; } 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 96f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 97f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_STMT(CLASS) firstStmtConstant = CLASS##Class, 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_STMT(CLASS) lastStmtConstant = CLASS##Class, 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_EXPR(CLASS) firstExprConstant = CLASS##Class, 101f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_EXPR(CLASS) lastExprConstant = CLASS##Class 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/StmtNodes.def" 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const StmtClass sClass; 1068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // or by doing a placement new. 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 1268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 133e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 134e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, ASTContext& C) throw() { } 135e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, ASTContext& C, unsigned alignment) throw() { } 136e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 137e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 1389c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1399c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1409c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 14127f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1429c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt(StmtClass SC) : sClass(SC) { 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 14827f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 14924e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner virtual void Destroy(ASTContext &Ctx); 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StmtClass getStmtClass() const { return sClass; } 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 153b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 154b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 155b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 156b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 157b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 158311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 159311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool CollectingStats(bool enable=false); 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 1656000dace22f110d8768476989313e9d981d690d0Chris Lattner 1666000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 1676000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 1686000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 170e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 1716000dace22f110d8768476989313e9d981d690d0Chris Lattner 1726000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 1736000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 174e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 1756000dace22f110d8768476989313e9d981d690d0Chris Lattner 1766000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 1776000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 1786000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpPretty() const; 179071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper* = NULL, unsigned = 0, 180071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump bool NoIndent=false) const; 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 182d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 183d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 184d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 185d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 1878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek static bool classof(const Stmt *) { return true; } 18877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 189d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 190d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 191d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 192d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 193d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 194d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 195d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 19677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 19777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 19877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 1999caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2009caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 20177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 2028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 20477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 20577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2069caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 20777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 20877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 20977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2109caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 21177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2122dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 2132dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek void Emit(llvm::Serializer& S) const; 214e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static Stmt* Create(llvm::Deserializer& D, ASTContext& C); 215e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop 216ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const { 2172dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek // This method will eventually be a pure-virtual function. 2182dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek assert (false && "Not implemented."); 2192dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek } 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// and declarations (variables, types). Another example is ForStmt, where 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 22865aa3b9fda7b2114f708014e3d42176abc0e39abTed Kremenekprotected: 2299653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 23081c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2329653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 2338ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 2348ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2368e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek virtual void Destroy(ASTContext& Ctx); 2378e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek 2387e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 239fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 2407e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 241fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 2428ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 243655137a6c19110620d82d5f03cdcaec3a48c059fTed Kremenek 2447e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 2457e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner Decl *getSingleDecl() { return DG.getSingleDecl(); } 246b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 24781c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 24881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 2498ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek 2508ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 25181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 25281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclStmtClass; 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 2588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 25914f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 2608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 2618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 2620965f446e7685dc01fc0b5e718610530eed3cc63Ted Kremenek 2630632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 2640632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 2658a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 2668ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 2678ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 2688ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 2698ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 2708a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 27114f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Serialization. 272ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 273e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DeclStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 284b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 285507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == NullStmtClass; 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 2918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 2928297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 2938297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 2948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 2954927be6102784fc69c50234f7e2253283b3e99e4Ted Kremenek 296ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 297e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static NullStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 305b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 310026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 311026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 312026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 313026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 314026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner 315026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 316026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 3208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 3228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 3238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 3248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 3278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 3288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 3298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 3308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 3328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 3338189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 3348189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 3368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 3378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3384ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 3408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 3414ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 3438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 3448189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 345b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 3468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 3478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 3488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 350b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 351b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(LBracLoc, RBracLoc); 352b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 35354395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 354cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 355cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 35654395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CompoundStmtClass; 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 3618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3652dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 366ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 367e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 370c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 371c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 372103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 373c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 374c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 375c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 376103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 377d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 378c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 379c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 380c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 381c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 382c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 383c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 384c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 385d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 386d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 387b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 388b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 389edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek 390c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const Stmt *T) { 391c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson return T->getStmtClass() == CaseStmtClass || 392c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 393c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 394c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 3953fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 3963fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() = 0; 397c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 398c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 399c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 400d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 401d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 402d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 403b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 4043fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 40624e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc) 407d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 40824e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 409d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 410d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 411b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 412d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 414764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 415764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner 416d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 417d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 418d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 41951b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getLHS() const { 42051b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[LHS]); 42151b09f2c528c8460b5465c676173324e44176d62Devang Patel } 42251b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getRHS() const { 42351b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[RHS]); 42451b09f2c528c8460b5465c676173324e44176d62Devang Patel } 42551b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 42720dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 42820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 42920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 43020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 43120dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 4323fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 4333fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 4343fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 43591ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 4363fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 4373fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner 4383fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 439b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CaseStmtClass; 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 444d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 445d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 446d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 447d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 4489eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 449ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 450e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CaseStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 453c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 454d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 4556c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 4563fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 458edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek DefaultStmt(SourceLocation DL, Stmt *substmt) : 459d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL) {} 460b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 461d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 46251b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 463d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 4646c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 466b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 467b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 468b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DefaultStmtClass; 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 473d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 474d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 475d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 476d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 4779eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 478ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 479e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DefaultStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 485b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 487b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 488b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(LabelStmtClass), Label(label), 489b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 4935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 499b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 500b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 501b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IdentLoc, SubStmt->getLocEnd()); 502b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == LabelStmtClass; 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 5078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 511b15132fda52046ba65eafd6f4b448f7aa16b7e8dTed Kremenek 512ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 513e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static LabelStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 5208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 5218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 522b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 524b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfStmt(SourceLocation IL, Expr *cond, Stmt *then, Stmt *elsev = 0) 525b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(IfStmtClass) { 5268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 5278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 5288297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 529b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfLoc = IL; 5308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 5338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 5348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 5378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 5388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 539b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 540b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 541b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 542b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 543b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 544b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 545b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IfStmtClass; 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 5518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 5554210f3dfd73ad3482f9cfa0a382e1fd78f22976dTed Kremenek 556ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 557e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IfStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 5638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 5648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 565c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 566c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 5679dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SwitchStmt(Expr *cond) : Stmt(SwitchStmtClass), FirstCase(0) { 5708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 5718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = NULL; 5728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 5758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 576c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 577c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 5788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 5798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 580c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 581c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 5829dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff void setBody(Stmt *S, SourceLocation SL) { 5839dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SubExprs[BODY] = S; 5849dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 5859dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 586c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 587c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson if (FirstCase) 588c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SC->setNextSwitchCase(FirstCase); 589c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 590c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 591c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 5929dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff virtual SourceRange getSourceRange() const { 5939dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 5949dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SwitchStmtClass; 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 5998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6039eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 604ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 605e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static SwitchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 6128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 614b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 616b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileStmt(Expr *cond, Stmt *body, SourceLocation WL) : Stmt(WhileStmtClass) { 6178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 619b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 6208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 6258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 626b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 627b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 628b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 629b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == WhileStmtClass; 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 6348297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6378297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6385572b94b76a78a35bac32d1ef04907c7a651adbaTed Kremenek 639ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 640e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static WhileStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 6468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 648b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 650b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoStmt(Stmt *body, Expr *cond, SourceLocation DL) 651b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(DoStmtClass), DoLoc(DL) { 6528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 654b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoLoc = DL; 6558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 6608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 661b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 662b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 663b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DoLoc, SubExprs[BODY]->getLocEnd()); 664b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DoStmtClass; 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 6698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 673e3299ef345bb8a71901108bf83a824591eae6c1aTed Kremenek 674ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 675e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 6848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 6858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 686b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 688b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForStmt(Stmt *Init, Expr *Cond, Expr *Inc, Stmt *Body, SourceLocation FL) 689b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(ForStmtClass) { 690af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 691af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 692af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 693af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 694b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForLoc = FL; 695af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 6988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 7038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 706b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 707b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 708b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 709b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ForStmtClass; 7125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 7148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 71807ba046c7d7bbc1f42b86b3ed012eec8fc7849daTed Kremenek 719ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 720e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ForStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7220196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 727507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 72861f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 73061f62165220e75694fe333179c78815e2e48d71fTed Kremenek GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 73161f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 734b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 735507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 73661f62165220e75694fe333179c78815e2e48d71fTed Kremenek return SourceRange(GotoLoc, LabelLoc); 737507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == GotoStmtClass; 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 7428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7438297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7463f0767b74b16b37bcce60ff457609161a0665784Ted Kremenek 747ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 748e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static GotoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 7541060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 755225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek // FIXME: Add location information (e.g. SourceLocation objects). 756225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek // When doing so, update the serialization routines. 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7581060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek IndirectGotoStmt(Expr *target) : Stmt(IndirectGotoStmtClass), 7591060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Target((Stmt*)target){} 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7611060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 7621060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 763b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 764b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IndirectGotoStmtClass; 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 7708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 774225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek 775ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 776e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IndirectGotoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 783507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 785507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 786b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 787507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 788507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff return SourceRange(ContinueLoc); 789507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ContinueStmtClass; 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 7948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 79896f22423c52c22d263b4e5f7ee762122b607459eTed Kremenek 799ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 800e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ContinueStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 806507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 808507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 809b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 810507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 811b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == BreakStmtClass; 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 8168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8209eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 821ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 822e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static BreakStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 826c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 827c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 828c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 829c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 830c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 831c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 832c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 833c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 8361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 837507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 839507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ReturnStmt(SourceLocation RL, Expr *E = 0) : Stmt(ReturnStmtClass), 8401060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek RetExpr((Stmt*) E), RetLoc(RL) {} 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8421060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 8431060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 844b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 845507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ReturnStmtClass; 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 8518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8552dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 856ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 857e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ReturnStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 860fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 861fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 862fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 863fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 8646a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 865b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 866dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 86739c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 86839c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson 869b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 870b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 871b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 872b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<std::string, 4> Names; 873b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Constraints; 874ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek llvm::SmallVector<Stmt*, 4> Exprs; 875b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 876b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Clobbers; 877fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 878dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson AsmStmt(SourceLocation asmloc, bool issimple, bool isvolatile, 879dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson unsigned numoutputs, unsigned numinputs, 880dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson std::string *names, StringLiteral **constraints, 881db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 882db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 883b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 88439c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 885dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 886dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 887458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 888458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 889458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 890458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 891458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 892458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 893458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 894458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 895458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 896458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 897458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 898458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 899458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 900458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 901458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 902458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 903458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 904458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 905458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 906458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 907458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 908458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 909458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 910458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 911458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 912458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 913458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 914458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 915458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 916458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 917458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 918458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 919458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 920458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 921458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 922458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 923458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 924458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 925458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 926458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 927458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 928458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 929458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 930458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 931458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 932458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 933458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 934458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 935458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 936458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 937458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //// flattening of named references like %[foo] to Operand AsmStringPiece's. 938fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 939fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 940458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 941458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 942b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 943b327793860737d1c103a73aeda8057dd628a101dChris Lattner 944b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 945ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 946ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getOutputName(unsigned i) const { 947ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 948ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 949ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 950b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 951b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 952b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 953b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getOutputConstraint(unsigned i) const; 954b327793860737d1c103a73aeda8057dd628a101dChris Lattner 955b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 956ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 957ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 958b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 959b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 960b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 961b327793860737d1c103a73aeda8057dd628a101dChris Lattner 962b327793860737d1c103a73aeda8057dd628a101dChris Lattner 963ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 964b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 965b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 966b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 967b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 968b327793860737d1c103a73aeda8057dd628a101dChris Lattner 969b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 970b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 971b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 972b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 973b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 974b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 975b327793860737d1c103a73aeda8057dd628a101dChris Lattner 97685759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 97785759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 97885759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 97985759278332404e96d4bb89d0e976e46158cd026Chris Lattner 980b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 981b327793860737d1c103a73aeda8057dd628a101dChris Lattner 982b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumInputs() const { return NumInputs; } 983ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 984ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getInputName(unsigned i) const { 985ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 986ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 987b327793860737d1c103a73aeda8057dd628a101dChris Lattner 988b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 989b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 990b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getInputConstraint(unsigned i) const; 991b327793860737d1c103a73aeda8057dd628a101dChris Lattner 992b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 993ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 994ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 995b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 996ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 997ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 998b327793860737d1c103a73aeda8057dd628a101dChris Lattner 999b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1000ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1001b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1002b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1003b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1004b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 100510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 100610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 100710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 100810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 100910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 101010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 101110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner int getNamedOperand(const std::string &SymbolicName) const; 101210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 101310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1014d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson 1015b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumClobbers() const { return Clobbers.size(); } 1016b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1017d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1018b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1019fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1020fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1021fe795956194141c91ae555985c9b930595bff43fChris Lattner } 1022fe795956194141c91ae555985c9b930595bff43fChris Lattner 1023fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1024fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 1025fe795956194141c91ae555985c9b930595bff43fChris Lattner 1026ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 1027ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1028ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1029ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 1030ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1031ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1032ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1033ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1034ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1035ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1036ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs; 1037ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1038ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1039ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1040ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1041ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1042ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1043ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1044ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs;} 1045ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1046ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 1047ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1048ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1049ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 1050ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1051ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek outputs_iterator begin_outputs() { return &Exprs[0]; } 1052ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek outputs_iterator end_outputs() { return &Exprs[0] + NumOutputs; } 1053ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1054ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek const_outputs_iterator begin_outputs() const { return &Exprs[0]; } 1055ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_outputs_iterator end_outputs() const { return &Exprs[0] + NumOutputs; } 1056ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 105745b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson // Input name iterator. 105845b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 105945b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *begin_output_names() const { 106045b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0]; 106145b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 106245b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 106345b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *end_output_names() const { 106445b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0] + NumOutputs; 106545b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 106645b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 1067ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Child iterators 1068ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1069fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1070fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 10711f85acd5ff54345788b93111197088160fe9f06eTed Kremenek 10721f85acd5ff54345788b93111197088160fe9f06eTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1073e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static AsmStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1074fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 107578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 107678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// ObjCForCollectionStmt - This represents Objective-c's collection statement; 107778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// represented as 'for (element 'in' collection-expression)' stmt. 107878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// 107978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenekclass ObjCForCollectionStmt : public Stmt { 108078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek enum { ELEM, COLLECTION, BODY, END_EXPR }; 108178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[ELEM] is an expression or declstmt. 108278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation ForLoc; 108378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation RParenLoc; 108478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenekpublic: 108578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek ObjCForCollectionStmt(Stmt *Elem, Expr *Collect, Stmt *Body, 108678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation FCL, SourceLocation RPL); 108778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 108878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt *getElement() { return SubExprs[ELEM]; } 108978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Expr *getCollection() { 109078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return reinterpret_cast<Expr*>(SubExprs[COLLECTION]); 109178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 109278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt *getBody() { return SubExprs[BODY]; } 109378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 109478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Stmt *getElement() const { return SubExprs[ELEM]; } 109578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Expr *getCollection() const { 109678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return reinterpret_cast<Expr*>(SubExprs[COLLECTION]); 109778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 109878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 109978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 110078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation getRParenLoc() const { return RParenLoc; } 110178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 110278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual SourceRange getSourceRange() const { 110378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 110478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 110578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek static bool classof(const Stmt *T) { 110678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return T->getStmtClass() == ObjCForCollectionStmtClass; 110778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 110878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek static bool classof(const ObjCForCollectionStmt *) { return true; } 110978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 111078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek // Iterators 111178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual child_iterator child_begin(); 111278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual child_iterator child_end(); 111378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 111478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1115e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCForCollectionStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 111678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek}; 1117b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1118a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtCatchStmt - This represents objective-c's @catch statement. 1119a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtCatchStmt : public Stmt { 1120b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianprivate: 11217ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff enum { BODY, NEXT_CATCH, END_EXPR }; 11227ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *ExceptionDecl; 11233b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian Stmt *SubExprs[END_EXPR]; 1124b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SourceLocation AtCatchLoc, RParenLoc; 1125af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1126af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek // Used by deserialization. 1127a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc) 1128a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtCatchStmtClass), AtCatchLoc(atCatchLoc), RParenLoc(rparenloc) {} 1129af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1130b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianpublic: 1131a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc, 11327ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *catchVarDecl, 113393b2bdb866d49e3dab4623a822db281042e87382Daniel Dunbar Stmt *atCatchStmt, Stmt *atCatchList); 1134b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1135606efdfeb9eef70871eb62a26dfd115e209e899cFariborz Jahanian const Stmt *getCatchBody() const { return SubExprs[BODY]; } 1136606efdfeb9eef70871eb62a26dfd115e209e899cFariborz Jahanian Stmt *getCatchBody() { return SubExprs[BODY]; } 1137ff981021554a4965943ca2d19019cea811614602Ted Kremenek 1138ff981021554a4965943ca2d19019cea811614602Ted Kremenek const ObjCAtCatchStmt *getNextCatchStmt() const { 1139ff981021554a4965943ca2d19019cea811614602Ted Kremenek return static_cast<const ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]); 1140ff981021554a4965943ca2d19019cea811614602Ted Kremenek } 1141ff981021554a4965943ca2d19019cea811614602Ted Kremenek ObjCAtCatchStmt *getNextCatchStmt() { 1142ff981021554a4965943ca2d19019cea811614602Ted Kremenek return static_cast<ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]); 1143ff981021554a4965943ca2d19019cea811614602Ted Kremenek } 1144ff981021554a4965943ca2d19019cea811614602Ted Kremenek 11457ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff const ParmVarDecl *getCatchParamDecl() const { 11467ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff return ExceptionDecl; 11477ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } 11487ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *getCatchParamDecl() { 11497ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff return ExceptionDecl; 115093b2bdb866d49e3dab4623a822db281042e87382Daniel Dunbar } 11517794cb85d394750db0631c02b7aa7837ae56764cFariborz Jahanian 11527573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation getRParenLoc() const { return RParenLoc; } 11537573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 1154b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual SourceRange getSourceRange() const { 11553b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian return SourceRange(AtCatchLoc, SubExprs[BODY]->getLocEnd()); 1156b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1157be4b3332c2d17c03af6d015d9e8e2cc524806e6eSteve Naroff 11587ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff bool hasEllipsis() const { return getCatchParamDecl() == 0; } 1159be4b3332c2d17c03af6d015d9e8e2cc524806e6eSteve Naroff 1160b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian static bool classof(const Stmt *T) { 1161a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtCatchStmtClass; 1162b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1163a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtCatchStmt *) { return true; } 1164b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1165b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_begin(); 1166b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_end(); 1167af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1168af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1169e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtCatchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1170b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1171b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1172a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtFinallyStmt - This represent objective-c's @finally Statement 1173a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtFinallyStmt : public Stmt { 117404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek Stmt *AtFinallyStmt; 117504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek SourceLocation AtFinallyLoc; 117604be5aae2dc17292e2007401599638f3c6ba30deTed Kremenekpublic: 1177a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtFinallyStmt(SourceLocation atFinallyLoc, Stmt *atFinallyStmt) 1178a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtFinallyStmtClass), 117904be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek AtFinallyStmt(atFinallyStmt), AtFinallyLoc(atFinallyLoc) {} 11807794cb85d394750db0631c02b7aa7837ae56764cFariborz Jahanian 118104be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek const Stmt *getFinallyBody () const { return AtFinallyStmt; } 118204be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek Stmt *getFinallyBody () { return AtFinallyStmt; } 118304be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 118404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual SourceRange getSourceRange() const { 118504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek return SourceRange(AtFinallyLoc, AtFinallyStmt->getLocEnd()); 118604be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek } 118704be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 118804be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek static bool classof(const Stmt *T) { 1189a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtFinallyStmtClass; 119004be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek } 1191a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtFinallyStmt *) { return true; } 119204be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 119304be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual child_iterator child_begin(); 119404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual child_iterator child_end(); 119504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 119604be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1197e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtFinallyStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1198b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1199b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1200a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtTryStmt - This represent objective-c's over-all 1201b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian/// @try ... @catch ... @finally statement. 1202a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtTryStmt : public Stmt { 1203b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianprivate: 120489079eac7d6e3091b74b477a4a5ff0cdaf35496cFariborz Jahanian enum { TRY, CATCH, FINALLY, END_EXPR }; 120589079eac7d6e3091b74b477a4a5ff0cdaf35496cFariborz Jahanian Stmt* SubStmts[END_EXPR]; 1206b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 12079c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek SourceLocation AtTryLoc; 1208b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianpublic: 1209a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtTryStmt(SourceLocation atTryLoc, Stmt *atTryStmt, 1210bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian Stmt *atCatchStmt, 1211bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian Stmt *atFinallyStmt) 1212a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtTryStmtClass) { 1213b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[TRY] = atTryStmt; 1214b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[CATCH] = atCatchStmt; 1215b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[FINALLY] = atFinallyStmt; 1216ccdbc5c6f14965d91a352d114c109a9d4d9552b8Steve Naroff AtTryLoc = atTryLoc; 1217b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1218b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 12198aab17e82aab6b3f266ef1884253226d2cb8b8d8Fariborz Jahanian const Stmt *getTryBody() const { return SubStmts[TRY]; } 12208aab17e82aab6b3f266ef1884253226d2cb8b8d8Fariborz Jahanian Stmt *getTryBody() { return SubStmts[TRY]; } 1221a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCAtCatchStmt *getCatchStmts() const { 1222a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 12237573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1224a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt *getCatchStmts() { 1225a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 12267573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1227a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCAtFinallyStmt *getFinallyStmt() const { 1228a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 12297573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1230a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtFinallyStmt *getFinallyStmt() { 1231a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 12327573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1233b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual SourceRange getSourceRange() const { 1234b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return SourceRange(AtTryLoc, SubStmts[TRY]->getLocEnd()); 1235b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1236b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1237b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian static bool classof(const Stmt *T) { 1238a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtTryStmtClass; 1239b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1240a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtTryStmt *) { return true; } 1241b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1242b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_begin(); 1243b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_end(); 12449c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek 12459c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1246e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtTryStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1247b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1248fe795956194141c91ae555985c9b930595bff43fChris Lattner 1249c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// ObjCAtSynchronizedStmt - This is for objective-c's @synchronized statement. 125078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// Example: @synchronized (sem) { 1251bd144b7ac70cc96cb1ff822347c2bb9b330729ecFariborz Jahanian/// do-something; 125278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// } 1253c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 1254c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianclass ObjCAtSynchronizedStmt : public Stmt { 1255c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianprivate: 1256a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian enum { SYNC_EXPR, SYNC_BODY, END_EXPR }; 1257a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Stmt* SubStmts[END_EXPR]; 1258c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian SourceLocation AtSynchronizedLoc; 1259c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1260c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianpublic: 1261a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian ObjCAtSynchronizedStmt(SourceLocation atSynchronizedLoc, Stmt *synchExpr, 1262c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian Stmt *synchBody) 1263a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian : Stmt(ObjCAtSynchronizedStmtClass) { 1264a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SubStmts[SYNC_EXPR] = synchExpr; 1265a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SubStmts[SYNC_BODY] = synchBody; 1266a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian AtSynchronizedLoc = atSynchronizedLoc; 1267a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1268c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 126978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian const CompoundStmt *getSynchBody() const { 127078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]); 127178a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 127278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian CompoundStmt *getSynchBody() { 127378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]); 127478a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 1275c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1276a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const Expr *getSynchExpr() const { 1277a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 1278a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1279a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Expr *getSynchExpr() { 1280a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 1281a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1282c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1283c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian virtual SourceRange getSourceRange() const { 1284a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return SourceRange(AtSynchronizedLoc, getSynchBody()->getLocEnd()); 1285c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian } 1286c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1287c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian static bool classof(const Stmt *T) { 1288c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian return T->getStmtClass() == ObjCAtSynchronizedStmtClass; 1289c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian } 1290c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian static bool classof(const ObjCAtSynchronizedStmt *) { return true; } 1291c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1292fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian virtual child_iterator child_begin(); 1293fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian virtual child_iterator child_end(); 1294fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian 1295c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian virtual void EmitImpl(llvm::Serializer& S) const; 1296e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtSynchronizedStmt* CreateImpl(llvm::Deserializer& D, 1297e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop ASTContext& C); 1298c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian}; 1299c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1300a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtThrowStmt - This represents objective-c's @throw statement. 1301a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtThrowStmt : public Stmt { 130239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Stmt *Throw; 130339f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian SourceLocation AtThrowLoc; 130439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanianpublic: 1305a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtThrowStmt(SourceLocation atThrowLoc, Stmt *throwExpr) 1306a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtThrowStmtClass), Throw(throwExpr) { 130739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian AtThrowLoc = atThrowLoc; 130839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 130939f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 1310e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const Expr *getThrowExpr() const { return reinterpret_cast<Expr*>(Throw); } 1311e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner Expr *getThrowExpr() { return reinterpret_cast<Expr*>(Throw); } 131239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 131320ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff virtual SourceRange getSourceRange() const { 131420ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff if (Throw) 131520ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff return SourceRange(AtThrowLoc, Throw->getLocEnd()); 1316db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner else 1317db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner return SourceRange(AtThrowLoc); 131839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 131939f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 132039f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian static bool classof(const Stmt *T) { 1321a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtThrowStmtClass; 132239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 1323a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtThrowStmt *) { return true; } 132439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 132539f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian virtual child_iterator child_begin(); 132639f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian virtual child_iterator child_end(); 13275bdd4e300b432246b9d261702828e9875414128bTed Kremenek 13285bdd4e300b432246b9d261702828e9875414128bTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1329e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtThrowStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 133039f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian}; 133139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 13324b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl/// CXXCatchStmt - This represents a C++ catch block. 13334b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redlclass CXXCatchStmt : public Stmt { 13344b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl SourceLocation CatchLoc; 13354b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl /// The exception-declaration of the type. 13364b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Decl *ExceptionDecl; 13374b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl /// The handler block. 13384b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Stmt *HandlerBlock; 13394b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13404b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redlpublic: 13414b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl CXXCatchStmt(SourceLocation catchLoc, Decl *exDecl, Stmt *handlerBlock) 13424b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl : Stmt(CXXCatchStmtClass), CatchLoc(catchLoc), ExceptionDecl(exDecl), 13434b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl HandlerBlock(handlerBlock) {} 13444b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13454b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual void Destroy(ASTContext& Ctx); 13464b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13474b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual SourceRange getSourceRange() const { 13484b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl return SourceRange(CatchLoc, HandlerBlock->getLocEnd()); 13494b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl } 13504b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13514b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Decl *getExceptionDecl() { return ExceptionDecl; } 13524b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl QualType getCaughtType(); 13534b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Stmt *getHandlerBlock() { return HandlerBlock; } 13544b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13554b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static bool classof(const Stmt *T) { 13564b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl return T->getStmtClass() == CXXCatchStmtClass; 13574b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl } 13584b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static bool classof(const CXXCatchStmt *) { return true; } 13594b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13604b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual child_iterator child_begin(); 13614b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual child_iterator child_end(); 13624b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13634b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 13644b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static CXXCatchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 13654b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl}; 13664b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 13678351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl/// CXXTryStmt - A C++ try block, including all handlers. 13688351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redlclass CXXTryStmt : public Stmt { 13698351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl SourceLocation TryLoc; 13708351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl // First place is the guarded CompoundStatement. Subsequent are the handlers. 13718351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl // More than three handlers should be rare. 13728351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl llvm::SmallVector<Stmt*, 4> Stmts; 13738351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13748351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redlpublic: 13758351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CXXTryStmt(SourceLocation tryLoc, Stmt *tryBlock, 13768351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl Stmt **handlers, unsigned numHandlers); 13778351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13788351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual SourceRange getSourceRange() const { 13798351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return SourceRange(TryLoc, Stmts.back()->getLocEnd()); 13808351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 13818351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13828351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CompoundStmt *getTryBlock() { return llvm::cast<CompoundStmt>(Stmts[0]); } 13838351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl const CompoundStmt *getTryBlock() const { 13848351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CompoundStmt>(Stmts[0]); 13858351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 13868351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13878351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl unsigned getNumHandlers() const { return Stmts.size() - 1; } 13888351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CXXCatchStmt *getHandler(unsigned i) { 13898351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CXXCatchStmt>(Stmts[i + 1]); 13908351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 13918351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl const CXXCatchStmt *getHandler(unsigned i) const { 13928351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CXXCatchStmt>(Stmts[i + 1]); 13938351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 13948351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 13958351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static bool classof(const Stmt *T) { 13968351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return T->getStmtClass() == CXXTryStmtClass; 13978351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 13988351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static bool classof(const CXXTryStmt *) { return true; } 13998351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14008351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual child_iterator child_begin(); 14018351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual child_iterator child_end(); 14028351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14038351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 14048351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static CXXTryStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 14058351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl}; 14068351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 14085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1410