Stmt.h revision 0de9d8857b715c2f45c987651f4ce06d73330d93
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Stmt interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_STMT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_STMT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff#include "llvm/Support/Casting.h" 18a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek#include "llvm/Support/raw_ostream.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 209caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 218ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 23525204a7ca5c3c0aac8166d8f27abb988a84c850Anton Korobeynikov#include "llvm/ADT/iterator.h" 240a449eed1dd2439b4b9c0a6291084816eab390c1Ted Kremenek#include "llvm/Bitcode/SerializationFwd.h" 258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 266e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 30e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 337ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 344b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 360c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 376a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 386c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 3942a509f6a4f71bb805cc4abbb26722a34dffdddeTed Kremenek class PrinterHelper; 40ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 41ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 42ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator() : I(0) {} 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt* const * I; 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator(Stmt* const* i) : I(i) {} 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator() : I(0) {} 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 75ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator+(size_t i) { return I+i; } 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator-(size_t i) { return I-i; } 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 90ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 96f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 97f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_STMT(CLASS) firstStmtConstant = CLASS##Class, 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_STMT(CLASS) lastStmtConstant = CLASS##Class, 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_EXPR(CLASS) firstExprConstant = CLASS##Class, 101f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_EXPR(CLASS) lastExprConstant = CLASS##Class 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/StmtNodes.def" 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const StmtClass sClass; 1068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // or by doing a placement new. 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 1268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 133e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 134fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 135fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 136e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 137fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 138e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 139025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 140025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 141025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 142025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 143025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 144025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1459c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1469c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1479c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 14827f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1499c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek 150025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 151025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit Stmt(StmtClass SC, EmptyShell) : sClass(SC) { 152025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 153025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 154025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt(StmtClass SC) : sClass(SC) { 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 16027f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 16124e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner virtual void Destroy(ASTContext &Ctx); 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StmtClass getStmtClass() const { return sClass; } 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 165b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 166b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 167b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 168b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 169b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 170311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 171311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool CollectingStats(bool enable=false); 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 1776000dace22f110d8768476989313e9d981d690d0Chris Lattner 1786000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 1796000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 1806000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 182e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 1836000dace22f110d8768476989313e9d981d690d0Chris Lattner 1846000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 1856000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 186e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 1876000dace22f110d8768476989313e9d981d690d0Chris Lattner 1886000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 1896000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 1906000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpPretty() const; 191071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper* = NULL, unsigned = 0, 192071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump bool NoIndent=false) const; 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 194d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 195d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 196d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 197d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 1998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek static bool classof(const Stmt *) { return true; } 20077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 201d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 202d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 203d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 204d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 205d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 206d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 207d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 20877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 20977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 21077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2119caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2129caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 21377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 2148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 21677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 21777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2189caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 21977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 22077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 22177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2229caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 22377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2240b7489194f9f89fac39d57211c1e7953ae50251fDouglas Gregor 2252dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek void Emit(llvm::Serializer& S) const; 226e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static Stmt* Create(llvm::Deserializer& D, ASTContext& C); 227e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop 228ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const { 2292dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek // This method will eventually be a pure-virtual function. 2302dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek assert (false && "Not implemented."); 2312dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek } 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// and declarations (variables, types). Another example is ForStmt, where 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 2409653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 24181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2439653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 2448ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 2458ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2478e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek virtual void Destroy(ASTContext& Ctx); 2488e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek 2497e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 250fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 2517e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 252fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 2538ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 254655137a6c19110620d82d5f03cdcaec3a48c059fTed Kremenek 2557e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 2567e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner Decl *getSingleDecl() { return DG.getSingleDecl(); } 257e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner 258e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 259e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 260b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 26181c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 26281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 2638ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek 2648ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 26581c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 26681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclStmtClass; 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 2728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 27314f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 2748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 2758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 2760965f446e7685dc01fc0b5e718610530eed3cc63Ted Kremenek 2770632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 2780632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 2798a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 2808ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 2818ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 2828ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 2838ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 2848a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 28514f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Serialization. 286ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 287e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DeclStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 297025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 298025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 299025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 301025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 302b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 303507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == NullStmtClass; 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3134927be6102784fc69c50234f7e2253283b3e99e4Ted Kremenek 314ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 315e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static NullStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 323b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 328026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 329026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 330026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 331026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 332026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner 333026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 334026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 336025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 337025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 338025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 339025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor : Stmt(CompoundStmtClass, Empty), Body(0), NumStmts(0) { } 340025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 341025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 3428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 344025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor unsigned size() const { return NumStmts; } 345025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 3478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 3488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 3498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 3528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 3538189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 3548189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 3558189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3568189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 3578189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 3588189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 3598189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3608189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 3618189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 3628189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3634ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3648189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 3658189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 3664ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3678189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 3688189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 3698189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 370b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 3718189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 3728189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 3738189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3748189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 375b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 376b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(LBracLoc, RBracLoc); 377b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 37854395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 379cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 380025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 381cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 382025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 38354395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CompoundStmtClass; 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 3888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3898297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3908297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3918297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3922dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 393ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 394e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 397c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 398c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 399103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 400c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 401c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 402c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 403103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 404d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 405c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 406c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 407c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 408c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 409c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 410c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 411c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 412d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 413d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 414b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 415b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 416edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek 417c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const Stmt *T) { 418c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson return T->getStmtClass() == CaseStmtClass || 419c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 420c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 421c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 4223fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 4233fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() = 0; 424c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 425c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 426c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 427d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 428d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 429d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 430b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 4313fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 43324e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc) 434d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 43524e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 436d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 437d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 438b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 439d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 440025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 441025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 442025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 443025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 444764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 445025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 446025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 447d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 448d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 449d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 450025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 45151b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getLHS() const { 45251b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[LHS]); 45351b09f2c528c8460b5465c676173324e44176d62Devang Patel } 45451b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getRHS() const { 45551b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[RHS]); 45651b09f2c528c8460b5465c676173324e44176d62Devang Patel } 45751b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 45920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 46020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 46120dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 46220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 46320dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 4643fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 4653fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 4663fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 46791ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 4683fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 4693fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner 4703fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 471b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CaseStmtClass; 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 476d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 477d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 478d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 479d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 4809eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 481ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 482e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CaseStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 485c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 486d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 4876c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 4883fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 490edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek DefaultStmt(SourceLocation DL, Stmt *substmt) : 491d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL) {} 492025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 493025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 494025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 495025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 496d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 49751b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 498025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 499025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5006c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 501025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 503b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 504b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 505b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DefaultStmtClass; 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 510d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 511d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 512d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 513d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5149eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 515ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 516e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DefaultStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 522b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 524b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 525b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(LabelStmtClass), Label(label), 526b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 536b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 537b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 538b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IdentLoc, SubStmt->getLocEnd()); 539b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == LabelStmtClass; 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 5448297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5458297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5468297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5478297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 548b15132fda52046ba65eafd6f4b448f7aa16b7e8dTed Kremenek 549ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 550e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static LabelStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 5578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 5588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 559b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 561b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfStmt(SourceLocation IL, Expr *cond, Stmt *then, Stmt *elsev = 0) 562b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(IfStmtClass) { 5638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 5648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 5658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 566b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfLoc = IL; 5678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 569025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 570025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 571025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 573025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 5748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 575025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setThen(Stmt *S) { SubExprs[THEN] = S; } 5768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 577025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 5808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 5818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 582b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 583025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 584025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 585025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 586b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 587b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 588b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 589b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 590b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 591b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IfStmtClass; 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 5978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6014210f3dfd73ad3482f9cfa0a382e1fd78f22976dTed Kremenek 602ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 603e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IfStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 6098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 611c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 612c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 6139dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SwitchStmt(Expr *cond) : Stmt(SwitchStmtClass), FirstCase(0) { 6168297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = NULL; 6188297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 620025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 621025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 622025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 625c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 626c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 6278297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 628025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 6298297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 630025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 631c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 632025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 633025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 634025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 635025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 636c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 6379dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff void setBody(Stmt *S, SourceLocation SL) { 6389dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SubExprs[BODY] = S; 6399dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 6409dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 641c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 642c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 643c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 644c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 645c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 6469dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff virtual SourceRange getSourceRange() const { 6479dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 6489dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SwitchStmtClass; 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 6538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6579eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 658ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 659e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static SwitchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 6668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 668b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 670b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileStmt(Expr *cond, Stmt *body, SourceLocation WL) : Stmt(WhileStmtClass) { 6718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 673b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 6748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 676d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 677d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 678d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 6798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 681d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 6828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 6838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 684d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 685d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 686d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 687d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 688b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 689b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 690b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 691b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == WhileStmtClass; 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 6968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7005572b94b76a78a35bac32d1ef04907c7a651adbaTed Kremenek 701ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 702e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static WhileStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 7088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 7098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 710b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 712b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoStmt(Stmt *body, Expr *cond, SourceLocation DL) 713b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(DoStmtClass), DoLoc(DL) { 7148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 7158297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 716b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoLoc = DL; 7178297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 71867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 71967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 72067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 72467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 7258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 72767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 72867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 72967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 73067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 731b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 732b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 733b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DoLoc, SubExprs[BODY]->getLocEnd()); 734b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DoStmtClass; 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 7398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7428297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 743e3299ef345bb8a71901108bf83a824591eae6c1aTed Kremenek 744ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 745e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 7548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 7558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 756b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 758b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForStmt(Stmt *Init, Expr *Cond, Expr *Inc, Stmt *Body, SourceLocation FL) 759b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(ForStmtClass) { 760af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 761af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 762af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 763af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 764b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForLoc = FL; 765af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 76767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 76867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 76967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 7708297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 7718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7738297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7748297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7758297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 7768297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7778297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 779b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 78067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 78167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 78267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 78367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 78467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 78567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 78667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 78767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 788b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 789b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 790b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ForStmtClass; 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 7958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7978297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 79907ba046c7d7bbc1f42b86b3ed012eec8fc7849daTed Kremenek 800ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 801e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ForStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8030196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 808507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 80961f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 81161f62165220e75694fe333179c78815e2e48d71fTed Kremenek GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 81261f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 815b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 816507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 81761f62165220e75694fe333179c78815e2e48d71fTed Kremenek return SourceRange(GotoLoc, LabelLoc); 818507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == GotoStmtClass; 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 8238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8273f0767b74b16b37bcce60ff457609161a0665784Ted Kremenek 828ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 829e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static GotoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 8351060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 836225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek // FIXME: Add location information (e.g. SourceLocation objects). 837225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek // When doing so, update the serialization routines. 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8391060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek IndirectGotoStmt(Expr *target) : Stmt(IndirectGotoStmtClass), 8401060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Target((Stmt*)target){} 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8421060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 8431060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 844b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 845b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IndirectGotoStmtClass; 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 8518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 855225a2d946f73aed3b38f265fcb4e7d7d88136928Ted Kremenek 856ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 857e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IndirectGotoStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 864507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 866507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 867b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 868d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 869d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 870d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 871d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 872d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 873d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 874507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 875507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff return SourceRange(ContinueLoc); 876507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ContinueStmtClass; 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 8818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 88596f22423c52c22d263b4e5f7ee762122b607459eTed Kremenek 886ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 887e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ContinueStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 893507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 895507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 896b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 897025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 898025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 899025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 900025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 901025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 902025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 903507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 904b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == BreakStmtClass; 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 9098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9139eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 914ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 915e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static BreakStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 919c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 920c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 921c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 922c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 923c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 924c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 925c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 926c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 9291060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 930507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 9315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 932507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ReturnStmt(SourceLocation RL, Expr *E = 0) : Stmt(ReturnStmtClass), 9331060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek RetExpr((Stmt*) E), RetLoc(RL) {} 9340de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 9350de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 9360de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 9370de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 9381060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 9391060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 9400de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 9410de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 9420de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 9430de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 944b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 945507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ReturnStmtClass; 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 9518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9552dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 956ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 957e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ReturnStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 960fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 961fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 962fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 963fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 9646a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 965b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 966dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 96739c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 96839c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson 969b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 970b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 971b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 972b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<std::string, 4> Names; 973b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Constraints; 974ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek llvm::SmallVector<Stmt*, 4> Exprs; 975b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 976b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Clobbers; 977fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 978dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson AsmStmt(SourceLocation asmloc, bool issimple, bool isvolatile, 979dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson unsigned numoutputs, unsigned numinputs, 980dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson std::string *names, StringLiteral **constraints, 981db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 982db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 983b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 98439c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 985dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 986dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 987458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 988458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 989458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 990458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 991458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 992458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 993458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 994458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 995458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 996458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 997458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 998458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 999458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1000458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1001458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1002458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1003458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1004458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1005458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1006458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1007458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1008458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1009458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1010458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1011458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1012458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1013458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 1014458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1015458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1016458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1017458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1018458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1019458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1020458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1021458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1022458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1023458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1024458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1025458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1026458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1027458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1028458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1029458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1030458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1031458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1032458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1033458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1034458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1035458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1036458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 1037458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1038fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1039fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 1040458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1041458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1042b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1043b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1044b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1045ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1046ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getOutputName(unsigned i) const { 1047ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1048ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1049ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1050b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1051b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1052b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1053b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getOutputConstraint(unsigned i) const; 1054b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1055b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1056ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1057ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1058b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1059b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1060b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1061b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1062b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1063ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 1064b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1065b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1066b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1067b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1068b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1069b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1070b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1071b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1072b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1073b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1074b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1075b327793860737d1c103a73aeda8057dd628a101dChris Lattner 107685759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 107785759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 107885759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 107985759278332404e96d4bb89d0e976e46158cd026Chris Lattner 1080b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 1081b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1082b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumInputs() const { return NumInputs; } 1083ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1084ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getInputName(unsigned i) const { 1085ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1086ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1087b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1088b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1089b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1090b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getInputConstraint(unsigned i) const; 1091b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1092b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1093ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1094ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1095b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1096ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1097ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1098b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1099b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1100ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1101b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1102b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1103b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1104b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 110510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 110610ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 110710ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 110810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 110910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 111010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 111110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner int getNamedOperand(const std::string &SymbolicName) const; 111210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 111310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1114d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson 1115b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumClobbers() const { return Clobbers.size(); } 1116b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1117d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1118b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1119fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1120fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1121fe795956194141c91ae555985c9b930595bff43fChris Lattner } 1122fe795956194141c91ae555985c9b930595bff43fChris Lattner 1123fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1124fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 1125fe795956194141c91ae555985c9b930595bff43fChris Lattner 1126ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 1127ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1128ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1129ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 1130ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1131ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1132ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1133ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1134ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1135ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1136ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs; 1137ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1138ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1139ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1140ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1141ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1142ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1143ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1144ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs;} 1145ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1146ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 1147ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1148ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1149ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 1150ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1151ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek outputs_iterator begin_outputs() { return &Exprs[0]; } 1152ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek outputs_iterator end_outputs() { return &Exprs[0] + NumOutputs; } 1153ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1154ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek const_outputs_iterator begin_outputs() const { return &Exprs[0]; } 1155ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_outputs_iterator end_outputs() const { return &Exprs[0] + NumOutputs; } 1156ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 115745b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson // Input name iterator. 115845b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 115945b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *begin_output_names() const { 116045b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0]; 116145b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 116245b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 116345b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *end_output_names() const { 116445b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0] + NumOutputs; 116545b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 116645b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 1167ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Child iterators 1168ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1169fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1170fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 11711f85acd5ff54345788b93111197088160fe9f06eTed Kremenek 11721f85acd5ff54345788b93111197088160fe9f06eTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1173e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static AsmStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1174fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 117578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 117678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// ObjCForCollectionStmt - This represents Objective-c's collection statement; 117778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// represented as 'for (element 'in' collection-expression)' stmt. 117878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek/// 117978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenekclass ObjCForCollectionStmt : public Stmt { 118078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek enum { ELEM, COLLECTION, BODY, END_EXPR }; 118178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[ELEM] is an expression or declstmt. 118278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation ForLoc; 118378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation RParenLoc; 118478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenekpublic: 118578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek ObjCForCollectionStmt(Stmt *Elem, Expr *Collect, Stmt *Body, 118678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation FCL, SourceLocation RPL); 118778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 118878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt *getElement() { return SubExprs[ELEM]; } 118978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Expr *getCollection() { 119078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return reinterpret_cast<Expr*>(SubExprs[COLLECTION]); 119178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 119278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek Stmt *getBody() { return SubExprs[BODY]; } 119378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 119478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Stmt *getElement() const { return SubExprs[ELEM]; } 119578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Expr *getCollection() const { 119678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return reinterpret_cast<Expr*>(SubExprs[COLLECTION]); 119778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 119878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 119978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 120078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek SourceLocation getRParenLoc() const { return RParenLoc; } 120178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 120278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual SourceRange getSourceRange() const { 120378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 120478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 120578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek static bool classof(const Stmt *T) { 120678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek return T->getStmtClass() == ObjCForCollectionStmtClass; 120778492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek } 120878492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek static bool classof(const ObjCForCollectionStmt *) { return true; } 120978492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 121078492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek // Iterators 121178492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual child_iterator child_begin(); 121278492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual child_iterator child_end(); 121378492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 121478492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1215e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCForCollectionStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 121678492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek}; 1217b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1218a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtCatchStmt - This represents objective-c's @catch statement. 1219a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtCatchStmt : public Stmt { 1220b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianprivate: 12217ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff enum { BODY, NEXT_CATCH, END_EXPR }; 12227ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *ExceptionDecl; 12233b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian Stmt *SubExprs[END_EXPR]; 1224b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SourceLocation AtCatchLoc, RParenLoc; 1225af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1226af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek // Used by deserialization. 1227a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc) 1228a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtCatchStmtClass), AtCatchLoc(atCatchLoc), RParenLoc(rparenloc) {} 1229af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1230b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianpublic: 1231a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt(SourceLocation atCatchLoc, SourceLocation rparenloc, 12327ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *catchVarDecl, 123393b2bdb866d49e3dab4623a822db281042e87382Daniel Dunbar Stmt *atCatchStmt, Stmt *atCatchList); 1234b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1235606efdfeb9eef70871eb62a26dfd115e209e899cFariborz Jahanian const Stmt *getCatchBody() const { return SubExprs[BODY]; } 1236606efdfeb9eef70871eb62a26dfd115e209e899cFariborz Jahanian Stmt *getCatchBody() { return SubExprs[BODY]; } 1237ff981021554a4965943ca2d19019cea811614602Ted Kremenek 1238ff981021554a4965943ca2d19019cea811614602Ted Kremenek const ObjCAtCatchStmt *getNextCatchStmt() const { 1239ff981021554a4965943ca2d19019cea811614602Ted Kremenek return static_cast<const ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]); 1240ff981021554a4965943ca2d19019cea811614602Ted Kremenek } 1241ff981021554a4965943ca2d19019cea811614602Ted Kremenek ObjCAtCatchStmt *getNextCatchStmt() { 1242ff981021554a4965943ca2d19019cea811614602Ted Kremenek return static_cast<ObjCAtCatchStmt*>(SubExprs[NEXT_CATCH]); 1243ff981021554a4965943ca2d19019cea811614602Ted Kremenek } 1244ff981021554a4965943ca2d19019cea811614602Ted Kremenek 12457ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff const ParmVarDecl *getCatchParamDecl() const { 12467ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff return ExceptionDecl; 12477ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } 12487ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff ParmVarDecl *getCatchParamDecl() { 12497ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff return ExceptionDecl; 125093b2bdb866d49e3dab4623a822db281042e87382Daniel Dunbar } 12517794cb85d394750db0631c02b7aa7837ae56764cFariborz Jahanian 12527573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation getRParenLoc() const { return RParenLoc; } 12537573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 1254b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual SourceRange getSourceRange() const { 12553b1191d7eaf2f4984564e01ab84b6713a9d80e70Fariborz Jahanian return SourceRange(AtCatchLoc, SubExprs[BODY]->getLocEnd()); 1256b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1257be4b3332c2d17c03af6d015d9e8e2cc524806e6eSteve Naroff 12587ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff bool hasEllipsis() const { return getCatchParamDecl() == 0; } 1259be4b3332c2d17c03af6d015d9e8e2cc524806e6eSteve Naroff 1260b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian static bool classof(const Stmt *T) { 1261a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtCatchStmtClass; 1262b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1263a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtCatchStmt *) { return true; } 1264b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1265b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_begin(); 1266b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_end(); 1267af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek 1268af526779b36f43f59e47cfc5b10bb0c48562f4a9Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1269e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtCatchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1270b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1271b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1272a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtFinallyStmt - This represent objective-c's @finally Statement 1273a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtFinallyStmt : public Stmt { 127404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek Stmt *AtFinallyStmt; 127504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek SourceLocation AtFinallyLoc; 127604be5aae2dc17292e2007401599638f3c6ba30deTed Kremenekpublic: 1277a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtFinallyStmt(SourceLocation atFinallyLoc, Stmt *atFinallyStmt) 1278a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtFinallyStmtClass), 127904be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek AtFinallyStmt(atFinallyStmt), AtFinallyLoc(atFinallyLoc) {} 12807794cb85d394750db0631c02b7aa7837ae56764cFariborz Jahanian 128104be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek const Stmt *getFinallyBody () const { return AtFinallyStmt; } 128204be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek Stmt *getFinallyBody () { return AtFinallyStmt; } 128304be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 128404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual SourceRange getSourceRange() const { 128504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek return SourceRange(AtFinallyLoc, AtFinallyStmt->getLocEnd()); 128604be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek } 128704be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 128804be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek static bool classof(const Stmt *T) { 1289a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtFinallyStmtClass; 129004be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek } 1291a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtFinallyStmt *) { return true; } 129204be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 129304be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual child_iterator child_begin(); 129404be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual child_iterator child_end(); 129504be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek 129604be5aae2dc17292e2007401599638f3c6ba30deTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1297e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtFinallyStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1298b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1299b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1300a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtTryStmt - This represent objective-c's over-all 1301b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian/// @try ... @catch ... @finally statement. 1302a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtTryStmt : public Stmt { 1303b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianprivate: 130489079eac7d6e3091b74b477a4a5ff0cdaf35496cFariborz Jahanian enum { TRY, CATCH, FINALLY, END_EXPR }; 130589079eac7d6e3091b74b477a4a5ff0cdaf35496cFariborz Jahanian Stmt* SubStmts[END_EXPR]; 1306b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 13079c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek SourceLocation AtTryLoc; 1308b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanianpublic: 1309a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtTryStmt(SourceLocation atTryLoc, Stmt *atTryStmt, 1310bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian Stmt *atCatchStmt, 1311bd49a647afd9cc534fef13cadf652d4e9c396e2bFariborz Jahanian Stmt *atFinallyStmt) 1312a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtTryStmtClass) { 1313b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[TRY] = atTryStmt; 1314b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[CATCH] = atCatchStmt; 1315b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian SubStmts[FINALLY] = atFinallyStmt; 1316ccdbc5c6f14965d91a352d114c109a9d4d9552b8Steve Naroff AtTryLoc = atTryLoc; 1317b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1318b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 13198aab17e82aab6b3f266ef1884253226d2cb8b8d8Fariborz Jahanian const Stmt *getTryBody() const { return SubStmts[TRY]; } 13208aab17e82aab6b3f266ef1884253226d2cb8b8d8Fariborz Jahanian Stmt *getTryBody() { return SubStmts[TRY]; } 1321a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCAtCatchStmt *getCatchStmts() const { 1322a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 13237573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1324a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtCatchStmt *getCatchStmts() { 1325a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtCatchStmt>(SubStmts[CATCH]); 13267573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1327a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCAtFinallyStmt *getFinallyStmt() const { 1328a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 13297573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1330a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtFinallyStmt *getFinallyStmt() { 1331a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return dyn_cast_or_null<ObjCAtFinallyStmt>(SubStmts[FINALLY]); 13327573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1333b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual SourceRange getSourceRange() const { 1334b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian return SourceRange(AtTryLoc, SubStmts[TRY]->getLocEnd()); 1335b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1336b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1337b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian static bool classof(const Stmt *T) { 1338a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtTryStmtClass; 1339b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian } 1340a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtTryStmt *) { return true; } 1341b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian 1342b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_begin(); 1343b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian virtual child_iterator child_end(); 13449c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek 13459c1efff14b0e001f73c875ed5b184fb3569d641dTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1346e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtTryStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1347b210bd0404f84b99259c9987d347a44d3c202238Fariborz Jahanian}; 1348fe795956194141c91ae555985c9b930595bff43fChris Lattner 1349c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// ObjCAtSynchronizedStmt - This is for objective-c's @synchronized statement. 135078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// Example: @synchronized (sem) { 1351bd144b7ac70cc96cb1ff822347c2bb9b330729ecFariborz Jahanian/// do-something; 135278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian/// } 1353c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian/// 1354c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianclass ObjCAtSynchronizedStmt : public Stmt { 1355c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianprivate: 1356a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian enum { SYNC_EXPR, SYNC_BODY, END_EXPR }; 1357a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Stmt* SubStmts[END_EXPR]; 1358c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian SourceLocation AtSynchronizedLoc; 1359c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1360c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanianpublic: 1361a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian ObjCAtSynchronizedStmt(SourceLocation atSynchronizedLoc, Stmt *synchExpr, 1362c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian Stmt *synchBody) 1363a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian : Stmt(ObjCAtSynchronizedStmtClass) { 1364a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SubStmts[SYNC_EXPR] = synchExpr; 1365a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SubStmts[SYNC_BODY] = synchBody; 1366a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian AtSynchronizedLoc = atSynchronizedLoc; 1367a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1368c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 136978a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian const CompoundStmt *getSynchBody() const { 137078a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]); 137178a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 137278a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian CompoundStmt *getSynchBody() { 137378a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian return reinterpret_cast<CompoundStmt*>(SubStmts[SYNC_BODY]); 137478a677bbb5fa115fa0995b5783adeeefad67167eFariborz Jahanian } 1375c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1376a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const Expr *getSynchExpr() const { 1377a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 1378a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1379a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Expr *getSynchExpr() { 1380a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return reinterpret_cast<Expr*>(SubStmts[SYNC_EXPR]); 1381a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian } 1382c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1383c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian virtual SourceRange getSourceRange() const { 1384a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return SourceRange(AtSynchronizedLoc, getSynchBody()->getLocEnd()); 1385c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian } 1386c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1387c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian static bool classof(const Stmt *T) { 1388c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian return T->getStmtClass() == ObjCAtSynchronizedStmtClass; 1389c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian } 1390c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian static bool classof(const ObjCAtSynchronizedStmt *) { return true; } 1391c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1392fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian virtual child_iterator child_begin(); 1393fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian virtual child_iterator child_end(); 1394fa3ee8e6776634caf064ba5928ca7699d317a280Fariborz Jahanian 1395c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian virtual void EmitImpl(llvm::Serializer& S) const; 1396e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtSynchronizedStmt* CreateImpl(llvm::Deserializer& D, 1397e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop ASTContext& C); 1398c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian}; 1399c385c90c68dfa376650e2facfbb444b2ec9bd110Fariborz Jahanian 1400a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCAtThrowStmt - This represents objective-c's @throw statement. 1401a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCAtThrowStmt : public Stmt { 140239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian Stmt *Throw; 140339f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian SourceLocation AtThrowLoc; 140439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanianpublic: 1405a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCAtThrowStmt(SourceLocation atThrowLoc, Stmt *throwExpr) 1406a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Stmt(ObjCAtThrowStmtClass), Throw(throwExpr) { 140739f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian AtThrowLoc = atThrowLoc; 140839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 140939f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 1410e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const Expr *getThrowExpr() const { return reinterpret_cast<Expr*>(Throw); } 1411e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner Expr *getThrowExpr() { return reinterpret_cast<Expr*>(Throw); } 141239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 141320ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff virtual SourceRange getSourceRange() const { 141420ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff if (Throw) 141520ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff return SourceRange(AtThrowLoc, Throw->getLocEnd()); 1416db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner else 1417db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner return SourceRange(AtThrowLoc); 141839f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 141939f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 142039f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian static bool classof(const Stmt *T) { 1421a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return T->getStmtClass() == ObjCAtThrowStmtClass; 142239f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian } 1423a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCAtThrowStmt *) { return true; } 142439f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 142539f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian virtual child_iterator child_begin(); 142639f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian virtual child_iterator child_end(); 14275bdd4e300b432246b9d261702828e9875414128bTed Kremenek 14285bdd4e300b432246b9d261702828e9875414128bTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1429e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCAtThrowStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 143039f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian}; 143139f8f159c488a900e5958d5aab3e467af9ec8a2bFariborz Jahanian 14324b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl/// CXXCatchStmt - This represents a C++ catch block. 14334b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redlclass CXXCatchStmt : public Stmt { 14344b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl SourceLocation CatchLoc; 14354b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl /// The exception-declaration of the type. 14364b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Decl *ExceptionDecl; 14374b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl /// The handler block. 14384b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Stmt *HandlerBlock; 14394b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 14404b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redlpublic: 14414b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl CXXCatchStmt(SourceLocation catchLoc, Decl *exDecl, Stmt *handlerBlock) 14424b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl : Stmt(CXXCatchStmtClass), CatchLoc(catchLoc), ExceptionDecl(exDecl), 14434b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl HandlerBlock(handlerBlock) {} 14444b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 14454b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual void Destroy(ASTContext& Ctx); 14464b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 14474b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual SourceRange getSourceRange() const { 14484b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl return SourceRange(CatchLoc, HandlerBlock->getLocEnd()); 14494b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl } 14504b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 14514b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Decl *getExceptionDecl() { return ExceptionDecl; } 14524b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl QualType getCaughtType(); 14534b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl Stmt *getHandlerBlock() { return HandlerBlock; } 14544b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 14554b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static bool classof(const Stmt *T) { 14564b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl return T->getStmtClass() == CXXCatchStmtClass; 14574b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl } 14584b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static bool classof(const CXXCatchStmt *) { return true; } 14594b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 14604b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual child_iterator child_begin(); 14614b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual child_iterator child_end(); 14624b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 14634b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 14644b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl static CXXCatchStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 14654b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl}; 14664b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl 14678351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl/// CXXTryStmt - A C++ try block, including all handlers. 14688351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redlclass CXXTryStmt : public Stmt { 14698351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl SourceLocation TryLoc; 14708351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl // First place is the guarded CompoundStatement. Subsequent are the handlers. 14718351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl // More than three handlers should be rare. 14728351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl llvm::SmallVector<Stmt*, 4> Stmts; 14738351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14748351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redlpublic: 14758351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CXXTryStmt(SourceLocation tryLoc, Stmt *tryBlock, 14768351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl Stmt **handlers, unsigned numHandlers); 14778351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14788351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual SourceRange getSourceRange() const { 14798351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return SourceRange(TryLoc, Stmts.back()->getLocEnd()); 14808351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14818351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14828351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CompoundStmt *getTryBlock() { return llvm::cast<CompoundStmt>(Stmts[0]); } 14838351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl const CompoundStmt *getTryBlock() const { 14848351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CompoundStmt>(Stmts[0]); 14858351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14868351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14878351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl unsigned getNumHandlers() const { return Stmts.size() - 1; } 14888351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl CXXCatchStmt *getHandler(unsigned i) { 14898351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CXXCatchStmt>(Stmts[i + 1]); 14908351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14918351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl const CXXCatchStmt *getHandler(unsigned i) const { 14928351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return llvm::cast<CXXCatchStmt>(Stmts[i + 1]); 14938351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14948351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 14958351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static bool classof(const Stmt *T) { 14968351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl return T->getStmtClass() == CXXTryStmtClass; 14978351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl } 14988351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static bool classof(const CXXTryStmt *) { return true; } 14998351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 15008351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual child_iterator child_begin(); 15018351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual child_iterator child_end(); 15028351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 15038351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl virtual void EmitImpl(llvm::Serializer& S) const; 15048351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl static CXXTryStmt* CreateImpl(llvm::Deserializer& D, ASTContext& C); 15058351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl}; 15068351da06ca3082dfd49dd8e3c1785a986920f57cSebastian Redl 15075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 15085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1510