Stmt.h revision 861ce3178c70cfb0fa50baf685e1ad363538eaa9
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Stmt interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_STMT_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_STMT_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff#include "llvm/Support/Casting.h" 18a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek#include "llvm/Support/raw_ostream.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 209caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek#include "clang/AST/StmtIterator.h" 218ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek#include "clang/AST/DeclGroup.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/SmallVector.h" 23525204a7ca5c3c0aac8166d8f27abb988a84c850Anton Korobeynikov#include "llvm/ADT/iterator.h" 248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek#include "clang/AST/ASTContext.h" 256e340496341a4704be0ede9c1ff4f8eacea7ee2cChris Lattner#include <string> 267573098b83e780d1c5bea13b384b610d8f155676Steve Naroffusing llvm::dyn_cast_or_null; 277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 29e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop class ASTContext; 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 327ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff class ParmVarDecl; 334b07b2968f87f3cd5a3d8c76145f1cbfd718d42dSebastian Redl class QualType; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 350c727a35718556866a978f64ac549d9798735f08Chris Lattner class SourceManager; 366a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson class StringLiteral; 376c36be5b383875b490684bcf439d6d427298c1afChris Lattner class SwitchStmt; 3842a509f6a4f71bb805cc4abbb26722a34dffdddeTed Kremenek class PrinterHelper; 39ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 40ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 41ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // ExprIterator - Iterators for iterating over Stmt* arrays that contain 42ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // only Expr*. This is needed because AST nodes use Stmt* arrays to store 43ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // references to children (to be compatible with StmtIterator). 44ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek //===----------------------------------------------------------------------===// 45ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 46ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Stmt; 47ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class Expr; 48ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 49ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ExprIterator { 50ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt** I; 51ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 52ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator(Stmt** i) : I(i) {} 53ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator() : I(0) {} 54ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator& operator++() { ++I; return *this; } 55ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator-(size_t i) { return I-i; } 56ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ExprIterator operator+(size_t i) { return I+i; } 57ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator[](size_t idx); 58ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek // FIXME: Verify that this will correctly return a signed distance. 59ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 60ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator*() const; 61ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr* operator->() const; 62ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 63ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 64ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 65ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 66ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 67ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 68ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek class ConstExprIterator { 69ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Stmt* const * I; 70ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek public: 71ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator(Stmt* const* i) : I(i) {} 72ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator() : I(0) {} 73ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator& operator++() { ++I; return *this; } 74ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator+(size_t i) { return I+i; } 75ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek ConstExprIterator operator-(size_t i) { return I-i; } 76ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator[](size_t idx) const; 77ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 78ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator*() const; 79ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const Expr * operator->() const; 80ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 81ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 82ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 83ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 84ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek }; 85ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 86ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 87ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek// AST classes for statements. 88ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek//===----------------------------------------------------------------------===// 89ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt - This represents one statement. 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Stmt { 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum StmtClass { 95f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor NoStmtClass = 0, 96f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define STMT(CLASS, PARENT) CLASS##Class, 97f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_STMT(CLASS) firstStmtConstant = CLASS##Class, 98f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_STMT(CLASS) lastStmtConstant = CLASS##Class, 99f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define FIRST_EXPR(CLASS) firstExprConstant = CLASS##Class, 100f2cad8633e46cce12fc3d77c0bd451ffd7264bafDouglas Gregor#define LAST_EXPR(CLASS) lastExprConstant = CLASS##Class 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/StmtNodes.def" 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const StmtClass sClass; 1058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Make vanilla 'new' and 'delete' illegal for Stmts. 1078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekprotected: 1088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes) throw() { 1098189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be allocated with regular 'new'."); 1108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return 0; 1118189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void operator delete(void* data) throw() { 1138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek assert(0 && "Stmts cannot be released with regular 'delete'."); 1148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1158189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekpublic: 1178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // Only allow allocation of Stmts using the allocator in ASTContext 1188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // or by doing a placement new. 1198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext& C, 1208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, C, alignment); 1228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1238189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1248189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, ASTContext* C, 1258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned alignment = 16) throw() { 1268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return ::operator new(bytes, *C, alignment); 1278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 1288189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 1298189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void* operator new(size_t bytes, void* mem) throw() { 1308189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return mem; 1318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 132e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 133fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext&, unsigned) throw() { } 134fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, ASTContext*, unsigned) throw() { } 135e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor void operator delete(void*, std::size_t) throw() { } 136fb523e16dd1f860ff02a3ae03e5e3e25327a5860Chris Lattner void operator delete(void*, void*) throw() { } 137e2dedf8f61b8f306f704781456b482eb61871e8eDouglas Gregor 138025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregorpublic: 139025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief A placeholder type used to construct an empty shell of a 140025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// type, that will be filled in later (e.g., by some 141025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// de-serialization). 142025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor struct EmptyShell { }; 143025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1449c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenekprotected: 1459c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// DestroyChildren - Invoked by destructors of subclasses of Stmt to 1469c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek /// recursively release child AST nodes. 14727f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek void DestroyChildren(ASTContext& Ctx); 1489c1863ef36a74e8203f00289d19856ad956f48b9Ted Kremenek 149025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Construct an empty statement. 150025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit Stmt(StmtClass SC, EmptyShell) : sClass(SC) { 151025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 152025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor } 153025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt(StmtClass SC) : sClass(SC) { 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Stmt::CollectingStats()) Stmt::addStmtClass(SC); 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~Stmt() {} 15927f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 16024e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner virtual void Destroy(ASTContext &Ctx); 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StmtClass getStmtClass() const { return sClass; } 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStmtClassName() const; 164b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 165b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// SourceLocation tokens are not useful in isolation - they are low level 166b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// value objects created/interpreted by SourceManager. We assume AST 167b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff /// clients will have a pointer to the respective SourceManager. 168b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const = 0; 169311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocStart() const { return getSourceRange().getBegin(); } 170311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getLocEnd() const { return getSourceRange().getEnd(); } 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // global temp stats (until we have a per-module visitor) 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void addStmtClass(const StmtClass s); 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool CollectingStats(bool enable=false); 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void PrintStats(); 1766000dace22f110d8768476989313e9d981d690d0Chris Lattner 1776000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dump - This does a local dump of the specified AST fragment. It dumps the 1786000dace22f110d8768476989313e9d981d690d0Chris Lattner /// specified node and a few nodes underneath it, but not the whole subtree. 1796000dace22f110d8768476989313e9d981d690d0Chris Lattner /// This is useful in a debugger. 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void dump() const; 181e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dump(SourceManager &SM) const; 1826000dace22f110d8768476989313e9d981d690d0Chris Lattner 1836000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpAll - This does a dump of the specified AST fragment and all subtrees. 1846000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpAll() const; 185e300c870f08d08badf2ebcb53ded49f304af37fcChris Lattner void dumpAll(SourceManager &SM) const; 1866000dace22f110d8768476989313e9d981d690d0Chris Lattner 1876000dace22f110d8768476989313e9d981d690d0Chris Lattner /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST 1886000dace22f110d8768476989313e9d981d690d0Chris Lattner /// back to its original source language syntax. 1896000dace22f110d8768476989313e9d981d690d0Chris Lattner void dumpPretty() const; 190071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump void printPretty(llvm::raw_ostream &OS, PrinterHelper* = NULL, unsigned = 0, 191071e4da10b07ca5278a7ce9dcabd853e0d57e5a4Mike Stump bool NoIndent=false) const; 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 193d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only 194d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek /// works on systems with GraphViz (Mac OS X) or dot+gv installed. 195d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek void viewAST() const; 196d2a4a1af1088fca80e2dc76eb3369db0fbbfdefdTed Kremenek 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Implement isa<T> support. 1988297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek static bool classof(const Stmt *) { return true; } 19977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 200d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// hasImplicitControlFlow - Some statements (e.g. short circuited operations) 201d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// contain implicit control-flow in the order their subexpressions 202d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// are evaluated. This predicate returns true if this statement has 203d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// such implicit control-flow. Such statements are also specially handled 204d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek /// within CFGs. 205d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek bool hasImplicitControlFlow() const; 206d48ade633d96b94cb435d73e2c935ea457152decTed Kremenek 20777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// Child Iterators: All subclasses must implement child_begin and child_end 20877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// to permit easy iteration over the substatements/subexpessions of an 20977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek /// AST node. This permits easy iteration over all nodes in the AST. 2109caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef StmtIterator child_iterator; 2119caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek typedef ConstStmtIterator const_child_iterator; 21277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 2138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin() = 0; 2148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end() = 0; 21577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 21677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_begin() const { 2179caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_begin()); 21877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 21977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 22077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const_child_iterator child_end() const { 2219caf8b1ca6beb254f420dada3c0e94d5ef027f58Ted Kremenek return const_child_iterator(const_cast<Stmt*>(this)->child_end()); 22277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclStmt - Adaptor class for mixing declarations with statements and 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// expressions. For example, CompoundStmt mixes statements, expressions 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// and declarations (variables, types). Another example is ForStmt, where 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the first statement can be an expression or a declaration. 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclStmt : public Stmt { 2319653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclGroupRef DG; 23281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation StartLoc, EndLoc; 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2349653db7bd0e3665b955a0445859285f2e1e7dacdDouglas Gregor DeclStmt(DeclGroupRef dg, SourceLocation startLoc, 2358ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg), 2368ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek StartLoc(startLoc), EndLoc(endLoc) {} 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23884f2170062014d268951902164bed0d8bdea0e82Douglas Gregor /// \brief Build an empty declaration statement. 23984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { } 24084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 2418e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek virtual void Destroy(ASTContext& Ctx); 2428e355f296a3ba45b94de49dbb18ae6a6e67df04cTed Kremenek 2437e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner /// isSingleDecl - This method returns true if this DeclStmt refers 244fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner /// to a single Decl. 2457e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner bool isSingleDecl() const { 246fe95deaf66e4fbd82d44b5f6afa8162fa69cb85cChris Lattner return DG.isSingleDecl(); 2478ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek } 248655137a6c19110620d82d5f03cdcaec3a48c059fTed Kremenek 2497e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl *getSingleDecl() const { return DG.getSingleDecl(); } 2507e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner Decl *getSingleDecl() { return DG.getSingleDecl(); } 251e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner 252e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner const DeclGroupRef getDeclGroup() const { return DG; } 253e66a8cf9117e5fb95a05ff76ec06615e63dd5adeChris Lattner DeclGroupRef getDeclGroup() { return DG; } 25484f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setDeclGroup(DeclGroupRef DGR) { DG = DGR; } 255b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 25681c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getStartLoc() const { return StartLoc; } 25784f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setStartLoc(SourceLocation L) { StartLoc = L; } 25881c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner SourceLocation getEndLoc() const { return EndLoc; } 25984f2170062014d268951902164bed0d8bdea0e82Douglas Gregor void setEndLoc(SourceLocation L) { EndLoc = L; } 26084f2170062014d268951902164bed0d8bdea0e82Douglas Gregor 2618ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek SourceRange getSourceRange() const { 26281c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner return SourceRange(StartLoc, EndLoc); 26381c018d9482e7cc2addadc6202dcf162a01faefdChris Lattner } 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclStmtClass; 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclStmt *) { return true; } 2698297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 27014f8b4ff660bcaa763974b8d0fae81857c594495Ted Kremenek // Iterators over subexpressions. 2718297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 2728297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 2730965f446e7685dc01fc0b5e718610530eed3cc63Ted Kremenek 2740632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::iterator decl_iterator; 2750632dd6fe068011af5710c0d6a745724021ff620Chris Lattner typedef DeclGroupRef::const_iterator const_decl_iterator; 2768a0d2660b6890ed95d34f37d142c0c52ac490194Ted Kremenek 2778ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_begin() { return DG.begin(); } 2788ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek decl_iterator decl_end() { return DG.end(); } 2798ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_begin() const { return DG.begin(); } 2808ffb159441e923322bef6b5dee1aaf24c738d75eTed Kremenek const_decl_iterator decl_end() const { return DG.end(); } 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// NullStmt - This is the null statement ";": C99 6.8.3p3. 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass NullStmt : public Stmt { 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation SemiLoc; 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NullStmt(SourceLocation L) : Stmt(NullStmtClass), SemiLoc(L) {} 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 290025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty null statement. 291025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty) { } 292025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 293d19cd90b266181c4a8d186adfa20ccebe73336ccAnders Carlsson NullStmt* Clone(ASTContext &C) const; 294d19cd90b266181c4a8d186adfa20ccebe73336ccAnders Carlsson 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getSemiLoc() const { return SemiLoc; } 296025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSemiLoc(SourceLocation L) { SemiLoc = L; } 297b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 298507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(SemiLoc); } 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == NullStmtClass; 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const NullStmt *) { return true; } 3048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3068297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundStmt - This represents a group of statements like { stmt stmt }. 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundStmt : public Stmt { 3138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt** Body; 3148189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek unsigned NumStmts; 315b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation LBracLoc, RBracLoc; 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek CompoundStmt(ASTContext& C, Stmt **StmtStart, unsigned numStmts, 3188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation LB, SourceLocation RB) 3198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek : Stmt(CompoundStmtClass), NumStmts(numStmts), LBracLoc(LB), RBracLoc(RB) { 320026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner if (NumStmts == 0) { 321026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = 0; 322026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner return; 323026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner } 324026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner 325026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner Body = new (C) Stmt*[NumStmts]; 326026dc96ac6ece60da5e1b98e2a71bd0ff0939fd8Chris Lattner memcpy(Body, StmtStart, numStmts * sizeof(*Body)); 3278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 328025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 329025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor // \brief Build an empty compound statement. 330025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CompoundStmt(EmptyShell Empty) 331025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor : Stmt(CompoundStmtClass, Empty), Body(0), NumStmts(0) { } 332025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 333025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts); 3348189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3358189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool body_empty() const { return NumStmts == 0; } 336025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor unsigned size() const { return NumStmts; } 337025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 3388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt** body_iterator; 3398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_begin() { return Body; } 3408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek body_iterator body_end() { return Body + NumStmts; } 3418189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Stmt *body_back() { return NumStmts ? Body[NumStmts-1] : 0; } 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef Stmt* const * const_body_iterator; 3448189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_begin() const { return Body; } 3458189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_body_iterator body_end() const { return Body + NumStmts; } 3468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const Stmt *body_back() const { return NumStmts ? Body[NumStmts-1] : 0; } 3478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 3488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<body_iterator> reverse_body_iterator; 3498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rbegin() { 3508189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_end()); 3518189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek reverse_body_iterator body_rend() { 3538189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return reverse_body_iterator(body_begin()); 3548189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3554ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3568189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek typedef std::reverse_iterator<const_body_iterator> 3578189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator; 3584ce854736dd196e2304f554ebeac8b43c89cf9e2Ted Kremenek 3598189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rbegin() const { 3608189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_end()); 3618189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 362b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 3638189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const_reverse_body_iterator body_rend() const { 3648189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return const_reverse_body_iterator(body_begin()); 3658189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3668189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek 367b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 368b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(LBracLoc, RBracLoc); 369b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 37054395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 371cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getLBracLoc() const { return LBracLoc; } 372025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setLBracLoc(SourceLocation L) { LBracLoc = L; } 373cc326204dd97771c336b9aab3b9963ea30d69c29Ted Kremenek SourceLocation getRBracLoc() const { return RBracLoc; } 374025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setRBracLoc(SourceLocation L) { RBracLoc = L; } 37554395d440dc82a5e51b945c6c2a7f4bc4bea0358Ted Kremenek 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CompoundStmtClass; 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundStmt *) { return true; } 3808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 3818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 3828297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 3838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 386c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson// SwitchCase is the base class for CaseStmt and DefaultStmt, 387c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass SwitchCase : public Stmt { 388103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenekprotected: 389c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // A pointer to the following CaseStmt or DefaultStmt class, 390c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // used by SwitchStmt. 391c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *NextSwitchCase; 392103fc81f12aa635aa0a573c94b1aceb496b4e587Ted Kremenek 393d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(StmtClass SC) : Stmt(SC), NextSwitchCase(0) {} 394c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 395c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonpublic: 396c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; } 397c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 398c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getNextSwitchCase() { return NextSwitchCase; } 399c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 400c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; } 401d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 402d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return v_getSubStmt(); } 403b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 404b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 405edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek 406c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const Stmt *T) { 407c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson return T->getStmtClass() == CaseStmtClass || 408c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson T->getStmtClass() == DefaultStmtClass; 409c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 410c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson static bool classof(const SwitchCase *) { return true; } 4113fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattnerprotected: 4123fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() = 0; 413c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson}; 414c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 415c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass CaseStmt : public SwitchCase { 416d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek enum { SUBSTMT, LHS, RHS, END_EXPR }; 417d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for 418d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // GNU "case 1 ... 4" extension 419b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation CaseLoc; 4203fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 42224e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc) 423d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek : SwitchCase(CaseStmtClass) { 42424e1e707b4c362f18e371e2bbf054a8345b57bfaChris Lattner SubExprs[SUBSTMT] = 0; 425d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs); 426d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs); 427b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff CaseLoc = caseLoc; 428d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek } 429025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 430025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty switch case statement. 431025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass) { } 432025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 433764a7ce5217f9569e100a3445f47496ee82daf86Chris Lattner SourceLocation getCaseLoc() const { return CaseLoc; } 434025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCaseLoc(SourceLocation L) { CaseLoc = L; } 435025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 436d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); } 437d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); } 438d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubExprs[SUBSTMT]; } 439025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 44051b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getLHS() const { 44151b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[LHS]); 44251b09f2c528c8460b5465c676173324e44176d62Devang Patel } 44351b09f2c528c8460b5465c676173324e44176d62Devang Patel const Expr *getRHS() const { 44451b09f2c528c8460b5465c676173324e44176d62Devang Patel return reinterpret_cast<const Expr*>(SubExprs[RHS]); 44551b09f2c528c8460b5465c676173324e44176d62Devang Patel } 44651b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; } 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 44820dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; } 44920dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); } 45020dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); } 45120dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 45220dabe8b8ff7ed6d2d0158fee43755a4bc7642c3Chris Lattner 4533fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual SourceRange getSourceRange() const { 4543fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner // Handle deeply nested case statements with iteration instead of recursion. 4553fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner const CaseStmt *CS = this; 45691ee0140ecb60b5c1402edc9e577257636c4ca60Chris Lattner while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt())) 4573fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner CS = CS2; 4583fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner 4593fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner return SourceRange(CaseLoc, CS->getSubStmt()->getLocEnd()); 460b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CaseStmtClass; 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CaseStmt *) { return true; } 465d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 466d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 467d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 468d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 471c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlssonclass DefaultStmt : public SwitchCase { 472d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt* SubStmt; 4736c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation DefaultLoc; 4743fb94a4918bd427fdb12df997dd87fd1017f0388Chris Lattner virtual Stmt* v_getSubStmt() { return getSubStmt(); } 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 476edcc752060be38bfa7e7b32691c0cc4d843622a8Ted Kremenek DefaultStmt(SourceLocation DL, Stmt *substmt) : 477d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek SwitchCase(DefaultStmtClass), SubStmt(substmt), DefaultLoc(DL) {} 478025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 479025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty default statement. 480025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit DefaultStmt(EmptyShell) : SwitchCase(DefaultStmtClass) { } 481025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 482d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek Stmt *getSubStmt() { return SubStmt; } 48351b09f2c528c8460b5465c676173324e44176d62Devang Patel const Stmt *getSubStmt() const { return SubStmt; } 484025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSubStmt(Stmt *S) { SubStmt = S; } 485025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 4866c36be5b383875b490684bcf439d6d427298c1afChris Lattner SourceLocation getDefaultLoc() const { return DefaultLoc; } 487025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setDefaultLoc(SourceLocation L) { DefaultLoc = L; } 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 489b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 490b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DefaultLoc, SubStmt->getLocEnd()); 491b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DefaultStmtClass; 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DefaultStmt *) { return true; } 496d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek 497d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek // Iterators 498d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_begin(); 499d97bb6c1384cb773ba5cdbd198008dec127cebadTed Kremenek virtual child_iterator child_end(); 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LabelStmt : public Stmt { 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *Label; 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *SubStmt; 505b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IdentLoc; 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 507b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff LabelStmt(SourceLocation IL, IdentifierInfo *label, Stmt *substmt) 508b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(LabelStmtClass), Label(label), 509b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SubStmt(substmt), IdentLoc(IL) {} 5101de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 5111de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor // \brief Build an empty label statement. 5121de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { } 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getIdentLoc() const { return IdentLoc; } 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IdentifierInfo *getID() const { return Label; } 5161de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setID(IdentifierInfo *II) { Label = II; } 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getName() const; 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Stmt *getSubStmt() { return SubStmt; } 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Stmt *getSubStmt() const { return SubStmt; } 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentLoc(SourceLocation L) { IdentLoc = L; } 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setSubStmt(Stmt *SS) { SubStmt = SS; } 522b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 523b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 524b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IdentLoc, SubStmt->getLocEnd()); 525b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == LabelStmtClass; 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const LabelStmt *) { return true; } 5308297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5318297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5328297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5338297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IfStmt - This represents an if/then/else. 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IfStmt : public Stmt { 5408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, THEN, ELSE, END_EXPR }; 5418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 542b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation IfLoc; 543d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation ElseLoc; 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 545d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor IfStmt(SourceLocation IL, Expr *cond, Stmt *then, 546d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation EL = SourceLocation(), Stmt *elsev = 0) 547b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(IfStmtClass) { 5488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 5498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[THEN] = then; 5508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[ELSE] = elsev; 551b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff IfLoc = IL; 552d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor ElseLoc = EL; 5538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 555025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty if/then/else statement 556025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { } 557025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 5588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 559025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 5608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getThen() const { return SubExprs[THEN]; } 561025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setThen(Stmt *S) { SubExprs[THEN] = S; } 5628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getElse() const { return SubExprs[ELSE]; } 563025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setElse(Stmt *S) { SubExprs[ELSE] = S; } 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 5668297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getThen() { return SubExprs[THEN]; } 5678297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getElse() { return SubExprs[ELSE]; } 568b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 569025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getIfLoc() const { return IfLoc; } 570025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setIfLoc(SourceLocation L) { IfLoc = L; } 571d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor SourceLocation getElseLoc() const { return ElseLoc; } 572d06f6ca61062f85926eb9d409eb3d4f8afcf93c7Douglas Gregor void setElseLoc(SourceLocation L) { ElseLoc = L; } 573025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 574b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 575b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff if (SubExprs[ELSE]) 576b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[ELSE]->getLocEnd()); 577b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff else 578b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(IfLoc, SubExprs[THEN]->getLocEnd()); 579b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IfStmtClass; 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IfStmt *) { return true; } 5858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 5868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 5878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 5888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SwitchStmt - This represents a 'switch' stmt. 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SwitchStmt : public Stmt { 5948297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 5958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 596c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson // This points to a linked list of case and default statements. 597c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *FirstCase; 5989dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SourceLocation SwitchLoc; 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6008297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SwitchStmt(Expr *cond) : Stmt(SwitchStmtClass), FirstCase(0) { 6018297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6028297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = NULL; 6038297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 605025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build a empty switch statement. 606025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { } 607025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 6088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 6098297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 610c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson const SwitchCase *getSwitchCaseList() const { return FirstCase; } 611c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 6128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);} 613025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); } 6148297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 615025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 616c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson SwitchCase *getSwitchCaseList() { return FirstCase; } 617025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchCaseList(SwitchCase *SC) { FirstCase = SC; } 618025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 619025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getSwitchLoc() const { return SwitchLoc; } 620025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setSwitchLoc(SourceLocation L) { SwitchLoc = L; } 621c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson 6229dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff void setBody(Stmt *S, SourceLocation SL) { 6239dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SubExprs[BODY] = S; 6249dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff SwitchLoc = SL; 6259dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 626c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson void addSwitchCase(SwitchCase *SC) { 627c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor assert(!SC->getNextSwitchCase() && "case/default already added to a switch"); 628c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor SC->setNextSwitchCase(FirstCase); 629c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson FirstCase = SC; 630c1fcb7762673be706b0a40477d5e93411e918f93Anders Carlsson } 6319dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff virtual SourceRange getSourceRange() const { 6329dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff return SourceRange(SwitchLoc, SubExprs[BODY]->getLocEnd()); 6339dcbfa450d751bd68fc4af8b75da381d4f6984b9Steve Naroff } 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SwitchStmtClass; 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SwitchStmt *) { return true; } 6388297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6398297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6408297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6418297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// WhileStmt - This represents a 'while' stmt. 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass WhileStmt : public Stmt { 6488297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 650b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation WhileLoc; 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 652b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileStmt(Expr *cond, Stmt *body, SourceLocation WL) : Stmt(WhileStmtClass) { 6538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 655b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff WhileLoc = WL; 6568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 658d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty while statement. 659d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { } 660d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 6618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 6628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 663d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 6648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 6658297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 666d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 667d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 668d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 669d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 670b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 671b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 672b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(WhileLoc, SubExprs[BODY]->getLocEnd()); 673b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == WhileStmtClass; 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const WhileStmt *) { return true; } 6788297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 6798297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 6808297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 6818297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DoStmt - This represents a 'do/while' stmt. 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DoStmt : public Stmt { 6878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { COND, BODY, END_EXPR }; 6888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; 689b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation DoLoc; 6909f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation WhileLoc; 6919f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6939f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL) 6949f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL) { 6958297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[COND] = reinterpret_cast<Stmt*>(cond); 6968297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek SubExprs[BODY] = body; 697b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff DoLoc = DL; 6989f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor WhileLoc = WL; 6998297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek } 70067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 70167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty do-while statement. 70267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { } 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7048297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7058297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 70667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 7078297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7088297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 70967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 71067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 71167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getDoLoc() const { return DoLoc; } 71267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setDoLoc(SourceLocation L) { DoLoc = L; } 7139f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor SourceLocation getWhileLoc() const { return WhileLoc; } 7149f3ca2a7747bd47f14d7693f333103fac29a24d2Douglas Gregor void setWhileLoc(SourceLocation L) { WhileLoc = L; } 715b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 716b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 717b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(DoLoc, SubExprs[BODY]->getLocEnd()); 718b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DoStmtClass; 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DoStmt *) { return true; } 7238297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7248297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7258297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7268297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the init/cond/inc parts of the ForStmt will be null if they were not 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified in the source. 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ForStmt : public Stmt { 7358297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek enum { INIT, COND, INC, BODY, END_EXPR }; 7368297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt. 737b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff SourceLocation ForLoc; 7385831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LParenLoc, RParenLoc; 7395831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7415831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor ForStmt(Stmt *Init, Expr *Cond, Expr *Inc, Stmt *Body, SourceLocation FL, 7425831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation LP, SourceLocation RP) 743b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff : Stmt(ForStmtClass) { 744af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INIT] = Init; 745af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[COND] = reinterpret_cast<Stmt*>(Cond); 746af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[INC] = reinterpret_cast<Stmt*>(Inc); 747af458c9f658335bdea482395ff4a25c75935e129Chris Lattner SubExprs[BODY] = Body; 748b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff ForLoc = FL; 7495831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor LParenLoc = LP; 7505831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor RParenLoc = RP; 751af458c9f658335bdea482395ff4a25c75935e129Chris Lattner } 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 75367d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor /// \brief Build an empty for statement. 75467d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { } 75567d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 7568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getInit() { return SubExprs[INIT]; } 7578297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); } 7588297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7598297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek Stmt *getBody() { return SubExprs[BODY]; } 7608297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7618297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getInit() const { return SubExprs[INIT]; } 7628297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);} 7638297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); } 7648297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek const Stmt *getBody() const { return SubExprs[BODY]; } 765b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 76667d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInit(Stmt *S) { SubExprs[INIT] = S; } 76767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); } 76867d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); } 76967d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setBody(Stmt *S) { SubExprs[BODY] = S; } 77067d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 77167d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor SourceLocation getForLoc() const { return ForLoc; } 77267d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor void setForLoc(SourceLocation L) { ForLoc = L; } 7735831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getLParenLoc() const { return LParenLoc; } 7745831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setLParenLoc(SourceLocation L) { LParenLoc = L; } 7755831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 7765831c6a1efc47e6a19d82fe3dd25b5b8fef6979dDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 77767d8249924ef38a5375ff9c92cd21c1854d6ababDouglas Gregor 778b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff virtual SourceRange getSourceRange() const { 779b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff return SourceRange(ForLoc, SubExprs[BODY]->getLocEnd()); 780b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff } 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ForStmtClass; 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ForStmt *) { return true; } 7858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 7868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 7878297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 7888297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7900196cab54007ff072ec2642da8911c6b7e8d3fb5Fariborz Jahanian 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GotoStmt - This represents a direct goto. 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass GotoStmt : public Stmt { 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 795507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation GotoLoc; 79661f62165220e75694fe333179c78815e2e48d71fTed Kremenek SourceLocation LabelLoc; 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 79861f62165220e75694fe333179c78815e2e48d71fTed Kremenek GotoStmt(LabelStmt *label, SourceLocation GL, SourceLocation LL) 79961f62165220e75694fe333179c78815e2e48d71fTed Kremenek : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {} 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8011de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor /// \brief Build an empty goto statement. 8021de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { } 8031de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 8051de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabel(LabelStmt *S) { Label = S; } 8061de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor 8071de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getGotoLoc() const { return GotoLoc; } 8081de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setGotoLoc(SourceLocation L) { GotoLoc = L; } 8091de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor SourceLocation getLabelLoc() const { return LabelLoc; } 8101de05feeeafe5b215fe7617594a7076a5192a6e2Douglas Gregor void setLabelLoc(SourceLocation L) { LabelLoc = L; } 811b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 812507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 81361f62165220e75694fe333179c78815e2e48d71fTed Kremenek return SourceRange(GotoLoc, LabelLoc); 814507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == GotoStmtClass; 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const GotoStmt *) { return true; } 8198297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8208297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8218297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8228297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// IndirectGotoStmt - This represents an indirect goto. 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IndirectGotoStmt : public Stmt { 828ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation GotoLoc; 8291060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *Target; 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 831ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner IndirectGotoStmt(SourceLocation gotoLoc, Expr *target) 832ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), Target((Stmt*)target) {} 8337d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor 8347d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor /// \brief Build an empty indirect goto statement. 8357d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor explicit IndirectGotoStmt(EmptyShell Empty) 8367d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor : Stmt(IndirectGotoStmtClass, Empty) { } 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 838ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner void setGotoLoc(SourceLocation L) { GotoLoc = L; } 839ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner SourceLocation getGotoLoc() const { return GotoLoc; } 840ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner 8411060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getTarget(); 8421060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getTarget() const; 8437d5c2f241c74e5f8d9ec492e8f9f268e5e9ae41fDouglas Gregor void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); } 844b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 845ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner virtual SourceRange getSourceRange() const { 846ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner return SourceRange(GotoLoc, Target->getLocEnd()); 847ad56d684259f706b7c0ae5ad9c23adb4f2926817Chris Lattner } 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IndirectGotoStmtClass; 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IndirectGotoStmt *) { return true; } 8538297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8548297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8558297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8568297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ContinueStmt - This represents a continue. 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ContinueStmt : public Stmt { 863507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation ContinueLoc; 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 865507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {} 866b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 867d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor /// \brief Build an empty continue statement. 868d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { } 869d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 870d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor SourceLocation getContinueLoc() const { return ContinueLoc; } 871d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor void setContinueLoc(SourceLocation L) { ContinueLoc = L; } 872d921cf976b4769af8d06d6763a2547dadf7940abDouglas Gregor 873507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { 874507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff return SourceRange(ContinueLoc); 875507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff } 876861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 877861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor ContinueStmt* Clone(ASTContext &C) const; 878861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ContinueStmtClass; 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ContinueStmt *) { return true; } 8838297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 8848297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 8858297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 8868297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BreakStmt - This represents a break. 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BreakStmt : public Stmt { 892507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation BreakLoc; 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 894507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {} 895b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 896025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor /// \brief Build an empty break statement. 897025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { } 898025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 899025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor SourceLocation getBreakLoc() const { return BreakLoc; } 900025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor void setBreakLoc(SourceLocation L) { BreakLoc = L; } 901025452fa0eda63e150cfaeebe64f0a19c96b3a06Douglas Gregor 902507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(BreakLoc); } 903b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 904861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor BreakStmt* Clone(ASTContext &C) const; 905861ce3178c70cfb0fa50baf685e1ad363538eaa9Douglas Gregor 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == BreakStmtClass; 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BreakStmt *) { return true; } 9108297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9118297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9128297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9138297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 917c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// ReturnStmt - This represents a return, optionally of an expression: 918c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return; 919c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return 4; 920c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// 921c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// Note that GCC allows return with no argument in a function declared to 922c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return a value, and it allows returning a value in functions declared to 923c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// return void. We explicitly model this in the AST, which means you can't 924c8edf6bd5f76bf50411d037c83d36847edfa68f0Chris Lattner/// depend on the return type of the function and the presence of an argument. 9255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ReturnStmt : public Stmt { 9271060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Stmt *RetExpr; 928507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff SourceLocation RetLoc; 9295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 930507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff ReturnStmt(SourceLocation RL, Expr *E = 0) : Stmt(ReturnStmtClass), 9311060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek RetExpr((Stmt*) E), RetLoc(RL) {} 9320de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 9330de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor /// \brief Build an empty return expression. 9340de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { } 9350de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 9361060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek const Expr *getRetValue() const; 9371060aff23f72135f8b50034a1e80f16725ebc56cTed Kremenek Expr *getRetValue(); 9380de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); } 9390de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor 9400de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor SourceLocation getReturnLoc() const { return RetLoc; } 9410de9d8857b715c2f45c987651f4ce06d73330d93Douglas Gregor void setReturnLoc(SourceLocation L) { RetLoc = L; } 942b5a69586f1b8855ee4c1f0bb7a8f0ff4fe32ce09Steve Naroff 943507f2d5811bd7da1a4d9d2f4960f32177dfab9deSteve Naroff virtual SourceRange getSourceRange() const; 9445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ReturnStmtClass; 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReturnStmt *) { return true; } 9498297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek 9508297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek // Iterators 9518297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_begin(); 9528297777fbe19c4d39e8a70c55346474868055fa1Ted Kremenek virtual child_iterator child_end(); 9535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 955fe795956194141c91ae555985c9b930595bff43fChris Lattner/// AsmStmt - This represents a GNU inline-assembly statement extension. 956fe795956194141c91ae555985c9b930595bff43fChris Lattner/// 957fe795956194141c91ae555985c9b930595bff43fChris Lattnerclass AsmStmt : public Stmt { 958fe795956194141c91ae555985c9b930595bff43fChris Lattner SourceLocation AsmLoc, RParenLoc; 9596a0ef4b83c91a6d6d5acb4ed5577c4659fe022a3Anders Carlsson StringLiteral *AsmStr; 960b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 961dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool IsSimple; 96239c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool IsVolatile; 96339c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson 964b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumOutputs; 965b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned NumInputs; 966b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 967b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<std::string, 4> Names; 968b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Constraints; 969ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek llvm::SmallVector<Stmt*, 4> Exprs; 970b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 971b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson llvm::SmallVector<StringLiteral*, 4> Clobbers; 972fe795956194141c91ae555985c9b930595bff43fChris Lattnerpublic: 973dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson AsmStmt(SourceLocation asmloc, bool issimple, bool isvolatile, 974dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson unsigned numoutputs, unsigned numinputs, 975dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson std::string *names, StringLiteral **constraints, 976db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, 977db6ed1786bf460e1143f67d14bf2d71ad9856f81Chris Lattner StringLiteral **clobbers, SourceLocation rparenloc); 978b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 979cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor /// \brief Build an empty inline-assembly statement. 980cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor explicit AsmStmt(EmptyShell Empty) : Stmt(AsmStmtClass, Empty) { } 981cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 982cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getAsmLoc() const { return AsmLoc; } 983cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmLoc(SourceLocation L) { AsmLoc = L; } 984cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor SourceLocation getRParenLoc() const { return RParenLoc; } 985cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setRParenLoc(SourceLocation L) { RParenLoc = L; } 986cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 98739c47b56f45437bbc49c9568b7308a400234a730Anders Carlsson bool isVolatile() const { return IsVolatile; } 988cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setVolatile(bool V) { IsVolatile = V; } 989dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson bool isSimple() const { return IsSimple; } 990cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setSimple(bool V) { IsSimple = false; } 991dfab34a696d1dba8622248c31aaf605906cb6109Anders Carlsson 992458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //===--- Asm String Analysis ---===// 993458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 994458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const StringLiteral *getAsmString() const { return AsmStr; } 995458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner StringLiteral *getAsmString() { return AsmStr; } 996cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setAsmString(StringLiteral *E) { AsmStr = E; } 997cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 998458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AsmStringPiece - this is part of a decomposed asm string specification 999458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// (for use with the AnalyzeAsmString function below). An asm string is 1000458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// considered to be a concatenation of these parts. 1001458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner class AsmStringPiece { 1002458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1003458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner enum Kind { 1004458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%". 1005458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Operand // Operand reference, with optional modifier %c4. 1006458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1007458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner private: 1008458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Kind MyKind; 1009458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner std::string Str; 1010458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned OperandNo; 1011458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner public: 1012458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {} 1013458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner AsmStringPiece(unsigned OpNo, char Modifier) 1014458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner : MyKind(Operand), Str(), OperandNo(OpNo) { 1015458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner Str += Modifier; 1016458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1017458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1018458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isString() const { return MyKind == String; } 1019458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner bool isOperand() const { return MyKind == Operand; } 1020458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1021458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner const std::string &getString() const { 1022458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isString()); 1023458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str; 1024458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1025458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1026458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner unsigned getOperandNo() const { 1027458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1028458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return OperandNo; 1029458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1030458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1031458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// getModifier - Get the modifier for this operand, if present. This 1032458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// returns '\0' if there was no modifier. 1033458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner char getModifier() const { 1034458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner assert(isOperand()); 1035458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner return Str[0]; 1036458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner } 1037458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner }; 1038458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1039458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing 1040458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// it into pieces. If the asm string is erroneous, emit errors and return 1041458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// true, otherwise return false. This handles canonicalization and 1042458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner /// translation of strings from GCC syntax to LLVM IR syntax, and handles 1043458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner //// flattening of named references like %[foo] to Operand AsmStringPiece's. 1044fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner unsigned AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece> &Pieces, 1045fb5058ef67c054296c88db18ab1b3717845cb71dChris Lattner ASTContext &C, unsigned &DiagOffs) const; 1046458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1047458cd9c8a79b25b87dcea43c9d97a4c59f194799Chris Lattner 1048b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Output operands ---===// 1049b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1050b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumOutputs() const { return NumOutputs; } 1051ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1052ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getOutputName(unsigned i) const { 1053ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i]; 1054ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1055ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1056b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getOutputConstraint - Return the constraint string for the specified 1057b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// output operand. All output constraints are known to be non-empty (either 1058b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// '=' or '+'). 1059b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getOutputConstraint(unsigned i) const; 1060b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1061b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getOutputConstraintLiteral(unsigned i) const { 1062ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i]; 1063ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1064b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getOutputConstraintLiteral(unsigned i) { 1065b327793860737d1c103a73aeda8057dd628a101dChris Lattner return Constraints[i]; 1066b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1067b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1068b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1069ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getOutputExpr(unsigned i); 1070b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson 1071b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getOutputExpr(unsigned i) const { 1072b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getOutputExpr(i); 1073b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1074b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1075b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// isOutputPlusConstraint - Return true if the specified output constraint 1076b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is a "+" constraint (which is both an input and an output) or false if it 1077b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// is an "=" constraint (just an output). 1078b327793860737d1c103a73aeda8057dd628a101dChris Lattner bool isOutputPlusConstraint(unsigned i) const { 1079b327793860737d1c103a73aeda8057dd628a101dChris Lattner return getOutputConstraint(i)[0] == '+'; 1080b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1081b327793860737d1c103a73aeda8057dd628a101dChris Lattner 108285759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// getNumPlusOperands - Return the number of output operands that have a "+" 108385759278332404e96d4bb89d0e976e46158cd026Chris Lattner /// constraint. 108485759278332404e96d4bb89d0e976e46158cd026Chris Lattner unsigned getNumPlusOperands() const; 108585759278332404e96d4bb89d0e976e46158cd026Chris Lattner 1086b327793860737d1c103a73aeda8057dd628a101dChris Lattner //===--- Input operands ---===// 1087b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1088b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumInputs() const { return NumInputs; } 1089ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1090ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const std::string &getInputName(unsigned i) const { 1091ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Names[i + NumOutputs]; 1092ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1093b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1094b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// getInputConstraint - Return the specified input constraint. Unlike output 1095b327793860737d1c103a73aeda8057dd628a101dChris Lattner /// constraints, these can be empty. 1096b327793860737d1c103a73aeda8057dd628a101dChris Lattner std::string getInputConstraint(unsigned i) const; 1097b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1098b327793860737d1c103a73aeda8057dd628a101dChris Lattner const StringLiteral *getInputConstraintLiteral(unsigned i) const { 1099ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1100ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1101b327793860737d1c103a73aeda8057dd628a101dChris Lattner StringLiteral *getInputConstraintLiteral(unsigned i) { 1102ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return Constraints[i + NumOutputs]; 1103ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1104b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1105b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1106ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek Expr *getInputExpr(unsigned i); 1107b327793860737d1c103a73aeda8057dd628a101dChris Lattner 1108b327793860737d1c103a73aeda8057dd628a101dChris Lattner const Expr *getInputExpr(unsigned i) const { 1109b327793860737d1c103a73aeda8057dd628a101dChris Lattner return const_cast<AsmStmt*>(this)->getInputExpr(i); 1110b327793860737d1c103a73aeda8057dd628a101dChris Lattner } 1111cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1112cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setOutputsAndInputs(unsigned NumOutputs, 1113cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor unsigned NumInputs, 1114cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor const std::string *Names, 1115cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor StringLiteral **Constraints, 1116cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor Stmt **Exprs); 1117cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 111810ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner //===--- Other ---===// 111910ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 112010ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// getNamedOperand - Given a symbolic operand reference like %[foo], 112110ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// translate this into a numeric value needed to reference the same operand. 112210ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner /// This returns -1 if the operand name is invalid. 112310ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner int getNamedOperand(const std::string &SymbolicName) const; 112410ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 112510ca96ae9aed6906c3302403ef1a146a8d4c6b74Chris Lattner 1126d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson 1127b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson unsigned getNumClobbers() const { return Clobbers.size(); } 1128b235fc2cf37621c7fc6511bb2b8788c95f9fb9fcAnders Carlsson StringLiteral *getClobber(unsigned i) { return Clobbers[i]; } 1129d04c6e23f2e10eeb9936778d67f4a1c4a14cc4f6Anders Carlsson const StringLiteral *getClobber(unsigned i) const { return Clobbers[i]; } 1130cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor void setClobbers(StringLiteral **Clobbers, unsigned NumClobbers); 1131cd7d5a9dc558178ed7a66032f888781b3c592e4fDouglas Gregor 1132fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual SourceRange getSourceRange() const { 1133fe795956194141c91ae555985c9b930595bff43fChris Lattner return SourceRange(AsmLoc, RParenLoc); 1134fe795956194141c91ae555985c9b930595bff43fChris Lattner } 1135fe795956194141c91ae555985c9b930595bff43fChris Lattner 1136fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const Stmt *T) {return T->getStmtClass() == AsmStmtClass;} 1137fe795956194141c91ae555985c9b930595bff43fChris Lattner static bool classof(const AsmStmt *) { return true; } 1138fe795956194141c91ae555985c9b930595bff43fChris Lattner 1139ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Input expr iterators. 1140ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1141ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator inputs_iterator; 1142ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_inputs_iterator; 1143ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1144ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator begin_inputs() { 1145ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1146ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1147ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1148ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek inputs_iterator end_inputs() { 1149ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs; 1150ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1151ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1152ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator begin_inputs() const { 1153ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs; 1154ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek } 1155ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek 1156ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_inputs_iterator end_inputs() const { 1157ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek return &Exprs[0] + NumOutputs + NumInputs;} 1158ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1159ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Output expr iterators. 1160ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1161ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ExprIterator outputs_iterator; 1162ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek typedef ConstExprIterator const_outputs_iterator; 1163ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1164ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek outputs_iterator begin_outputs() { return &Exprs[0]; } 1165ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek outputs_iterator end_outputs() { return &Exprs[0] + NumOutputs; } 1166ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1167ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek const_outputs_iterator begin_outputs() const { return &Exprs[0]; } 1168ce2fc3a343ea6098a96d587071cee7299f11957aTed Kremenek const_outputs_iterator end_outputs() const { return &Exprs[0] + NumOutputs; } 1169ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 117045b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson // Input name iterator. 117145b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 117245b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *begin_output_names() const { 117345b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0]; 117445b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 117545b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 117645b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson const std::string *end_output_names() const { 117745b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson return &Names[0] + NumOutputs; 117845b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson } 117945b050e72d058131e6f169fe54888bb91a003fb5Anders Carlsson 1180ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek // Child iterators 1181ec2f7dccb1f30ae137f74e764e44c2332b0a2ec0Ted Kremenek 1182fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_begin(); 1183fe795956194141c91ae555985c9b930595bff43fChris Lattner virtual child_iterator child_end(); 1184fe795956194141c91ae555985c9b930595bff43fChris Lattner}; 118578492dae00fb85e0da0f966df4745edafdafb66cTed Kremenek 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 11875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1189