Expr.h revision 66b5a8a39088598c01a9fa6f032dc908612dc8ec
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Expr.h - Classes for representing expressions ----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 55f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file was developed by Chris Lattner and is distributed under 65f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// the University of Illinois Open Source License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Expr interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_EXPR_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_EXPR_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Stmt.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Type.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Decl.h" 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/APSInt.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 25590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(StmtClass SC, QualType T) : Stmt(SC), TR(T) {} 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getType() const { return TR; } 37fa2eaabd304172dd8afc561f6156a65f8d0e442bSteve Naroff void setType(QualType t) { TR = t; } 3877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLocStart() const { return getSourceRange().Begin(); } 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLocEnd() const { return getSourceRange().End(); } 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 6308ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 69fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 72ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isLvalueResult isLvalue() const; 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 83fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ArrayType 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 89ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isModifiableLvalueResult isModifiableLvalue() const; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 91590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 97590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 98590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 100590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APSInt X(32); 102590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Decl *D; // a ValueDecl or EnumConstantDecl 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DeclRefExpr(Decl *d, QualType t, SourceLocation l) : 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Decl *getDecl() { return D; } 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Decl *getDecl() const { return D; } 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 13477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 13577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 13677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 13777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 140ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// PreDefinedExpr - [C99 6.4.2.2] - A pre-defined identifier such as __func__. 141227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonclass PreDefinedExpr : public Expr { 142227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 143227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 144227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 145227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 146227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PrettyFunction 147227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 148227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 149227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 150227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 151227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 152227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 153227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PreDefinedExpr(SourceLocation l, QualType type, IdentType IT) 154227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson : Expr(PreDefinedExprClass, type), Loc(l), Type(IT) {} 155227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 156227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 157227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 158227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 159227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 160227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 161227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson return T->getStmtClass() == PreDefinedExprClass; 162227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 16377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek static bool classof(const PreDefinedExpr *) { return true; } 16477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 16577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 16677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 16777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 168227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 169227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 18777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 18877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 18977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 19077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2012eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 2022eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 21177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 21277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 21377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 21477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 2185d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner float Value; // FIXME: Change to APFloat 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatingLiteral(float value, QualType type, SourceLocation l) 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(FloatingLiteralClass, type), Value(value), Loc(l) {} 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer float getValue() const { return Value; } 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 23277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 23377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 23477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 23577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2385d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 2395d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 2405d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 2415d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 2425d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 2435d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 2445d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *Val; 2455d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 2465d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 2475d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 2485d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2495d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner const Expr *getSubExpr() const { return Val; } 2505d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *getSubExpr() { return Val; } 2515d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2525d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 2535d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 2545d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 2555d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 2565d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 2575d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2585d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 2595d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 2605d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 2615d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 2625d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 263e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 264e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 265e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 266e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// calling getByteLength(). 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 29177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 29277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 29377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 29477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(L, R); } 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 31477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 31577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 31677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 31777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 324dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 325dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 326dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 327dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 328dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 329dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 330dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 33173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 33273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 33373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 33473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 33713d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 34673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 34773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getDecl - a recursive routine that derives the base decl for an 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression. For example, it will return the declaration for "s" from 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the following complex expression "s.zz[2].bb.vv". 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isAddressable(Expr *e); 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 39377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 39477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 39577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 39677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 41376e773a443be9f006610f46529e07d4c8d857680Chris Lattner 41476e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(OpLoc, RParenLoc); } 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 42177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 42277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 42377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 42477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 43377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 43477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr* SubExprs[END_EXPR]; 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4372324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 43873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 43973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 44073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 44173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 44273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4442324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 4452324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 4462324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 4472324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 4482324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 44977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 45077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getLHS() { return SubExprs[LHS]; } 45177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getLHS() const { return SubExprs[LHS]; } 45277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 45377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getRHS() { return SubExprs[RHS]; } 45477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getRHS() const { return SubExprs[RHS]; } 4552324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 45677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 45777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 45877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 45977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4602324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 46177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 4622324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 4632324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 46477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 46577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 4662324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 4672324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 46877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 46977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 47077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 47177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 47477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 48277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 48377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 48477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 48577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 49277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 49377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr **SubExprs; 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 50077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 50377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getCallee() const { return SubExprs[FN]; } 50477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getCallee() { return SubExprs[FN]; } 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 51377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 51777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 52413b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBuiltinClassifyType(llvm::APSInt &Result) const; 52513b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 52777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 53477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 53577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 53677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 53777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l) 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(MemberExprClass, memberdecl->getType()), 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 5651237c673c07f9d827129ba02720108816abde562Ted Kremenek 5661237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 5671237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 5681237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5716481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// OCUVectorElementExpr - This represents access to specific elements of a 572cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 573cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element ocu vector. 57431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 5756481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass OCUVectorElementExpr : public Expr { 576fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 577fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 578fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 57931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 5806481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner enum ElementType { 581cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Point, // xywz 582cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Color, // rgba 583dd652cdb7046155437eeb3dff512768f0a57369bChris Lattner Texture // stpq 58431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff }; 5856481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner OCUVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 5866481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner SourceLocation loc) 5876481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(OCUVectorElementExprClass, ty), 5886481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 58931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 590cb92a118145c2a425666068d37c4049c38e24914Chris Lattner const Expr *getBase() const { return Base; } 591cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Expr *getBase() { return Base; } 592cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 593cb92a118145c2a425666068d37c4049c38e24914Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 594cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 5956481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getNumElements - Get the number of components being selected. 5966481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner unsigned getNumElements() const; 5974d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 5986481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getElementType - Determine whether the components of this access are 599cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// "point" "color" or "texture" elements. 6006481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner ElementType getElementType() const; 60131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 6026481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// containsDuplicateElements - Return true if any element access is 603cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// repeated. 6046481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner bool containsDuplicateElements() const; 605fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 606b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into a bit vector. 607b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// The encoding currently uses 2-bit bitfields, but clients should use the 608b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// accessors below to access them. 609b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// 610b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner unsigned getEncodedElementAccess() const; 611b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 612b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getAccessedFieldNo - Given an encoded value and a result number, return 613b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// the input field number being accessed. 614b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static unsigned getAccessedFieldNo(unsigned Idx, unsigned EncodedVal) { 615b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner return (EncodedVal >> (Idx*2)) & 3; 616b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 617b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 61831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 61931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 62031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 62131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 6226481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == OCUVectorElementExprClass; 62331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 6246481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const OCUVectorElementExpr *) { return true; } 6251237c673c07f9d827129ba02720108816abde562Ted Kremenek 6261237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6271237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6281237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 62931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 63031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 631aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 632aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 633aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 634aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 635aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 636aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff CompoundLiteralExpr(QualType ty, Expr *init) : 637aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr(CompoundLiteralExprClass, ty), Init(init) {} 638aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 63906184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner const Expr *getInitializer() const { return Init; } 64006184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner Expr *getInitializer() { return Init; } 641aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 64273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 64373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner if (Init) 64473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 64573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return SourceRange(); 64673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 647aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 648aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 649aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 650aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 651aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 6521237c673c07f9d827129ba02720108816abde562Ted Kremenek 6531237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6541237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6551237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 656aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 657aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 65849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 65949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 66049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 66149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 66249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 66349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 66449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 66549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 666d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 66749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 668d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 669d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 67090045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 671aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 67290045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 67349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 67449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 67549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 67649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 6771237c673c07f9d827129ba02720108816abde562Ted Kremenek 6781237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6791237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6801237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 68149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 68249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 6845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 69026dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 69149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 6935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, getSubExpr()->getSourceRange().End()); 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 7031237c673c07f9d827129ba02720108816abde562Ted Kremenek 7041237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7051237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7061237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 7125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 71303d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 7155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 73217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 73317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 73417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Expr* SubExprs[END_EXPR]; 73517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 73617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 73717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 73917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 74017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 74117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 7421237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 7431237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 74817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 7501237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 7511237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 772eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 773eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 774eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 7771237c673c07f9d827129ba02720108816abde562Ted Kremenek 7781237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7791237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7801237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7811237c673c07f9d827129ba02720108816abde562Ted Kremenek 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 78317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 78417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 78517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 7861237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 7871237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 80117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 80217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 80317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 80417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 813eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 8211237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 8221237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 8251237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 8261237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 8271237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8281237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8291237c673c07f9d827129ba02720108816abde562Ted Kremenek } 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8311237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 8321237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8331237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 8405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 8421237c673c07f9d827129ba02720108816abde562Ted Kremenek 8431237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8441237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8451237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8486481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 8496481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8536481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 8546481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 8556481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8646481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8666481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 8671237c673c07f9d827129ba02720108816abde562Ted Kremenek 8681237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8691237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8701237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 872ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 873ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 874ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 875ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 876ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 877ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 878ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 879ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 880d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 881d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 882d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 883ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 884ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 885ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 886ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 887ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 888ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 889ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 891ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 892ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 893ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 894ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 8951237c673c07f9d827129ba02720108816abde562Ted Kremenek 8961237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8971237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8981237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 899ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 900ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 901d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 902d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 903d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 904d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 905d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 906d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 907d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 908363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 909d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 910363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 911d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 912d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 913363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 914d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 9157f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 9167f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 917363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff 91873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner int typesAreCompatible() const {return Type::typesAreCompatible(Type1,Type2);} 919363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff 920d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 921363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 922d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 923d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 924d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 925d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 926d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 9271237c673c07f9d827129ba02720108816abde562Ted Kremenek 9281237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9291237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9301237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 931d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 932d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 933d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 934d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 935d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 936d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 937d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 938d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 939d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 9401237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 9411237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 942d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 943d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 944d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 945d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 946d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 9471237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 9481237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 9491237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9501237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9511237c673c07f9d827129ba02720108816abde562Ted Kremenek } 952c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 9531237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 9541237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 9551237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 9561237c673c07f9d827129ba02720108816abde562Ted Kremenek 957d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 958d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 959d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 960d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 961d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 962d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 963d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 9641237c673c07f9d827129ba02720108816abde562Ted Kremenek 9651237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9661237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9671237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 968d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 969d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 97066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson/// InitListExpr, used for struct and array initializers. 97166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 97266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr **InitExprs; 97366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned NumInits; 97466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 97566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 97666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 97766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 97866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson ~InitListExpr() { 97966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson delete [] InitExprs; 98066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 98166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 98266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned getNumInits() const { return NumInits; } 98366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 98466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 98566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 98666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 98766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 98866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 98966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 99066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 99166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 99266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 99366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 99466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 99566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 99666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 99766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 99866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 99966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 100066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 100166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 100266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 100366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 100466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 100566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 100666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 10075508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// ObjCStringLiteral, used for Objective-C string literals 10085508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// i.e. @"foo". 10095508518a2702b00be3b15a26d772bde968972f54Anders Carlssonclass ObjCStringLiteral : public Expr { 10105508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral *String; 10115508518a2702b00be3b15a26d772bde968972f54Anders Carlssonpublic: 10125508518a2702b00be3b15a26d772bde968972f54Anders Carlsson ObjCStringLiteral(StringLiteral *SL, QualType T) 10135508518a2702b00be3b15a26d772bde968972f54Anders Carlsson : Expr(ObjCStringLiteralClass, T), String(SL) {} 10145508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10155508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral* getString() { return String; } 10165508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10175508518a2702b00be3b15a26d772bde968972f54Anders Carlsson const StringLiteral* getString() const { return String; } 10185508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10195508518a2702b00be3b15a26d772bde968972f54Anders Carlsson virtual SourceRange getSourceRange() const { 10205508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return String->getSourceRange(); 10215508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 10225508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10235508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const Stmt *T) { 10245508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return T->getStmtClass() == ObjCStringLiteralClass; 10255508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 10265508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const ObjCStringLiteral *) { return true; } 10271237c673c07f9d827129ba02720108816abde562Ted Kremenek 10281237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10291237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10301237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 10315508518a2702b00be3b15a26d772bde968972f54Anders Carlsson}; 10325508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 1033f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// ObjCEncodeExpr, used for @encode in Objective-C. 1034f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonclass ObjCEncodeExpr : public Expr { 1035f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType EncType; 1036f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc, RParenLoc; 1037f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonpublic: 1038f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson ObjCEncodeExpr(QualType T, QualType ET, 1039f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation enc, SourceLocation rp) 1040f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson : Expr(ObjCEncodeExprClass, T), EncType(ET), EncLoc(enc), RParenLoc(rp) {} 1041f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1042f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceRange getSourceRange() const { return SourceRange(EncLoc, RParenLoc); } 1043f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1044f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType getEncodedType() const { return EncType; } 1045f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1046f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const Stmt *T) { 1047f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson return T->getStmtClass() == ObjCEncodeExprClass; 1048f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson } 1049f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const ObjCEncodeExpr *) { return true; } 10501237c673c07f9d827129ba02720108816abde562Ted Kremenek 10511237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10521237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10531237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1054f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson}; 1055f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 10565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 10575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1059