Expr.h revision 90045e8ebabf50d6f1b3a67081a621b20b5e5341
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; 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(StmtClass SC, QualType T) : Stmt(SC), TR(T) {} 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~Expr() {} 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getType() const { return TR; } 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLocStart() const { return getSourceRange().Begin(); } 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLocEnd() const { return getSourceRange().End(); } 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isLvalueResult isLvalue(); 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ArrayType 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isModifiableLvalueResult isModifiableLvalue(); 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNullPointerConstant() const; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerConstantExpr(llvm::APSInt &Result, SourceLocation *Loc = 0, 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerConstantExpr(SourceLocation *Loc = 0) const { 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APSInt X(32); 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return isIntegerConstantExpr(X, Loc); 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Decl *D; // a ValueDecl or EnumConstantDecl 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DeclRefExpr(Decl *d, QualType t, SourceLocation l) : 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Decl *getDecl() { return D; } 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Decl *getDecl() const { return D; } 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer float Value; // FIXME 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatingLiteral(float value, QualType type, SourceLocation l) 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(FloatingLiteralClass, type), Value(value), Loc(l) {} 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer float getValue() const { return Value; } 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(L, R); } 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Extension // __extension__ marker. 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getDecl - a recursive routine that derives the base decl for an 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression. For example, it will return the declaration for "s" from 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the following complex expression "s.zz[2].bb.vv". 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isAddressable(Expr *e); 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(OpLoc, RParenLoc); } 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base, *Idx; 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ArraySubscriptExpr(Expr *base, Expr *idx, QualType t, 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rbracketloc) : 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(ArraySubscriptExprClass, t), 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), Idx(idx), RBracketLoc(rbracketloc) {} 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() { return Base; } 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getBase() const { return Base; } 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getIdx() { return Idx; } 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getIdx() const { return Idx; } 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Base->getLocStart(), RBracketLoc); 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Fn; 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr **Args; 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer delete [] Args; 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getCallee() const { return Fn; } 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getCallee() { return Fn; } 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Args[Arg]; 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Args[Arg]; 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Fn->getLocStart(), RParenLoc); 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l) 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(MemberExprClass, memberdecl->getType()), 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 42949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 43049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 43149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 43249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 43349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 43449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 43549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 43649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 437d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 43849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 439d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 440d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 44190045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 44290045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } 44390045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 44449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff virtual void visit(StmtVisitor &Visitor); 44549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 44649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 44749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 44849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 44949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 45049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(CastExprClass, ty), Ty(ty), Op(op), Loc(l) {} 46049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getDestType() const { return Ty; } 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, getSubExpr()->getSourceRange().End()); 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 4915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 4935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy) 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(BinaryOperatorClass, ResTy), LHS(lhs), RHS(rhs), Opc(opc) { 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getLHS() const { return LHS; } 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getRHS() const { return RHS; } 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == BinaryOperatorClass; 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *LHS, *RHS; 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, bool dead) 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(BinaryOperatorClass, ResTy), LHS(lhs), RHS(rhs), Opc(opc) { 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResType, QualType CompType) 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : BinaryOperator(lhs, rhs, opc, ResType, true), ComputationType(CompType) { 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *B) { 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return B->isCompoundAssignmentOp(); 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return isa<BinaryOperator>(S) && classof(cast<BinaryOperator>(S)); 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Cond, *LHS, *RHS; // Left/Middle/Right hand sides. 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ConditionalOperatorClass, t), Cond(cond), LHS(lhs), RHS(rhs) {} 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getCond() const { return Cond; } 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getLHS() const { return LHS; } 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getRHS() const { return RHS; } 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AddrLabel - The GNU address of label extension, representing &&label. 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass AddrLabel : public Expr { 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrLabel(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, QualType t) 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(AddrLabelClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == AddrLabelClass; 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const AddrLabel *) { return true; } 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 617