Expr.h revision fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2
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 Spencer ~Expr() {} 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getType() const { return TR; } 38fa2eaabd304172dd8afc561f6156a65f8d0e442bSteve Naroff void setType(QualType t) { TR = t; } 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLocStart() const { return getSourceRange().Begin(); } 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLocEnd() const { return getSourceRange().End(); } 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 6408ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 70fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 73ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isLvalueResult isLvalue() const; 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 84fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ArrayType 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 90ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isModifiableLvalueResult isModifiableLvalue() const; 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 92590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 98590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 99590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 101590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APSInt X(32); 103590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Decl *D; // a ValueDecl or EnumConstantDecl 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DeclRefExpr(Decl *d, QualType t, SourceLocation l) : 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Decl *getDecl() { return D; } 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Decl *getDecl() const { return D; } 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 139ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// PreDefinedExpr - [C99 6.4.2.2] - A pre-defined identifier such as __func__. 140227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonclass PreDefinedExpr : public Expr { 141227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 142227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 143227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 144227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 145227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PrettyFunction 146227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 147227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 148227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 149227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 150227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 151227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 152227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PreDefinedExpr(SourceLocation l, QualType type, IdentType IT) 153227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson : Expr(PreDefinedExprClass, type), Loc(l), Type(IT) {} 154227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 155227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 156227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 157227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 158227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 159227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual void visit(StmtVisitor &Visitor); 160227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 161227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson return T->getStmtClass() == PreDefinedExprClass; 162227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 163227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const PreDefinedExpr *) { return true; } 164227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 165227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1942eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 1952eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer float Value; // FIXME 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatingLiteral(float value, QualType type, SourceLocation l) 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(FloatingLiteralClass, type), Value(value), Loc(l) {} 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer float getValue() const { return Value; } 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(L, R); } 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Extension // __extension__ marker. 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getDecl - a recursive routine that derives the base decl for an 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression. For example, it will return the declaration for "s" from 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the following complex expression "s.zz[2].bb.vv". 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isAddressable(Expr *e); 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 34976e773a443be9f006610f46529e07d4c8d857680Chris Lattner 35076e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(OpLoc, RParenLoc); } 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base, *Idx; 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ArraySubscriptExpr(Expr *base, Expr *idx, QualType t, 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rbracketloc) : 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(ArraySubscriptExprClass, t), 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), Idx(idx), RBracketLoc(rbracketloc) {} 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() { return Base; } 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getBase() const { return Base; } 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getIdx() { return Idx; } 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getIdx() const { return Idx; } 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Base->getLocStart(), RBracketLoc); 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Fn; 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr **Args; 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer delete [] Args; 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getCallee() const { return Fn; } 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getCallee() { return Fn; } 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Args[Arg]; 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Args[Arg]; 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Fn->getLocStart(), RParenLoc); 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l) 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(MemberExprClass, memberdecl->getType()), 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 46631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// OCUVectorComponent 46731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 46831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffclass OCUVectorComponent : public Expr { 469fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 470fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 471fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 47231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 47331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff enum ComponentType { 47431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff Point, 47531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff Color, 47631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff Texture 47731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff }; 47831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff OCUVectorComponent(QualType ty, Expr *base, IdentifierInfo &accessor, 47931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff SourceLocation loc) : Expr(OCUVectorComponentClass, ty), 48031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff Base(base), Accessor(accessor), AccessorLoc(loc) {} 48131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 48231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff Expr *getBase() const { return Base; } 48331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff IdentifierInfo & getAccessor() const { return Accessor; } 48431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff ComponentType getComponentType() const; 48531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 486fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff bool containsDuplicateComponents() const; 487fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 48831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 48931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 49031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 49131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual void visit(StmtVisitor &Visitor); 49231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 49331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return T->getStmtClass() == OCUVectorComponentClass; 49431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 49531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const OCUVectorComponent *) { return true; } 49631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 49731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 498aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 499aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 500aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 501aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 502aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 503aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff CompoundLiteralExpr(QualType ty, Expr *init) : 504aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr(CompoundLiteralExprClass, ty), Init(init) {} 505aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 506aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *getInitializer() const { return Init; } 507aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 508aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(); } // FIXME 509aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 510aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff virtual void visit(StmtVisitor &Visitor); 511aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 512aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 513aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 514aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 515aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 516aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 51749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 51849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 51949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 52049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 52149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 52249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 52349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 52449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 525d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 52649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 527d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 528d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 52990045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 530aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 53190045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 53249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff virtual void visit(StmtVisitor &Visitor); 53349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 53449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 53549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 53649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 53749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 53849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 54626dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 54749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, getSubExpr()->getSourceRange().End()); 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy) 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(BinaryOperatorClass, ResTy), LHS(lhs), RHS(rhs), Opc(opc) { 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getLHS() const { return LHS; } 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getRHS() const { return RHS; } 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == BinaryOperatorClass; 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *LHS, *RHS; 6215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 6225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 6235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, bool dead) 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(BinaryOperatorClass, ResTy), LHS(lhs), RHS(rhs), Opc(opc) { 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 6385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResType, QualType CompType) 6395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : BinaryOperator(lhs, rhs, opc, ResType, true), ComputationType(CompType) { 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *B) { 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return B->isCompoundAssignmentOp(); 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return isa<BinaryOperator>(S) && classof(cast<BinaryOperator>(S)); 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Cond, *LHS, *RHS; // Left/Middle/Right hand sides. 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ConditionalOperatorClass, t), Cond(cond), LHS(lhs), RHS(rhs) {} 6635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getCond() const { return Cond; } 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getLHS() const { return LHS; } 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getRHS() const { return RHS; } 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AddrLabel - The GNU address of label extension, representing &&label. 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass AddrLabel : public Expr { 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrLabel(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, QualType t) 6845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(AddrLabelClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual void visit(StmtVisitor &Visitor); 6935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == AddrLabelClass; 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const AddrLabel *) { return true; } 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 698ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 699ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 700ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 701ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 702ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 703ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 704ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 705ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 706ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner StmtExpr(CompoundStmt *substmt, QualType T, 707ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation lp, SourceLocation rp) 708ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner : Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { 709ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 710ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 711ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 712ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 713ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 714ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 715ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 716ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 718ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual void visit(StmtVisitor &Visitor); 719ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 720ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 721ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 722ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 723ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 724ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 728