Expr.h revision 525a05093a4816af961fe2bc6b8a81c17e2e26c2
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" 21525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner#include "llvm/ADT/APFloat.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 26590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 27563477da25f824e37c535131695dc4dc9b68c465Steve Naroff struct ObjcKeywordMessage; 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(StmtClass SC, QualType T) : Stmt(SC), TR(T) {} 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getType() const { return TR; } 39fa2eaabd304172dd8afc561f6156a65f8d0e442bSteve Naroff void setType(QualType t) { TR = t; } 4077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 6308ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 69fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 72ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isLvalueResult isLvalue() const; 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 83fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ArrayType 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 89ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isModifiableLvalueResult isModifiableLvalue() const; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 91590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 97590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 98590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 100590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APSInt X(32); 102590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10438374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff /// isConstantExpr - Return true if this expression is a valid constant expr. 10538374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff bool isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const; 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 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 { 1218e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *D; 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1248e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1278e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *getDecl() { return D; } 1288e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff const ValueDecl *getDecl() const { return D; } 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 13677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 13777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 13877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 13977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 142ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// PreDefinedExpr - [C99 6.4.2.2] - A pre-defined identifier such as __func__. 143227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonclass PreDefinedExpr : public Expr { 144227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 145227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 146227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 147227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 148227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PrettyFunction 149227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 150227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 151227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 152227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 153227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 154227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 155227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PreDefinedExpr(SourceLocation l, QualType type, IdentType IT) 156227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson : Expr(PreDefinedExprClass, type), Loc(l), Type(IT) {} 157227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 158227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 159227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 160227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 161227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 162227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 163227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson return T->getStmtClass() == PreDefinedExprClass; 164227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 16577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek static bool classof(const PreDefinedExpr *) { return true; } 16677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 16777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 16877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 16977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 170227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 171227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 18977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 19077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 19177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 19277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2032eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 2042eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 21377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 21477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 21577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 21677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 220525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 223525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner FloatingLiteral(const llvm::APFloat &V, QualType Type, SourceLocation L) 224525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner : Expr(FloatingLiteralClass, Type), Value(V), Loc(L) {} 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 226525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner float getValue() const { return Value.convertToDouble(); } 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 23477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 23577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 23677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 23777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2405d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 2415d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 2425d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 2435d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 2445d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 2455d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 2465d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *Val; 2475d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 2485d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 2495d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 2505d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2515d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner const Expr *getSubExpr() const { return Val; } 2525d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *getSubExpr() { return Val; } 2535d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2545d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 2555d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 2565d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 2575d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 2585d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 2595d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2605d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 2615d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 2625d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 2635d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 2645d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 265e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 266e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 267e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 268e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// calling getByteLength(). 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 29377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 29477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 29577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 29677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(L, R); } 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 31677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 31777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 31877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 31977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 326dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 327dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 328dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 329dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 330dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 331dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 332dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 33373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 33473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 33573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 33673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 33913d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 34873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 34973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getDecl - a recursive routine that derives the base decl for an 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression. For example, it will return the declaration for "s" from 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the following complex expression "s.zz[2].bb.vv". 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isAddressable(Expr *e); 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 39577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 39677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 39777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 39877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 41576e773a443be9f006610f46529e07d4c8d857680Chris Lattner 41676e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(OpLoc, RParenLoc); } 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 42377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 42477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 42577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 42677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 43577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 43677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr* SubExprs[END_EXPR]; 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4392324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 44073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 44173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 44273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 44373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 44473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4462324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 4472324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 4482324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 4492324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 4502324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 45177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 45277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getLHS() { return SubExprs[LHS]; } 45377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getLHS() const { return SubExprs[LHS]; } 45477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 45577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getRHS() { return SubExprs[RHS]; } 45677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getRHS() const { return SubExprs[RHS]; } 4572324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 45877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 45977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 46077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 46177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4622324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 46377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 4642324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 4652324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 46677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 46777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 4682324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 4692324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 47077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 47177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 47277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 47377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 47677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 48477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 48577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 48677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 48777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 49477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 49577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr **SubExprs; 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 50277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 50577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getCallee() const { return SubExprs[FN]; } 50677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getCallee() { return SubExprs[FN]; } 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 51577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 51977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 52613b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBuiltinClassifyType(llvm::APSInt &Result) const; 52713b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 52977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 53677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 53777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 53877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 53977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l) 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(MemberExprClass, memberdecl->getType()), 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 5671237c673c07f9d827129ba02720108816abde562Ted Kremenek 5681237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 5691237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 5701237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5736481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// OCUVectorElementExpr - This represents access to specific elements of a 574cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 575cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element ocu vector. 57631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 5776481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass OCUVectorElementExpr : public Expr { 578fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 579fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 580fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 58131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 5826481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner enum ElementType { 583cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Point, // xywz 584cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Color, // rgba 585dd652cdb7046155437eeb3dff512768f0a57369bChris Lattner Texture // stpq 58631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff }; 5876481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner OCUVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 5886481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner SourceLocation loc) 5896481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(OCUVectorElementExprClass, ty), 5906481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 59131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 592cb92a118145c2a425666068d37c4049c38e24914Chris Lattner const Expr *getBase() const { return Base; } 593cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Expr *getBase() { return Base; } 594cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 595cb92a118145c2a425666068d37c4049c38e24914Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 596cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 5976481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getNumElements - Get the number of components being selected. 5986481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner unsigned getNumElements() const; 5994d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 6006481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getElementType - Determine whether the components of this access are 601cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// "point" "color" or "texture" elements. 6026481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner ElementType getElementType() const; 60331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 6046481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// containsDuplicateElements - Return true if any element access is 605cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// repeated. 6066481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner bool containsDuplicateElements() const; 607fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 608b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into a bit vector. 609b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// The encoding currently uses 2-bit bitfields, but clients should use the 610b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// accessors below to access them. 611b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// 612b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner unsigned getEncodedElementAccess() const; 613b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 614b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getAccessedFieldNo - Given an encoded value and a result number, return 615b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// the input field number being accessed. 616b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static unsigned getAccessedFieldNo(unsigned Idx, unsigned EncodedVal) { 617b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner return (EncodedVal >> (Idx*2)) & 3; 618b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 619b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 62031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 62131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 62231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 62331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 6246481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == OCUVectorElementExprClass; 62531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 6266481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const OCUVectorElementExpr *) { return true; } 6271237c673c07f9d827129ba02720108816abde562Ted Kremenek 6281237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6291237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6301237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 63131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 63231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 633aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 634aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 635aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 636aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 637aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 638aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff CompoundLiteralExpr(QualType ty, Expr *init) : 639aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr(CompoundLiteralExprClass, ty), Init(init) {} 640aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 64106184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner const Expr *getInitializer() const { return Init; } 64206184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner Expr *getInitializer() { return Init; } 643aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 64473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 64573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner if (Init) 64673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 64773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return SourceRange(); 64873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 649aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 650aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 651aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 652aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 653aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 6541237c673c07f9d827129ba02720108816abde562Ted Kremenek 6551237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6561237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6571237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 658aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 659aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 66049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 66149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 66249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 66349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 66449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 66549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 66649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 66749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 668d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 66949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 670d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 671d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 67290045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 673aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 67490045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 67549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 67649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 67749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 67849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 6791237c673c07f9d827129ba02720108816abde562Ted Kremenek 6801237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6811237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6821237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 68349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 68449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 69226dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 69349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, getSubExpr()->getSourceRange().End()); 7005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 7051237c673c07f9d827129ba02720108816abde562Ted Kremenek 7061237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7071237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7081237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 7125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 71503d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 73417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 73517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 73617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Expr* SubExprs[END_EXPR]; 73717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 73817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 73917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 74117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 74217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 74317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 7441237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 7451237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 75017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 7521237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 7531237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 774eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 775eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 776eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 7791237c673c07f9d827129ba02720108816abde562Ted Kremenek 7801237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7811237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7821237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7831237c673c07f9d827129ba02720108816abde562Ted Kremenek 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 78517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 78617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 78717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 7881237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 7891237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 80317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 80417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 80517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 80617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 815eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 8231237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 8241237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 8271237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 8281237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 8291237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8301237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8311237c673c07f9d827129ba02720108816abde562Ted Kremenek } 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8331237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 8341237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8351237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 8425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 8441237c673c07f9d827129ba02720108816abde562Ted Kremenek 8451237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8461237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8471237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8506481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 8516481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8556481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 8566481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 8576481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8666481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8686481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 8691237c673c07f9d827129ba02720108816abde562Ted Kremenek 8701237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8711237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8721237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 874ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 875ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 876ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 877ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 878ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 879ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 880ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 881ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 882d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 883d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 884d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 885ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 886ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 887ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 888ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 889ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 890ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 891ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 893ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 894ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 895ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 896ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 8971237c673c07f9d827129ba02720108816abde562Ted Kremenek 8981237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8991237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9001237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 901ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 902ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 903d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 904d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 905d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 906d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 907d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 908d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 909d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 910363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 911d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 912363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 913d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 914d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 915363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 916d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 9177f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 9187f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 919363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff 92073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner int typesAreCompatible() const {return Type::typesAreCompatible(Type1,Type2);} 921363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff 922d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 923363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 924d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 925d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 926d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 927d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 928d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 9291237c673c07f9d827129ba02720108816abde562Ted Kremenek 9301237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9311237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9321237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 933d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 934d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 935d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 936d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 937d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 938d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 939d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 940d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 941d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 9421237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 9431237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 944d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 945d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 946d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 947d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 948d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 9491237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 9501237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 9511237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9521237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9531237c673c07f9d827129ba02720108816abde562Ted Kremenek } 954c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 9551237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 9561237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 9571237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 9581237c673c07f9d827129ba02720108816abde562Ted Kremenek 959d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 960d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 961d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 962d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 963d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 964d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 965d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 9661237c673c07f9d827129ba02720108816abde562Ted Kremenek 9671237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9681237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9691237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 970d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 971d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 97266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson/// InitListExpr, used for struct and array initializers. 97366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 97466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr **InitExprs; 97566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned NumInits; 97666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 97766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 97866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 97966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 98066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson ~InitListExpr() { 98166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson delete [] InitExprs; 98266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 98366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 98466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned getNumInits() const { return NumInits; } 98566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 98666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 98766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 98866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 98966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 99066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 99166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 99266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 99366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 99466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 99566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 9969e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 9979e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff assert(Init < NumInits && "Initializer access out of range!"); 9989e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 9999e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 10009e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 100166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 100266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 100366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 100466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 100566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 100666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 100766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 100866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 100966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 101066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 101166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 101266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 101366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 10145508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// ObjCStringLiteral, used for Objective-C string literals 10155508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// i.e. @"foo". 10165508518a2702b00be3b15a26d772bde968972f54Anders Carlssonclass ObjCStringLiteral : public Expr { 10175508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral *String; 10185508518a2702b00be3b15a26d772bde968972f54Anders Carlssonpublic: 10195508518a2702b00be3b15a26d772bde968972f54Anders Carlsson ObjCStringLiteral(StringLiteral *SL, QualType T) 10205508518a2702b00be3b15a26d772bde968972f54Anders Carlsson : Expr(ObjCStringLiteralClass, T), String(SL) {} 10215508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10225508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral* getString() { return String; } 10235508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10245508518a2702b00be3b15a26d772bde968972f54Anders Carlsson const StringLiteral* getString() const { return String; } 10255508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10265508518a2702b00be3b15a26d772bde968972f54Anders Carlsson virtual SourceRange getSourceRange() const { 10275508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return String->getSourceRange(); 10285508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 10295508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10305508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const Stmt *T) { 10315508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return T->getStmtClass() == ObjCStringLiteralClass; 10325508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 10335508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const ObjCStringLiteral *) { return true; } 10341237c673c07f9d827129ba02720108816abde562Ted Kremenek 10351237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10361237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10371237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 10385508518a2702b00be3b15a26d772bde968972f54Anders Carlsson}; 10395508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 1040f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// ObjCEncodeExpr, used for @encode in Objective-C. 1041f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonclass ObjCEncodeExpr : public Expr { 1042f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType EncType; 1043f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc, RParenLoc; 1044f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonpublic: 1045f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson ObjCEncodeExpr(QualType T, QualType ET, 1046f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation enc, SourceLocation rp) 1047f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson : Expr(ObjCEncodeExprClass, T), EncType(ET), EncLoc(enc), RParenLoc(rp) {} 1048f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1049f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceRange getSourceRange() const { return SourceRange(EncLoc, RParenLoc); } 1050f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1051f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType getEncodedType() const { return EncType; } 1052f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1053f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const Stmt *T) { 1054f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson return T->getStmtClass() == ObjCEncodeExprClass; 1055f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson } 1056f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const ObjCEncodeExpr *) { return true; } 10571237c673c07f9d827129ba02720108816abde562Ted Kremenek 10581237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10591237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10601237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1061f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson}; 1062f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1063563477da25f824e37c535131695dc4dc9b68c465Steve Naroffclass ObjCMessageExpr : public Expr { 1064563477da25f824e37c535131695dc4dc9b68c465Steve Naroff enum { RECEIVER=0, ARGS_START=1 }; 1065563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1066563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // The following 3 slots are only used for keyword messages. 1067563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // Adding a subclass could save us some space. For now, we keep it simple. 1068563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr **SubExprs; 1069563477da25f824e37c535131695dc4dc9b68c465Steve Naroff unsigned NumArgs; 1070563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1071563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // A unigue name for this message. 107221d5a95b8f50be3e0fdd8c53f92fc201f665a4b4Steve Naroff IdentifierInfo &Selector; 1073563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1074563477da25f824e37c535131695dc4dc9b68c465Steve Naroff IdentifierInfo **KeyIdents; 1075563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1076563477da25f824e37c535131695dc4dc9b68c465Steve Naroff IdentifierInfo *ClassName; 1077563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1078563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceLocation LBracloc, RBracloc; 1079563477da25f824e37c535131695dc4dc9b68c465Steve Naroffpublic: 1080563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // constructor for unary messages. 1081563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // FIXME: clsName should be typed to ObjCInterfaceType 108221d5a95b8f50be3e0fdd8c53f92fc201f665a4b4Steve Naroff ObjCMessageExpr(IdentifierInfo *clsName, IdentifierInfo &selInfo, 1083563477da25f824e37c535131695dc4dc9b68c465Steve Naroff QualType retType, SourceLocation LBrac, SourceLocation RBrac); 108421d5a95b8f50be3e0fdd8c53f92fc201f665a4b4Steve Naroff ObjCMessageExpr(Expr *receiver, IdentifierInfo &selInfo, 1085563477da25f824e37c535131695dc4dc9b68c465Steve Naroff QualType retType, SourceLocation LBrac, SourceLocation RBrac); 1086563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1087563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // constructor for keyword messages. 1088563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // FIXME: clsName should be typed to ObjCInterfaceType 108921d5a95b8f50be3e0fdd8c53f92fc201f665a4b4Steve Naroff ObjCMessageExpr(IdentifierInfo *clsName, IdentifierInfo &selInfo, 1090563477da25f824e37c535131695dc4dc9b68c465Steve Naroff ObjcKeywordMessage *keys, unsigned numargs, QualType retType, 1091563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceLocation LBrac, SourceLocation RBrac); 109221d5a95b8f50be3e0fdd8c53f92fc201f665a4b4Steve Naroff ObjCMessageExpr(Expr *receiver, IdentifierInfo &selInfo, 1093563477da25f824e37c535131695dc4dc9b68c465Steve Naroff ObjcKeywordMessage *keys, unsigned numargs, QualType retType, 1094563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceLocation LBrac, SourceLocation RBrac); 1095563477da25f824e37c535131695dc4dc9b68c465Steve Naroff ~ObjCMessageExpr() { 1096563477da25f824e37c535131695dc4dc9b68c465Steve Naroff delete [] SubExprs; 1097563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1098563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1099563477da25f824e37c535131695dc4dc9b68c465Steve Naroff const Expr *getReceiver() const { return SubExprs[RECEIVER]; } 1100563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr *getReceiver() { return SubExprs[RECEIVER]; } 1101563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1102563477da25f824e37c535131695dc4dc9b68c465Steve Naroff /// getNumArgs - Return the number of actual arguments to this call. 1103563477da25f824e37c535131695dc4dc9b68c465Steve Naroff /// 1104563477da25f824e37c535131695dc4dc9b68c465Steve Naroff unsigned getNumArgs() const { return NumArgs; } 1105563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1106563477da25f824e37c535131695dc4dc9b68c465Steve Naroff /// getArg - Return the specified argument. 1107563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr *getArg(unsigned Arg) { 1108563477da25f824e37c535131695dc4dc9b68c465Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1109563477da25f824e37c535131695dc4dc9b68c465Steve Naroff return SubExprs[Arg+ARGS_START]; 1110563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1111563477da25f824e37c535131695dc4dc9b68c465Steve Naroff const Expr *getArg(unsigned Arg) const { 1112563477da25f824e37c535131695dc4dc9b68c465Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1113563477da25f824e37c535131695dc4dc9b68c465Steve Naroff return SubExprs[Arg+ARGS_START]; 1114563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1115563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceRange getSourceRange() const { return SourceRange(LBracloc, RBracloc); } 1116563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1117563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const Stmt *T) { 1118563477da25f824e37c535131695dc4dc9b68c465Steve Naroff return T->getStmtClass() == ObjCMessageExprClass; 1119563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1120563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const ObjCMessageExpr *) { return true; } 1121563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1122563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // Iterators 1123563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_begin(); 1124563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_end(); 1125563477da25f824e37c535131695dc4dc9b68c465Steve Naroff}; 1126563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 11275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 11285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1130