Expr.h revision ec0550fa3653d46560bf4484a2e988329c228e39
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" 20c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner#include "clang/Basic/IdentifierTable.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/APSInt.h" 22525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner#include "llvm/ADT/APFloat.h" 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 26bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff class Selector; 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 28590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(StmtClass SC, QualType T) : Stmt(SC), TR(T) {} 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getType() const { return TR; } 40fa2eaabd304172dd8afc561f6156a65f8d0e442bSteve Naroff void setType(QualType t) { TR = t; } 4177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 6408ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 70fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 73ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isLvalueResult isLvalue() const; 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 84fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ArrayType 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 90ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isModifiableLvalueResult isModifiableLvalue() const; 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 92590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 98590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 99590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 101590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APSInt X(32); 103590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10538374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff /// isConstantExpr - Return true if this expression is a valid constant expr. 10638374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff bool isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const; 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1228e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *D; 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1258e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1288e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *getDecl() { return D; } 1298e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff const ValueDecl *getDecl() const { return D; } 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 13777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 13877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 13977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 14077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 143ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// PreDefinedExpr - [C99 6.4.2.2] - A pre-defined identifier such as __func__. 144227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonclass PreDefinedExpr : public Expr { 145227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 146227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 147227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 148227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 149227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PrettyFunction 150227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 151227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 152227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 153227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 154227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 155227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 156227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PreDefinedExpr(SourceLocation l, QualType type, IdentType IT) 157227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson : Expr(PreDefinedExprClass, type), Loc(l), Type(IT) {} 158227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 159227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 160227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 161227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 162227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 163227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 164227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson return T->getStmtClass() == PreDefinedExprClass; 165227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 16677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek static bool classof(const PreDefinedExpr *) { return true; } 16777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 16877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 16977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 17077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 171227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 172227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 19077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 19177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 19277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 19377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2042eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 2052eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 21477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 21577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 21677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 21777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 221525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 224525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner FloatingLiteral(const llvm::APFloat &V, QualType Type, SourceLocation L) 225525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner : Expr(FloatingLiteralClass, Type), Value(V), Loc(L) {} 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 227c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 228c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 2293d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// getValueAsDouble - This returns the value as an inaccurate double. Note 2303d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// that this may cause loss of precision, but is useful for debugging dumps 2313d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// etc. 2323d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner double getValueAsDouble() const { 2333d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner // FIXME: We need something for long double here. 2341c9bdaef20398390818e9114269cd9925534b89cChris Lattner if (cast<BuiltinType>(getType())->getKind() == BuiltinType::Float) 2351c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToFloat(); 2361c9bdaef20398390818e9114269cd9925534b89cChris Lattner else 2371c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToDouble(); 2381c9bdaef20398390818e9114269cd9925534b89cChris Lattner } 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 24677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 24777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 24877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 24977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2525d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 2535d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 2545d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 2555d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 2565d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 2575d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 2585d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *Val; 2595d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 2605d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 2615d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 2625d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2635d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner const Expr *getSubExpr() const { return Val; } 2645d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *getSubExpr() { return Val; } 2655d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2665d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 2675d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 2685d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 2695d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 2705d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 2715d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2725d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 2735d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 2745d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 2755d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 2765d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 277e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 278e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 279e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 280e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// calling getByteLength(). 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 30577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 30677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 30777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 30877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(L, R); } 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 32877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 32977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 33077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 33177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 338dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 339dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 340dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 341dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 342dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 343dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 344dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 34573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 34673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 34773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 34873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 35113d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 36073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 36173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 40277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 40377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 40477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 40577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 42276e773a443be9f006610f46529e07d4c8d857680Chris Lattner 42376e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(OpLoc, RParenLoc); } 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 43077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 43177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 43277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 43377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 44277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 44377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr* SubExprs[END_EXPR]; 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4462324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 44773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 44873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 44973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 45073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 45173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4532324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 4542324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 4552324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 4562324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 4572324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 45877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 45977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getLHS() { return SubExprs[LHS]; } 46077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getLHS() const { return SubExprs[LHS]; } 46177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 46277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getRHS() { return SubExprs[RHS]; } 46377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getRHS() const { return SubExprs[RHS]; } 4642324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 46577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 46677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 46777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 46877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4692324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 47077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 4712324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 4722324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 47377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 47477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 4752324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 4762324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 47777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 47877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 47977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 48077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 48377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 49177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 49277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 49377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 49477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 50177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 50277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr **SubExprs; 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 50977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 51277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getCallee() const { return SubExprs[FN]; } 51377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getCallee() { return SubExprs[FN]; } 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 52277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 52677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 53313b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBuiltinClassifyType(llvm::APSInt &Result) const; 53413b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 53677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 54377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 54477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 54577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 54677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l) 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(MemberExprClass, memberdecl->getType()), 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 5741237c673c07f9d827129ba02720108816abde562Ted Kremenek 5751237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 5761237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 5771237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5806481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// OCUVectorElementExpr - This represents access to specific elements of a 581cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 582cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element ocu vector. 58331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 5846481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass OCUVectorElementExpr : public Expr { 585fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 586fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 587fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 58831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 5896481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner enum ElementType { 590cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Point, // xywz 591cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Color, // rgba 592dd652cdb7046155437eeb3dff512768f0a57369bChris Lattner Texture // stpq 59331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff }; 5946481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner OCUVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 5956481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner SourceLocation loc) 5966481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(OCUVectorElementExprClass, ty), 5976481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 59831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 599cb92a118145c2a425666068d37c4049c38e24914Chris Lattner const Expr *getBase() const { return Base; } 600cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Expr *getBase() { return Base; } 601cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 602cb92a118145c2a425666068d37c4049c38e24914Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 603cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 6046481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getNumElements - Get the number of components being selected. 6056481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner unsigned getNumElements() const; 6064d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 6076481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getElementType - Determine whether the components of this access are 608cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// "point" "color" or "texture" elements. 6096481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner ElementType getElementType() const; 61031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 6116481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// containsDuplicateElements - Return true if any element access is 612cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// repeated. 6136481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner bool containsDuplicateElements() const; 614fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 615b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into a bit vector. 616b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// The encoding currently uses 2-bit bitfields, but clients should use the 617b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// accessors below to access them. 618b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// 619b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner unsigned getEncodedElementAccess() const; 620b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 621b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getAccessedFieldNo - Given an encoded value and a result number, return 622b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// the input field number being accessed. 623b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static unsigned getAccessedFieldNo(unsigned Idx, unsigned EncodedVal) { 624b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner return (EncodedVal >> (Idx*2)) & 3; 625b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 626b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 62731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 62831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 62931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 63031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 6316481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == OCUVectorElementExprClass; 63231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 6336481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const OCUVectorElementExpr *) { return true; } 6341237c673c07f9d827129ba02720108816abde562Ted Kremenek 6351237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6361237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6371237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 63831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 63931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 640aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 641aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 642aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 643aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 644aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 645aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff CompoundLiteralExpr(QualType ty, Expr *init) : 646aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr(CompoundLiteralExprClass, ty), Init(init) {} 647aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 64806184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner const Expr *getInitializer() const { return Init; } 64906184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner Expr *getInitializer() { return Init; } 650aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 65173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 65273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner if (Init) 65373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 65473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return SourceRange(); 65573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 656aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 657aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 658aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 659aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 660aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 6611237c673c07f9d827129ba02720108816abde562Ted Kremenek 6621237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6631237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6641237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 665aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 666aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 66749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 66849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 66949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 67049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 67149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 67249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 67349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 67449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 675d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 67649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 677d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 678d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 67990045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 680aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 68190045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 68249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 68349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 68449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 68549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 6861237c673c07f9d827129ba02720108816abde562Ted Kremenek 6871237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6881237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6891237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 69049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 69149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 6935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 69926dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 70049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 7015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, getSubExpr()->getSourceRange().End()); 7075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 7121237c673c07f9d827129ba02720108816abde562Ted Kremenek 7131237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7141237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7151237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 72203d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 74117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 74217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 74317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Expr* SubExprs[END_EXPR]; 74417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 74517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 74617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 74817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 74917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 75017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 7511237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 7521237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 75717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 7591237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 7601237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 781eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 782eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 783eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 7861237c673c07f9d827129ba02720108816abde562Ted Kremenek 7871237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7881237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7891237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7901237c673c07f9d827129ba02720108816abde562Ted Kremenek 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 79217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 79317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 79417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 7951237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 7961237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 81017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 81117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 81217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 81317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 822eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 8301237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 8311237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 8341237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 8351237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 8361237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8371237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8381237c673c07f9d827129ba02720108816abde562Ted Kremenek } 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8401237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 8411237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8421237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 8511237c673c07f9d827129ba02720108816abde562Ted Kremenek 8521237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8531237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8541237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8576481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 8586481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8626481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 8636481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 8646481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8736481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8756481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 8761237c673c07f9d827129ba02720108816abde562Ted Kremenek 8771237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8781237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8791237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 881ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 882ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 883ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 884ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 885ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 886ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 887ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 888ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 889d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 890d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 891d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 892ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 893ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 894ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 895ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 896ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 897ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 898ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 900ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 901ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 902ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 903ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 9041237c673c07f9d827129ba02720108816abde562Ted Kremenek 9051237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9061237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9071237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 908ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 909ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 910d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 911d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 912d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 913d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 914d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 915d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 916d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 917363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 918d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 919363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 920d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 921d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 922363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 923d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 9247f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 9257f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 926ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 927d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 928363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 929d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 930d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 931d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 932d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 933d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 9341237c673c07f9d827129ba02720108816abde562Ted Kremenek 9351237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9361237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9371237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 938d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 939d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 940d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 941d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 942d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 943d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 944d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 945d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 946d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 9471237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 9481237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 949d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 950d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 951d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 952d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 953d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 9541237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 9551237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 9561237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9571237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9581237c673c07f9d827129ba02720108816abde562Ted Kremenek } 959c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 9601237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 9611237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 9621237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 9631237c673c07f9d827129ba02720108816abde562Ted Kremenek 964d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 965d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 966d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 967d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 968d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 969d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 970d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 9711237c673c07f9d827129ba02720108816abde562Ted Kremenek 9721237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9731237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9741237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 975d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 976d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 9777c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 9787c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 9797c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *Val; 9807c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 9817c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 9827c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 9837c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 9847c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 9857c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 9867c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 9877c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 9887c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson const Expr *getSubExpr() const { return Val; } 9897c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *getSubExpr() { return Val; } 9907c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 9917c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 9927c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 9937c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 9947c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 9957c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 9967c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 9977c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 9987c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 9997c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 10007c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 10017c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 10027c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 100366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson/// InitListExpr, used for struct and array initializers. 100466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 100566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr **InitExprs; 100666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned NumInits; 100766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 100866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 100966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 101066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 101166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson ~InitListExpr() { 101266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson delete [] InitExprs; 101366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 101466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 101566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned getNumInits() const { return NumInits; } 101666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 101766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 101866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 101966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 102066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 102166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 102266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 102366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 102466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 102566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 102666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 10279e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 10289e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff assert(Init < NumInits && "Initializer access out of range!"); 10299e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 10309e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 10319e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 103266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 103366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 103466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 103566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 103666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 103766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 103866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 103966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 104066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 104166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 104266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 104366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 104466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 10455508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// ObjCStringLiteral, used for Objective-C string literals 10465508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// i.e. @"foo". 10475508518a2702b00be3b15a26d772bde968972f54Anders Carlssonclass ObjCStringLiteral : public Expr { 10485508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral *String; 10495508518a2702b00be3b15a26d772bde968972f54Anders Carlssonpublic: 10505508518a2702b00be3b15a26d772bde968972f54Anders Carlsson ObjCStringLiteral(StringLiteral *SL, QualType T) 10515508518a2702b00be3b15a26d772bde968972f54Anders Carlsson : Expr(ObjCStringLiteralClass, T), String(SL) {} 10525508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10535508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral* getString() { return String; } 10545508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10555508518a2702b00be3b15a26d772bde968972f54Anders Carlsson const StringLiteral* getString() const { return String; } 10565508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10575508518a2702b00be3b15a26d772bde968972f54Anders Carlsson virtual SourceRange getSourceRange() const { 10585508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return String->getSourceRange(); 10595508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 10605508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 10615508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const Stmt *T) { 10625508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return T->getStmtClass() == ObjCStringLiteralClass; 10635508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 10645508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const ObjCStringLiteral *) { return true; } 10651237c673c07f9d827129ba02720108816abde562Ted Kremenek 10661237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10671237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10681237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 10695508518a2702b00be3b15a26d772bde968972f54Anders Carlsson}; 10705508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 1071f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// ObjCEncodeExpr, used for @encode in Objective-C. 1072f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonclass ObjCEncodeExpr : public Expr { 1073f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType EncType; 1074f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation EncLoc, RParenLoc; 1075f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonpublic: 1076f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson ObjCEncodeExpr(QualType T, QualType ET, 1077f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceLocation enc, SourceLocation rp) 1078f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson : Expr(ObjCEncodeExprClass, T), EncType(ET), EncLoc(enc), RParenLoc(rp) {} 1079f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1080f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson SourceRange getSourceRange() const { return SourceRange(EncLoc, RParenLoc); } 1081f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1082f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType getEncodedType() const { return EncType; } 1083f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1084f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const Stmt *T) { 1085f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson return T->getStmtClass() == ObjCEncodeExprClass; 1086f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson } 1087f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const ObjCEncodeExpr *) { return true; } 10881237c673c07f9d827129ba02720108816abde562Ted Kremenek 10891237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10901237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10911237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1092f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson}; 1093f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1094563477da25f824e37c535131695dc4dc9b68c465Steve Naroffclass ObjCMessageExpr : public Expr { 1095563477da25f824e37c535131695dc4dc9b68c465Steve Naroff enum { RECEIVER=0, ARGS_START=1 }; 109668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1097563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr **SubExprs; 1098563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1099563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // A unigue name for this message. 1100bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Selector SelName; 1101563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 110268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff IdentifierInfo *ClassName; // optional - 0 for instance messages. 1103563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1104563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceLocation LBracloc, RBracloc; 1105563477da25f824e37c535131695dc4dc9b68c465Steve Naroffpublic: 110668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for class messages. 1107563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // FIXME: clsName should be typed to ObjCInterfaceType 1108bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo, 110968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff QualType retType, SourceLocation LBrac, SourceLocation RBrac, 111068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff Expr **ArgExprs); 111168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for instance messages. 1112bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(Expr *receiver, Selector selInfo, 111368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff QualType retType, SourceLocation LBrac, SourceLocation RBrac, 111468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff Expr **ArgExprs); 1115563477da25f824e37c535131695dc4dc9b68c465Steve Naroff ~ObjCMessageExpr() { 1116563477da25f824e37c535131695dc4dc9b68c465Steve Naroff delete [] SubExprs; 1117563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1118563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1119563477da25f824e37c535131695dc4dc9b68c465Steve Naroff const Expr *getReceiver() const { return SubExprs[RECEIVER]; } 1120563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr *getReceiver() { return SubExprs[RECEIVER]; } 1121563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 11226a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const Selector &getSelector() const { return SelName; } 11236a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff Selector &getSelector() { return SelName; } 11246a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 11256a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const IdentifierInfo *getClassName() const { return ClassName; } 11266a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff IdentifierInfo *getClassName() { return ClassName; } 11276a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 1128563477da25f824e37c535131695dc4dc9b68c465Steve Naroff /// getNumArgs - Return the number of actual arguments to this call. 1129bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff unsigned getNumArgs() const { return SelName.getNumArgs(); } 1130bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff 1131bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff/// getArg - Return the specified argument. 1132bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Expr *getArg(unsigned Arg) { 1133bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff assert(Arg < SelName.getNumArgs() && "Arg access out of range!"); 1134bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1135bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1136bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff const Expr *getArg(unsigned Arg) const { 1137bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff assert(Arg < SelName.getNumArgs() && "Arg access out of range!"); 1138bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1139bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 114068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1141563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceRange getSourceRange() const { return SourceRange(LBracloc, RBracloc); } 1142563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1143563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const Stmt *T) { 1144563477da25f824e37c535131695dc4dc9b68c465Steve Naroff return T->getStmtClass() == ObjCMessageExprClass; 1145563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1146563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const ObjCMessageExpr *) { return true; } 1147563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1148563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // Iterators 1149563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_begin(); 1150563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_end(); 1151563477da25f824e37c535131695dc4dc9b68c465Steve Naroff}; 1152563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1156