Expr.h revision 96fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0
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; } 1132e7d352dbec06755105237afba183492d31d03cbTed Kremenek 1142e7d352dbec06755105237afba183492d31d03cbTed Kremenek static inline Expr* Materialize(llvm::Deserializer& D) { 1152dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek return cast<Expr>(Stmt::Materialize(D)); 1162e7d352dbec06755105237afba183492d31d03cbTed Kremenek } 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1268e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *D; 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1298e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1328e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *getDecl() { return D; } 1338e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff const ValueDecl *getDecl() const { return D; } 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 14177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 14277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 14377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 14477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1452dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 1462dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 1472dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek static DeclRefExpr* directMaterialize(llvm::Deserializer& D); 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 150ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// PreDefinedExpr - [C99 6.4.2.2] - A pre-defined identifier such as __func__. 151227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonclass PreDefinedExpr : public Expr { 152227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 153227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 154227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 155227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 156227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PrettyFunction 157227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 158227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 159227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 160227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 161227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 162227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 163227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PreDefinedExpr(SourceLocation l, QualType type, IdentType IT) 164227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson : Expr(PreDefinedExprClass, type), Loc(l), Type(IT) {} 165227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 166227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 167227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 168227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 169227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 170227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 171227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson return T->getStmtClass() == PreDefinedExprClass; 172227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 17377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek static bool classof(const PreDefinedExpr *) { return true; } 17477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 17577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 17677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 17777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1781ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek 1791ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 1801ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek static PreDefinedExpr* directMaterialize(llvm::Deserializer& D); 181227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 182227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 20077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 20177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 20277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 20377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2042dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 2052dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 2062dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek static IntegerLiteral* directMaterialize(llvm::Deserializer& D); 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2172eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 2182eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 22777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 22877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 22977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 23077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2317338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek 2327338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 2337338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek static CharacterLiteral* directMaterialize(llvm::Deserializer& D); 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 237525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 240525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner FloatingLiteral(const llvm::APFloat &V, QualType Type, SourceLocation L) 241525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner : Expr(FloatingLiteralClass, Type), Value(V), Loc(L) {} 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 243c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 244c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 2453d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// getValueAsDouble - This returns the value as an inaccurate double. Note 2463d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// that this may cause loss of precision, but is useful for debugging dumps 2473d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// etc. 2483d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner double getValueAsDouble() const { 2493d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner // FIXME: We need something for long double here. 2501c9bdaef20398390818e9114269cd9925534b89cChris Lattner if (cast<BuiltinType>(getType())->getKind() == BuiltinType::Float) 2511c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToFloat(); 2521c9bdaef20398390818e9114269cd9925534b89cChris Lattner else 2531c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToDouble(); 2541c9bdaef20398390818e9114269cd9925534b89cChris Lattner } 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 26277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 26377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 26477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 26577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 266612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek 267612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 268612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek static FloatingLiteral* directMaterialize(llvm::Deserializer& D); 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2715d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 2725d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 2735d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 2745d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 2755d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 2765d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 2775d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *Val; 2785d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 2795d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 2805d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 2815d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2825d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner const Expr *getSubExpr() const { return Val; } 2835d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *getSubExpr() { return Val; } 2845d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2855d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 2865d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 2875d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 2885d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 2895d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 2905d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2915d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 2925d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 2935d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 2941c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek 2951c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 2961c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek static ImaginaryLiteral* directMaterialize(llvm::Deserializer& D); 2975d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 2985d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 299e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 300e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 301e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 302e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// calling getByteLength(). 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 32777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 32877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 32977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 33077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3317febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek 3327febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 3337febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek static StringLiteral* directMaterialize(llvm::Deserializer& D); 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(L, R); } 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 35377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 35477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 35577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 35677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3579eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 3584210f3dfd73ad3482f9cfa0a382e1fd78f22976dTed Kremenek virtual void directEmit(llvm::Serializer& S) const; 3599eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek static ParenExpr* directMaterialize(llvm::Deserializer& D); 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 366dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 367dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 368dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 369dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 370dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 371dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 372dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 37373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 37473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 37573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 37673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 37913d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 38873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 38973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { 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/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 45076e773a443be9f006610f46529e07d4c8d857680Chris Lattner 45176e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(OpLoc, RParenLoc); } 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 45877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 45977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 46077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 46177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 47077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 47177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr* SubExprs[END_EXPR]; 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4742324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 47573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 47673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 47773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 47873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 47973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4812324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 4822324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 4832324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 4842324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 4852324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 48677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 48777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getLHS() { return SubExprs[LHS]; } 48877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getLHS() const { return SubExprs[LHS]; } 48977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 49077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getRHS() { return SubExprs[RHS]; } 49177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getRHS() const { return SubExprs[RHS]; } 4922324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 49377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 49477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 49577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 49677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4972324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 49877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 4992324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5002324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 50177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 50277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 5032324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5042324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 50577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 50677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 50777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 50877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 51177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 51977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 52077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 52177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 52277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 52396fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek 52496fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 52596fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek static ArraySubscriptExpr* directMaterialize(llvm::Deserializer& D); 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 53277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 53377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr **SubExprs; 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 5395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 54077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 5415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 54377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getCallee() const { return SubExprs[FN]; } 54477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getCallee() { return SubExprs[FN]; } 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 55377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 55777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 559934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 560934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 561934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 562934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 563934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 56813b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBuiltinClassifyType(llvm::APSInt &Result) const; 56913b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 57177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 57877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 57977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 58077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 58177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l) 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(MemberExprClass, memberdecl->getType()), 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 6091237c673c07f9d827129ba02720108816abde562Ted Kremenek 6101237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6111237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6121237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6156481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// OCUVectorElementExpr - This represents access to specific elements of a 616cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 617cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element ocu vector. 61831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 6196481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass OCUVectorElementExpr : public Expr { 620fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 621fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 622fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 62331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 6246481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner enum ElementType { 625cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Point, // xywz 626cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Color, // rgba 627dd652cdb7046155437eeb3dff512768f0a57369bChris Lattner Texture // stpq 62831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff }; 6296481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner OCUVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 6306481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner SourceLocation loc) 6316481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(OCUVectorElementExprClass, ty), 6326481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 63331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 634cb92a118145c2a425666068d37c4049c38e24914Chris Lattner const Expr *getBase() const { return Base; } 635cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Expr *getBase() { return Base; } 636cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 637cb92a118145c2a425666068d37c4049c38e24914Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 638cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 6396481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getNumElements - Get the number of components being selected. 6406481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner unsigned getNumElements() const; 6414d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 6426481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getElementType - Determine whether the components of this access are 643cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// "point" "color" or "texture" elements. 6446481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner ElementType getElementType() const; 64531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 6466481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// containsDuplicateElements - Return true if any element access is 647cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// repeated. 6486481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner bool containsDuplicateElements() const; 649fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 650b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into a bit vector. 651b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// The encoding currently uses 2-bit bitfields, but clients should use the 652b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// accessors below to access them. 653b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// 654b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner unsigned getEncodedElementAccess() const; 655b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 656b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getAccessedFieldNo - Given an encoded value and a result number, return 657b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// the input field number being accessed. 658b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static unsigned getAccessedFieldNo(unsigned Idx, unsigned EncodedVal) { 659b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner return (EncodedVal >> (Idx*2)) & 3; 660b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 661b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 66231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 66331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 66431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 66531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 6666481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == OCUVectorElementExprClass; 66731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 6686481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const OCUVectorElementExpr *) { return true; } 6691237c673c07f9d827129ba02720108816abde562Ted Kremenek 6701237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6711237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6721237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 67331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 67431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 675aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 676aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 677aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 678aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 679aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 680aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff CompoundLiteralExpr(QualType ty, Expr *init) : 681aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr(CompoundLiteralExprClass, ty), Init(init) {} 682aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 68306184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner const Expr *getInitializer() const { return Init; } 68406184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner Expr *getInitializer() { return Init; } 685aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 68673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 68773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner if (Init) 68873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 68973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return SourceRange(); 69073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 691aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 692aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 693aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 694aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 695aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 6961237c673c07f9d827129ba02720108816abde562Ted Kremenek 6971237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6981237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6991237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 700aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 701aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 70249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 70349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 70449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 70549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 70649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 70749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 70849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 70949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 710d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 71149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 712d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 713d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 71490045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 715aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 71690045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 71749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 71849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 71949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 72049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 7211237c673c07f9d827129ba02720108816abde562Ted Kremenek 7221237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7231237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7241237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 725a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek 726a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek virtual void directEmit(llvm::Serializer& S) const; 727a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek static ImplicitCastExpr* directMaterialize(llvm::Deserializer& D); 72849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 72949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 73726dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 73849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 744311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner return SourceRange(Loc, getSubExpr()->getSourceRange().getEnd()); 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 7501237c673c07f9d827129ba02720108816abde562Ted Kremenek 7511237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7521237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7531237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7549971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek 7559971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 7569971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek static CastExpr* directMaterialize(llvm::Deserializer& D); 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 76303d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 78217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 78317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 78417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Expr* SubExprs[END_EXPR]; 78517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 78617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 78717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 78917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 79017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 79117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 7921237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 7931237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 79817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 8001237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8011237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 822eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 823eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 824eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 8271237c673c07f9d827129ba02720108816abde562Ted Kremenek 8281237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8291237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8301237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8312dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 8322dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 8332dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek static BinaryOperator* directMaterialize(llvm::Deserializer& D); 8341237c673c07f9d827129ba02720108816abde562Ted Kremenek 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 83617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 83717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 83817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 8391237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8401237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 85417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 85517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 85617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 85717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 866eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 8741237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 8751237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 8781237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 8791237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 8801237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8811237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8821237c673c07f9d827129ba02720108816abde562Ted Kremenek } 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8841237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 8851237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8861237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 8951237c673c07f9d827129ba02720108816abde562Ted Kremenek 8961237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8971237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8981237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9016481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 9026481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9066481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 9076481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 9086481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9176481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9196481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 9201237c673c07f9d827129ba02720108816abde562Ted Kremenek 9211237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9221237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9231237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 9245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 925ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 926ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 927ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 928ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 929ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 930ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 931ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 932ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 933d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 934d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 935d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 936ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 937ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 938ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 939ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 940ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 941ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 942ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 9435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 944ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 945ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 946ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 947ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 9481237c673c07f9d827129ba02720108816abde562Ted Kremenek 9491237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9501237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9511237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 952ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 953ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 954d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 955d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 956d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 957d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 958d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 959d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 960d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 961363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 962d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 963363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 964d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 965d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 966363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 967d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 9687f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 9697f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 970ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 971d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 972363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 973d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 974d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 975d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 976d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 977d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 9781237c673c07f9d827129ba02720108816abde562Ted Kremenek 9791237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9801237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9811237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 982d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 983d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 984d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 985d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 986d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 987d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 988d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 989d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 990d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 9911237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 9921237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 993d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 994d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 995d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 996d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 997d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 9981237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 9991237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 10001237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 10011237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 10021237c673c07f9d827129ba02720108816abde562Ted Kremenek } 1003c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 100427437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// isConditionTrue - Return true if the condition is true. This is always 100527437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// statically knowable for a well-formed choosexpr. 100627437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 100727437caadea35f84d550cd29f024fcf3ea240eecChris Lattner 10081237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 10091237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 10101237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 10111237c673c07f9d827129ba02720108816abde562Ted Kremenek 1012d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 1013d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1014d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1015d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 1016d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 1017d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1018d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 10191237c673c07f9d827129ba02720108816abde562Ted Kremenek 10201237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10211237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10221237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1023d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 1024d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 10257c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 10267c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 10277c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *Val; 10287c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 10297c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 10307c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 10317c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 10327c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 10337c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 10347c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 10357c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 10367c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson const Expr *getSubExpr() const { return Val; } 10377c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *getSubExpr() { return Val; } 10387c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 10397c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 10407c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 10417c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 10427c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 10437c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 10447c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 10457c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 10467c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 10477c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 10487c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 10497c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 10507c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 105166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson/// InitListExpr, used for struct and array initializers. 105266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 105366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr **InitExprs; 105466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned NumInits; 105566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 105666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 105766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 105866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 105966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson ~InitListExpr() { 106066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson delete [] InitExprs; 106166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 106266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 106366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned getNumInits() const { return NumInits; } 106466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 106566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 106666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 106766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 106866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 106966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 107066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 107166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 107266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 107366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 107466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 10759e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 10769e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff assert(Init < NumInits && "Initializer access out of range!"); 10779e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 10789e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 10799e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 108066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 108166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 108266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 108366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 108466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 108566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 108666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 108766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 108866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 108966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 109066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 109166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 109266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 10935508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// ObjCStringLiteral, used for Objective-C string literals 10945508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// i.e. @"foo". 10955508518a2702b00be3b15a26d772bde968972f54Anders Carlssonclass ObjCStringLiteral : public Expr { 10965508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral *String; 1097beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff SourceLocation AtLoc; 10985508518a2702b00be3b15a26d772bde968972f54Anders Carlssonpublic: 1099beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff ObjCStringLiteral(StringLiteral *SL, QualType T, SourceLocation L) 1100beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff : Expr(ObjCStringLiteralClass, T), String(SL), AtLoc(L) {} 11015508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11025508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral* getString() { return String; } 11035508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11045508518a2702b00be3b15a26d772bde968972f54Anders Carlsson const StringLiteral* getString() const { return String; } 11055508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11065508518a2702b00be3b15a26d772bde968972f54Anders Carlsson virtual SourceRange getSourceRange() const { 1107beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff return SourceRange(AtLoc, String->getLocEnd()); 11085508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 11095508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11105508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const Stmt *T) { 11115508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return T->getStmtClass() == ObjCStringLiteralClass; 11125508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 11135508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const ObjCStringLiteral *) { return true; } 11141237c673c07f9d827129ba02720108816abde562Ted Kremenek 11151237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11161237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11171237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 11185508518a2702b00be3b15a26d772bde968972f54Anders Carlsson}; 11195508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 1120f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// ObjCEncodeExpr, used for @encode in Objective-C. 1121f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonclass ObjCEncodeExpr : public Expr { 1122f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType EncType; 1123674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation AtLoc, RParenLoc; 1124f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonpublic: 1125f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson ObjCEncodeExpr(QualType T, QualType ET, 1126674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation at, SourceLocation rp) 1127674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner : Expr(ObjCEncodeExprClass, T), EncType(ET), AtLoc(at), RParenLoc(rp) {} 1128f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1129674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation getAtLoc() const { return AtLoc; } 113005de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 113105de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner 1132674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 1133f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1134f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType getEncodedType() const { return EncType; } 1135f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1136f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const Stmt *T) { 1137f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson return T->getStmtClass() == ObjCEncodeExprClass; 1138f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson } 1139f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const ObjCEncodeExpr *) { return true; } 11401237c673c07f9d827129ba02720108816abde562Ted Kremenek 11411237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11421237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11431237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1144f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson}; 1145f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1146b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian/// ObjCSelectorExpr used for @selector in Objective-C. 1147b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianclass ObjCSelectorExpr : public Expr { 1148b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1149b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian Selector SelName; 1150b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 11512a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation AtLoc, RParenLoc; 1152b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianpublic: 1153b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian ObjCSelectorExpr(QualType T, Selector selInfo, 11542a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation at, SourceLocation rp) 1155b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian : Expr(ObjCSelectorExprClass, T), SelName(selInfo), 11562a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1157b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1158b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const Selector &getSelector() const { return SelName; } 1159b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian Selector &getSelector() { return SelName; } 1160b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 11612a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 11622a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 11632a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 11642a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian 1165b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian /// getNumArgs - Return the number of actual arguments to this call. 1166b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian unsigned getNumArgs() const { return SelName.getNumArgs(); } 1167b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1168b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian static bool classof(const Stmt *T) { 1169b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian return T->getStmtClass() == ObjCSelectorExprClass; 1170b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian } 1171390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCSelectorExpr *) { return true; } 1172b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1173b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian // Iterators 1174b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_begin(); 1175b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_end(); 1176b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1177b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian}; 1178b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1179390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian/// ObjCProtocolExpr used for protocol in Objective-C. 1180390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanianclass ObjCProtocolExpr : public Expr { 1181390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1182390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian ObjcProtocolDecl *Protocol; 1183390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1184390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation AtLoc, RParenLoc; 1185390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian public: 1186390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian ObjCProtocolExpr(QualType T, ObjcProtocolDecl *protocol, 1187390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation at, SourceLocation rp) 1188390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian : Expr(ObjCProtocolExprClass, T), Protocol(protocol), 1189390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1190390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1191390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian ObjcProtocolDecl *getProtocol() const { return Protocol; } 1192390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1193390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 1194390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 1195390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 1196390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1197390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const Stmt *T) { 1198390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return T->getStmtClass() == ObjCProtocolExprClass; 1199390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian } 1200390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCProtocolExpr *) { return true; } 1201390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1202390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian // Iterators 1203390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_begin(); 1204390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_end(); 1205390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1206390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian}; 1207390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1208563477da25f824e37c535131695dc4dc9b68c465Steve Naroffclass ObjCMessageExpr : public Expr { 1209563477da25f824e37c535131695dc4dc9b68c465Steve Naroff enum { RECEIVER=0, ARGS_START=1 }; 121068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1211563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr **SubExprs; 1212563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1213563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // A unigue name for this message. 1214bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Selector SelName; 1215563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1216db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // A method prototype for this message (optional). 1217db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // FIXME: Since method decls contain the selector, and most messages have a 1218db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // prototype, consider devising a scheme for unifying SelName/MethodProto. 1219db611d556f71f98b66b69514d45958d76e5727abSteve Naroff ObjcMethodDecl *MethodProto; 1220db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 122168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff IdentifierInfo *ClassName; // optional - 0 for instance messages. 1222563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1223563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceLocation LBracloc, RBracloc; 1224563477da25f824e37c535131695dc4dc9b68c465Steve Naroffpublic: 122568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for class messages. 1226563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // FIXME: clsName should be typed to ObjCInterfaceType 1227bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo, 1228db611d556f71f98b66b69514d45958d76e5727abSteve Naroff QualType retType, ObjcMethodDecl *methDecl, 1229db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 123068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff Expr **ArgExprs); 123168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for instance messages. 1232bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(Expr *receiver, Selector selInfo, 1233db611d556f71f98b66b69514d45958d76e5727abSteve Naroff QualType retType, ObjcMethodDecl *methDecl, 1234db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 123568d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff Expr **ArgExprs); 1236563477da25f824e37c535131695dc4dc9b68c465Steve Naroff ~ObjCMessageExpr() { 1237563477da25f824e37c535131695dc4dc9b68c465Steve Naroff delete [] SubExprs; 1238563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1239563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1240563477da25f824e37c535131695dc4dc9b68c465Steve Naroff const Expr *getReceiver() const { return SubExprs[RECEIVER]; } 1241563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr *getReceiver() { return SubExprs[RECEIVER]; } 1242563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 12436a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const Selector &getSelector() const { return SelName; } 12446a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff Selector &getSelector() { return SelName; } 1245db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 1246db611d556f71f98b66b69514d45958d76e5727abSteve Naroff const ObjcMethodDecl *getMethodDecl() const { return MethodProto; } 1247db611d556f71f98b66b69514d45958d76e5727abSteve Naroff ObjcMethodDecl *getMethodDecl() { return MethodProto; } 12486a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 12496a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const IdentifierInfo *getClassName() const { return ClassName; } 12506a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff IdentifierInfo *getClassName() { return ClassName; } 12516a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 1252563477da25f824e37c535131695dc4dc9b68c465Steve Naroff /// getNumArgs - Return the number of actual arguments to this call. 1253bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff unsigned getNumArgs() const { return SelName.getNumArgs(); } 1254bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff 1255bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff/// getArg - Return the specified argument. 1256bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Expr *getArg(unsigned Arg) { 1257bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff assert(Arg < SelName.getNumArgs() && "Arg access out of range!"); 1258bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1259bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1260bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff const Expr *getArg(unsigned Arg) const { 1261bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff assert(Arg < SelName.getNumArgs() && "Arg access out of range!"); 1262bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1263bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1264934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1265934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 1266934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < SelName.getNumArgs() && "Arg access out of range!"); 1267934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 1268934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 1269563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceRange getSourceRange() const { return SourceRange(LBracloc, RBracloc); } 1270563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1271563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const Stmt *T) { 1272563477da25f824e37c535131695dc4dc9b68c465Steve Naroff return T->getStmtClass() == ObjCMessageExprClass; 1273563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1274563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const ObjCMessageExpr *) { return true; } 1275563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1276563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // Iterators 1277563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_begin(); 1278563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_end(); 1279563477da25f824e37c535131695dc4dc9b68c465Steve Naroff}; 1280563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1284