Expr.h revision 1049436d4b53d928b555f7381bc1639dd302bbc7
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(); 4341049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek 4351049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 4361049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek static UnaryOperator* directMaterialize(llvm::Deserializer& D); 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 45376e773a443be9f006610f46529e07d4c8d857680Chris Lattner 45476e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(OpLoc, RParenLoc); } 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 46177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 46277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 46377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 46477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 47377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 47477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr* SubExprs[END_EXPR]; 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4772324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 47873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 47973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 48073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 48173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 48273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4842324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 4852324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 4862324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 4872324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 4882324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 48977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 49077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getLHS() { return SubExprs[LHS]; } 49177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getLHS() const { return SubExprs[LHS]; } 49277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 49377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getRHS() { return SubExprs[RHS]; } 49477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getRHS() const { return SubExprs[RHS]; } 4952324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 49677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 49777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 49877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 49977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5002324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 50177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 5022324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5032324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 50477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 50577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 5062324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5072324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 50877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 50977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return (getLHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 51077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 51177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 51477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 52277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 52377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 52477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 52577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 52696fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek 52796fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 52896fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek static ArraySubscriptExpr* directMaterialize(llvm::Deserializer& D); 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 53577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 53677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr **SubExprs; 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 5385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 539d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 540d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek // This version of the ctor is for deserialization. 541d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek CallExpr(Expr** subexprs, unsigned numargs, QualType t, 542d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek SourceLocation rparenloc) 543d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek : Expr(CallExprClass,t), SubExprs(subexprs), 544d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek NumArgs(numargs), RParenLoc(rparenloc) {} 545d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 55077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 55377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getCallee() const { return SubExprs[FN]; } 55477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getCallee() { return SubExprs[FN]; } 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 56377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 56777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 569934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 570934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 571934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 572934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 573934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 57813b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBuiltinClassifyType(llvm::APSInt &Result) const; 57913b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 58177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 58877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 58977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 59077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 59177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 592d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 593d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 594d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek static CallExpr* directMaterialize(llvm::Deserializer& D); 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l) 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(MemberExprClass, memberdecl->getType()), 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 6221237c673c07f9d827129ba02720108816abde562Ted Kremenek 6231237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6241237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6251237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6286481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// OCUVectorElementExpr - This represents access to specific elements of a 629cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 630cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element ocu vector. 63131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 6326481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass OCUVectorElementExpr : public Expr { 633fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 634fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 635fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 63631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 6376481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner enum ElementType { 638cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Point, // xywz 639cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Color, // rgba 640dd652cdb7046155437eeb3dff512768f0a57369bChris Lattner Texture // stpq 64131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff }; 6426481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner OCUVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 6436481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner SourceLocation loc) 6446481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(OCUVectorElementExprClass, ty), 6456481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 64631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 647cb92a118145c2a425666068d37c4049c38e24914Chris Lattner const Expr *getBase() const { return Base; } 648cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Expr *getBase() { return Base; } 649cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 650cb92a118145c2a425666068d37c4049c38e24914Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 651cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 6526481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getNumElements - Get the number of components being selected. 6536481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner unsigned getNumElements() const; 6544d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 6556481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getElementType - Determine whether the components of this access are 656cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// "point" "color" or "texture" elements. 6576481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner ElementType getElementType() const; 65831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 6596481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// containsDuplicateElements - Return true if any element access is 660cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// repeated. 6616481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner bool containsDuplicateElements() const; 662fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 663b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into a bit vector. 664b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// The encoding currently uses 2-bit bitfields, but clients should use the 665b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// accessors below to access them. 666b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// 667b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner unsigned getEncodedElementAccess() const; 668b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 669b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getAccessedFieldNo - Given an encoded value and a result number, return 670b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// the input field number being accessed. 671b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static unsigned getAccessedFieldNo(unsigned Idx, unsigned EncodedVal) { 672b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner return (EncodedVal >> (Idx*2)) & 3; 673b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 674b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 67531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 67631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 67731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 67831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 6796481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == OCUVectorElementExprClass; 68031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 6816481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const OCUVectorElementExpr *) { return true; } 6821237c673c07f9d827129ba02720108816abde562Ted Kremenek 6831237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6841237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6851237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 68631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 68731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 688aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 689aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 690aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 691aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 692aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 693aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff CompoundLiteralExpr(QualType ty, Expr *init) : 694aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr(CompoundLiteralExprClass, ty), Init(init) {} 695aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 69606184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner const Expr *getInitializer() const { return Init; } 69706184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner Expr *getInitializer() { return Init; } 698aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 69973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 70073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner if (Init) 70173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 70273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return SourceRange(); 70373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 704aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 705aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 706aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 707aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 708aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 7091237c673c07f9d827129ba02720108816abde562Ted Kremenek 7101237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7111237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7121237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 713aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 714aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 71549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 71649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 71749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 71849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 71949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 72049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 72149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 72249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 723d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 72449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 725d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 726d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 72790045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 728aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 72990045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 73049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 73149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 73249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 73349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 7341237c673c07f9d827129ba02720108816abde562Ted Kremenek 7351237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7361237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7371237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 738a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek 739a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek virtual void directEmit(llvm::Serializer& S) const; 740a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek static ImplicitCastExpr* directMaterialize(llvm::Deserializer& D); 74149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 74249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 75026dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 75149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 757311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner return SourceRange(Loc, getSubExpr()->getSourceRange().getEnd()); 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 7631237c673c07f9d827129ba02720108816abde562Ted Kremenek 7641237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7651237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7661237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7679971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek 7689971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 7699971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek static CastExpr* directMaterialize(llvm::Deserializer& D); 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 77603d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 7795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 79517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 79617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 79717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Expr* SubExprs[END_EXPR]; 79817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 79917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 80017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 80217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 80317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 80417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 8051237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8061237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 81117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 8131237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8141237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 835eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 836eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 837eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 8401237c673c07f9d827129ba02720108816abde562Ted Kremenek 8411237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8421237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8431237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8442dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 8452dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek virtual void directEmit(llvm::Serializer& S) const; 8462dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek static BinaryOperator* directMaterialize(llvm::Deserializer& D); 8471237c673c07f9d827129ba02720108816abde562Ted Kremenek 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 84917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 85017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 85117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 8521237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8531237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 86717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 86817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 86917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 87017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 879eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 8871237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 8881237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 8911237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 8921237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 8931237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8941237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8951237c673c07f9d827129ba02720108816abde562Ted Kremenek } 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8971237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 8981237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8991237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 9081237c673c07f9d827129ba02720108816abde562Ted Kremenek 9091237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9101237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9111237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9146481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 9156481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9196481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 9206481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 9216481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 9225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 9255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9306481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 9315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9326481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 9331237c673c07f9d827129ba02720108816abde562Ted Kremenek 9341237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9351237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9361237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 938ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 939ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 940ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 941ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 942ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 943ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 944ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 945ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 946d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 947d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 948d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 949ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 950ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 951ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 952ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 953ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 954ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 955ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 957ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 958ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 959ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 960ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 9611237c673c07f9d827129ba02720108816abde562Ted Kremenek 9621237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9631237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9641237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 965ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 966ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 967d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 968d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 969d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 970d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 971d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 972d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 973d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 974363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 975d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 976363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 977d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 978d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 979363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 980d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 9817f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 9827f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 983ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 984d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 985363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 986d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 987d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 988d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 989d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 990d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 9911237c673c07f9d827129ba02720108816abde562Ted Kremenek 9921237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9931237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9941237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 995d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 996d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 997d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 998d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 999d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 1000d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 1001d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 1002d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 1003d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 10041237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 10051237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 1006d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1007d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 1008d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 1009d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 1010d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 10111237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 10121237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 10131237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 10141237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 10151237c673c07f9d827129ba02720108816abde562Ted Kremenek } 1016c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 101727437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// isConditionTrue - Return true if the condition is true. This is always 101827437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// statically knowable for a well-formed choosexpr. 101927437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 102027437caadea35f84d550cd29f024fcf3ea240eecChris Lattner 10211237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 10221237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 10231237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 10241237c673c07f9d827129ba02720108816abde562Ted Kremenek 1025d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 1026d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1027d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1028d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 1029d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 1030d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1031d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 10321237c673c07f9d827129ba02720108816abde562Ted Kremenek 10331237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10341237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10351237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1036d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 1037d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 10387c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 10397c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 10407c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *Val; 10417c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 10427c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 10437c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 10447c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 10457c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 10467c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 10477c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 10487c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 10497c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson const Expr *getSubExpr() const { return Val; } 10507c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *getSubExpr() { return Val; } 10517c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 10527c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 10537c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 10547c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 10557c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 10567c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 10577c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 10587c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 10597c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 10607c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 10617c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 10627c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 10637c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 106466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson/// InitListExpr, used for struct and array initializers. 106566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 106666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr **InitExprs; 106766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned NumInits; 106866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 106966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 107066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 107166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 107266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson ~InitListExpr() { 107366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson delete [] InitExprs; 107466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 107566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 107666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned getNumInits() const { return NumInits; } 107766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 107866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 107966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 108066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 108166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 108266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 108366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 108466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 108566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 108666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 108766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 10889e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 10899e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff assert(Init < NumInits && "Initializer access out of range!"); 10909e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 10919e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 10929e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 109366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 109466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 109566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 109666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 109766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 109866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 109966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 110066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 110166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 110266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 110366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 110466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 110566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 11065508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// ObjCStringLiteral, used for Objective-C string literals 11075508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// i.e. @"foo". 11085508518a2702b00be3b15a26d772bde968972f54Anders Carlssonclass ObjCStringLiteral : public Expr { 11095508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral *String; 1110beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff SourceLocation AtLoc; 11115508518a2702b00be3b15a26d772bde968972f54Anders Carlssonpublic: 1112beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff ObjCStringLiteral(StringLiteral *SL, QualType T, SourceLocation L) 1113beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff : Expr(ObjCStringLiteralClass, T), String(SL), AtLoc(L) {} 11145508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11155508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral* getString() { return String; } 11165508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11175508518a2702b00be3b15a26d772bde968972f54Anders Carlsson const StringLiteral* getString() const { return String; } 11185508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11195508518a2702b00be3b15a26d772bde968972f54Anders Carlsson virtual SourceRange getSourceRange() const { 1120beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff return SourceRange(AtLoc, String->getLocEnd()); 11215508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 11225508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11235508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const Stmt *T) { 11245508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return T->getStmtClass() == ObjCStringLiteralClass; 11255508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 11265508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const ObjCStringLiteral *) { return true; } 11271237c673c07f9d827129ba02720108816abde562Ted Kremenek 11281237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11291237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11301237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 11315508518a2702b00be3b15a26d772bde968972f54Anders Carlsson}; 11325508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 1133f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// ObjCEncodeExpr, used for @encode in Objective-C. 1134f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonclass ObjCEncodeExpr : public Expr { 1135f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType EncType; 1136674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation AtLoc, RParenLoc; 1137f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonpublic: 1138f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson ObjCEncodeExpr(QualType T, QualType ET, 1139674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation at, SourceLocation rp) 1140674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner : Expr(ObjCEncodeExprClass, T), EncType(ET), AtLoc(at), RParenLoc(rp) {} 1141f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1142674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation getAtLoc() const { return AtLoc; } 114305de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 114405de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner 1145674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 1146f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1147f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType getEncodedType() const { return EncType; } 1148f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1149f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const Stmt *T) { 1150f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson return T->getStmtClass() == ObjCEncodeExprClass; 1151f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson } 1152f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const ObjCEncodeExpr *) { return true; } 11531237c673c07f9d827129ba02720108816abde562Ted Kremenek 11541237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11551237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11561237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1157f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson}; 1158f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1159b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian/// ObjCSelectorExpr used for @selector in Objective-C. 1160b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianclass ObjCSelectorExpr : public Expr { 1161b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1162b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian Selector SelName; 1163b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 11642a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation AtLoc, RParenLoc; 1165b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianpublic: 1166b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian ObjCSelectorExpr(QualType T, Selector selInfo, 11672a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation at, SourceLocation rp) 1168b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian : Expr(ObjCSelectorExprClass, T), SelName(selInfo), 11692a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1170b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1171b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const Selector &getSelector() const { return SelName; } 1172b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian Selector &getSelector() { return SelName; } 1173b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 11742a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 11752a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 11762a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 11772a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian 1178b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian /// getNumArgs - Return the number of actual arguments to this call. 1179b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian unsigned getNumArgs() const { return SelName.getNumArgs(); } 1180b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1181b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian static bool classof(const Stmt *T) { 1182b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian return T->getStmtClass() == ObjCSelectorExprClass; 1183b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian } 1184390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCSelectorExpr *) { return true; } 1185b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1186b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian // Iterators 1187b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_begin(); 1188b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_end(); 1189b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1190b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian}; 1191b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1192390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian/// ObjCProtocolExpr used for protocol in Objective-C. 1193390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanianclass ObjCProtocolExpr : public Expr { 1194390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1195390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian ObjcProtocolDecl *Protocol; 1196390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1197390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation AtLoc, RParenLoc; 1198390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian public: 1199390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian ObjCProtocolExpr(QualType T, ObjcProtocolDecl *protocol, 1200390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation at, SourceLocation rp) 1201390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian : Expr(ObjCProtocolExprClass, T), Protocol(protocol), 1202390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1203390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1204390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian ObjcProtocolDecl *getProtocol() const { return Protocol; } 1205390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1206390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 1207390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 1208390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 1209390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1210390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const Stmt *T) { 1211390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return T->getStmtClass() == ObjCProtocolExprClass; 1212390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian } 1213390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCProtocolExpr *) { return true; } 1214390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1215390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian // Iterators 1216390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_begin(); 1217390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_end(); 1218390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1219390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian}; 1220390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1221563477da25f824e37c535131695dc4dc9b68c465Steve Naroffclass ObjCMessageExpr : public Expr { 1222563477da25f824e37c535131695dc4dc9b68c465Steve Naroff enum { RECEIVER=0, ARGS_START=1 }; 122368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1224563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr **SubExprs; 1225563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1226563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // A unigue name for this message. 1227bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Selector SelName; 1228563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1229db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // A method prototype for this message (optional). 1230db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // FIXME: Since method decls contain the selector, and most messages have a 1231db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // prototype, consider devising a scheme for unifying SelName/MethodProto. 1232db611d556f71f98b66b69514d45958d76e5727abSteve Naroff ObjcMethodDecl *MethodProto; 1233db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 123468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff IdentifierInfo *ClassName; // optional - 0 for instance messages. 1235563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1236563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceLocation LBracloc, RBracloc; 1237563477da25f824e37c535131695dc4dc9b68c465Steve Naroffpublic: 123868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for class messages. 1239563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // FIXME: clsName should be typed to ObjCInterfaceType 1240bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo, 1241db611d556f71f98b66b69514d45958d76e5727abSteve Naroff QualType retType, ObjcMethodDecl *methDecl, 1242db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 124368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff Expr **ArgExprs); 124468d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for instance messages. 1245bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(Expr *receiver, Selector selInfo, 1246db611d556f71f98b66b69514d45958d76e5727abSteve Naroff QualType retType, ObjcMethodDecl *methDecl, 1247db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 124868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff Expr **ArgExprs); 1249563477da25f824e37c535131695dc4dc9b68c465Steve Naroff ~ObjCMessageExpr() { 1250563477da25f824e37c535131695dc4dc9b68c465Steve Naroff delete [] SubExprs; 1251563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1252563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1253563477da25f824e37c535131695dc4dc9b68c465Steve Naroff const Expr *getReceiver() const { return SubExprs[RECEIVER]; } 1254563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr *getReceiver() { return SubExprs[RECEIVER]; } 1255563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 12566a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const Selector &getSelector() const { return SelName; } 12576a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff Selector &getSelector() { return SelName; } 1258db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 1259db611d556f71f98b66b69514d45958d76e5727abSteve Naroff const ObjcMethodDecl *getMethodDecl() const { return MethodProto; } 1260db611d556f71f98b66b69514d45958d76e5727abSteve Naroff ObjcMethodDecl *getMethodDecl() { return MethodProto; } 12616a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 12626a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const IdentifierInfo *getClassName() const { return ClassName; } 12636a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff IdentifierInfo *getClassName() { return ClassName; } 12646a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 1265563477da25f824e37c535131695dc4dc9b68c465Steve Naroff /// getNumArgs - Return the number of actual arguments to this call. 1266bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff unsigned getNumArgs() const { return SelName.getNumArgs(); } 1267bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff 1268bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff/// getArg - Return the specified argument. 1269bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Expr *getArg(unsigned Arg) { 1270bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff assert(Arg < SelName.getNumArgs() && "Arg access out of range!"); 1271bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1272bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1273bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff const Expr *getArg(unsigned Arg) const { 1274bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff assert(Arg < SelName.getNumArgs() && "Arg access out of range!"); 1275bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1276bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1277934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1278934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 1279934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < SelName.getNumArgs() && "Arg access out of range!"); 1280934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 1281934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 1282563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceRange getSourceRange() const { return SourceRange(LBracloc, RBracloc); } 1283563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1284563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const Stmt *T) { 1285563477da25f824e37c535131695dc4dc9b68c465Steve Naroff return T->getStmtClass() == ObjCMessageExprClass; 1286563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1287563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const ObjCMessageExpr *) { return true; } 1288563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1289563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // Iterators 1290563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_begin(); 1291563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_end(); 1292563477da25f824e37c535131695dc4dc9b68c465Steve Naroff}; 1293563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1297