Expr.h revision 5d826b82936beb2c32dd02460332ba8035192c65
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Expr.h - Classes for representing expressions ----------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// 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" 20b107ce82d425939ce32fc3c02faf7c2364abc1a3Fariborz Jahanian#include "clang/AST/DeclObjC.h" 21c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner#include "clang/Basic/IdentifierTable.h" 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/APSInt.h" 23525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner#include "llvm/ADT/APFloat.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 27bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff class Selector; 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 29590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(StmtClass SC, QualType T) : Stmt(SC), TR(T) {} 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getType() const { return TR; } 41fa2eaabd304172dd8afc561f6156a65f8d0e442bSteve Naroff void setType(QualType t) { TR = t; } 4277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 6508ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 71fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 74ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isLvalueResult isLvalue() const; 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 85fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ArrayType 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 91ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isModifiableLvalueResult isModifiableLvalue() const; 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 93590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 99590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 100590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 102590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APSInt X(32); 104590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10638374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff /// isConstantExpr - Return true if this expression is a valid constant expr. 10738374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff bool isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const; 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1091d09ecca892185ba067e47ba879f424de59950efChris Lattner /// hasStaticStorage - Return true if this expression has static storage 1104cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// duration. This means that the address of this expression is a link-time 1114cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// constant. 1124e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek bool hasStaticStorage() const; 1134e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1144e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 1154e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// its subexpression. If that subexpression is also a ParenExpr, 1164e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 1174e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 1184e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek Expr* IgnoreParens(); 11956f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 12056f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 12156f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// or CastExprs or ImplicitCastExprs, returning their operand. 12256f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 1234e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1244e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek const Expr* IgnoreParens() const { 1254e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 1264e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 12756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 12856f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 12956f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 13056f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1362e7d352dbec06755105237afba183492d31d03cbTed Kremenek 1370f84c0059cec39fd1c73ac05bc2864dca664e7f4Ted Kremenek static inline Expr* Create(llvm::Deserializer& D) { 1380f84c0059cec39fd1c73ac05bc2864dca664e7f4Ted Kremenek return cast<Expr>(Stmt::Create(D)); 1392e7d352dbec06755105237afba183492d31d03cbTed Kremenek } 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1498e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *D; 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1528e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1558e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *getDecl() { return D; } 1568e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff const ValueDecl *getDecl() const { return D; } 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 16477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 16577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 16677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 16777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1682dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 169ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 170ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static DeclRefExpr* CreateImpl(llvm::Deserializer& D); 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 173ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// PreDefinedExpr - [C99 6.4.2.2] - A pre-defined identifier such as __func__. 174227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonclass PreDefinedExpr : public Expr { 175227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 176227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 177227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 178227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 179227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PrettyFunction 180227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 181227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 182227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 183227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 184227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 185227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 186227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PreDefinedExpr(SourceLocation l, QualType type, IdentType IT) 187227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson : Expr(PreDefinedExprClass, type), Loc(l), Type(IT) {} 188227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 189227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 190227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 191227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 192227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 193227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 194227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson return T->getStmtClass() == PreDefinedExprClass; 195227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 19677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek static bool classof(const PreDefinedExpr *) { return true; } 19777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 19877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 19977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 20077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2011ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek 202ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 203ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static PreDefinedExpr* CreateImpl(llvm::Deserializer& D); 204227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 205227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 22377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 22477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 22577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 22677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2272dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 228ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 229ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static IntegerLiteral* CreateImpl(llvm::Deserializer& D); 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2402eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 2412eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 25077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 25177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 25277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 25377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2547338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek 255ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 256ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static CharacterLiteral* CreateImpl(llvm::Deserializer& D); 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 260525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 261720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 264720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek FloatingLiteral(const llvm::APFloat &V, bool* isexact, 265720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 266720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek : Expr(FloatingLiteralClass, Type), Value(V), IsExact(*isexact), Loc(L) {} 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 268c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 269720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek 270720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 271c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 2723d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// getValueAsDouble - This returns the value as an inaccurate double. Note 2733d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// that this may cause loss of precision, but is useful for debugging dumps 2743d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// etc. 2753d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner double getValueAsDouble() const { 2763d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner // FIXME: We need something for long double here. 2771c9bdaef20398390818e9114269cd9925534b89cChris Lattner if (cast<BuiltinType>(getType())->getKind() == BuiltinType::Float) 2781c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToFloat(); 2791c9bdaef20398390818e9114269cd9925534b89cChris Lattner else 2801c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToDouble(); 2811c9bdaef20398390818e9114269cd9925534b89cChris Lattner } 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 28977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 29077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 29177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 29277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 293612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek 294ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 295ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static FloatingLiteral* CreateImpl(llvm::Deserializer& D); 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2985d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 2995d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 3005d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 3015d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 3025d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 3035d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 3045d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *Val; 3055d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 3065d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 3075d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 3085d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3095d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner const Expr *getSubExpr() const { return Val; } 3105d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *getSubExpr() { return Val; } 3115d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3125d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 3135d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 3145d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 3155d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 3165d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 3175d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3185d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 3195d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 3205d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 3211c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek 322ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 323ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ImaginaryLiteral* CreateImpl(llvm::Deserializer& D); 3245d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 3255d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 326e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 327e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 328e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 329a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 330a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// ConstantArrayType. 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 35577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 35677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 35777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 35877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3597febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek 360ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 361ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static StringLiteral* CreateImpl(llvm::Deserializer& D); 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(L, R); } 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 38177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 38277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 38377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 38477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3859eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 386ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 387ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ParenExpr* CreateImpl(llvm::Deserializer& D); 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 394dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 395dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 396dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 397dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 398dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 399dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 400dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 40173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 40273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 40373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 40473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 40713d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 41673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 41773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 4385d826b82936beb2c32dd02460332ba8035192c65Ted Kremenek bool isIncrementOp() const {return Opc==PreInc || Opc==PostInc; } 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 4415a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson bool isOffsetOfOp() const { return Opc == OffsetOf; } 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 46077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4615a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson int64_t evaluateOffsetOf(ASTContext& C) const; 4625a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson 46377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 46477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 46577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4661049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek 467ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 468ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static UnaryOperator* CreateImpl(llvm::Deserializer& D); 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 48576e773a443be9f006610f46529e07d4c8d857680Chris Lattner 48676e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(OpLoc, RParenLoc); } 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 4915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 49377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 49477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 49577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 49677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 497ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek 498ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 499ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek static SizeOfAlignOfTypeExpr* CreateImpl(llvm::Deserializer& D); 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 50877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 50977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr* SubExprs[END_EXPR]; 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5122324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 51373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 51473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 51573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 51673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 51773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5192324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 5202324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 5212324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 5222324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 5232324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 52433fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 52533fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 52633fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 52733fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 52877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getLHS() { return SubExprs[LHS]; } 52977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getLHS() const { return SubExprs[LHS]; } 53077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 53177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getRHS() { return SubExprs[RHS]; } 53277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getRHS() const { return SubExprs[RHS]; } 5332324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 53477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 53533fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 53677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 53777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5382324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 53933fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 5402324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5412324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 54277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 54333fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 5442324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5452324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 54677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 54733fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 54877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 54977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 55277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 56077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 56177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 56277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 56377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 56496fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek 565ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 566ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ArraySubscriptExpr* CreateImpl(llvm::Deserializer& D); 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 57377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 57477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr **SubExprs; 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 577d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 578d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek // This version of the ctor is for deserialization. 579d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek CallExpr(Expr** subexprs, unsigned numargs, QualType t, 580d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek SourceLocation rparenloc) 581d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek : Expr(CallExprClass,t), SubExprs(subexprs), 582d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek NumArgs(numargs), RParenLoc(rparenloc) {} 583d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 58877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 59177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getCallee() const { return SubExprs[FN]; } 59277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getCallee() { return SubExprs[FN]; } 59318b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 60277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 60677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 608934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 609934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 610934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 611934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 612934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 613d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 614d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 615d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 616d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 617d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner void setNumArgs(unsigned NumArgs); 618d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 619d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner typedef Expr **arg_iterator; 620d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner typedef Expr * const *arg_const_iterator; 621d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 622d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 623d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_const_iterator arg_begin() const { return SubExprs+ARGS_START; } 624d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_const_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs(); } 625d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 626d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 63113b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBuiltinClassifyType(llvm::APSInt &Result) const; 632c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff 633c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff /// isBuiltinConstantExpr - Return true if this built-in call is constant. 634c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff bool isBuiltinConstantExpr() const; 63513b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff 636d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 6375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 63877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 6395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 64577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 64677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 64777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 64877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 649d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 650ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 651ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static CallExpr* CreateImpl(llvm::Deserializer& D); 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 6555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 662510190777c4bd53e960eea4665b204778fec1b64Eli Friedman MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l, 663510190777c4bd53e960eea4665b204778fec1b64Eli Friedman QualType ty) 664510190777c4bd53e960eea4665b204778fec1b64Eli Friedman : Expr(MemberExprClass, ty), 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 666510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 6801237c673c07f9d827129ba02720108816abde562Ted Kremenek 6811237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6821237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6831237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 684bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek 685bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 686bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek static MemberExpr* CreateImpl(llvm::Deserializer& D); 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6896481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// OCUVectorElementExpr - This represents access to specific elements of a 690cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 691cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element ocu vector. 69231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 6936481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass OCUVectorElementExpr : public Expr { 694fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 695fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 696fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 69731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 6986481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner enum ElementType { 699cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Point, // xywz 700cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Color, // rgba 701dd652cdb7046155437eeb3dff512768f0a57369bChris Lattner Texture // stpq 70231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff }; 7036481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner OCUVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 7046481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner SourceLocation loc) 7056481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(OCUVectorElementExprClass, ty), 7066481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 70731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 708cb92a118145c2a425666068d37c4049c38e24914Chris Lattner const Expr *getBase() const { return Base; } 709cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Expr *getBase() { return Base; } 710cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 711cb92a118145c2a425666068d37c4049c38e24914Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 712cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 7136481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getNumElements - Get the number of components being selected. 7146481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner unsigned getNumElements() const; 7154d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 7166481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getElementType - Determine whether the components of this access are 717cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// "point" "color" or "texture" elements. 7186481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner ElementType getElementType() const; 71931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 7206481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// containsDuplicateElements - Return true if any element access is 721cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// repeated. 7226481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner bool containsDuplicateElements() const; 723fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 724b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into a bit vector. 725b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// The encoding currently uses 2-bit bitfields, but clients should use the 726b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// accessors below to access them. 727b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// 728b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner unsigned getEncodedElementAccess() const; 729b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 730b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getAccessedFieldNo - Given an encoded value and a result number, return 731b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// the input field number being accessed. 732b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static unsigned getAccessedFieldNo(unsigned Idx, unsigned EncodedVal) { 733b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner return (EncodedVal >> (Idx*2)) & 3; 734b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 735b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 73631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 73731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 73831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 73931a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 7406481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == OCUVectorElementExprClass; 74131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 7426481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const OCUVectorElementExpr *) { return true; } 7431237c673c07f9d827129ba02720108816abde562Ted Kremenek 7441237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7451237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7461237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 74731a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 74831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 749aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 750aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 751aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 7520fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 7530fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 7540fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 7550fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 756aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 757e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 758aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 759e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff CompoundLiteralExpr(SourceLocation lparenloc, QualType ty, Expr *init, bool fileScope) : 760e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff Expr(CompoundLiteralExprClass, ty), LParenLoc(lparenloc), Init(init), FileScope(fileScope) {} 761aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 76206184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner const Expr *getInitializer() const { return Init; } 76306184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner Expr *getInitializer() { return Init; } 764e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 765e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 766aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 7670fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 7680fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner 76973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 7700fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 7710fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 7720fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 7730fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 77473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 7750fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 77673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 777aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 778aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 779aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 780aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 781aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 7821237c673c07f9d827129ba02720108816abde562Ted Kremenek 7831237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7841237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7851237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7864b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek 7874b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 7884b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek static CompoundLiteralExpr* CreateImpl(llvm::Deserializer& D); 789aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 790aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 79149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 79249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 79349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 79449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 79549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 79649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 79749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 79849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 799d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 80049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 801d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 802d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 80390045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 804aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 80590045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 80649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 80749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 80849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 80949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 8101237c673c07f9d827129ba02720108816abde562Ted Kremenek 8111237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8121237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8131237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 814a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek 815ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 816ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ImplicitCastExpr* CreateImpl(llvm::Deserializer& D); 81749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 81849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 82626dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 82749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 833311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner return SourceRange(Loc, getSubExpr()->getSourceRange().getEnd()); 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 8375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 8391237c673c07f9d827129ba02720108816abde562Ted Kremenek 8401237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8411237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8421237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8439971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek 844ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 845ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static CastExpr* CreateImpl(llvm::Deserializer& D); 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 85203d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 87117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 87217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 87317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Expr* SubExprs[END_EXPR]; 87417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 87517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 87617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 87817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 87917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 88017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 8811237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8821237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 88717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 8891237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8901237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 911eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 912eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 913eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 9161237c673c07f9d827129ba02720108816abde562Ted Kremenek 9171237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9181237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9191237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 9202dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 921ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 922ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static BinaryOperator* CreateImpl(llvm::Deserializer& D); 9231237c673c07f9d827129ba02720108816abde562Ted Kremenek 9245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 92517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 92617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 92717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 9281237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9291237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 9395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 9405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 9415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 94317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 94417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 94517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 94617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 9525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 9545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 955eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 95783efb151a0c1df8cb8fb25d6dbb6c0f12f07f60aTed Kremenek 958ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 959ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static CompoundAssignOperator* CreateImpl(llvm::Deserializer& D); 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 9661237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 9671237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 9685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 9701237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 9711237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 9721237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9731237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9741237c673c07f9d827129ba02720108816abde562Ted Kremenek } 9755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 976395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 977395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 9781237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 979395a2abf0028968d85958610e393e067885dc14fTed Kremenek 980395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 981395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 982395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 983395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 984395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 985395a2abf0028968d85958610e393e067885dc14fTed Kremenek // is only evaluated once. 986395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 987395a2abf0028968d85958610e393e067885dc14fTed Kremenek return SubExprs[LHS] ? SubExprs[COND] : SubExprs[LHS]; 988395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 989395a2abf0028968d85958610e393e067885dc14fTed Kremenek 990395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 991395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 992395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getFalseExpr() const { return SubExprs[RHS]; } 993395a2abf0028968d85958610e393e067885dc14fTed Kremenek 9941237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 9951237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 9965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 10041237c673c07f9d827129ba02720108816abde562Ted Kremenek 10051237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10061237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10071237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1008aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1009ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1010ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ConditionalOperator* CreateImpl(llvm::Deserializer& D); 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10136481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 10146481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 10175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10186481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 10196481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 10206481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 10296481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10316481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 10321237c673c07f9d827129ba02720108816abde562Ted Kremenek 10331237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10341237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10351237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1036aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1037ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1038ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static AddrLabelExpr* CreateImpl(llvm::Deserializer& D); 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1040ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1041ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 1042ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 1043ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 1044ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 1045ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 1046ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 1047ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 1048d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 1049d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 1050d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 1051ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1052ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 1053ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 1054ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1055ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 1056ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 1057ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1059ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 1060ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 1061ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 1062ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 10631237c673c07f9d827129ba02720108816abde562Ted Kremenek 10641237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10651237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10661237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1067aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1068ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1069ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static StmtExpr* CreateImpl(llvm::Deserializer& D); 1070ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 1071ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1072d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 1073d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 1074d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 1075d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 1076d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 1077d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 1078d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 1079363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1080d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 1081363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 1082d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 1083d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 1084363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 1085d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 10867f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 10877f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 1088ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1089d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 1090363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1091d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1092d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 1093d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 1094d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1095d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 10961237c673c07f9d827129ba02720108816abde562Ted Kremenek 10971237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10981237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10991237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1100d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 1101d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 1102d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 1103d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 1104d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 1105d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 1106d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 1107d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 1108d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 11091237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 11101237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 1111d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1112d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 1113d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 1114d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 1115d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 11161237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 11171237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 11181237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 11191237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 11201237c673c07f9d827129ba02720108816abde562Ted Kremenek } 1121c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 112227437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// isConditionTrue - Return true if the condition is true. This is always 112327437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// statically knowable for a well-formed choosexpr. 112427437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 112527437caadea35f84d550cd29f024fcf3ea240eecChris Lattner 11261237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 11271237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 11281237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 11291237c673c07f9d827129ba02720108816abde562Ted Kremenek 1130d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 1131d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1132d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1133d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 1134d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 1135d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1136d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 11371237c673c07f9d827129ba02720108816abde562Ted Kremenek 11381237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11391237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11401237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1141d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 1142d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 1143e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman/// OverloadExpr - Clang builtin-in function __builtin_overload. 114467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// This AST node provides a way to overload functions in C. 114567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 114667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The first argument is required to be a constant expression, for the number 114767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// of arguments passed to each candidate function. 114867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 114967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The next N arguments, where N is the value of the constant expression, 115067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the values to be passed as arguments. 115167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 115267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The rest of the arguments are values of pointer to function type, which 115367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the candidate functions for overloading. 115467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 115567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The result is a equivalent to a CallExpr taking N arguments to the 115667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// candidate function whose parameter types match the types of the N arguments. 115767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 115867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// example: float Z = __builtin_overload(2, X, Y, modf, mod, modl); 115967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are long doubles, Z will assigned the result of modl(X, Y); 116067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are floats, Z will be assigned the result of modf(X, Y); 1161e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanclass OverloadExpr : public Expr { 116267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExprs - the list of values passed to the __builtin_overload function. 116367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[0] is a constant expression 116467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[1-N] are the parameters to pass to the matching function call 116567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[N-...] are the candidate functions, of type pointer to function. 1166e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman Expr **SubExprs; 116767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 116867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // NumExprs - the size of the SubExprs array 116967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned NumExprs; 117067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 117167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // The index of the matching candidate function 1172e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman unsigned FnIndex; 117367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1174e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation BuiltinLoc; 1175e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation RParenLoc; 1176e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanpublic: 1177796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman OverloadExpr(Expr **args, unsigned nexprs, unsigned idx, QualType t, 1178e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation bloc, SourceLocation rploc) 1179796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman : Expr(OverloadExprClass, t), NumExprs(nexprs), FnIndex(idx), 118067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman BuiltinLoc(bloc), RParenLoc(rploc) { 1181796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman SubExprs = new Expr*[nexprs]; 1182796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman for (unsigned i = 0; i != nexprs; ++i) 1183e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SubExprs[i] = args[i]; 1184e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1185e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman ~OverloadExpr() { 1186e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman delete [] SubExprs; 1187e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1188e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 118967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// arg_begin - Return a pointer to the list of arguments that will be passed 119067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// to the matching candidate function, skipping over the initial constant 119167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// expression. 1192e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman typedef Expr * const *arg_const_iterator; 1193e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman arg_const_iterator arg_begin() const { return SubExprs+1; } 1194e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 119567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// getNumArgs - Return the number of arguments to pass to the candidate 119667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// functions. 119767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumArgs(ASTContext &Ctx) const { 119867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman llvm::APSInt constEval(32); 119967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman (void) SubExprs[0]->isIntegerConstantExpr(constEval, Ctx); 120067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman return constEval.getZExtValue(); 120167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman } 120267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1203796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1204796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// constant expression, the actual arguments passed in, and the function 1205796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// pointers. 120667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumSubExprs() const { return NumExprs; } 1207e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1208796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getExpr - Return the Expr at the specified index. 1209796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman Expr *getExpr(unsigned Index) { 1210796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman assert((Index < NumExprs) && "Arg access out of range!"); 1211796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman return SubExprs[Index]; 1212e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 121367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1214796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getFn - Return the matching candidate function for this OverloadExpr. 121567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman Expr *getFn() const { return SubExprs[FnIndex]; } 1216e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1217e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual SourceRange getSourceRange() const { 1218e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return SourceRange(BuiltinLoc, RParenLoc); 1219e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1220e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const Stmt *T) { 1221e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return T->getStmtClass() == OverloadExprClass; 1222e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1223e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const OverloadExpr *) { return true; } 1224e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1225e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman // Iterators 1226e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_begin(); 1227e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_end(); 1228e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman}; 1229e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 12307c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 12317c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 12327c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *Val; 12337c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 12347c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 12357c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 12367c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 12377c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 12387c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 12397c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 12407c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 12417c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson const Expr *getSubExpr() const { return Val; } 12427c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *getSubExpr() { return Val; } 12437c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 12447c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 12457c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 12467c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 12477c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 12487c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 12497c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 12507c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 12517c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 12527c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 12537c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 12547c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 12557c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 1256196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// InitListExpr - used for struct and array initializers, such as: 1257196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// struct foo x = { 1, { 2, 3 } }; 1258196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1259196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// Because C is somewhat loose with braces, the AST does not necessarily 1260196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// directly model the C source. Instead, the semantic analyzer aims to make 1261196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// the InitListExprs match up with the type of the decl being initialized. We 1262196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// have the following exceptions: 1263196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1264196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1. Elements at the end of the list may be dropped from the initializer. 1265196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// These elements are defined to be initialized to zero. For example: 1266196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[20] = { 1 }; 1267196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 2. Initializers may have excess initializers which are to be ignored by the 1268196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// compiler. For example: 1269196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[1] = { 1, 2 }; 12703fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// 3. Redundant InitListExprs may be present around scalar elements. These 12713fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// always have a single element whose type is the same as the InitListExpr. 12723fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// this can only happen for Type::isScalarType() types. 1273196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x = { 1 }; int y[2] = { {1}, {2} }; 1274196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 127566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 127666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr **InitExprs; 127766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned NumInits; 127866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 127966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 128066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 128166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 128266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson ~InitListExpr() { 128366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson delete [] InitExprs; 128466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 128566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 128666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned getNumInits() const { return NumInits; } 128766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 128866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 128966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 129066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 129166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 129266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 129366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 129466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 129566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 129666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 129766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 12989e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 12999e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff assert(Init < NumInits && "Initializer access out of range!"); 13009e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 13019e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 13029e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 130366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 130466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 130566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 130666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 130766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 130866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 130966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 131066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 131166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 131266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 131366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 13146336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 13156336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 13166336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek static InitListExpr* CreateImpl(llvm::Deserializer& D); 13176336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 13186336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenekprivate: 13196336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek // Used by serializer. 13206336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek InitListExpr() : Expr(InitListExprClass, QualType()), 13216336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek InitExprs(NULL), NumInits(0) {} 132266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 132366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 13245508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// ObjCStringLiteral, used for Objective-C string literals 13255508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// i.e. @"foo". 13265508518a2702b00be3b15a26d772bde968972f54Anders Carlssonclass ObjCStringLiteral : public Expr { 13275508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral *String; 1328beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff SourceLocation AtLoc; 13295508518a2702b00be3b15a26d772bde968972f54Anders Carlssonpublic: 1330beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff ObjCStringLiteral(StringLiteral *SL, QualType T, SourceLocation L) 1331beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff : Expr(ObjCStringLiteralClass, T), String(SL), AtLoc(L) {} 13325508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13335508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral* getString() { return String; } 13345508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13355508518a2702b00be3b15a26d772bde968972f54Anders Carlsson const StringLiteral* getString() const { return String; } 13365508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13375ca4020c6e1e4f8d81cf4c2890ca8a7c0dd28d56Steve Naroff SourceLocation getAtLoc() const { return AtLoc; } 13385ca4020c6e1e4f8d81cf4c2890ca8a7c0dd28d56Steve Naroff 13395508518a2702b00be3b15a26d772bde968972f54Anders Carlsson virtual SourceRange getSourceRange() const { 1340beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff return SourceRange(AtLoc, String->getLocEnd()); 13415508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 13425508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13435508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const Stmt *T) { 13445508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return T->getStmtClass() == ObjCStringLiteralClass; 13455508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 13465508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const ObjCStringLiteral *) { return true; } 13471237c673c07f9d827129ba02720108816abde562Ted Kremenek 13481237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 13491237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 13501237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 135146dc0a54ed6deb165117a6b0166d9bb7acb785f5Ted Kremenek 135246dc0a54ed6deb165117a6b0166d9bb7acb785f5Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 135346dc0a54ed6deb165117a6b0166d9bb7acb785f5Ted Kremenek static ObjCStringLiteral* CreateImpl(llvm::Deserializer& D); 13545508518a2702b00be3b15a26d772bde968972f54Anders Carlsson}; 13555508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 1356f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// ObjCEncodeExpr, used for @encode in Objective-C. 1357f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonclass ObjCEncodeExpr : public Expr { 1358f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType EncType; 1359674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation AtLoc, RParenLoc; 1360f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonpublic: 1361f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson ObjCEncodeExpr(QualType T, QualType ET, 1362674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation at, SourceLocation rp) 1363674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner : Expr(ObjCEncodeExprClass, T), EncType(ET), AtLoc(at), RParenLoc(rp) {} 1364f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1365674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation getAtLoc() const { return AtLoc; } 136605de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 136705de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner 1368674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 1369f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1370f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType getEncodedType() const { return EncType; } 1371f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1372f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const Stmt *T) { 1373f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson return T->getStmtClass() == ObjCEncodeExprClass; 1374f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson } 1375f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const ObjCEncodeExpr *) { return true; } 13761237c673c07f9d827129ba02720108816abde562Ted Kremenek 13771237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 13781237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 13791237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 13808f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek 13818f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 13828f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek static ObjCEncodeExpr* CreateImpl(llvm::Deserializer& D); 1383f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson}; 1384f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1385b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian/// ObjCSelectorExpr used for @selector in Objective-C. 1386b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianclass ObjCSelectorExpr : public Expr { 1387b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian Selector SelName; 13882a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation AtLoc, RParenLoc; 1389b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianpublic: 1390b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian ObjCSelectorExpr(QualType T, Selector selInfo, 13912a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation at, SourceLocation rp) 1392b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian : Expr(ObjCSelectorExprClass, T), SelName(selInfo), 13932a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1394b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1395b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const Selector &getSelector() const { return SelName; } 1396b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian Selector &getSelector() { return SelName; } 1397b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 13982a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 13992a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 14002a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 14012a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian 1402b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian /// getNumArgs - Return the number of actual arguments to this call. 1403b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian unsigned getNumArgs() const { return SelName.getNumArgs(); } 1404b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1405b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian static bool classof(const Stmt *T) { 1406b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian return T->getStmtClass() == ObjCSelectorExprClass; 1407b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian } 1408390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCSelectorExpr *) { return true; } 1409b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1410b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian // Iterators 1411b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_begin(); 1412b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_end(); 14138f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek 14148f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 14158f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek static ObjCSelectorExpr* CreateImpl(llvm::Deserializer& D); 1416b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian}; 1417b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1418390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian/// ObjCProtocolExpr used for protocol in Objective-C. 14198f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenekclass ObjCProtocolExpr : public Expr { 1420a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl *Protocol; 1421390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation AtLoc, RParenLoc; 14228f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenekpublic: 1423a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolExpr(QualType T, ObjCProtocolDecl *protocol, 1424390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation at, SourceLocation rp) 1425390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian : Expr(ObjCProtocolExprClass, T), Protocol(protocol), 1426390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1427390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1428a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl *getProtocol() const { return Protocol; } 1429390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1430390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 1431390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 1432390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 1433390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1434390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const Stmt *T) { 1435390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return T->getStmtClass() == ObjCProtocolExprClass; 1436390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian } 1437390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCProtocolExpr *) { return true; } 1438390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1439390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian // Iterators 1440390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_begin(); 1441390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_end(); 1442390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian}; 14437779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 14447779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff/// ObjCIvarRefExpr - A reference to an ObjC instance variable. 14457779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroffclass ObjCIvarRefExpr : public Expr { 1446a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCIvarDecl *D; 14477779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff SourceLocation Loc; 1448232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian Expr *Base; 14497e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff bool IsArrow:1; // True if this is "X->F", false if this is "X.F". 14507e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff bool IsFreeIvar:1; // True if ivar reference has no base (self assumed). 1451232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian 14527779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroffpublic: 1453a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarRefExpr(ObjCIvarDecl *d, QualType t, SourceLocation l, Expr *base=0, 14547e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff bool arrow = false, bool freeIvar = false) : 14557e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff Expr(ObjCIvarRefExprClass, t), D(d), Loc(l), Base(base), IsArrow(arrow), 14567e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff IsFreeIvar(freeIvar) {} 14577779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 1458a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarDecl *getDecl() { return D; } 1459a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCIvarDecl *getDecl() const { return D; } 14607779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1461232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian Expr *const getBase() const { return Base; } 14627da8d94cb79f311c5b126483b8edfe5dc70d6c8fFariborz Jahanian void setBase(Expr * base) { Base = base; } 1463232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian const bool isArrow() const { return IsArrow; } 14647e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff const bool isFreeIvar() const { return IsFreeIvar; } 14657e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff 14667e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff SourceLocation getLocation() const { return Loc; } 14677779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 14687779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff static bool classof(const Stmt *T) { 14697779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff return T->getStmtClass() == ObjCIvarRefExprClass; 14707779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff } 14717779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff static bool classof(const ObjCIvarRefExpr *) { return true; } 1472390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 14737779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff // Iterators 14747779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff virtual child_iterator child_begin(); 14757779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff virtual child_iterator child_end(); 14767779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 1477ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1478ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ObjCIvarRefExpr* CreateImpl(llvm::Deserializer& D); 14797779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff}; 14807779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 1481563477da25f824e37c535131695dc4dc9b68c465Steve Naroffclass ObjCMessageExpr : public Expr { 1482563477da25f824e37c535131695dc4dc9b68c465Steve Naroff enum { RECEIVER=0, ARGS_START=1 }; 148368d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1484563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr **SubExprs; 1485563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 148649f109c786f99eb7468dac3976db083a65493444Steve Naroff unsigned NumArgs; 148749f109c786f99eb7468dac3976db083a65493444Steve Naroff 1488563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // A unigue name for this message. 1489bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Selector SelName; 1490563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1491db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // A method prototype for this message (optional). 1492db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // FIXME: Since method decls contain the selector, and most messages have a 1493db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // prototype, consider devising a scheme for unifying SelName/MethodProto. 1494a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *MethodProto; 1495db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 149668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff IdentifierInfo *ClassName; // optional - 0 for instance messages. 1497563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1498563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceLocation LBracloc, RBracloc; 1499563477da25f824e37c535131695dc4dc9b68c465Steve Naroffpublic: 150068d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for class messages. 1501563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // FIXME: clsName should be typed to ObjCInterfaceType 1502bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo, 1503a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType retType, ObjCMethodDecl *methDecl, 1504db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 150549f109c786f99eb7468dac3976db083a65493444Steve Naroff Expr **ArgExprs, unsigned NumArgs); 150668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for instance messages. 1507bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(Expr *receiver, Selector selInfo, 1508a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType retType, ObjCMethodDecl *methDecl, 1509db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 151049f109c786f99eb7468dac3976db083a65493444Steve Naroff Expr **ArgExprs, unsigned NumArgs); 1511563477da25f824e37c535131695dc4dc9b68c465Steve Naroff ~ObjCMessageExpr() { 1512563477da25f824e37c535131695dc4dc9b68c465Steve Naroff delete [] SubExprs; 1513563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1514563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1515563477da25f824e37c535131695dc4dc9b68c465Steve Naroff const Expr *getReceiver() const { return SubExprs[RECEIVER]; } 1516563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr *getReceiver() { return SubExprs[RECEIVER]; } 1517563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 15186a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const Selector &getSelector() const { return SelName; } 15196a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff Selector &getSelector() { return SelName; } 1520db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 1521a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCMethodDecl *getMethodDecl() const { return MethodProto; } 1522a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *getMethodDecl() { return MethodProto; } 15236a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 15246a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const IdentifierInfo *getClassName() const { return ClassName; } 15256a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff IdentifierInfo *getClassName() { return ClassName; } 15266a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 1527563477da25f824e37c535131695dc4dc9b68c465Steve Naroff /// getNumArgs - Return the number of actual arguments to this call. 152849f109c786f99eb7468dac3976db083a65493444Steve Naroff unsigned getNumArgs() const { return NumArgs; } 1529bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff 1530bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff/// getArg - Return the specified argument. 1531bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Expr *getArg(unsigned Arg) { 153249f109c786f99eb7468dac3976db083a65493444Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1533bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1534bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1535bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff const Expr *getArg(unsigned Arg) const { 153649f109c786f99eb7468dac3976db083a65493444Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1537bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1538bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1539934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1540934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 154149f109c786f99eb7468dac3976db083a65493444Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1542934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 1543934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 1544563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceRange getSourceRange() const { return SourceRange(LBracloc, RBracloc); } 1545563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1546563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const Stmt *T) { 1547563477da25f824e37c535131695dc4dc9b68c465Steve Naroff return T->getStmtClass() == ObjCMessageExprClass; 1548563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1549563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const ObjCMessageExpr *) { return true; } 1550563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1551563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // Iterators 1552563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_begin(); 1553563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_end(); 1554563477da25f824e37c535131695dc4dc9b68c465Steve Naroff}; 1555563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 15565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 15575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1559