Expr.h revision 0bc735ffcfb223c0186419547abaa5c84482663e
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. 1121d09ecca892185ba067e47ba879f424de59950efChris Lattner bool hasStaticStorage() const; 1131d09ecca892185ba067e47ba879f424de59950efChris Lattner 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1192e7d352dbec06755105237afba183492d31d03cbTed Kremenek 1200f84c0059cec39fd1c73ac05bc2864dca664e7f4Ted Kremenek static inline Expr* Create(llvm::Deserializer& D) { 1210f84c0059cec39fd1c73ac05bc2864dca664e7f4Ted Kremenek return cast<Expr>(Stmt::Create(D)); 1222e7d352dbec06755105237afba183492d31d03cbTed Kremenek } 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1328e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *D; 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1358e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1388e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *getDecl() { return D; } 1398e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff const ValueDecl *getDecl() const { return D; } 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 14777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 14877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 14977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 15077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1512dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 152ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 153ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static DeclRefExpr* CreateImpl(llvm::Deserializer& D); 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 156ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// PreDefinedExpr - [C99 6.4.2.2] - A pre-defined identifier such as __func__. 157227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonclass PreDefinedExpr : public Expr { 158227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 159227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 160227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 161227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 162227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PrettyFunction 163227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 164227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 165227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 166227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 167227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 168227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 169227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PreDefinedExpr(SourceLocation l, QualType type, IdentType IT) 170227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson : Expr(PreDefinedExprClass, type), Loc(l), Type(IT) {} 171227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 172227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 173227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 174227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 175227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 176227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 177227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson return T->getStmtClass() == PreDefinedExprClass; 178227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 17977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek static bool classof(const PreDefinedExpr *) { return true; } 18077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 18177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 18277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 18377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1841ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek 185ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 186ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static PreDefinedExpr* CreateImpl(llvm::Deserializer& D); 187227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 188227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 20677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 20777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 20877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 20977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2102dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 211ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 212ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static IntegerLiteral* CreateImpl(llvm::Deserializer& D); 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2232eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 2242eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 23377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 23477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 23577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 23677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2377338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek 238ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 239ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static CharacterLiteral* CreateImpl(llvm::Deserializer& D); 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 243525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 244720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 247720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek FloatingLiteral(const llvm::APFloat &V, bool* isexact, 248720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 249720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek : Expr(FloatingLiteralClass, Type), Value(V), IsExact(*isexact), Loc(L) {} 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 251c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 252720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek 253720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 254c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 2553d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// getValueAsDouble - This returns the value as an inaccurate double. Note 2563d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// that this may cause loss of precision, but is useful for debugging dumps 2573d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// etc. 2583d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner double getValueAsDouble() const { 2593d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner // FIXME: We need something for long double here. 2601c9bdaef20398390818e9114269cd9925534b89cChris Lattner if (cast<BuiltinType>(getType())->getKind() == BuiltinType::Float) 2611c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToFloat(); 2621c9bdaef20398390818e9114269cd9925534b89cChris Lattner else 2631c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToDouble(); 2641c9bdaef20398390818e9114269cd9925534b89cChris Lattner } 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 27277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 27377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 27477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 27577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 276612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek 277ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 278ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static FloatingLiteral* CreateImpl(llvm::Deserializer& D); 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2815d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 2825d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 2835d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 2845d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 2855d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 2865d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 2875d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *Val; 2885d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 2895d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 2905d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 2915d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2925d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner const Expr *getSubExpr() const { return Val; } 2935d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *getSubExpr() { return Val; } 2945d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 2955d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 2965d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 2975d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 2985d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 2995d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 3005d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3015d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 3025d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 3035d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 3041c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek 305ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 306ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ImaginaryLiteral* CreateImpl(llvm::Deserializer& D); 3075d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 3085d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 309e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 310e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 311e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 312e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// calling getByteLength(). 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 33777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 33877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 33977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 34077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3417febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek 342ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 343ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static StringLiteral* CreateImpl(llvm::Deserializer& D); 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(L, R); } 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 36377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 36477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 36577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 36677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3679eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 368ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 369ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ParenExpr* CreateImpl(llvm::Deserializer& D); 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 376dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 377dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 378dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 379dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 380dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 381dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 382dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 38373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 38473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 38573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 38673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 38913d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 39873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 39973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 44077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 44177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 44277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 44377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4441049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek 445ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 446ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static UnaryOperator* CreateImpl(llvm::Deserializer& D); 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 46376e773a443be9f006610f46529e07d4c8d857680Chris Lattner 46476e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { return SourceRange(OpLoc, RParenLoc); } 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 47177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 47277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 47377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 47477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 475ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek 476ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 477ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek static SizeOfAlignOfTypeExpr* CreateImpl(llvm::Deserializer& D); 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 48677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 48777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr* SubExprs[END_EXPR]; 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4902324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 49173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 49273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 49373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 49473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 49573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4972324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 4982324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 4992324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 5002324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 5012324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 50233fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 50333fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 50433fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 50533fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 50677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getLHS() { return SubExprs[LHS]; } 50777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getLHS() const { return SubExprs[LHS]; } 50877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 50977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getRHS() { return SubExprs[RHS]; } 51077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getRHS() const { return SubExprs[RHS]; } 5112324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 51277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 51333fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 51477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 51577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5162324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 51733fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 5182324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5192324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 52077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 52133fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 5222324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5232324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 52477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 52533fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 52677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 52777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 53077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 53877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 53977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 54077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 54177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 54296fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek 543ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 544ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ArraySubscriptExpr* CreateImpl(llvm::Deserializer& D); 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 55177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 55277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr **SubExprs; 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 555d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 556d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek // This version of the ctor is for deserialization. 557d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek CallExpr(Expr** subexprs, unsigned numargs, QualType t, 558d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek SourceLocation rparenloc) 559d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek : Expr(CallExprClass,t), SubExprs(subexprs), 560d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek NumArgs(numargs), RParenLoc(rparenloc) {} 561d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 56677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 56977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getCallee() const { return SubExprs[FN]; } 57077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getCallee() { return SubExprs[FN]; } 57118b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 58077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 58477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 586934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 587934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 588934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 589934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 590934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 591d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 592d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 593d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 594d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 595d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner void setNumArgs(unsigned NumArgs); 596d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 597d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner typedef Expr **arg_iterator; 598d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner typedef Expr * const *arg_const_iterator; 599d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 600d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 601d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_const_iterator arg_begin() const { return SubExprs+ARGS_START; } 602d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_const_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs(); } 603d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 604d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 60913b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBuiltinClassifyType(llvm::APSInt &Result) const; 61013b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff 611d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange getSourceRange() const { 61377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 62077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 62177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 62277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 62377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 624d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 625ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 626ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static CallExpr* CreateImpl(llvm::Deserializer& D); 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l) 6385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(MemberExprClass, memberdecl->getType()), 6395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 6541237c673c07f9d827129ba02720108816abde562Ted Kremenek 6551237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6561237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6571237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 658bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek 659bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 660bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek static MemberExpr* CreateImpl(llvm::Deserializer& D); 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6636481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// OCUVectorElementExpr - This represents access to specific elements of a 664cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 665cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element ocu vector. 66631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 6676481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass OCUVectorElementExpr : public Expr { 668fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 669fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 670fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 67131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 6726481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner enum ElementType { 673cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Point, // xywz 674cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Color, // rgba 675dd652cdb7046155437eeb3dff512768f0a57369bChris Lattner Texture // stpq 67631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff }; 6776481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner OCUVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 6786481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner SourceLocation loc) 6796481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(OCUVectorElementExprClass, ty), 6806481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 68131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 682cb92a118145c2a425666068d37c4049c38e24914Chris Lattner const Expr *getBase() const { return Base; } 683cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Expr *getBase() { return Base; } 684cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 685cb92a118145c2a425666068d37c4049c38e24914Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 686cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 6876481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getNumElements - Get the number of components being selected. 6886481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner unsigned getNumElements() const; 6894d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 6906481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getElementType - Determine whether the components of this access are 691cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// "point" "color" or "texture" elements. 6926481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner ElementType getElementType() const; 69331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 6946481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// containsDuplicateElements - Return true if any element access is 695cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// repeated. 6966481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner bool containsDuplicateElements() const; 697fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 698b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into a bit vector. 699b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// The encoding currently uses 2-bit bitfields, but clients should use the 700b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// accessors below to access them. 701b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// 702b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner unsigned getEncodedElementAccess() const; 703b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 704b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getAccessedFieldNo - Given an encoded value and a result number, return 705b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// the input field number being accessed. 706b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static unsigned getAccessedFieldNo(unsigned Idx, unsigned EncodedVal) { 707b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner return (EncodedVal >> (Idx*2)) & 3; 708b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 709b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 71031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 71131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 71231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 71331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 7146481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == OCUVectorElementExprClass; 71531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 7166481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const OCUVectorElementExpr *) { return true; } 7171237c673c07f9d827129ba02720108816abde562Ted Kremenek 7181237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7191237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7201237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 72131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 72231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 723aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 724aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 725aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 726aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 727aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 728aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff CompoundLiteralExpr(QualType ty, Expr *init) : 729aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr(CompoundLiteralExprClass, ty), Init(init) {} 730aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 73106184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner const Expr *getInitializer() const { return Init; } 73206184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner Expr *getInitializer() { return Init; } 733aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 73473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 73573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner if (Init) 73673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 73773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return SourceRange(); 73873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 739aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 740aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 741aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 742aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 743aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 7441237c673c07f9d827129ba02720108816abde562Ted Kremenek 7451237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7461237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7471237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7484b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek 7494b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 7504b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek static CompoundLiteralExpr* CreateImpl(llvm::Deserializer& D); 751aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 752aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 75349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 75449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 75549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 75649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 75749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 75849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 75949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 76049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 761d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 76249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 763d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 764d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 76590045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 766aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 76790045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 76849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 76949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 77049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 77149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 7721237c673c07f9d827129ba02720108816abde562Ted Kremenek 7731237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7741237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7751237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 776a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek 777ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 778ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ImplicitCastExpr* CreateImpl(llvm::Deserializer& D); 77949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 78049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 78826dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 78949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 795311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner return SourceRange(Loc, getSubExpr()->getSourceRange().getEnd()); 7965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 7995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 8011237c673c07f9d827129ba02720108816abde562Ted Kremenek 8021237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8031237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8041237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8059971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek 806ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 807ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static CastExpr* CreateImpl(llvm::Deserializer& D); 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 8115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 81403d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 8245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 8305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 83317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 83417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 83517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Expr* SubExprs[END_EXPR]; 83617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 83717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 83817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 84017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 84117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 84217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 8431237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8441237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 84917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 8511237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8521237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 873eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 874eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 875eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 8781237c673c07f9d827129ba02720108816abde562Ted Kremenek 8791237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8801237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8811237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8822dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 883ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 884ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static BinaryOperator* CreateImpl(llvm::Deserializer& D); 8851237c673c07f9d827129ba02720108816abde562Ted Kremenek 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 88717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 88817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 88917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 8901237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8911237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 90517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 90617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 90717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 90817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 917eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 91983efb151a0c1df8cb8fb25d6dbb6c0f12f07f60aTed Kremenek 920ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 921ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static CompoundAssignOperator* CreateImpl(llvm::Deserializer& D); 9225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 9255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 9281237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 9291237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 9305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 9321237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 9331237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 9341237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9351237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9361237c673c07f9d827129ba02720108816abde562Ted Kremenek } 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 938395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 939395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 9401237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 941395a2abf0028968d85958610e393e067885dc14fTed Kremenek 942395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 943395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 944395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 945395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 946395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 947395a2abf0028968d85958610e393e067885dc14fTed Kremenek // is only evaluated once. 948395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 949395a2abf0028968d85958610e393e067885dc14fTed Kremenek return SubExprs[LHS] ? SubExprs[COND] : SubExprs[LHS]; 950395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 951395a2abf0028968d85958610e393e067885dc14fTed Kremenek 952395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 953395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 954395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getFalseExpr() const { return SubExprs[RHS]; } 955395a2abf0028968d85958610e393e067885dc14fTed Kremenek 9561237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 9571237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 9661237c673c07f9d827129ba02720108816abde562Ted Kremenek 9671237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9681237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9691237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 970aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 971ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 972ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ConditionalOperator* CreateImpl(llvm::Deserializer& D); 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9756481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 9766481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 9775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 9785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 9795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9806481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 9816481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 9826481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9916481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 9925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9936481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 9941237c673c07f9d827129ba02720108816abde562Ted Kremenek 9951237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9961237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9971237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 998aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 999ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1000ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static AddrLabelExpr* CreateImpl(llvm::Deserializer& D); 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1002ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1003ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 1004ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 1005ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 1006ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 1007ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 1008ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 1009ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 1010d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 1011d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 1012d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 1013ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1014ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 1015ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 1016ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1017ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 1018ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 1019ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1021ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 1022ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 1023ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 1024ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 10251237c673c07f9d827129ba02720108816abde562Ted Kremenek 10261237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10271237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10281237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1029aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1030ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1031ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static StmtExpr* CreateImpl(llvm::Deserializer& D); 1032ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 1033ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1034d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 1035d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 1036d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 1037d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 1038d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 1039d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 1040d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 1041363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1042d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 1043363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 1044d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 1045d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 1046363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 1047d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 10487f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 10497f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 1050ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1051d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 1052363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1053d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1054d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 1055d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 1056d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1057d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 10581237c673c07f9d827129ba02720108816abde562Ted Kremenek 10591237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10601237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10611237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1062d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 1063d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 1064d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 1065d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 1066d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 1067d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 1068d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 1069d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 1070d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 10711237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 10721237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 1073d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1074d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 1075d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 1076d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 1077d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 10781237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 10791237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 10801237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 10811237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 10821237c673c07f9d827129ba02720108816abde562Ted Kremenek } 1083c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 108427437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// isConditionTrue - Return true if the condition is true. This is always 108527437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// statically knowable for a well-formed choosexpr. 108627437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 108727437caadea35f84d550cd29f024fcf3ea240eecChris Lattner 10881237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 10891237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 10901237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 10911237c673c07f9d827129ba02720108816abde562Ted Kremenek 1092d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 1093d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1094d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1095d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 1096d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 1097d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1098d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 10991237c673c07f9d827129ba02720108816abde562Ted Kremenek 11001237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11011237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11021237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1103d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 1104d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 11057c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 11067c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 11077c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *Val; 11087c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 11097c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 11107c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 11117c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 11127c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 11137c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 11147c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 11157c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 11167c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson const Expr *getSubExpr() const { return Val; } 11177c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *getSubExpr() { return Val; } 11187c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 11197c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 11207c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 11217c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 11227c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 11237c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 11247c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 11257c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 11267c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 11277c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 11287c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 11297c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 11307c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 113166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson/// InitListExpr, used for struct and array initializers. 113266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 113366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr **InitExprs; 113466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned NumInits; 113566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 113666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 113766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 113866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 113966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson ~InitListExpr() { 114066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson delete [] InitExprs; 114166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 114266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 114366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson unsigned getNumInits() const { return NumInits; } 114466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 114566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 114666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 114766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 114866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 114966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 115066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 115166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson assert(Init < NumInits && "Initializer access out of range!"); 115266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 115366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 115466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 11559e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 11569e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff assert(Init < NumInits && "Initializer access out of range!"); 11579e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 11589e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 11599e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 116066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 116166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 116266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 116366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 116466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 116566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 116666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 116766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 116866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 116966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 117066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 11716336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 11726336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 11736336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek static InitListExpr* CreateImpl(llvm::Deserializer& D); 11746336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 11756336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenekprivate: 11766336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek // Used by serializer. 11776336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek InitListExpr() : Expr(InitListExprClass, QualType()), 11786336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek InitExprs(NULL), NumInits(0) {} 117966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 118066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 11815508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// ObjCStringLiteral, used for Objective-C string literals 11825508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// i.e. @"foo". 11835508518a2702b00be3b15a26d772bde968972f54Anders Carlssonclass ObjCStringLiteral : public Expr { 11845508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral *String; 1185beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff SourceLocation AtLoc; 11865508518a2702b00be3b15a26d772bde968972f54Anders Carlssonpublic: 1187beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff ObjCStringLiteral(StringLiteral *SL, QualType T, SourceLocation L) 1188beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff : Expr(ObjCStringLiteralClass, T), String(SL), AtLoc(L) {} 11895508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11905508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral* getString() { return String; } 11915508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11925508518a2702b00be3b15a26d772bde968972f54Anders Carlsson const StringLiteral* getString() const { return String; } 11935508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 11945ca4020c6e1e4f8d81cf4c2890ca8a7c0dd28d56Steve Naroff SourceLocation getAtLoc() const { return AtLoc; } 11955ca4020c6e1e4f8d81cf4c2890ca8a7c0dd28d56Steve Naroff 11965508518a2702b00be3b15a26d772bde968972f54Anders Carlsson virtual SourceRange getSourceRange() const { 1197beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff return SourceRange(AtLoc, String->getLocEnd()); 11985508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 11995508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 12005508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const Stmt *T) { 12015508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return T->getStmtClass() == ObjCStringLiteralClass; 12025508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 12035508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const ObjCStringLiteral *) { return true; } 12041237c673c07f9d827129ba02720108816abde562Ted Kremenek 12051237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 12061237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 12071237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 120846dc0a54ed6deb165117a6b0166d9bb7acb785f5Ted Kremenek 120946dc0a54ed6deb165117a6b0166d9bb7acb785f5Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 121046dc0a54ed6deb165117a6b0166d9bb7acb785f5Ted Kremenek static ObjCStringLiteral* CreateImpl(llvm::Deserializer& D); 12115508518a2702b00be3b15a26d772bde968972f54Anders Carlsson}; 12125508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 1213f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// ObjCEncodeExpr, used for @encode in Objective-C. 1214f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonclass ObjCEncodeExpr : public Expr { 1215f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType EncType; 1216674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation AtLoc, RParenLoc; 1217f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonpublic: 1218f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson ObjCEncodeExpr(QualType T, QualType ET, 1219674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation at, SourceLocation rp) 1220674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner : Expr(ObjCEncodeExprClass, T), EncType(ET), AtLoc(at), RParenLoc(rp) {} 1221f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1222674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation getAtLoc() const { return AtLoc; } 122305de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 122405de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner 1225674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 1226f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1227f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType getEncodedType() const { return EncType; } 1228f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1229f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const Stmt *T) { 1230f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson return T->getStmtClass() == ObjCEncodeExprClass; 1231f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson } 1232f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const ObjCEncodeExpr *) { return true; } 12331237c673c07f9d827129ba02720108816abde562Ted Kremenek 12341237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 12351237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 12361237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 12378f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek 12388f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 12398f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek static ObjCEncodeExpr* CreateImpl(llvm::Deserializer& D); 1240f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson}; 1241f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1242b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian/// ObjCSelectorExpr used for @selector in Objective-C. 1243b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianclass ObjCSelectorExpr : public Expr { 1244b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian Selector SelName; 12452a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation AtLoc, RParenLoc; 1246b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianpublic: 1247b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian ObjCSelectorExpr(QualType T, Selector selInfo, 12482a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation at, SourceLocation rp) 1249b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian : Expr(ObjCSelectorExprClass, T), SelName(selInfo), 12502a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1251b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1252b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian const Selector &getSelector() const { return SelName; } 1253b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian Selector &getSelector() { return SelName; } 1254b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 12552a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 12562a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 12572a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 12582a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian 1259b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian /// getNumArgs - Return the number of actual arguments to this call. 1260b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian unsigned getNumArgs() const { return SelName.getNumArgs(); } 1261b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1262b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian static bool classof(const Stmt *T) { 1263b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian return T->getStmtClass() == ObjCSelectorExprClass; 1264b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian } 1265390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCSelectorExpr *) { return true; } 1266b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1267b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian // Iterators 1268b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_begin(); 1269b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_end(); 12708f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek 12718f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 12728f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek static ObjCSelectorExpr* CreateImpl(llvm::Deserializer& D); 1273b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian}; 1274b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1275390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian/// ObjCProtocolExpr used for protocol in Objective-C. 12768f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenekclass ObjCProtocolExpr : public Expr { 12778f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek ObjcProtocolDecl *Protocol; 1278390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation AtLoc, RParenLoc; 12798f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenekpublic: 1280390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian ObjCProtocolExpr(QualType T, ObjcProtocolDecl *protocol, 1281390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation at, SourceLocation rp) 1282390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian : Expr(ObjCProtocolExprClass, T), Protocol(protocol), 1283390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1284390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1285390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian ObjcProtocolDecl *getProtocol() const { return Protocol; } 1286390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1287390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 1288390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 1289390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceRange getSourceRange() const { return SourceRange(AtLoc, RParenLoc); } 1290390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1291390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const Stmt *T) { 1292390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return T->getStmtClass() == ObjCProtocolExprClass; 1293390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian } 1294390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCProtocolExpr *) { return true; } 1295390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1296390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian // Iterators 1297390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_begin(); 1298390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_end(); 1299390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian}; 13007779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 13017779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff/// ObjCIvarRefExpr - A reference to an ObjC instance variable. 13027779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroffclass ObjCIvarRefExpr : public Expr { 13037779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff class ObjcIvarDecl *D; 13047779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff SourceLocation Loc; 1305232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian Expr *Base; 13067e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff bool IsArrow:1; // True if this is "X->F", false if this is "X.F". 13077e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff bool IsFreeIvar:1; // True if ivar reference has no base (self assumed). 1308232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian 13097779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroffpublic: 1310232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian ObjCIvarRefExpr(ObjcIvarDecl *d, QualType t, SourceLocation l, Expr *base=0, 13117e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff bool arrow = false, bool freeIvar = false) : 13127e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff Expr(ObjCIvarRefExprClass, t), D(d), Loc(l), Base(base), IsArrow(arrow), 13137e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff IsFreeIvar(freeIvar) {} 13147779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 13157779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff ObjcIvarDecl *getDecl() { return D; } 13167779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff const ObjcIvarDecl *getDecl() const { return D; } 13177779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1318232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian Expr *const getBase() const { return Base; } 1319232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian const bool isArrow() const { return IsArrow; } 13207e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff const bool isFreeIvar() const { return IsFreeIvar; } 13217e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff 13227e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff SourceLocation getLocation() const { return Loc; } 13237779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 13247779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff static bool classof(const Stmt *T) { 13257779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff return T->getStmtClass() == ObjCIvarRefExprClass; 13267779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff } 13277779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff static bool classof(const ObjCIvarRefExpr *) { return true; } 1328390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 13297779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff // Iterators 13307779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff virtual child_iterator child_begin(); 13317779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff virtual child_iterator child_end(); 13327779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 1333ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1334ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek static ObjCIvarRefExpr* CreateImpl(llvm::Deserializer& D); 13357779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff}; 13367779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 1337563477da25f824e37c535131695dc4dc9b68c465Steve Naroffclass ObjCMessageExpr : public Expr { 1338563477da25f824e37c535131695dc4dc9b68c465Steve Naroff enum { RECEIVER=0, ARGS_START=1 }; 133968d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1340563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr **SubExprs; 1341563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 134249f109c786f99eb7468dac3976db083a65493444Steve Naroff unsigned NumArgs; 134349f109c786f99eb7468dac3976db083a65493444Steve Naroff 1344563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // A unigue name for this message. 1345bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Selector SelName; 1346563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1347db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // A method prototype for this message (optional). 1348db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // FIXME: Since method decls contain the selector, and most messages have a 1349db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // prototype, consider devising a scheme for unifying SelName/MethodProto. 1350db611d556f71f98b66b69514d45958d76e5727abSteve Naroff ObjcMethodDecl *MethodProto; 1351db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 135268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff IdentifierInfo *ClassName; // optional - 0 for instance messages. 1353563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1354563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceLocation LBracloc, RBracloc; 1355563477da25f824e37c535131695dc4dc9b68c465Steve Naroffpublic: 135668d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for class messages. 1357563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // FIXME: clsName should be typed to ObjCInterfaceType 1358bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo, 1359db611d556f71f98b66b69514d45958d76e5727abSteve Naroff QualType retType, ObjcMethodDecl *methDecl, 1360db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 136149f109c786f99eb7468dac3976db083a65493444Steve Naroff Expr **ArgExprs, unsigned NumArgs); 136268d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for instance messages. 1363bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(Expr *receiver, Selector selInfo, 1364db611d556f71f98b66b69514d45958d76e5727abSteve Naroff QualType retType, ObjcMethodDecl *methDecl, 1365db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 136649f109c786f99eb7468dac3976db083a65493444Steve Naroff Expr **ArgExprs, unsigned NumArgs); 1367563477da25f824e37c535131695dc4dc9b68c465Steve Naroff ~ObjCMessageExpr() { 1368563477da25f824e37c535131695dc4dc9b68c465Steve Naroff delete [] SubExprs; 1369563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1370563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1371563477da25f824e37c535131695dc4dc9b68c465Steve Naroff const Expr *getReceiver() const { return SubExprs[RECEIVER]; } 1372563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr *getReceiver() { return SubExprs[RECEIVER]; } 1373563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 13746a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const Selector &getSelector() const { return SelName; } 13756a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff Selector &getSelector() { return SelName; } 1376db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 1377db611d556f71f98b66b69514d45958d76e5727abSteve Naroff const ObjcMethodDecl *getMethodDecl() const { return MethodProto; } 1378db611d556f71f98b66b69514d45958d76e5727abSteve Naroff ObjcMethodDecl *getMethodDecl() { return MethodProto; } 13796a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 13806a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff const IdentifierInfo *getClassName() const { return ClassName; } 13816a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff IdentifierInfo *getClassName() { return ClassName; } 13826a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 1383563477da25f824e37c535131695dc4dc9b68c465Steve Naroff /// getNumArgs - Return the number of actual arguments to this call. 138449f109c786f99eb7468dac3976db083a65493444Steve Naroff unsigned getNumArgs() const { return NumArgs; } 1385bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff 1386bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff/// getArg - Return the specified argument. 1387bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Expr *getArg(unsigned Arg) { 138849f109c786f99eb7468dac3976db083a65493444Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1389bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1390bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1391bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff const Expr *getArg(unsigned Arg) const { 139249f109c786f99eb7468dac3976db083a65493444Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1393bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1394bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1395934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1396934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 139749f109c786f99eb7468dac3976db083a65493444Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1398934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 1399934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 1400563477da25f824e37c535131695dc4dc9b68c465Steve Naroff SourceRange getSourceRange() const { return SourceRange(LBracloc, RBracloc); } 1401563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1402563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const Stmt *T) { 1403563477da25f824e37c535131695dc4dc9b68c465Steve Naroff return T->getStmtClass() == ObjCMessageExprClass; 1404563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1405563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const ObjCMessageExpr *) { return true; } 1406563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1407563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // Iterators 1408563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_begin(); 1409563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_end(); 1410563477da25f824e37c535131695dc4dc9b68c465Steve Naroff}; 1411563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 14135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1415