Expr.h revision 8a99764f9b778a54e7440b1ee06a1e48f25d76d8
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" 24c5ae899b4bbf65488445316c63168079177db0edSteve Naroff#include <vector> 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 268a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begemanclass llvm::Constant; 278a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 30bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff class Selector; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 32590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(StmtClass SC, QualType T) : Stmt(SC), TR(T) {} 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getType() const { return TR; } 44fa2eaabd304172dd8afc561f6156a65f8d0e442bSteve Naroff void setType(QualType t) { TR = t; } 4577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 6808ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 74fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 77ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isLvalueResult isLvalue() const; 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 88fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ArrayType 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 94ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isModifiableLvalueResult isModifiableLvalue() const; 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 96590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 102590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 103590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 105590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APSInt X(32); 107590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10938374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff /// isConstantExpr - Return true if this expression is a valid constant expr. 11038374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff bool isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const; 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1122e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek /// hasGlobalStorage - Return true if this expression has static storage 1134cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// duration. This means that the address of this expression is a link-time 1144cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// constant. 1152e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek bool hasGlobalStorage() const; 1164e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1174e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 1184e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// its subexpression. If that subexpression is also a ParenExpr, 1194e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 1204e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 1214e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek Expr* IgnoreParens(); 12256f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 12356f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 12456f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// or CastExprs or ImplicitCastExprs, returning their operand. 12556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 1264e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1274e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek const Expr* IgnoreParens() const { 1284e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 1294e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 13056f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 13156f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 13256f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 13356f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1392e7d352dbec06755105237afba183492d31d03cbTed Kremenek 140e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static inline Expr* Create(llvm::Deserializer& D, ASTContext& C) { 141e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop return cast<Expr>(Stmt::Create(D, C)); 1422e7d352dbec06755105237afba183492d31d03cbTed Kremenek } 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1528e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *D; 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1558e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1588e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *getDecl() { return D; } 1598e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff const ValueDecl *getDecl() const { return D; } 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 16777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 16877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 16977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 17077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1712dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 172ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 173e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DeclRefExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 176ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// PreDefinedExpr - [C99 6.4.2.2] - A pre-defined identifier such as __func__. 177227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonclass PreDefinedExpr : public Expr { 178227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 179227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 180227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 181227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 182227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PrettyFunction 183227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 184227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 185227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 186227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 187227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 188227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 189227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PreDefinedExpr(SourceLocation l, QualType type, IdentType IT) 190227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson : Expr(PreDefinedExprClass, type), Loc(l), Type(IT) {} 191227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 192227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 193227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 194227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 195227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 196227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 197227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson return T->getStmtClass() == PreDefinedExprClass; 198227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 19977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek static bool classof(const PreDefinedExpr *) { return true; } 20077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 20177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 20277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 20377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2041ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek 205ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 206e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static PreDefinedExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 207227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 208227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 22677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 22777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 22877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 22977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2302dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 231ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 232e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IntegerLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2432eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 2442eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 25377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 25477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 25577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 25677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2577338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek 258ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 259e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CharacterLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 263525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 264720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 267720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek FloatingLiteral(const llvm::APFloat &V, bool* isexact, 268720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 269720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek : Expr(FloatingLiteralClass, Type), Value(V), IsExact(*isexact), Loc(L) {} 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 271c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 272720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek 273720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 274c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 2753d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// getValueAsDouble - This returns the value as an inaccurate double. Note 2763d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// that this may cause loss of precision, but is useful for debugging dumps 2773d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner /// etc. 2783d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner double getValueAsDouble() const { 2793d2313ef5de46228b157b1f1f6e306812dae3942Chris Lattner // FIXME: We need something for long double here. 2801c9bdaef20398390818e9114269cd9925534b89cChris Lattner if (cast<BuiltinType>(getType())->getKind() == BuiltinType::Float) 2811c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToFloat(); 2821c9bdaef20398390818e9114269cd9925534b89cChris Lattner else 2831c9bdaef20398390818e9114269cd9925534b89cChris Lattner return Value.convertToDouble(); 2841c9bdaef20398390818e9114269cd9925534b89cChris Lattner } 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 29277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 29377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 29477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 29577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 296612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek 297ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 298e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static FloatingLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3015d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 3025d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 3035d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 3045d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 3055d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 3065d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 3075d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *Val; 3085d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 3095d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 3105d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 3115d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3125d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner const Expr *getSubExpr() const { return Val; } 3135d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *getSubExpr() { return Val; } 3145d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3155d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 3165d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 3175d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 3185d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 3195d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 3205d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3215d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 3225d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 3235d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 3241c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek 325ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 326e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImaginaryLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3275d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 3285d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 329e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 330e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 331e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 332a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 333a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// ConstantArrayType. 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 35877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 35977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 36077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 36177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3627febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek 363ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 364e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StringLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 378866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { return SourceRange(L, R); } 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 38477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 38577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 38677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 38777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3889eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 389ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 390e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ParenExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 397dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 398dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 399dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 400dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 401dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 402dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 403dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 40473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 40573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 40673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 40773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 41013d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 41973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 42073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 4415d826b82936beb2c32dd02460332ba8035192c65Ted Kremenek bool isIncrementOp() const {return Opc==PreInc || Opc==PostInc; } 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 4445a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson bool isOffsetOfOp() const { return Opc == OffsetOf; } 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 46377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4645a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson int64_t evaluateOffsetOf(ASTContext& C) const; 4655a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson 46677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 46777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 46877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4691049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek 470ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 471e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static UnaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 48876e773a443be9f006610f46529e07d4c8d857680Chris Lattner 48976e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 490866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 491866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 492866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 493866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 49977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 50077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 50177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 50277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 503ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek 504ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 505e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static SizeOfAlignOfTypeExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 51477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 51577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr* SubExprs[END_EXPR]; 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5182324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 51973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 52073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 52173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 52273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 52373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5252324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 5262324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 5272324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 5282324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 5292324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 53033fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 53133fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 53233fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 53333fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 53477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getLHS() { return SubExprs[LHS]; } 53577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getLHS() const { return SubExprs[LHS]; } 53677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 53777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getRHS() { return SubExprs[RHS]; } 53877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getRHS() const { return SubExprs[RHS]; } 5392324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 54077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 54133fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 54277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 54377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5442324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 54533fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 5462324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5472324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 54877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 54933fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 5502324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5512324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 55277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 55333fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 55477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 556866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 55777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 559866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 56677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 56777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 56877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 56977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 57096fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek 571ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 572e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ArraySubscriptExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 57977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 58077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr **SubExprs; 5815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 583d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 584d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek // This version of the ctor is for deserialization. 585d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek CallExpr(Expr** subexprs, unsigned numargs, QualType t, 586d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek SourceLocation rparenloc) 587d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek : Expr(CallExprClass,t), SubExprs(subexprs), 588d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek NumArgs(numargs), RParenLoc(rparenloc) {} 589d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 5905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 59477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 59777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getCallee() const { return SubExprs[FN]; } 59877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getCallee() { return SubExprs[FN]; } 59918b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 6075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 60877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 61277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 614934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 615934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 616934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 617934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 618934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 619d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 620d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 621d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 622d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 623d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner void setNumArgs(unsigned NumArgs); 624d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 625d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner typedef Expr **arg_iterator; 626d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner typedef Expr * const *arg_const_iterator; 627d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 628d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 629d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_const_iterator arg_begin() const { return SubExprs+ARGS_START; } 630d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_const_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs(); } 631d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 632d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 63713b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBuiltinClassifyType(llvm::APSInt &Result) const; 638c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff 639c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff /// isBuiltinConstantExpr - Return true if this built-in call is constant. 640c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff bool isBuiltinConstantExpr() const; 64113b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff 642d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 643866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 644866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 64577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 65277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 65377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 65477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 65577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 656d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 657ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 658e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CallExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 669510190777c4bd53e960eea4665b204778fec1b64Eli Friedman MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l, 670510190777c4bd53e960eea4665b204778fec1b64Eli Friedman QualType ty) 671510190777c4bd53e960eea4665b204778fec1b64Eli Friedman : Expr(MemberExprClass, ty), 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 673510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 681866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 6881237c673c07f9d827129ba02720108816abde562Ted Kremenek 6891237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6901237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6911237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 692bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek 693bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 694e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static MemberExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 697213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorElementExpr - This represents access to specific elements of a 698cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 699213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 70031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 701213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorElementExpr : public Expr { 702fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 703fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 704fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 70531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 706213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 7076481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner SourceLocation loc) 708213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman : Expr(ExtVectorElementExprClass, ty), 7096481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 71031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 711cb92a118145c2a425666068d37c4049c38e24914Chris Lattner const Expr *getBase() const { return Base; } 712cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Expr *getBase() { return Base; } 713cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 714cb92a118145c2a425666068d37c4049c38e24914Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 715cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 7166481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getNumElements - Get the number of components being selected. 7176481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner unsigned getNumElements() const; 7184d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 7196481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// containsDuplicateElements - Return true if any element access is 720cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// repeated. 7216481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner bool containsDuplicateElements() const; 722fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 7238a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman /// getEncodedElementAccess - Encode the elements accessed into an llvm 7248a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman /// aggregate Constant of ConstantInt(s). 7258a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman llvm::Constant *getEncodedElementAccess() const; 726b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 727b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// getAccessedFieldNo - Given an encoded value and a result number, return 728b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner /// the input field number being accessed. 7298a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman static unsigned getAccessedFieldNo(unsigned Idx, 7308a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman const llvm::Constant *Elts); 731b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 73231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 73331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 73431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 735866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 73631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 737213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman return T->getStmtClass() == ExtVectorElementExprClass; 73831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 739213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorElementExpr *) { return true; } 7401237c673c07f9d827129ba02720108816abde562Ted Kremenek 7411237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7421237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7431237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 74431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 74531a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 746aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 747aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 748aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 7490fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 7500fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 7510fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 7520fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 753aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 754e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 755aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 756e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff CompoundLiteralExpr(SourceLocation lparenloc, QualType ty, Expr *init, bool fileScope) : 757e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff Expr(CompoundLiteralExprClass, ty), LParenLoc(lparenloc), Init(init), FileScope(fileScope) {} 758aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 75906184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner const Expr *getInitializer() const { return Init; } 76006184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner Expr *getInitializer() { return Init; } 761e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 762e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 763aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 7640fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 7650fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner 76673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 7670fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 7680fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 7690fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 7700fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 77173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 7720fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 77373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 774aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 775aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 776aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 777aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 778aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 7791237c673c07f9d827129ba02720108816abde562Ted Kremenek 7801237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7811237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7821237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7834b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek 7844b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 785e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundLiteralExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 786aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 787aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 78849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 78949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 79049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 79149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 79249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 79349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 79449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 79549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 796d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 79749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 798d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 799d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 80090045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 801aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 80290045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 80349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 80449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 80549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 80649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 8071237c673c07f9d827129ba02720108816abde562Ted Kremenek 8081237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8091237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8101237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 811a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek 812ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 813e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImplicitCastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 81449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 81549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 82326dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 82449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 8255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 8265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 8285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 830311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner return SourceRange(Loc, getSubExpr()->getSourceRange().getEnd()); 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 8361237c673c07f9d827129ba02720108816abde562Ted Kremenek 8371237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8381237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8391237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8409971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek 841ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 842e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 84903d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 8575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 86817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 86917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 87017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Expr* SubExprs[END_EXPR]; 87117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 87217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 87317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 87517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 87617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 87717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 8781237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8791237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 88417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 8861237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8871237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 908eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 909eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 910eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 9131237c673c07f9d827129ba02720108816abde562Ted Kremenek 9141237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9151237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9161237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 9172dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 918ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 919e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static BinaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 9201237c673c07f9d827129ba02720108816abde562Ted Kremenek 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 92217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 92317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 92417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 9251237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9261237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 9315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 9325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 9335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 94017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 94117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 94217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 94317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 9445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 9515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 952eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 9535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 95483efb151a0c1df8cb8fb25d6dbb6c0f12f07f60aTed Kremenek 955ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 956e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundAssignOperator* CreateImpl(llvm::Deserializer& D, 957e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop ASTContext& C); 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 9641237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 9651237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 9681237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 9691237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 9701237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9711237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9721237c673c07f9d827129ba02720108816abde562Ted Kremenek } 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 974395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 975395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 9761237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 977395a2abf0028968d85958610e393e067885dc14fTed Kremenek 978395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 979395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 980395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 981395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 982395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 983395a2abf0028968d85958610e393e067885dc14fTed Kremenek // is only evaluated once. 984395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 985395a2abf0028968d85958610e393e067885dc14fTed Kremenek return SubExprs[LHS] ? SubExprs[COND] : SubExprs[LHS]; 986395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 987395a2abf0028968d85958610e393e067885dc14fTed Kremenek 988395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 989395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 990395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getFalseExpr() const { return SubExprs[RHS]; } 991395a2abf0028968d85958610e393e067885dc14fTed Kremenek 9921237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 9931237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 9945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 9975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 10021237c673c07f9d827129ba02720108816abde562Ted Kremenek 10031237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10041237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10051237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1006aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1007ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1008e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ConditionalOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10116481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 10126481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10166481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 10176481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 10186481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 10276481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10296481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 10301237c673c07f9d827129ba02720108816abde562Ted Kremenek 10311237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10321237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10331237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1034aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1035ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1036e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static AddrLabelExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1038ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1039ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 1040ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 1041ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 1042ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 1043ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 1044ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 1045ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 1046d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 1047d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 1048d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 1049ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1050ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 1051ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 1052ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1053ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 1054ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 1055ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 10565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1057ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 1058ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 1059ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 1060ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 10611237c673c07f9d827129ba02720108816abde562Ted Kremenek 10621237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10631237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10641237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1065aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1066ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1067e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StmtExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1068ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 1069ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1070d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 1071d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 1072d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 1073d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 1074d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 1075d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 1076d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 1077363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1078d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 1079363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 1080d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 1081d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 1082363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 1083d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 10847f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 10857f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 1086ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1087d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 1088363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1089d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1090d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 1091d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 1092d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1093d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 10941237c673c07f9d827129ba02720108816abde562Ted Kremenek 10951237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10961237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10971237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1098d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 1099d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 1100d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 1101d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 1102d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 1103d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 1104d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 1105d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 1106d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 11071237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 11081237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 1109d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1110d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 1111d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 1112d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 1113d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 11141237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 11151237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 11161237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 11171237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 11181237c673c07f9d827129ba02720108816abde562Ted Kremenek } 1119c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 112027437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// isConditionTrue - Return true if the condition is true. This is always 112127437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// statically knowable for a well-formed choosexpr. 112227437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 112327437caadea35f84d550cd29f024fcf3ea240eecChris Lattner 11241237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 11251237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 11261237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 11271237c673c07f9d827129ba02720108816abde562Ted Kremenek 1128d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 1129d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1130d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1131d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 1132d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 1133d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1134d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 11351237c673c07f9d827129ba02720108816abde562Ted Kremenek 11361237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11371237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11381237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1139d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 1140d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 11416a1bc1b95ee31c6892d46a6993b9e2d2d66831eeNate Begeman/// OverloadExpr - Clang builtin function __builtin_overload. 114267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// This AST node provides a way to overload functions in C. 114367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 114467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The first argument is required to be a constant expression, for the number 114567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// of arguments passed to each candidate function. 114667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 114767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The next N arguments, where N is the value of the constant expression, 114867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the values to be passed as arguments. 114967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 115067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The rest of the arguments are values of pointer to function type, which 115167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the candidate functions for overloading. 115267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 115367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The result is a equivalent to a CallExpr taking N arguments to the 115467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// candidate function whose parameter types match the types of the N arguments. 115567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 115667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// example: float Z = __builtin_overload(2, X, Y, modf, mod, modl); 115767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are long doubles, Z will assigned the result of modl(X, Y); 115867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are floats, Z will be assigned the result of modf(X, Y); 1159e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanclass OverloadExpr : public Expr { 116067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExprs - the list of values passed to the __builtin_overload function. 116167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[0] is a constant expression 116267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[1-N] are the parameters to pass to the matching function call 116367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[N-...] are the candidate functions, of type pointer to function. 1164e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman Expr **SubExprs; 116567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 116667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // NumExprs - the size of the SubExprs array 116767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned NumExprs; 116867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 116967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // The index of the matching candidate function 1170e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman unsigned FnIndex; 117167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1172e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation BuiltinLoc; 1173e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation RParenLoc; 1174e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanpublic: 1175796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman OverloadExpr(Expr **args, unsigned nexprs, unsigned idx, QualType t, 1176e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation bloc, SourceLocation rploc) 1177796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman : Expr(OverloadExprClass, t), NumExprs(nexprs), FnIndex(idx), 117867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman BuiltinLoc(bloc), RParenLoc(rploc) { 1179796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman SubExprs = new Expr*[nexprs]; 1180796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman for (unsigned i = 0; i != nexprs; ++i) 1181e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SubExprs[i] = args[i]; 1182e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1183e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman ~OverloadExpr() { 1184e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman delete [] SubExprs; 1185e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1186e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 118767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// arg_begin - Return a pointer to the list of arguments that will be passed 118867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// to the matching candidate function, skipping over the initial constant 118967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// expression. 1190e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman typedef Expr * const *arg_const_iterator; 1191e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman arg_const_iterator arg_begin() const { return SubExprs+1; } 1192e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 119367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// getNumArgs - Return the number of arguments to pass to the candidate 119467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// functions. 119567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumArgs(ASTContext &Ctx) const { 119667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman llvm::APSInt constEval(32); 119767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman (void) SubExprs[0]->isIntegerConstantExpr(constEval, Ctx); 119867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman return constEval.getZExtValue(); 119967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman } 120067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1201796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1202796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// constant expression, the actual arguments passed in, and the function 1203796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// pointers. 120467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumSubExprs() const { return NumExprs; } 1205e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1206796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getExpr - Return the Expr at the specified index. 1207796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman Expr *getExpr(unsigned Index) { 1208796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman assert((Index < NumExprs) && "Arg access out of range!"); 1209796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman return SubExprs[Index]; 1210e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 121167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1212796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getFn - Return the matching candidate function for this OverloadExpr. 121367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman Expr *getFn() const { return SubExprs[FnIndex]; } 1214e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1215e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual SourceRange getSourceRange() const { 1216e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return SourceRange(BuiltinLoc, RParenLoc); 1217e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1218e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const Stmt *T) { 1219e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return T->getStmtClass() == OverloadExprClass; 1220e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1221e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const OverloadExpr *) { return true; } 1222e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1223e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman // Iterators 1224e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_begin(); 1225e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_end(); 1226e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman}; 1227e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 12287c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 12297c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 12307c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *Val; 12317c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 12327c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 12337c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 12347c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 12357c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 12367c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 12377c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 12387c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 12397c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson const Expr *getSubExpr() const { return Val; } 12407c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *getSubExpr() { return Val; } 12417c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 12427c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 12437c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 12447c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 12457c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 12467c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 12477c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 12487c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 12497c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 12507c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 12517c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 12527c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 12537c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 1254196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// InitListExpr - used for struct and array initializers, such as: 1255196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// struct foo x = { 1, { 2, 3 } }; 1256196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1257196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// Because C is somewhat loose with braces, the AST does not necessarily 1258196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// directly model the C source. Instead, the semantic analyzer aims to make 1259196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// the InitListExprs match up with the type of the decl being initialized. We 1260196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// have the following exceptions: 1261196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1262196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1. Elements at the end of the list may be dropped from the initializer. 1263196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// These elements are defined to be initialized to zero. For example: 1264196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[20] = { 1 }; 1265196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 2. Initializers may have excess initializers which are to be ignored by the 1266196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// compiler. For example: 1267196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[1] = { 1, 2 }; 12683fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// 3. Redundant InitListExprs may be present around scalar elements. These 12693fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// always have a single element whose type is the same as the InitListExpr. 12703fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// this can only happen for Type::isScalarType() types. 1271196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x = { 1 }; int y[2] = { {1}, {2} }; 1272196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 127366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 1274c5ae899b4bbf65488445316c63168079177db0edSteve Naroff std::vector<Expr *> InitExprs; 127566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 127666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 127766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 127866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 127966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 1280c5ae899b4bbf65488445316c63168079177db0edSteve Naroff unsigned getNumInits() const { return InitExprs.size(); } 128166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 128266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 1283c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 128466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 128566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 128666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 128766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 1288c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 128966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 129066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 129166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 12929e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 1293c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 12949e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 12959e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 1296c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1297c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Dynamic removal/addition (for constructing implicit InitExpr's). 1298c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void removeInit(unsigned Init) { 1299c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.erase(InitExprs.begin()+Init); 1300c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1301c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void addInit(unsigned Init, Expr *expr) { 1302c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.insert(InitExprs.begin()+Init, expr); 1303c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1304c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1305c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 1306c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 1307c5ae899b4bbf65488445316c63168079177db0edSteve Naroff bool isExplicit() { 1308c5ae899b4bbf65488445316c63168079177db0edSteve Naroff return LBraceLoc.isValid() && RBraceLoc.isValid(); 1309c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 13109e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 131166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 131266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 131366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 131466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 131566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 131666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 131766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 131866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 131966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 132066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 132166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 13226336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 13236336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1324e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static InitListExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 13256336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 13266336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenekprivate: 13276336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek // Used by serializer. 132828a309e387a0a69b0c055c1565aa147fc695f906Chris Lattner InitListExpr() : Expr(InitListExprClass, QualType()) {} 132966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 133066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 13315508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// ObjCStringLiteral, used for Objective-C string literals 13325508518a2702b00be3b15a26d772bde968972f54Anders Carlsson/// i.e. @"foo". 13335508518a2702b00be3b15a26d772bde968972f54Anders Carlssonclass ObjCStringLiteral : public Expr { 13345508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral *String; 1335beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff SourceLocation AtLoc; 13365508518a2702b00be3b15a26d772bde968972f54Anders Carlssonpublic: 1337beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff ObjCStringLiteral(StringLiteral *SL, QualType T, SourceLocation L) 1338beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff : Expr(ObjCStringLiteralClass, T), String(SL), AtLoc(L) {} 13395508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13405508518a2702b00be3b15a26d772bde968972f54Anders Carlsson StringLiteral* getString() { return String; } 13415508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13425508518a2702b00be3b15a26d772bde968972f54Anders Carlsson const StringLiteral* getString() const { return String; } 13435508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13445ca4020c6e1e4f8d81cf4c2890ca8a7c0dd28d56Steve Naroff SourceLocation getAtLoc() const { return AtLoc; } 13455ca4020c6e1e4f8d81cf4c2890ca8a7c0dd28d56Steve Naroff 13465508518a2702b00be3b15a26d772bde968972f54Anders Carlsson virtual SourceRange getSourceRange() const { 1347beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff return SourceRange(AtLoc, String->getLocEnd()); 13485508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 13495508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 13505508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const Stmt *T) { 13515508518a2702b00be3b15a26d772bde968972f54Anders Carlsson return T->getStmtClass() == ObjCStringLiteralClass; 13525508518a2702b00be3b15a26d772bde968972f54Anders Carlsson } 13535508518a2702b00be3b15a26d772bde968972f54Anders Carlsson static bool classof(const ObjCStringLiteral *) { return true; } 13541237c673c07f9d827129ba02720108816abde562Ted Kremenek 13551237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 13561237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 13571237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 135846dc0a54ed6deb165117a6b0166d9bb7acb785f5Ted Kremenek 135946dc0a54ed6deb165117a6b0166d9bb7acb785f5Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1360e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCStringLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 13615508518a2702b00be3b15a26d772bde968972f54Anders Carlsson}; 13625508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 1363f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson/// ObjCEncodeExpr, used for @encode in Objective-C. 1364f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonclass ObjCEncodeExpr : public Expr { 1365f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType EncType; 1366674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation AtLoc, RParenLoc; 1367f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlssonpublic: 1368f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson ObjCEncodeExpr(QualType T, QualType ET, 1369674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation at, SourceLocation rp) 1370674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner : Expr(ObjCEncodeExprClass, T), EncType(ET), AtLoc(at), RParenLoc(rp) {} 1371f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1372674af9541256dc3ef803e3723027a8b028f1f7a2Chris Lattner SourceLocation getAtLoc() const { return AtLoc; } 137305de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 137405de8bc173c217f349f09b143bf5c6f6e82b87aeChris Lattner 1375866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 1376866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(AtLoc, RParenLoc); 1377866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 1378f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1379f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson QualType getEncodedType() const { return EncType; } 1380f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1381f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const Stmt *T) { 1382f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson return T->getStmtClass() == ObjCEncodeExprClass; 1383f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson } 1384f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson static bool classof(const ObjCEncodeExpr *) { return true; } 13851237c673c07f9d827129ba02720108816abde562Ted Kremenek 13861237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 13871237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 13881237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 13898f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek 13908f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1391e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCEncodeExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1392f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson}; 1393f9bcf01f82dfd2688f81e57bcc6300c9b13c51a6Anders Carlsson 1394b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian/// ObjCSelectorExpr used for @selector in Objective-C. 1395b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianclass ObjCSelectorExpr : public Expr { 1396b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian Selector SelName; 13972a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation AtLoc, RParenLoc; 1398b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanianpublic: 1399b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian ObjCSelectorExpr(QualType T, Selector selInfo, 14002a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation at, SourceLocation rp) 1401b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian : Expr(ObjCSelectorExprClass, T), SelName(selInfo), 14022a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1403b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 140497b7f26a92d87e514530a5b652460190ce48c974Ted Kremenek Selector getSelector() const { return SelName; } 1405b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 14062a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 14072a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 1408866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 1409866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 1410866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(AtLoc, RParenLoc); 1411866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 14122a35fa9b5e0f9d9429c04adb2e1249b6fd425e7aFariborz Jahanian 1413b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian /// getNumArgs - Return the number of actual arguments to this call. 1414b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian unsigned getNumArgs() const { return SelName.getNumArgs(); } 1415b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1416b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian static bool classof(const Stmt *T) { 1417b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian return T->getStmtClass() == ObjCSelectorExprClass; 1418b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian } 1419390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCSelectorExpr *) { return true; } 1420b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1421b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian // Iterators 1422b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_begin(); 1423b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian virtual child_iterator child_end(); 14248f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek 14258f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1426e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCSelectorExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1427b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian}; 1428b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 1429390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian/// ObjCProtocolExpr used for protocol in Objective-C. 14308f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenekclass ObjCProtocolExpr : public Expr { 1431a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl *Protocol; 1432390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation AtLoc, RParenLoc; 14338f6dc77d1fa6c9fd71d26c96bfa007775d8e3905Ted Kremenekpublic: 1434a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolExpr(QualType T, ObjCProtocolDecl *protocol, 1435390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation at, SourceLocation rp) 1436390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian : Expr(ObjCProtocolExprClass, T), Protocol(protocol), 1437390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian AtLoc(at), RParenLoc(rp) {} 1438390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1439a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl *getProtocol() const { return Protocol; } 1440390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1441390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getAtLoc() const { return AtLoc; } 1442390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian SourceLocation getRParenLoc() const { return RParenLoc; } 1443866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 1444866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 1445866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(AtLoc, RParenLoc); 1446866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 1447390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1448390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const Stmt *T) { 1449390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian return T->getStmtClass() == ObjCProtocolExprClass; 1450390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian } 1451390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian static bool classof(const ObjCProtocolExpr *) { return true; } 1452390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 1453390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian // Iterators 1454390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_begin(); 1455390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian virtual child_iterator child_end(); 1456390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian}; 14577779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 14587779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff/// ObjCIvarRefExpr - A reference to an ObjC instance variable. 14597779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroffclass ObjCIvarRefExpr : public Expr { 1460a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCIvarDecl *D; 14617779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff SourceLocation Loc; 1462232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian Expr *Base; 14637e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff bool IsArrow:1; // True if this is "X->F", false if this is "X.F". 14647e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff bool IsFreeIvar:1; // True if ivar reference has no base (self assumed). 1465232220c6982e3a70d8f7fc06a011ead490a2f516Fariborz Jahanian 14667779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroffpublic: 1467a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarRefExpr(ObjCIvarDecl *d, QualType t, SourceLocation l, Expr *base=0, 14687e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff bool arrow = false, bool freeIvar = false) : 14697e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff Expr(ObjCIvarRefExprClass, t), D(d), Loc(l), Base(base), IsArrow(arrow), 14707e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff IsFreeIvar(freeIvar) {} 14717779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 1472a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarDecl *getDecl() { return D; } 1473a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCIvarDecl *getDecl() const { return D; } 14747779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1475e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const Expr *getBase() const { return Base; } 1476e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner Expr *getBase() { return Base; } 14777da8d94cb79f311c5b126483b8edfe5dc70d6c8fFariborz Jahanian void setBase(Expr * base) { Base = base; } 1478e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner bool isArrow() const { return IsArrow; } 1479e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner bool isFreeIvar() const { return IsFreeIvar; } 14807e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff 14817e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff SourceLocation getLocation() const { return Loc; } 14827779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 14837779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff static bool classof(const Stmt *T) { 14847779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff return T->getStmtClass() == ObjCIvarRefExprClass; 14857779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff } 14867779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff static bool classof(const ObjCIvarRefExpr *) { return true; } 1487390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 14887779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff // Iterators 14897779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff virtual child_iterator child_begin(); 14907779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff virtual child_iterator child_end(); 14917779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 1492ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1493e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ObjCIvarRefExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 14947779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff}; 14957779db42c94405ecbd6ee45efb293483fa6cbeffSteve Naroff 1496563477da25f824e37c535131695dc4dc9b68c465Steve Naroffclass ObjCMessageExpr : public Expr { 1497563477da25f824e37c535131695dc4dc9b68c465Steve Naroff enum { RECEIVER=0, ARGS_START=1 }; 149868d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff 1499563477da25f824e37c535131695dc4dc9b68c465Steve Naroff Expr **SubExprs; 1500563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 150149f109c786f99eb7468dac3976db083a65493444Steve Naroff unsigned NumArgs; 150249f109c786f99eb7468dac3976db083a65493444Steve Naroff 1503563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // A unigue name for this message. 1504bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Selector SelName; 1505563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1506db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // A method prototype for this message (optional). 1507db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // FIXME: Since method decls contain the selector, and most messages have a 1508db611d556f71f98b66b69514d45958d76e5727abSteve Naroff // prototype, consider devising a scheme for unifying SelName/MethodProto. 1509a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *MethodProto; 1510ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek 1511ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek SourceLocation LBracloc, RBracloc; 1512db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 1513ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek // constructor used during deserialization 1514ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek ObjCMessageExpr(Selector selInfo, QualType retType, 1515ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek SourceLocation LBrac, SourceLocation RBrac, 1516ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek Expr **ArgExprs, unsigned nargs) 1517ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek : Expr(ObjCMessageExprClass, retType), NumArgs(nargs), SelName(selInfo), 1518ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek MethodProto(NULL), LBracloc(LBrac), RBracloc(RBrac) {} 1519563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1520563477da25f824e37c535131695dc4dc9b68c465Steve Naroffpublic: 152168d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for class messages. 1522563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // FIXME: clsName should be typed to ObjCInterfaceType 1523bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo, 1524a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType retType, ObjCMethodDecl *methDecl, 1525db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 152649f109c786f99eb7468dac3976db083a65493444Steve Naroff Expr **ArgExprs, unsigned NumArgs); 152768d331a78e655d97294e94fcfa63f92cc1f40578Steve Naroff // constructor for instance messages. 1528bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff ObjCMessageExpr(Expr *receiver, Selector selInfo, 1529a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType retType, ObjCMethodDecl *methDecl, 1530db611d556f71f98b66b69514d45958d76e5727abSteve Naroff SourceLocation LBrac, SourceLocation RBrac, 153149f109c786f99eb7468dac3976db083a65493444Steve Naroff Expr **ArgExprs, unsigned NumArgs); 1532ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek 1533563477da25f824e37c535131695dc4dc9b68c465Steve Naroff ~ObjCMessageExpr() { 1534563477da25f824e37c535131695dc4dc9b68c465Steve Naroff delete [] SubExprs; 1535563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1536563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 153766783caa67fd947787a0656fa642ddb4e770f074Ted Kremenek /// getReceiver - Returns the receiver of the message expression. 153866783caa67fd947787a0656fa642ddb4e770f074Ted Kremenek /// This can be NULL if the message is for instance methods. For 153966783caa67fd947787a0656fa642ddb4e770f074Ted Kremenek /// instance methods, use getClassName. 1540ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek Expr *getReceiver() { 1541ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek uintptr_t x = (uintptr_t) SubExprs[RECEIVER]; 1542ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek return x & 0x1 ? NULL : (Expr*) x; 1543ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek } 1544ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek const Expr *getReceiver() const { 1545ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek return const_cast<ObjCMessageExpr*>(this)->getReceiver(); 1546ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek } 1547563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1548c74840329eeee429d9527cf2f3694a74accd1603Ted Kremenek Selector getSelector() const { return SelName; } 1549db611d556f71f98b66b69514d45958d76e5727abSteve Naroff 1550a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCMethodDecl *getMethodDecl() const { return MethodProto; } 1551a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *getMethodDecl() { return MethodProto; } 15526a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 155366783caa67fd947787a0656fa642ddb4e770f074Ted Kremenek /// getClassName - For instance methods, this returns the invoked class, 155466783caa67fd947787a0656fa642ddb4e770f074Ted Kremenek /// and returns NULL otherwise. For regular methods, use getReceiver. 1555ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek IdentifierInfo *getClassName() { 1556ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek uintptr_t x = (uintptr_t) SubExprs[RECEIVER]; 1557ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek return x & 0x1 ? (IdentifierInfo*) (x & ~0x1) : NULL; 1558ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek } 1559ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek const IdentifierInfo *getClassName() const { 1560ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek return const_cast<ObjCMessageExpr*>(this)->getClassName(); 1561ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek } 15626a8a9a41e9067b708498c02180159bafecfa044fSteve Naroff 1563563477da25f824e37c535131695dc4dc9b68c465Steve Naroff /// getNumArgs - Return the number of actual arguments to this call. 156449f109c786f99eb7468dac3976db083a65493444Steve Naroff unsigned getNumArgs() const { return NumArgs; } 1565bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff 156666783caa67fd947787a0656fa642ddb4e770f074Ted Kremenek /// getArg - Return the specified argument. 1567bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff Expr *getArg(unsigned Arg) { 156849f109c786f99eb7468dac3976db083a65493444Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1569bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1570bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1571bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff const Expr *getArg(unsigned Arg) const { 157249f109c786f99eb7468dac3976db083a65493444Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1573bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff return SubExprs[Arg+ARGS_START]; 1574bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff } 1575934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 1576934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 157749f109c786f99eb7468dac3976db083a65493444Steve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 1578934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 1579934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 1580866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 1581866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 1582866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(LBracloc, RBracloc); 1583866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 1584563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1585563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const Stmt *T) { 1586563477da25f824e37c535131695dc4dc9b68c465Steve Naroff return T->getStmtClass() == ObjCMessageExprClass; 1587563477da25f824e37c535131695dc4dc9b68c465Steve Naroff } 1588563477da25f824e37c535131695dc4dc9b68c465Steve Naroff static bool classof(const ObjCMessageExpr *) { return true; } 1589563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 1590563477da25f824e37c535131695dc4dc9b68c465Steve Naroff // Iterators 1591563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_begin(); 1592563477da25f824e37c535131695dc4dc9b68c465Steve Naroff virtual child_iterator child_end(); 15933fb94d87b937a89400d1195479702b6f6bb9a59eTed Kremenek 15943fb94d87b937a89400d1195479702b6f6bb9a59eTed Kremenek typedef Expr** arg_iterator; 15953fb94d87b937a89400d1195479702b6f6bb9a59eTed Kremenek typedef const Expr* const* const_arg_iterator; 15963fb94d87b937a89400d1195479702b6f6bb9a59eTed Kremenek 15973fb94d87b937a89400d1195479702b6f6bb9a59eTed Kremenek arg_iterator arg_begin() { return &SubExprs[ARGS_START]; } 15983fb94d87b937a89400d1195479702b6f6bb9a59eTed Kremenek arg_iterator arg_end() { return arg_begin() + NumArgs; } 15993fb94d87b937a89400d1195479702b6f6bb9a59eTed Kremenek const_arg_iterator arg_begin() const { return &SubExprs[ARGS_START]; } 1600ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek const_arg_iterator arg_end() const { return arg_begin() + NumArgs; } 1601ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek 1602ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek // Serialization. 1603ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1604ea958e57a370b641c5a69347b75e9f8e3b5a41a2Ted Kremenek static ObjCMessageExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1605563477da25f824e37c535131695dc4dc9b68c465Steve Naroff}; 1606563477da25f824e37c535131695dc4dc9b68c465Steve Naroff 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 16085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1610