Expr.h revision da8249e57f3badecf925571881fe57243935c6c1
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" 243b8d116703db8018f855cbb4733ace426422623bNate Begeman#include "llvm/ADT/SmallVector.h" 25c5ae899b4bbf65488445316c63168079177db0edSteve Naroff#include <vector> 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IdentifierInfo; 29bcfb06ac6da1aa3c74ac1ef7a49c2807522366e7Steve Naroff class Selector; 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 31590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(StmtClass SC, QualType T) : Stmt(SC), TR(T) {} 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getType() const { return TR; } 43fa2eaabd304172dd8afc561f6156a65f8d0e442bSteve Naroff void setType(QualType t) { TR = t; } 4477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 6708ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 73fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 76ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isLvalueResult isLvalue() const; 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 87fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ArrayType 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 93ca51c97fbb10b9d48e1857e01c532493f87cd5f0Bill Wendling isModifiableLvalueResult isModifiableLvalue() const; 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 95590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 1005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 101590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 102590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 104590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APSInt X(32); 106590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10838374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff /// isConstantExpr - Return true if this expression is a valid constant expr. 10938374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff bool isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const; 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1112e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek /// hasGlobalStorage - Return true if this expression has static storage 1124cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// duration. This means that the address of this expression is a link-time 1134cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// constant. 1142e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek bool hasGlobalStorage() const; 1154e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1164e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 1174e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// its subexpression. If that subexpression is also a ParenExpr, 1184e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 1194e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 1204e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek Expr* IgnoreParens(); 12156f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 12256f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 12356f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// or CastExprs or ImplicitCastExprs, returning their operand. 12456f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 1254e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1264e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek const Expr* IgnoreParens() const { 1274e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 1284e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 12956f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 13056f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 13156f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 13256f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1382e7d352dbec06755105237afba183492d31d03cbTed Kremenek 139e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static inline Expr* Create(llvm::Deserializer& D, ASTContext& C) { 140e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop return cast<Expr>(Stmt::Create(D, C)); 1412e7d352dbec06755105237afba183492d31d03cbTed Kremenek } 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1518e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *D; 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1548e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1578e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *getDecl() { return D; } 1588e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff const ValueDecl *getDecl() const { return D; } 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == DeclRefExprClass; 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 16677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 16777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 16877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 16977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 1702dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 171ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 172e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DeclRefExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 175ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// PreDefinedExpr - [C99 6.4.2.2] - A pre-defined identifier such as __func__. 176227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonclass PreDefinedExpr : public Expr { 177227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 178227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 179227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 180227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 181227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PrettyFunction 182227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 183227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 184227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 185227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 186227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 187227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 188227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson PreDefinedExpr(SourceLocation l, QualType type, IdentType IT) 189227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson : Expr(PreDefinedExprClass, type), Loc(l), Type(IT) {} 190227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 191227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 192227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 193227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 194227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 195227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 196227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson return T->getStmtClass() == PreDefinedExprClass; 197227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 19877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek static bool classof(const PreDefinedExpr *) { return true; } 19977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 20077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 20177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 20277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2031ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek 204ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 205e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static PreDefinedExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 206227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 207227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 2235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 22577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 22677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 22777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 22877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2292dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 230ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 231e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IntegerLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CharacterLiteral(unsigned value, QualType type, SourceLocation l) 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(CharacterLiteralClass, type), Value(value), Loc(l) { 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2422eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 2432eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 25277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 25377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 25477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 25577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2567338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek 257ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 258e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CharacterLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 262525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 263720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 266720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek FloatingLiteral(const llvm::APFloat &V, bool* isexact, 267720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 268720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek : Expr(FloatingLiteralClass, Type), Value(V), IsExact(*isexact), Loc(L) {} 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 270c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 271720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek 272720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 273c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 274da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// getValueAsApproximateDouble - This returns the value as an inaccurate 275da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// double. Note that this may cause loss of precision, but is useful for 276da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// debugging dumps, etc. 277da8249e57f3badecf925571881fe57243935c6c1Chris Lattner double getValueAsApproximateDouble() const; 278da8249e57f3badecf925571881fe57243935c6c1Chris Lattner 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 28577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 28677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 28777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 28877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 289612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek 290ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 291e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static FloatingLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2945d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 2955d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 2965d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 2975d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 2985d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 2995d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 3005d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *Val; 3015d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 3025d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 3035d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 3045d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3055d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner const Expr *getSubExpr() const { return Val; } 3065d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner Expr *getSubExpr() { return Val; } 3075d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3085d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 3095d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 3105d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 3115d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 3125d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 3135d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3145d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 3155d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 3165d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 3171c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek 318ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 319e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImaginaryLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3205d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 3215d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 322e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 323e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 324e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 325a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 326a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// ConstantArrayType. 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 35177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 35277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 35377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 35477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3557febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek 356ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 357e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StringLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getSubExpr() const { return Val; } 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() { return Val; } 371866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { return SourceRange(L, R); } 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 37777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 37877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 37977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 38077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3819eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 382ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 383e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ParenExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 390dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 391dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 392dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 393dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 394dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 395dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 396dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 39773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 39873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 39973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 40073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 40313d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 41273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 41373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Val; 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Val; } 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 4345d826b82936beb2c32dd02460332ba8035192c65Ted Kremenek bool isIncrementOp() const {return Opc==PreInc || Opc==PostInc; } 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 4375a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson bool isOffsetOfOp() const { return Opc == OffsetOf; } 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 4415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 4475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 45677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 4575a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson int64_t evaluateOffsetOf(ASTContext& C) const; 4585a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson 45977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 46077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 46177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4621049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek 463ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 464e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static UnaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 48176e773a443be9f006610f46529e07d4c8d857680Chris Lattner 48276e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 483866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 484866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 485866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 486866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 49277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 49377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 49477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 49577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 496ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek 497ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 498e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static SizeOfAlignOfTypeExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 50777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 50877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr* SubExprs[END_EXPR]; 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5112324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 51273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 51373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 51473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 51573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 51673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5182324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 5192324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 5202324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 5212324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 5222324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 52333fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 52433fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 52533fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 52633fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 52777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getLHS() { return SubExprs[LHS]; } 52877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getLHS() const { return SubExprs[LHS]; } 52977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 53077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getRHS() { return SubExprs[RHS]; } 53177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getRHS() const { return SubExprs[RHS]; } 5322324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 53377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 53433fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 53577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 53677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5372324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 53833fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getLHS() : getRHS(); 5392324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5402324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 54177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 54233fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 5432324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 5442324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 54577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 54633fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb return (getRHS()->getType()->isIntegerType()) ? getRHS() : getLHS(); 54777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 549866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 55077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 552866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 55977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 56077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 56177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 56277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 56396fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek 564ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 565e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ArraySubscriptExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 57277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 57377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr **SubExprs; 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 576d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 577d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek // This version of the ctor is for deserialization. 578d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek CallExpr(Expr** subexprs, unsigned numargs, QualType t, 579d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek SourceLocation rparenloc) 580d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek : Expr(CallExprClass,t), SubExprs(subexprs), 581d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek NumArgs(numargs), RParenLoc(rparenloc) {} 582d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 58777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 59077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getCallee() const { return SubExprs[FN]; } 59177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getCallee() { return SubExprs[FN]; } 59218b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 5955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 5995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 60177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 60577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SubExprs[Arg+ARGS_START]; 6065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 607934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 608934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 609934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 610934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 611934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 612d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 613d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 614d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 615d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 616d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner void setNumArgs(unsigned NumArgs); 617d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 618d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner typedef Expr **arg_iterator; 619d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner typedef Expr * const *arg_const_iterator; 620d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 621d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 622d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_const_iterator arg_begin() const { return SubExprs+ARGS_START; } 623d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_const_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs(); } 624d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 625d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 6265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 63013b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBuiltinClassifyType(llvm::APSInt &Result) const; 631c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff 632c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff /// isBuiltinConstantExpr - Return true if this built-in call is constant. 633c4f8e8b645b8e0e685c089dde0674c6f29a24168Steve Naroff bool isBuiltinConstantExpr() const; 63413b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff 635d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 636866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 637866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 63877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 6395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 6435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 64577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 64677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 64777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 64877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 649d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 650ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 651e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CallExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 6555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Base; 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 662510190777c4bd53e960eea4665b204778fec1b64Eli Friedman MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l, 663510190777c4bd53e960eea4665b204778fec1b64Eli Friedman QualType ty) 664510190777c4bd53e960eea4665b204778fec1b64Eli Friedman : Expr(MemberExprClass, ty), 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 666510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getBase() const { return Base; } 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 674866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 6811237c673c07f9d827129ba02720108816abde562Ted Kremenek 6821237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 6831237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 6841237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 685bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek 686bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 687e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static MemberExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 690213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorElementExpr - This represents access to specific elements of a 691cb92a118145c2a425666068d37c4049c38e24914Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 692213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 69331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff/// 694213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorElementExpr : public Expr { 695fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff Expr *Base; 696fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff IdentifierInfo &Accessor; 697fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff SourceLocation AccessorLoc; 69831a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroffpublic: 699213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 7006481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner SourceLocation loc) 701213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman : Expr(ExtVectorElementExprClass, ty), 7026481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 70331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 704cb92a118145c2a425666068d37c4049c38e24914Chris Lattner const Expr *getBase() const { return Base; } 705cb92a118145c2a425666068d37c4049c38e24914Chris Lattner Expr *getBase() { return Base; } 706cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 707cb92a118145c2a425666068d37c4049c38e24914Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 708cb92a118145c2a425666068d37c4049c38e24914Chris Lattner 7096481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// getNumElements - Get the number of components being selected. 7106481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner unsigned getNumElements() const; 7114d0ac88428b3ed7c6f3a2f4e758ea5424ecd70aeChris Lattner 7126481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner /// containsDuplicateElements - Return true if any element access is 713cb92a118145c2a425666068d37c4049c38e24914Chris Lattner /// repeated. 7146481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner bool containsDuplicateElements() const; 715fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff 7168a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman /// getEncodedElementAccess - Encode the elements accessed into an llvm 7178a99764f9b778a54e7440b1ee06a1e48f25d76d8Nate Begeman /// aggregate Constant of ConstantInt(s). 7183b8d116703db8018f855cbb4733ace426422623bNate Begeman void getEncodedElementAccess(llvm::SmallVectorImpl<unsigned> &Elts) const; 719b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner 72031a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff virtual SourceRange getSourceRange() const { 72131a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff return SourceRange(getBase()->getLocStart(), AccessorLoc); 72231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 723866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 72431a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff static bool classof(const Stmt *T) { 725213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman return T->getStmtClass() == ExtVectorElementExprClass; 72631a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff } 727213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorElementExpr *) { return true; } 7281237c673c07f9d827129ba02720108816abde562Ted Kremenek 7291237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7301237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7311237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 73231a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff}; 73331a458462c6cf417a84e0c47852b18fb22d79acbSteve Naroff 734aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 735aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 736aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 7370fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 7380fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 7390fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 7400fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 741aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff Expr *Init; 742e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 743aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 744e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff CompoundLiteralExpr(SourceLocation lparenloc, QualType ty, Expr *init, bool fileScope) : 745e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff Expr(CompoundLiteralExprClass, ty), LParenLoc(lparenloc), Init(init), FileScope(fileScope) {} 746aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 74706184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner const Expr *getInitializer() const { return Init; } 74806184086c10c6672f4bcc3630a5a2b0bed048f63Chris Lattner Expr *getInitializer() { return Init; } 749e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 750e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 751aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 7520fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 7530fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner 75473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 7550fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 7560fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 7570fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 7580fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 75973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 7600fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 76173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 762aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 763aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 764aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 765aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 766aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 7671237c673c07f9d827129ba02720108816abde562Ted Kremenek 7681237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7691237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7701237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 7714b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek 7724b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 773e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundLiteralExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 774aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 775aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 77649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 77749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 77849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 77949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 78049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffclass ImplicitCastExpr : public Expr { 78149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff Expr *Op; 78249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 78349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 784d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr(ImplicitCastExprClass, ty), Op(op) {} 78549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 786d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner Expr *getSubExpr() { return Op; } 787d0d560a0975c2f8c4a9559e84ec556b6a0baf7dfChris Lattner const Expr *getSubExpr() const { return Op; } 78890045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 789aa4166c6c86e174362c0dc4e2cb63345f72cc5a0Chris Lattner virtual SourceRange getSourceRange() const { return Op->getSourceRange(); } 79090045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 79149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 79249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 79349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 79449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 7951237c673c07f9d827129ba02720108816abde562Ted Kremenek 7961237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7971237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7981237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 799a7c20dd6c78db562ff463ee5fb13e248a1d3c93fTed Kremenek 800ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 801e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImplicitCastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 80249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 80349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 8045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CastExpr - [C99 6.5.4] Cast Operators. 8055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CastExpr : public Expr { 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *Op; 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CastExpr(QualType ty, Expr *op, SourceLocation l) : 81126dc7b39267b7d29b35a7887a5b8e54697192192Chris Lattner Expr(CastExprClass, ty), Op(op), Loc(l) {} 81249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getSubExpr() const { return Op; } 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 818311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner return SourceRange(Loc, getSubExpr()->getSourceRange().getEnd()); 8195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CastExprClass; 8225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CastExpr *) { return true; } 8241237c673c07f9d827129ba02720108816abde562Ted Kremenek 8251237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8261237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8271237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8289971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek 829ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 830e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 8345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 8365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 83703d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 8385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 8395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 8405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 8425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 8435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 8445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 8455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 8475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 8505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 8515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 8525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 8535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 8545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 85617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 85717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 85817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Expr* SubExprs[END_EXPR]; 85917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 86017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 86117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 86317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 86417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 86517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 8661237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 8671237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 87217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 8741237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 8751237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRelationalOp() const { return Opc >= LT && Opc <= GE; } 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEqualityOp() const { return Opc == EQ || Opc == NE; } 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isLogicalOp() const { return Opc == LAnd || Opc == LOr; } 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 896eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 897eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 898eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 9011237c673c07f9d827129ba02720108816abde562Ted Kremenek 9021237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9031237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9041237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 9052dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 906ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 907e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static BinaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 9081237c673c07f9d827129ba02720108816abde562Ted Kremenek 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 91017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 91117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 91217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 9131237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9141237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 9195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 9205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 9215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 9225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 9235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 9245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 9255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 9265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 92817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 92917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 93017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 93117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 9325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 9335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 9345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 9395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 940eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 9415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 94283efb151a0c1df8cb8fb25d6dbb6c0f12f07f60aTed Kremenek 943ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 944e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundAssignOperator* CreateImpl(llvm::Deserializer& D, 945e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop ASTContext& C); 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 9505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 9515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 9521237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 9531237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 9545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 9561237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 9571237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 9581237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9591237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9601237c673c07f9d827129ba02720108816abde562Ted Kremenek } 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 962395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 963395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 9641237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 965395a2abf0028968d85958610e393e067885dc14fTed Kremenek 966395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 967395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 968395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 969395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 970395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 971395a2abf0028968d85958610e393e067885dc14fTed Kremenek // is only evaluated once. 972395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 973395a2abf0028968d85958610e393e067885dc14fTed Kremenek return SubExprs[LHS] ? SubExprs[COND] : SubExprs[LHS]; 974395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 975395a2abf0028968d85958610e393e067885dc14fTed Kremenek 976395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 977395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 978395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getFalseExpr() const { return SubExprs[RHS]; } 979395a2abf0028968d85958610e393e067885dc14fTed Kremenek 9801237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 9811237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 9885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 9901237c673c07f9d827129ba02720108816abde562Ted Kremenek 9911237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9921237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9931237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 994aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 995ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 996e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ConditionalOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 9975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9996481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 10006481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10046481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 10056481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 10066481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 10156481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10176481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 10181237c673c07f9d827129ba02720108816abde562Ted Kremenek 10191237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10201237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10211237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1022aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1023ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1024e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static AddrLabelExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1026ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1027ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 1028ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 1029ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 1030ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 1031ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *SubStmt; 1032ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 1033ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 1034d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 1035d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 1036d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 1037ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1038ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner CompoundStmt *getSubStmt() { return SubStmt; } 1039ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner const CompoundStmt *getSubStmt() const { return SubStmt; } 1040ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1041ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 1042ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 1043ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 10445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1045ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 1046ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 1047ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 1048ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 10491237c673c07f9d827129ba02720108816abde562Ted Kremenek 10501237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10511237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10521237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1053aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1054ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1055e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StmtExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1056ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 1057ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1058d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 1059d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 1060d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 1061d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 1062d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 1063d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 1064d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 1065363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1066d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 1067363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 1068d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 1069d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 1070363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 1071d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 10727f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 10737f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 1074ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1075d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 1076363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1077d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1078d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 1079d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 1080d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1081d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 10821237c673c07f9d827129ba02720108816abde562Ted Kremenek 10831237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10841237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10851237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1086d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 1087d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 1088d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// ShuffleVectorExpr - clang-specific builtin-in function 1089d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// __builtin_shufflevector. 1090d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// This AST node represents a operator that does a constant 1091d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// shuffle, similar to LLVM's shufflevector instruction. It takes 1092d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// two vectors and a variable number of constant indices, 1093d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// and returns the appropriately shuffled vector. 1094d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanclass ShuffleVectorExpr : public Expr { 1095d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation BuiltinLoc, RParenLoc; 1096d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1097d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // SubExprs - the list of values passed to the __builtin_shufflevector 1098d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // function. The first two are vectors, and the rest are constant 1099d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // indices. The number of values in this list is always 1100d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // 2+the number of indices in the vector type. 1101d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr **SubExprs; 1102d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned NumExprs; 1103d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1104d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanpublic: 1105d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman ShuffleVectorExpr(Expr **args, unsigned nexpr, 1106d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman QualType Type, SourceLocation BLoc, 1107d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation RP) : 1108d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr(ShuffleVectorExprClass, Type), BuiltinLoc(BLoc), 1109f809e3bd0c3d063f22ba34981072dae306ca9272Ted Kremenek RParenLoc(RP), NumExprs(nexpr) { 1110f809e3bd0c3d063f22ba34981072dae306ca9272Ted Kremenek 1111d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SubExprs = new Expr*[nexpr]; 1112d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman for (unsigned i = 0; i < nexpr; i++) 1113d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SubExprs[i] = args[i]; 1114d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1115d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1116d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual SourceRange getSourceRange() const { 1117d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SourceRange(BuiltinLoc, RParenLoc); 1118d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1119d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const Stmt *T) { 1120d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return T->getStmtClass() == ShuffleVectorExprClass; 1121d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1122d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const ShuffleVectorExpr *) { return true; } 1123d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1124d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman ~ShuffleVectorExpr() { 1125d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman delete [] SubExprs; 1126d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1127d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1128d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1129d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// constant expression, the actual arguments passed in, and the function 1130d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// pointers. 1131d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned getNumSubExprs() const { return NumExprs; } 1132d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1133d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getExpr - Return the Expr at the specified index. 1134d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr *getExpr(unsigned Index) { 1135d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 1136d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SubExprs[Index]; 1137d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1138d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman const Expr *getExpr(unsigned Index) const { 1139d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 1140d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SubExprs[Index]; 1141d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1142d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1143dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman unsigned getShuffleMaskIdx(ASTContext &Ctx, unsigned N) { 1144dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman assert((N < NumExprs - 2) && "Shuffle idx out of range!"); 1145d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman llvm::APSInt Result(32); 1146d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman bool result = getExpr(N+2)->isIntegerConstantExpr(Result, Ctx); 1147d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert(result && "Must be integer constant"); 1148d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return Result.getZExtValue(); 1149d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1150d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1151d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // Iterators 1152d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_begin(); 1153d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_end(); 1154d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman}; 1155d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1156d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 1157d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 1158d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 1159d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 1160d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 1161d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 1162d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 11631237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 11641237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 1165d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1166d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 1167d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 1168d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 1169d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 11701237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 11711237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 11721237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 11731237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 11741237c673c07f9d827129ba02720108816abde562Ted Kremenek } 1175c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 117627437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// isConditionTrue - Return true if the condition is true. This is always 117727437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// statically knowable for a well-formed choosexpr. 117827437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 117927437caadea35f84d550cd29f024fcf3ea240eecChris Lattner 11801237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getCond() const { return SubExprs[COND]; } 11811237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getLHS() const { return SubExprs[LHS]; } 11821237c673c07f9d827129ba02720108816abde562Ted Kremenek Expr *getRHS() const { return SubExprs[RHS]; } 11831237c673c07f9d827129ba02720108816abde562Ted Kremenek 1184d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 1185d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1186d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1187d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 1188d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 1189d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1190d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 11911237c673c07f9d827129ba02720108816abde562Ted Kremenek 11921237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11931237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11941237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1195d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 1196d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 11976a1bc1b95ee31c6892d46a6993b9e2d2d66831eeNate Begeman/// OverloadExpr - Clang builtin function __builtin_overload. 119867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// This AST node provides a way to overload functions in C. 119967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 120067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The first argument is required to be a constant expression, for the number 120167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// of arguments passed to each candidate function. 120267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 120367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The next N arguments, where N is the value of the constant expression, 120467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the values to be passed as arguments. 120567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 120667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The rest of the arguments are values of pointer to function type, which 120767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the candidate functions for overloading. 120867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 120967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The result is a equivalent to a CallExpr taking N arguments to the 121067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// candidate function whose parameter types match the types of the N arguments. 121167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 121267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// example: float Z = __builtin_overload(2, X, Y, modf, mod, modl); 121367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are long doubles, Z will assigned the result of modl(X, Y); 121467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are floats, Z will be assigned the result of modf(X, Y); 1215e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanclass OverloadExpr : public Expr { 121667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExprs - the list of values passed to the __builtin_overload function. 121767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[0] is a constant expression 121867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[1-N] are the parameters to pass to the matching function call 121967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[N-...] are the candidate functions, of type pointer to function. 1220e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman Expr **SubExprs; 122167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 122267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // NumExprs - the size of the SubExprs array 122367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned NumExprs; 122467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 122567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // The index of the matching candidate function 1226e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman unsigned FnIndex; 122767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1228e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation BuiltinLoc; 1229e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation RParenLoc; 1230e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanpublic: 1231796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman OverloadExpr(Expr **args, unsigned nexprs, unsigned idx, QualType t, 1232e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation bloc, SourceLocation rploc) 1233796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman : Expr(OverloadExprClass, t), NumExprs(nexprs), FnIndex(idx), 123467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman BuiltinLoc(bloc), RParenLoc(rploc) { 1235796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman SubExprs = new Expr*[nexprs]; 1236796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman for (unsigned i = 0; i != nexprs; ++i) 1237e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SubExprs[i] = args[i]; 1238e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1239e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman ~OverloadExpr() { 1240e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman delete [] SubExprs; 1241e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1242e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 124367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// arg_begin - Return a pointer to the list of arguments that will be passed 124467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// to the matching candidate function, skipping over the initial constant 124567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// expression. 1246e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman typedef Expr * const *arg_const_iterator; 1247e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman arg_const_iterator arg_begin() const { return SubExprs+1; } 1248e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 124967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// getNumArgs - Return the number of arguments to pass to the candidate 125067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// functions. 125167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumArgs(ASTContext &Ctx) const { 125267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman llvm::APSInt constEval(32); 125367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman (void) SubExprs[0]->isIntegerConstantExpr(constEval, Ctx); 125467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman return constEval.getZExtValue(); 125567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman } 125667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1257796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1258796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// constant expression, the actual arguments passed in, and the function 1259796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// pointers. 126067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumSubExprs() const { return NumExprs; } 1261e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1262796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getExpr - Return the Expr at the specified index. 1263796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman Expr *getExpr(unsigned Index) { 1264796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman assert((Index < NumExprs) && "Arg access out of range!"); 1265796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman return SubExprs[Index]; 1266e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 126767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1268796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getFn - Return the matching candidate function for this OverloadExpr. 126967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman Expr *getFn() const { return SubExprs[FnIndex]; } 1270e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1271e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual SourceRange getSourceRange() const { 1272e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return SourceRange(BuiltinLoc, RParenLoc); 1273e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1274e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const Stmt *T) { 1275e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return T->getStmtClass() == OverloadExprClass; 1276e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1277e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const OverloadExpr *) { return true; } 1278e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1279e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman // Iterators 1280e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_begin(); 1281e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_end(); 1282e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman}; 1283e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 12847c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 12857c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 12867c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *Val; 12877c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 12887c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 12897c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 12907c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 12917c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 12927c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 12937c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 12947c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 12957c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson const Expr *getSubExpr() const { return Val; } 12967c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Expr *getSubExpr() { return Val; } 12977c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 12987c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 12997c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 13007c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 13017c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 13027c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 13037c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 13047c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 13057c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 13067c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 13077c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 13087c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 13097c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 1310196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// InitListExpr - used for struct and array initializers, such as: 1311196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// struct foo x = { 1, { 2, 3 } }; 1312196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1313196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// Because C is somewhat loose with braces, the AST does not necessarily 1314196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// directly model the C source. Instead, the semantic analyzer aims to make 1315196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// the InitListExprs match up with the type of the decl being initialized. We 1316196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// have the following exceptions: 1317196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1318196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1. Elements at the end of the list may be dropped from the initializer. 1319196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// These elements are defined to be initialized to zero. For example: 1320196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[20] = { 1 }; 1321196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 2. Initializers may have excess initializers which are to be ignored by the 1322196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// compiler. For example: 1323196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[1] = { 1, 2 }; 13243fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// 3. Redundant InitListExprs may be present around scalar elements. These 13253fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// always have a single element whose type is the same as the InitListExpr. 13263fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// this can only happen for Type::isScalarType() types. 1327196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x = { 1 }; int y[2] = { {1}, {2} }; 1328196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 132966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 1330c5ae899b4bbf65488445316c63168079177db0edSteve Naroff std::vector<Expr *> InitExprs; 133166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 133266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 133366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 133466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 133566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 1336c5ae899b4bbf65488445316c63168079177db0edSteve Naroff unsigned getNumInits() const { return InitExprs.size(); } 133766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 133866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 1339c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 134066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 134166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 134266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 134366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 1344c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 134566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return InitExprs[Init]; 134666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 134766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 13489e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 1349c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 13509e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 13519e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 1352c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1353c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Dynamic removal/addition (for constructing implicit InitExpr's). 1354c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void removeInit(unsigned Init) { 1355c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.erase(InitExprs.begin()+Init); 1356c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1357c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void addInit(unsigned Init, Expr *expr) { 1358c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.insert(InitExprs.begin()+Init, expr); 1359c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1360c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1361c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 1362c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 1363c5ae899b4bbf65488445316c63168079177db0edSteve Naroff bool isExplicit() { 1364c5ae899b4bbf65488445316c63168079177db0edSteve Naroff return LBraceLoc.isValid() && RBraceLoc.isValid(); 1365c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 13669e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 136766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 136866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 136966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 137066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 137166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 137266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 137366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 137466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 137566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 137666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 137766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 13786336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 13796336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1380e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static InitListExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 13816336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 13826336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenekprivate: 13836336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek // Used by serializer. 138428a309e387a0a69b0c055c1565aa147fc695f906Chris Lattner InitListExpr() : Expr(InitListExprClass, QualType()) {} 138566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 138666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 13885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1390