Expr.h revision b4609806e9232593ece09ce08b630836e825865c
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 "llvm/ADT/APSInt.h" 20525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner#include "llvm/ADT/APFloat.h" 213b8d116703db8018f855cbb4733ace426422623bNate Begeman#include "llvm/ADT/SmallVector.h" 22c5ae899b4bbf65488445316c63168079177db0edSteve Naroff#include <vector> 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 25590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner class ASTContext; 26c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson class APValue; 27c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class Decl; 28c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class IdentifierInfo; 29c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ParmVarDecl; 308e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor class NamedDecl; 31c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ValueDecl; 3256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff class BlockDecl; 33c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 41f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor Expr(StmtClass SC, QualType T) : Stmt(SC) { setType(T); } 42f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregorpublic: 43f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor QualType getType() const { return TR; } 44f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor void setType(QualType t) { 459d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // In C++, the type of an expression is always adjusted so that it 469d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // will not have reference type an expression will never have 479d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // reference type (C++ [expr]p6). Use 489d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // QualType::getNonReferenceType() to retrieve the non-reference 499d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // type. Additionally, inspect Expr::isLvalue to determine whether 509d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // an expression that is adjusted in this manner should be 519d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor // considered an lvalue. 52f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor assert((TR.isNull() || !TR->isReferenceType()) && 538320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar "Expressions can't have reference type"); 54f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor 55f7c2aa0b049272d8f318988c1965760dcb852578Douglas Gregor TR = t; 569d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor } 5777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 8008ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 86fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 8928be73f74c9e241a23ea24fe5756623de6bf1084Chris Lattner isLvalueResult isLvalue(ASTContext &Ctx) const; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 100fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 1025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 1044f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_ArrayType, 1054f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_NotBlockQualified 1065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 10728be73f74c9e241a23ea24fe5756623de6bf1084Chris Lattner isModifiableLvalueResult isModifiableLvalue(ASTContext &Ctx) const; 1085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 109590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 11027c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor bool isBitField(); 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 112cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar /// getIntegerConstantExprValue() - Return the value of an integer 113cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar /// constant expression. The expression must be a valid integer 114cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar /// constant expression as determined by isIntegerConstantExpr. 115cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar llvm::APSInt getIntegerConstantExprValue(ASTContext &Ctx) const { 1168070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 117cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar bool success = isIntegerConstantExpr(X, Ctx); 118a5d1cb7ef3f0780540e7fd7180399fd220ef0210Daniel Dunbar success = success; 119cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar assert(success && "Illegal argument to getIntegerConstantExpr"); 120cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar return X; 121cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar } 122cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 127590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 128590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 130590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1318070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 132590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13438374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff /// isConstantExpr - Return true if this expression is a valid constant expr. 13538374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff bool isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const; 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 137019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// tryEvaluate - Return true if this is a constant which we can fold using 138019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// any crazy technique (that has nothing to do with language standards) that 139019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// we want to. If this function returns true, it returns the folded constant 140019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// in Result. 141c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson bool tryEvaluate(APValue& Result, ASTContext &Ctx) const; 14245b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner 14345b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// isEvaluatable - Call tryEvaluate to see if this expression can be constant 14445b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// folded, but discard the result. 14545b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner bool isEvaluatable(ASTContext &Ctx) const; 146c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 1472e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek /// hasGlobalStorage - Return true if this expression has static storage 1484cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// duration. This means that the address of this expression is a link-time 1494cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// constant. 1502e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek bool hasGlobalStorage() const; 1514e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1524e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 1534e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// its subexpression. If that subexpression is also a ParenExpr, 1544e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 1554e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 1564e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek Expr* IgnoreParens(); 15756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 15856f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 15927c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor /// or CastExprs, returning their operand. 16056f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 1614e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1624e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek const Expr* IgnoreParens() const { 1634e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 1644e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 16556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 16656f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 16756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 16856f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1742e7d352dbec06755105237afba183492d31d03cbTed Kremenek 175e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static inline Expr* Create(llvm::Deserializer& D, ASTContext& C) { 176e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop return cast<Expr>(Stmt::Create(D, C)); 1772e7d352dbec06755105237afba183492d31d03cbTed Kremenek } 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1805549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 1815549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek//===----------------------------------------------------------------------===// 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1888e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor NamedDecl *D; 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1909e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 1919e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidisprotected: 1928e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor DeclRefExpr(StmtClass SC, NamedDecl *d, QualType t, SourceLocation l) : 1939e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis Expr(SC, t), D(d), Loc(l) {} 1949e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1968e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor DeclRefExpr(NamedDecl *d, QualType t, SourceLocation l) : 1975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1998e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor NamedDecl *getDecl() { return D; } 2008e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor const NamedDecl *getDecl() const { return D; } 201904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor void setDecl(NamedDecl *NewD) { D = NewD; } 202904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 2039e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis SourceLocation getLocation() const { return Loc; } 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2079e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis return T->getStmtClass() == DeclRefExprClass || 2089e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis T->getStmtClass() == CXXConditionDeclExprClass; 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 21177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 21277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 21377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 21477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2152dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 216ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 217e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DeclRefExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 220d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner/// PredefinedExpr - [C99 6.4.2.2] - A predefined identifier such as __func__. 221d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattnerclass PredefinedExpr : public Expr { 222227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 223227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 224227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 225227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 226cd9b46e5442a3ef17f83f75177d8545cb5b3e2b9Douglas Gregor PrettyFunction 227227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 228227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 229227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 230227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 231227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 232227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 233d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner PredefinedExpr(SourceLocation l, QualType type, IdentType IT) 234d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner : Expr(PredefinedExprClass, type), Loc(l), Type(IT) {} 235227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 236227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 237227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 238227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 239227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 240227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 241d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner return T->getStmtClass() == PredefinedExprClass; 242227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 243d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static bool classof(const PredefinedExpr *) { return true; } 24477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 24577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 24677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 24777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2481ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek 249ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 250d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static PredefinedExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 251227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 252227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 27077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 27177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 27277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 27377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2742dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 275ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 276e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IntegerLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 282c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool IsWide; 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 285c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner CharacterLiteral(unsigned value, bool iswide, QualType type, SourceLocation l) 286c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner : Expr(CharacterLiteralClass, type), Value(value), Loc(l), IsWide(iswide) { 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2882eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 289c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool isWide() const { return IsWide; } 2902eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 29977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 30077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 30177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 30277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3037338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek 304ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 305e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CharacterLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 309525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 310720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 313720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek FloatingLiteral(const llvm::APFloat &V, bool* isexact, 314720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 315720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek : Expr(FloatingLiteralClass, Type), Value(V), IsExact(*isexact), Loc(L) {} 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 317c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 318720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek 319720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 320c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 321da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// getValueAsApproximateDouble - This returns the value as an inaccurate 322da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// double. Note that this may cause loss of precision, but is useful for 323da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// debugging dumps, etc. 324da8249e57f3badecf925571881fe57243935c6c1Chris Lattner double getValueAsApproximateDouble() const; 325da8249e57f3badecf925571881fe57243935c6c1Chris Lattner 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 33277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 33377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 33477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 33577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 336612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek 337ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 338e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static FloatingLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3415d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 3425d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 3435d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 3445d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 3455d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 3465d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 3475549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 3485d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 3495d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 3505d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 3515d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3525549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 3535549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 3545d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3555d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 3565d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 3575d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 3585d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 3595d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 3605d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3615d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 3625d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 3635d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 3641c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek 365ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 366e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImaginaryLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3675d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 3685d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 369e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 370e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 371e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 372a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 373a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// ConstantArrayType. 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 39877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 39977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 40077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 40177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4027febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek 403ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 404e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StringLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 4115549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4165549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 4175549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 418866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { return SourceRange(L, R); } 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 42477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 42577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 42677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 42777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4289eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 429ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 430e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ParenExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4340518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// UnaryOperator - This represents the unary-expression's (except sizeof and 4350518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// alignof), the postinc/postdec operators from postfix-expression, and various 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 437dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 438dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 439dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 440dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 441dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 442dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 443dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 44473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 44573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 44673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 44773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 45013d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 45873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 45973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 4625549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 4715549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() const { return cast<Expr>(Val); } 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4795a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek /// isPostfix - Return true if this is a prefix operation, like --x. 4805a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek static bool isPrefix(Opcode Op); 4815a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek 4825a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek bool isPrefix() const { return isPrefix(Opc); } 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 4845d826b82936beb2c32dd02460332ba8035192c65Ted Kremenek bool isIncrementOp() const {return Opc==PreInc || Opc==PostInc; } 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 4865a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson bool isOffsetOfOp() const { return Opc == OffsetOf; } 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 4915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 50577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5065a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson int64_t evaluateOffsetOf(ASTContext& C) const; 5075a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson 50877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 50977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 51077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5111049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek 512ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 513e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static UnaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5160518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// SizeOfAlignOfExpr - [C99 6.5.3.4] - This is for sizeof/alignof, both of 5170518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// types and expressions. 5180518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redlclass SizeOfAlignOfExpr : public Expr { 5190518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isSizeof : 1; // true if sizeof, false if alignof. 5200518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isType : 1; // true if operand is a type, false if an expression 5210518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl void *Argument; 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5240518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SizeOfAlignOfExpr(bool issizeof, bool istype, void *argument, 5250518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType resultType, SourceLocation op, 5260518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SourceLocation rp) : 5270518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl Expr(SizeOfAlignOfExprClass, resultType), 5280518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl isSizeof(issizeof), isType(istype), Argument(argument), 5290518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl OpLoc(op), RParenLoc(rp) {} 5300518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 5319048891ff983d0681c116c6e8f1073aa31bdd6e8Daniel Dunbar virtual void Destroy(ASTContext& C); 5329048891ff983d0681c116c6e8f1073aa31bdd6e8Daniel Dunbar 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 5340518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isArgumentType() const { return isType; } 5350518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getArgumentType() const { 5360518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(isArgumentType() && "calling getArgumentType() when arg is expr"); 5370518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return QualType::getFromOpaquePtr(Argument); 5380518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 5390518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl Expr* getArgumentExpr() const { 5400518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(!isArgumentType() && "calling getArgumentExpr() when arg is type"); 5410518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return (Expr *)Argument; 5420518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 5430518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// Gets the argument type, or the type of the argument expression, whichever 5440518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// is appropriate. 5450518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getTypeOfArgument() const { 5460518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return isArgumentType() ? getArgumentType() : getArgumentExpr()->getType(); 5470518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 5480518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 54976e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 550866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 551866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 552866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 553866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5560518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return T->getStmtClass() == SizeOfAlignOfExprClass; 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5580518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl static bool classof(const SizeOfAlignOfExpr *) { return true; } 55977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 56077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 56177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 56277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 563ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek 564ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 5650518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl static SizeOfAlignOfExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 57477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 5755549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5782324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 57973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 58073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 58173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 58273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 58373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5852324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 5862324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 5872324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 5882324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 5892324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 59033fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 59133fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 59233fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 59333fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 5945549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() { return cast<Expr>(SubExprs[LHS]); } 5955549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 59677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5975549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() { return cast<Expr>(SubExprs[RHS]); } 5985549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 5992324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 60077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 6015549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 60277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 60377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 6042324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 6055549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 6062324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 6072324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 60877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 6095549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 6102324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 6112324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 61277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 6135549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 61477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 6155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 616866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 61777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 6185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 619866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 6205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 6215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 62677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 62777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 62877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 62977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 63096fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek 631ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 632e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ArraySubscriptExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 636b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]). 637b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// CallExpr itself represents a normal function call, e.g., "f(x, 2)", 638b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// while its subclasses may represent alternative syntax that (semantically) 639b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// results in a function call. For example, CXXOperatorCallExpr is 640b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// a subclass for overloaded operator calls that use operator syntax, e.g., 641b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// "str1 + str2" to resolve to a function call. 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 64377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 6445549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 647d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 648d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek // This version of the ctor is for deserialization. 649b4609806e9232593ece09ce08b630836e825865cDouglas Gregor CallExpr(StmtClass SC, Stmt** subexprs, unsigned numargs, QualType t, 650d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek SourceLocation rparenloc) 651b4609806e9232593ece09ce08b630836e825865cDouglas Gregor : Expr(SC,t), SubExprs(subexprs), 652d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek NumArgs(numargs), RParenLoc(rparenloc) {} 653b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 654b4609806e9232593ece09ce08b630836e825865cDouglas Gregorprotected: 655b4609806e9232593ece09ce08b630836e825865cDouglas Gregor // This version of the constructor is for derived classes. 656b4609806e9232593ece09ce08b630836e825865cDouglas Gregor CallExpr(StmtClass SC, Expr *fn, Expr **args, unsigned numargs, QualType t, 657b4609806e9232593ece09ce08b630836e825865cDouglas Gregor SourceLocation rparenloc); 658d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 6615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 66377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6665549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getCallee() const { return cast<Expr>(SubExprs[FN]); } 6675549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCallee() { return cast<Expr>(SubExprs[FN]); } 66818b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 6775549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 6815549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 683934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 684934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 685934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 686934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 687934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 688d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 689d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 690d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 691d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 692d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner void setNumArgs(unsigned NumArgs); 693d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 6945549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ExprIterator arg_iterator; 6955549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 6965549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 697d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 698d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 6995549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_begin() const { return SubExprs+ARGS_START; } 7005549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs();} 701d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 7045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 706cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// isBuiltinCall - If this is a call to a builtin, return the builtin ID. If 707cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// not, return 0. 708cb888967400a03504c88acedd5248d6778a82f46Chris Lattner unsigned isBuiltinCall() const; 709cb888967400a03504c88acedd5248d6778a82f46Chris Lattner 710d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 711866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 712866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 71377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 717b4609806e9232593ece09ce08b630836e825865cDouglas Gregor return T->getStmtClass() == CallExprClass || 718b4609806e9232593ece09ce08b630836e825865cDouglas Gregor T->getStmtClass() == CXXOperatorCallExprClass; 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 72177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 72277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 72377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 72477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 725d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 726ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 727b4609806e9232593ece09ce08b630836e825865cDouglas Gregor static CallExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C, 728b4609806e9232593ece09ce08b630836e825865cDouglas Gregor StmtClass SC); 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 7325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 7345549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Base; 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 739510190777c4bd53e960eea4665b204778fec1b64Eli Friedman MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l, 740510190777c4bd53e960eea4665b204778fec1b64Eli Friedman QualType ty) 741510190777c4bd53e960eea4665b204778fec1b64Eli Friedman : Expr(MemberExprClass, ty), 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 743510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 7445549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getBase() const { return cast<Expr>(Base); } 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 751866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 7581237c673c07f9d827129ba02720108816abde562Ted Kremenek 7591237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7601237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7611237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 762bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek 763bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 764e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static MemberExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 767aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 768aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 769aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 7700fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 7710fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 7720fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 7730fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 7745549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Init; 775e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 776aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 777a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner CompoundLiteralExpr(SourceLocation lparenloc, QualType ty, Expr *init, 778a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool fileScope) 779a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner : Expr(CompoundLiteralExprClass, ty), LParenLoc(lparenloc), Init(init), 780a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner FileScope(fileScope) {} 781aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 7825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getInitializer() const { return cast<Expr>(Init); } 7835549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getInitializer() { return cast<Expr>(Init); } 784e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 785e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 786aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 7870fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 7880fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner 78973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 7900fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 7910fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 7920fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 7930fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 79473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 7950fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 79673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 797aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 798aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 799aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 800aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 801aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 8021237c673c07f9d827129ba02720108816abde562Ted Kremenek 8031237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8041237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8051237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8064b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek 8074b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 808e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundLiteralExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 809aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 810aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 81149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CastExpr - Base class for type casts, including both implicit 81249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts (ImplicitCastExpr) and explicit casts that have some 81349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representation in the source code (ExplicitCastExpr's derived 81449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// classes). 8150835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass CastExpr : public Expr { 8160835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Stmt *Op; 8170835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisprotected: 8180835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis CastExpr(StmtClass SC, QualType ty, Expr *op) : 8190835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Expr(SC, ty), Op(op) {} 8200835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 8210835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidispublic: 8220835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Expr *getSubExpr() { return cast<Expr>(Op); } 8230835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis const Expr *getSubExpr() const { return cast<Expr>(Op); } 8240835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 8250835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const Stmt *T) { 8269d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 8279d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 8289d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 8299d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 8306eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor if (SC >= ImplicitCastExprClass && SC <= CStyleCastExprClass) 8310835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return true; 8329d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 8339d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 8340835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 8350835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const CastExpr *) { return true; } 8360835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 8370835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis // Iterators 8380835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_begin(); 8390835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_end(); 8400835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis}; 8410835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 84249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ImplicitCastExpr - Allows us to explicitly represent implicit type 84349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// conversions, which have no direct representation in the original 84449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// source code. For example: converting T[]->T*, void f()->void 84549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (*f)(), float->double, short->int, etc. 84649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 847bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// In C, implicit casts always produce rvalues. However, in C++, an 848bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// implicit cast whose result is being bound to a reference will be 849bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// an lvalue. For example: 850bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// 851bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @code 852bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Base { }; 853bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Derived : public Base { }; 854bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// void f(Derived d) { 855bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// Base& b = d; // initializer is an ImplicitCastExpr to an lvalue of type Base 856bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// } 857bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @endcode 8580835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ImplicitCastExpr : public CastExpr { 859eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// LvalueCast - Whether this cast produces an lvalue. 860eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool LvalueCast; 861eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 86249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 863eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor ImplicitCastExpr(QualType ty, Expr *op, bool Lvalue) : 864eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor CastExpr(ImplicitCastExprClass, ty, op), LvalueCast(Lvalue) {} 86590045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 8660835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual SourceRange getSourceRange() const { 8670835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return getSubExpr()->getSourceRange(); 8680835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 86990045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 870eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// isLvalueCast - Whether this cast produces an lvalue. 871eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool isLvalueCast() const { return LvalueCast; } 872eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 873eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// setLvalueCast - Set whether this cast produces an lvalue. 874eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor void setLvalueCast(bool Lvalue) { LvalueCast = Lvalue; } 875eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 87649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 87749b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 87849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 87949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 8801237c673c07f9d827129ba02720108816abde562Ted Kremenek 881ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 882e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImplicitCastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 88349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 88449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 88549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ExplicitCastExpr - An explicit cast written in the source 88649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// code. 88749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 88849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This class is effectively an abstract class, because it provides 88949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// the basic representation of an explicitly-written cast without 89049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// specifying which kind of cast (C cast, functional cast, static 89149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast, etc.) was written; specific derived classes represent the 89249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// particular style of cast and its location information. 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 89449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// Unlike implicit casts, explicit cast nodes have two different 89549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// types: the type that was written into the source code, and the 89649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// actual type of the expression as determined by semantic 89749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// analysis. These types may differ slightly. For example, in C++ one 89849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// can cast to a reference type, which indicates that the resulting 89949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// expression will be an lvalue. The reference type, however, will 90049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// not be used as the type of the expression. 9010835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ExplicitCastExpr : public CastExpr { 90249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// TypeAsWritten - The type that this expression is casting to, as 90349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// written in the source code. 90449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor QualType TypeAsWritten; 90549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 90649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 9078320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar ExplicitCastExpr(StmtClass SC, QualType exprTy, Expr *op, QualType writtenTy) 9088320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar : CastExpr(SC, exprTy, op), TypeAsWritten(writtenTy) {} 90949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 91049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorpublic: 91149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// getTypeAsWritten - Returns the type that this expression is 91249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// casting to, as written in the source code. 91349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor QualType getTypeAsWritten() const { return TypeAsWritten; } 91449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 91549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const Stmt *T) { 9169d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 9176eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor if (SC >= ExplicitCastExprClass && SC <= CStyleCastExprClass) 9189d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 9199d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 92049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 9219d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 9229d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 92349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 92449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const ExplicitCastExpr *) { return true; } 92549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 92649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 9276eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor/// CStyleCastExpr - An explicit cast in C (C99 6.5.4) or a C-style 92849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast in C++ (C++ [expr.cast]), which uses the syntax 92949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (Type)expr. For example: @c (int)f. 9306eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregorclass CStyleCastExpr : public ExplicitCastExpr { 931b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LPLoc; // the location of the left paren 932b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation RPLoc; // the location of the right paren 9335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9346eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor CStyleCastExpr(QualType exprTy, Expr *op, QualType writtenTy, 935b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation l, SourceLocation r) : 936b2f9e516327310d95840d442416084508f80c183Steve Naroff ExplicitCastExpr(CStyleCastExprClass, exprTy, op, writtenTy), 937b2f9e516327310d95840d442416084508f80c183Steve Naroff LPLoc(l), RPLoc(r) {} 93849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 939b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getLParenLoc() const { return LPLoc; } 940b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getRParenLoc() const { return RPLoc; } 9415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 943b2f9e516327310d95840d442416084508f80c183Steve Naroff return SourceRange(LPLoc, getSubExpr()->getSourceRange().getEnd()); 9445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9466eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor return T->getStmtClass() == CStyleCastExprClass; 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9486eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor static bool classof(const CStyleCastExpr *) { return true; } 9499971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek 950ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 9516eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor static CStyleCastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 9525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 9555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 9575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 95803d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 9685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 9695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 9705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 9715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 9725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 9745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 9755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 9765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 97717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 97817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 9795549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 98017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 98117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 98217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 98417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 98517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 98617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 9871237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9881237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 9905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 9915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 99317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 9945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 9955549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 9965549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 9975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 1010f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 1011f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isRelationalOp(Opcode Opc) { return Opc >= LT && Opc <= GE; } 1012f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isRelationalOp() const { return isRelationalOp(Opc); } 1013f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 1014f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isEqualityOp(Opcode Opc) { return Opc == EQ || Opc == NE; } 1015f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isEqualityOp() const { return isEqualityOp(Opc); } 1016f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 1017f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isLogicalOp(Opcode Opc) { return Opc == LAnd || Opc == LOr; } 1018f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isLogicalOp() const { return isLogicalOp(Opc); } 1019f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1024eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 1025eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 1026eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 10291237c673c07f9d827129ba02720108816abde562Ted Kremenek 10301237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10311237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10321237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 10332dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 1034ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1035e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static BinaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 10361237c673c07f9d827129ba02720108816abde562Ted Kremenek 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 103817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 103917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 104017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 10411237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 10421237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 10435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 105617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 105717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 105817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 105917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 10605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 1068eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 107083efb151a0c1df8cb8fb25d6dbb6c0f12f07f60aTed Kremenek 1071ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1072e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundAssignOperator* CreateImpl(llvm::Deserializer& D, 1073e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop ASTContext& C); 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 10801237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 10815549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 10841237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 10851237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 10861237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 10871237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 10881237c673c07f9d827129ba02720108816abde562Ted Kremenek } 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1090395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 1091395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 10925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 1093395a2abf0028968d85958610e393e067885dc14fTed Kremenek 1094395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 1095395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 1096395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 1097395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 1098395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 1099395a2abf0028968d85958610e393e067885dc14fTed Kremenek // is only evaluated once. 1100395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 11015549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[LHS] ? SubExprs[LHS] : SubExprs[COND]); 1102395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 1103395a2abf0028968d85958610e393e067885dc14fTed Kremenek 1104395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 1105395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 11065549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFalseExpr() const { return cast<Expr>(SubExprs[RHS]); } 1107395a2abf0028968d85958610e393e067885dc14fTed Kremenek 11085549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast_or_null<Expr>(SubExprs[LHS]); } 11095549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 11181237c673c07f9d827129ba02720108816abde562Ted Kremenek 11191237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11201237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11211237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1122aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1123ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1124e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ConditionalOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 11255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11276481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 11286481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 11295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 11315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11326481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 11336481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 11346481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 11355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 11385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 11436481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11456481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 11461237c673c07f9d827129ba02720108816abde562Ted Kremenek 11471237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11481237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11491237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1150aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1151ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1152e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static AddrLabelExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1154ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1155ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 1156ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 1157ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 1158ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 11595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *SubStmt; 1160ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 1161ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 1162d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 1163d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 1164d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 1165ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 11665549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CompoundStmt *getSubStmt() { return cast<CompoundStmt>(SubStmt); } 11675549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const CompoundStmt *getSubStmt() const { return cast<CompoundStmt>(SubStmt); } 1168ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1169ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 1170ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 1171ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1173ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 1174ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 1175ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 1176ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 11771237c673c07f9d827129ba02720108816abde562Ted Kremenek 11781237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11791237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11801237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1181aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1182ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1183e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StmtExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1184ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 1185ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1186d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 1187d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 1188d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 1189d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 1190d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 1191d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 1192d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 1193363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1194d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 1195363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 1196d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 1197d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 1198363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 1199d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 12007f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 12017f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 1202ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1203d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 1204363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1205d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1206d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 1207d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 1208d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1209d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 12101237c673c07f9d827129ba02720108816abde562Ted Kremenek 12111237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 12121237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 12131237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1214d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1215d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1216d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static TypesCompatibleExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1217d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 1218d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 1219d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// ShuffleVectorExpr - clang-specific builtin-in function 1220d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// __builtin_shufflevector. 1221d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// This AST node represents a operator that does a constant 1222d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// shuffle, similar to LLVM's shufflevector instruction. It takes 1223d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// two vectors and a variable number of constant indices, 1224d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// and returns the appropriately shuffled vector. 1225d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanclass ShuffleVectorExpr : public Expr { 1226d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation BuiltinLoc, RParenLoc; 1227d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1228d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // SubExprs - the list of values passed to the __builtin_shufflevector 1229d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // function. The first two are vectors, and the rest are constant 1230d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // indices. The number of values in this list is always 1231d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // 2+the number of indices in the vector type. 12325549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 1233d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned NumExprs; 1234d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1235d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanpublic: 1236d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman ShuffleVectorExpr(Expr **args, unsigned nexpr, 1237d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman QualType Type, SourceLocation BLoc, 1238d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation RP) : 1239d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr(ShuffleVectorExprClass, Type), BuiltinLoc(BLoc), 1240f809e3bd0c3d063f22ba34981072dae306ca9272Ted Kremenek RParenLoc(RP), NumExprs(nexpr) { 1241f809e3bd0c3d063f22ba34981072dae306ca9272Ted Kremenek 12425549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek SubExprs = new Stmt*[nexpr]; 1243d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman for (unsigned i = 0; i < nexpr; i++) 1244d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SubExprs[i] = args[i]; 1245d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1246d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1247d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual SourceRange getSourceRange() const { 1248d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SourceRange(BuiltinLoc, RParenLoc); 1249d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1250d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const Stmt *T) { 1251d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return T->getStmtClass() == ShuffleVectorExprClass; 1252d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1253d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const ShuffleVectorExpr *) { return true; } 1254d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1255d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman ~ShuffleVectorExpr() { 1256d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman delete [] SubExprs; 1257d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1258d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1259d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1260d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// constant expression, the actual arguments passed in, and the function 1261d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// pointers. 1262d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned getNumSubExprs() const { return NumExprs; } 1263d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1264d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getExpr - Return the Expr at the specified index. 1265d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr *getExpr(unsigned Index) { 1266d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 12675549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 1268d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1269d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman const Expr *getExpr(unsigned Index) const { 1270d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 12715549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 1272d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1273d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1274dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman unsigned getShuffleMaskIdx(ASTContext &Ctx, unsigned N) { 1275dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman assert((N < NumExprs - 2) && "Shuffle idx out of range!"); 1276a5d1cb7ef3f0780540e7fd7180399fd220ef0210Daniel Dunbar return getExpr(N+2)->getIntegerConstantExprValue(Ctx).getZExtValue(); 1277d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1278d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1279d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // Iterators 1280d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_begin(); 1281d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_end(); 1282d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1283d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1284d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static ShuffleVectorExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1285d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman}; 1286d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1287d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 1288d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 1289d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 1290d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 1291d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 1292d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 1293d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 12941237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 12955549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 1296d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1297d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 1298d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 1299d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 1300d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 13011237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 13021237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 13031237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 13041237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 13051237c673c07f9d827129ba02720108816abde562Ted Kremenek } 1306c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 130727437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// isConditionTrue - Return true if the condition is true. This is always 130827437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// statically knowable for a well-formed choosexpr. 130927437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 131027437caadea35f84d550cd29f024fcf3ea240eecChris Lattner 13115549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 13125549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 13135549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 13141237c673c07f9d827129ba02720108816abde562Ted Kremenek 1315d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 1316d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1317d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1318d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 1319d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 1320d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1321d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 13221237c673c07f9d827129ba02720108816abde562Ted Kremenek 13231237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 13241237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 13251237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1326d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1327d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1328d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static ChooseExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1329d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 1330d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 13316a1bc1b95ee31c6892d46a6993b9e2d2d66831eeNate Begeman/// OverloadExpr - Clang builtin function __builtin_overload. 133267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// This AST node provides a way to overload functions in C. 133367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 133467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The first argument is required to be a constant expression, for the number 133567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// of arguments passed to each candidate function. 133667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 133767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The next N arguments, where N is the value of the constant expression, 133867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the values to be passed as arguments. 133967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 134067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The rest of the arguments are values of pointer to function type, which 134167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the candidate functions for overloading. 134267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 134367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The result is a equivalent to a CallExpr taking N arguments to the 134467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// candidate function whose parameter types match the types of the N arguments. 134567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 134667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// example: float Z = __builtin_overload(2, X, Y, modf, mod, modl); 134767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are long doubles, Z will assigned the result of modl(X, Y); 134867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are floats, Z will be assigned the result of modf(X, Y); 1349e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanclass OverloadExpr : public Expr { 135067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExprs - the list of values passed to the __builtin_overload function. 135167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[0] is a constant expression 135267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[1-N] are the parameters to pass to the matching function call 135367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[N-...] are the candidate functions, of type pointer to function. 13545549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 135567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 135667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // NumExprs - the size of the SubExprs array 135767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned NumExprs; 135867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 135967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // The index of the matching candidate function 1360e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman unsigned FnIndex; 136167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1362e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation BuiltinLoc; 1363e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation RParenLoc; 1364e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanpublic: 1365796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman OverloadExpr(Expr **args, unsigned nexprs, unsigned idx, QualType t, 1366e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation bloc, SourceLocation rploc) 1367796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman : Expr(OverloadExprClass, t), NumExprs(nexprs), FnIndex(idx), 136867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman BuiltinLoc(bloc), RParenLoc(rploc) { 13695549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek SubExprs = new Stmt*[nexprs]; 1370796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman for (unsigned i = 0; i != nexprs; ++i) 1371e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SubExprs[i] = args[i]; 1372e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1373e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman ~OverloadExpr() { 1374e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman delete [] SubExprs; 1375e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1376e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 137767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// arg_begin - Return a pointer to the list of arguments that will be passed 137867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// to the matching candidate function, skipping over the initial constant 137967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// expression. 13805549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 13815549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_begin() const { return &SubExprs[0]+1; } 13825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_end(ASTContext& Ctx) const { 13835549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return &SubExprs[0]+1+getNumArgs(Ctx); 13845549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek } 13855549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 138667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// getNumArgs - Return the number of arguments to pass to the candidate 138767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// functions. 138867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumArgs(ASTContext &Ctx) const { 13898070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar return getExpr(0)->getIntegerConstantExprValue(Ctx).getZExtValue(); 139067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman } 139167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1392796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1393796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// constant expression, the actual arguments passed in, and the function 1394796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// pointers. 139567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumSubExprs() const { return NumExprs; } 1396e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1397796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getExpr - Return the Expr at the specified index. 13988070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar Expr *getExpr(unsigned Index) const { 1399796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman assert((Index < NumExprs) && "Arg access out of range!"); 14005549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 1401e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 140267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1403796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getFn - Return the matching candidate function for this OverloadExpr. 14045549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFn() const { return cast<Expr>(SubExprs[FnIndex]); } 1405e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1406e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual SourceRange getSourceRange() const { 1407e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return SourceRange(BuiltinLoc, RParenLoc); 1408e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1409e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const Stmt *T) { 1410e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return T->getStmtClass() == OverloadExprClass; 1411e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1412e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const OverloadExpr *) { return true; } 1413e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1414e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman // Iterators 1415e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_begin(); 1416e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_end(); 141720c77e995d5f1bad8fc59fe9e1883a563d94f535Daniel Dunbar 141820c77e995d5f1bad8fc59fe9e1883a563d94f535Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 141920c77e995d5f1bad8fc59fe9e1883a563d94f535Daniel Dunbar static OverloadExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1420e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman}; 1421e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 14227c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 14237c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 14245549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 14257c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 14267c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 14277c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 14287c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 14297c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 14307c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 14317c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 14327c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 14335549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 14345549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 14357c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 14367c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 14377c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 14387c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 14397c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 14407c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 14417c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 14427c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 14437c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 14447c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 14457c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 1446d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1447d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1448d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static VAArgExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 14497c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 14507c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 1451196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// InitListExpr - used for struct and array initializers, such as: 1452196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// struct foo x = { 1, { 2, 3 } }; 1453196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1454196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// Because C is somewhat loose with braces, the AST does not necessarily 1455196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// directly model the C source. Instead, the semantic analyzer aims to make 1456196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// the InitListExprs match up with the type of the decl being initialized. We 1457196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// have the following exceptions: 1458196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1459196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1. Elements at the end of the list may be dropped from the initializer. 1460196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// These elements are defined to be initialized to zero. For example: 1461196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[20] = { 1 }; 1462196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 2. Initializers may have excess initializers which are to be ignored by the 1463196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// compiler. For example: 1464196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[1] = { 1, 2 }; 14653fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// 3. Redundant InitListExprs may be present around scalar elements. These 14663fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// always have a single element whose type is the same as the InitListExpr. 14673fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// this can only happen for Type::isScalarType() types. 1468196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x = { 1 }; int y[2] = { {1}, {2} }; 1469196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 147066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 14715549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek std::vector<Stmt *> InitExprs; 147266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 1473418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner 1474418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner /// HadDesignators - Return true if there were any designators in this 1475418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner /// init list expr. FIXME: this should be replaced by storing the designators 1476418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner /// somehow and updating codegen. 1477418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner bool HadDesignators; 147866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 147966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 1480418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner SourceLocation rbraceloc, bool HadDesignators); 148166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 1482c5ae899b4bbf65488445316c63168079177db0edSteve Naroff unsigned getNumInits() const { return InitExprs.size(); } 1483418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner bool hadDesignators() const { return HadDesignators; } 148466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 148566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 1486c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 14875549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(InitExprs[Init]); 148866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 148966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 149066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 1491c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 14925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(InitExprs[Init]); 149366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 149466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 14959e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 1496c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 14979e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 14989e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 1499c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1500c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Dynamic removal/addition (for constructing implicit InitExpr's). 1501c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void removeInit(unsigned Init) { 1502c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.erase(InitExprs.begin()+Init); 1503c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1504c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void addInit(unsigned Init, Expr *expr) { 1505c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.insert(InitExprs.begin()+Init, expr); 1506c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1507c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1508c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 1509c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 1510c5ae899b4bbf65488445316c63168079177db0edSteve Naroff bool isExplicit() { 1511c5ae899b4bbf65488445316c63168079177db0edSteve Naroff return LBraceLoc.isValid() && RBraceLoc.isValid(); 1512c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 15139e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 151466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 151566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 151666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 151766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 151866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 151966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 152066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 152166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 152266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 152366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 152466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 15256336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 15267fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek typedef std::vector<Stmt *>::iterator iterator; 15277fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek typedef std::vector<Stmt *>::reverse_iterator reverse_iterator; 15287fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek 15297fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek iterator begin() { return InitExprs.begin(); } 15307fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek iterator end() { return InitExprs.end(); } 15317fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek reverse_iterator rbegin() { return InitExprs.rbegin(); } 15327fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek reverse_iterator rend() { return InitExprs.rend(); } 15337fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek 15347fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek // Serailization. 15356336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1536e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static InitListExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 15376336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 15386336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenekprivate: 15396336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek // Used by serializer. 154028a309e387a0a69b0c055c1565aa147fc695f906Chris Lattner InitListExpr() : Expr(InitListExprClass, QualType()) {} 154166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 154266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 15434eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 15444eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff// Clang Extensions 15454eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 15464eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 1547a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1548a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// ExtVectorElementExpr - This represents access to specific elements of a 1549a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 1550a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 1551a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// 1552a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerclass ExtVectorElementExpr : public Expr { 1553a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Stmt *Base; 1554a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner IdentifierInfo &Accessor; 1555a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation AccessorLoc; 1556a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerpublic: 1557a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner ExtVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 1558a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation loc) 1559a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner : Expr(ExtVectorElementExprClass, ty), 1560a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 1561a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1562a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner const Expr *getBase() const { return cast<Expr>(Base); } 1563a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Expr *getBase() { return cast<Expr>(Base); } 1564a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1565a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 1566a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1567a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getNumElements - Get the number of components being selected. 1568a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner unsigned getNumElements() const; 1569a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1570a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// containsDuplicateElements - Return true if any element access is 1571a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// repeated. 1572a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool containsDuplicateElements() const; 1573a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1574a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into an llvm 1575a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// aggregate Constant of ConstantInt(s). 1576a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner void getEncodedElementAccess(llvm::SmallVectorImpl<unsigned> &Elts) const; 1577a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1578a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual SourceRange getSourceRange() const { 1579a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return SourceRange(getBase()->getLocStart(), AccessorLoc); 1580a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 1581a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1582a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const Stmt *T) { 1583a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return T->getStmtClass() == ExtVectorElementExprClass; 1584a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 1585a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const ExtVectorElementExpr *) { return true; } 1586a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1587a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner // Iterators 1588a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_begin(); 1589a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_end(); 1590d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1591d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1592d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static ExtVectorElementExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1593a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner}; 1594a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1595a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 159656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff/// BlockExpr - Adaptor class for mixing a BlockDecl with expressions. 15979c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff/// ^{ statement-body } or ^(int arg1, float arg2){ statement-body } 15984eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockExpr : public Expr { 159956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffprotected: 160056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *TheBlock; 16014eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 160256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockExpr(BlockDecl *BD, QualType ty) : Expr(BlockExprClass, ty), 160356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff TheBlock(BD) {} 16049c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 160556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *getBlockDecl() { return TheBlock; } 160656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 160756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff // Convenience functions for probing the underlying BlockDecl. 160856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff SourceLocation getCaretLocation() const; 160956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const Stmt *getBody() const; 161056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Stmt *getBody(); 16119c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 16129c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff virtual SourceRange getSourceRange() const { 161356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff return SourceRange(getCaretLocation(), getBody()->getLocEnd()); 16149c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff } 16159c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 161656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff /// getFunctionType - Return the underlying function type for this block. 161756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const FunctionType *getFunctionType() const; 161856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 16194eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const Stmt *T) { 16209c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff return T->getStmtClass() == BlockExprClass; 16214eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 16224eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockExpr *) { return true; } 16234eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16244eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 16254eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 16264eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 162756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 16284eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual void EmitImpl(llvm::Serializer& S) const; 16299c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff static BlockExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 16304eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 16319c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 16324eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// BlockDeclRefExpr - A reference to a declared variable, function, 16334eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// enum, etc. 16344eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockDeclRefExpr : public Expr { 16354eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *D; 16364eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff SourceLocation Loc; 16374eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool IsByRef; 16384eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 16394eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff BlockDeclRefExpr(ValueDecl *d, QualType t, SourceLocation l, bool ByRef) : 16404eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff Expr(BlockDeclRefExprClass, t), D(d), Loc(l), IsByRef(ByRef) {} 16414eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16424eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *getDecl() { return D; } 16434eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff const ValueDecl *getDecl() const { return D; } 16444eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 16454eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16464eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool isByRef() const { return IsByRef; } 16474eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16484eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const Stmt *T) { 16494eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff return T->getStmtClass() == BlockDeclRefExprClass; 16504eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 16514eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockDeclRefExpr *) { return true; } 16524eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16534eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 16544eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 16554eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 16564eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16574eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual void EmitImpl(llvm::Serializer& S) const; 16584eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static BlockDeclRefExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 16594eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 16604eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 16625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1664