Expr.h revision 51fe996231b1d7199f76e4005ff4c943d5deeecd
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, 102ca354faa7e9b99af17070c82b9662a5fca76422cChris Lattner MLV_LValueCast, // Specialized form of MLV_InvalidExpression. 1035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 1054f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_ArrayType, 1065daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian MLV_NotBlockQualified, 107ba8d2d684e74a20bef03828c21c991d222c7e9e5Fariborz Jahanian MLV_ReadonlyProperty, 108ba8d2d684e74a20bef03828c21c991d222c7e9e5Fariborz Jahanian MLV_NoSetterProperty 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 11028be73f74c9e241a23ea24fe5756623de6bf1084Chris Lattner isModifiableLvalueResult isModifiableLvalue(ASTContext &Ctx) const; 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 112590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 11327c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor bool isBitField(); 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 115cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar /// getIntegerConstantExprValue() - Return the value of an integer 116cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar /// constant expression. The expression must be a valid integer 117cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar /// constant expression as determined by isIntegerConstantExpr. 118cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar llvm::APSInt getIntegerConstantExprValue(ASTContext &Ctx) const { 1198070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 120cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar bool success = isIntegerConstantExpr(X, Ctx); 121a5d1cb7ef3f0780540e7fd7180399fd220ef0210Daniel Dunbar success = success; 122cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar assert(success && "Illegal argument to getIntegerConstantExpr"); 123cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar return X; 124cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar } 125cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar 1265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 130590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 131590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 1325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 133590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1348070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 135590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13738374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff /// isConstantExpr - Return true if this expression is a valid constant expr. 13838374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff bool isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const; 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1406ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// Evaluate - Return true if this is a constant which we can fold using 141019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// any crazy technique (that has nothing to do with language standards) that 142019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// we want to. If this function returns true, it returns the folded constant 143019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// in Result. 1446ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner bool Evaluate(APValue& Result, ASTContext &Ctx) const; 14545b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner 1466ee7aa154e8bbb21a21254293410b944f78b0bfeChris Lattner /// isEvaluatable - Call Evaluate to see if this expression can be constant 14745b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// folded, but discard the result. 14845b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner bool isEvaluatable(ASTContext &Ctx) const; 149c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 15051fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// EvaluateAsInt - Call Evaluate and return the folded integer. This 15151fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson /// must be called on an expression that constant folds to an integer. 15251fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson llvm::APSInt EvaluateAsInt(ASTContext &Ctx) const; 15351fe996231b1d7199f76e4005ff4c943d5deeecdAnders Carlsson 1542e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek /// hasGlobalStorage - Return true if this expression has static storage 1554cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// duration. This means that the address of this expression is a link-time 1564cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// constant. 1572e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek bool hasGlobalStorage() const; 1584e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1594e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 1604e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// its subexpression. If that subexpression is also a ParenExpr, 1614e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 1624e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 1634e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek Expr* IgnoreParens(); 16456f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 16556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 16627c8dc06f65d7abcf6a7e7f64a7960c9a150ca01Douglas Gregor /// or CastExprs, returning their operand. 16756f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 1684e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1694e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek const Expr* IgnoreParens() const { 1704e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 1714e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 17256f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 17356f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 17456f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 17556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1812e7d352dbec06755105237afba183492d31d03cbTed Kremenek 182e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static inline Expr* Create(llvm::Deserializer& D, ASTContext& C) { 183e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop return cast<Expr>(Stmt::Create(D, C)); 1842e7d352dbec06755105237afba183492d31d03cbTed Kremenek } 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1875549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 1885549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek//===----------------------------------------------------------------------===// 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 1958e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor NamedDecl *D; 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 1979e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 1989e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidisprotected: 1998e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor DeclRefExpr(StmtClass SC, NamedDecl *d, QualType t, SourceLocation l) : 2009e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis Expr(SC, t), D(d), Loc(l) {} 2019e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2038e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor DeclRefExpr(NamedDecl *d, QualType t, SourceLocation l) : 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2068e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor NamedDecl *getDecl() { return D; } 2078e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor const NamedDecl *getDecl() const { return D; } 208904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor void setDecl(NamedDecl *NewD) { D = NewD; } 209904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 2109e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis SourceLocation getLocation() const { return Loc; } 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2149e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis return T->getStmtClass() == DeclRefExprClass || 2159e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis T->getStmtClass() == CXXConditionDeclExprClass; 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 21877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 21977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 22077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 22177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2222dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 223ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 224e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DeclRefExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 227d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner/// PredefinedExpr - [C99 6.4.2.2] - A predefined identifier such as __func__. 228d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattnerclass PredefinedExpr : public Expr { 229227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 230227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 231227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 232227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 233cd9b46e5442a3ef17f83f75177d8545cb5b3e2b9Douglas Gregor PrettyFunction 234227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 235227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 236227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 237227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 238227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 239227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 240d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner PredefinedExpr(SourceLocation l, QualType type, IdentType IT) 241d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner : Expr(PredefinedExprClass, type), Loc(l), Type(IT) {} 242227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 243227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 244227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 245227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 246227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 247227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 248d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner return T->getStmtClass() == PredefinedExprClass; 249227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 250d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static bool classof(const PredefinedExpr *) { return true; } 25177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 25277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 25377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 25477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2551ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek 256ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 257d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static PredefinedExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 258227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 259227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 2715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 27777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 27877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 27977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 28077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2812dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 282ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 283e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IntegerLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 289c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool IsWide; 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 292c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner CharacterLiteral(unsigned value, bool iswide, QualType type, SourceLocation l) 293c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner : Expr(CharacterLiteralClass, type), Value(value), Loc(l), IsWide(iswide) { 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2952eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 296c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool isWide() const { return IsWide; } 2972eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 30677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 30777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 30877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 30977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3107338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek 311ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 312e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CharacterLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 316525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 317720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 320720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek FloatingLiteral(const llvm::APFloat &V, bool* isexact, 321720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 322720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek : Expr(FloatingLiteralClass, Type), Value(V), IsExact(*isexact), Loc(L) {} 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 324c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 325720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek 326720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 327c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 328da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// getValueAsApproximateDouble - This returns the value as an inaccurate 329da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// double. Note that this may cause loss of precision, but is useful for 330da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// debugging dumps, etc. 331da8249e57f3badecf925571881fe57243935c6c1Chris Lattner double getValueAsApproximateDouble() const; 332da8249e57f3badecf925571881fe57243935c6c1Chris Lattner 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 33977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 34077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 34177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 34277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 343612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek 344ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 345e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static FloatingLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3485d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 3495d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 3505d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 3515d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 3525d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 3535d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 3545549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 3555d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 3565d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 3575d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 3585d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 3605549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 3615d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3625d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 3635d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 3645d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 3655d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 3665d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 3675d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3685d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 3695d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 3705d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 3711c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek 372ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 373e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImaginaryLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3745d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 3755d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 376e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 377e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 378e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 379a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 380a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// ConstantArrayType. 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 40577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 40677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 40777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 40877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4097febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek 410ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 411e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StringLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 4185549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4235549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 4245549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 425866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { return SourceRange(L, R); } 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 43177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 43277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 43377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 43477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4359eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 436ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 437e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ParenExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4410518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// UnaryOperator - This represents the unary-expression's (except sizeof and 4420518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// alignof), the postinc/postdec operators from postfix-expression, and various 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 444dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 445dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 446dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 447dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 448dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 449dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 450dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 45173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 45273d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 45373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 45473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 45713d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 4585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 4595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 46573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 46673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 4695549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 4785549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() const { return cast<Expr>(Val); } 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4865a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek /// isPostfix - Return true if this is a prefix operation, like --x. 4875a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek static bool isPrefix(Opcode Op); 4885a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek 4895a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek bool isPrefix() const { return isPrefix(Opc); } 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 4915d826b82936beb2c32dd02460332ba8035192c65Ted Kremenek bool isIncrementOp() const {return Opc==PreInc || Opc==PostInc; } 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 4935a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson bool isOffsetOfOp() const { return Opc == OffsetOf; } 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 51277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5135a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson int64_t evaluateOffsetOf(ASTContext& C) const; 5145a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson 51577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 51677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 51777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5181049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek 519ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 520e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static UnaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5230518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// SizeOfAlignOfExpr - [C99 6.5.3.4] - This is for sizeof/alignof, both of 5240518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl/// types and expressions. 5250518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redlclass SizeOfAlignOfExpr : public Expr { 5260518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isSizeof : 1; // true if sizeof, false if alignof. 5270518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isType : 1; // true if operand is a type, false if an expression 5280518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl void *Argument; 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5310518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SizeOfAlignOfExpr(bool issizeof, bool istype, void *argument, 5320518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType resultType, SourceLocation op, 5330518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SourceLocation rp) : 5340518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl Expr(SizeOfAlignOfExprClass, resultType), 5350518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl isSizeof(issizeof), isType(istype), Argument(argument), 5360518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl OpLoc(op), RParenLoc(rp) {} 5370518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 5389048891ff983d0681c116c6e8f1073aa31bdd6e8Daniel Dunbar virtual void Destroy(ASTContext& C); 5399048891ff983d0681c116c6e8f1073aa31bdd6e8Daniel Dunbar 5405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 5410518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl bool isArgumentType() const { return isType; } 5420518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getArgumentType() const { 5430518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(isArgumentType() && "calling getArgumentType() when arg is expr"); 5440518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return QualType::getFromOpaquePtr(Argument); 5450518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 5460518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl Expr* getArgumentExpr() const { 5470518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl assert(!isArgumentType() && "calling getArgumentExpr() when arg is type"); 5480518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return (Expr *)Argument; 5490518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 5500518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// Gets the argument type, or the type of the argument expression, whichever 5510518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl /// is appropriate. 5520518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl QualType getTypeOfArgument() const { 5530518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return isArgumentType() ? getArgumentType() : getArgumentExpr()->getType(); 5540518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl } 5550518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl 55676e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 557866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 558866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 559866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 560866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5630518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl return T->getStmtClass() == SizeOfAlignOfExprClass; 5645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5650518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl static bool classof(const SizeOfAlignOfExpr *) { return true; } 56677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 56777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 56877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 56977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 570ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek 571ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 5720518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl static SizeOfAlignOfExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 5775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 5805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 58177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 5825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5852324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 58673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 58773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 58873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 58973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 59073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 5915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5922324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 5932324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 5942324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 5952324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 5962324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 59733fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 59833fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 59933fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 60033fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 6015549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() { return cast<Expr>(SubExprs[LHS]); } 6025549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 60377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 6045549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() { return cast<Expr>(SubExprs[RHS]); } 6055549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 6062324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 60777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 6085549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 60977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 61077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 6112324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 6125549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 6132324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 6142324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 61577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 6165549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 6172324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 6182324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 61977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 6205549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 62177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 6225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 623866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 62477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 6255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 626866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 6275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 6285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 63377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 63477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 63577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 63677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 63796fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek 638ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 639e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ArraySubscriptExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 643b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]). 644b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// CallExpr itself represents a normal function call, e.g., "f(x, 2)", 645b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// while its subclasses may represent alternative syntax that (semantically) 646b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// results in a function call. For example, CXXOperatorCallExpr is 647b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// a subclass for overloaded operator calls that use operator syntax, e.g., 648b4609806e9232593ece09ce08b630836e825865cDouglas Gregor/// "str1 + str2" to resolve to a function call. 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 65077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 6515549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 654d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 655d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek // This version of the ctor is for deserialization. 656b4609806e9232593ece09ce08b630836e825865cDouglas Gregor CallExpr(StmtClass SC, Stmt** subexprs, unsigned numargs, QualType t, 657d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek SourceLocation rparenloc) 658b4609806e9232593ece09ce08b630836e825865cDouglas Gregor : Expr(SC,t), SubExprs(subexprs), 659d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek NumArgs(numargs), RParenLoc(rparenloc) {} 660b4609806e9232593ece09ce08b630836e825865cDouglas Gregor 661b4609806e9232593ece09ce08b630836e825865cDouglas Gregorprotected: 662b4609806e9232593ece09ce08b630836e825865cDouglas Gregor // This version of the constructor is for derived classes. 663b4609806e9232593ece09ce08b630836e825865cDouglas Gregor CallExpr(StmtClass SC, Expr *fn, Expr **args, unsigned numargs, QualType t, 664b4609806e9232593ece09ce08b630836e825865cDouglas Gregor SourceLocation rparenloc); 665d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CallExpr(Expr *fn, Expr **args, unsigned numargs, QualType t, 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation rparenloc); 6695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ~CallExpr() { 67077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek delete [] SubExprs; 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6735549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getCallee() const { return cast<Expr>(SubExprs[FN]); } 6745549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCallee() { return cast<Expr>(SubExprs[FN]); } 67518b2515e1bf8c86a4900792692e42fe1296be28dChris Lattner void setCallee(Expr *F) { SubExprs[FN] = F; } 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumArgs - Return the number of actual arguments to this call. 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 6795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getArg - Return the specified argument. 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr *getArg(unsigned Arg) { 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 6845549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const Expr *getArg(unsigned Arg) const { 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(Arg < NumArgs && "Arg access out of range!"); 6885549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Arg+ARGS_START]); 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 690934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff /// setArg - Set the specified argument. 691934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff void setArg(unsigned Arg, Expr *ArgExpr) { 692934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff assert(Arg < NumArgs && "Arg access out of range!"); 693934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff SubExprs[Arg+ARGS_START] = ArgExpr; 694934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 695d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 696d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// setNumArgs - This changes the number of arguments present in this call. 697d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// Any orphaned expressions are deleted by this, and any new operands are set 698d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner /// to null. 699d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner void setNumArgs(unsigned NumArgs); 700d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 7015549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ExprIterator arg_iterator; 7025549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 7035549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 704d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_begin() { return SubExprs+ARGS_START; } 705d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner arg_iterator arg_end() { return SubExprs+ARGS_START+getNumArgs(); } 7065549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_begin() const { return SubExprs+ARGS_START; } 7075549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_end() const { return SubExprs+ARGS_START+getNumArgs();} 708d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getNumCommas - Return the number of commas that must have been present in 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this function call. 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumCommas() const { return NumArgs ? NumArgs - 1 : 0; } 7125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 713cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// isBuiltinCall - If this is a call to a builtin, return the builtin ID. If 714cb888967400a03504c88acedd5248d6778a82f46Chris Lattner /// not, return 0. 715cb888967400a03504c88acedd5248d6778a82f46Chris Lattner unsigned isBuiltinCall() const; 716cb888967400a03504c88acedd5248d6778a82f46Chris Lattner 717d18b3299debb7b0dbd9d34d9369189dc98c87f53Chris Lattner SourceLocation getRParenLoc() const { return RParenLoc; } 718866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 719866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 72077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getCallee()->getLocStart(), RParenLoc); 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 724b4609806e9232593ece09ce08b630836e825865cDouglas Gregor return T->getStmtClass() == CallExprClass || 725b4609806e9232593ece09ce08b630836e825865cDouglas Gregor T->getStmtClass() == CXXOperatorCallExprClass; 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 72877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 72977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 73077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 73177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 732d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 733ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 734b4609806e9232593ece09ce08b630836e825865cDouglas Gregor static CallExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C, 735b4609806e9232593ece09ce08b630836e825865cDouglas Gregor StmtClass SC); 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 7415549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Base; 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 746510190777c4bd53e960eea4665b204778fec1b64Eli Friedman MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l, 747510190777c4bd53e960eea4665b204778fec1b64Eli Friedman QualType ty) 748510190777c4bd53e960eea4665b204778fec1b64Eli Friedman : Expr(MemberExprClass, ty), 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 750510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 7515549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getBase() const { return cast<Expr>(Base); } 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 758866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 7651237c673c07f9d827129ba02720108816abde562Ted Kremenek 7661237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7671237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7681237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 769bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek 770bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 771e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static MemberExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 774aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 775aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 776aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 7770fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 7780fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 7790fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 7800fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 7815549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Init; 782e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 783aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 784a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner CompoundLiteralExpr(SourceLocation lparenloc, QualType ty, Expr *init, 785a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool fileScope) 786a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner : Expr(CompoundLiteralExprClass, ty), LParenLoc(lparenloc), Init(init), 787a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner FileScope(fileScope) {} 788aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 7895549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getInitializer() const { return cast<Expr>(Init); } 7905549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getInitializer() { return cast<Expr>(Init); } 791e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 792e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 793aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 7940fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 7950fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner 79673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 7970fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 7980fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 7990fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 8000fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 80173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 8020fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 80373d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 804aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 805aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 806aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 807aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 808aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 8091237c673c07f9d827129ba02720108816abde562Ted Kremenek 8101237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8111237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8121237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8134b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek 8144b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 815e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundLiteralExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 816aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 817aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 81849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// CastExpr - Base class for type casts, including both implicit 81949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// casts (ImplicitCastExpr) and explicit casts that have some 82049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// representation in the source code (ExplicitCastExpr's derived 82149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// classes). 8220835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass CastExpr : public Expr { 8230835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Stmt *Op; 8240835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisprotected: 8250835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis CastExpr(StmtClass SC, QualType ty, Expr *op) : 8260835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Expr(SC, ty), Op(op) {} 8270835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 8280835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidispublic: 8290835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis Expr *getSubExpr() { return cast<Expr>(Op); } 8300835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis const Expr *getSubExpr() const { return cast<Expr>(Op); } 8310835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 8320835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const Stmt *T) { 8339d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 8349d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 8359d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 8369d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 8376eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor if (SC >= ImplicitCastExprClass && SC <= CStyleCastExprClass) 8380835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return true; 8399d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 8409d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 8410835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 8420835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const CastExpr *) { return true; } 8430835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 8440835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis // Iterators 8450835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_begin(); 8460835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual child_iterator child_end(); 8470835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis}; 8480835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis 84949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ImplicitCastExpr - Allows us to explicitly represent implicit type 85049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// conversions, which have no direct representation in the original 85149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// source code. For example: converting T[]->T*, void f()->void 85249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (*f)(), float->double, short->int, etc. 85349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 854bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// In C, implicit casts always produce rvalues. However, in C++, an 855bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// implicit cast whose result is being bound to a reference will be 856bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// an lvalue. For example: 857bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// 858bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @code 859bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Base { }; 860bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// class Derived : public Base { }; 861bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// void f(Derived d) { 862bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// Base& b = d; // initializer is an ImplicitCastExpr to an lvalue of type Base 863bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// } 864bf3af056289893f58d37b05a2c80970708781d61Douglas Gregor/// @endcode 8650835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ImplicitCastExpr : public CastExpr { 866eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// LvalueCast - Whether this cast produces an lvalue. 867eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool LvalueCast; 868eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 86949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 870eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor ImplicitCastExpr(QualType ty, Expr *op, bool Lvalue) : 871eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor CastExpr(ImplicitCastExprClass, ty, op), LvalueCast(Lvalue) {} 87290045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 8730835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual SourceRange getSourceRange() const { 8740835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return getSubExpr()->getSourceRange(); 8750835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 87690045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 877eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// isLvalueCast - Whether this cast produces an lvalue. 878eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor bool isLvalueCast() const { return LvalueCast; } 879eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 880eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor /// setLvalueCast - Set whether this cast produces an lvalue. 881eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor void setLvalueCast(bool Lvalue) { LvalueCast = Lvalue; } 882eb8f3063257a392f15aea48d42fb73ec51afc548Douglas Gregor 88349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 88449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 88549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 88649b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 8871237c673c07f9d827129ba02720108816abde562Ted Kremenek 888ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 889e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImplicitCastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 89049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 89149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 89249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// ExplicitCastExpr - An explicit cast written in the source 89349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// code. 89449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// 89549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// This class is effectively an abstract class, because it provides 89649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// the basic representation of an explicitly-written cast without 89749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// specifying which kind of cast (C cast, functional cast, static 89849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast, etc.) was written; specific derived classes represent the 89949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// particular style of cast and its location information. 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 90149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// Unlike implicit casts, explicit cast nodes have two different 90249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// types: the type that was written into the source code, and the 90349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// actual type of the expression as determined by semantic 90449badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// analysis. These types may differ slightly. For example, in C++ one 90549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// can cast to a reference type, which indicates that the resulting 90649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// expression will be an lvalue. The reference type, however, will 90749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// not be used as the type of the expression. 9080835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ExplicitCastExpr : public CastExpr { 90949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// TypeAsWritten - The type that this expression is casting to, as 91049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// written in the source code. 91149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor QualType TypeAsWritten; 91249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 91349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorprotected: 9148320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar ExplicitCastExpr(StmtClass SC, QualType exprTy, Expr *op, QualType writtenTy) 9158320aaaa01d931aa234fc3bce05b399ef41898d5Daniel Dunbar : CastExpr(SC, exprTy, op), TypeAsWritten(writtenTy) {} 91649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 91749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregorpublic: 91849badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// getTypeAsWritten - Returns the type that this expression is 91949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor /// casting to, as written in the source code. 92049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor QualType getTypeAsWritten() const { return TypeAsWritten; } 92149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 92249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const Stmt *T) { 9239d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor StmtClass SC = T->getStmtClass(); 9246eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor if (SC >= ExplicitCastExprClass && SC <= CStyleCastExprClass) 9259d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return true; 9269d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor if (SC >= CXXNamedCastExprClass && SC <= CXXFunctionalCastExprClass) 92749badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor return true; 9289d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor 9299d293dfc0ad7c44ae0b5eb9517f1ed8c8d8b7ff7Douglas Gregor return false; 93049badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor } 93149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor static bool classof(const ExplicitCastExpr *) { return true; } 93249badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor}; 93349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor 9346eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor/// CStyleCastExpr - An explicit cast in C (C99 6.5.4) or a C-style 93549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// cast in C++ (C++ [expr.cast]), which uses the syntax 93649badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor/// (Type)expr. For example: @c (int)f. 9376eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregorclass CStyleCastExpr : public ExplicitCastExpr { 938b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LPLoc; // the location of the left paren 939b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation RPLoc; // the location of the right paren 9405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9416eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor CStyleCastExpr(QualType exprTy, Expr *op, QualType writtenTy, 942b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation l, SourceLocation r) : 943b2f9e516327310d95840d442416084508f80c183Steve Naroff ExplicitCastExpr(CStyleCastExprClass, exprTy, op, writtenTy), 944b2f9e516327310d95840d442416084508f80c183Steve Naroff LPLoc(l), RPLoc(r) {} 94549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 946b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getLParenLoc() const { return LPLoc; } 947b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation getRParenLoc() const { return RPLoc; } 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 950b2f9e516327310d95840d442416084508f80c183Steve Naroff return SourceRange(LPLoc, getSubExpr()->getSourceRange().getEnd()); 9515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 9536eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor return T->getStmtClass() == CStyleCastExprClass; 9545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9556eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor static bool classof(const CStyleCastExpr *) { return true; } 9569971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek 957ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 9586eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor static CStyleCastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 96503d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 9685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 9695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 9705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 9715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 9725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 9735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 9745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 9755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 9765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 9775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 9785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 9795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 9805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 9815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 98417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 98517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 9865549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 98717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 98817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 98917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 9905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 99117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 99217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 99317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 9941237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9951237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 9975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 9985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 100017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 10025549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 10035549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 1017f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 1018f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isRelationalOp(Opcode Opc) { return Opc >= LT && Opc <= GE; } 1019f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isRelationalOp() const { return isRelationalOp(Opc); } 1020f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 1021f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isEqualityOp(Opcode Opc) { return Opc == EQ || Opc == NE; } 1022f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isEqualityOp() const { return isEqualityOp(Opc); } 1023f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 1024f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isLogicalOp(Opcode Opc) { return Opc == LAnd || Opc == LOr; } 1025f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isLogicalOp() const { return isLogicalOp(Opc); } 1026f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 10295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1031eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 1032eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 1033eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 10345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 10361237c673c07f9d827129ba02720108816abde562Ted Kremenek 10371237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10381237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10391237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 10402dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 1041ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1042e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static BinaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 10431237c673c07f9d827129ba02720108816abde562Ted Kremenek 10445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 104517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 104617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 104717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 10481237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 10491237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 10565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 10575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 10595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 10605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 106317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 106417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 106517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 106617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 1075eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 107783efb151a0c1df8cb8fb25d6dbb6c0f12f07f60aTed Kremenek 1078ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1079e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundAssignOperator* CreateImpl(llvm::Deserializer& D, 1080e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop ASTContext& C); 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 10845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 10855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 10871237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 10885549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 10895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 10911237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 10921237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 10931237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 10941237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 10951237c673c07f9d827129ba02720108816abde562Ted Kremenek } 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1097395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 1098395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 10995549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 1100395a2abf0028968d85958610e393e067885dc14fTed Kremenek 1101395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 1102395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 1103395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 1104395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 1105395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 1106395a2abf0028968d85958610e393e067885dc14fTed Kremenek // is only evaluated once. 1107395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 11085549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[LHS] ? SubExprs[LHS] : SubExprs[COND]); 1109395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 1110395a2abf0028968d85958610e393e067885dc14fTed Kremenek 1111395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 1112395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 11135549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFalseExpr() const { return cast<Expr>(SubExprs[RHS]); } 1114395a2abf0028968d85958610e393e067885dc14fTed Kremenek 11155549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast_or_null<Expr>(SubExprs[LHS]); } 11165549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 11225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 11251237c673c07f9d827129ba02720108816abde562Ted Kremenek 11261237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11271237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11281237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1129aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1130ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1131e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ConditionalOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 11325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 11335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11346481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 11356481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 11365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 11375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 11385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11396481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 11406481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 11416481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 11425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 11506481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11526481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 11531237c673c07f9d827129ba02720108816abde562Ted Kremenek 11541237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11551237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11561237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1157aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1158ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1159e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static AddrLabelExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1161ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1162ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 1163ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 1164ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 1165ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 11665549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *SubStmt; 1167ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 1168ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 1169d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 1170d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 1171d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 1172ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 11735549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CompoundStmt *getSubStmt() { return cast<CompoundStmt>(SubStmt); } 11745549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const CompoundStmt *getSubStmt() const { return cast<CompoundStmt>(SubStmt); } 1175ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1176ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 1177ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 1178ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1180ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 1181ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 1182ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 1183ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 11841237c673c07f9d827129ba02720108816abde562Ted Kremenek 11851237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11861237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11871237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1188aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1189ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1190e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StmtExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1191ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 1192ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1193d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 1194d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 1195d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 1196d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 1197d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 1198d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 1199d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 1200363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1201d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 1202363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 1203d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 1204d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 1205363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 1206d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 12077f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 12087f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 1209ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1210d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 1211363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1212d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1213d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 1214d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 1215d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1216d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 12171237c673c07f9d827129ba02720108816abde562Ted Kremenek 12181237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 12191237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 12201237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1221d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1222d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1223d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static TypesCompatibleExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1224d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 1225d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 1226d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// ShuffleVectorExpr - clang-specific builtin-in function 1227d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// __builtin_shufflevector. 1228d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// This AST node represents a operator that does a constant 1229d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// shuffle, similar to LLVM's shufflevector instruction. It takes 1230d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// two vectors and a variable number of constant indices, 1231d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// and returns the appropriately shuffled vector. 1232d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanclass ShuffleVectorExpr : public Expr { 1233d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation BuiltinLoc, RParenLoc; 1234d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1235d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // SubExprs - the list of values passed to the __builtin_shufflevector 1236d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // function. The first two are vectors, and the rest are constant 1237d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // indices. The number of values in this list is always 1238d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // 2+the number of indices in the vector type. 12395549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 1240d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned NumExprs; 1241d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1242d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanpublic: 1243d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman ShuffleVectorExpr(Expr **args, unsigned nexpr, 1244d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman QualType Type, SourceLocation BLoc, 1245d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation RP) : 1246d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr(ShuffleVectorExprClass, Type), BuiltinLoc(BLoc), 1247f809e3bd0c3d063f22ba34981072dae306ca9272Ted Kremenek RParenLoc(RP), NumExprs(nexpr) { 1248f809e3bd0c3d063f22ba34981072dae306ca9272Ted Kremenek 12495549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek SubExprs = new Stmt*[nexpr]; 1250d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman for (unsigned i = 0; i < nexpr; i++) 1251d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SubExprs[i] = args[i]; 1252d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1253d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1254d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual SourceRange getSourceRange() const { 1255d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SourceRange(BuiltinLoc, RParenLoc); 1256d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1257d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const Stmt *T) { 1258d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return T->getStmtClass() == ShuffleVectorExprClass; 1259d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1260d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const ShuffleVectorExpr *) { return true; } 1261d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1262d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman ~ShuffleVectorExpr() { 1263d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman delete [] SubExprs; 1264d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1265d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1266d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1267d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// constant expression, the actual arguments passed in, and the function 1268d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// pointers. 1269d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned getNumSubExprs() const { return NumExprs; } 1270d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1271d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getExpr - Return the Expr at the specified index. 1272d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr *getExpr(unsigned Index) { 1273d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 12745549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 1275d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1276d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman const Expr *getExpr(unsigned Index) const { 1277d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 12785549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 1279d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1280d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1281dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman unsigned getShuffleMaskIdx(ASTContext &Ctx, unsigned N) { 1282dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman assert((N < NumExprs - 2) && "Shuffle idx out of range!"); 1283a5d1cb7ef3f0780540e7fd7180399fd220ef0210Daniel Dunbar return getExpr(N+2)->getIntegerConstantExprValue(Ctx).getZExtValue(); 1284d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1285d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1286d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // Iterators 1287d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_begin(); 1288d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_end(); 1289d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1290d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1291d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static ShuffleVectorExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1292d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman}; 1293d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1294d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 1295d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 1296d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 1297d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 1298d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 1299d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 1300d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 13011237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 13025549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 1303d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1304d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 1305d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 1306d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 1307d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 13081237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 13091237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 13101237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 13111237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 13121237c673c07f9d827129ba02720108816abde562Ted Kremenek } 1313c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 131427437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// isConditionTrue - Return true if the condition is true. This is always 131527437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// statically knowable for a well-formed choosexpr. 131627437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 131727437caadea35f84d550cd29f024fcf3ea240eecChris Lattner 13185549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 13195549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 13205549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 13211237c673c07f9d827129ba02720108816abde562Ted Kremenek 1322d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 1323d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1324d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1325d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 1326d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 1327d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1328d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 13291237c673c07f9d827129ba02720108816abde562Ted Kremenek 13301237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 13311237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 13321237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1333d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1334d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1335d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static ChooseExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1336d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 1337d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 13386a1bc1b95ee31c6892d46a6993b9e2d2d66831eeNate Begeman/// OverloadExpr - Clang builtin function __builtin_overload. 133967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// This AST node provides a way to overload functions in C. 134067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 134167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The first argument is required to be a constant expression, for the number 134267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// of arguments passed to each candidate function. 134367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 134467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The next N arguments, where N is the value of the constant expression, 134567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the values to be passed as arguments. 134667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 134767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The rest of the arguments are values of pointer to function type, which 134867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the candidate functions for overloading. 134967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 135067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The result is a equivalent to a CallExpr taking N arguments to the 135167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// candidate function whose parameter types match the types of the N arguments. 135267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 135367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// example: float Z = __builtin_overload(2, X, Y, modf, mod, modl); 135467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are long doubles, Z will assigned the result of modl(X, Y); 135567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are floats, Z will be assigned the result of modf(X, Y); 1356e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanclass OverloadExpr : public Expr { 135767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExprs - the list of values passed to the __builtin_overload function. 135867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[0] is a constant expression 135967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[1-N] are the parameters to pass to the matching function call 136067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[N-...] are the candidate functions, of type pointer to function. 13615549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 136267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 136367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // NumExprs - the size of the SubExprs array 136467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned NumExprs; 136567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 136667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // The index of the matching candidate function 1367e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman unsigned FnIndex; 136867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1369e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation BuiltinLoc; 1370e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation RParenLoc; 1371e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanpublic: 1372796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman OverloadExpr(Expr **args, unsigned nexprs, unsigned idx, QualType t, 1373e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation bloc, SourceLocation rploc) 1374796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman : Expr(OverloadExprClass, t), NumExprs(nexprs), FnIndex(idx), 137567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman BuiltinLoc(bloc), RParenLoc(rploc) { 13765549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek SubExprs = new Stmt*[nexprs]; 1377796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman for (unsigned i = 0; i != nexprs; ++i) 1378e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SubExprs[i] = args[i]; 1379e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1380e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman ~OverloadExpr() { 1381e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman delete [] SubExprs; 1382e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1383e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 138467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// arg_begin - Return a pointer to the list of arguments that will be passed 138567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// to the matching candidate function, skipping over the initial constant 138667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// expression. 13875549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 13885549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_begin() const { return &SubExprs[0]+1; } 13895549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_end(ASTContext& Ctx) const { 13905549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return &SubExprs[0]+1+getNumArgs(Ctx); 13915549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek } 13925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 139367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// getNumArgs - Return the number of arguments to pass to the candidate 139467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// functions. 139567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumArgs(ASTContext &Ctx) const { 13968070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar return getExpr(0)->getIntegerConstantExprValue(Ctx).getZExtValue(); 139767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman } 139867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1399796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1400796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// constant expression, the actual arguments passed in, and the function 1401796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// pointers. 140267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumSubExprs() const { return NumExprs; } 1403e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1404796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getExpr - Return the Expr at the specified index. 14058070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar Expr *getExpr(unsigned Index) const { 1406796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman assert((Index < NumExprs) && "Arg access out of range!"); 14075549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 1408e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 140967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1410796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getFn - Return the matching candidate function for this OverloadExpr. 14115549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFn() const { return cast<Expr>(SubExprs[FnIndex]); } 1412e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1413e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual SourceRange getSourceRange() const { 1414e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return SourceRange(BuiltinLoc, RParenLoc); 1415e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1416e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const Stmt *T) { 1417e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return T->getStmtClass() == OverloadExprClass; 1418e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1419e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const OverloadExpr *) { return true; } 1420e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1421e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman // Iterators 1422e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_begin(); 1423e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_end(); 142420c77e995d5f1bad8fc59fe9e1883a563d94f535Daniel Dunbar 142520c77e995d5f1bad8fc59fe9e1883a563d94f535Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 142620c77e995d5f1bad8fc59fe9e1883a563d94f535Daniel Dunbar static OverloadExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1427e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman}; 1428e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 14297c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 14307c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 14315549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 14327c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 14337c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 14347c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 14357c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 14367c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 14377c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 14387c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 14397c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 14405549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 14415549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 14427c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 14437c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 14447c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 14457c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 14467c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 14477c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 14487c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 14497c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 14507c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 14517c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 14527c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 1453d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1454d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1455d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static VAArgExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 14567c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 14577c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 1458196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// InitListExpr - used for struct and array initializers, such as: 1459196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// struct foo x = { 1, { 2, 3 } }; 1460196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1461196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// Because C is somewhat loose with braces, the AST does not necessarily 1462196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// directly model the C source. Instead, the semantic analyzer aims to make 1463196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// the InitListExprs match up with the type of the decl being initialized. We 1464196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// have the following exceptions: 1465196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1466196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1. Elements at the end of the list may be dropped from the initializer. 1467196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// These elements are defined to be initialized to zero. For example: 1468196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[20] = { 1 }; 1469196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 2. Initializers may have excess initializers which are to be ignored by the 1470196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// compiler. For example: 1471196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[1] = { 1, 2 }; 14723fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// 3. Redundant InitListExprs may be present around scalar elements. These 14733fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// always have a single element whose type is the same as the InitListExpr. 14743fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// this can only happen for Type::isScalarType() types. 1475196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x = { 1 }; int y[2] = { {1}, {2} }; 1476196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 147766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 14785549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek std::vector<Stmt *> InitExprs; 147966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 1480418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner 1481418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner /// HadDesignators - Return true if there were any designators in this 1482418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner /// init list expr. FIXME: this should be replaced by storing the designators 1483418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner /// somehow and updating codegen. 1484418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner bool HadDesignators; 148566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 148666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 1487418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner SourceLocation rbraceloc, bool HadDesignators); 148866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 1489c5ae899b4bbf65488445316c63168079177db0edSteve Naroff unsigned getNumInits() const { return InitExprs.size(); } 1490418f6c7d142e5ff4607f70cd8431d008442bafe9Chris Lattner bool hadDesignators() const { return HadDesignators; } 149166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 149266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 1493c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 14945549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(InitExprs[Init]); 149566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 149666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 149766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 1498c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 14995549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(InitExprs[Init]); 150066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 150166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 15029e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 1503c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 15049e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 15059e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 1506c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1507c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Dynamic removal/addition (for constructing implicit InitExpr's). 1508c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void removeInit(unsigned Init) { 1509c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.erase(InitExprs.begin()+Init); 1510c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1511c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void addInit(unsigned Init, Expr *expr) { 1512c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.insert(InitExprs.begin()+Init, expr); 1513c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1514c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1515c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 1516c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 1517c5ae899b4bbf65488445316c63168079177db0edSteve Naroff bool isExplicit() { 1518c5ae899b4bbf65488445316c63168079177db0edSteve Naroff return LBraceLoc.isValid() && RBraceLoc.isValid(); 1519c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 15209e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 152166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 152266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 152366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 152466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 152566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 152666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 152766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 152866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 152966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 153066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 153166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 15326336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 15337fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek typedef std::vector<Stmt *>::iterator iterator; 15347fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek typedef std::vector<Stmt *>::reverse_iterator reverse_iterator; 15357fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek 15367fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek iterator begin() { return InitExprs.begin(); } 15377fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek iterator end() { return InitExprs.end(); } 15387fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek reverse_iterator rbegin() { return InitExprs.rbegin(); } 15397fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek reverse_iterator rend() { return InitExprs.rend(); } 15407fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek 15417fcfa4a9b5054bc2a3bc65093f9d2e9e67a70838Ted Kremenek // Serailization. 15426336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1543e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static InitListExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 15446336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 15456336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenekprivate: 15466336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek // Used by serializer. 154728a309e387a0a69b0c055c1565aa147fc695f906Chris Lattner InitListExpr() : Expr(InitListExprClass, QualType()) {} 154866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 154966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 15504eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 15514eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff// Clang Extensions 15524eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 15534eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 1554a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1555a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// ExtVectorElementExpr - This represents access to specific elements of a 1556a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 1557a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 1558a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// 1559a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerclass ExtVectorElementExpr : public Expr { 1560a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Stmt *Base; 1561a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner IdentifierInfo &Accessor; 1562a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation AccessorLoc; 1563a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerpublic: 1564a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner ExtVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 1565a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation loc) 1566a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner : Expr(ExtVectorElementExprClass, ty), 1567a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 1568a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1569a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner const Expr *getBase() const { return cast<Expr>(Base); } 1570a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Expr *getBase() { return cast<Expr>(Base); } 1571a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1572a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 1573a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1574a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getNumElements - Get the number of components being selected. 1575a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner unsigned getNumElements() const; 1576a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1577a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// containsDuplicateElements - Return true if any element access is 1578a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// repeated. 1579a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool containsDuplicateElements() const; 1580a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1581a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into an llvm 1582a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// aggregate Constant of ConstantInt(s). 1583a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner void getEncodedElementAccess(llvm::SmallVectorImpl<unsigned> &Elts) const; 1584a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1585a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual SourceRange getSourceRange() const { 1586a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return SourceRange(getBase()->getLocStart(), AccessorLoc); 1587a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 1588a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1589a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const Stmt *T) { 1590a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return T->getStmtClass() == ExtVectorElementExprClass; 1591a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 1592a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const ExtVectorElementExpr *) { return true; } 1593a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1594a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner // Iterators 1595a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_begin(); 1596a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_end(); 1597d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar 1598d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar virtual void EmitImpl(llvm::Serializer& S) const; 1599d17c24ff8597fe0dee4210639d225bc4f7c5ac04Daniel Dunbar static ExtVectorElementExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1600a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner}; 1601a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1602a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 160356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff/// BlockExpr - Adaptor class for mixing a BlockDecl with expressions. 16049c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff/// ^{ statement-body } or ^(int arg1, float arg2){ statement-body } 16054eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockExpr : public Expr { 160656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffprotected: 160756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *TheBlock; 16084eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 160956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockExpr(BlockDecl *BD, QualType ty) : Expr(BlockExprClass, ty), 161056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff TheBlock(BD) {} 16119c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 161256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *getBlockDecl() { return TheBlock; } 161356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 161456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff // Convenience functions for probing the underlying BlockDecl. 161556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff SourceLocation getCaretLocation() const; 161656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const Stmt *getBody() const; 161756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Stmt *getBody(); 16189c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 16199c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff virtual SourceRange getSourceRange() const { 162056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff return SourceRange(getCaretLocation(), getBody()->getLocEnd()); 16219c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff } 16229c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 162356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff /// getFunctionType - Return the underlying function type for this block. 162456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const FunctionType *getFunctionType() const; 162556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 16264eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const Stmt *T) { 16279c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff return T->getStmtClass() == BlockExprClass; 16284eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 16294eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockExpr *) { return true; } 16304eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16314eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 16324eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 16334eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 163456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 16354eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual void EmitImpl(llvm::Serializer& S) const; 16369c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff static BlockExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 16374eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 16389c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 16394eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// BlockDeclRefExpr - A reference to a declared variable, function, 16404eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// enum, etc. 16414eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockDeclRefExpr : public Expr { 16424eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *D; 16434eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff SourceLocation Loc; 16444eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool IsByRef; 16454eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 16464eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff BlockDeclRefExpr(ValueDecl *d, QualType t, SourceLocation l, bool ByRef) : 16474eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff Expr(BlockDeclRefExprClass, t), D(d), Loc(l), IsByRef(ByRef) {} 16484eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16494eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *getDecl() { return D; } 16504eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff const ValueDecl *getDecl() const { return D; } 16514eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 16524eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16534eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool isByRef() const { return IsByRef; } 16544eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16554eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const Stmt *T) { 16564eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff return T->getStmtClass() == BlockDeclRefExprClass; 16574eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 16584eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockDeclRefExpr *) { return true; } 16594eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16604eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 16614eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 16624eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 16634eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16644eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual void EmitImpl(llvm::Serializer& S) const; 16654eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static BlockDeclRefExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 16664eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 16674eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 16685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 16695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1671