Expr.h revision 56ee6896f2efebffb4a2cce5a7610cdf1eddbbbe
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; 30c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class ValueDecl; 3156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff class BlockDecl; 32c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Expr - This represents one expression. Note that Expr's are subclasses of 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Stmt. This allows an expression to be transparently used any place a Stmt 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is required. 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Expr : public Stmt { 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType TR; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(StmtClass SC, QualType T) : Stmt(SC), TR(T) {} 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getType() const { return TR; } 43fa2eaabd304172dd8afc561f6156a65f8d0e442bSteve Naroff void setType(QualType t) { TR = t; } 4477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// SourceLocation tokens are not useful in isolation - they are low level 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// value objects created/interpreted by SourceManager. We assume AST 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clients will have a pointer to the respective SourceManager. 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const = 0; 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getExprLoc - Return the preferred location for the arrow when diagnosing 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a problem with a generic expression. 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return getLocStart(); } 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLocalSideEffect - Return true if this immediate expression has side 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// effects, not counting any sub-expressions. 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool hasLocalSideEffect() const; 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// incomplete type other than void. Nonarray expressions that can be lvalues: 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - name, where name must be a variable 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e[i] 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - (e), where e must be an lvalue 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e.name, where e must be an lvalue 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - e->name 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - *e, the type of e cannot be a function type 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// - string-constant 6708ad47cbd1f81fcb31dbc731c13b885a07e12704Bill Wendling /// - reference type [C++ [expr]] 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isLvalueResult { 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_Valid, 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_NotObjectType, 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_IncompleteVoidType, 73fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff LV_DuplicateVectorComponents, 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LV_InvalidExpression 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 7628be73f74c9e241a23ea24fe5756623de6bf1084Chris Lattner isLvalueResult isLvalue(ASTContext &Ctx) const; 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// does not have an incomplete type, does not have a const-qualified type, 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// and if it is a structure or union, does not have any member (including, 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// recursively, any member or element of all contained aggregates or unions) 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// with a const-qualified type. 835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum isModifiableLvalueResult { 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_Valid, 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_NotObjectType, 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteVoidType, 87fec0b49c3fa621fbf63e420f3d54a5bb3a0265d2Steve Naroff MLV_DuplicateVectorComponents, 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_InvalidExpression, 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_IncompleteType, 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer MLV_ConstQualified, 914f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_ArrayType, 924f6a7d7ead09b439216c32f2de806a998aeb222aSteve Naroff MLV_NotBlockQualified 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 9428be73f74c9e241a23ea24fe5756623de6bf1084Chris Lattner isModifiableLvalueResult isModifiableLvalue(ASTContext &Ctx) const; 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 96590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isNullPointerConstant(ASTContext &Ctx) const; 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 98cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar /// getIntegerConstantExprValue() - Return the value of an integer 99cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar /// constant expression. The expression must be a valid integer 100cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar /// constant expression as determined by isIntegerConstantExpr. 101cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar llvm::APSInt getIntegerConstantExprValue(ASTContext &Ctx) const { 1028070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 103cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar bool success = isIntegerConstantExpr(X, Ctx); 104a5d1cb7ef3f0780540e7fd7180399fd220ef0210Daniel Dunbar success = success; 105cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar assert(success && "Illegal argument to getIntegerConstantExpr"); 106cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar return X; 107cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar } 108cd8f646eca128f52a7bce0103c51ff82ce96f374Daniel Dunbar 1095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIntegerConstantExpr - Return true if this expression is a valid integer 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// constant expression, and, if so, return its value in Result. If not a 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// valid i-c-e, return false and fill in Loc (if specified) with the location 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the invalid expression. 113590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx, 114590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner SourceLocation *Loc = 0, 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isEvaluated = true) const; 116590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner bool isIntegerConstantExpr(ASTContext &Ctx, SourceLocation *Loc = 0) const { 1178070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar llvm::APSInt X; 118590b6646ef747d2f7b42e5f40487ff07642d7b6fChris Lattner return isIntegerConstantExpr(X, Ctx, Loc); 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12038374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff /// isConstantExpr - Return true if this expression is a valid constant expr. 12138374b05791ee93300b9fbe8ceb3957f54184b37Steve Naroff bool isConstantExpr(ASTContext &Ctx, SourceLocation *Loc) const; 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 123019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// tryEvaluate - Return true if this is a constant which we can fold using 124019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// any crazy technique (that has nothing to do with language standards) that 125019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// we want to. If this function returns true, it returns the folded constant 126019f4e858e78587f2241ff1a76c747d7bcd7578cChris Lattner /// in Result. 127c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson bool tryEvaluate(APValue& Result, ASTContext &Ctx) const; 12845b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner 12945b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// isEvaluatable - Call tryEvaluate to see if this expression can be constant 13045b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner /// folded, but discard the result. 13145b6b9d080ac56917337d73d8f1cd6374b27b05dChris Lattner bool isEvaluatable(ASTContext &Ctx) const; 132c44eec6dd29ee9415cbd38a35deff4c8b67abb6aAnders Carlsson 1332e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek /// hasGlobalStorage - Return true if this expression has static storage 1344cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// duration. This means that the address of this expression is a link-time 1354cc627111453b75519d5130b57e06256da7b00e8Chris Lattner /// constant. 1362e5f54aa1dd15a62c34a9d1d24a5a0692f43934aTed Kremenek bool hasGlobalStorage() const; 1374e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1384e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// IgnoreParens - Ignore parentheses. If this Expr is a ParenExpr, return 1394e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// its subexpression. If that subexpression is also a ParenExpr, 1404e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// then this method recursively returns its subexpression, and so forth. 1414e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek /// Otherwise, the method returns the current Expr. 1424e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek Expr* IgnoreParens(); 14356f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 14456f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// IgnoreParenCasts - Ignore parentheses and casts. Strip off any ParenExpr 14556f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner /// or CastExprs or ImplicitCastExprs, returning their operand. 14656f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner Expr *IgnoreParenCasts(); 1474e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek 1484e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek const Expr* IgnoreParens() const { 1494e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek return const_cast<Expr*>(this)->IgnoreParens(); 1504e99a5fc3b203397a91136c6e695e405fb8fc606Ted Kremenek } 15156f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner const Expr *IgnoreParenCasts() const { 15256f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner return const_cast<Expr*>(this)->IgnoreParenCasts(); 15356f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner } 15456f349400c5932a196509c0480ff6f99a9a0b48fChris Lattner 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() >= firstExprConstant && 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getStmtClass() <= lastExprConstant; 1585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Expr *) { return true; } 1602e7d352dbec06755105237afba183492d31d03cbTed Kremenek 161e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static inline Expr* Create(llvm::Deserializer& D, ASTContext& C) { 162e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop return cast<Expr>(Stmt::Create(D, C)); 1632e7d352dbec06755105237afba183492d31d03cbTed Kremenek } 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 1675549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek// ExprIterator - Iterators for iterating over Stmt* arrays that contain 1685549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek// only Expr*. This is needed because AST nodes use Stmt* arrays to store 1695549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek// references to children (to be compatible with StmtIterator). 1705549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek//===----------------------------------------------------------------------===// 1715549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 1725549976193e34417d4474a5f4a514268ef6666c7Ted Kremenekclass ExprIterator { 1735549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt** I; 1745549976193e34417d4474a5f4a514268ef6666c7Ted Kremenekpublic: 1755549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ExprIterator(Stmt** i) : I(i) {} 1765549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ExprIterator() : I(0) {} 1775549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ExprIterator& operator++() { ++I; return *this; } 1785549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ExprIterator operator-(size_t i) { return I-i; } 1795549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ExprIterator operator+(size_t i) { return I+i; } 1805549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr* operator[](size_t idx) { return cast<Expr>(I[idx]); } 1815549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek // FIXME: Verify that this will correctly return a signed distance. 1825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek signed operator-(const ExprIterator& R) const { return I - R.I; } 1835549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr* operator*() const { return cast<Expr>(*I); } 1845549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr* operator->() const { return cast<Expr>(*I); } 1855549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek bool operator==(const ExprIterator& R) const { return I == R.I; } 1865549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek bool operator!=(const ExprIterator& R) const { return I != R.I; } 1875549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek bool operator>(const ExprIterator& R) const { return I > R.I; } 1885549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek bool operator>=(const ExprIterator& R) const { return I >= R.I; } 1895549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek}; 1905549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 1915549976193e34417d4474a5f4a514268ef6666c7Ted Kremenekclass ConstExprIterator { 1925549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* const * I; 1935549976193e34417d4474a5f4a514268ef6666c7Ted Kremenekpublic: 1945549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ConstExprIterator(Stmt* const* i) : I(i) {} 1955549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ConstExprIterator() : I(0) {} 1965549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ConstExprIterator& operator++() { ++I; return *this; } 1975549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ConstExprIterator operator+(size_t i) { return I+i; } 1985549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek ConstExprIterator operator-(size_t i) { return I-i; } 199b4825df6af2298f9007ee95ab5f16ed4b855ef4aSeo Sanghyeon Expr * operator[](size_t idx) const { return cast<Expr>(I[idx]); } 2005549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek signed operator-(const ConstExprIterator& R) const { return I - R.I; } 201b4825df6af2298f9007ee95ab5f16ed4b855ef4aSeo Sanghyeon Expr * operator*() const { return cast<Expr>(*I); } 202b4825df6af2298f9007ee95ab5f16ed4b855ef4aSeo Sanghyeon Expr * operator->() const { return cast<Expr>(*I); } 2035549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek bool operator==(const ConstExprIterator& R) const { return I == R.I; } 2045549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek bool operator!=(const ConstExprIterator& R) const { return I != R.I; } 2055549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek bool operator>(const ConstExprIterator& R) const { return I > R.I; } 2065549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek bool operator>=(const ConstExprIterator& R) const { return I >= R.I; } 2075549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek}; 2085549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 2095549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 2105549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek//===----------------------------------------------------------------------===// 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Primary Expressions. 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// DeclRefExpr - [C99 6.5.1p2] - A reference to a declared variable, function, 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// enum, etc. 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass DeclRefExpr : public Expr { 2178e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *D; 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2199e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 2209e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidisprotected: 2219e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis DeclRefExpr(StmtClass SC, ValueDecl *d, QualType t, SourceLocation l) : 2229e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis Expr(SC, t), D(d), Loc(l) {} 2239e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis 2245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2258e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff DeclRefExpr(ValueDecl *d, QualType t, SourceLocation l) : 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(DeclRefExprClass, t), D(d), Loc(l) {} 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2288e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff ValueDecl *getDecl() { return D; } 2298e74c93ddaa8268a999e1b25c723dc1984a434b4Steve Naroff const ValueDecl *getDecl() const { return D; } 2309e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis SourceLocation getLocation() const { return Loc; } 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2359e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis return T->getStmtClass() == DeclRefExprClass || 2369e922b1663ecb95dc7eee03002fd66ed18fb3192Argyrios Kyrtzidis T->getStmtClass() == CXXConditionDeclExprClass; 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const DeclRefExpr *) { return true; } 23977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 24077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 24177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 24277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2432dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 244ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 245e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static DeclRefExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 248d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner/// PredefinedExpr - [C99 6.4.2.2] - A predefined identifier such as __func__. 249d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattnerclass PredefinedExpr : public Expr { 250227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 251227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson enum IdentType { 252227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Func, 253227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson Function, 2540d17f6f7b1882850fa56ad38cca0ee518869255bChris Lattner PrettyFunction, 25507952324dda0e758c17f8bc3015793c65c51c48cArgyrios Kyrtzidis CXXThis, 2560d17f6f7b1882850fa56ad38cca0ee518869255bChris Lattner ObjCSuper // super 257227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson }; 258227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 259227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonprivate: 260227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson SourceLocation Loc; 261227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType Type; 262227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlssonpublic: 263d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner PredefinedExpr(SourceLocation l, QualType type, IdentType IT) 264d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner : Expr(PredefinedExprClass, type), Loc(l), Type(IT) {} 265227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 266227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson IdentType getIdentType() const { return Type; } 267227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 268227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 269227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 270227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson static bool classof(const Stmt *T) { 271d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner return T->getStmtClass() == PredefinedExprClass; 272227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson } 273d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static bool classof(const PredefinedExpr *) { return true; } 27477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 27577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 27677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 27777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 2781ba485e582edfc8636afc25a6d7453c869530688Ted Kremenek 279ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 280d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner static PredefinedExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 281227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson}; 282227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IntegerLiteral : public Expr { 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::APInt Value; 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy, LongTy, LongLongTy, UnsignedIntTy, UnsignedLongTy, 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // or UnsignedLongLongTy 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer IntegerLiteral(const llvm::APInt &V, QualType type, SourceLocation l) 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(IntegerLiteralClass, type), Value(V), Loc(l) { 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(type->isIntegerType() && "Illegal type in IntegerLiteral"); 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::APInt &getValue() const { return Value; } 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == IntegerLiteralClass; 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const IntegerLiteral *) { return true; } 30077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 30177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 30277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 30377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3042dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 305ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 306e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static IntegerLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CharacterLiteral : public Expr { 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Value; 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 312c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool IsWide; 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // type should be IntTy 315c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner CharacterLiteral(unsigned value, bool iswide, QualType type, SourceLocation l) 316c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner : Expr(CharacterLiteralClass, type), Value(value), Loc(l), IsWide(iswide) { 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3182eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner SourceLocation getLoc() const { return Loc; } 319c250aae4f645833aed3a6321bc8598f7330dce8dChris Lattner bool isWide() const { return IsWide; } 3202eadfb638eb1bb6ccfd6fd0453e764d47e27eed9Chris Lattner 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getValue() const { return Value; } 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CharacterLiteralClass; 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CharacterLiteral *) { return true; } 32977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 33077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 33177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 33277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 3337338a8299ec393eaf6bb580b5ef9ab2b08b5bd11Ted Kremenek 334ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 335e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CharacterLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FloatingLiteral : public Expr { 339525a05093a4816af961fe2bc6b8a81c17e2e26c2Chris Lattner llvm::APFloat Value; 340720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool IsExact : 1; 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 343720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek FloatingLiteral(const llvm::APFloat &V, bool* isexact, 344720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek QualType Type, SourceLocation L) 345720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek : Expr(FloatingLiteralClass, Type), Value(V), IsExact(*isexact), Loc(L) {} 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 347c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner const llvm::APFloat &getValue() const { return Value; } 348720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek 349720c4ec57b6110873cd533ad434853a27e7c3f4aTed Kremenek bool isExact() const { return IsExact; } 350c9bec4bfea9090a08dd83a7b213f0c8adf8d78ecChris Lattner 351da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// getValueAsApproximateDouble - This returns the value as an inaccurate 352da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// double. Note that this may cause loss of precision, but is useful for 353da8249e57f3badecf925571881fe57243935c6c1Chris Lattner /// debugging dumps, etc. 354da8249e57f3badecf925571881fe57243935c6c1Chris Lattner double getValueAsApproximateDouble() const; 355da8249e57f3badecf925571881fe57243935c6c1Chris Lattner 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == FloatingLiteralClass; 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FloatingLiteral *) { return true; } 36277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 36377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 36477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 36577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 366612c9b9ca73593b3194866c9e1a51554db9752e7Ted Kremenek 367ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 368e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static FloatingLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3715d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// ImaginaryLiteral - We support imaginary integer and floating point literals, 3725d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// like "1.0i". We represent these as a wrapper around FloatingLiteral and 3735d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// IntegerLiteral classes. Instances of this class always have a Complex type 3745d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// whose element type matches the subexpression. 3755d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner/// 3765d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerclass ImaginaryLiteral : public Expr { 3775549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 3785d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattnerpublic: 3795d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner ImaginaryLiteral(Expr *val, QualType Ty) 3805d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner : Expr(ImaginaryLiteralClass, Ty), Val(val) {} 3815d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3825549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 3835549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 3845d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3855d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual SourceRange getSourceRange() const { return Val->getSourceRange(); } 3865d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const Stmt *T) { 3875d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner return T->getStmtClass() == ImaginaryLiteralClass; 3885d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner } 3895d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner static bool classof(const ImaginaryLiteral *) { return true; } 3905d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 3915d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner // Iterators 3925d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_begin(); 3935d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner virtual child_iterator child_end(); 3941c72de1be77fc43cc27e9bf1cbfe7bd25bee2f81Ted Kremenek 395ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 396e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImaginaryLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 3975d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner}; 3985d66145eed1c319df5a69977cb8ff74f597ea544Chris Lattner 399e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// StringLiteral - This represents a string literal expression, e.g. "foo" 400e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// or L"bar" (wide strings). The actual string is returned by getStrData() 401e6a82b2c29ad05534841e5f8fd033fb17b6f61e2Ted Kremenek/// is NOT null-terminated, and the length of the string is determined by 402a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// calling getByteLength(). The C type for a string is always a 403a7ad98ff0919d6a24ea7c46634ea29bea551c1a0Chris Lattner/// ConstantArrayType. 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass StringLiteral : public Expr { 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *StrData; 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ByteLength; 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsWide; 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // if the StringLiteral was composed using token pasting, both locations 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // are needed. If not (the common case), firstTokLoc == lastTokLoc. 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: if space becomes an issue, we should create a sub-class. 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation firstTokLoc, lastTokLoc; 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StringLiteral(const char *strData, unsigned byteLength, bool Wide, 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType t, SourceLocation b, SourceLocation e); 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual ~StringLiteral(); 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *getStrData() const { return StrData; } 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getByteLength() const { return ByteLength; } 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isWide() const { return IsWide; } 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(firstTokLoc,lastTokLoc); 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == StringLiteralClass; 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const StringLiteral *) { return true; } 42877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 42977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 43077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 43177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4327febad7377c04607aa2c744d58af61e1abea6250Ted Kremenek 433ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 434e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StringLiteral* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ParenExpr - This represents a parethesized expression, e.g. "(1)". This 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// AST node is only formed if full location information is requested. 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ParenExpr : public Expr { 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation L, R; 4415549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ParenExpr(SourceLocation l, SourceLocation r, Expr *val) 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(ParenExprClass, val->getType()), L(l), R(r), Val(val) {} 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4465549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 4475549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 448866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { return SourceRange(L, R); } 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ParenExprClass; 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ParenExpr *) { return true; } 45477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 45577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 45677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 45777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 4589eea2ca5f2cb5d77569274702b5b06273e426dc2Ted Kremenek 459ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 460e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ParenExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// UnaryOperator - This represents the unary-expression's (except sizeof of 4655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types), the postinc/postdec operators from postfix-expression, and various 4665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// extensions. 467dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 468dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Notes on various nodes: 469dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 470dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// Real/Imag - These return the real/imag part of a complex operand. If 471dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// applied to a non-complex value, the former returns its operand and the 472dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// later returns zero in the type of the operand. 473dbb36971c68ea944ac4b1fbe2d97fe7cca3b20acChris Lattner/// 47473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// __builtin_offsetof(type, a.b[10]) is represented as a unary operator whose 47573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// subexpression is a compound literal with the various MemberExpr and 47673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// ArraySubscriptExpr's applied to it. 47773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner/// 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass UnaryOperator : public Expr { 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 48013d130c3d225cdb5b1e6d9e86cea12eea718c707Chris Lattner // Note that additions to this should also update the StmtVisitor class. 4815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PostInc, PostDec, // [C99 6.5.2.4] Postfix increment and decrement operators 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PreInc, PreDec, // [C99 6.5.3.1] Prefix increment and decrement operators. 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddrOf, Deref, // [C99 6.5.3.2] Address and indirection operators. 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Plus, Minus, // [C99 6.5.3.3] Unary arithmetic operators. 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Not, LNot, // [C99 6.5.3.3] Unary arithmetic operators. 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOf, AlignOf, // [C99 6.5.3.4] Sizeof (expr, not type) operator. 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Real, Imag, // "__real expr"/"__imag expr" Extension. 48973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner Extension, // __extension__ marker. 49073d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner OffsetOf // __builtin_offsetof 4915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 4935549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode Opc; 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UnaryOperator(Expr *input, Opcode opc, QualType type, SourceLocation l) 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : Expr(UnaryOperatorClass, type), Val(input), Opc(opc), Loc(l) {} 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 5025549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() const { return cast<Expr>(Val); } 5035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOperatorLoc - Return the location of the operator. 5055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getOperatorLoc() const { return Loc; } 5065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isPostfix - Return true if this is a postfix operation, like x++. 5085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isPostfix(Opcode Op); 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5105a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek /// isPostfix - Return true if this is a prefix operation, like --x. 5115a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek static bool isPrefix(Opcode Op); 5125a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek 5135a56ac30d04e8f0431a08980885662a47a6308aaTed Kremenek bool isPrefix() const { return isPrefix(Opc); } 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPostfix() const { return isPostfix(Opc); } 5155d826b82936beb2c32dd02460332ba8035192c65Ted Kremenek bool isIncrementOp() const {return Opc==PreInc || Opc==PostInc; } 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncrementDecrementOp() const { return Opc>=PostInc && Opc<=PreDec; } 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOfAlignOfOp() const { return Opc == SizeOf || Opc == AlignOf; } 5185a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson bool isOffsetOfOp() const { return Opc == OffsetOf; } 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool isArithmeticOp(Opcode Op) { return Op >= Plus && Op <= LNot; } 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "sizeof" or "[pre]++" 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (isPostfix()) 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Val->getLocStart(), Loc); 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(Loc, Val->getLocEnd()); 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return Loc; } 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == UnaryOperatorClass; 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const UnaryOperator *) { return true; } 53777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 5385a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson int64_t evaluateOffsetOf(ASTContext& C) const; 5395a1deb8d9c0722beae28d693fa137bbb942bd11fAnders Carlsson 54077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 54177ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 54277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 5431049436d4b53d928b555f7381bc1639dd302bbc7Ted Kremenek 544ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 545e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static UnaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// SizeOfAlignOfTypeExpr - [C99 6.5.3.4] - This is only for sizeof/alignof of 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// *types*. sizeof(expr) is handled by UnaryOperator. 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SizeOfAlignOfTypeExpr : public Expr { 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeof; // true if sizeof, false if alignof. 5525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Ty; 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation OpLoc, RParenLoc; 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SizeOfAlignOfTypeExpr(bool issizeof, QualType argType, QualType resultType, 5565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation op, SourceLocation rp) : 5575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Expr(SizeOfAlignOfTypeExprClass, resultType), 5585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isSizeof(issizeof), Ty(argType), OpLoc(op), RParenLoc(rp) {} 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5609048891ff983d0681c116c6e8f1073aa31bdd6e8Daniel Dunbar virtual void Destroy(ASTContext& C); 5619048891ff983d0681c116c6e8f1073aa31bdd6e8Daniel Dunbar 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSizeOf() const { return isSizeof; } 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgumentType() const { return Ty; } 56476e773a443be9f006610f46529e07d4c8d857680Chris Lattner 56576e773a443be9f006610f46529e07d4c8d857680Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 566866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 567866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 568866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek return SourceRange(OpLoc, RParenLoc); 569866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek } 5705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 5725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == SizeOfAlignOfTypeExprClass; 5735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const SizeOfAlignOfTypeExpr *) { return true; } 57577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 57677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 57777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 57877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 579ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek 580ea2fe9b435e1b55135de32dcac97366554706ac4Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 581e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static SizeOfAlignOfTypeExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 5825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// Postfix Operators. 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArraySubscriptExpr - [C99 6.5.2.1] Array Subscripting. 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ArraySubscriptExpr : public Expr { 59077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { LHS, RHS, END_EXPR=2 }; 5915549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 5925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RBracketLoc; 5935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 5942324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek ArraySubscriptExpr(Expr *lhs, Expr *rhs, QualType t, 59573d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SourceLocation rbracketloc) 59673d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner : Expr(ArraySubscriptExprClass, t), RBracketLoc(rbracketloc) { 59773d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[LHS] = lhs; 59873d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner SubExprs[RHS] = rhs; 59973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6012324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// An array access can be written A[4] or 4[A] (both are equivalent). 6022324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getBase() and getIdx() always present the normalized view: A[4]. 6032324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// In this case getBase() returns "A" and getIdx() returns "4". 6042324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// - getLHS() and getRHS() present the syntactic view. e.g. for 6052324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek /// 4[A] getLHS() returns "4". 60633fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// Note: Because vector element access is also written A[4] we must 60733fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// predicate the format conversion in getBase and getIdx only on the 60833fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// the type of the RHS, as it is possible for the LHS to be a vector of 60933fd5c124aac15bab7cad95e4e0e7761356d2c06Christopher Lamb /// integer type 6105549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() { return cast<Expr>(SubExprs[LHS]); } 6115549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 61277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 6135549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() { return cast<Expr>(SubExprs[RHS]); } 6145549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 6152324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 61677ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getBase() { 6175549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 61877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 61977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 6202324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek const Expr *getBase() const { 6215549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getLHS():getRHS()); 6222324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 6232324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 62477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek Expr *getIdx() { 6255549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 6262324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek } 6272324512285caac0332bbbc6e4cab6245d2a370a1Ted Kremenek 62877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek const Expr *getIdx() const { 6295549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(getRHS()->getType()->isIntegerType() ? getRHS():getLHS()); 63077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek } 6315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 632866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek virtual SourceRange getSourceRange() const { 63377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek return SourceRange(getLHS()->getLocStart(), RBracketLoc); 6345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 635866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 6365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return RBracketLoc; } 6375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 6395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ArraySubscriptExprClass; 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ArraySubscriptExpr *) { return true; } 64277ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 64377ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 64477ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 64577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 64696fa54fc6dc7f4c8dad1fb22fc7fc4f4d775d6c0Ted Kremenek 647ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 648e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ArraySubscriptExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CallExpr - [C99 6.5.2.2] Function Calls. 6535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 6545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CallExpr : public Expr { 65577ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek enum { FN=0, ARGS_START=1 }; 6565549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 6575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned NumArgs; 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation RParenLoc; 659d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 660d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek // This version of the ctor is for deserialization. 6615549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CallExpr(Stmt** subexprs, unsigned numargs, QualType t, 662d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek SourceLocation rparenloc) 663d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek : Expr(CallExprClass,t), SubExprs(subexprs), 664d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek NumArgs(numargs), RParenLoc(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) { 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == CallExprClass; 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CallExpr *) { return true; } 72777ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek 72877ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek // Iterators 72977ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_begin(); 73077ed8e4edf6ed78c53fb20ec3210aff2a59c9d87Ted Kremenek virtual child_iterator child_end(); 731d7fe4ea296646f049e4ff4cc37aa92ff4014a6b3Ted Kremenek 732ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 733e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CallExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// MemberExpr - [C99 6.5.2.3] Structure and Union Members. 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass MemberExpr : public Expr { 7395549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Base; 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *MemberDecl; 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation MemberLoc; 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool IsArrow; // True if this is "X->F", false if this is "X.F". 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 744510190777c4bd53e960eea4665b204778fec1b64Eli Friedman MemberExpr(Expr *base, bool isarrow, FieldDecl *memberdecl, SourceLocation l, 745510190777c4bd53e960eea4665b204778fec1b64Eli Friedman QualType ty) 746510190777c4bd53e960eea4665b204778fec1b64Eli Friedman : Expr(MemberExprClass, ty), 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow) {} 748510190777c4bd53e960eea4665b204778fec1b64Eli Friedman 7495549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getBase() const { return cast<Expr>(Base); } 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FieldDecl *getMemberDecl() const { return MemberDecl; } 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArrow() const { return IsArrow; } 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getBase()->getLocStart(), MemberLoc); 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 756866b5c03e3b9c01cf496ad97b85a05afc917345bTed Kremenek 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceLocation getExprLoc() const { return MemberLoc; } 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == MemberExprClass; 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const MemberExpr *) { return true; } 7631237c673c07f9d827129ba02720108816abde562Ted Kremenek 7641237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 7651237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 7661237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 767bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek 768bd57e7c4754c0ce5d7d460041c8fd613e45c4319Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 769e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static MemberExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 772aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// CompoundLiteralExpr - [C99 6.5.2.5] 773aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff/// 774aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffclass CompoundLiteralExpr : public Expr { 7750fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// LParenLoc - If non-null, this is the location of the left paren in a 7760fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// compound literal like "(int){4}". This can be null if this is a 7770fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner /// synthesized compound expression. 7780fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation LParenLoc; 7795549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Init; 780e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool FileScope; 781aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroffpublic: 782a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner CompoundLiteralExpr(SourceLocation lparenloc, QualType ty, Expr *init, 783a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool fileScope) 784a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner : Expr(CompoundLiteralExprClass, ty), LParenLoc(lparenloc), Init(init), 785a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner FileScope(fileScope) {} 786aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 7875549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getInitializer() const { return cast<Expr>(Init); } 7885549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getInitializer() { return cast<Expr>(Init); } 789e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff 790e9b12198c4cc7f5687960100351b4af006c14469Steve Naroff bool isFileScope() const { return FileScope; } 791aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 7920fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner SourceLocation getLParenLoc() const { return LParenLoc; } 7930fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner 79473d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner virtual SourceRange getSourceRange() const { 7950fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner // FIXME: Init should never be null. 7960fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (!Init) 7970fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(); 7980fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner if (LParenLoc.isInvalid()) 79973d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner return Init->getSourceRange(); 8000fc53dfc7a33f68e71ef245389c4e7cd34a62a39Chris Lattner return SourceRange(LParenLoc, Init->getLocEnd()); 80173d0d4fac161ed12926e010dcf8b448a8de6a2ecChris Lattner } 802aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 803aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const Stmt *T) { 804aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff return T->getStmtClass() == CompoundLiteralExprClass; 805aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff } 806aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff static bool classof(const CompoundLiteralExpr *) { return true; } 8071237c673c07f9d827129ba02720108816abde562Ted Kremenek 8081237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 8091237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 8101237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 8114b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek 8124b7d9ca9fd65a5a68e907b1b7effe33bf1e93629Ted Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 813e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundLiteralExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 814aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff}; 815aff1edd84aaafef15b737acd8ec61abcca6d6bc3Steve Naroff 8160835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis/// CastExpr - Base class for Cast Operators (explicit, implicit, etc.). 8170835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis/// Classes that derive from CastExpr are: 8180835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis/// 8190835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis/// ImplicitCastExpr 8200835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis/// ExplicitCastExpr 8210835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis/// 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) { 8330835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis switch (T->getStmtClass()) { 8340835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis case ImplicitCastExprClass: 8350835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis case ExplicitCastExprClass: 836cb6accb4659af86627ce43f7a90bc92f763b075eArgyrios Kyrtzidis case CXXFunctionalCastExprClass: 8370835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return true; 8380835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis default: 8390835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return false; 8400835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 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 84949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// ImplicitCastExpr - Allows us to explicitly represent implicit type 85049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// conversions. For example: converting T[]->T*, void f()->void (*f)(), 85149b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// float->double, short->int, etc. 85249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff/// 8530835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ImplicitCastExpr : public CastExpr { 85449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroffpublic: 85549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff ImplicitCastExpr(QualType ty, Expr *op) : 8560835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis CastExpr(ImplicitCastExprClass, ty, op) {} 85790045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 8580835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis virtual SourceRange getSourceRange() const { 8590835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return getSubExpr()->getSourceRange(); 8600835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis } 86190045e8ebabf50d6f1b3a67081a621b20b5e5341Steve Naroff 86249b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const Stmt *T) { 86349b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff return T->getStmtClass() == ImplicitCastExprClass; 86449b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff } 86549b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff static bool classof(const ImplicitCastExpr *) { return true; } 8661237c673c07f9d827129ba02720108816abde562Ted Kremenek 867ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 868e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ImplicitCastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 86949b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff}; 87049b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 8710835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis/// ExplicitCastExpr - [C99 6.5.4] Cast Operators. 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8730835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidisclass ExplicitCastExpr : public CastExpr { 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; // the location of the left paren 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8760835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis ExplicitCastExpr(QualType ty, Expr *op, SourceLocation l) : 8770835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis CastExpr(ExplicitCastExprClass, ty, op), Loc(l) {} 87849b4526992a8c8a6a290aa3efa9828154a24af8dSteve Naroff 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLParenLoc() const { return Loc; } 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 882311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner return SourceRange(Loc, getSubExpr()->getSourceRange().getEnd()); 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 8850835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis return T->getStmtClass() == ExplicitCastExprClass; 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8870835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static bool classof(const ExplicitCastExpr *) { return true; } 8889971c9ace70624987cd74645a75f4bfbc05afdf2Ted Kremenek 889ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 8900835a3cdeefe714b4959d31127ea155e56393125Argyrios Kyrtzidis static ExplicitCastExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BinaryOperator : public Expr { 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Opcode { 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Operators listed in order of precedence. 89703d6fb99224c36935c9af9f4785cb33453c99b2bChris Lattner // Note that additions to this should also update the StmtVisitor class. 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Mul, Div, Rem, // [C99 6.5.5] Multiplicative operators. 8995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Add, Sub, // [C99 6.5.6] Additive operators. 9005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Shl, Shr, // [C99 6.5.7] Bitwise shift operators. 9015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LT, GT, LE, GE, // [C99 6.5.8] Relational operators. 9025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer EQ, NE, // [C99 6.5.9] Equality operators. 9035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer And, // [C99 6.5.10] Bitwise AND operator. 9045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Xor, // [C99 6.5.11] Bitwise XOR operator. 9055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Or, // [C99 6.5.12] Bitwise OR operator. 9065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LAnd, // [C99 6.5.13] Logical AND operator. 9075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LOr, // [C99 6.5.14] Logical OR operator. 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Assign, MulAssign,// [C99 6.5.16] Assignment operators. 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DivAssign, RemAssign, 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AddAssign, SubAssign, 9115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ShlAssign, ShrAssign, 9125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer AndAssign, XorAssign, 9135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer OrAssign, 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Comma // [C99 6.5.17] Comma operator. 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 91617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerprivate: 91717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner enum { LHS, RHS, END_EXPR }; 9185549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; 91917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner Opcode Opc; 92017d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc; 92117d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattnerpublic: 9225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 92317d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 92417d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation opLoc) 92517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(BinaryOperatorClass, ResTy), Opc(opc), OpLoc(opLoc) { 9261237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9271237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isCompoundAssignmentOp() && 9295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Use ArithAssignBinaryOperator for compound assignments"); 9305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 93217d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation getOperatorLoc() const { return OpLoc; } 9335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Opcode getOpcode() const { return Opc; } 9345549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 9355549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 9375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getLHS()->getLocStart(), getRHS()->getLocEnd()); 9385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getOpcodeStr - Turn an Opcode enum value into the punctuation char it 9415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// corresponds to, e.g. "<<=". 9425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static const char *getOpcodeStr(Opcode Op); 9435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// predicates to categorize the respective opcodes. 9455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isMultiplicativeOp() const { return Opc >= Mul && Opc <= Rem; } 9465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAdditiveOp() const { return Opc == Add || Opc == Sub; } 9475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftOp() const { return Opc == Shl || Opc == Shr; } 9485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitwiseOp() const { return Opc >= And && Opc <= Or; } 949f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 950f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isRelationalOp(Opcode Opc) { return Opc >= LT && Opc <= GE; } 951f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isRelationalOp() const { return isRelationalOp(Opc); } 952f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 953f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isEqualityOp(Opcode Opc) { return Opc == EQ || Opc == NE; } 954f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isEqualityOp() const { return isEqualityOp(Opc); } 955f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 956f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek static bool isLogicalOp(Opcode Opc) { return Opc == LAnd || Opc == LOr; } 957f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek bool isLogicalOp() const { return isLogicalOp(Opc); } 958f2da7a06f6b98c3886d9b871ab839f5085b1c238Ted Kremenek 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isAssignmentOp() const { return Opc >= Assign && Opc <= OrAssign; } 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isCompoundAssignmentOp() const { return Opc > Assign && Opc <= OrAssign;} 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isShiftAssignOp() const { return Opc == ShlAssign || Opc == ShrAssign; } 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 963eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner static bool classof(const Stmt *S) { 964eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == BinaryOperatorClass || 965eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner S->getStmtClass() == CompoundAssignOperatorClass; 9665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BinaryOperator *) { return true; } 9681237c673c07f9d827129ba02720108816abde562Ted Kremenek 9691237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 9701237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 9711237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 9722dc9ac73a8a34cabf261a81a1653d7379065ac61Ted Kremenek 973ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 974e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static BinaryOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 9751237c673c07f9d827129ba02720108816abde562Ted Kremenek 9765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 97717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner BinaryOperator(Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, 97817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation oploc, bool dead) 97917d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : Expr(CompoundAssignOperatorClass, ResTy), Opc(opc), OpLoc(oploc) { 9801237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 9811237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 9825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CompoundAssignOperator - For compound assignments (e.g. +=), we keep 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// track of the type the operation is performed in. Due to the semantics of 9875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// these operators, the operands are promoted, the aritmetic performed, an 9885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// implicit conversion back to the result type done, then the assignment takes 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// place. This captures the intermediate type which the computation is done 9905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// in. 9915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CompoundAssignOperator : public BinaryOperator { 9925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ComputationType; 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 9945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CompoundAssignOperator(Expr *lhs, Expr *rhs, Opcode opc, 99517d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner QualType ResType, QualType CompType, 99617d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner SourceLocation OpLoc) 99717d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner : BinaryOperator(lhs, rhs, opc, ResType, OpLoc, true), 99817d1b2ac9f8371a0a2e79d4f8e0008658164f080Chris Lattner ComputationType(CompType) { 9995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isCompoundAssignmentOp() && 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer "Only should be used for compound assignments"); 10015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getComputationType() const { return ComputationType; } 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const CompoundAssignOperator *) { return true; } 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *S) { 1007eb14fe839ec24c2ca14e5f094be147a34e3d3339Chris Lattner return S->getStmtClass() == CompoundAssignOperatorClass; 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 100983efb151a0c1df8cb8fb25d6dbb6c0f12f07f60aTed Kremenek 1010ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1011e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static CompoundAssignOperator* CreateImpl(llvm::Deserializer& D, 1012e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop ASTContext& C); 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ConditionalOperator - The ?: operator. Note that LHS may be null when the 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// GNU "missing LHS" extension is in use. 10175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ConditionalOperator : public Expr { 10191237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 10205549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ConditionalOperator(Expr *cond, Expr *lhs, Expr *rhs, QualType t) 10231237c673c07f9d827129ba02720108816abde562Ted Kremenek : Expr(ConditionalOperatorClass, t) { 10241237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 10251237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 10261237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 10271237c673c07f9d827129ba02720108816abde562Ted Kremenek } 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1029395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getCond - Return the expression representing the condition for 1030395a2abf0028968d85958610e393e067885dc14fTed Kremenek // the ?: operator. 10315549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 1032395a2abf0028968d85958610e393e067885dc14fTed Kremenek 1033395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 1034395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to true. In most cases this value 1035395a2abf0028968d85958610e393e067885dc14fTed Kremenek // will be the same as getLHS() except a GCC extension allows the left 1036395a2abf0028968d85958610e393e067885dc14fTed Kremenek // subexpression to be omitted, and instead of the condition be returned. 1037395a2abf0028968d85958610e393e067885dc14fTed Kremenek // e.g: x ?: y is shorthand for x ? x : y, except that the expression "x" 1038395a2abf0028968d85958610e393e067885dc14fTed Kremenek // is only evaluated once. 1039395a2abf0028968d85958610e393e067885dc14fTed Kremenek Expr *getTrueExpr() const { 10405549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[LHS] ? SubExprs[LHS] : SubExprs[COND]); 1041395a2abf0028968d85958610e393e067885dc14fTed Kremenek } 1042395a2abf0028968d85958610e393e067885dc14fTed Kremenek 1043395a2abf0028968d85958610e393e067885dc14fTed Kremenek // getTrueExpr - Return the subexpression representing the value of the ?: 1044395a2abf0028968d85958610e393e067885dc14fTed Kremenek // expression if the condition evaluates to false. This is the same as getRHS. 10455549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFalseExpr() const { return cast<Expr>(SubExprs[RHS]); } 1046395a2abf0028968d85958610e393e067885dc14fTed Kremenek 10475549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast_or_null<Expr>(SubExprs[LHS]); } 10485549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(getCond()->getLocStart(), getRHS()->getLocEnd()); 10525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getStmtClass() == ConditionalOperatorClass; 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ConditionalOperator *) { return true; } 10571237c673c07f9d827129ba02720108816abde562Ted Kremenek 10581237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10591237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10601237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1061aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1062ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1063e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static ConditionalOperator* CreateImpl(llvm::Deserializer& D, ASTContext& C); 10645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10666481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner/// AddrLabelExpr - The GNU address of label extension, representing &&label. 10676481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattnerclass AddrLabelExpr : public Expr { 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation AmpAmpLoc, LabelLoc; 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *Label; 10705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10716481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner AddrLabelExpr(SourceLocation AALoc, SourceLocation LLoc, LabelStmt *L, 10726481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner QualType t) 10736481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner : Expr(AddrLabelExprClass, t), AmpAmpLoc(AALoc), LabelLoc(LLoc), Label(L) {} 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer virtual SourceRange getSourceRange() const { 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return SourceRange(AmpAmpLoc, LabelLoc); 10775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LabelStmt *getLabel() const { return Label; } 10805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Stmt *T) { 10826481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return T->getStmtClass() == AddrLabelExprClass; 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10846481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner static bool classof(const AddrLabelExpr *) { return true; } 10851237c673c07f9d827129ba02720108816abde562Ted Kremenek 10861237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 10871237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 10881237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1089aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1090ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1091e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static AddrLabelExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 10925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1093ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1094ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}). 1095ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// The StmtExpr contains a single CompoundStmt node, which it evaluates and 1096ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner/// takes the value of the last subexpression. 1097ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerclass StmtExpr : public Expr { 10985549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *SubStmt; 1099ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner SourceLocation LParenLoc, RParenLoc; 1100ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattnerpublic: 1101d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff StmtExpr(CompoundStmt *substmt, QualType T, 1102d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff SourceLocation lp, SourceLocation rp) : 1103d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(StmtExprClass, T), SubStmt(substmt), LParenLoc(lp), RParenLoc(rp) { } 1104ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 11055549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CompoundStmt *getSubStmt() { return cast<CompoundStmt>(SubStmt); } 11065549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const CompoundStmt *getSubStmt() const { return cast<CompoundStmt>(SubStmt); } 1107ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1108ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner virtual SourceRange getSourceRange() const { 1109ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return SourceRange(LParenLoc, RParenLoc); 1110ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 11115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1112ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const Stmt *T) { 1113ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner return T->getStmtClass() == StmtExprClass; 1114ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner } 1115ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner static bool classof(const StmtExpr *) { return true; } 11161237c673c07f9d827129ba02720108816abde562Ted Kremenek 11171237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11181237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11191237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1120aa33763cc3dfa2fcb4fdb3c5b4be0c37f8d8f8e9Ted Kremenek 1121ec0aa78745f7b3bc96c20fffd1115bf26aaa0eadTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1122e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static StmtExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 1123ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner}; 1124ab18c4c0ac1a46a38aa84c2c8ea485612e21a614Chris Lattner 1125d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// TypesCompatibleExpr - GNU builtin-in function __builtin_type_compatible_p. 1126d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// This AST node represents a function that returns 1 if two *types* (not 1127d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// expressions) are compatible. The result of this built-in function can be 1128d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff/// used in integer constant expressions. 1129d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffclass TypesCompatibleExpr : public Expr { 1130d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type1; 1131d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType Type2; 1132363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1133d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroffpublic: 1134363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff TypesCompatibleExpr(QualType ReturnType, SourceLocation BLoc, 1135d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff QualType t1, QualType t2, SourceLocation RP) : 1136d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff Expr(TypesCompatibleExprClass, ReturnType), Type1(t1), Type2(t2), 1137363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff BuiltinLoc(BLoc), RParenLoc(RP) {} 1138d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 11397f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType1() const { return Type1; } 11407f28fe8e00ec4fac17977374d8da491f873a3b05Steve Naroff QualType getArgType2() const { return Type2; } 1141ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff 1142d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff virtual SourceRange getSourceRange() const { 1143363bcff47df2fda3cfcfcd994b7888157df58c43Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1144d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1145d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const Stmt *T) { 1146d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff return T->getStmtClass() == TypesCompatibleExprClass; 1147d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff } 1148d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff static bool classof(const TypesCompatibleExpr *) { return true; } 11491237c673c07f9d827129ba02720108816abde562Ted Kremenek 11501237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 11511237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 11521237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1153d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff}; 1154d34e915f33224c508ad55fbf975bd10b7876e197Steve Naroff 1155d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// ShuffleVectorExpr - clang-specific builtin-in function 1156d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// __builtin_shufflevector. 1157d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// This AST node represents a operator that does a constant 1158d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// shuffle, similar to LLVM's shufflevector instruction. It takes 1159d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// two vectors and a variable number of constant indices, 1160d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman/// and returns the appropriately shuffled vector. 1161d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanclass ShuffleVectorExpr : public Expr { 1162d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation BuiltinLoc, RParenLoc; 1163d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1164d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // SubExprs - the list of values passed to the __builtin_shufflevector 1165d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // function. The first two are vectors, and the rest are constant 1166d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // indices. The number of values in this list is always 1167d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // 2+the number of indices in the vector type. 11685549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 1169d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned NumExprs; 1170d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1171d38617c8a50f9729c254ab76cd359af797c6739bEli Friedmanpublic: 1172d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman ShuffleVectorExpr(Expr **args, unsigned nexpr, 1173d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman QualType Type, SourceLocation BLoc, 1174d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SourceLocation RP) : 1175d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr(ShuffleVectorExprClass, Type), BuiltinLoc(BLoc), 1176f809e3bd0c3d063f22ba34981072dae306ca9272Ted Kremenek RParenLoc(RP), NumExprs(nexpr) { 1177f809e3bd0c3d063f22ba34981072dae306ca9272Ted Kremenek 11785549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek SubExprs = new Stmt*[nexpr]; 1179d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman for (unsigned i = 0; i < nexpr; i++) 1180d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman SubExprs[i] = args[i]; 1181d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1182d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1183d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual SourceRange getSourceRange() const { 1184d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return SourceRange(BuiltinLoc, RParenLoc); 1185d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1186d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const Stmt *T) { 1187d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman return T->getStmtClass() == ShuffleVectorExprClass; 1188d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1189d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman static bool classof(const ShuffleVectorExpr *) { return true; } 1190d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1191d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman ~ShuffleVectorExpr() { 1192d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman delete [] SubExprs; 1193d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1194d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1195d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1196d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// constant expression, the actual arguments passed in, and the function 1197d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// pointers. 1198d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman unsigned getNumSubExprs() const { return NumExprs; } 1199d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1200d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman /// getExpr - Return the Expr at the specified index. 1201d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman Expr *getExpr(unsigned Index) { 1202d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 12035549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 1204d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1205d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman const Expr *getExpr(unsigned Index) const { 1206d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman assert((Index < NumExprs) && "Arg access out of range!"); 12075549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 1208d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1209d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1210dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman unsigned getShuffleMaskIdx(ASTContext &Ctx, unsigned N) { 1211dde8c94873976632e3ada4d8d067e1e244184d51Eli Friedman assert((N < NumExprs - 2) && "Shuffle idx out of range!"); 1212a5d1cb7ef3f0780540e7fd7180399fd220ef0210Daniel Dunbar return getExpr(N+2)->getIntegerConstantExprValue(Ctx).getZExtValue(); 1213d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman } 1214d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1215d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman // Iterators 1216d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_begin(); 1217d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman virtual child_iterator child_end(); 1218d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman}; 1219d38617c8a50f9729c254ab76cd359af797c6739bEli Friedman 1220d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// ChooseExpr - GNU builtin-in function __builtin_choose_expr. 1221d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// This AST node is similar to the conditional operator (?:) in C, with 1222d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// the following exceptions: 1223d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the test expression much be a constant expression. 1224d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - the expression returned has it's type unaltered by promotion rules. 1225d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff/// - does not evaluate the expression that was not chosen. 1226d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffclass ChooseExpr : public Expr { 12271237c673c07f9d827129ba02720108816abde562Ted Kremenek enum { COND, LHS, RHS, END_EXPR }; 12285549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt* SubExprs[END_EXPR]; // Left/Middle/Right hand sides. 1229d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation BuiltinLoc, RParenLoc; 1230d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroffpublic: 1231d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff ChooseExpr(SourceLocation BLoc, Expr *cond, Expr *lhs, Expr *rhs, QualType t, 1232d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff SourceLocation RP) 1233d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff : Expr(ChooseExprClass, t), 12341237c673c07f9d827129ba02720108816abde562Ted Kremenek BuiltinLoc(BLoc), RParenLoc(RP) { 12351237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[COND] = cond; 12361237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[LHS] = lhs; 12371237c673c07f9d827129ba02720108816abde562Ted Kremenek SubExprs[RHS] = rhs; 12381237c673c07f9d827129ba02720108816abde562Ted Kremenek } 1239c1b607db38501f73c8e1461fc749a6b0e469f157Chris Lattner 124027437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// isConditionTrue - Return true if the condition is true. This is always 124127437caadea35f84d550cd29f024fcf3ea240eecChris Lattner /// statically knowable for a well-formed choosexpr. 124227437caadea35f84d550cd29f024fcf3ea240eecChris Lattner bool isConditionTrue(ASTContext &C) const; 124327437caadea35f84d550cd29f024fcf3ea240eecChris Lattner 12445549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getCond() const { return cast<Expr>(SubExprs[COND]); } 12455549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getLHS() const { return cast<Expr>(SubExprs[LHS]); } 12465549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getRHS() const { return cast<Expr>(SubExprs[RHS]); } 12471237c673c07f9d827129ba02720108816abde562Ted Kremenek 1248d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff virtual SourceRange getSourceRange() const { 1249d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return SourceRange(BuiltinLoc, RParenLoc); 1250d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1251d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const Stmt *T) { 1252d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff return T->getStmtClass() == ChooseExprClass; 1253d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff } 1254d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff static bool classof(const ChooseExpr *) { return true; } 12551237c673c07f9d827129ba02720108816abde562Ted Kremenek 12561237c673c07f9d827129ba02720108816abde562Ted Kremenek // Iterators 12571237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_begin(); 12581237c673c07f9d827129ba02720108816abde562Ted Kremenek virtual child_iterator child_end(); 1259d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff}; 1260d04fdd5f99f985abf2e7b7d7d4d427eebe001e55Steve Naroff 12616a1bc1b95ee31c6892d46a6993b9e2d2d66831eeNate Begeman/// OverloadExpr - Clang builtin function __builtin_overload. 126267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// This AST node provides a way to overload functions in C. 126367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 126467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The first argument is required to be a constant expression, for the number 126567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// of arguments passed to each candidate function. 126667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 126767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The next N arguments, where N is the value of the constant expression, 126867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the values to be passed as arguments. 126967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 127067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The rest of the arguments are values of pointer to function type, which 127167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// are the candidate functions for overloading. 127267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 127367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// The result is a equivalent to a CallExpr taking N arguments to the 127467295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// candidate function whose parameter types match the types of the N arguments. 127567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// 127667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// example: float Z = __builtin_overload(2, X, Y, modf, mod, modl); 127767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are long doubles, Z will assigned the result of modl(X, Y); 127867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman/// If X and Y are floats, Z will be assigned the result of modf(X, Y); 1279e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanclass OverloadExpr : public Expr { 128067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExprs - the list of values passed to the __builtin_overload function. 128167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[0] is a constant expression 128267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[1-N] are the parameters to pass to the matching function call 128367295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // SubExpr[N-...] are the candidate functions, of type pointer to function. 12845549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt **SubExprs; 128567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 128667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // NumExprs - the size of the SubExprs array 128767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned NumExprs; 128867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 128967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman // The index of the matching candidate function 1290e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman unsigned FnIndex; 129167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1292e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation BuiltinLoc; 1293e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation RParenLoc; 1294e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begemanpublic: 1295796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman OverloadExpr(Expr **args, unsigned nexprs, unsigned idx, QualType t, 1296e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SourceLocation bloc, SourceLocation rploc) 1297796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman : Expr(OverloadExprClass, t), NumExprs(nexprs), FnIndex(idx), 129867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman BuiltinLoc(bloc), RParenLoc(rploc) { 12995549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek SubExprs = new Stmt*[nexprs]; 1300796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman for (unsigned i = 0; i != nexprs; ++i) 1301e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman SubExprs[i] = args[i]; 1302e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1303e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman ~OverloadExpr() { 1304e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman delete [] SubExprs; 1305e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1306e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 130767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// arg_begin - Return a pointer to the list of arguments that will be passed 130867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// to the matching candidate function, skipping over the initial constant 130967295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// expression. 13105549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek typedef ConstExprIterator const_arg_iterator; 13115549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_begin() const { return &SubExprs[0]+1; } 13125549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const_arg_iterator arg_end(ASTContext& Ctx) const { 13135549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return &SubExprs[0]+1+getNumArgs(Ctx); 13145549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek } 13155549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 131667295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// getNumArgs - Return the number of arguments to pass to the candidate 131767295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman /// functions. 131867295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumArgs(ASTContext &Ctx) const { 13198070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar return getExpr(0)->getIntegerConstantExprValue(Ctx).getZExtValue(); 132067295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman } 132167295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1322796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getNumSubExprs - Return the size of the SubExprs array. This includes the 1323796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// constant expression, the actual arguments passed in, and the function 1324796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// pointers. 132567295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman unsigned getNumSubExprs() const { return NumExprs; } 1326e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1327796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getExpr - Return the Expr at the specified index. 13288070a8497c0fb3e6f70a557f788405d8945b1208Daniel Dunbar Expr *getExpr(unsigned Index) const { 1329796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman assert((Index < NumExprs) && "Arg access out of range!"); 13305549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(SubExprs[Index]); 1331e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 133267295d05c50ab0b5d1b0f9ef82a906701c348715Nate Begeman 1333796ef3d4a32ce8d9e76df0d5bcab07db97883064Nate Begeman /// getFn - Return the matching candidate function for this OverloadExpr. 13345549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getFn() const { return cast<Expr>(SubExprs[FnIndex]); } 1335e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1336e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual SourceRange getSourceRange() const { 1337e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return SourceRange(BuiltinLoc, RParenLoc); 1338e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1339e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const Stmt *T) { 1340e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman return T->getStmtClass() == OverloadExprClass; 1341e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman } 1342e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman static bool classof(const OverloadExpr *) { return true; } 1343e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 1344e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman // Iterators 1345e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_begin(); 1346e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman virtual child_iterator child_end(); 1347e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman}; 1348e2ce1d9440186cf3332368291cd884a6e3ae8946Nate Begeman 13497c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson/// VAArgExpr, used for the builtin function __builtin_va_start. 13507c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonclass VAArgExpr : public Expr { 13515549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Stmt *Val; 13527c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson SourceLocation BuiltinLoc, RParenLoc; 13537c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlssonpublic: 13547c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson VAArgExpr(SourceLocation BLoc, Expr* e, QualType t, SourceLocation RPLoc) 13557c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson : Expr(VAArgExprClass, t), 13567c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson Val(e), 13577c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson BuiltinLoc(BLoc), 13587c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson RParenLoc(RPLoc) { } 13597c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 13605549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek const Expr *getSubExpr() const { return cast<Expr>(Val); } 13615549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek Expr *getSubExpr() { return cast<Expr>(Val); } 13627c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual SourceRange getSourceRange() const { 13637c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return SourceRange(BuiltinLoc, RParenLoc); 13647c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 13657c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const Stmt *T) { 13667c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson return T->getStmtClass() == VAArgExprClass; 13677c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson } 13687c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson static bool classof(const VAArgExpr *) { return true; } 13697c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 13707c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson // Iterators 13717c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_begin(); 13727c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson virtual child_iterator child_end(); 13737c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson}; 13747c50aca2fe36f6daa9bf1c8c428f30e72f96470aAnders Carlsson 1375196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// InitListExpr - used for struct and array initializers, such as: 1376196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// struct foo x = { 1, { 2, 3 } }; 1377196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1378196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// Because C is somewhat loose with braces, the AST does not necessarily 1379196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// directly model the C source. Instead, the semantic analyzer aims to make 1380196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// the InitListExprs match up with the type of the decl being initialized. We 1381196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// have the following exceptions: 1382196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1383196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 1. Elements at the end of the list may be dropped from the initializer. 1384196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// These elements are defined to be initialized to zero. For example: 1385196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[20] = { 1 }; 1386196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 2. Initializers may have excess initializers which are to be ignored by the 1387196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// compiler. For example: 1388196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x[1] = { 1, 2 }; 13893fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// 3. Redundant InitListExprs may be present around scalar elements. These 13903fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// always have a single element whose type is the same as the InitListExpr. 13913fd1dfa22f2642c627ad2139b048b99fc5507ef3Chris Lattner/// this can only happen for Type::isScalarType() types. 1392196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// int x = { 1 }; int y[2] = { {1}, {2} }; 1393196ef51bc4d008ec1c69851fb3b0f8d036065931Chris Lattner/// 139466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonclass InitListExpr : public Expr { 13955549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek std::vector<Stmt *> InitExprs; 139666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation LBraceLoc, RBraceLoc; 139766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlssonpublic: 139866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson InitListExpr(SourceLocation lbraceloc, Expr **initexprs, unsigned numinits, 139966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson SourceLocation rbraceloc); 140066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 1401c5ae899b4bbf65488445316c63168079177db0edSteve Naroff unsigned getNumInits() const { return InitExprs.size(); } 140266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 140366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson const Expr* getInit(unsigned Init) const { 1404c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 14055549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(InitExprs[Init]); 140666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 140766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 140866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson Expr* getInit(unsigned Init) { 1409c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 14105549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek return cast<Expr>(InitExprs[Init]); 141166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 141266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 14139e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff void setInit(unsigned Init, Expr *expr) { 1414c5ae899b4bbf65488445316c63168079177db0edSteve Naroff assert(Init < getNumInits() && "Initializer access out of range!"); 14159e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff InitExprs[Init] = expr; 14169e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff } 1417c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1418c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Dynamic removal/addition (for constructing implicit InitExpr's). 1419c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void removeInit(unsigned Init) { 1420c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.erase(InitExprs.begin()+Init); 1421c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1422c5ae899b4bbf65488445316c63168079177db0edSteve Naroff void addInit(unsigned Init, Expr *expr) { 1423c5ae899b4bbf65488445316c63168079177db0edSteve Naroff InitExprs.insert(InitExprs.begin()+Init, expr); 1424c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 1425c5ae899b4bbf65488445316c63168079177db0edSteve Naroff 1426c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // Explicit InitListExpr's originate from source code (and have valid source 1427c5ae899b4bbf65488445316c63168079177db0edSteve Naroff // locations). Implicit InitListExpr's are created by the semantic analyzer. 1428c5ae899b4bbf65488445316c63168079177db0edSteve Naroff bool isExplicit() { 1429c5ae899b4bbf65488445316c63168079177db0edSteve Naroff return LBraceLoc.isValid() && RBraceLoc.isValid(); 1430c5ae899b4bbf65488445316c63168079177db0edSteve Naroff } 14319e8925e72f53a9e2c4633b6b48e965ed01702fe4Steve Naroff 143266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual SourceRange getSourceRange() const { 143366b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return SourceRange(LBraceLoc, RBraceLoc); 143466b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 143566b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const Stmt *T) { 143666b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson return T->getStmtClass() == InitListExprClass; 143766b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson } 143866b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson static bool classof(const InitListExpr *) { return true; } 143966b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 144066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson // Iterators 144166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_begin(); 144266b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson virtual child_iterator child_end(); 14436336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 14446336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek virtual void EmitImpl(llvm::Serializer& S) const; 1445e2563ca02a519c2ad6d64dfed87d6e86c5d3c072Sam Bishop static InitListExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 14466336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek 14476336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenekprivate: 14486336f8dbae5145eb7b1429a8ec424c44e668f7cbTed Kremenek // Used by serializer. 144928a309e387a0a69b0c055c1565aa147fc695f906Chris Lattner InitListExpr() : Expr(InitListExprClass, QualType()) {} 145066b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson}; 145166b5a8a39088598c01a9fa6f032dc908612dc8ecAnders Carlsson 14524eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 14534eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff// Clang Extensions 14544eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff//===----------------------------------------------------------------------===// 14554eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 1456a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1457a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// ExtVectorElementExpr - This represents access to specific elements of a 1458a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// vector, and may occur on the left hand side or right hand side. For example 1459a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// the following is legal: "V.xy = V.zw" if V is a 4 element extended vector. 1460a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner/// 1461a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerclass ExtVectorElementExpr : public Expr { 1462a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Stmt *Base; 1463a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner IdentifierInfo &Accessor; 1464a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation AccessorLoc; 1465a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattnerpublic: 1466a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner ExtVectorElementExpr(QualType ty, Expr *base, IdentifierInfo &accessor, 1467a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner SourceLocation loc) 1468a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner : Expr(ExtVectorElementExprClass, ty), 1469a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Base(base), Accessor(accessor), AccessorLoc(loc) {} 1470a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1471a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner const Expr *getBase() const { return cast<Expr>(Base); } 1472a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner Expr *getBase() { return cast<Expr>(Base); } 1473a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1474a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner IdentifierInfo &getAccessor() const { return Accessor; } 1475a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1476a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getNumElements - Get the number of components being selected. 1477a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner unsigned getNumElements() const; 1478a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1479a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// containsDuplicateElements - Return true if any element access is 1480a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// repeated. 1481a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner bool containsDuplicateElements() const; 1482a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1483a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// getEncodedElementAccess - Encode the elements accessed into an llvm 1484a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner /// aggregate Constant of ConstantInt(s). 1485a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner void getEncodedElementAccess(llvm::SmallVectorImpl<unsigned> &Elts) const; 1486a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1487a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual SourceRange getSourceRange() const { 1488a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return SourceRange(getBase()->getLocStart(), AccessorLoc); 1489a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 1490a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1491a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const Stmt *T) { 1492a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner return T->getStmtClass() == ExtVectorElementExprClass; 1493a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner } 1494a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner static bool classof(const ExtVectorElementExpr *) { return true; } 1495a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1496a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner // Iterators 1497a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_begin(); 1498a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner virtual child_iterator child_end(); 1499a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner}; 1500a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 1501a09f585a7fdbb01b4bf9de3679fd37005379ca66Chris Lattner 150256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff/// BlockExpr - Adaptor class for mixing a BlockDecl with expressions. 15039c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff/// ^{ statement-body } or ^(int arg1, float arg2){ statement-body } 15044eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockExpr : public Expr { 150556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffprotected: 150656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *TheBlock; 15074eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 150856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockExpr(BlockDecl *BD, QualType ty) : Expr(BlockExprClass, ty), 150956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff TheBlock(BD) {} 15109c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 151156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff BlockDecl *getBlockDecl() { return TheBlock; } 151256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 151356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff // Convenience functions for probing the underlying BlockDecl. 151456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff SourceLocation getCaretLocation() const; 151556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const Stmt *getBody() const; 151656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Stmt *getBody(); 15179c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 15189c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff virtual SourceRange getSourceRange() const { 151956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff return SourceRange(getCaretLocation(), getBody()->getLocEnd()); 15209c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff } 15219c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 152256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff /// getFunctionType - Return the underlying function type for this block. 152356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff const FunctionType *getFunctionType() const; 152456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 15254eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const Stmt *T) { 15269c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff return T->getStmtClass() == BlockExprClass; 15274eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 15284eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockExpr *) { return true; } 15294eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 15304eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 15314eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 15324eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 153356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 15344eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual void EmitImpl(llvm::Serializer& S) const; 15359c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff static BlockExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 15364eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 15379c3c902835ef7d37300463ad47176ec21a67dc8bSteve Naroff 15384eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// BlockDeclRefExpr - A reference to a declared variable, function, 15394eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff/// enum, etc. 15404eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffclass BlockDeclRefExpr : public Expr { 15414eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *D; 15424eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff SourceLocation Loc; 15434eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool IsByRef; 15444eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroffpublic: 15454eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff BlockDeclRefExpr(ValueDecl *d, QualType t, SourceLocation l, bool ByRef) : 15464eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff Expr(BlockDeclRefExprClass, t), D(d), Loc(l), IsByRef(ByRef) {} 15474eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 15484eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff ValueDecl *getDecl() { return D; } 15494eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff const ValueDecl *getDecl() const { return D; } 15504eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual SourceRange getSourceRange() const { return SourceRange(Loc); } 15514eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 15524eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff bool isByRef() const { return IsByRef; } 15534eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 15544eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const Stmt *T) { 15554eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff return T->getStmtClass() == BlockDeclRefExprClass; 15564eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff } 15574eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static bool classof(const BlockDeclRefExpr *) { return true; } 15584eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 15594eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff // Iterators 15604eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_begin(); 15614eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual child_iterator child_end(); 15624eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 15634eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff virtual void EmitImpl(llvm::Serializer& S) const; 15644eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff static BlockDeclRefExpr* CreateImpl(llvm::Deserializer& D, ASTContext& C); 15654eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff}; 15664eb206bebcdab28ababe8df55c6185cec2cdc071Steve Naroff 15675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 15685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1570