Move CheckPointerToMemberOperands to SemaExprCXX.cpp

llvm-svn: 64029
This commit is contained in:
Sebastian Redl 2009-02-07 20:10:22 +00:00
parent 6d8a617474
commit 5822f08cd6
4 changed files with 69 additions and 69 deletions

View File

@ -1794,7 +1794,7 @@ public:
/// type checking binary operators (subroutines of CreateBuiltinBinOp).
inline QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex);
inline QualType CheckPointerToMemberOperands( // C++ 5.5
QualType CheckPointerToMemberOperands( // C++ 5.5
Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isIndirect);
inline QualType CheckMultiplyDivideOperands( // C99 6.5.5
Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false);

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@ -11,7 +11,6 @@
//
//===----------------------------------------------------------------------===//
#include "SemaInherit.h"
#include "Sema.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclObjC.h"
@ -2703,72 +2702,6 @@ inline QualType Sema::CheckVectorOperands(SourceLocation Loc, Expr *&lex,
return QualType();
}
inline QualType Sema::CheckPointerToMemberOperands(
Expr *&lex, Expr *&rex, SourceLocation Loc, bool isIndirect)
{
const char *OpSpelling = isIndirect ? "->*" : ".*";
// C++ 5.5p2
// The binary operator .* [p3: ->*] binds its second operand, which shall
// be of type "pointer to member of T" (where T is a completely-defined
// class type) [...]
QualType RType = rex->getType();
const MemberPointerType *MemPtr = RType->getAsMemberPointerType();
if (!MemPtr || MemPtr->getClass()->isIncompleteType()) {
Diag(Loc, diag::err_bad_memptr_rhs)
<< OpSpelling << RType << rex->getSourceRange();
return QualType();
}
QualType Class(MemPtr->getClass(), 0);
// C++ 5.5p2
// [...] to its first operand, which shall be of class T or of a class of
// which T is an unambiguous and accessible base class. [p3: a pointer to
// such a class]
QualType LType = lex->getType();
if (isIndirect) {
if (const PointerType *Ptr = LType->getAsPointerType())
LType = Ptr->getPointeeType().getNonReferenceType();
else {
Diag(Loc, diag::err_bad_memptr_lhs)
<< OpSpelling << 1 << LType << lex->getSourceRange();
return QualType();
}
}
if (Context.getCanonicalType(Class).getUnqualifiedType() !=
Context.getCanonicalType(LType).getUnqualifiedType()) {
BasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/false,
/*DetectVirtual=*/false);
// FIXME: Would it be useful to print full ambiguity paths,
// or is that overkill?
if (!IsDerivedFrom(LType, Class, Paths) ||
Paths.isAmbiguous(Context.getCanonicalType(Class))) {
Diag(Loc, diag::err_bad_memptr_lhs) << OpSpelling
<< (int)isIndirect << lex->getType() << lex->getSourceRange();
return QualType();
}
}
// C++ 5.5p2
// The result is an object or a function of the type specified by the
// second operand.
// The cv qualifiers are the union of those in the pointer and the left side,
// in accordance with 5.5p5 and 5.2.5.
// FIXME: This returns a dereferenced member function pointer as a normal
// function type. However, the only operation valid on such functions is
// calling them. There's also a GCC extension to get a function pointer to
// the thing, which is another complication, because this type - unlike the
// type that is the result of this expression - takes the class as the first
// argument.
// We probably need a "MemberFunctionClosureType" or something like that.
QualType Result = MemPtr->getPointeeType();
if (LType.isConstQualified())
Result.addConst();
if (LType.isVolatileQualified())
Result.addVolatile();
return Result;
}
inline QualType Sema::CheckMultiplyDivideOperands(
Expr *&lex, Expr *&rex, SourceLocation Loc, bool isCompAssign)
{

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@ -11,6 +11,7 @@
//
//===----------------------------------------------------------------------===//
#include "SemaInherit.h"
#include "Sema.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/ASTContext.h"
@ -883,3 +884,69 @@ Sema::OwningExprResult Sema::ActOnUnaryTypeTrait(UnaryTypeTrait OTT,
QualType::getFromOpaquePtr(Ty),
RParen, Context.BoolTy));
}
QualType Sema::CheckPointerToMemberOperands(
Expr *&lex, Expr *&rex, SourceLocation Loc, bool isIndirect)
{
const char *OpSpelling = isIndirect ? "->*" : ".*";
// C++ 5.5p2
// The binary operator .* [p3: ->*] binds its second operand, which shall
// be of type "pointer to member of T" (where T is a completely-defined
// class type) [...]
QualType RType = rex->getType();
const MemberPointerType *MemPtr = RType->getAsMemberPointerType();
if (!MemPtr || MemPtr->getClass()->isIncompleteType()) {
Diag(Loc, diag::err_bad_memptr_rhs)
<< OpSpelling << RType << rex->getSourceRange();
return QualType();
}
QualType Class(MemPtr->getClass(), 0);
// C++ 5.5p2
// [...] to its first operand, which shall be of class T or of a class of
// which T is an unambiguous and accessible base class. [p3: a pointer to
// such a class]
QualType LType = lex->getType();
if (isIndirect) {
if (const PointerType *Ptr = LType->getAsPointerType())
LType = Ptr->getPointeeType().getNonReferenceType();
else {
Diag(Loc, diag::err_bad_memptr_lhs)
<< OpSpelling << 1 << LType << lex->getSourceRange();
return QualType();
}
}
if (Context.getCanonicalType(Class).getUnqualifiedType() !=
Context.getCanonicalType(LType).getUnqualifiedType()) {
BasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/false,
/*DetectVirtual=*/false);
// FIXME: Would it be useful to print full ambiguity paths,
// or is that overkill?
if (!IsDerivedFrom(LType, Class, Paths) ||
Paths.isAmbiguous(Context.getCanonicalType(Class))) {
Diag(Loc, diag::err_bad_memptr_lhs) << OpSpelling
<< (int)isIndirect << lex->getType() << lex->getSourceRange();
return QualType();
}
}
// C++ 5.5p2
// The result is an object or a function of the type specified by the
// second operand.
// The cv qualifiers are the union of those in the pointer and the left side,
// in accordance with 5.5p5 and 5.2.5.
// FIXME: This returns a dereferenced member function pointer as a normal
// function type. However, the only operation valid on such functions is
// calling them. There's also a GCC extension to get a function pointer to
// the thing, which is another complication, because this type - unlike the
// type that is the result of this expression - takes the class as the first
// argument.
// We probably need a "MemberFunctionClosureType" or something like that.
QualType Result = MemPtr->getPointeeType();
if (LType.isConstQualified())
Result.addConst();
if (LType.isVolatileQualified())
Result.addVolatile();
return Result;
}

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@ -13,8 +13,8 @@
//
//===----------------------------------------------------------------------===//
#include "Sema.h"
#include "SemaInherit.h"
#include "Sema.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/Type.h"