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Tweak the new ResolveOverloadedCallFn to just return a FunctionDecl. It makes ActOnCallExpr simpler 

llvm-svn: 60094
This commit is contained in:
Douglas Gregor 2008-11-26 06:01:48 +00:00
parent 99dcbff154
commit a60a6914cc
3 changed files with 22 additions and 22 deletions
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10
clang/lib/Sema/Sema.h
View File

@ -447,11 +447,11 @@ public:
bool Complain);
void FixOverloadedFunctionReference(Expr *E, FunctionDecl *Fn);
Expr *ResolveOverloadedCallFn(Expr *Fn, OverloadedFunctionDecl *Ovl,
SourceLocation LParenLoc,
Expr **Args, unsigned NumArgs,
SourceLocation *CommaLocs,
SourceLocation RParenLoc);
FunctionDecl *ResolveOverloadedCallFn(Expr *Fn, OverloadedFunctionDecl *Ovl,
SourceLocation LParenLoc,
Expr **Args, unsigned NumArgs,
SourceLocation *CommaLocs,
SourceLocation RParenLoc);
ExprResult
BuildCallToObjectOfClassType(Expr *Object, SourceLocation LParenLoc,

12
clang/lib/Sema/SemaExpr.cpp
View File

@ -1295,12 +1295,16 @@ ActOnCallExpr(ExprTy *fn, SourceLocation LParenLoc,
}
if (Ovl) {
Fn = ResolveOverloadedCallFn(Fn, Ovl, LParenLoc, Args, NumArgs, CommaLocs,
RParenLoc);
if (!Fn)
FDecl = ResolveOverloadedCallFn(Fn, Ovl, LParenLoc, Args, NumArgs, CommaLocs,
RParenLoc);
if (!FDecl)
return true;
// Fall through and build the call to Fn.
// Update Fn to refer to the actual function selected.
Expr *NewFn = new DeclRefExpr(FDecl, FDecl->getType(),
Fn->getSourceRange().getBegin());
Fn->Destroy(Context);
Fn = NewFn;
}
if (getLangOptions().CPlusPlus && Fn->getType()->isRecordType())

22
clang/lib/Sema/SemaOverload.cpp
View File

@ -2967,24 +2967,20 @@ Sema::ResolveAddressOfOverloadedFunction(Expr *From, QualType ToType,
/// (which eventually refers to the set of overloaded functions in
/// Ovl) and the call arguments Args/NumArgs, attempt to resolve the
/// function call down to a specific function. If overload resolution
/// succeeds, returns an expression that refers to a specific function
/// and deletes Fn. Otherwise, emits diagnostics, deletes all of the
/// succeeds, returns the function declaration produced by overload
/// resolution. Otherwise, emits diagnostics, deletes all of the
/// arguments and Fn, and returns NULL.
Expr *Sema::ResolveOverloadedCallFn(Expr *Fn, OverloadedFunctionDecl *Ovl,
SourceLocation LParenLoc,
Expr **Args, unsigned NumArgs,
SourceLocation *CommaLocs,
SourceLocation RParenLoc) {
FunctionDecl *Sema::ResolveOverloadedCallFn(Expr *Fn, OverloadedFunctionDecl *Ovl,
SourceLocation LParenLoc,
Expr **Args, unsigned NumArgs,
SourceLocation *CommaLocs,
SourceLocation RParenLoc) {
OverloadCandidateSet CandidateSet;
AddOverloadCandidates(Ovl, Args, NumArgs, CandidateSet);
OverloadCandidateSet::iterator Best;
switch (BestViableFunction(CandidateSet, Best)) {
case OR_Success: {
Expr *NewFn = new DeclRefExpr(Best->Function, Best->Function->getType(),
Fn->getSourceRange().getBegin());
Fn->Destroy(Context);
return NewFn;
}
case OR_Success:
return Best->Function;
case OR_No_Viable_Function:
Diag(Fn->getSourceRange().getBegin(),