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Improved lookup of qualified names.

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This commit is contained in:
Roberto Raggi
2010-05-21 15:44:04 +02:00
parent 3e9faabf9e
commit 744d294f3b
1 changed files with 39 additions and 5 deletions
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44
src/libs/cplusplus/LookupContext.cpp
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@@ -215,22 +215,48 @@ QList<Symbol *> LookupContext::lookup(const Name *name, Scope *scope) const
} else if (scope->isFunctionScope()) {
Function *fun = scope->owner()->asFunction();
bindings()->lookupInScope(name, fun->arguments(), &candidates, /*templateId = */ 0);
for (TemplateParameters *it = fun->templateParameters(); it && candidates.isEmpty(); it = it->previous())
bindings()->lookupInScope(name, it->scope(), &candidates, /* templateId = */ 0);
if (! candidates.isEmpty())
break; // it's a formal argument.
break; // it's an argument or a template parameter.
if (fun->name() && fun->name()->isQualifiedNameId()) {
if (ClassOrNamespace *binding = bindings()->lookupType(fun))
return binding->lookup(name);
if (ClassOrNamespace *binding = bindings()->lookupType(fun)) {
candidates = binding->lookup(name);
if (! candidates.isEmpty())
return candidates;
}
}
// contunue, and look at the enclosing scope.
} else if (scope->isObjCMethodScope()) {
ObjCMethod *method = scope->owner()->asObjCMethod();
bindings()->lookupInScope(name, method->arguments(), &candidates, /*templateId = */ 0);
if (! candidates.isEmpty())
break; // it's a formal argument.
} else if (scope->isClassScope() || scope->isNamespaceScope()
|| scope->isObjCClassScope() || scope->isObjCProtocolScope()) {
} else if (scope->isClassScope()) {
Class *klass = scope->owner()->asClass();
for (TemplateParameters *it = klass->templateParameters(); it && candidates.isEmpty(); it = it->previous())
bindings()->lookupInScope(name, it->scope(), &candidates, /* templateId = */ 0);
if (! candidates.isEmpty())
break; // it's an argument or a template parameter.
if (ClassOrNamespace *binding = bindings()->lookupType(klass)) {
candidates = binding->lookup(name);
if (! candidates.isEmpty())
return candidates;
}
} else if (scope->isNamespaceScope() || scope->isObjCClassScope() || scope->isObjCProtocolScope()) {
if (ClassOrNamespace *binding = bindings()->lookupType(scope->owner()))
return binding->lookup(name);
@@ -458,6 +484,14 @@ ClassOrNamespace *ClassOrNamespace::lookupType_helper(const Name *name,
if (ClassOrNamespace *e = nestedType(name))
return e;
else if (_templateId) {
Q_ASSERT(_usings.size() == 1);
ClassOrNamespace *delegate = _usings.first();
if (ClassOrNamespace *r = delegate->lookupType_helper(name, processed, /*searchInEnclosingScope = */ true))
return r;
}
foreach (ClassOrNamespace *u, usings()) {
if (ClassOrNamespace *r = u->lookupType_helper(name, processed, /*searchInEnclosingScope =*/ false))
return r;