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C++: fix support for typedef of templated typedefs

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Fix:
* code completion
* follow symbols
* find usages

Task-number: QTCREATORBUG-8375
Change-Id: I6f35e809ba15f224c5a6d9b2fcfc18dbfba55411
Reviewed-by: Sergey Shambir <sergey.shambir.auto@gmail.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
This commit is contained in:
Przemyslaw Gorszkowski
2013-04-15 12:50:36 +02:00
committed by Erik Verbruggen
parent 357ffaa8bc
commit 13913ed391
5 changed files with 140 additions and 5 deletions
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55
src/libs/cplusplus/LookupContext.cpp
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@@ -719,10 +719,43 @@ ClassOrNamespace *ClassOrNamespace::lookupType_helper(const Name *name,
if (name->isNameId() || name->isTemplateNameId() || name->isAnonymousNameId()) {
flush();
if (name->isTemplateNameId()) {
// if it is a base specialization, the 'name' could be an instantiation
QMap<const TemplateNameId *, ClassOrNamespace *>::iterator it
= _instantiations.find(name->asTemplateNameId());
if (it != _instantiations.end())
return it.value();
}
foreach (Symbol *s, symbols()) {
if (Class *klass = s->asClass()) {
if (klass->identifier() && klass->identifier()->isEqualTo(name->identifier()))
return this;
// it can be a typedef
const unsigned memberClassCount = klass->memberCount();
for (unsigned i = 0; i < memberClassCount; ++i) {
Symbol *memberClassAsSymbol = klass->memberAt(i);
if (Declaration *declaration = memberClassAsSymbol->asDeclaration()) {
if (declaration->isTypedef()
&& name->identifier()->isEqualTo(declaration->name()->identifier
())) {
if (NamedType *namedType = declaration->type()->asNamedType()) {
QSet<ClassOrNamespace *> innerProcessed;
const Name *namedTypeName = namedType->name();
const QualifiedNameId *q = namedTypeName->asQualifiedNameId();
if (q && name->isEqualTo(q->base())
&& name->isEqualTo(q->name())) {
return lookupType_helper_inParent(name, &innerProcessed,
searchInEnclosingScope,
origin);
}
return lookupType_helper(namedTypeName, &innerProcessed,
true, origin);
}
}
}
}
}
}
@@ -746,6 +779,9 @@ ClassOrNamespace *ClassOrNamespace::lookupType_helper(const Name *name,
}
foreach (ClassOrNamespace *u, usings()) {
// usings are not instantiated for templates
if (_templateId && u->_templateId)
continue;
if (ClassOrNamespace *r = u->lookupType_helper(name,
processed,
/*searchInEnclosingScope =*/ false,
@@ -754,8 +790,21 @@ ClassOrNamespace *ClassOrNamespace::lookupType_helper(const Name *name,
}
}
if (_parent && searchInEnclosingScope)
return _parent->lookupType_helper(name, processed, searchInEnclosingScope, origin);
return lookupType_helper_inParent(name, processed, searchInEnclosingScope, origin);
}
return 0;
}
ClassOrNamespace *ClassOrNamespace::lookupType_helper_inParent(const Name *name, QSet<ClassOrNamespace *> *processed,
bool searchInEnclosingScope, ClassOrNamespace *origin)
{
if (_parent && searchInEnclosingScope) {
// for templates _parent is a base specialization,
// so we should take here rather _parent of this base specialization
ClassOrNamespace *parent = _templateId ? _parent->_parent : _parent;
if (parent)
return parent->lookupType_helper(name, processed, searchInEnclosingScope, origin);
}
return 0;
@@ -959,7 +1008,7 @@ ClassOrNamespace *ClassOrNamespace::nestedType(const Name *name, ClassOrNamespac
oo.showReturnTypes = true;
oo.showTemplateParameters = true;
qDebug()<<"cloned"<<oo(clone->type());
if (Class *klass = s->asClass()) {
if (Class *klass = clone->asClass()) {
const unsigned klassMemberCount = klass->memberCount();
for (unsigned i = 0; i < klassMemberCount; ++i){
Symbol *klassMemberAsSymbol = klass->memberAt(i);