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QmlJS: Add initial 'Find Usages' support.

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This commit is contained in:
Christian Kamm
2010-09-24 14:05:34 +02:00
parent 6755edc351
commit 3f505e9982
20 changed files with 967 additions and 142 deletions
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83
src/libs/qmljs/qmljsscopebuilder.cpp
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@@ -38,10 +38,12 @@ using namespace QmlJS;
using namespace QmlJS::Interpreter;
using namespace QmlJS::AST;
ScopeBuilder::ScopeBuilder(Document::Ptr doc, Interpreter::Context *context)
ScopeBuilder::ScopeBuilder(Context *context, Document::Ptr doc, const Snapshot &snapshot)
: _doc(doc)
, _snapshot(snapshot)
, _context(context)
{
initializeScopeChain();
}
ScopeBuilder::~ScopeBuilder()
@@ -92,6 +94,85 @@ void ScopeBuilder::pop()
_context->scopeChain().update();
}
void ScopeBuilder::initializeScopeChain()
{
ScopeChain &scopeChain = _context->scopeChain();
scopeChain = ScopeChain(); // reset
Interpreter::Engine *engine = _context->engine();
// ### TODO: This object ought to contain the global namespace additions by QML.
scopeChain.globalScope = engine->globalObject();
if (! _doc) {
scopeChain.update();
return;
}
Bind *bind = _doc->bind();
QHash<Document *, ScopeChain::QmlComponentChain *> componentScopes;
ScopeChain::QmlComponentChain *chain = new ScopeChain::QmlComponentChain;
scopeChain.qmlComponentScope = QSharedPointer<const ScopeChain::QmlComponentChain>(chain);
if (_doc->qmlProgram()) {
componentScopes.insert(_doc.data(), chain);
makeComponentChain(_doc, chain, &componentScopes);
if (const TypeEnvironment *typeEnvironment = _context->typeEnvironment(_doc.data()))
scopeChain.qmlTypes = typeEnvironment;
} else {
// add scope chains for all components that import this file
foreach (Document::Ptr otherDoc, _snapshot) {
foreach (const ImportInfo &import, otherDoc->bind()->imports()) {
if (import.type() == ImportInfo::FileImport && _doc->fileName() == import.name()) {
ScopeChain::QmlComponentChain *component = new ScopeChain::QmlComponentChain;
componentScopes.insert(otherDoc.data(), component);
chain->instantiatingComponents += component;
makeComponentChain(otherDoc, component, &componentScopes);
}
}
}
// ### TODO: Which type environment do scripts see?
if (bind->rootObjectValue())
scopeChain.jsScopes += bind->rootObjectValue();
}
scopeChain.update();
}
void ScopeBuilder::makeComponentChain(
Document::Ptr doc,
ScopeChain::QmlComponentChain *target,
QHash<Document *, ScopeChain::QmlComponentChain *> *components)
{
if (!doc->qmlProgram())
return;
Bind *bind = doc->bind();
// add scopes for all components instantiating this one
foreach (Document::Ptr otherDoc, _snapshot) {
if (otherDoc == doc)
continue;
if (otherDoc->bind()->usesQmlPrototype(bind->rootObjectValue(), _context)) {
if (components->contains(otherDoc.data())) {
// target->instantiatingComponents += components->value(otherDoc.data());
} else {
ScopeChain::QmlComponentChain *component = new ScopeChain::QmlComponentChain;
components->insert(otherDoc.data(), component);
target->instantiatingComponents += component;
makeComponentChain(otherDoc, component, components);
}
}
}
// build this component scope
target->document = doc;
}
void ScopeBuilder::setQmlScopeObject(Node *node)
{
ScopeChain &scopeChain = _context->scopeChain();