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#include "qmljsast_p.h"
#include "qmljsengine_p.h"
#include "qmlresolveexpression.h"
using namespace DuiEditor;
using namespace DuiEditor::Internal;
using namespace QmlJS;
using namespace QmlJS::AST;
QmlResolveExpression::QmlResolveExpression(const QmlLookupContext &context)
: _context(context), _value(0)
{
}
QmlResolveExpression::~QmlResolveExpression()
{
qDeleteAll(_temporarySymbols);
}
QmlSymbol *QmlResolveExpression::typeOf(Node *node)
{
QmlSymbol *previousValue = switchValue(0);
if (node)
node->accept(this);
return switchValue(previousValue);
}
QmlSymbol *QmlResolveExpression::switchValue(QmlSymbol *value)
{
QmlSymbol *previousValue = _value;
_value = value;
return previousValue;
}
bool QmlResolveExpression::visit(IdentifierExpression *ast)
{
const QString name = ast->name->asString();
_value = _context.resolve(name);
return false;
}
static inline bool matches(UiQualifiedId *candidate, const QString &wanted)
{
if (!candidate)
return false;
if (!(candidate->name))
return false;
if (candidate->next)
return false; // TODO: verify this!
return wanted == candidate->name->asString();
}
bool QmlResolveExpression::visit(FieldMemberExpression *ast)
{
const QString memberName = ast->name->asString();
const QmlSymbol *base = typeOf(ast->base);
if (!base)
return false;
if (base->isIdSymbol())
base = base->asIdSymbol()->parentNode();
UiObjectMemberList *members = 0;
if (const QmlSymbolFromFile *symbol = base->asSymbolFromFile()) {
Node *node = symbol->node();
if (UiObjectBinding *binding = cast<UiObjectBinding*>(node)) {
if (binding->initializer)
members = binding->initializer->members;
} else if (UiObjectDefinition *definition = cast<UiObjectDefinition*>(node)) {
if (definition->initializer)
members = definition->initializer->members;
}
}
for (UiObjectMemberList *it = members; it; it = it->next) {
UiObjectMember *member = it->member;
if (UiPublicMember *publicMember = cast<UiPublicMember *>(member)) {
if (publicMember->name && publicMember->name->asString() == memberName) {
_value = createPropertyDefinitionSymbol(publicMember);
break; // we're done.
}
} else if (UiObjectBinding *objectBinding = cast<UiObjectBinding*>(member)) {
if (matches(objectBinding->qualifiedId, memberName)) {
_value = createSymbolFromFile(objectBinding);
break; // we're done
}
} else if (UiScriptBinding *scriptBinding = cast<UiScriptBinding*>(member)) {
if (matches(scriptBinding->qualifiedId, memberName)) {
_value = createSymbolFromFile(scriptBinding);
break; // we're done
}
} else if (UiArrayBinding *arrayBinding = cast<UiArrayBinding*>(member)) {
if (matches(arrayBinding->qualifiedId, memberName)) {
_value = createSymbolFromFile(arrayBinding);
break; // we're done
}
}
}
return false;
}
bool QmlResolveExpression::visit(QmlJS::AST::UiQualifiedId *ast)
{
_value = _context.resolveType(ast);
return false;
}
QmlPropertyDefinitionSymbol *QmlResolveExpression::createPropertyDefinitionSymbol(QmlJS::AST::UiPublicMember *ast)
{
QmlPropertyDefinitionSymbol *symbol = new QmlPropertyDefinitionSymbol(_context.document()->fileName(), ast);
_temporarySymbols.append(symbol);
return symbol;
}
QmlSymbolFromFile *QmlResolveExpression::createSymbolFromFile(QmlJS::AST::UiObjectMember *ast)
{
QmlSymbolFromFile *symbol = new QmlSymbolFromFile(_context.document()->fileName(), ast);
_temporarySymbols.append(symbol);
return symbol;
}
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