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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qqmljstypereader_p.h"
#include "qqmljsimportvisitor_p.h"
#include <QtQml/private/qqmljsast_p.h>
#include <QtQml/private/qqmljsengine_p.h>
#include <QtQml/private/qqmljslexer_p.h>
#include <QtQml/private/qqmljsparser_p.h>
#include <QtQml/private/qqmlimportresolver_p.h>
#include <QtCore/qfileinfo.h>
#include <QtCore/qdebug.h>
QT_BEGIN_NAMESPACE
static QQmlJSScope::Ptr parseProgram(QQmlJS::AST::Program *program, const QString &name)
{
using namespace QQmlJS::AST;
QQmlJSScope::Ptr result = QQmlJSScope::create(QQmlJSScope::JSLexicalScope);
result->setInternalName(name);
for (auto *statement = program->statements; statement; statement = statement->next) {
if (auto *function = cast<FunctionDeclaration *>(statement->statement)) {
QQmlJSMetaMethod method(function->name.toString());
method.setMethodType(QQmlJSMetaMethod::Method);
for (auto *parameters = function->formals; parameters; parameters = parameters->next)
method.addParameter(parameters->element->bindingIdentifier.toString(), QString());
result->addOwnMethod(method);
}
}
return result;
}
QQmlJSScope::Ptr QQmlJSTypeReader::operator()()
{
using namespace QQmlJS::AST;
const QFileInfo info { m_file };
QString baseName = info.baseName();
const QString scopeName = baseName.endsWith(QStringLiteral(".ui")) ? baseName.chopped(3)
: baseName;
QQmlJS::Engine engine;
QQmlJS::Lexer lexer(&engine);
const QString lowerSuffix = info.suffix().toLower();
const bool isESModule = lowerSuffix == QLatin1String("mjs");
const bool isJavaScript = isESModule || lowerSuffix == QLatin1String("js");
QFile file(m_file);
if (!file.open(QFile::ReadOnly)) {
QQmlJSScope::Ptr result = QQmlJSScope::create(
isJavaScript ? QQmlJSScope::JSLexicalScope : QQmlJSScope::QMLScope);
result->setInternalName(scopeName);
return result;
}
QString code = QString::fromUtf8(file.readAll());
file.close();
lexer.setCode(code, /*line = */ 1, /*qmlMode=*/ !isJavaScript);
QQmlJS::Parser parser(&engine);
const bool success = isJavaScript ? (isESModule ? parser.parseModule()
: parser.parseProgram())
: parser.parse();
if (!success) {
QQmlJSScope::Ptr result = QQmlJSScope::create(
isJavaScript ? QQmlJSScope::JSLexicalScope : QQmlJSScope::QMLScope);
result->setInternalName(scopeName);
return result;
}
if (!isJavaScript) {
QQmlJS::AST::UiProgram *program = parser.ast();
QQmlJSImportVisitor membersVisitor(m_importer, QFileInfo(m_file).canonicalPath(),
m_qmltypesFiles);
program->accept(&membersVisitor);
m_errors = membersVisitor.errors();
return membersVisitor.result();
}
// TODO: Anything special to do with ES modules here?
return parseProgram(QQmlJS::AST::cast<QQmlJS::AST::Program *>(parser.rootNode()), scopeName);
}
QT_END_NAMESPACE
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