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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtTest/QtTest>
#include <QtQuickTestUtils/private/qmlutils_p.h>
#include <QtCore/qplugin.h>
#include <QtQml/private/qqmljslexer_p.h>
QT_USE_NAMESPACE
using namespace Qt::StringLiterals;
using namespace QQmlJS;
class TestLineByLineLex : public QQmlDataTest
{
Q_OBJECT
public:
TestLineByLineLex();
private Q_SLOTS:
void initTestCase() override;
void testLineByLineLex_data();
void testLineByLineLex();
void testFormatter_data();
void testFormatter();
private:
void runLex(const QString &fileToLex);
QString m_qmljsrootgenPath;
QString m_qmltyperegistrarPath;
QString m_baseDir;
};
TestLineByLineLex::TestLineByLineLex()
: QQmlDataTest(QT_QMLTEST_DATADIR), m_baseDir(QString::fromLocal8Bit(QT_QMLTEST_DATADIR))
{
}
void TestLineByLineLex::initTestCase()
{
QQmlDataTest::initTestCase();
}
void TestLineByLineLex::testLineByLineLex_data()
{
QTest::addColumn<QString>("filename");
QTest::newRow("Simple_QML") << QStringLiteral("Simple.qml");
QTest::newRow("QML_importing_JS") << QStringLiteral("importing_js.qml");
QTest::newRow("JS_with_pragma_and_import") << QStringLiteral("QTBUG-45916.js");
}
void TestLineByLineLex::testLineByLineLex()
{
QFETCH(QString, filename);
QString filePath = m_baseDir + u"/linebylinelex/data/"_s + filename;
runLex(filePath);
}
void TestLineByLineLex::testFormatter_data()
{
QTest::addColumn<QString>("filename");
QDir formatData(m_baseDir + u"/qmlformat/data"_s);
for (const QFileInfo &fInfo :
formatData.entryInfoList(QStringList({ u"*.qml"_s, u"*.js"_s }), QDir::Files)) {
QTest::newRow(qPrintable(fInfo.fileName())) << fInfo.absoluteFilePath();
}
}
void TestLineByLineLex::testFormatter()
{
QFETCH(QString, filename);
runLex(filename);
}
void TestLineByLineLex::runLex(const QString &fileToLex)
{
QFile f(fileToLex);
QVERIFY2(f.open(QFile::ReadOnly), qPrintable(fileToLex));
QString contents = QString::fromUtf8(f.readAll());
bool isQml = fileToLex.endsWith(u".qml"_s);
QQmlJS::Lexer lexer(nullptr);
lexer.setCode(contents, 1, isQml, QQmlJS::Lexer::CodeContinuation::Reset);
f.seek(0);
QString line = QString::fromUtf8(f.readLine());
QQmlJS::Lexer llLexer(nullptr, QQmlJS::Lexer::LexMode::LineByLine);
QQmlJS::Lexer::State oldState = llLexer.state();
llLexer.setCode(line, 1, isQml, QQmlJS::Lexer::CodeContinuation::Reset);
int iLine = 0;
int tokenKind = lexer.lex();
QList<int> extraTokens({ QQmlJSGrammar::T_COMMENT, QQmlJSGrammar::T_PARTIAL_COMMENT,
QQmlJSGrammar::T_PARTIAL_DOUBLE_QUOTE_STRING_LITERAL,
QQmlJSGrammar::T_PARTIAL_SINGLE_QUOTE_STRING_LITERAL,
QQmlJSGrammar::T_PARTIAL_TEMPLATE_HEAD,
QQmlJSGrammar::T_PARTIAL_TEMPLATE_MIDDLE });
while (!line.isEmpty()) {
QQmlJS::Lexer llLexer2(nullptr, QQmlJS::Lexer::LexMode::LineByLine);
llLexer2.setState(oldState);
++iLine;
llLexer2.setCode(line, iLine, isQml,
((iLine == 1) ? QQmlJS::Lexer::CodeContinuation::Reset
: QQmlJS::Lexer::CodeContinuation::Continue));
int llTokenKind = llLexer.lex();
int ll2TokenKind = llLexer2.lex();
QCOMPARE(llTokenKind, ll2TokenKind);
QCOMPARE(llLexer.state(), llLexer2.state());
while (llTokenKind != QQmlJSGrammar::T_EOL) {
if (!extraTokens.contains(llTokenKind)) {
QCOMPARE(llTokenKind, tokenKind);
QCOMPARE(llLexer.state(), lexer.state());
tokenKind = lexer.lex();
}
llTokenKind = llLexer.lex();
ll2TokenKind = llLexer2.lex();
QCOMPARE(llTokenKind, ll2TokenKind);
QCOMPARE(llLexer.state(), llLexer2.state());
}
oldState = llLexer.state();
line = QString::fromUtf8(f.readLine());
llLexer.setCode(line, -1, isQml, QQmlJS::Lexer::CodeContinuation::Continue);
}
QCOMPARE(llLexer.lex(), QQmlJSGrammar::EOF_SYMBOL);
if (tokenKind != QQmlJSGrammar::EOF_SYMBOL)
tokenKind = lexer.lex();
QCOMPARE(tokenKind, QQmlJSGrammar::EOF_SYMBOL);
}
QTEST_MAIN(TestLineByLineLex)
#include "tst_linebylinelex.moc"
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