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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <private/qqmljsengine_p.h>
#include <private/qqmljsparser_p.h>
#include <private/qqmljslexer_p.h>
#include <private/qqmljsastvisitor_p.h>
#include <private/qqmljsast_p.h>
#include <qtest.h>
#include <QDir>
#include <QDebug>
#include <cstdlib>
class tst_qqmlparser : public QObject
{
Q_OBJECT
public:
tst_qqmlparser();
private slots:
void initTestCase();
#if !defined(QTEST_CROSS_COMPILED) // sources not available when cross compiled
void qmlParser_data();
void qmlParser();
#endif
void invalidEscapeSequence();
void stringLiteral();
void noSubstitutionTemplateLiteral();
void templateLiteral();
private:
QStringList excludedDirs;
QStringList findFiles(const QDir &);
};
namespace check {
using namespace QQmlJS;
class Check: public AST::Visitor
{
QList<AST::Node *> nodeStack;
public:
void operator()(AST::Node *node)
{
AST::Node::accept(node, this);
}
void checkNode(AST::Node *node)
{
if (! nodeStack.isEmpty()) {
AST::Node *parent = nodeStack.last();
const quint32 parentBegin = parent->firstSourceLocation().begin();
const quint32 parentEnd = parent->lastSourceLocation().end();
if (node->firstSourceLocation().begin() < parentBegin)
qDebug() << "first source loc failed: node:" << node->kind << "at" << node->firstSourceLocation().startLine << "/" << node->firstSourceLocation().startColumn
<< "parent" << parent->kind << "at" << parent->firstSourceLocation().startLine << "/" << parent->firstSourceLocation().startColumn;
if (node->lastSourceLocation().end() > parentEnd)
qDebug() << "first source loc failed: node:" << node->kind << "at" << node->lastSourceLocation().startLine << "/" << node->lastSourceLocation().startColumn
<< "parent" << parent->kind << "at" << parent->lastSourceLocation().startLine << "/" << parent->lastSourceLocation().startColumn;
QVERIFY(node->firstSourceLocation().begin() >= parentBegin);
QVERIFY(node->lastSourceLocation().end() <= parentEnd);
}
}
bool preVisit(AST::Node *node) override
{
checkNode(node);
nodeStack.append(node);
return true;
}
void postVisit(AST::Node *) override
{
nodeStack.removeLast();
}
void throwRecursionDepthError() override
{
QFAIL("Maximum statement or expression depth exceeded");
}
};
}
tst_qqmlparser::tst_qqmlparser()
{
}
void tst_qqmlparser::initTestCase()
{
// Add directories you want excluded here:
// excludedDirs << "exclude/this/dir";
}
QStringList tst_qqmlparser::findFiles(const QDir &d)
{
for (int ii = 0; ii < excludedDirs.size(); ++ii) {
QString s = excludedDirs.at(ii);
if (d.absolutePath().endsWith(s))
return QStringList();
}
QStringList rv;
QStringList files = d.entryList(QStringList() << QLatin1String("*.qml") << QLatin1String("*.js"),
QDir::Files);
for (const auto &file : files)
rv << d.absoluteFilePath(file);
QStringList dirs = d.entryList(QDir::Dirs | QDir::NoDotAndDotDot |
QDir::NoSymLinks);
for (const auto &dir : dirs) {
QDir sub = d;
sub.cd(dir);
rv << findFiles(sub);
}
return rv;
}
/*
This test checks all the qml and js files in the QtQml UI source tree
and ensures that the subnode's source locations are inside parent node's source locations
*/
#if !defined(QTEST_CROSS_COMPILED) // sources not available when cross compiled
void tst_qqmlparser::qmlParser_data()
{
QTest::addColumn<QString>("file");
QString examples = QLatin1String(SRCDIR) + "/../../../../examples/";
QString tests = QLatin1String(SRCDIR) + "/../../../../tests/";
QStringList files;
files << findFiles(QDir(examples));
files << findFiles(QDir(tests));
for (const auto &file : files)
QTest::newRow(qPrintable(file)) << file;
}
#endif
#if !defined(QTEST_CROSS_COMPILED) // sources not available when cross compiled
void tst_qqmlparser::qmlParser()
{
QFETCH(QString, file);
using namespace QQmlJS;
QString code;
QFile f(file);
if (f.open(QFile::ReadOnly))
code = QString::fromUtf8(f.readAll());
const bool qmlMode = file.endsWith(QLatin1String(".qml"));
Engine engine;
Lexer lexer(&engine);
lexer.setCode(code, 1, qmlMode);
Parser parser(&engine);
bool ok = qmlMode ? parser.parse() : parser.parseProgram();
if (ok) {
check::Check chk;
chk(parser.rootNode());
}
}
#endif
void tst_qqmlparser::invalidEscapeSequence()
{
using namespace QQmlJS;
Engine engine;
Lexer lexer(&engine);
lexer.setCode(QLatin1String("\"\\"), 1);
Parser parser(&engine);
parser.parse();
}
void tst_qqmlparser::stringLiteral()
{
using namespace QQmlJS;
Engine engine;
Lexer lexer(&engine);
QLatin1String code("'hello string'");
lexer.setCode(code , 1);
Parser parser(&engine);
QVERIFY(parser.parseExpression());
AST::ExpressionNode *expression = parser.expression();
QVERIFY(expression);
auto *literal = QQmlJS::AST::cast<QQmlJS::AST::StringLiteral *>(expression);
QVERIFY(literal);
QCOMPARE(literal->value, u"hello string");
QCOMPARE(literal->firstSourceLocation().begin(), 0u);
QCOMPARE(literal->lastSourceLocation().end(), quint32(code.size()));
}
void tst_qqmlparser::noSubstitutionTemplateLiteral()
{
using namespace QQmlJS;
Engine engine;
Lexer lexer(&engine);
QLatin1String code("`hello template`");
lexer.setCode(code, 1);
Parser parser(&engine);
QVERIFY(parser.parseExpression());
AST::ExpressionNode *expression = parser.expression();
QVERIFY(expression);
auto *literal = QQmlJS::AST::cast<QQmlJS::AST::TemplateLiteral *>(expression);
QVERIFY(literal);
QCOMPARE(literal->value, u"hello template");
QCOMPARE(literal->firstSourceLocation().begin(), 0u);
QCOMPARE(literal->lastSourceLocation().end(), quint32(code.size()));
}
void tst_qqmlparser::templateLiteral()
{
using namespace QQmlJS;
Engine engine;
Lexer lexer(&engine);
QLatin1String code("`one plus one equals ${1+1}!`");
lexer.setCode(code, 1);
Parser parser(&engine);
QVERIFY(parser.parseExpression());
AST::ExpressionNode *expression = parser.expression();
QVERIFY(expression);
auto *templateLiteral = QQmlJS::AST::cast<QQmlJS::AST::TemplateLiteral *>(expression);
QVERIFY(templateLiteral);
QCOMPARE(templateLiteral->firstSourceLocation().begin(), 0u);
auto *e = templateLiteral->expression;
QVERIFY(e);
}
QTEST_MAIN(tst_qqmlparser)
#include "tst_qqmlparser.moc"
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