forked from qt-creator/qt-creator
251287f0d3
For some reason, Q_UNUSED includes already a semicolon, adding one on the user side creates an additional empty statement. Change-Id: I9c5e8fac381345a60792cb75e2938fd53958d3b0 Reviewed-by: Christian Stenger <christian.stenger@qt.io>
493 lines
17 KiB
C++
493 lines
17 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "../cplusplus_global.h"
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#include <cplusplus/PreprocessorClient.h>
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#include <cplusplus/PreprocessorEnvironment.h>
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#include <cplusplus/Token.h>
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#include <cplusplus/TranslationUnit.h>
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#include <cplusplus/pp-engine.h>
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#include <QtTest>
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#include <QDebug>
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#ifdef Q_OS_WIN
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#include <cctype> // std:isspace
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#endif
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struct LineColumn
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{
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LineColumn(unsigned line = 0, unsigned column = 0) : line(line), column(column) {}
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unsigned line;
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unsigned column;
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};
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typedef QList<LineColumn> LineColumnList;
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Q_DECLARE_METATYPE(LineColumnList)
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//TESTED_COMPONENT=src/libs/cplusplus
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using namespace CPlusPlus;
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class tst_TranslationUnit: public QObject
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{
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Q_OBJECT
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private slots:
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void unicodeIdentifier();
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void unicodeIdentifier_data();
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void unicodeStringLiteral();
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void unicodeStringLiteral_data();
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void locationOfUtf16CharOffset();
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void locationOfUtf16CharOffset_data();
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private:
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class Document
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{
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public:
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typedef QSharedPointer<Document> Ptr;
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static Document::Ptr create(const QByteArray &source)
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{
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LanguageFeatures features;
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features.objCEnabled = true;
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features.qtEnabled = false;
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features.qtKeywordsEnabled = false;
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features.qtMocRunEnabled = false;
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Document::Ptr document = Document::Ptr(new Document);
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document->translationUnit()->setLanguageFeatures(features);
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const QByteArray preprocessedSource = preprocess(source);
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document->translationUnit()->setSource(preprocessedSource.constData(),
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preprocessedSource.length());
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document->translationUnit()->parse();
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if (document->hasParsingErrors())
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return Document::Ptr();
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return document;
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}
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public:
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Document()
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: m_translationUnit(&m_control, m_control.stringLiteral("testFile"))
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{
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m_control.setDiagnosticClient(&m_diagnosticClient);
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}
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TranslationUnit *translationUnit()
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{ return &m_translationUnit; }
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bool hasParsingErrors() const
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{ return m_diagnosticClient.errorCount != 0; }
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const Identifier *lastIdentifier() const
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{ return *(m_control.lastIdentifier() - 1); }
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const StringLiteral *lastStringLiteral() const
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{ return *(m_control.lastStringLiteral() - 1); }
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private:
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static QByteArray preprocess(const QByteArray &source)
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{
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Client *client = 0; // no client.
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Environment env;
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Preprocessor preprocess(client, &env);
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preprocess.setKeepComments(true);
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return preprocess.run(QLatin1String("<stdin>"), source);
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}
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private:
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Control m_control;
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TranslationUnit m_translationUnit;
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class Diagnostic: public DiagnosticClient {
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public:
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int errorCount;
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Diagnostic() : errorCount(0) {}
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void report(int /*level*/, const StringLiteral *fileName, unsigned line,
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unsigned column, const char *format, va_list ap)
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{
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++errorCount;
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qDebug() << fileName->chars() << ':' << line << ':' << column
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<< ' ' << QString::vasprintf(format, ap);
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}
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} m_diagnosticClient;
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};
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class TokenGetter
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{
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public:
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typedef QSharedPointer<TokenGetter> Ptr;
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public:
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TokenGetter(TranslationUnit *translationUnit) : m_translationUnit(translationUnit) {}
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virtual ~TokenGetter() {}
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virtual unsigned tokenCount() { return m_translationUnit->tokenCount(); }
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virtual Token tokenAt(unsigned index) { return m_translationUnit->tokenAt(index); }
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protected:
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TranslationUnit *m_translationUnit;
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};
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class CommentTokenGetter : public TokenGetter
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{
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public:
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CommentTokenGetter(TranslationUnit *translationUnit) : TokenGetter(translationUnit) {}
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unsigned tokenCount() { return m_translationUnit->commentCount(); }
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Token tokenAt(unsigned index) { return m_translationUnit->commentAt(index); }
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};
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static void compareTokenLocations(TranslationUnit *translationUnit,
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tst_TranslationUnit::TokenGetter *tokenGetter,
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const LineColumnList &expectedLinesColumns);
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};
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void tst_TranslationUnit::compareTokenLocations(TranslationUnit *translationUnit,
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tst_TranslationUnit::TokenGetter *tokenGetter,
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const LineColumnList &expectedLinesColumns)
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{
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QCOMPARE(tokenGetter->tokenCount(), (unsigned) expectedLinesColumns.count());
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for (unsigned i = 0, tokenCount = tokenGetter->tokenCount(); i < tokenCount; ++i) {
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const LineColumn expected = expectedLinesColumns.at(i);
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const unsigned utf16CharOffset = tokenGetter->tokenAt(i).utf16charsBegin();
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unsigned line, column;
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translationUnit->getPosition(utf16CharOffset, &line, &column);
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// qDebug("%d: LineColumn(%u, %u)", i, line, column);
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QCOMPARE(line, expected.line);
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QCOMPARE(column, expected.column);
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}
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}
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void tst_TranslationUnit::unicodeIdentifier()
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{
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QFETCH(QByteArray, identifierText);
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Document::Ptr document = Document::create("void " + identifierText + ";");
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QVERIFY(document);
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const Identifier *actual = document->lastIdentifier();
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QCOMPARE(QString::fromUtf8(actual->chars(), actual->size()),
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QString::fromUtf8(identifierText));
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}
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void tst_TranslationUnit::unicodeIdentifier_data()
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{
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QTest::addColumn<QByteArray>("identifierText");
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typedef QByteArray _;
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QTest::newRow("latin1 identifier") << _("var");
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QTest::newRow("non-latin1 identifier 1") << _("prefix" UC_U00FC UC_U4E8C UC_U10302);
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QTest::newRow("non-latin1 identifier 2") << _("prefix" UC_U10302 UC_U00FC UC_U4E8C);
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QTest::newRow("non-latin1 identifier 3") << _(UC_U10302 UC_U00FC UC_U4E8C);
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QTest::newRow("non-latin1 identifier 4") << _(UC_U4E8C UC_U10302 UC_U00FC);
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QTest::newRow("non-latin1 identifier 5") << _(UC_U4E8C UC_U10302 UC_U00FC "suffix");
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QTest::newRow("non-latin1 identifier 6") << _(UC_U10302 UC_U00FC UC_U4E8C "suffix");
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// Some special cases (different code path inside lexer)
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QTest::newRow("non-latin1 identifier 7") << _("LR" UC_U10302 UC_U00FC UC_U4E8C);
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QTest::newRow("non-latin1 identifier 8") << _("u8R" UC_U10302 UC_U00FC UC_U4E8C);
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QTest::newRow("non-latin1 identifier 9") << _("u8" UC_U10302 UC_U00FC UC_U4E8C);
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QTest::newRow("non-latin1 identifier 10") << _("u" UC_U10302 UC_U00FC UC_U4E8C);
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}
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static QByteArray stripEncodingPrefixAndQuotationMarks(const QByteArray &literal)
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{
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const char quotationMark = '"';
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const int firstQuotationMarkPosition = literal.indexOf(quotationMark);
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const int lastQuotationMarkPosition = literal.lastIndexOf(quotationMark);
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Q_ASSERT(firstQuotationMarkPosition != -1);
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Q_ASSERT(lastQuotationMarkPosition == literal.size() - 1);
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Q_ASSERT(firstQuotationMarkPosition < lastQuotationMarkPosition - 1);
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Q_UNUSED(lastQuotationMarkPosition)
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QByteArray result = literal.mid(firstQuotationMarkPosition + 1);
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result.chop(1);
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return result;
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}
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void tst_TranslationUnit::unicodeStringLiteral()
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{
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QFETCH(QByteArray, literalText);
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Document::Ptr document = Document::create("char t[] = " + literalText + ";");
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QVERIFY(document);
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const StringLiteral *actual = document->lastStringLiteral();
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QCOMPARE(QString::fromUtf8(actual->chars(), actual->size()),
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QString::fromUtf8(stripEncodingPrefixAndQuotationMarks(literalText)));
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}
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void tst_TranslationUnit::unicodeStringLiteral_data()
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{
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QTest::addColumn<QByteArray>("literalText");
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typedef QByteArray _;
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QTest::newRow("latin1 literal") << _("\"var\"");
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QTest::newRow("non-latin1 literal 1") << _("\"prefix" UC_U00FC UC_U4E8C UC_U10302 "\"");
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QTest::newRow("non-latin1 literal 2") << _("\"prefix" UC_U10302 UC_U00FC UC_U4E8C"\"");
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QTest::newRow("non-latin1 literal 3") << _("\"" UC_U10302 UC_U00FC UC_U4E8C "\"");
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QTest::newRow("non-latin1 literal 4") << _("\"" UC_U4E8C UC_U10302 UC_U00FC "\"");
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QTest::newRow("non-latin1 literal 5") << _("\"" UC_U4E8C UC_U10302 UC_U00FC "suffix\"");
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QTest::newRow("non-latin1 literal 6") << _("\"" UC_U10302 UC_U00FC UC_U4E8C "suffix\"");
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QTest::newRow("non-latin1 literal 7") << _("L\"U10302U00FCU4E8C\"");
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QTest::newRow("non-latin1 literal 8") << _("u8\"U10302U00FCU4E8C\"");
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QTest::newRow("non-latin1 literal 9") << _("u\"U10302U00FCU4E8C\"");
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QTest::newRow("non-latin1 literal 10") << _("U\"U10302U00FCU4E8C\"");
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}
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void tst_TranslationUnit::locationOfUtf16CharOffset()
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{
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QFETCH(QByteArray, source);
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QFETCH(LineColumnList, expectedNonCommentLinesColumns);
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QFETCH(LineColumnList, expectedCommentLinesColumns);
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Document::Ptr document = Document::create(source);
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TranslationUnit *translationUnit = document->translationUnit();
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const TokenGetter::Ptr nonCommentTokenGetter(new TokenGetter(translationUnit));
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compareTokenLocations(translationUnit, nonCommentTokenGetter.data(),
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expectedNonCommentLinesColumns);
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const TokenGetter::Ptr commentTokenGetter(new CommentTokenGetter(translationUnit));
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compareTokenLocations(translationUnit, commentTokenGetter.data(), expectedCommentLinesColumns);
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}
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void tst_TranslationUnit::locationOfUtf16CharOffset_data()
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{
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QTest::addColumn<QByteArray>("source");
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QTest::addColumn<LineColumnList>("expectedNonCommentLinesColumns");
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QTest::addColumn<LineColumnList>("expectedCommentLinesColumns");
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typedef QByteArray _;
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QTest::newRow("empty")
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<< _("")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(0, 0)
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)
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<< LineColumnList();
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// --- Identifiers ---------------------------------------------------------------------------
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QTest::newRow("latin1 identifiers")
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<< _("int i;")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(1, 1) // int
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<< LineColumn(1, 5) // i
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<< LineColumn(1, 6) // ;
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<< LineColumn(1, 7)
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)
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<< LineColumnList();
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QTest::newRow("latin1 identifiers")
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<< _("int i;\n"
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"int jj;\n")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(1, 1) // int 1
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<< LineColumn(1, 5) // i
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<< LineColumn(1, 6) // ;
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<< LineColumn(2, 1) // int 2
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<< LineColumn(2, 5) // jj
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<< LineColumn(2, 7) // ;
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<< LineColumn(3, 1)
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)
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<< LineColumnList();
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QTest::newRow("non-latin1 identifier")
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<< _("int " UC_U00FC ";")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(1, 1) // int
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<< LineColumn(1, 5) // non-latin1 identifier
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<< LineColumn(1, 6) // ;
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<< LineColumn(1, 7)
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)
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<< LineColumnList();
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QTest::newRow("non-latin1 identifiers 1")
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<< _("int " UC_U00FC ";\n"
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"int " UC_U00FC ";")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(1, 1) // int 1
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<< LineColumn(1, 5) // non-latin1 identifier 1
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<< LineColumn(1, 6) // ;
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<< LineColumn(2, 1) // int 2
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<< LineColumn(2, 5) // non-latin1 identifier 2
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<< LineColumn(2, 6) // ;
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<< LineColumn(2, 7) // ;
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)
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<< LineColumnList();
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QTest::newRow("non-latin1 identifiers 2")
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<< _("int " UC_U00FC UC_U4E8C UC_U10302 ";\n"
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"int v;\n"
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"int " UC_U10302 UC_U4E8C ";")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(1, 1) // int 1
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<< LineColumn(1, 5) // non-latin1 identifier 1
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<< LineColumn(1, 9) // ;
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<< LineColumn(2, 1) // int 2
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<< LineColumn(2, 5) // non-latin1 identifier 2
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<< LineColumn(2, 6) // ;
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<< LineColumn(3, 1) // int 3
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<< LineColumn(3, 5) // non-latin1 identifier 3
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<< LineColumn(3, 8) // ;
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<< LineColumn(3, 9)
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)
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<< LineColumnList();
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// --- String literals -----------------------------------------------------------------------
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QTest::newRow("latin1 string literal")
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<< _("char t[] = \"foo\";")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(1, 1) // char
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<< LineColumn(1, 6) // t
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<< LineColumn(1, 7) // [
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<< LineColumn(1, 8) // ]
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<< LineColumn(1, 10) // =
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<< LineColumn(1, 12) // latin1 string literal
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<< LineColumn(1, 17) // ;
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<< LineColumn(1, 18)
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)
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<< LineColumnList();
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QTest::newRow("non-latin1 string literal")
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<< _("char t[] = \"i" UC_U00FC UC_U4E8C UC_U10302 "\";")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(1, 1) // char
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<< LineColumn(1, 6) // t
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<< LineColumn(1, 7) // [
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<< LineColumn(1, 8) // ]
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<< LineColumn(1, 10) // =
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<< LineColumn(1, 12) // non-latin1 string literal
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<< LineColumn(1, 19) // ;
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<< LineColumn(1, 20)
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)
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<< LineColumnList();
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QTest::newRow("non-latin1 string literal multiple lines")
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<< _("char t[] = \"i" UC_U00FC UC_U4E8C UC_U10302 " \\\n"
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"\";")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(1, 1) // char
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<< LineColumn(1, 6) // t
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<< LineColumn(1, 7) // [
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<< LineColumn(1, 8) // ]
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<< LineColumn(1, 10) // =
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<< LineColumn(1, 12) // non-latin1 string literal
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<< LineColumn(2, 2) // ;
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<< LineColumn(2, 3)
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)
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<< LineColumnList();
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// --- Comments ------------------------------------------------------------------------------
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QTest::newRow("latin1 c++ comment line")
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<< _("// comment line\n"
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"int i;")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(2, 1) // int
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<< LineColumn(2, 5) // i
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<< LineColumn(2, 6) // ;
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<< LineColumn(2, 7)
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)
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<< (LineColumnList()
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<< LineColumn(1, 1) // comment
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);
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QTest::newRow("latin1 c comment line")
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<< _("/* comment line */ int i;")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(1, 20) // int
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<< LineColumn(1, 24) // i
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<< LineColumn(1, 25) // ;
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<< LineColumn(1, 26)
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)
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<< (LineColumnList()
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<< LineColumn(1, 1) // comment
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);
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QTest::newRow("latin1 c comment lines")
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<< _("/* comment line 1\n"
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" comment line 2 */ int i;")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(2, 22) // int
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<< LineColumn(2, 26) // i
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<< LineColumn(2, 27) // ;
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<< LineColumn(2, 28)
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)
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<< (LineColumnList()
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<< LineColumn(1, 1) // comment
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);
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QTest::newRow("non-latin1 c++ comment line")
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<< _("// comment line " UC_U00FC UC_U4E8C UC_U10302 "\n"
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"int i;")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(2, 1) // int
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<< LineColumn(2, 5) // i
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<< LineColumn(2, 6) // ;
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<< LineColumn(2, 7)
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)
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<< (LineColumnList()
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<< LineColumn(1, 1) // comment
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);
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QTest::newRow("non-latin1 c comment lines")
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<< _("/* comment line 1\n"
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" comment line 2 */ int i;")
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<< (LineColumnList()
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<< LineColumn(0, 0)
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<< LineColumn(2, 22) // int
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<< LineColumn(2, 26) // i
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<< LineColumn(2, 27) // ;
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<< LineColumn(2, 28)
|
|
)
|
|
<< (LineColumnList()
|
|
<< LineColumn(1, 1) // comment
|
|
);
|
|
}
|
|
|
|
QTEST_APPLESS_MAIN(tst_TranslationUnit)
|
|
#include "tst_translationunit.moc"
|