forked from qt-creator/qt-creator
e600424648
Also fix false positive line continuation on blank line e.g. "foo \ bar" Change-Id: Ic6d345a4b578c955411d119b8438c8dc5065c072 Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
352 lines
11 KiB
C++
352 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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 Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include <cplusplus/Token.h>
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#include <cplusplus/SimpleLexer.h>
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#include <QtTest>
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#include <QDebug>
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//#define DEBUG_TOKENS
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typedef QList<unsigned> List;
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typedef QByteArray _;
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Q_DECLARE_METATYPE(List)
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//TESTED_COMPONENT=src/libs/cplusplus
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using namespace CPlusPlus;
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class tst_SimpleLexer: public QObject
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{
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Q_OBJECT
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public:
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tst_SimpleLexer() : _state(0) {}
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private slots:
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void basic();
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void basic_data();
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void incremental();
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void incremental_data();
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private:
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void run(const QByteArray &source,
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const List &expectedTokenKindList,
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bool preserveState);
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int _state;
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};
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void tst_SimpleLexer::run(const QByteArray &source,
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const List &expectedTokenKindList,
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bool preserveState)
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{
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SimpleLexer lexer;
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const QList<Token> tokenList = lexer(source, preserveState ? _state : 0);
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if (preserveState)
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_state = lexer.state();
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int i = 0;
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for (; i < tokenList.size(); ++i) {
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QVERIFY2(i < expectedTokenKindList.size(), "More tokens than expected.");
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const Token token = tokenList.at(i);
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const unsigned expectedTokenKind = expectedTokenKindList.at(i);
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#ifdef DEBUG_TOKENS
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qDebug("Comparing (i=%d): \"%s\" \"%s\"", i,
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Token::name(token.kind()),
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Token::name(expectedTokenKind));
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#endif
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QCOMPARE(token.kind(), expectedTokenKind);
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}
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QVERIFY2(i == expectedTokenKindList.size(), "Less tokens than expected.");
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}
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void tst_SimpleLexer::basic()
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{
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QFETCH(QByteArray, source);
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QFETCH(List, expectedTokenKindList);
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run(source, expectedTokenKindList, false);
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}
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void tst_SimpleLexer::basic_data()
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{
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QTest::addColumn<QByteArray>("source");
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QTest::addColumn<List>("expectedTokenKindList");
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QByteArray source;
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List expectedTokenKindList;
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source = "// comment";
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expectedTokenKindList = List() << T_CPP_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "//// comment";
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expectedTokenKindList = List() << T_CPP_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "/// comment";
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expectedTokenKindList = List() << T_CPP_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "///< comment";
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expectedTokenKindList = List() << T_CPP_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "//! comment";
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expectedTokenKindList = List() << T_CPP_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "//!< comment";
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expectedTokenKindList = List() << T_CPP_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "///\n";
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expectedTokenKindList = List() << T_CPP_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "///\n"
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"int i;";
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expectedTokenKindList = List()
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<< T_CPP_DOXY_COMMENT
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<< T_INT << T_IDENTIFIER << T_SEMICOLON;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "/* comment */\n";
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expectedTokenKindList = List() << T_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "/* comment\n"
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" comment\n"
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" */\n";
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expectedTokenKindList = List() << T_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "/** comment */";
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expectedTokenKindList = List() << T_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "/** comment */\n";
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expectedTokenKindList = List() << T_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "/** comment */ int i;\n";
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expectedTokenKindList = List()
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<< T_DOXY_COMMENT << T_INT << T_IDENTIFIER << T_SEMICOLON;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "/**\n"
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" * comment\n"
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" */\n";
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expectedTokenKindList = List() << T_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "/*!\n"
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" * comment\n"
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" */\n";
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expectedTokenKindList = List() << T_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "/*!\n"
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" comment\n"
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"*/\n";
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expectedTokenKindList = List() << T_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "int i; /*!< first counter */\n"
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"int j; /**< second counter */\n"
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"int k; ///< third counter\n"
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"int l; //!< fourth counter\n"
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" //!< more details... ";
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expectedTokenKindList = List()
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<< T_INT << T_IDENTIFIER << T_SEMICOLON << T_DOXY_COMMENT
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<< T_INT << T_IDENTIFIER << T_SEMICOLON << T_DOXY_COMMENT
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<< T_INT << T_IDENTIFIER << T_SEMICOLON << T_CPP_DOXY_COMMENT
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<< T_INT << T_IDENTIFIER << T_SEMICOLON << T_CPP_DOXY_COMMENT << T_CPP_DOXY_COMMENT;
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QTest::newRow(source) << source << expectedTokenKindList;
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source = "?" "?(?" "?)?" "?<?" "?>a?b:c";
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expectedTokenKindList = List()
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<< T_LBRACKET << T_RBRACKET << T_LBRACE << T_RBRACE
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<< T_IDENTIFIER << T_QUESTION << T_IDENTIFIER << T_COLON << T_IDENTIFIER;
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QTest::newRow(source) << source << expectedTokenKindList;
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}
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void tst_SimpleLexer::incremental()
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{
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QFETCH(QByteArray, source);
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QFETCH(List, expectedTokenKindList);
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run(source, expectedTokenKindList, true);
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}
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void tst_SimpleLexer::incremental_data()
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{
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QTest::addColumn<QByteArray>("source");
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QTest::addColumn<List>("expectedTokenKindList");
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QTest::newRow("simple_string_literal")
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<< _("\"foo\"")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("unterminated_string_literal")
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<< _("\"foo")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("escaped_string_literal_1")
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<< _("\"foo \\")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("escaped_string_literal_2")
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<< _("bar\"")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("escaped_string_literal_with_spaces_1")
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<< _("\"foo \\ ")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("escaped_string_literal_with_spaces_2")
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<< _("bar\"")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("double_escaped_string_literal_1")
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<< _("\"foo \\")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("double_escaped_string_literal_2")
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<< _("bar \\")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("double_escaped_string_literal_3")
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<< _("baz\"")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("unterminated_escaped_string_literal")
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<< _("\"foo \\\n\nbar\"")
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<< (List() << T_STRING_LITERAL << T_IDENTIFIER << T_STRING_LITERAL);
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QTest::newRow("escaped_string_literal_with_newline_1")
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<< _("\"foo \\")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("escaped_string_literal_with_newline_2")
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<< _("")
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<< List();
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QTest::newRow("escaped_string_literal_with_newline_3")
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<< _("bar")
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<< (List() << T_IDENTIFIER);
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QTest::newRow("escaped_string_literal_with_space_and_newline_single")
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<< _("\"foo \\ \n bar\"")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("escaped_string_literal_with_space_and_newline_1")
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<< _("\"foo \\ \n ")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("escaped_string_literal_with_space_and_newline_2")
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<< _("bar")
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<< (List() << T_IDENTIFIER);
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QTest::newRow("token_after_escaped_string_literal_1")
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<< _("\"foo \\")
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<< (List() << T_STRING_LITERAL);
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QTest::newRow("token_after_escaped_string_literal_2")
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<< _("bar\";")
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<< (List() << T_STRING_LITERAL << T_SEMICOLON);
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QTest::newRow("simple_cpp_comment")
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<< _("//foo")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("escaped_cpp_comment_1")
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<< _("//foo \\")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("escaped_cpp_comment_2")
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<< _("bar")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("escaped_cpp_comment_with_spaces_1")
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<< _("//foo \\ ")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("escaped_cpp_comment_with_spaces_2")
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<< _("bar")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("double_escaped_cpp_comment_1")
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<< _("//foo \\")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("double_escaped_cpp_comment_2")
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<< _("bar \\")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("double_escaped_cpp_comment_3")
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<< _("baz")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("escaped_cpp_comment_with_newline")
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<< _("//foo \\\n\nbar")
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<< (List() << T_CPP_COMMENT << T_IDENTIFIER);
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QTest::newRow("escaped_cpp_comment_with_newline_1")
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<< _("//foo \\")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("escaped_cpp_comment_with_newline_2")
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<< _("")
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<< List();
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QTest::newRow("escaped_cpp_comment_with_newline_3")
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<< _("bar")
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<< (List() << T_IDENTIFIER);
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QTest::newRow("escaped_cpp_comment_with_space_and_newline_single")
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<< _("//foo \\ \n bar")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("escaped_cpp_comment_with_space_and_newline_1")
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<< _("//foo \\ \n ")
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<< (List() << T_CPP_COMMENT);
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QTest::newRow("escaped_cpp_comment_with_space_and_newline_2")
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<< _("bar")
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<< (List() << T_IDENTIFIER);
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}
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QTEST_APPLESS_MAIN(tst_SimpleLexer)
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#include "tst_lexer.moc"
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