forked from qt-creator/qt-creator
8469e317c9
convertPosition change was introduced in 931ec39f64.
It changed 0-based column to 1-based which is how it
naturally is in Qt Creator.
This fixed some usages but broke many more. This is an
attempt to fix the remaining use cases.
Fixes CppEditor auto-tests.
Change-Id: Ia8d14da0ebb035cd2fdd6da4ff6ec89c1c5121a8
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
132 lines
4.1 KiB
C++
132 lines
4.1 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 "cppcanonicalsymbol.h"
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#include <cpptools/cpptoolsreuse.h>
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#include <cplusplus/ExpressionUnderCursor.h>
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#include <utils/textutils.h>
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#include <QTextCursor>
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#include <QTextDocument>
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using namespace CPlusPlus;
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namespace CppTools {
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CanonicalSymbol::CanonicalSymbol(const Document::Ptr &document,
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const Snapshot &snapshot)
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: m_document(document),
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m_snapshot(snapshot)
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{
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m_typeOfExpression.init(document, snapshot);
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m_typeOfExpression.setExpandTemplates(true);
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}
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const LookupContext &CanonicalSymbol::context() const
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{
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return m_typeOfExpression.context();
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}
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Scope *CanonicalSymbol::getScopeAndExpression(const QTextCursor &cursor, QString *code)
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{
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if (!m_document)
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return 0;
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QTextCursor tc = cursor;
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int line, column;
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Utils::Text::convertPosition(cursor.document(), tc.position(), &line, &column);
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int pos = tc.position();
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QTextDocument *textDocument = cursor.document();
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if (!CppTools::isValidIdentifierChar(textDocument->characterAt(pos)))
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if (!(pos > 0 && CppTools::isValidIdentifierChar(textDocument->characterAt(pos - 1))))
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return 0;
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while (CppTools::isValidIdentifierChar(textDocument->characterAt(pos)))
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++pos;
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tc.setPosition(pos);
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ExpressionUnderCursor expressionUnderCursor(m_document->languageFeatures());
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*code = expressionUnderCursor(tc);
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return m_document->scopeAt(line, column - 1);
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}
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Symbol *CanonicalSymbol::operator()(const QTextCursor &cursor)
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{
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QString code;
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if (Scope *scope = getScopeAndExpression(cursor, &code))
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return operator()(scope, code);
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return 0;
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}
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Symbol *CanonicalSymbol::operator()(Scope *scope, const QString &code)
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{
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return canonicalSymbol(scope, code, m_typeOfExpression);
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}
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Symbol *CanonicalSymbol::canonicalSymbol(Scope *scope, const QString &code,
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TypeOfExpression &typeOfExpression)
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{
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const QList<LookupItem> results =
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typeOfExpression(code.toUtf8(), scope, TypeOfExpression::Preprocess);
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for (int i = results.size() - 1; i != -1; --i) {
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const LookupItem &r = results.at(i);
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Symbol *decl = r.declaration();
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if (!(decl && decl->enclosingScope()))
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break;
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if (Class *classScope = r.declaration()->enclosingScope()->asClass()) {
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const Identifier *declId = decl->identifier();
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const Identifier *classId = classScope->identifier();
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if (classId && classId->match(declId))
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continue; // skip it, it's a ctor or a dtor.
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if (Function *funTy = r.declaration()->type()->asFunctionType()) {
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if (funTy->isVirtual())
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return r.declaration();
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}
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}
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}
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for (int i = 0; i < results.size(); ++i) {
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const LookupItem &r = results.at(i);
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if (r.declaration())
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return r.declaration();
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}
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return 0;
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}
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} // namespace CppEditor
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