searchsymbols.cpp 7.43 KB
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/**************************************************************************
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**
** This file is part of Qt Creator
**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "searchsymbols.h"

#include <Literals.h>
#include <Scope.h>
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#include <Names.h>
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#include <cplusplus/LookupContext.h>
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#include <QDebug>
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using namespace CPlusPlus;
using namespace CppTools::Internal;

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SearchSymbols::SymbolTypes SearchSymbols::AllTypes =
        SearchSymbols::Classes
        | SearchSymbols::Functions
        | SearchSymbols::Enums
        | SearchSymbols::Declarations;

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SearchSymbols::SearchSymbols():
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    symbolsToSearchFor(Classes | Functions | Enums),
    separateScope(false)
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{
}

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void SearchSymbols::setSymbolsToSearchFor(SymbolTypes types)
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{
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    symbolsToSearchFor = types;
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}

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void SearchSymbols::setSeparateScope(bool separateScope)
{
    this->separateScope = separateScope;
}

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QList<ModelItemInfo> SearchSymbols::operator()(Document::Ptr doc, const QString &scope)
{
    QString previousScope = switchScope(scope);
    items.clear();
    for (unsigned i = 0; i < doc->globalSymbolCount(); ++i) {
        accept(doc->globalSymbolAt(i));
    }
    (void) switchScope(previousScope);
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    QList<ModelItemInfo> result = items;
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    strings.clear();
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    items.clear();
    m_paths.clear();
    return result;
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}

QString SearchSymbols::switchScope(const QString &scope)
{
    QString previousScope = _scope;
    _scope = scope;
    return previousScope;
}

bool SearchSymbols::visit(Enum *symbol)
{
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    if (!(symbolsToSearchFor & Enums))
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        return false;

    QString name = symbolName(symbol);
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    QString scopedName = scopedSymbolName(name);
    QString previousScope = switchScope(scopedName);
    appendItem(separateScope ? name : scopedName,
               separateScope ? previousScope : QString(),
               ModelItemInfo::Enum, symbol);
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    for (unsigned i = 0; i < symbol->memberCount(); ++i) {
        accept(symbol->memberAt(i));
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    }
    (void) switchScope(previousScope);
    return false;
}

bool SearchSymbols::visit(Function *symbol)
{
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    if (!(symbolsToSearchFor & Functions))
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        return false;

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    QString extraScope;
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    if (const Name *name = symbol->name()) {
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        if (const QualifiedNameId *q = name->asQualifiedNameId()) {
            if (q->base())
                extraScope = overview.prettyName(q->base());
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        }
    }
    QString fullScope = _scope;
    if (!_scope.isEmpty() && !extraScope.isEmpty())
        fullScope += QLatin1String("::");
    fullScope += extraScope;
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    QString name = symbolName(symbol);
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    QString scopedName = scopedSymbolName(name);
    QString type = overview.prettyType(symbol->type(),
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                                       separateScope ? symbol->unqualifiedName() : 0);
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    appendItem(separateScope ? type : scopedName,
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               separateScope ? fullScope : type,
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               ModelItemInfo::Method, symbol);
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    return false;
}

bool SearchSymbols::visit(Namespace *symbol)
{
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    QString name = scopedSymbolName(symbol);
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    QString previousScope = switchScope(name);
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    for (unsigned i = 0; i < symbol->memberCount(); ++i) {
        accept(symbol->memberAt(i));
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    }
    (void) switchScope(previousScope);
    return false;
}

bool SearchSymbols::visit(Declaration *symbol)
{
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    if (!(symbolsToSearchFor & Declarations))
        return false;

    QString name = symbolName(symbol);
    QString scopedName = scopedSymbolName(name);
    QString type = overview.prettyType(symbol->type(),
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                                       separateScope ? symbol->unqualifiedName() : 0);
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    appendItem(separateScope ? type : scopedName,
               separateScope ? _scope : type,
               ModelItemInfo::Declaration, symbol);
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    return false;
}

bool SearchSymbols::visit(Class *symbol)
{
    QString name = symbolName(symbol);
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    QString scopedName = scopedSymbolName(name);
    QString previousScope = switchScope(scopedName);
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    if (symbolsToSearchFor & Classes) {
        appendItem(separateScope ? name : scopedName,
                   separateScope ? previousScope : QString(),
                   ModelItemInfo::Class, symbol);
    }
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    for (unsigned i = 0; i < symbol->memberCount(); ++i) {
        accept(symbol->memberAt(i));
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    }
    (void) switchScope(previousScope);
    return false;
}

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QString SearchSymbols::scopedSymbolName(const QString &symbolName) const
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{
    QString name = _scope;
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    if (!name.isEmpty())
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        name += QLatin1String("::");
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    name += symbolName;
    return name;
}

QString SearchSymbols::scopedSymbolName(const Symbol *symbol) const
{
    return scopedSymbolName(symbolName(symbol));
}

QString SearchSymbols::symbolName(const Symbol *symbol) const
{
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    QString symbolName = overview.prettyName(symbol->name());
    if (symbolName.isEmpty()) {
        QString type;
        if (symbol->isNamespace()) {
            type = QLatin1String("namespace");
        } else if (symbol->isEnum()) {
            type = QLatin1String("enum");
        } else if (const Class *c = symbol->asClass())  {
            if (c->isUnion()) {
                type = QLatin1String("union");
            } else if (c->isStruct()) {
                type = QLatin1String("struct");
            } else {
                type = QLatin1String("class");
            }
        } else {
            type = QLatin1String("symbol");
        }
        symbolName = QLatin1String("<anonymous ");
        symbolName += type;
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        symbolName += QLatin1Char('>');
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    }
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    return symbolName;
}

void SearchSymbols::appendItem(const QString &name,
                               const QString &info,
                               ModelItemInfo::ItemType type,
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                               Symbol *symbol)
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{
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    if (!symbol->name())
        return;

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    QStringList fullyQualifiedName;
    foreach (const Name *name, LookupContext::fullyQualifiedName(symbol))
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        fullyQualifiedName.append(findOrInsert(overview.prettyName(name)));
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    QString path = m_paths.value(symbol->fileId(), QString());
    if (path.isEmpty()) {
        path = QString::fromUtf8(symbol->fileName(), symbol->fileNameLength());
        m_paths.insert(symbol->fileId(), path);
    }

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    const QIcon icon = icons.iconForSymbol(symbol);
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    items.append(ModelItemInfo(findOrInsert(name), findOrInsert(info), type,
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                               fullyQualifiedName,
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                               path,
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                               symbol->line(),
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                               symbol->column() - 1, // 1-based vs 0-based column
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                               icon));
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}