Commit 6a700ff0 authored by Nikolai Kosjar's avatar Nikolai Kosjar

CppEditor: Extract CanonicalSymbol

Change-Id: I42c55f844c4228725251df8c985bfc275925f2ff
Reviewed-by: default avatarErik Verbruggen <erik.verbruggen@digia.com>
parent 3d849e37
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** 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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "cppcanonicalsymbol.h"
#include "cppeditor.h"
#include <cpptools/cpptoolsreuse.h>
#include <cplusplus/ExpressionUnderCursor.h>
#include <QTextCursor>
using namespace CPlusPlus;
namespace CppEditor {
namespace Internal {
CanonicalSymbol::CanonicalSymbol(CPPEditorWidget *editor,
const Document::Ptr &document,
const Snapshot &snapshot)
: m_editorWidget(editor),
m_document(document),
m_snapshot(snapshot)
{
m_typeOfExpression.init(document, snapshot);
m_typeOfExpression.setExpandTemplates(true);
}
const LookupContext &CanonicalSymbol::context() const
{
return m_typeOfExpression.context();
}
Scope *CanonicalSymbol::getScopeAndExpression(const QTextCursor &cursor, QString *code)
{
if (!m_document)
return 0;
QTextCursor tc = cursor;
int line, column;
m_editorWidget->convertPosition(tc.position(), &line, &column);
++column; // 1-based line and 1-based column
int pos = tc.position();
QTextDocument *textDocument = m_editorWidget->document();
if (!CppTools::isValidIdentifierChar(textDocument->characterAt(pos)))
if (!(pos > 0 && CppTools::isValidIdentifierChar(textDocument->characterAt(pos - 1))))
return 0;
while (CppTools::isValidIdentifierChar(textDocument->characterAt(pos)))
++pos;
tc.setPosition(pos);
ExpressionUnderCursor expressionUnderCursor;
*code = expressionUnderCursor(tc);
return m_document->scopeAt(line, column);
}
Symbol *CanonicalSymbol::operator()(const QTextCursor &cursor)
{
QString code;
if (Scope *scope = getScopeAndExpression(cursor, &code))
return operator()(scope, code);
return 0;
}
Symbol *CanonicalSymbol::operator()(Scope *scope, const QString &code)
{
return canonicalSymbol(scope, code, m_typeOfExpression);
}
Symbol *CanonicalSymbol::canonicalSymbol(Scope *scope, const QString &code,
TypeOfExpression &typeOfExpression)
{
const QList<LookupItem> results =
typeOfExpression(code.toUtf8(), scope, TypeOfExpression::Preprocess);
for (int i = results.size() - 1; i != -1; --i) {
const LookupItem &r = results.at(i);
Symbol *decl = r.declaration();
if (!(decl && decl->enclosingScope()))
break;
if (Class *classScope = r.declaration()->enclosingScope()->asClass()) {
const Identifier *declId = decl->identifier();
const Identifier *classId = classScope->identifier();
if (classId && classId->match(declId))
continue; // skip it, it's a ctor or a dtor.
if (Function *funTy = r.declaration()->type()->asFunctionType()) {
if (funTy->isVirtual())
return r.declaration();
}
}
}
for (int i = 0; i < results.size(); ++i) {
const LookupItem &r = results.at(i);
if (r.declaration())
return r.declaration();
}
return 0;
}
} // namespace Internal
} // namespace CppEditor
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** 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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef CPPCANONICALSYMBOL_H
#define CPPCANONICALSYMBOL_H
#include <cplusplus/LookupContext.h>
#include <cplusplus/Symbol.h>
#include <cplusplus/TypeOfExpression.h>
QT_FORWARD_DECLARE_CLASS(QTextCursor)
namespace CppEditor {
namespace Internal {
class CPPEditorWidget;
class CanonicalSymbol
{
public:
CanonicalSymbol(CPPEditorWidget *editorWidget,
const CPlusPlus::Document::Ptr &document,
const CPlusPlus::Snapshot &snapshot);
const CPlusPlus::LookupContext &context() const;
CPlusPlus::Scope *getScopeAndExpression(const QTextCursor &cursor, QString *code);
CPlusPlus::Symbol *operator()(const QTextCursor &cursor);
CPlusPlus::Symbol *operator()(CPlusPlus::Scope *scope, const QString &code);
public:
static CPlusPlus::Symbol *canonicalSymbol(CPlusPlus::Scope *scope,
const QString &code,
CPlusPlus::TypeOfExpression &typeOfExpression);
private:
CPPEditorWidget *m_editorWidget;
CPlusPlus::Document::Ptr m_document;
CPlusPlus::Snapshot m_snapshot;
CPlusPlus::TypeOfExpression m_typeOfExpression;
};
} // namespace Internal
} // namespace CppEditor
#endif // CPPCANONICALSYMBOL_H
......@@ -30,10 +30,11 @@
#include "cppeditor.h"
#include "cppautocompleter.h"
#include "cppcanonicalsymbol.h"
#include "cppdocumentationcommenthelper.h"
#include "cppeditorconstants.h"
#include "cppeditoroutline.h"
#include "cppeditorplugin.h"
#include "cppdocumentationcommenthelper.h"
#include "cppfollowsymbolundercursor.h"
#include "cpphighlighter.h"
#include "cpplocalrenaming.h"
......@@ -92,109 +93,6 @@ using namespace CppEditor::Internal;
namespace {
class CanonicalSymbol
{
public:
CanonicalSymbol(CPPEditorWidget *editor,
const Document::Ptr &document,
const Snapshot &snapshot)
: m_editor(editor),
m_document(document),
m_snapshot(snapshot)
{
m_typeOfExpression.init(document, snapshot);
m_typeOfExpression.setExpandTemplates(true);
}
const LookupContext &context() const
{
return m_typeOfExpression.context();
}
Scope *getScopeAndExpression(const QTextCursor &cursor, QString *code)
{
if (!m_document)
return 0;
QTextCursor tc = cursor;
int line, column;
m_editor->convertPosition(tc.position(), &line, &column);
++column; // 1-based line and 1-based column
int pos = tc.position();
QTextDocument *textDocument = m_editor->document();
if (!isValidIdentifierChar(textDocument->characterAt(pos)))
if (!(pos > 0 && isValidIdentifierChar(textDocument->characterAt(pos - 1))))
return 0;
while (isValidIdentifierChar(textDocument->characterAt(pos)))
++pos;
tc.setPosition(pos);
ExpressionUnderCursor expressionUnderCursor;
*code = expressionUnderCursor(tc);
return m_document->scopeAt(line, column);
}
Symbol *operator()(const QTextCursor &cursor)
{
QString code;
if (Scope *scope = getScopeAndExpression(cursor, &code))
return operator()(scope, code);
return 0;
}
Symbol *operator()(Scope *scope, const QString &code)
{
return canonicalSymbol(scope, code, m_typeOfExpression);
}
static Symbol *canonicalSymbol(Scope *scope, const QString &code,
TypeOfExpression &typeOfExpression)
{
const QList<LookupItem> results =
typeOfExpression(code.toUtf8(), scope, TypeOfExpression::Preprocess);
for (int i = results.size() - 1; i != -1; --i) {
const LookupItem &r = results.at(i);
Symbol *decl = r.declaration();
if (!(decl && decl->enclosingScope()))
break;
if (Class *classScope = r.declaration()->enclosingScope()->asClass()) {
const Identifier *declId = decl->identifier();
const Identifier *classId = classScope->identifier();
if (classId && classId->match(declId))
continue; // skip it, it's a ctor or a dtor.
if (Function *funTy = r.declaration()->type()->asFunctionType()) {
if (funTy->isVirtual())
return r.declaration();
}
}
}
for (int i = 0; i < results.size(); ++i) {
const LookupItem &r = results.at(i);
if (r.declaration())
return r.declaration();
}
return 0;
}
private:
CPPEditorWidget *m_editor;
TypeOfExpression m_typeOfExpression;
Document::Ptr m_document;
Snapshot m_snapshot;
};
QTimer *newSingleShotTimer(QObject *parent, int msecInterval)
{
QTimer *timer = new QTimer(parent);
......
......@@ -3,6 +3,7 @@ include(../../qtcreatorplugin.pri)
HEADERS += \
cppautocompleter.h \
cppcanonicalsymbol.h \
cppclasswizard.h \
cppcodemodelinspectordialog.h \
cppdocumentationcommenthelper.h \
......@@ -38,6 +39,7 @@ HEADERS += \
SOURCES += \
cppautocompleter.cpp \
cppcanonicalsymbol.cpp \
cppclasswizard.cpp \
cppcodemodelinspectordialog.cpp \
cppdocumentationcommenthelper.cpp \
......
......@@ -20,6 +20,7 @@ QtcPlugin {
files: [
"cppautocompleter.cpp", "cppautocompleter.h",
"cppcanonicalsymbol.cpp", "cppcanonicalsymbol.h",
"cppclasswizard.cpp", "cppclasswizard.h",
"cppcodemodelinspectordialog.cpp", "cppcodemodelinspectordialog.h", "cppcodemodelinspectordialog.ui",
"cppdocumentationcommenthelper.cpp", "cppdocumentationcommenthelper.h",
......
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