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/*****************************************************************************
* Copyright (c) 2011 Sven Brauch <svenbrauch@googlemail.com> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*****************************************************************************
*/
#include "functiondeclaration.h"
#include <language/codecompletion/normaldeclarationcompletionitem.h>
#include <language/codecompletion/codecompletionmodel.h>
#include <language/duchain/types/functiontype.h>
#include <language/duchain/aliasdeclaration.h>
#include <language/duchain/types/containertypes.h>
#include <shell/partcontroller.h>
#include <KTextEditor/View>
#include <KTextEditor/Document>
#include <KLocalizedString>
#include "duchain/navigation/navigationwidget.h"
#include "codecompletion/helpers.h"
#include "declaration.h"
#include "declarations/functiondeclaration.h"
#include "duchain/helpers.h"
#include <QDebug>
#include <codecompletiondebug.h>
using namespace KDevelop;
using namespace KTextEditor;
namespace Python {
FunctionDeclarationCompletionItem::FunctionDeclarationCompletionItem(DeclarationPointer decl, CodeCompletionContext::Ptr context)
: PythonDeclarationCompletionItem(decl, context)
, m_atArgument(-1)
, m_depth(0)
, m_doNotCall(false)
{
}
int FunctionDeclarationCompletionItem::atArgument() const
{
return m_atArgument;
}
void FunctionDeclarationCompletionItem::setDepth(int d)
{
m_depth = d;
}
void FunctionDeclarationCompletionItem::setAtArgument(int d)
{
m_atArgument = d;
}
int FunctionDeclarationCompletionItem::argumentHintDepth() const
{
return m_depth;
}
QVariant FunctionDeclarationCompletionItem::data(const QModelIndex& index, int role, const KDevelop::CodeCompletionModel* model) const
{
DUChainReadLocker lock;
FunctionDeclaration* dec = dynamic_cast<FunctionDeclaration*>(m_declaration.data());
switch ( role ) {
case Qt::DisplayRole: {
if ( ! dec ) {
break; // use the default
}
if ( index.column() == KDevelop::CodeCompletionModel::Arguments ) {
if (FunctionType::Ptr functionType = dec->type<FunctionType>()) {
QString ret;
createArgumentList(dec, ret, nullptr, 0, false);
return ret;
}
}
if ( index.column() == KDevelop::CodeCompletionModel::Prefix ) {
FunctionType::Ptr type = dec->type<FunctionType>();
if ( type && type->returnType() ) {
return i18n("function") + " -> " + type->returnType()->toString();
}
}
break;
}
case KDevelop::CodeCompletionModel::HighlightingMethod: {
if ( index.column() == KDevelop::CodeCompletionModel::Arguments )
return QVariant(KDevelop::CodeCompletionModel::CustomHighlighting);
break;
}
case KDevelop::CodeCompletionModel::CustomHighlight: {
if ( index.column() == KDevelop::CodeCompletionModel::Arguments ) {
if ( ! dec ) return QVariant();
QString ret;
QList<QVariant> highlight;
if ( atArgument() ) {
createArgumentList(dec, ret, &highlight, atArgument(), false);
}
else {
createArgumentList(dec, ret, nullptr, false);
}
return QVariant(highlight);
}
break;
}
case KDevelop::CodeCompletionModel::MatchQuality: {
if ( m_typeHint == PythonCodeCompletionContext::IterableRequested
&& dec && dec->type<FunctionType>()
&& dynamic_cast<ListType*>(dec->type<FunctionType>()->returnType().data()) )
{
return 2 + PythonDeclarationCompletionItem::data(index, role, model).toInt();
}
return PythonDeclarationCompletionItem::data(index, role, model);
}
}
return Python::PythonDeclarationCompletionItem::data(index, role, model);
}
void FunctionDeclarationCompletionItem::setDoNotCall(bool doNotCall)
{
m_doNotCall = doNotCall;
}
void FunctionDeclarationCompletionItem::executed(KTextEditor::View* view, const KTextEditor::Range& word)
{
qCDebug(KDEV_PYTHON_CODECOMPLETION) << "FunctionDeclarationCompletionItem executed";
KTextEditor::Document* document = view->document();
auto resolvedDecl = Helper::resolveAliasDeclaration(declaration().data());
DUChainReadLocker lock;
auto functionDecl = Helper::functionForCalled(resolvedDecl).declaration;
lock.unlock();
if ( ! functionDecl && (! resolvedDecl || ! resolvedDecl->abstractType()
|| resolvedDecl->abstractType()->whichType() != AbstractType::TypeStructure) ) {
qCritical(KDEV_PYTHON_CODECOMPLETION) << "ERROR: could not get declaration data, not executing completion item!";
return;
}
QString suffix = "()";
KTextEditor::Range checkPrefix(word.start().line(), 0, word.start().line(), word.start().column());
KTextEditor::Range checkSuffix(word.end().line(), word.end().column(), word.end().line(), document->lineLength(word.end().line()));
if ( m_doNotCall || document->text(checkSuffix).trimmed().startsWith('(')
|| document->text(checkPrefix).trimmed().endsWith('@')
|| (functionDecl && functionDecl->isProperty()) )
{
// don't insert brackets if they're already there,
// the item is a decorator, or if it's an import item.
suffix.clear();
}
// place cursor behind bracktes by default
int skip = 2;
if ( functionDecl ) {
bool needsArguments = false;
int argumentCount = functionDecl->type<FunctionType>()->arguments().length();
if ( functionDecl->context()->type() == KDevelop::DUContext::Class ) {
// it's a member function, so it has the implicit self
// TODO static methods
needsArguments = argumentCount > 1;
}
else {
// it's a free function
needsArguments = argumentCount > 0;
}
if ( needsArguments ) {
// place cursor in brackets if there's parameters
skip = 1;
}
}
document->replaceText(word, declaration()->identifier().toString() + suffix);
view->setCursorPosition( Cursor(word.end().line(), word.end().column() + skip) );
}
FunctionDeclarationCompletionItem::~FunctionDeclarationCompletionItem() { }
}
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