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Copy pathusebuilder.cpp
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149 lines (128 loc) · 6.13 KB
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/*****************************************************************************
* Copyright (c) 2007 Piyush verma <piyush.verma@gmail.com> *
* Copyright 2010-2013 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 "usebuilder.h"
#include <QDebug>
#include "duchaindebug.h"
#include <KUrl>
#include <language/duchain/declaration.h>
#include <language/duchain/use.h>
#include <language/duchain/topducontext.h>
#include <language/duchain/duchain.h>
#include <language/duchain/duchainlock.h>
#include <language/duchain/types/structuretype.h>
#include "parsesession.h"
#include "pythoneditorintegrator.h"
#include "ast.h"
#include "expressionvisitor.h"
#include "helpers.h"
using namespace KTextEditor;
using namespace KDevelop;
namespace Python {
UseBuilder::UseBuilder (PythonEditorIntegrator* editor) : UseBuilderBase(), m_errorReportingEnabled(true)
{
setEditor(editor);
}
DUContext* UseBuilder::contextAtOrCurrent(const CursorInRevision& pos)
{
DUContext* context = 0;
{
DUChainReadLocker lock;
context = topContext()->findContextAt(pos, true);
}
if ( ! context ) {
context = currentContext();
}
return context;
}
void UseBuilder::visitName(NameAst* node)
{
DUContext* context = contextAtOrCurrent(editorFindPositionSafe(node));
Declaration* declaration = Helper::declarationForName(identifierForNode(node->identifier),
editorFindRange(node, node),
DUChainPointer<const DUContext>(context));
static QStringList keywords;
if ( keywords.isEmpty() ) {
keywords << "None" << "True" << "False" << "print";
}
Q_ASSERT(node->identifier);
RangeInRevision useRange = rangeForNode(node->identifier, true);
if ( declaration && declaration->range() == useRange ) return;
if ( ! declaration && ! keywords.contains(node->identifier->value) && m_errorReportingEnabled ) {
KDevelop::Problem *p = new KDevelop::Problem();
p->setFinalLocation(DocumentRange(currentlyParsedDocument(), useRange.castToSimpleRange())); // TODO ok?
p->setSource(KDevelop::ProblemData::SemanticAnalysis);
p->setSeverity(KDevelop::ProblemData::Hint);
p->setDescription(i18n("Undefined variable: %1", node->identifier->value));
{
DUChainWriteLocker wlock(DUChain::lock());
ProblemPointer ptr(p);
topContext()->addProblem(ptr);
}
}
if ( declaration && declaration->abstractType() && declaration->abstractType()->whichType() == AbstractType::TypeStructure ) {
if ( node->belongsToCall ) {
DUChainReadLocker lock;
QPair< Python::FunctionDeclarationPointer, bool > constructor = Helper::
functionDeclarationForCalledDeclaration(DeclarationPointer(declaration));
lock.unlock();
bool isConstructor = constructor.second;
if ( isConstructor ) {
RangeInRevision constructorRange;
// TODO fixme! this does not necessarily use the opening bracket as it should
constructorRange.start = CursorInRevision(node->endLine, node->endCol + 1);
constructorRange.end = CursorInRevision(node->endLine, node->endCol + 2);
UseBuilderBase::newUse(node, constructorRange, DeclarationPointer(constructor.first));
}
}
}
UseBuilderBase::newUse(node, useRange, DeclarationPointer(declaration));
}
void UseBuilder::visitAttribute(AttributeAst* node)
{
qCDebug(KDEV_PYTHON_DUCHAIN) << "VisitAttribute start";
UseBuilderBase::visitAttribute(node);
qCDebug(KDEV_PYTHON_DUCHAIN) << "Visit Attribute base end";
DUContext* context = contextAtOrCurrent(editorFindPositionSafe(node));
ExpressionVisitor v(context);
v.visitNode(node);
RangeInRevision useRange(node->attribute->startLine, node->attribute->startCol,
node->attribute->endLine, node->attribute->endCol + 1);
DeclarationPointer declaration = v.lastDeclaration();
DUChainWriteLocker wlock;
if ( declaration && declaration->range() == useRange ) {
// this is the declaration, don't build a use for it
return;
}
if ( ! declaration && v.isConfident() && ( ! v.lastType() || Helper::isUsefulType(v.lastType()) ) ) {
KDevelop::Problem *p = new KDevelop::Problem();
p->setFinalLocation(DocumentRange(currentlyParsedDocument(), useRange.castToSimpleRange()));
p->setSource(KDevelop::ProblemData::SemanticAnalysis);
p->setSeverity(KDevelop::ProblemData::Hint);
p->setDescription(i18n("Attribute \"%1\" not found on accessed object", node->attribute->value));
ProblemPointer ptr(p);
topContext()->addProblem(ptr);
}
UseBuilderBase::newUse(node, useRange, declaration);
}
ParseSession *UseBuilder::parseSession() const
{
return m_session;
}
}
// kate: space-indent on; indent-width 4; tab-width 4; replace-tabs on; auto-insert-doxygen on