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/*
Copyright 2009 David Nolden <david.nolden.kdevelop@art-master.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "adaptsignatureaction.h"
#include <language/assistant/renameaction.h>
#include <language/codegen/documentchangeset.h>
#include <language/duchain/types/arraytype.h>
#include <language/duchain/duchain.h>
#include <language/duchain/duchainlock.h>
#include <language/duchain/duchainutils.h>
#include <KLocalizedString>
#include <KMessageBox>
#include "languages/cpp/cppduchain/cppduchain.h"
using namespace KDevelop;
using namespace Cpp;
QString makeSignatureString(const Signature& signature, DUContext* visibilityFrom) {
QString ret;
int pos = 0;
foreach(const ParameterItem& item, signature.parameters) {
if(!ret.isEmpty())
ret += ", ";
///TODO: merge common code with helpers.cpp::createArgumentList
AbstractType::Ptr type = item.first.abstractType();
QString arrayAppendix;
ArrayType::Ptr arrayType;
while ((arrayType = type.cast<ArrayType>())) {
type = arrayType->elementType();
//note: we have to prepend since we iterate from outside, i.e. from right to left.
if (arrayType->dimension()) {
arrayAppendix.prepend(QString("[%1]").arg(arrayType->dimension()));
} else {
// dimensionless
arrayAppendix.prepend("[]");
}
}
ret += Cpp::simplifiedTypeString(type, visibilityFrom);
if(!item.second.isEmpty())
ret += " " + item.second;
ret += arrayAppendix;
if (signature.defaultParams.size() > pos && !signature.defaultParams[pos].isEmpty())
ret += " = " + signature.defaultParams[pos];
++pos;
}
return ret;
}
AdaptSignatureAction::AdaptSignatureAction(
const DeclarationId& definitionId,
ReferencedTopDUContext definitionContext,
const Signature& oldSignature,
const Signature& newSignature,
bool editingDefinition,
QList<RenameAction*> renameActions
)
: m_otherSideId(definitionId),
m_otherSideTopContext(definitionContext),
m_oldSignature(oldSignature),
m_newSignature(newSignature),
m_editingDefinition(editingDefinition),
m_renameActions(renameActions) {
}
AdaptSignatureAction::~AdaptSignatureAction()
{
qDeleteAll(m_renameActions);
}
QString AdaptSignatureAction::description() const {
return m_editingDefinition ? i18n("Update declaration signature") : i18n("Update definition signature");
}
QString AdaptSignatureAction::toolTip() const {
DUChainReadLocker lock;
return i18n("Update %1\nfrom: %2(%3)%4\nto: %2(%5)%6",
m_editingDefinition ? i18n("declaration") : i18n("definition"),
m_otherSideId.qualifiedIdentifier().toString(),
makeSignatureString(m_oldSignature, m_otherSideTopContext.data()),
m_oldSignature.isConst ? " const" : "",
makeSignatureString(m_newSignature, m_otherSideTopContext.data()),
m_newSignature.isConst ? " const" : "");
}
void AdaptSignatureAction::execute() {
DUChainReadLocker lock;
IndexedString url = m_otherSideTopContext->url();
lock.unlock();
m_otherSideTopContext = DUChain::self()->waitForUpdate(url, TopDUContext::AllDeclarationsContextsAndUses);
if(!m_otherSideTopContext) {
kDebug() << "failed to update" << url.str();
return;
}
lock.lock();
Declaration* otherSide = m_otherSideId.getDeclaration(m_otherSideTopContext.data());
if(!otherSide) {
kDebug() << "could not find definition";
return;
}
DUContext* functionContext = DUChainUtils::getFunctionContext(otherSide);
if(!functionContext) {
kDebug() << "no function context";
return;
}
if(!functionContext || functionContext->type() != DUContext::Function) {
kDebug() << "no correct function context";
return;
}
DocumentChangeSet changes;
DocumentChange changeParameters(functionContext->url(), functionContext->rangeInCurrentRevision(), QString(), makeSignatureString(m_newSignature, m_otherSideTopContext.data()));
changeParameters.m_ignoreOldText = true;
changes.addChange( changeParameters );
CodeRepresentation::Ptr document = createCodeRepresentation(functionContext->url());
const int l = functionContext->range().start.line;
const QString line = document->line(l);
if (m_oldSignature.isConst != m_newSignature.isConst) {
///TODO: also use code representation here
QRegExp pattern( QLatin1String("\\)\\s*") );
RangeInRevision range = functionContext->range();
// go after closing paren
int i = line.indexOf(pattern, range.end.column);
if (i != -1) {
range.start.column = i;
// we replace the full regexp match
QString oldText = pattern.cap();
range.end.column = i + oldText.length();
// by the trimmed version (whitespaces are added below as neede)
QString newText = pattern.cap().trimmed();
if (m_oldSignature.isConst) {
// remove const token
oldText += "const";
range.end.column += 5;
} else {
// add it
newText += " const";
}
DocumentChange changeConstness(functionContext->url(), range.castToSimpleRange(), oldText, newText);
changes.addChange(changeConstness);
}
}
if (m_oldSignature.returnType != m_newSignature.returnType) {
QRegExp exe( QString("^(\\s*)(.+)\\s+(?:\\w+::)*\\b%1\\s*\\(").arg(otherSide->identifier().toString()), Qt::CaseSensitive, QRegExp::RegExp2 );
int pos = exe.indexIn(line);
if (pos != -1) {
QString oldText = exe.cap(2);
SimpleRange range = SimpleRange(l, exe.cap(1).length(), l, exe.cap(1).length() + oldText.length());
QString newText = Cpp::simplifiedTypeString(m_newSignature.returnType.abstractType(), functionContext->parentContext());
DocumentChange changeRetType(functionContext->url(), range, oldText, newText);
changes.addChange(changeRetType);
}
}
changes.setReplacementPolicy(DocumentChangeSet::WarnOnFailedChange);
DocumentChangeSet::ChangeResult result = changes.applyAllChanges();
if(!result) {
KMessageBox::error(0, i18n("Failed to apply changes: %1", result.m_failureReason));
}
emit executed(this);
foreach(RenameAction *renAct, m_renameActions)
renAct->execute();
}
#include "adaptsignatureaction.moc"
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