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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qqmldomoutwriter_p.h"
#include "qqmldomattachedinfo_p.h"
#include "qqmldomlinewriter_p.h"
#include "qqmldomitem_p.h"
#include "qqmldomcomments_p.h"
#include "qqmldomexternalitems_p.h"
#include "qqmldomtop_p.h"
#include <QtCore/QLoggingCategory>
QT_BEGIN_NAMESPACE
namespace QQmlJS {
namespace Dom {
OutWriterState::OutWriterState(Path itCanonicalPath, DomItem &it, FileLocations::Tree fLoc)
: itemCanonicalPath(itCanonicalPath), item(it), currentMap(fLoc)
{
DomItem cRegions = it.field(Fields::comments);
if (const RegionComments *cRegionsPtr = cRegions.as<RegionComments>()) {
pendingComments = cRegionsPtr->regionComments;
fLoc->info().ensureCommentLocations(pendingComments.keys());
}
}
void OutWriterState::closeState(OutWriter &w)
{
if (w.lineWriter.options().updateOptions & LineWriterOptions::Update::Locations)
w.lineWriter.endSourceLocation(fullRegionId);
if (!pendingRegions.isEmpty()) {
qCWarning(writeOutLog) << "PendingRegions non empty when closing item"
<< pendingRegions.keys();
auto iend = pendingRegions.end();
auto it = pendingRegions.begin();
while (it == iend) {
w.lineWriter.endSourceLocation(it.value());
++it;
}
}
if (!w.skipComments && !pendingComments.isEmpty())
qCWarning(writeOutLog) << "PendingComments when closing item "
<< item.canonicalPath().toString() << "for regions"
<< pendingComments.keys();
}
OutWriterState &OutWriter::state(int i)
{
return states[states.size() - 1 - i];
}
void OutWriter::itemStart(DomItem &it)
{
if (!topLocation->path())
topLocation->setPath(it.canonicalPath());
bool updateLocs = lineWriter.options().updateOptions & LineWriterOptions::Update::Locations;
FileLocations::Tree newFLoc = topLocation;
Path itP = it.canonicalPath();
if (updateLocs) {
if (!states.isEmpty()
&& states.last().itemCanonicalPath
== itP.mid(0, states.last().itemCanonicalPath.length())) {
int oldL = states.last().itemCanonicalPath.length();
newFLoc = FileLocations::ensure(states.last().currentMap,
itP.mid(oldL, itP.length() - oldL),
AttachedInfo::PathType::Relative);
} else {
newFLoc = FileLocations::ensure(topLocation, itP, AttachedInfo::PathType::Canonical);
}
}
states.append(OutWriterState(itP, it, newFLoc));
if (updateLocs)
state().fullRegionId = lineWriter.startSourceLocation(
[newFLoc](SourceLocation l) { FileLocations::updateFullLocation(newFLoc, l); });
regionStart(QString());
}
void OutWriter::itemEnd(DomItem &it)
{
Q_ASSERT(states.size() > 0);
Q_ASSERT(state().item == it);
regionEnd(QString());
state().closeState(*this);
states.removeLast();
}
void OutWriter::regionStart(QString rName)
{
Q_ASSERT(!state().pendingRegions.contains(rName));
FileLocations::Tree fMap = state().currentMap;
if (!skipComments && state().pendingComments.contains(rName)) {
bool updateLocs = lineWriter.options().updateOptions & LineWriterOptions::Update::Locations;
QList<SourceLocation> *cLocs =
(updateLocs ? &(fMap->info().preCommentLocations[rName]) : nullptr);
state().pendingComments[rName].writePre(*this, cLocs);
}
state().pendingRegions[rName] = lineWriter.startSourceLocation(
[rName, fMap](SourceLocation l) { FileLocations::addRegion(fMap, rName, l); });
}
void OutWriter::regionEnd(QString rName)
{
Q_ASSERT(state().pendingRegions.contains(rName));
FileLocations::Tree fMap = state().currentMap;
lineWriter.endSourceLocation(state().pendingRegions.value(rName));
state().pendingRegions.remove(rName);
if (state().pendingComments.contains(rName)) {
if (!skipComments) {
bool updateLocs =
lineWriter.options().updateOptions & LineWriterOptions::Update::Locations;
QList<SourceLocation> *cLocs =
(updateLocs ? &(fMap->info().postCommentLocations[rName]) : nullptr);
state().pendingComments[rName].writePost(*this, cLocs);
}
state().pendingComments.remove(rName);
}
}
OutWriter &OutWriter::writeRegion(QString rName, QStringView toWrite)
{
regionStart(rName);
lineWriter.write(toWrite);
regionEnd(rName);
return *this;
}
DomItem OutWriter::updatedFile(DomItem &qmlFile)
{
Q_ASSERT(qmlFile.internalKind() == DomType::QmlFile);
if (std::shared_ptr<QmlFile> qmlFilePtr = qmlFile.ownerAs<QmlFile>()) {
std::shared_ptr<QmlFile> copyPtr = qmlFilePtr->makeCopy(qmlFile);
DomItem env = qmlFile.environment();
std::shared_ptr<DomEnvironment> envPtr = env.ownerAs<DomEnvironment>();
Q_ASSERT(envPtr);
auto newEnvPtr = std::make_shared<DomEnvironment>(
envPtr, envPtr->loadPaths(), envPtr->options());
newEnvPtr->addQmlFile(copyPtr);
MutableDomItem copy = MutableDomItem(DomItem(newEnvPtr).copy(copyPtr));
FileLocations::Tree newLoc = topLocation;
Path qmlFilePath = qmlFile.canonicalPath();
if (newLoc->path() != qmlFilePath) {
if (newLoc->path()) {
if (newLoc->path().length() > qmlFilePath.length()
&& newLoc->path().mid(0, qmlFilePath.length()) == qmlFilePath) {
newLoc = FileLocations::createTree(qmlFilePath);
FileLocations::Tree loc =
FileLocations::ensure(newLoc, newLoc->path().mid(qmlFilePath.length()),
AttachedInfo::PathType::Relative);
loc->setSubItems(topLocation->subItems());
} else {
qCWarning(writeOutLog)
<< "failed to base fileLocations in OutWriter (" << newLoc->path()
<< ") to current file (" << qmlFilePath << ")";
}
} else {
newLoc = FileLocations::createTree(qmlFilePath);
Q_ASSERT(newLoc->subItems().isEmpty() && newLoc->info().regions.isEmpty());
}
}
copyPtr->setFileLocationsTree(newLoc);
UpdatedScriptExpression::visitTree(
reformattedScriptExpressions,
[©, qmlFilePath](Path p, UpdatedScriptExpression::Tree t) {
if (std::shared_ptr<ScriptExpression> exprPtr = t->info().expr) {
Q_ASSERT(p.mid(0, qmlFilePath.length()) == qmlFilePath);
MutableDomItem targetExpr = copy.path(p.mid(qmlFilePath.length()));
if (!targetExpr)
qCWarning(writeOutLog) << "failed to get" << p.mid(qmlFilePath.length())
<< "from" << copy.canonicalPath();
else if (exprPtr->ast()
|| (!targetExpr.as<ScriptExpression>()
|| !targetExpr.as<ScriptExpression>()->ast()))
targetExpr.setScript(exprPtr);
else {
qCWarning(writeOutLog).noquote()
<< "Skipped update of reformatted ScriptExpression with "
"code:\n---------------\n"
<< exprPtr->code() << "\n---------------\n preCode:" <<
[exprPtr](Sink s) { sinkEscaped(s, exprPtr->preCode()); }
<< "\n postCode: " <<
[exprPtr](Sink s) { sinkEscaped(s, exprPtr->postCode()); }
<< "\n as it failed standalone reparse with errors:" <<
[&targetExpr, exprPtr](Sink s) {
targetExpr.item()
.copy(exprPtr, targetExpr.canonicalPath())
.iterateErrors(
[s](DomItem, ErrorMessage msg) {
s(u"\n ");
msg.dump(s);
return true;
},
true);
}
<< "\n";
}
}
return true;
});
return copy.item();
}
return DomItem();
}
} // namespace Dom
} // namespace QQmlJS
QT_END_NAMESPACE
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