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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
******************************************************************************/
#include <qglobal.h>
// GCC 11 thinks diagMsg.fixSuggestion.fixes.d.ptr is somehow uninitialized in
// QList::emplaceBack(), probably called from QQmlJsLogger::log()
// Ditto for GCC 12, but it emits a different warning
QT_WARNING_PUSH
QT_WARNING_DISABLE_GCC("-Wuninitialized")
QT_WARNING_DISABLE_GCC("-Wmaybe-uninitialized")
#include <qlist.h>
QT_WARNING_POP
#include "qqmljslogger_p.h"
const QMap<QString, QQmlJSLogger::Option> &QQmlJSLogger::options() {
static QMap<QString, QQmlJSLogger::Option> optionsMap = {
{ QStringLiteral("required"),
QQmlJSLogger::Option(Log_Required, QStringLiteral("RequiredProperty"),
QStringLiteral("Warn about required properties"), QtWarningMsg) },
{ QStringLiteral("alias"),
QQmlJSLogger::Option(Log_Alias, QStringLiteral("PropertyAlias"),
QStringLiteral("Warn about alias errors"), QtWarningMsg) },
{ QStringLiteral("import"),
QQmlJSLogger::Option(Log_Import, QStringLiteral("ImportFailure"),
QStringLiteral("Warn about failing imports and deprecated qmltypes"),
QtWarningMsg) },
{ QStringLiteral("with"),
QQmlJSLogger::Option(Log_WithStatement, QStringLiteral("WithStatement"),
QStringLiteral("Warn about with statements as they can cause false "
"positives when checking for unqualified access"),
QtWarningMsg) },
{ QStringLiteral("inheritance-cycle"),
QQmlJSLogger::Option(Log_InheritanceCycle, QStringLiteral("InheritanceCycle"),
QStringLiteral("Warn about inheritance cycles"), QtWarningMsg) },
{ QStringLiteral("deprecated"),
QQmlJSLogger::Option(Log_Deprecation, QStringLiteral("Deprecated"),
QStringLiteral("Warn about deprecated properties and types"),
QtWarningMsg) },
{ QStringLiteral("signal"),
QQmlJSLogger::Option(Log_Signal, QStringLiteral("BadSignalHandler"),
QStringLiteral("Warn about bad signal handler parameters"),
QtWarningMsg) },
{ QStringLiteral("type"),
QQmlJSLogger::Option(Log_Type, QStringLiteral("TypeError"),
QStringLiteral("Warn about unresolvable types and type mismatches"),
QtWarningMsg) },
{ QStringLiteral("property"),
QQmlJSLogger::Option(Log_Property, QStringLiteral("UnknownProperty"),
QStringLiteral("Warn about unknown properties"), QtWarningMsg) },
{ QStringLiteral("unqualified"),
QQmlJSLogger::Option(
Log_UnqualifiedAccess, QStringLiteral("UnqualifiedAccess"),
QStringLiteral("Warn about unqualified identifiers and how to fix them"),
QtWarningMsg) },
{ QStringLiteral("unused-imports"),
QQmlJSLogger::Option(Log_UnusedImport, QStringLiteral("UnusedImports"),
QStringLiteral("Warn about unused imports"), QtInfoMsg) },
{ QStringLiteral("multiline-strings"),
QQmlJSLogger::Option(Log_MultilineString, QStringLiteral("MultilineStrings"),
QStringLiteral("Warn about multiline strings"), QtInfoMsg) }
};
return optionsMap;
}
QQmlJSLogger::QQmlJSLogger(const QString &fileName, const QString &code, bool silent) : m_fileName(fileName), m_code(code), m_output(silent)
{
const auto &opt = options();
for (auto it = opt.cbegin(); it != opt.cend(); ++it) {
m_categoryLevels[it.value().m_category] = it.value().m_level;
m_categoryDisabled[it.value().m_category] = it.value().m_disabled;
}
// These have to be set up manually since we don't expose it as an option
m_categoryLevels[Log_RecursionDepthError] = QtCriticalMsg;
m_categoryLevels[Log_Syntax] = QtCriticalMsg;
// setup color output
m_output.insertMapping(QtCriticalMsg, QColorOutput::RedForeground);
m_output.insertMapping(QtWarningMsg, QColorOutput::PurpleForeground);
m_output.insertMapping(QtInfoMsg, QColorOutput::BlueForeground);
m_output.insertMapping(QtDebugMsg, QColorOutput::GreenForeground);
}
void QQmlJSLogger::log(const QString &message, QQmlJSLoggerCategory category, const QQmlJS::SourceLocation &srcLocation, bool showContext, bool showFileName)
{
if (isCategoryDisabled(category))
return;
if (srcLocation.isValid() && m_ignoredWarnings[srcLocation.startLine].contains(category))
return;
const QtMsgType msgType = m_categoryLevels[category];
QString prefix;
if (!m_fileName.isEmpty() && showFileName)
prefix = m_fileName + QStringLiteral(":");
if (srcLocation.isValid())
prefix += QStringLiteral("%1:%2:").arg(srcLocation.startLine).arg(srcLocation.startColumn);
if (!prefix.isEmpty())
prefix.append(QLatin1Char(' '));
m_output.writePrefixedMessage(prefix + message, msgType);
QQmlJS::DiagnosticMessage diagMsg;
diagMsg.message = message;
diagMsg.loc = srcLocation;
diagMsg.type = msgType;
switch (msgType) {
case QtWarningMsg: m_warnings.push_back(diagMsg); break;
case QtCriticalMsg: m_errors.push_back(diagMsg); break;
case QtInfoMsg: m_infos.push_back(diagMsg); break;
default: break;
}
if (srcLocation.isValid() && !m_code.isEmpty() && showContext)
printContext(srcLocation);
}
void QQmlJSLogger::processMessages(const QList<QQmlJS::DiagnosticMessage> &messages, QQmlJSLoggerCategory category)
{
if (isCategoryDisabled(category) || messages.isEmpty())
return;
m_output.write(QStringLiteral("---\n"));
for (const QQmlJS::DiagnosticMessage &message : messages)
log(message.message, category, QQmlJS::SourceLocation(), false, false);
m_output.write(QStringLiteral("---\n\n"));
}
void QQmlJSLogger::printContext(const QQmlJS::SourceLocation &location)
{
IssueLocationWithContext issueLocationWithContext { m_code, location };
if (const QStringView beforeText = issueLocationWithContext.beforeText(); !beforeText.isEmpty())
m_output.write(beforeText);
bool locationMultiline = issueLocationWithContext.issueText().contains(QLatin1Char('\n'));
m_output.write(issueLocationWithContext.issueText().toString(), QtCriticalMsg);
m_output.write(issueLocationWithContext.afterText() + QLatin1Char('\n'));
// Do not draw location indicator for multiline locations
if (locationMultiline)
return;
int tabCount = issueLocationWithContext.beforeText().count(QLatin1Char('\t'));
m_output.write(QString::fromLatin1(" ").repeated(
issueLocationWithContext.beforeText().length() - tabCount)
+ QString::fromLatin1("\t").repeated(tabCount)
+ QString::fromLatin1("^").repeated(location.length)
+ QLatin1Char('\n'));
}
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