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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt for Python.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "clangutils.h"
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QHashFunctions>
#include <QtCore/QProcess>
bool operator==(const CXCursor &c1, const CXCursor &c2)
{
return c1.kind == c2.kind
&& c1.xdata == c2.xdata
&& std::equal(c1.data, c1.data + sizeof(c1.data) / sizeof(c1.data[0]), c2.data);
}
uint qHash(const CXCursor &c, uint seed)
{
return qHash(c.kind) ^ qHash(c.xdata) ^ qHash(c.data[0])
^ qHash(c.data[1]) ^ qHash(c.data[2]) ^ seed;
}
namespace clang {
SourceLocation getExpansionLocation(const CXSourceLocation &location)
{
SourceLocation result;
CXFile file; // void *
clang_getExpansionLocation(location, &file, &result.line, &result.column, &result.offset);
const CXString cxFileName = clang_getFileName(file);
// Has been observed to be 0 for invalid locations
if (const char *cFileName = clang_getCString(cxFileName))
result.file = QString::fromUtf8(cFileName);
clang_disposeString(cxFileName);
return result;
}
SourceLocation getCursorLocation(const CXCursor &cursor)
{
const CXSourceRange extent = clang_getCursorExtent(cursor);
return getExpansionLocation(clang_getRangeStart(extent));
}
CXString getFileNameFromLocation(const CXSourceLocation &location)
{
CXFile file;
unsigned line;
unsigned column;
unsigned offset;
clang_getExpansionLocation(location, &file, &line, &column, &offset);
return clang_getFileName(file);
}
SourceRange getCursorRange(const CXCursor &cursor)
{
const CXSourceRange extent = clang_getCursorExtent(cursor);
return qMakePair(getExpansionLocation(clang_getRangeStart(extent)),
getExpansionLocation(clang_getRangeEnd(extent)));
}
QString getCursorKindName(CXCursorKind cursorKind)
{
CXString kindName = clang_getCursorKindSpelling(cursorKind);
const QString result = QString::fromUtf8(clang_getCString(kindName));
clang_disposeString(kindName);
return result;
}
QString getCursorSpelling(const CXCursor &cursor)
{
CXString cursorSpelling = clang_getCursorSpelling(cursor);
const QString result = QString::fromUtf8(clang_getCString(cursorSpelling));
clang_disposeString(cursorSpelling);
return result;
}
QString getCursorDisplayName(const CXCursor &cursor)
{
CXString displayName = clang_getCursorDisplayName(cursor);
const QString result = QString::fromUtf8(clang_getCString(displayName));
clang_disposeString(displayName);
return result;
}
QString getTypeName(const CXType &type)
{
CXString typeSpelling = clang_getTypeSpelling(type);
const QString result = QString::fromUtf8(clang_getCString(typeSpelling));
clang_disposeString(typeSpelling);
return result;
}
Diagnostic::Diagnostic(const QString &m, const CXCursor &c, CXDiagnosticSeverity s)
: message(m), location(getCursorLocation(c)), source(Other), severity(s)
{
}
Diagnostic Diagnostic::fromCXDiagnostic(CXDiagnostic cd)
{
Diagnostic result;
result.source = Clang;
CXString spelling = clang_getDiagnosticSpelling(cd);
result.message = QString::fromUtf8(clang_getCString(spelling));
clang_disposeString(spelling);
result.severity = clang_getDiagnosticSeverity(cd);
result.location = getExpansionLocation(clang_getDiagnosticLocation(cd));
CXDiagnosticSet childDiagnostics = clang_getChildDiagnostics(cd);
if (const unsigned childCount = clang_getNumDiagnosticsInSet(childDiagnostics)) {
result.childMessages.reserve(int(childCount));
const unsigned format = clang_defaultDiagnosticDisplayOptions();
for (unsigned i = 0; i < childCount; ++i) {
CXDiagnostic childDiagnostic = clang_getDiagnosticInSet(childDiagnostics, i);
CXString cdm = clang_formatDiagnostic(childDiagnostic, format);
result.childMessages.append(QString::fromUtf8(clang_getCString(cdm)));
clang_disposeString(cdm);
clang_disposeDiagnostic(childDiagnostic);
}
}
return result;
}
QVector<Diagnostic> getDiagnostics(CXTranslationUnit tu)
{
QVector<Diagnostic> result;
const unsigned count = clang_getNumDiagnostics(tu);
result.reserve(int(count));
for (unsigned i = 0; i < count; ++i) {
const CXDiagnostic d = clang_getDiagnostic(tu, i);
result.append(Diagnostic::fromCXDiagnostic(d));
clang_disposeDiagnostic(d);
}
return result;
}
CXDiagnosticSeverity maxSeverity(const QVector<Diagnostic> &ds)
{
CXDiagnosticSeverity result = CXDiagnostic_Ignored;
for (const Diagnostic& d : ds) {
if (d.severity > result)
result = d.severity;
}
return result;
}
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug s, const SourceLocation &l)
{
QDebugStateSaver saver(s);
s.nospace();
s.noquote();
s << QDir::toNativeSeparators(l.file) << ':' << l.line;
if (l.column)
s << ':' << l.column;
return s;
}
// Roughly follow g++ format:
// file.cpp:214:37: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
QDebug operator<<(QDebug s, const Diagnostic &d)
{
QDebugStateSaver saver(s);
s.nospace();
s.noquote();
s << d.location << ": ";
switch (d.severity) {
case CXDiagnostic_Ignored:
s << "ignored";
break;
case CXDiagnostic_Note:
s << "note";
break;
case CXDiagnostic_Warning:
s << "warning";
break;
case CXDiagnostic_Error:
s << "error";
break;
case CXDiagnostic_Fatal:
s << "fatal";
break;
}
s << ": " << d.message;
if (d.source != Diagnostic::Clang)
s << " [other]";
if (const int childMessagesCount = d.childMessages.size()) {
s << '\n';
for (int i = 0; i < childMessagesCount; ++i)
s << " " << d.childMessages.at(i) << '\n';
}
return s;
}
#endif // QT_NO_DEBUG_STREAM
} // namespace clang
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