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Diffstat (limited to 'sources/shiboken2/ApiExtractor/clangparser/clangutils.cpp')
| -rw-r--r-- | sources/shiboken2/ApiExtractor/clangparser/clangutils.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/sources/shiboken2/ApiExtractor/clangparser/clangutils.cpp b/sources/shiboken2/ApiExtractor/clangparser/clangutils.cpp new file mode 100644 index 000000000..f30a585bc --- /dev/null +++ b/sources/shiboken2/ApiExtractor/clangparser/clangutils.cpp @@ -0,0 +1,227 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of PySide2. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** 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 |