diff options
Diffstat (limited to 'sources/shiboken6/ApiExtractor/clangparser/clangutils.cpp')
-rw-r--r-- | sources/shiboken6/ApiExtractor/clangparser/clangutils.cpp | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/sources/shiboken6/ApiExtractor/clangparser/clangutils.cpp b/sources/shiboken6/ApiExtractor/clangparser/clangutils.cpp new file mode 100644 index 000000000..f3d45faa7 --- /dev/null +++ b/sources/shiboken6/ApiExtractor/clangparser/clangutils.cpp @@ -0,0 +1,286 @@ +/**************************************************************************** +** +** 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); +} + +QtCompatHashFunctionType qHash(const CXCursor &c, QtCompatHashFunctionType seed) +{ + return qHash(c.kind) ^ qHash(c.xdata) ^ qHash(c.data[0]) + ^ qHash(c.data[1]) ^ qHash(c.data[2]) ^ seed; +} + +bool operator==(const CXType &t1, const CXType &t2) +{ + return t1.kind == t2.kind && t1.data[0] == t2.data[0] + && t1.data[1] == t2.data[1]; +} + +QtCompatHashFunctionType qHash(const CXType &ct, QtCompatHashFunctionType seed) +{ + return QtCompatHashFunctionType(ct.kind) ^ QtCompatHashFunctionType(0xFFFFFFFF & quintptr(ct.data[0])) + ^ QtCompatHashFunctionType(0xFFFFFFFF & quintptr(ct.data[1])) ^ seed; +} + +namespace clang { + +bool SourceLocation::equals(const SourceLocation &rhs) const +{ + return file == rhs.file && offset == rhs.offset; +} + +SourceLocation getExpansionLocation(const CXSourceLocation &location) +{ + SourceLocation result; + clang_getExpansionLocation(location, &result.file, &result.line, &result.column, &result.offset); + return result; +} + +QString getFileName(CXFile file) +{ + QString result; + const CXString cxFileName = clang_getFileName(file); + // Has been observed to be 0 for invalid locations + if (const char *cFileName = clang_getCString(cxFileName)) + result = 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; +} + +QPair<int, int> parseTemplateArgumentList(const QString &l, + const TemplateArgumentHandler &handler, + int from) +{ + const int ltPos = l.indexOf(QLatin1Char('<'), from); + if (ltPos == - 1) + return qMakePair(-1, -1); + int startPos = ltPos + 1; + int level = 1; + for (int p = startPos, end = l.size(); p < end; ) { + const char c = l.at(p).toLatin1(); + switch (c) { + case ',': + case '>': + handler(level, QStringView{l}.mid(startPos, p - startPos).trimmed()); + ++p; + if (c == '>') { + if (--level == 0) + return qMakePair(ltPos, p); + // Skip over next ',': "a<b<c,d>,e>" + for (; p < end && (l.at(p).isSpace() || l.at(p) == QLatin1Char(',')); ++p) {} + } + startPos = p; + break; + case '<': + handler(level, QStringView{l}.mid(startPos, p - startPos).trimmed()); + ++level; + startPos = ++p; + break; + default: + ++p; + break; + } + } + return qMakePair(-1, -1); +} + +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(clang::getFileName(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 |