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/*
SPDX-FileCopyrightText: 2013 Milian Wolff <mail@milianw.de>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "debugvisitor.h"
#include "util/clangtypes.h"
#include "util/clangutils.h"
namespace {
struct ClientData
{
QTextStream* out;
ParseSession* session;
CXFile file;
uint depth;
};
CXChildVisitResult visitCursor(CXCursor cursor, CXCursor /*parent*/, CXClientData d)
{
auto data = static_cast<ClientData*>(d);
const auto kind = clang_getCursorKind(cursor);
const auto location = clang_getCursorLocation(cursor);
CXFile file;
clang_getFileLocation(location, &file, nullptr, nullptr, nullptr);
// don't skip MemberRefExpr with invalid location, see also:
// http://lists.cs.uiuc.edu/pipermail/cfe-dev/2015-May/043114.html
if (!ClangUtils::isFileEqual(file, data->file) && (file || kind != CXCursor_MemberRefExpr)) {
return CXChildVisit_Continue;
}
(*data->out) << QByteArray(data->depth * 2, ' ');
ClangString kindName(clang_getCursorKindSpelling(kind));
(*data->out) << kindName << " (" << kind << ") ";
auto type = clang_getCursorType(cursor);
if (type.kind != CXType_Invalid) {
ClangString typeName(clang_getTypeSpelling(type));
(*data->out) << "| type: \"" << typeName << '\"' << " (" << type.kind << ") ";
}
auto canonicalType = clang_getCanonicalType(type);
if (canonicalType.kind != CXType_Invalid
&& !clang_equalTypes(type, canonicalType)) {
ClangString typeName(clang_getTypeSpelling(canonicalType));
(*data->out) << "| canonical type: \"" << typeName << '\"' << " (" << canonicalType.kind << ") ";
}
auto typedefType = clang_getTypedefDeclUnderlyingType(cursor);
if (typedefType.kind != CXType_Invalid
&& !clang_equalTypes(type, typedefType)) {
ClangString typeName(clang_getTypeSpelling(typedefType));
(*data->out) << "| typedef type: \"" << typeName << '\"' << " (" << typedefType.kind << ") ";
}
ClangString displayName(clang_getCursorDisplayName(cursor));
if (!displayName.isEmpty()) {
(*data->out) << "| display: \"" << displayName << "\" ";
}
auto cursorExtent = ClangRange(clang_getCursorExtent(cursor)).toRange();
ClangString fileName(clang_getFileName(file));
(*data->out) << "| loc: " << fileName << '@' << '['
<< '(' << cursorExtent.start().line()+1 << ',' << cursorExtent.start().column()+1 << "),"
<< '(' << cursorExtent.end().line()+1 << ',' << cursorExtent.end().column()+1 << ")] ";
auto spellingNameRange = ClangRange(clang_Cursor_getSpellingNameRange(cursor, 0, 0)).toRange();
(*data->out) << "| sp-name-range: ["
<< '(' << spellingNameRange.start().line()+1 << ',' << spellingNameRange.start().column()+1 << "),"
<< '(' << spellingNameRange.end().line()+1 << ',' << spellingNameRange.end().column()+1 << ")] ";
if (clang_isDeclaration(kind)) {
(*data->out) << "| isDecl";
} else {
auto referenced = clang_getCursorReferenced(cursor);
if (kind != CXCursor_UnexposedExpr && !clang_equalCursors(clang_getNullCursor(), referenced)) {
(*data->out) << "| isUse";
}
}
(*data->out) << Qt::endl;
ClientData childData{data->out, data->session, data->file, data->depth + 1};
clang_visitChildren(cursor, &visitCursor, &childData);
return CXChildVisit_Continue;
}
}
DebugVisitor::DebugVisitor(ParseSession* session)
: m_session(session)
{
}
void DebugVisitor::visit(CXTranslationUnit unit, CXFile file)
{
auto cursor = clang_getTranslationUnitCursor(unit);
QTextStream out(stdout);
ClientData data {&out, m_session, file, 0};
clang_visitChildren(cursor, &visitCursor, &data);
}
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