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/*
SPDX-FileCopyrightText: 2002-2005 Roberto Raggi <roberto@kdevelop.org>
SPDX-FileCopyrightText: 2006 Hamish Rodda <rodda@kde.org>
SPDX-FileCopyrightText: 2010 Milian Wolff <mail@milianw.de>
SPDX-FileCopyrightText: 2014 Kevin Funk <kfunk@kde.org>
SPDX-License-Identifier: LGPL-2.0-only
*/
#include "duchaindumper.h"
#include <QString>
#include <QTextStream>
#include "definitions.h"
#include "ducontext.h"
#include "topducontext.h"
#include "declaration.h"
#include "duchainpointer.h"
#include "identifier.h"
#include "use.h"
#include "problem.h"
#include <serialization/indexedstring.h>
#include "functiondefinition.h"
#include <editor/rangeinrevision.h>
#include <editor/documentrange.h>
namespace {
QDebug fromTextStream(const QTextStream& out)
{
if (out.device())
return {
out.device()
}; return {
out.string()
};
}
}
namespace KDevelop {
QString typeToString(DUContext::ContextType type)
{
switch (type) {
case DUContext::Global: return QStringLiteral("Global");
case DUContext::Namespace: return QStringLiteral("Namespace");
case DUContext::Class: return QStringLiteral("Class");
case DUContext::Function: return QStringLiteral("Function");
case DUContext::Template: return QStringLiteral("Template");
case DUContext::Enum: return QStringLiteral("Enum");
case DUContext::Helper: return QStringLiteral("Helper");
case DUContext::Other: return QStringLiteral("Other");
}
Q_ASSERT(false);
return QString();
}
class DUChainDumperPrivate
{
public:
DUChainDumperPrivate()
: m_indent(0)
{}
void dumpProblems(TopDUContext* top, QTextStream& out);
void dump(DUContext* context, int allowedDepth, bool isFromImport, QTextStream& out);
int m_indent;
DUChainDumper::Features m_features;
QSet<DUContext*> m_visitedContexts;
};
DUChainDumper::DUChainDumper(Features features)
: d_ptr(new DUChainDumperPrivate)
{
Q_D(DUChainDumper);
d->m_features = features;
}
DUChainDumper::~DUChainDumper()
{
}
class Indent
{
public:
explicit Indent(int level) : m_level(level) {}
friend QDebug& operator<<(QDebug& debug, const Indent& ind)
{
for (int i = 0; i < ind.m_level; i++) {
debug.nospace() << ' ';
}
return debug.space();
}
private:
int m_level;
};
void DUChainDumperPrivate::dumpProblems(TopDUContext* top, QTextStream& out)
{
QDebug qout = fromTextStream(out);
if (!top->problems().isEmpty()) {
qout << top->problems().size() << "problems encountered:" << Qt::endl;
const auto problems = top->problems();
for (const ProblemPointer& p : problems) {
qout << Indent(m_indent * 2) << p->description() << p->explanation() << p->finalLocation() << Qt::endl;
}
qout << Qt::endl;
}
}
void DUChainDumperPrivate::dump(DUContext* context, int allowedDepth, bool isFromImport, QTextStream& out)
{
QDebug qout = fromTextStream(out);
qout << Indent(m_indent * 2) << (isFromImport ? " ==import==>" : "")
<< (dynamic_cast<TopDUContext*>(context) ? "Top-Context" : "Context") << typeToString(context->type())
<< "(owner: " << context->owner() << ")" << context << context->localScopeIdentifier() << "["
<< context->scopeIdentifier(true) << "]" << context->range().castToSimpleRange()
<< (dynamic_cast<TopDUContext*>(context) ? static_cast<TopDUContext*>(context)->url().byteArray() : "")
<< Qt::endl;
if (m_visitedContexts.contains(context)) {
qout << Indent((m_indent + 2) * 2) << "(Skipping" << context->scopeIdentifier(true)
<< "because it was already printed)" << Qt::endl;
return;
}
m_visitedContexts.insert(context);
auto top = context->topContext();
if (allowedDepth >= 0) {
const auto localDeclarations = context->localDeclarations(top);
for (Declaration* dec : localDeclarations) {
//IdentifiedType* idType = dynamic_cast<IdentifiedType*>(dec->abstractType().data());
qout << Indent((m_indent + 2) * 2) << "Declaration:" << dec->toString() << "[" << dec->qualifiedIdentifier()
<< "]" << dec << "(internal ctx:" << dec->internalContext() << ")" << dec->range().castToSimpleRange()
<< ","
<< (dec->isDefinition() ? "defined, " : (FunctionDefinition::definition(dec) ? "" : "no definition, "))
<< dec->uses().count() << "use(s)." << Qt::endl;
if (FunctionDefinition::definition(dec)) {
qout << Indent((m_indent + 2) * 2 + 1)
<< "Definition:" << FunctionDefinition::definition(dec)->range().castToSimpleRange() << Qt::endl;
}
const auto uses = dec->uses();
for (auto it = uses.constBegin(); it != uses.constEnd(); ++it) {
qout << Indent((m_indent + 3) * 2) << "File:" << it.key().str() << Qt::endl;
for (const RangeInRevision range : qAsConst(*it)) {
qout << Indent((m_indent + 4) * 2) << "Use:" << range.castToSimpleRange() << Qt::endl;
}
}
}
} else {
qout << Indent((m_indent + 2) * 2) << context->localDeclarations(top).count() << "Declarations,"
<< context->childContexts().size() << "child-contexts" << Qt::endl;
}
++m_indent;
{
/*
const auto importedParentContexts = context->importedParentContexts();
for (const DUContext::Import& parent : importedParentContexts) {
DUContext* import = parent.context(top);
if(!import) {
qout << Indent((m_indent+2) * 2+1) << "Could not get parent, is it registered in the DUChain?" << Qt::endl;
continue;
}
dump(import, allowedDepth-1, true, out);
}
*/
const auto childContexts = context->childContexts();
for (DUContext* child : childContexts) {
dump(child, allowedDepth - 1, false, out);
}
}
--m_indent;
}
void DUChainDumper::dump(DUContext* context, int allowedDepth, QTextStream& out)
{
Q_D(DUChainDumper);
d->m_visitedContexts.clear();
if (!context) {
out << "Error: Null context" << Qt::endl;
return;
}
auto top = context->topContext();
if (d->m_features.testFlag(DumpProblems)) {
d->dumpProblems(top, out);
}
if (d->m_features.testFlag(DumpContext)) {
d->dump(context, allowedDepth, false, out);
}
}
void DUChainDumper::dump(DUContext* context, int allowedDepth)
{
QTextStream out(stdout);
dump(context, allowedDepth, out);
}
}
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