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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 <QStringList>
#include <QVariant>
#include <QtDebug>
#include <QXmlNamePool>
#include <private/qfunctionfactorycollection_p.h>
#include "ASTItem.h"
#include "ExpressionInfo.h"
#include "ExpressionNamer.h"
#include "Global.h"
#include "DebugExpressionFactory.h"
using namespace QPatternistSDK;
using namespace QPatternist;
static const QPatternist::ExpressionVisitor::Ptr namer(new ExpressionNamer());
QStringList DebugExpressionFactory::availableFunctionSignatures()
{
const QPatternist::FunctionFactory::Ptr factory(QPatternist::FunctionFactoryCollection::xpath20Factory(Global::namePool()));
const QPatternist::FunctionSignature::Hash signs(factory->functionSignatures());
const QPatternist::FunctionSignature::Hash::const_iterator end(signs.constEnd());
QPatternist::FunctionSignature::Hash::const_iterator it(signs.constBegin());
QStringList retval;
while(it != end)
{
retval << it.value()->displayName(Global::namePool());
++it;
}
return retval;
}
ASTItem *DebugExpressionFactory::buildASTTree(const QPatternist::Expression::Ptr &expr,
ASTItem *parent,
const QPatternist::SequenceType::Ptr &reqType)
{
Q_ASSERT(expr);
const QPatternist::ExpressionVisitorResult::Ptr exprInfo(expr->accept(namer));
Q_ASSERT(exprInfo);
const ExpressionInfo *const constExprInfo = static_cast<const ExpressionInfo *>(exprInfo.data());
const QString name(constExprInfo->name());
const QString details(constExprInfo->details());
const QString rType(reqType ? reqType->displayName(Global::namePool()) : QLatin1String("Not specified"));
/* ---------- Handle its staticType() -------- */
const QPatternist::SequenceType::Ptr type(expr->staticType());
QString seqType;
if(type)
seqType = type->displayName(Global::namePool());
else
seqType = QLatin1String("no type, null pointer returned");
/* ------------------------------------------- */
ASTItem *const node = new ASTItem(parent, name, details, seqType, rType);
/* ------------ Handle child nodes ----------- */
const QPatternist::Expression::List children(expr->operands());
QPatternist::Expression::List::const_iterator it(children.constBegin());
const QPatternist::Expression::List::const_iterator end(children.constEnd());
const QPatternist::SequenceType::List reqTypes(expr->expectedOperandTypes());
const QPatternist::SequenceType::List::const_iterator typeEnd(reqTypes.constEnd());
QPatternist::SequenceType::List::const_iterator typeIt(reqTypes.constBegin());
QPatternist::SequenceType::Ptr t;
for(; it != end; ++it)
{
if(typeIt != typeEnd)
{
t = *typeIt;
++typeIt;
}
node->appendChild(buildASTTree(*it, node, t));
}
/* ------------------------------------------- */
return node;
}
QPatternist::Expression::Ptr
DebugExpressionFactory::createExpression(QIODevice *const expr,
const QPatternist::StaticContext::Ptr &context,
const QXmlQuery::QueryLanguage lang,
const QPatternist::SequenceType::Ptr &requiredType,
const QUrl &baseURI,
const QXmlName &initialTemplateName)
{
/* Create the root node. */
m_ast = new ASTItem(0, QString());
return ExpressionFactory::createExpression(expr, context, lang, requiredType, baseURI, initialTemplateName);
}
void DebugExpressionFactory::processTreePass(const QPatternist::Expression::Ptr &expr,
const CompilationStage stage)
{
ASTItem *newChild = 0;
switch(stage)
{
case QueryBodyInitial:
{
newChild = new ASTItem(m_ast, QLatin1String("Initial Build"));
break;
}
case QueryBodyTypeCheck:
{
newChild = new ASTItem(m_ast, QLatin1String("Type Check"));
break;
}
case QueryBodyCompression:
{
newChild = new ASTItem(m_ast, QLatin1String("Compression"));
break;
}
case UserFunctionTypeCheck:
{
newChild = new ASTItem(m_ast, QLatin1String("User Function Type Check"));
break;
}
case UserFunctionCompression:
{
newChild = new ASTItem(m_ast, QLatin1String("User Function Compression"));
break;
}
case GlobalVariableTypeCheck:
{
newChild = new ASTItem(m_ast, QLatin1String("Global Variable Type Check"));
break;
}
}
Q_ASSERT(newChild);
m_ast->appendChild(newChild);
newChild->appendChild(buildASTTree(expr, newChild, QPatternist::SequenceType::Ptr()));
}
void DebugExpressionFactory::processTemplateRule(const Expression::Ptr &body,
const TemplatePattern::Ptr &pattern,
const QXmlName &mode,
const TemplateCompilationStage stage)
{
QString title = QLatin1String("T-Rule ");
switch (stage) {
case TemplateInitial:
title += QLatin1String("Initial Build");
break;
case TemplateTypeCheck:
title += QLatin1String("Type Check");
break;
case TemplateCompress:
title += QLatin1String("Compression");
break;
}
title += QLatin1String(" mode: ")
+ Global::namePool()->displayName(mode)
+ QLatin1String(" priority: ")
+ QString::number(pattern->priority());
ASTItem *const newChild = new ASTItem(m_ast, title);
m_ast->appendChild(newChild);
newChild->appendChild(buildASTTree(pattern->matchPattern(), newChild, QPatternist::SequenceType::Ptr()));
newChild->appendChild(buildASTTree(body, newChild, QPatternist::SequenceType::Ptr()));
}
void DebugExpressionFactory::processNamedTemplate(const QXmlName &name,
const Expression::Ptr &body,
const TemplateCompilationStage stage)
{
QString title;
switch (stage) {
case TemplateInitial:
title += QLatin1String("Named Template Initial Build");
break;
case TemplateTypeCheck:
title += QLatin1String("Named Template Type Check");
break;
case TemplateCompress:
title += QLatin1String("Named Template Compression");
break;
}
title += QLatin1String(": ") + Global::namePool()->displayName(name);
ASTItem *const newChild = new ASTItem(m_ast, title);
m_ast->appendChild(newChild);
newChild->appendChild(buildASTTree(body, newChild, QPatternist::SequenceType::Ptr()));
}
ASTItem *DebugExpressionFactory::astTree() const
{
return m_ast;
}
// vim: et:ts=4:sw=4:sts=4
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