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/*
SPDX-FileCopyrightText: 2007 Piyush verma <piyush.verma@gmail.com>
SPDX-FileCopyrightText: 2008 Niko Sams <niko.sams@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "parsesession.h"
#include "phpast.h"
#include "kdev-pg-memory-pool.h"
#include "kdev-pg-token-stream.h"
#include "parserdebug.h"
#include <QFile>
#include <QTextCodec>
#include <KLocalizedString>
#include <interfaces/icore.h>
#include <interfaces/ilanguagecontroller.h>
#include <interfaces/icompletionsettings.h>
#include <language/editor/documentrange.h>
namespace Php
{
ParseSession::ParseSession()
: m_debug(false),
m_pool(new KDevPG::MemoryPool()),
m_tokenStream(new TokenStream())
{
}
ParseSession::~ParseSession()
{
delete m_pool;
delete m_tokenStream;
}
QString ParseSession::contents() const
{
return m_contents;
}
void ParseSession::setContents(const QString& contents)
{
m_contents = contents;
}
void ParseSession::setCurrentDocument(const KDevelop::IndexedString& filename)
{
m_currentDocument = filename;
}
KDevelop::IndexedString ParseSession::currentDocument() const
{
return m_currentDocument;
}
bool ParseSession::readFile(const QString& filename)
{
m_currentDocument = KDevelop::IndexedString(filename);
QFile f(filename);
if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
KDevelop::ProblemPointer p(new KDevelop::Problem());
p->setSource(KDevelop::IProblem::Disk);
p->setDescription(i18n("Could not open file '%1'", filename));
switch (f.error()) {
case QFile::ReadError:
p->setExplanation(i18n("File could not be read from."));
break;
case QFile::OpenError:
p->setExplanation(i18n("File could not be opened."));
break;
case QFile::PermissionsError:
p->setExplanation(i18n("File permissions prevent opening for read."));
break;
default:
break;
}
p->setFinalLocation(KDevelop::DocumentRange(m_currentDocument, KTextEditor::Range()));
m_problems << p;
qCWarning(PARSER) << "Could not open file" << filename;
return false;
}
QTextStream s(&f);
m_contents = s.readAll();
return true;
}
void ParseSession::setDebug(bool debug)
{
m_debug = debug;
}
TokenStream* ParseSession::tokenStream() const
{
return m_tokenStream;
}
Parser* ParseSession::createParser(int initialState)
{
auto* parser = new Parser;
parser->setTokenStream(m_tokenStream);
parser->setMemoryPool(m_pool);
parser->setDebug(m_debug);
parser->setCurrentDocument(m_currentDocument);
parser->setTodoMarkers(KDevelop::ICore::self()->languageController()->completionSettings()->todoMarkerWords());
parser->tokenize(m_contents, initialState);
return parser;
}
bool ParseSession::parse(Php::StartAst** ast)
{
Parser* parser = createParser();
StartAst* phpAst;
bool matched = parser->parseStart(&phpAst);
if (matched) {
qCDebug(PARSER) << "Successfully parsed";
*ast = phpAst;
} else {
*ast = nullptr;
parser->expectedSymbol(AstNode::StartKind, QStringLiteral("start"));
qCDebug(PARSER) << "Couldn't parse content";
}
m_problems << parser->problems();
delete parser;
return matched;
}
KDevelop::CursorInRevision ParseSession::positionAt(qint64 offset) const
{
qint64 line, column;
m_tokenStream->locationTable()->positionAt(offset, &line, &column);
return KDevelop::CursorInRevision(line, column);
}
QString ParseSession::symbol(qint64 token) const
{
const TokenStream::Token& tok = m_tokenStream->at(token);
return m_contents.mid(tok.begin, tok.end - tok.begin + 1);
}
QString ParseSession::symbol(AstNode* node) const
{
const TokenStream::Token& startTok = m_tokenStream->at(node->startToken);
const TokenStream::Token& endTok = m_tokenStream->at(node->endToken);
return m_contents.mid(startTok.begin, endTok.end - startTok.begin + 1);
}
QString ParseSession::docComment(qint64 token) const
{
const TokenStream::Token& tok = m_tokenStream->at(token);
if (!tok.docCommentEnd) return QString();
return m_contents.mid(tok.docCommentBegin, tok.docCommentEnd - tok.docCommentBegin + 1);
}
QList<KDevelop::ProblemPointer> ParseSession::problems()
{
return m_problems;
}
}
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