/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of PySide2.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 "name_compiler.h"
#include "type_compiler.h"
#include "declarator_compiler.h"
#include "lexer.h"
#include "symbol.h"
#include "binder.h"

#include <QtCore/qdebug.h>

NameCompiler::NameCompiler(Binder *binder)
        : _M_binder(binder), _M_token_stream(binder->tokenStream())
{
}

QString NameCompiler::decode_operator(std::size_t index) const
{
    const Token &tk = _M_token_stream->token((int) index);
    return QString::fromUtf8(&tk.text[tk.position], (int) tk.size);
}

QString NameCompiler::internal_run(AST *node)
{
    _M_name.clear();
    visit(node);
    return name();
}

void NameCompiler::visitUnqualifiedName(UnqualifiedNameAST *node)
{
    QString tmp_name;

    if (node->tilde)
        tmp_name += QLatin1String("~");

    if (node->id)
        tmp_name += _M_token_stream->symbol(node->id)->as_string();

    if (OperatorFunctionIdAST *op_id = node->operator_id) {
#if defined(__GNUC__)
#warning "NameCompiler::visitUnqualifiedName() -- implement me"
#endif

        if (op_id->op && op_id->op->op) {
            tmp_name += QLatin1String("operator");
            tmp_name += decode_operator(op_id->op->op);
            if (op_id->op->close)
                tmp_name += decode_operator(op_id->op->close);
        } else if (op_id->type_specifier) {
#if defined(__GNUC__)
#warning "don't use an hardcoded string as cast' name"
#endif
            Token const &tk = _M_token_stream->token((int) op_id->start_token);
            Token const &end_tk = _M_token_stream->token((int) op_id->end_token);
            tmp_name += QString::fromLatin1(&tk.text[tk.position],
                                            (int)(end_tk.position - tk.position)).trimmed();
        }
    }

    _M_name += tmp_name;
    if (node->template_arguments) {
        // ### cleanup
        _M_name.last() += QLatin1String("<");
        visitNodes(this, node->template_arguments);
        _M_name.last().truncate(_M_name.last().count() - 1); // remove the last ','
        _M_name.last() += QLatin1String(">");
    }

}

void NameCompiler::visitTemplateArgument(TemplateArgumentAST *node)
{
    if (node->type_id && node->type_id->type_specifier) {
        TypeCompiler type_cc(_M_binder);
        type_cc.run(node->type_id->type_specifier);

        DeclaratorCompiler decl_cc(_M_binder);
        decl_cc.run(node->type_id->declarator);

        if (type_cc.isConstant())
            _M_name.last() += QLatin1String("const ");

        QStringList q = type_cc.qualifiedName();

        if (q.count() == 1) {
#if defined (RXX_RESOLVE_TYPEDEF) // ### it'll break :(
            TypeInfo tp;
            tp.setQualifiedName(q);
            tp = TypeInfo::resolveType(tp, _M_binder->currentScope()->toItem());
            q = tp.qualifiedName();
#endif

            if (CodeModelItem item = _M_binder->model()->findItem(q, _M_binder->currentScope())) {
                if (item->name() == q.last())
                    q = item->qualifiedName();
            }
        }

        _M_name.last() += q.join(QLatin1String("::"));

        if (decl_cc.isReference())
            _M_name.last() += QLatin1Char('&');
        if (decl_cc.indirection())
            _M_name.last() += QString(decl_cc.indirection(), QLatin1Char('*'));

        _M_name.last() += QLatin1Char(',');
    }
}

// kate: space-indent on; indent-width 2; replace-tabs on;