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koffice/lib/kross/ruby/rubyscript.cpp

268 lines
7.0 KiB

/***************************************************************************
* rubyscript.h
* This file is part of the KDE project
* copyright (C)2005 by Cyrille Berger (cberger@cberger.net)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
***************************************************************************/
#include "rubyscript.h"
#include "rubyvariant.h"
#define HAVE_STRLCAT_PROTO 1
#define HAVE_STRLCPY_PROTO 1
#include "config.h"
#include <ruby.h>
#ifndef HAVE_RUBY_1_9
#include <env.h>
#include <rubysig.h>
#include <node.h>
#else // HAVE_RUBY_1_9
#include <ruby/backward/rubysig.h>
#endif // HAVE_RUBY_1_9
#include <main/scriptcontainer.h>
#include "rubyconfig.h"
#include "rubyextension.h"
#include "rubyinterpreter.h"
namespace Kross {
namespace Ruby {
namespace Internals {
namespace Script {
static VALUE method_added(VALUE self, VALUE unit)
{
rb_funcall(self, rb_intern("module_function"), unit);
return self;
}
};
};
class RubyScriptPrivate {
friend class RubyScript;
RubyScriptPrivate() : m_script(0), m_hasBeenCompiled(false)
{
if(RubyScriptPrivate::s_krossScript == 0)
{
RubyScriptPrivate::s_krossScript = rb_define_class_under(RubyInterpreter::krossModule(), "Script", rb_cModule);
rb_define_method(RubyScriptPrivate::s_krossScript, "method_added", (VALUE (*)(...))Internals::Script::method_added, 1);
}
}
VALUE m_script;
static VALUE s_krossScript;
bool m_hasBeenCompiled;
/// A list of functionnames.
TQStringList m_functions;
/// A list of classnames.
TQStringList m_classes;
};
VALUE RubyScriptPrivate::s_krossScript = 0;
RubyScript::RubyScript(Kross::Api::Interpreter* interpreter, Kross::Api::ScriptContainer* scriptcontainer)
: Kross::Api::Script(interpreter, scriptcontainer), d(new RubyScriptPrivate())
{
}
RubyScript::~RubyScript()
{
}
void RubyScript::compile()
{
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("RubyScript::compile()");
#endif
int critical;
#ifdef HAVE_RUBY_1_9
// FIXME
int ruby_nerrs = 0;
int ruby_errinfo = Qnil;
#else // HAVE_RUBY_1_9
ruby_nerrs = 0;
ruby_errinfo = Qnil;
#endif // HAVE_RUBY_1_9
VALUE src = RubyExtension::toVALUE( m_scriptcontainer->getCode() );
StringValue(src);
#ifdef HAVE_RUBY_1_9
// FIXME
#else // HAVE_RUBY_1_9
critical = rb_thread_critical;
rb_thread_critical = Qtrue;
ruby_in_eval++;
#endif // HAVE_RUBY_1_9
rb_funcall(d->m_script, rb_intern("module_eval"), 2, src, (char*) m_scriptcontainer->getName().latin1());
#ifdef HAVE_RUBY_1_9
// FIXME
#else // HAVE_RUBY_1_9
ruby_in_eval--;
rb_thread_critical = critical;
#endif // HAVE_RUBY_1_9
if (ruby_nerrs != 0)
{
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("Compilation has failed");
#endif
VALUE errorstring = rb_obj_as_string(ruby_errinfo);
setException( new Kross::Api::Exception(TQString("Failed to compile ruby code: %1").arg(STR2CSTR( errorstring )), 0) ); // TODO: get the error
} else {
d->m_hasBeenCompiled = true;
}
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("Compilation was successfull");
#endif
}
const TQStringList& RubyScript::getFunctionNames()
{
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("RubyScript::getFunctionNames()");
#endif
if(not d->m_hasBeenCompiled )
{
compile();
}
return d->m_functions;
}
Kross::Api::Object::Ptr RubyScript::execute()
{
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("RubyScript::execute()");
#endif
// TODO: catch ruby exception
compile();
#if 0
if (result != 0)
{
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("Execution has failed");
#endif
if( TYPE( ruby_errinfo ) == T_DATA && RubyExtension::isOfExceptionType( ruby_errinfo ) )
{
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("Kross exception");
#endif
setException( RubyExtension::convertToException( ruby_errinfo ) );
} else {
setException( new Kross::Api::Exception(TQString("Failed to execute ruby code: %1").arg(STR2CSTR( rb_obj_as_string(ruby_errinfo) )), 0) ); // TODO: get the error
}
}
#endif // 0
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("Execution is finished");
#endif
return 0;
}
Kross::Api::Object::Ptr RubyScript::callFunction(const TQString& name, Kross::Api::List::Ptr args)
{
Q_UNUSED(name)
Q_UNUSED(args)
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("RubyScript::callFunction()");
#endif
if(not d->m_hasBeenCompiled )
{
compile();
}
Q_ASSERT(d->m_hasBeenCompiled );
#ifdef HAVE_RUBY_1_9
// FIXME
int ruby_errinfo = Qnil;
#endif // HAVE_RUBY_1_9
#if 0
// FIXME
// The original code never really did anything as far as I can tell!
TQVariant result;
int r = ruby_exec();
if (r != 0) {
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("RubyScript::callFunction failed");
#endif
VALUE errorstring = rb_obj_as_string(ruby_errinfo);
setException( new Kross::Api::Exception(TQString("Failed to call function \"%1\": %2").arg(name).arg(STR2CSTR( errorstring )), 0) ); // TODO: get the error
}
else {
VALUE self = rb_eval_string("self");
//krossdebug(QString("RubyScript::callFunction() ===> %1").arg(STR2CSTR(rb_inspect(self))));
const int rnargs = args.size();
VALUE *rargs = new VALUE[rnargs];
for(int i = 0; i < rnargs; ++i) {
rargs[i] = RubyType<TQVariant>::toVALUE( args[i] );
}
//VALUE r = rb_eval_string("myFunc()");
VALUE v = rb_funcall2(self, rb_intern(name.toLatin1()), rnargs, rargs);
result = RubyType<TQVariant>::toVariant(v);
delete[] rargs;
}
#endif
return 0;
}
const TQStringList& RubyScript::getClassNames()
{
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("RubyScript::getClassNames()");
#endif
if(not d->m_hasBeenCompiled )
{
compile();
}
return d->m_classes;
}
Kross::Api::Object::Ptr RubyScript::classInstance(const TQString& name)
{
Q_UNUSED(name)
#ifdef KROSS_RUBY_SCRIPT_DEBUG
krossdebug("RubyScript::classInstance()");
#endif
if(not d->m_hasBeenCompiled )
{
compile();
}
Q_ASSERT(d->m_hasBeenCompiled );
// FIXME
// The original code never really did anything from what I can tell!
return 0;
}
}
}