#include "ScriptingDock.hxx"
+namespace {
+ SCM handler (void*, SCM tag, SCM throw_args) {
+ scm_handle_by_message_noexit ((void*)"foo", tag, throw_args);
+ return SCM_BOOL_F;
+ }
+}
+
+ScriptingDock::ScriptingDock(const QString& title, QWidget * parent)
+ : QDockWidget(title, parent)
+ , logger(log4cxx::Logger::getLogger("ScriptingDock")) {
+ QTabWidget * tab = new QTabWidget;
+ QWidget * widget = new QWidget;
+ widget->setLayout(layout = new QGridLayout);
+ layout->addWidget(browser = new QTextBrowser, 0, 0, 1, 0);
+ layout->addWidget(line = new QLineEdit, 1, 0);
+ layout->addWidget(button = new QPushButton(tr("Evaluate")), 1, 1);
+ tab->addTab(widget, "GUILE");
+ ((QDockWidget*)this)->setWidget(tab);
+ connect(button, SIGNAL(released()), this, SLOT(doEvaluate()));
+ connect(line, SIGNAL(returnPressed()), this, SLOT(doEvaluate()));
+ scm_init_guile();
+ guile_output_port = scm_open_output_string();
+ guile_error_port = scm_open_output_string();
+ scm_set_current_output_port(guile_output_port);
+ scm_set_current_error_port(guile_error_port);
+}
+
+
void ScriptingDock::doEvaluate() {
- QString text = line->text();
- line->clear();
- LOG4CXX_INFO(logger, "Evaluating String \"" << text.toStdString() << "\"");
- browser->append(QString("> ") + text);
-
- SCM result_obj = scm_c_eval_string(text.toStdString().c_str());
- SCM result_str = scm_object_to_string(result_obj, SCM_UNDEFINED);
-
- SCM output = scm_get_output_string(guile_output_port);
- browser->append(scm_to_locale_string(output));
- browser->append(scm_to_locale_string(result_str));
+ QString text = line->text();
+ line->clear();
+ LOG4CXX_INFO(logger, "Evaluating String \"" << text.toStdString() << "\"");
+ browser->append(QString("> ") + text);
+
+ SCM result_obj = scm_internal_catch(SCM_BOOL_T,
+ (SCM (*)(void *))scm_c_eval_string,
+ (void*)text.toStdString().c_str(),
+ handler, NULL);
+ SCM result_str = scm_object_to_string(result_obj, SCM_UNDEFINED);
+
+ SCM output = scm_get_output_string(guile_output_port);
+ QString output_q = scm_to_locale_string(output);
+ if (output_q.endsWith("\n")) output_q.chop(1);
+ if (output_q != "") browser->append(output_q);
+
+ output = scm_get_output_string(guile_error_port);
+ output_q = scm_to_locale_string(output);
+ if (output_q.endsWith("\n")) output_q.chop(1);
+ if (output_q != "") browser->append(output_q);
+
+ scm_truncate_file(guile_output_port, scm_from_uint16(0));
+ scm_truncate_file(guile_error_port, scm_from_uint16(0));
+
+ browser->append(scm_to_locale_string(result_str));
}