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#include "builtin/exception.hpp"
#include "thread_state.hpp"
#include "builtin/variable_scope.hpp"
#include "builtin/fixnum.hpp"
#include "builtin/class.hpp"
#include "builtin/symbol.hpp"
#include "builtin/exception.hpp"
namespace rubinius {
ThreadState::ThreadState(VM* vm)
: current_exception_(vm, nil<Exception>())
, raise_value_(vm, Qnil)
, throw_dest_(vm, Qnil)
, raise_reason_(cNone)
, destination_scope_(vm, nil<VariableScope>())
{}
Object* ThreadState::state_as_object(STATE) {
if(raise_reason_ == cNone && current_exception_.get()->nil_p()) return Qnil;
Exception* exc = Exception::create(state);
exc->klass(state, G(exc_vm_internal));
exc->set_ivar(state, state->symbol("reason"), Fixnum::from(raise_reason_));
exc->set_ivar(state, state->symbol("destination"), destination_scope());
exc->set_ivar(state, state->symbol("throw_dest"), throw_dest());
exc->set_ivar(state, state->symbol("exception"), current_exception());
exc->set_ivar(state, state->symbol("value"), raise_value());
return exc;
}
void ThreadState::set_state(STATE, Object* obj) {
if(!obj->kind_of_p(state, G(exc_vm_internal))) return;
Object* reason = obj->get_ivar(state, state->symbol("reason"));
raise_reason_ = (RaiseReason)as<Fixnum>(reason)->to_native();
current_exception_.set(obj->get_ivar(state, state->symbol("exception")));
raise_value_.set(obj->get_ivar(state, state->symbol("value")));
Object* vs = try_as<VariableScope>(
obj->get_ivar(state, state->symbol("destination")));
destination_scope_.set(vs ? vs : Qnil);
throw_dest_.set(obj->get_ivar(state, state->symbol("throw_dest")));
}
void ThreadState::clear() {
raise_value_.set(Qnil);
raise_reason_ = cNone;
destination_scope_.set(Qnil);
throw_dest_.set(Qnil);
current_exception_.set(Qnil);
}
void ThreadState::clear_break() {
raise_reason_ = cNone;
raise_value_.set(Qnil);
destination_scope_.set(Qnil);
throw_dest_.set(Qnil);
}
void ThreadState::clear_return() {
// Use the same logic as break
clear_break();
}
void ThreadState::clear_raise() {
clear_return();
current_exception_.set(Qnil);
}
void ThreadState::raise_exception(Exception* exc) {
raise_reason_ = cException;
current_exception_.set(exc);
destination_scope_.set(Qnil);
}
void ThreadState::raise_return(Object* value, VariableScope* dest) {
raise_reason_ = cReturn;
raise_value_.set(value);
destination_scope_.set(dest);
}
void ThreadState::raise_break(Object* value, VariableScope* dest) {
raise_reason_ = cBreak;
raise_value_.set(value);
destination_scope_.set(dest);
}
void ThreadState::raise_exit(Object* code) {
raise_reason_ = cExit;
raise_value_.set(code);
destination_scope_.set(Qnil);
}
void ThreadState::raise_throw(Symbol* dest, Object* value) {
raise_reason_ = cCatchThrow;
raise_value_.set(value);
throw_dest_.set(dest);
}
}
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