BlockEnvironment* BlockEnvironment::under_call_frame(STATE, CompiledMethod* cm,
VMMethod* caller, CallFrame* call_frame, size_t index)
{
BlockEnvironment* be = state->new_object<BlockEnvironment>(G(blokenv));
VMMethod* vmm = caller->blocks.at(index);
if(!vmm) {
vmm = cm->formalize(state);
if(caller->type) {
vmm->specialize(state, caller->type);
}
caller->blocks[index] = vmm;
vmm->set_parent(caller);
}
be->scope(state, call_frame->promote_scope(state));
be->top_scope(state, call_frame->top_scope(state));
be->method(state, cm);
be->module(state, call_frame->module());
be->local_count(state, cm->local_count());
be->vmm = vmm;
BlockExecutor native = reinterpret_cast<BlockExecutor>(vmm->native_function);
if(native) {
be->execute = native;
} else {
be->execute = &BlockEnvironment::execute_interpreter;
}
return be;
}
void BlockEnvironment::Info::show(STATE, Object* self, int level) {
BlockEnvironment* be = as<BlockEnvironment>(self);
class_header(state, self);
indent_attribute(++level, "home"); be->home()->show(state, level);
indent_attribute(level, "home_block"); be->home_block()->show(state, level);
indent_attribute(level, "local_count"); be->local_count()->show(state, level);
indent_attribute(level, "method"); be->method()->show(state, level);
close_body(level);
}
BlockEnvironment* BlockEnvironment::dup(STATE) {
BlockEnvironment* be = state->new_object<BlockEnvironment>(G(blokenv));
be->execute = &BlockEnvironment::execute_interpreter;
be->scope(state, scope_);
be->top_scope(state, top_scope_);
be->method(state, method_);
be->local_count(state, local_count_);
be->vmm = this->vmm;
return be;
}
BlockEnvironment* BlockEnvironment::under_context(STATE, CompiledMethod* cm,
MethodContext* parent, MethodContext* active, size_t index) {
BlockEnvironment* be = (BlockEnvironment*)state->new_object(G(blokenv));
VMMethod* vmm;
if((vmm = active->vmm->blocks[index]) == NULL) {
vmm = new VMMethod(state, cm);
if(active->vmm->type) {
vmm->specialize(state, active->vmm->type);
}
active->vmm->blocks[index] = vmm;
}
be->home(state, parent);
be->home_block(state, active);
be->method(state, cm);
be->local_count(state, cm->local_count());
be->vmm = vmm;
return be;
}
