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Apenas o trecho que interessa do arquivo eval.c
void
rb_load(fname, wrap)
VALUE fname;
int wrap;
{
VALUE tmp;
int state;
volatile int prohibit_int = rb_prohibit_interrupt;
volatile ID last_func;
volatile VALUE wrapper = ruby_wrapper;
volatile VALUE self = ruby_top_self;
NODE *volatile last_node;
NODE *saved_cref = ruby_cref;
if (wrap && ruby_safe_level >= 4) {
StringValue(fname);
}
else {
SafeStringValue(fname);
}
fname = rb_str_new4(fname);
tmp = rb_find_file(fname);
if (!tmp) {
load_failed(fname);
}
fname = tmp;
ruby_errinfo = Qnil; /* ensure */
PUSH_VARS();
PUSH_CLASS(ruby_wrapper);
ruby_cref = ruby_top_cref;
if (!wrap) {
rb_secure(4); /* should alter global state */
ruby_class = rb_cObject;
ruby_wrapper = 0;
}
else {
/* load in anonymous module as toplevel */
ruby_class = ruby_wrapper = rb_module_new();
self = rb_obj_clone(ruby_top_self);
rb_extend_object(self, ruby_wrapper);
PUSH_CREF(ruby_wrapper);
}
PUSH_ITER(ITER_NOT);
PUSH_FRAME();
ruby_frame->last_func = 0;
ruby_frame->last_class = 0;
ruby_frame->self = self;
PUSH_SCOPE();
/* default visibility is private at loading toplevel */
SCOPE_SET(SCOPE_PRIVATE);
PUSH_TAG(PROT_NONE);
state = EXEC_TAG();
last_func = ruby_frame->last_func;
last_node = ruby_current_node;
if (!ruby_current_node && ruby_sourcefile) {
last_node = NEW_NEWLINE(0);
}
ruby_current_node = 0;
if (state == 0) {
NODE *node;
volatile int critical;
DEFER_INTS;
ruby_in_eval++;
critical = rb_thread_critical;
rb_thread_critical = Qtrue;
rb_load_file(RSTRING(fname)->ptr);
ruby_in_eval--;
node = ruby_eval_tree;
rb_thread_critical = critical;
ALLOW_INTS;
if (ruby_nerrs == 0) {
eval_node(self, node);
}
}
ruby_frame->last_func = last_func;
ruby_current_node = last_node;
ruby_sourcefile = 0;
ruby_set_current_source();
if (ruby_scope->flags == SCOPE_ALLOCA && ruby_class == rb_cObject) {
if (ruby_scope->local_tbl) /* toplevel was empty */
free(ruby_scope->local_tbl);
}
POP_TAG();
rb_prohibit_interrupt = prohibit_int;
ruby_cref = saved_cref;
POP_SCOPE();
POP_FRAME();
POP_ITER();
POP_CLASS();
POP_VARS();
ruby_wrapper = wrapper;
if (ruby_nerrs > 0) {
ruby_nerrs = 0;
rb_exc_raise(ruby_errinfo);
}
if (state) jump_tag_but_local_jump(state, Qundef);
if (!NIL_P(ruby_errinfo)) /* exception during load */
rb_exc_raise(ruby_errinfo);
}
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