Feature #12093 » 0002-Update-iseq.eval-to-accept-optional-binding-FIXES-Bu.patch
iseq.c | ||
---|---|---|
/*
|
||
* call-seq:
|
||
* iseq.eval -> obj
|
||
* iseq.eval([binding]) -> obj
|
||
*
|
||
* Evaluates the instruction sequence and returns the result.
|
||
*
|
||
* RubyVM::InstructionSequence.compile("1 + 2").eval #=> 3
|
||
*/
|
||
static VALUE
|
||
iseqw_eval(VALUE self)
|
||
{
|
||
rb_secure(1);
|
||
return rb_iseq_eval(iseqw_check(self));
|
||
}
|
||
/*
|
||
* call-seq:
|
||
* iseq.eval_with(binding) -> obj
|
||
*
|
||
* Evaluates the instruction sequence and returns the result.
|
||
* If binding is given, which must be a Binding object, the evaluation is performed in its context.
|
||
*
|
||
* obj = Struct.new(:a, :b).new(1, 2)
|
||
* bind = obj.instance_eval {binding}
|
||
* RubyVM::InstructionSequence.compile("a + b").eval_with(bind) #=> 3
|
||
* RubyVM::InstructionSequence.compile("a + b").eval(bind) #=> 3
|
||
*/
|
||
static VALUE
|
||
iseq_eval_with(VALUE self, VALUE scope)
|
||
iseqw_eval(int argc, const VALUE *argv, VALUE self)
|
||
{
|
||
rb_secure(1);
|
||
return rb_iseq_eval_in_scope(iseqw_check(self), scope);
|
||
VALUE scope;
|
||
if (argc == 0) {
|
||
rb_secure(1);
|
||
return rb_iseq_eval(iseqw_check(self));
|
||
}
|
||
else {
|
||
rb_scan_args(argc, argv, "01", &scope);
|
||
rb_secure(1);
|
||
return rb_iseq_eval_in_scope(iseqw_check(self), scope);
|
||
}
|
||
}
|
||
/*
|
||
... | ... | |
rb_define_method(rb_cISeq, "disasm", iseqw_disasm, 0);
|
||
rb_define_method(rb_cISeq, "disassemble", iseqw_disasm, 0);
|
||
rb_define_method(rb_cISeq, "to_a", iseqw_to_a, 0);
|
||
rb_define_method(rb_cISeq, "eval", iseqw_eval, 0);
|
||
rb_define_method(rb_cISeq, "eval_with", iseq_eval_with, 1);
|
||
rb_define_method(rb_cISeq, "eval", iseqw_eval, -1);
|
||
rb_define_method(rb_cISeq, "to_binary", iseqw_to_binary, -1);
|
||
rb_define_singleton_method(rb_cISeq, "load_from_binary", iseqw_s_load_from_binary, 1);
|
test/ruby/test_iseq.rb | ||
---|---|---|
end;
|
||
end
|
||
def test_eval_with_binding
|
||
obj = Struct.new(:a, :b).new(1, 2)
|
||
bind = obj.instance_eval {binding}
|
||
val = RubyVM::InstructionSequence.compile("a + b").eval(bind)
|
||
assert_equal(3, val)
|
||
end
|
||
def test_inspect
|
||
%W[foo \u{30d1 30b9}].each do |name|
|
||
assert_match(/@#{name}/, ISeq.compile("", name).inspect, name)
|
vm.c | ||
---|---|---|
VALUE
|
||
rb_iseq_eval_in_scope(const rb_iseq_t *iseq, VALUE scope)
|
||
{
|
||
rb_thread_t *th = GET_THREAD();
|
||
rb_binding_t *bind = rb_check_typeddata(scope, &ruby_binding_data_type);
|
||
struct rb_block *base_block = &bind->block;
|
||
rb_execution_context_t *ec = GET_EC();
|
||
rb_binding_t *bind = Check_TypedStruct(scope, &ruby_binding_data_type);
|
||
vm_set_eval_stack(ec, iseq, NULL, &bind->block);
|
||
/* save new env */
|
||
if (iseq->body->local_table_size > 0) {
|
||
vm_bind_update_env(bind, vm_make_env_object(th, th->cfp));
|
||
vm_bind_update_env(scope, bind, vm_make_env_object(ec, ec->cfp));
|
||
}
|
||
#if 0
|
||
iseq_set_parent_block(iseq, base_block);
|
||
iseq_set_local_table(iseq, rb_vm_cref()->nd_tbl);
|
||
#endif
|
||
vm_set_eval_stack(th, iseq, 0, base_block);
|
||
return vm_exec(th);
|
||
return vm_exec(ec, TRUE);
|
||
}
|
||
VALUE
|