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impl pic_unwrap_var

This commit is contained in:
Yuichi Nishiwaki 2014-01-18 12:58:00 +09:00
parent a16dcb9931
commit ee4cb87083
1 changed files with 28 additions and 22 deletions
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50
src/var.c
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@ -45,6 +45,28 @@ pic_var_set_force(pic_state *pic, struct pic_var *var, pic_value value)
var->value = value; var->value = value;
} }
static struct pic_var *
get_var_from_proc(pic_state *pic, struct pic_proc *proc)
{
pic_value v;
if (! proc->cfunc_p) {
goto typeerror;
}
if (pic_proc_cv_size(pic, proc) != 1) {
goto typeerror;
}
v = pic_proc_cv_ref(pic, proc, 0);
if (! pic_var_p(v)) {
goto typeerror;
}
return pic_var_ptr(v);
typeerror:
pic_error(pic, "expected parameter");
UNREACHABLE;
}
static pic_value static pic_value
var_call(pic_state *pic) var_call(pic_state *pic)
{ {
@ -83,6 +105,12 @@ pic_wrap_var(pic_state *pic, struct pic_var *var)
return proc; return proc;
} }
struct pic_var *
pic_unwrap_var(pic_state *pic, struct pic_proc *proc)
{
return get_var_from_proc(pic, proc);
}
static pic_value static pic_value
pic_var_make_parameter(pic_state *pic) pic_var_make_parameter(pic_state *pic)
{ {
@ -96,28 +124,6 @@ pic_var_make_parameter(pic_state *pic)
return pic_obj_value(pic_wrap_var(pic, var)); return pic_obj_value(pic_wrap_var(pic, var));
} }
static struct pic_var *
get_var_from_proc(pic_state *pic, struct pic_proc *proc)
{
pic_value v;
if (! proc->cfunc_p) {
goto typeerror;
}
if (pic_proc_cv_size(pic, proc) != 1) {
goto typeerror;
}
v = pic_proc_cv_ref(pic, proc, 0);
if (! pic_var_p(v)) {
goto typeerror;
}
return pic_var_ptr(v);
typeerror:
pic_error(pic, "expected parameter");
UNREACHABLE;
}
static pic_value static pic_value
pic_var_parameter_ref(pic_state *pic) pic_var_parameter_ref(pic_state *pic)
{ {