1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
#include "mruby.h"
#include "mruby/proc.h"
#include "mruby/array.h"
#include "mruby/string.h"
#include "mruby/debug.h"
static mrb_value
mrb_proc_lambda(mrb_state *mrb, mrb_value self)
{
struct RProc *p = mrb_proc_ptr(self);
return mrb_bool_value(MRB_PROC_STRICT_P(p));
}
static mrb_value
mrb_proc_source_location(mrb_state *mrb, mrb_value self)
{
struct RProc *p = mrb_proc_ptr(self);
if (MRB_PROC_CFUNC_P(p)) {
return mrb_nil_value();
}
else {
mrb_irep *irep = p->body.irep;
int32_t line;
const char *filename;
filename = mrb_debug_get_filename(irep, 0);
line = mrb_debug_get_line(irep, 0);
return (!filename && line == -1)? mrb_nil_value()
: mrb_assoc_new(mrb, mrb_str_new_cstr(mrb, filename), mrb_fixnum_value(line));
}
}
static mrb_value
mrb_proc_inspect(mrb_state *mrb, mrb_value self)
{
struct RProc *p = mrb_proc_ptr(self);
mrb_value str = mrb_str_new_lit(mrb, "#<Proc:");
mrb_str_concat(mrb, str, mrb_ptr_to_str(mrb, mrb_cptr(self)));
if (!MRB_PROC_CFUNC_P(p)) {
mrb_irep *irep = p->body.irep;
mrb_str_cat_lit(mrb, str, "@");
if (irep->filename) {
mrb_str_cat_cstr(mrb, str, irep->filename);
}
else {
mrb_str_cat_lit(mrb, str, "-");
}
mrb_str_cat_lit(mrb, str, ":");
if (irep->lines) {
mrb_str_append(mrb, str, mrb_fixnum_value(*irep->lines));
}
else {
mrb_str_cat_lit(mrb, str, "-");
}
}
if (MRB_PROC_STRICT_P(p)) {
mrb_str_cat_lit(mrb, str, " (lambda)");
}
mrb_str_cat_lit(mrb, str, ">");
return str;
}
static mrb_value
mrb_kernel_proc(mrb_state *mrb, mrb_value self)
{
mrb_value blk;
mrb_get_args(mrb, "&", &blk);
if (mrb_nil_p(blk)) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "tried to create Proc object without a block");
}
return blk;
}
void
mrb_mruby_proc_ext_gem_init(mrb_state* mrb)
{
struct RClass *p = mrb->proc_class;
mrb_define_method(mrb, p, "lambda?", mrb_proc_lambda, MRB_ARGS_NONE());
mrb_define_method(mrb, p, "source_location", mrb_proc_source_location, MRB_ARGS_NONE());
mrb_define_method(mrb, p, "to_s", mrb_proc_inspect, MRB_ARGS_NONE());
mrb_define_method(mrb, p, "inspect", mrb_proc_inspect, MRB_ARGS_NONE());
mrb_define_class_method(mrb, mrb->kernel_module, "proc", mrb_kernel_proc, MRB_ARGS_NONE());
mrb_define_method(mrb, mrb->kernel_module, "proc", mrb_kernel_proc, MRB_ARGS_NONE());
}
void
mrb_mruby_proc_ext_gem_final(mrb_state* mrb)
{
}
|
