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ruby--ruby/ext/-test-/scan_args/scan_args.c
nobu 3632bd45f5 ruby.h: fix rb_scan_args_trail_idx 
* include/ruby/ruby.h (rb_scan_args_trail_idx): fix the case both
  of optional and rest arguments are defined.
  [ruby-core:82427] [Bug #13830]

* include/ruby/ruby.h (rb_scan_args_n_trail): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59624 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-19 23:39:03 +00:00

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#include <ruby.h>
#ifndef numberof
#define numberof(array) (int)(sizeof(array) / sizeof((array)[0]))
#endif
static VALUE
scan_args_lead(int argc, VALUE *argv, VALUE self)
{
VALUE args[2];
int n = rb_scan_args(argc, argv, "1", args+1);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_opt(int argc, VALUE *argv, VALUE self)
{
VALUE args[2];
int n = rb_scan_args(argc, argv, "01", args+1);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_opt(int argc, VALUE *argv, VALUE self)
{
VALUE args[3];
int n = rb_scan_args(argc, argv, "11", args+1, args+2);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
/* var */
static VALUE
scan_args_var(int argc, VALUE *argv, VALUE self)
{
VALUE args[2];
int n = rb_scan_args(argc, argv, "*", args+1);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_var(int argc, VALUE *argv, VALUE self)
{
VALUE args[3];
int n = rb_scan_args(argc, argv, "1*", args+1, args+2);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_opt_var(int argc, VALUE *argv, VALUE self)
{
VALUE args[3];
int n = rb_scan_args(argc, argv, "01*", args+1, args+2);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_opt_var(int argc, VALUE *argv, VALUE self)
{
VALUE args[4];
int n = rb_scan_args(argc, argv, "11*", args+1, args+2, args+3);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
/* trail */
static VALUE
scan_args_opt_trail(int argc, VALUE *argv, VALUE self)
{
VALUE args[3];
int n = rb_scan_args(argc, argv, "011", args+1, args+2);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_opt_trail(int argc, VALUE *argv, VALUE self)
{
VALUE args[4];
int n = rb_scan_args(argc, argv, "111", args+1, args+2, args+3);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_var_trail(int argc, VALUE *argv, VALUE self)
{
VALUE args[3];
int n = rb_scan_args(argc, argv, "*1", args+1, args+2);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_var_trail(int argc, VALUE *argv, VALUE self)
{
VALUE args[4];
int n = rb_scan_args(argc, argv, "1*1", args+1, args+2, args+3);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_opt_var_trail(int argc, VALUE *argv, VALUE self)
{
VALUE args[4];
int n = rb_scan_args(argc, argv, "01*1", args+1, args+2, args+3);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_opt_var_trail(int argc, VALUE *argv, VALUE self)
{
VALUE args[5];
int n = rb_scan_args(argc, argv, "11*1", args+1, args+2, args+3, args+4);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
/* hash */
static VALUE
scan_args_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[2];
int n = rb_scan_args(argc, argv, ":", args+1);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[3];
int n = rb_scan_args(argc, argv, "1:", args+1, args+2);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_opt_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[3];
int n = rb_scan_args(argc, argv, "01:", args+1, args+2);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_opt_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[4];
int n = rb_scan_args(argc, argv, "11:", args+1, args+2, args+3);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_var_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[3];
int n = rb_scan_args(argc, argv, "*:", args+1, args+2);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_var_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[4];
int n = rb_scan_args(argc, argv, "1*:", args+1, args+2, args+3);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_opt_var_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[4];
int n = rb_scan_args(argc, argv, "01*:", args+1, args+2, args+3);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_opt_var_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[5];
int n = rb_scan_args(argc, argv, "11*:", args+1, args+2, args+3, args+4);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_opt_trail_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[4];
int n = rb_scan_args(argc, argv, "011:", args+1, args+2, args+3);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_opt_trail_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[5];
int n = rb_scan_args(argc, argv, "111:", args+1, args+2, args+3, args+4);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_var_trail_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[4];
int n = rb_scan_args(argc, argv, "*1:", args+1, args+2, args+3);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_var_trail_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[5];
int n = rb_scan_args(argc, argv, "1*1:", args+1, args+2, args+3, args+4);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_opt_var_trail_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[5];
int n = rb_scan_args(argc, argv, "01*1:", args+1, args+2, args+3, args+4);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
static VALUE
scan_args_lead_opt_var_trail_hash(int argc, VALUE *argv, VALUE self)
{
VALUE args[6];
int n = rb_scan_args(argc, argv, "11*1:", args+1, args+2, args+3, args+4, args+5);
args[0] = INT2NUM(n);
return rb_ary_new_from_values(numberof(args), args);
}
void
Init_scan_args(void)
{
VALUE module = rb_define_module("Bug");
module = rb_define_module_under(module, "ScanArgs");
rb_define_singleton_method(module, "lead", scan_args_lead, -1);
rb_define_singleton_method(module, "opt", scan_args_opt, -1);
rb_define_singleton_method(module, "lead_opt", scan_args_lead_opt, -1);
rb_define_singleton_method(module, "var", scan_args_var, -1);
rb_define_singleton_method(module, "lead_var", scan_args_lead_var, -1);
rb_define_singleton_method(module, "opt_var", scan_args_opt_var, -1);
rb_define_singleton_method(module, "lead_opt_var", scan_args_lead_opt_var, -1);
rb_define_singleton_method(module, "opt_trail", scan_args_opt_trail, -1);
rb_define_singleton_method(module, "lead_opt_trail", scan_args_lead_opt_trail, -1);
rb_define_singleton_method(module, "var_trail", scan_args_var_trail, -1);
rb_define_singleton_method(module, "lead_var_trail", scan_args_lead_var_trail, -1);
rb_define_singleton_method(module, "opt_var_trail", scan_args_opt_var_trail, -1);
rb_define_singleton_method(module, "lead_opt_var_trail", scan_args_lead_opt_var_trail, -1);
rb_define_singleton_method(module, "hash", scan_args_hash, -1);
rb_define_singleton_method(module, "lead_hash", scan_args_lead_hash, -1);
rb_define_singleton_method(module, "opt_hash", scan_args_opt_hash, -1);
rb_define_singleton_method(module, "lead_opt_hash", scan_args_lead_opt_hash, -1);
rb_define_singleton_method(module, "var_hash", scan_args_var_hash, -1);
rb_define_singleton_method(module, "lead_var_hash", scan_args_lead_var_hash, -1);
rb_define_singleton_method(module, "opt_var_hash", scan_args_opt_var_hash, -1);
rb_define_singleton_method(module, "lead_opt_var_hash", scan_args_lead_opt_var_hash, -1);
rb_define_singleton_method(module, "opt_trail_hash", scan_args_opt_trail_hash, -1);
rb_define_singleton_method(module, "lead_opt_trail_hash", scan_args_lead_opt_trail_hash, -1);
rb_define_singleton_method(module, "var_trail_hash", scan_args_var_trail_hash, -1);
rb_define_singleton_method(module, "lead_var_trail_hash", scan_args_lead_var_trail_hash, -1);
rb_define_singleton_method(module, "opt_var_trail_hash", scan_args_opt_var_trail_hash, -1);
rb_define_singleton_method(module, "lead_opt_var_trail_hash", scan_args_lead_opt_var_trail_hash, -1);
}
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