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ruby--ruby/ext/-test-/string/coderange.c
nobu 97e05dad7f UNREACHABLE_RETURN
* include/ruby/ruby.h (UNREACHABLE_RETURN): UNREACHABLE at the end
  of non-void functions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-07-24 05:38:07 +00:00

47 lines
1.1 KiB
C

#include "ruby/ruby.h"
#include "ruby/encoding.h"
static VALUE sym_7bit, sym_valid, sym_unknown, sym_broken;
static VALUE
coderange_int2sym(int coderange)
{
switch (coderange) {
case ENC_CODERANGE_7BIT:
return sym_7bit;
case ENC_CODERANGE_VALID:
return sym_valid;
case ENC_CODERANGE_UNKNOWN:
return sym_unknown;
case ENC_CODERANGE_BROKEN:
return sym_broken;
}
rb_bug("wrong condition of coderange");
UNREACHABLE_RETURN(Qnil);
}
/* return coderange without scan */
static VALUE
str_coderange(VALUE str)
{
return coderange_int2sym(ENC_CODERANGE(str));
}
/* scan coderange and return the result */
static VALUE
str_coderange_scan(VALUE str)
{
ENC_CODERANGE_SET(str, ENC_CODERANGE_UNKNOWN);
return coderange_int2sym(rb_enc_str_coderange(str));
}
void
Init_string_coderange(VALUE klass)
{
sym_7bit = ID2SYM(rb_intern("7bit"));
sym_valid = ID2SYM(rb_intern("valid"));
sym_unknown = ID2SYM(rb_intern("unknown"));
sym_broken = ID2SYM(rb_intern("broken"));
rb_define_method(klass, "coderange", str_coderange, 0);
rb_define_method(klass, "coderange_scan", str_coderange_scan, 0);
}