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97e05dad7f
* 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
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#include "ruby/ruby.h"
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#include "ruby/encoding.h"
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static VALUE sym_7bit, sym_valid, sym_unknown, sym_broken;
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static VALUE
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coderange_int2sym(int coderange)
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{
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switch (coderange) {
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case ENC_CODERANGE_7BIT:
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return sym_7bit;
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case ENC_CODERANGE_VALID:
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return sym_valid;
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case ENC_CODERANGE_UNKNOWN:
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return sym_unknown;
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case ENC_CODERANGE_BROKEN:
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return sym_broken;
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}
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rb_bug("wrong condition of coderange");
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UNREACHABLE_RETURN(Qnil);
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}
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/* return coderange without scan */
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static VALUE
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str_coderange(VALUE str)
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{
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return coderange_int2sym(ENC_CODERANGE(str));
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}
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/* scan coderange and return the result */
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static VALUE
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str_coderange_scan(VALUE str)
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{
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ENC_CODERANGE_SET(str, ENC_CODERANGE_UNKNOWN);
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return coderange_int2sym(rb_enc_str_coderange(str));
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}
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void
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Init_string_coderange(VALUE klass)
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{
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sym_7bit = ID2SYM(rb_intern("7bit"));
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sym_valid = ID2SYM(rb_intern("valid"));
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sym_unknown = ID2SYM(rb_intern("unknown"));
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sym_broken = ID2SYM(rb_intern("broken"));
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rb_define_method(klass, "coderange", str_coderange, 0);
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rb_define_method(klass, "coderange_scan", str_coderange_scan, 0);
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}
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