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Simplify get arguments

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- `mrb_str_index_m()` and `mrb_str_rindex()`
  Make `mrb_get_args()` called only once from called twice.
- `mrb_str_byteslice()`
  Replace `goto` with `if ~ else`.
This commit is contained in:
dearblue
2019-08-18 15:34:14 +09:00
parent 83dab1ee0d
commit 05a873c25c
2 changed files with 39 additions and 46 deletions
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mrbgems/mruby-string-ext/src/string.c
+8 -9
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@@ -134,19 +134,18 @@ mrb_str_byteslice(mrb_state *mrb, mrb_value str)
if (mrb_get_args(mrb, "o|o", &a1, &a2) == 2) {
beg = mrb_fixnum(mrb_to_int(mrb, a1));
len = mrb_fixnum(mrb_to_int(mrb, a2));
goto subseq;
}
if (mrb_type(a1) == MRB_TT_RANGE) {
if (mrb_range_beg_len(mrb, a1, &beg, &len, str_len, TRUE) == MRB_RANGE_OK) {
goto subseq;
else if (mrb_type(a1) == MRB_TT_RANGE) {
if (mrb_range_beg_len(mrb, a1, &beg, &len, str_len, TRUE) != MRB_RANGE_OK) {
return mrb_nil_value();
}
return mrb_nil_value();
}
else {
beg = mrb_fixnum(mrb_to_int(mrb, a1));
len = 1;
empty = FALSE;
}
beg = mrb_fixnum(mrb_to_int(mrb, a1));
len = 1;
empty = FALSE;
subseq:
if (mrb_str_beg_len(str_len, &beg, &len) && (empty || len != 0)) {
return mrb_str_byte_subseq(mrb, str, beg, len);
}