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Feature #12944 » 0001-Change-Kernel-warn-to-call-Warning.warn.patch

Use rb_ary_join - jeremyevans0 (Jeremy Evans), 12/13/2016 04:23 PM

View differences:

error.c
VALUE rb_iseqw_local_variables(VALUE iseqval);
VALUE rb_iseqw_new(const rb_iseq_t *);
int str_end_with_asciichar(VALUE str, int c);
VALUE rb_eEAGAIN;
VALUE rb_eEWOULDBLOCK;
......
* call-seq:
* warn(msg, ...) -> nil
*
* Displays each of the given messages followed by a record separator on
* STDERR unless warnings have been disabled (for example with the
* <code>-W0</code> flag).
*
* If warnings have been disabled (for example with the
* <code>-W0</code> flag), does nothing. Otherwise,
* joins all strings with a newline, makes sure
* the resulting string ends with a newline, and calls
* <code>Warning.warn</code> with the string.
*
* warn("warning 1", "warning 2")
*
* <em>produces:</em>
......
rb_warn_m(int argc, VALUE *argv, VALUE exc)
{
if (!NIL_P(ruby_verbose) && argc > 0) {
rb_io_puts(argc, argv, rb_stderr);
VALUE str;
str = rb_ary_new_from_values(argc, argv);
str = rb_ary_join(str, rb_str_new("\n", 1));
if (RSTRING_LEN(str) == 0 || !str_end_with_asciichar(str, '\n')) {
rb_str_cat(str, "\n", 1);
}
rb_write_warning_str(str);
}
return Qnil;
}
io.c
}
static int
int
str_end_with_asciichar(VALUE str, int c)
{
long len = RSTRING_LEN(str);
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