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range.c: check_step_domain
* range.c (check_step_domain): check step argument domain by <=> method, instead of < and >. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55745 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,8 @@
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Mon Jul 25 21:33:13 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* range.c (check_step_domain): check step argument domain by <=>
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method, instead of < and >.
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Mon Jul 25 21:11:32 2016 Kazuhiro NISHIYAMA <zn@mbf.nifty.com>
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* doc/maintainers.rdoc: fix filenames.
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39
range.c
39
range.c
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@ -333,22 +333,31 @@ linear_object_p(VALUE obj)
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return FALSE;
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}
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static VALUE
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check_step_domain(VALUE step)
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{
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VALUE zero = INT2FIX(0);
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int cmp;
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if (!rb_obj_is_kind_of(step, rb_cNumeric)) {
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step = rb_to_int(step);
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}
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cmp = rb_cmpint(rb_funcallv(step, idCmp, 1, &zero), step, zero);
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if (cmp < 0) {
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rb_raise(rb_eArgError, "step can't be negative");
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}
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else if (cmp == 0) {
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rb_raise(rb_eArgError, "step can't be 0");
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}
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return step;
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}
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static VALUE
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range_step_size(VALUE range, VALUE args, VALUE eobj)
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{
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VALUE b = RANGE_BEG(range), e = RANGE_END(range);
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VALUE step = INT2FIX(1);
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if (args) {
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step = RARRAY_AREF(args, 0);
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if (!rb_obj_is_kind_of(step, rb_cNumeric)) {
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step = rb_to_int(step);
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}
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}
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if (rb_funcall(step, '<', 1, INT2FIX(0))) {
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rb_raise(rb_eArgError, "step can't be negative");
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}
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else if (!rb_funcall(step, '>', 1, INT2FIX(0))) {
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rb_raise(rb_eArgError, "step can't be 0");
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step = check_step_domain(RARRAY_AREF(args, 0));
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}
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if (rb_obj_is_kind_of(b, rb_cNumeric) && rb_obj_is_kind_of(e, rb_cNumeric)) {
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@ -405,15 +414,7 @@ range_step(int argc, VALUE *argv, VALUE range)
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}
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else {
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rb_scan_args(argc, argv, "01", &step);
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if (!rb_obj_is_kind_of(step, rb_cNumeric)) {
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step = rb_to_int(step);
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}
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if (rb_funcall(step, '<', 1, INT2FIX(0))) {
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rb_raise(rb_eArgError, "step can't be negative");
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}
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else if (!rb_funcall(step, '>', 1, INT2FIX(0))) {
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rb_raise(rb_eArgError, "step can't be 0");
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}
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step = check_step_domain(step);
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}
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if (FIXNUM_P(b) && FIXNUM_P(e) && FIXNUM_P(step)) { /* fixnums are special */
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