зеркало из https://github.com/github/ruby.git
vm_insnhelper.c: add comments
* vm_insnhelper.c (vm_yield_setup_block_args): break a long line and add comments. remove useless code. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41019 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -2205,7 +2205,9 @@ vm_yield_setup_block_args(rb_thread_t *th, const rb_iseq_t * iseq,
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*/
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*/
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arg0 = argv[0];
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arg0 = argv[0];
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if (!(iseq->arg_simple & 0x02) && /* exclude {|a|} */
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if (!(iseq->arg_simple & 0x02) && /* exclude {|a|} */
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((m + iseq->arg_post_len) > 0 || iseq->arg_opts > 2) && /* this process is meaningful */
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((m + iseq->arg_post_len) > 0 || /* positional arguments exist */
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iseq->arg_opts > 2 || /* multiple optional arguments exist */
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0) &&
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argc == 1 && !NIL_P(ary = rb_check_array_type(arg0))) { /* rhs is only an array */
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argc == 1 && !NIL_P(ary = rb_check_array_type(arg0))) { /* rhs is only an array */
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th->mark_stack_len = argc = RARRAY_LENINT(ary);
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th->mark_stack_len = argc = RARRAY_LENINT(ary);
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@ -2213,9 +2215,6 @@ vm_yield_setup_block_args(rb_thread_t *th, const rb_iseq_t * iseq,
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MEMCPY(argv, RARRAY_PTR(ary), VALUE, argc);
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MEMCPY(argv, RARRAY_PTR(ary), VALUE, argc);
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}
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}
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else {
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argv[0] = arg0;
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}
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for (i=argc; i<m; i++) {
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for (i=argc; i<m; i++) {
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argv[i] = Qnil;
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argv[i] = Qnil;
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