/* * call-seq: * untrace_var(symbol [, cmd] ) => array or nil * * Removes tracing for the specified command on the given global * variable and returns +nil+. If no command is specified, * removes all tracing for that variable and returns an array * containing the commands actually removed. */ VALUE rb_f_untrace_var(argc, argv) int argc; VALUE *argv; { VALUE var, cmd; ID id; struct global_entry *entry; struct trace_var *trace; rb_secure(4); rb_scan_args(argc, argv, "11", &var, &cmd); id = rb_to_id(var); if (!st_lookup(rb_global_tbl, id, (st_data_t *)&entry)) { rb_name_error(id, "undefined global variable %s", rb_id2name(id)); } trace = entry->var->trace; if (NIL_P(cmd)) { VALUE ary = rb_ary_new(); while (trace) { struct trace_var *next = trace->next; rb_ary_push(ary, (VALUE)trace->data); trace->removed = 1; trace = next; } if (!entry->var->block_trace) remove_trace(entry->var); return ary; } else { while (trace) { if (trace->data == cmd) { trace->removed = 1; if (!entry->var->block_trace) remove_trace(entry->var); return rb_ary_new3(1, cmd); } trace = trace->next; } } return Qnil; }