Feature #4893 » String_call_initialize_v4.diff
| "b/P:\\ri\\sandbox\\rb193\\string.c" | ||
|---|---|---|
|
return str;
|
||
|
}
|
||
|
/* use class-variable (bit-flag) */
|
||
|
#define FL_CALL_INIT FL_USER18
|
||
|
VALUE
|
||
|
rb_str_method_added(VALUE self, VALUE method_symbol)
|
||
|
{
|
||
|
/* callback method, called whenever a String class method is added (defined) */
|
||
|
ID mid = SYM2ID(method_symbol);
|
||
|
ID idInitialize = rb_intern("initialize");
|
||
|
if (mid == idInitialize) {
|
||
|
FL_SET(rb_cString, FL_CALL_INIT);
|
||
|
}
|
||
|
return Qtrue; /* unused */
|
||
|
}
|
||
|
VALUE
|
||
|
rb_str_method_undefined(VALUE self, VALUE method_symbol)
|
||
|
{
|
||
|
/* callback method, called whenever a String class method is undefined */
|
||
|
if ( SYM2ID(method_symbol) == rb_intern("initialize") ) {
|
||
|
FL_UNSET(rb_cString, FL_CALL_INIT);
|
||
|
}
|
||
|
return Qtrue; /* unused */
|
||
|
}
|
||
|
VALUE
|
||
|
rb_str_method_removed(VALUE self, VALUE method_symbol)
|
||
|
{
|
||
|
/* callback method, called whenever a String class method is removed */
|
||
|
if ( SYM2ID(method_symbol) == rb_intern("initialize") ) {
|
||
|
FL_UNSET(rb_cString, FL_CALL_INIT);
|
||
|
}
|
||
|
return Qtrue; /* unused */
|
||
|
}
|
||
|
VALUE
|
||
|
rb_str_new(const char *ptr, long len)
|
||
|
{
|
||
|
return str_new(rb_cString, ptr, len);
|
||
|
/* str is already initialized by original initialize within str_new() */
|
||
|
VALUE str = str_new(rb_cString, ptr, len);
|
||
|
/* speed: call initialize only if it was redefined. See #4893 */
|
||
|
if (FL_TEST(rb_cString, FL_CALL_INIT)) {
|
||
|
/* passing str itself as parameter, avoiding need for a temp str */
|
||
|
rb_obj_call_init((VALUE)str, 1, &str);
|
||
|
}
|
||
|
return str;
|
||
|
}
|
||
|
VALUE
|
||
| ... | ... | |
|
rb_cString = rb_define_class("String", rb_cObject);
|
||
|
rb_include_module(rb_cString, rb_mComparable);
|
||
|
rb_define_alloc_func(rb_cString, str_alloc);
|
||
|
rb_define_singleton_method(rb_cString, "method_added", rb_str_method_added, 1);
|
||
|
rb_define_singleton_method(rb_cString, "method_undefined", rb_str_method_undefined, 1);
|
||
|
rb_define_singleton_method(rb_cString, "method_removed", rb_str_method_removed, 1);
|
||
|
rb_define_singleton_method(rb_cString, "try_convert", rb_str_s_try_convert, 1);
|
||
|
rb_define_method(rb_cString, "initialize", rb_str_init, -1);
|
||
|
rb_define_method(rb_cString, "initialize_copy", rb_str_replace, 1);
|
||