gv.c: List all keywords with no coresubs

S_maybe_add_coresub returns NULL for any keywords that are not
overridable.

Instead of identifying them by the positivity of their codes, list
them all explicitly.

This will allow coresubs to be added for them one by one.

diff --git a/gv.c b/gv.c
index f75b76a..4dc9409 100644 (file)
--- a/gv.c
+++ b/gv.c
@@ -452,15 +452,30 @@ S_maybe_add_coresub(pTHX_ HV * const stash, GV *gv,
     assert(gv || stash);
     assert(name);
 
-    if (code >= 0) return NULL; /* not overridable */
-    switch (-code) {
+    if (!code) return NULL; /* Not a keyword */
+    switch (code < 0 ? -code : code) {
      /* no support for \&CORE::infix;
         no support for funcs that take labels, as their parsing is
-        weird  */
-    case KEY_and: case KEY_cmp: case KEY_CORE: case KEY_dump:
-    case KEY_eq: case KEY_ge:
-    case KEY_gt: case KEY_le: case KEY_lt: case KEY_ne:
-    case KEY_or: case KEY_x: case KEY_xor:
+        weird;
+        no support (yet) for keywords that are not overridable */
+    case KEY___DATA__: case KEY___END__: case KEY_and: case KEY_AUTOLOAD:
+    case KEY_BEGIN   : case KEY_CHECK  : case KEY_cmp: case KEY_CORE    :
+    case KEY_default : case KEY_defined: case KEY_delete: case KEY_DESTROY:
+    case KEY_do      : case KEY_dump   : case KEY_else  : case KEY_elsif  :
+    case KEY_END     : case KEY_eq     : case KEY_eval  : case KEY_exists :
+    case KEY_for     : case KEY_foreach: case KEY_format: case KEY_ge     :
+    case KEY_given   : case KEY_glob   : case KEY_goto  : case KEY_grep   :
+    case KEY_gt   : case KEY_if: case KEY_INIT: case KEY_last: case KEY_le:
+    case KEY_local: case KEY_lt: case KEY_m   : case KEY_map : case KEY_my:
+    case KEY_ne   : case KEY_next : case KEY_no: case KEY_or: case KEY_our:
+    case KEY_package: case KEY_pos: case KEY_print  : case KEY_printf:
+    case KEY_prototype: case KEY_q: case KEY_qq: case KEY_qr: case KEY_qw:
+    case KEY_qx   : case KEY_redo : case KEY_require: case KEY_return:
+    case KEY_s    : case KEY_say  : case KEY_scalar : case KEY_sort  :
+    case KEY_split: case KEY_state: case KEY_study  : case KEY_sub   :
+    case KEY_tr   : case KEY_undef: case KEY_UNITCHECK: case KEY_unless:
+    case KEY_until: case KEY_use  : case KEY_when     : case KEY_while :
+    case KEY_x    : case KEY_xor  : case KEY_y        :
        return NULL;
     case KEY_chdir:
     case KEY_chomp: case KEY_chop: