ref: 5b98beec8b2ff81c8f25229d9d406fd2ec1c1f60
parent: 6662c86d5e886e08aae178a1f9748a7339e0658e
author: ISSOtm <eldredhabert0@gmail.com>
date: Sat Mar 14 12:22:33 EDT 2020
Use left recursion instead of right > Any kind of sequence can be defined using either left recursion or right > recursion, but you should always use left recursion, because it can > parse a sequence of any number of elements with bounded stack space. https://www.gnu.org/software/bison/manual/html_node/Recursion.html
--- a/src/asm/asmy.y
+++ b/src/asm/asmy.y
@@ -775,7 +775,7 @@
;
opt_list : opt_list_entry
- | opt_list_entry ',' opt_list
+ | opt_list ',' opt_list_entry
;
opt_list_entry : T_STRING { opt_Parse($1); }
@@ -883,6 +883,7 @@
}
;
+/* Authorize empty entries if there is only one */
db : T_POP_DB constlist_8bit_entry ',' constlist_8bit {
if (nListCountEmpty > 0)
warning(WARNING_EMPTY_ENTRY, "Empty entry in list of 8-bit elements (treated as padding).");
@@ -912,7 +913,7 @@
;
purge_list : purge_list_entry
- | purge_list_entry ',' purge_list
+ | purge_list ',' purge_list_entry
;
purge_list_entry : scoped_id { sym_Purge($1); }
@@ -931,7 +932,7 @@
;
export_list : export_list_entry
- | export_list_entry ',' export_list
+ | export_list ',' export_list_entry
;
export_list_entry : scoped_id { sym_Export($1); }
@@ -1066,7 +1067,7 @@
;
constlist_8bit : constlist_8bit_entry
- | constlist_8bit_entry ',' constlist_8bit
+ | constlist_8bit ',' constlist_8bit_entry
;
constlist_8bit_entry : /* empty */ {
@@ -1084,7 +1085,7 @@
;
constlist_16bit : constlist_16bit_entry
- | constlist_16bit_entry ',' constlist_16bit
+ | constlist_16bit ',' constlist_16bit_entry
;
constlist_16bit_entry : /* empty */ {
@@ -1095,7 +1096,7 @@
;
constlist_32bit : constlist_32bit_entry
- | constlist_32bit_entry ',' constlist_32bit
+ | constlist_32bit ',' constlist_32bit_entry
;
constlist_32bit_entry : /* empty */ {