Shell: Expand Juxtaposition of lists to list products

This commit makes `echo x(foo bar)` create an argv of `echo xfoo xbar`, essentially modeling brace expansions in some shells.
Author: https://github.com/alimpfard Commit: 8e078cf4ab Pull-request: https://github.com/SerenityOS/serenity/pull/2542 Reviewed-by: https://github.com/awesomekling Reviewed-by: https://github.com/bugaevc
2025-07-29 12:19:54 +00:00 · 2020-06-20 18:00:45 +04:30 · 2020-06-20 18:00:45 +04:30 · 8e078cf4ab · 2024-07-19 05:09:21 +09:00
commit 8e078cf4ab
parent 16def040af
5 changed files with 119 additions and 68 deletions
--- a/Shell/Parser.h
+++ b/Shell/Parser.h
@ -120,10 +120,10 @@ redirection :: number? '>'{1,2} ' '* string_composite

 list_expression :: ' '* expression (' '+ list_expression)?

-expression :: evaluate
-            | string_composite
-            | comment
-            | '(' list_expression ')'
+expression :: evaluate expression?
+            | string_composite expression?
+            | comment expession?
+            | '(' list_expression ')' expression?

 evaluate :: '$' expression {eval / dynamic resolve}