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fix bug parsing a compound assignment inside a (( nested subshell; man page style and formatting updates

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Chet Ramey
2024-01-19 12:05:12 -05:00
parent f2fdb5e313
commit a4f44b7a11
13 changed files with 564 additions and 413 deletions
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parse.y
+7 -1
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@@ -1470,6 +1470,12 @@ timespec: TIME
# define expanding_alias() 0
#endif
#if defined (DPAREN_ARITHMETIC)
# define parsing_dparen() (pushed_string_list && (pushed_string_list->flags & PSH_DPAREN))
#else
# define parsing_dparen() 0
#endif
/* Global var is non-zero when end of file has been reached. */
int EOF_Reached = 0;
@@ -6965,7 +6971,7 @@ parse_compound_assignment (size_t *retlenp)
/* We're not pushing any new input here, we're reading from the current input
source. If that's an alias, we have to be prepared for the alias to get
popped out from underneath us. */
ss = (ea = expanding_alias ()) ? pushed_string_list : (STRING_SAVER *)NULL;
ss = (ea = (expanding_alias () || parsing_dparen ())) ? pushed_string_list : (STRING_SAVER *)NULL;
restore_pushed_strings = 0;
while ((tok = read_token (READ)) != ')')