busybox.git/shell/hush_test, branch master

hush: fix several syntax corner cases with function definitions

2025-08-18T12:52:46+00:00

function                                             old     new   delta
parse_stream                                        3063    3075     +12
done_word                                            777     784      +7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 19/0)               Total: 19 bytes

Signed-off-by: Denys Vlasenko

hush: implement <<

2025-08-14T22:08:11+00:00

function                                             old     new   delta
setup_heredoc                                        299     351     +52
parse_stream                                        2514    2540     +26
parse_redirect                                       335     351     +16
redir_table                                           40      48      +8
static.setup_redirects                               394     400      +6
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/0 up/down: 108/0)             Total: 108 bytes

Signed-off-by: Denys Vlasenko

hush: undo incorrect change which allows a'b'=c to be assignment

2025-08-14T14:19:58+00:00

While at it, remove now-unused WORD_IS_KEYWORD

Signed-off-by: Denys Vlasenko

hush: move tickquote1.tests to hush-bugs/ - it's a known bug

2025-08-14T03:02:07+00:00

Signed-off-by: Denys Vlasenko

hush: remove the is_blank dance

2025-08-14T02:04:57+00:00

function                                             old     new   delta
parse_stream                                        2566    2524     -42

Signed-off-by: Denys Vlasenko

hush: fix a corner case in "case" stmt, ctx_dsemicolon is in fact unused

2025-08-12T22:51:44+00:00

function                                             old     new   delta
parse_stream                                        2446    2476     +30
done_word                                            797     800      +3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 33/0)               Total: 33 bytes

Signed-off-by: Denys Vlasenko

hush: allow nested negation "! ! ! CMD" - bash 5.2.15 allows it

2025-08-12T18:29:26+00:00

Also, deindent "ch == EOF" code branch in parse_stream()

function                                             old     new   delta
done_word                                            799     797      -2
parse_stream                                        2453    2446      -7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-9)               Total: -9 bytes

Signed-off-by: Denys Vlasenko

hush: drop ctx_inverted, use pipe->pi_inverted

2025-08-12T18:29:26+00:00

function                                             old     new   delta
done_word                                            776     799     +23
parse_stream                                        2456    2453      -3
done_pipe                                            252     242     -10
.rodata                                           105837  105825     -12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 23/-25)             Total: -2 bytes

Signed-off-by: Denys Vlasenko

hush: do not segfault on "for

2025-08-12T15:56:58+00:00

This is not accepted by bash, we may also disallow this,
but for now, at least do not crash

Signed-off-by: Denys Vlasenko

hush: test for, and disallow several invalid syntaxes

2025-08-11T21:18:01+00:00

function                                             old     new   delta
parse_stream                                        2292    2456    +164
done_pipe                                            231     252     +21
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 185/0)             Total: 185 bytes

Signed-off-by: Denys Vlasenko