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92 Commits

Author SHA1 Message Date
Denys Vlasenko
1e811b1231 hush: support ${var:EXPR:EXPR}! 
function                                             old     new   delta
handle_dollar                                        574     681    +107
expand_and_evaluate_arith                              -      77     +77
expand_vars_to_list                                 2302    2374     +72
add_till_closing_bracket                             359     368      +9
builtin_exit                                          48      47      -1
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/1 up/down: 265/-1)            Total: 264 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-22 03:12:29 +02:00
Denys Vlasenko
a6ad397ea9 hush: fix more obscure ${var%...} cases 
function                                             old     new   delta
add_till_closing_paren                               313     359     +46
builtin_exit                                          48      47      -1

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-22 00:26:06 +02:00
Denys Vlasenko
7436950a75 hush: fix a=abc; c=c; echo ${a%${c}} 
function                                             old     new   delta
expand_vars_to_list                                 2229    2302     +73
add_till_closing_paren                               286     313     +27
handle_dollar                                        623     574     -49
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 100/-49)            Total: 51 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-21 19:52:01 +02:00
Denys Vlasenko
3f78cec347 hush: handle expansions in ${var?expanded_word} constructs 
function                                             old     new   delta
expand_vars_to_list                                 2209    2229     +20

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-21 17:54:46 +02:00
Denys Vlasenko
73e013fca7 hush: handle ${var:NUM:} too 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-21 15:24:12 +02:00
Denys Vlasenko
4d8e5fdc1d hush: optional support for ${var:N:M} bashism 
function                                             old     new   delta
expand_vars_to_list                                 1999    2183    +184
handle_dollar                                        682     623     -59

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-21 01:15:42 +02:00
Denys Vlasenko
3ef4f77620 hush: fix exec builtin in a better way (+ "glob in exec" bug fixed) 
function                                             old     new   delta
execvp_or_die                                          -      50     +50
static.pseudo_null_str                                 3       -      -3
builtin_exec                                          83      57     -26
pseudo_exec_argv                                     200     163     -37
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/2 up/down: 50/-66)            Total: -16 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-19 23:09:06 +02:00
Mike Frysinger
dc3bc40578 hush: add support for special vars in braces 
Some people like to use ${?} rather than $?, so make sure we support all
the special single char vars that use this form.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-06-01 14:16:43 -04:00
Denys Vlasenko
e9bda90e54 hush: fix problems with case in subshells and with "case esac" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-23 16:50:07 +02:00
Mike Frysinger
cc9205bda7 hush_test: update test output to match new getopt() output 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-05-21 17:58:15 -04:00
Denis Vlasenko
28e67966f3 hush: make getopt32 usable in builtins. use it in unset. 
more uses are expected in the future.

function                                             old     new   delta
getopt32                                            1356    1393     +37
builtin_export                                       256     266     +10
builtin_unset                                        418     380     -38
 2009-04-26 23:22:40 +00:00
Denis Vlasenko
5b7589eb27 hush: fix SEGV in % expansion 
function                                             old     new   delta
expand_variables                                    2203    2217     +14
 2009-04-26 11:25:19 +00:00
Denis Vlasenko
bf25fbccb9 hush: fix handling of } which is not a closing one in { cmd; } 
function                                             old     new   delta
parse_stream                                        2176    2302    +126
builtin_unset                                        381     387      +6
 2009-04-19 13:57:51 +00:00
Denis Vlasenko
bb929517a8 hush: fix "if { echo foo; } then { echo bar; } fi" parsing 
function                                             old     new   delta
done_word                                            728     793     +65
parse_stream                                        2084    2098     +14
 2009-04-16 10:59:40 +00:00
Denis Vlasenko
75bccfa375 hush: tweak tests 2009-04-10 23:48:03 +00:00
Denis Vlasenko
1fd1ea4395 hush: tighten up "for" variable name check. 
Add TODOs.
 Disable redir4.right part where we differ from bash.
 It is not a bug per standards.
 Add a few tests, one is in hush-bugs section:
 and_or_and_backgrounding.right. It will likely bite users
 in real world usage.
 2009-04-10 12:03:20 +00:00
Mike Frysinger
e05f9286a9 add test cases for parameter substitution with unset/null strings 2009-04-09 23:01:47 +00:00
Denis Vlasenko
05d3b7cc0d hush: deal with some easier TODOs 
function                                             old     new   delta
is_well_formed_var_name                                -      87     +87
builtin_read                                          49      86     +37
die_if_script                                          -      31     +31
syntax_error_unterminated                              -      28     +28
syntax_error                                          26      51     +25
done_word                                            768     788     +20
syntax_error_at                                        -      12     +12
parse_stream_dquoted                                 320     328      +8
expand_variables                                    2064    2063      -1
run_list                                            1225    1220      -5
add_till_closing_paren                               308     303      -5
add_till_backquote                                   111     106      -5
handle_dollar                                        812     803      -9
parse_stream                                        2378    2356     -22
parse_redirect                                       408     372     -36
maybe_die                                             44       -     -44
is_assignment                                        215     134     -81
------------------------------------------------------------------------------
(add/remove: 4/1 grow/shrink: 4/8 up/down: 248/-208)           Total: 40 bytes
 2009-04-09 19:16:15 +00:00
Mike Frysinger
932e111418 use sleep rather than usleep 2009-04-07 06:08:14 +00:00
Mike Frysinger
a4f331d3c3 implement support for parameter substitution via #/% operators 2009-04-07 06:03:22 +00:00
Denis Vlasenko
30db43b5c5 hush: fix passing of $n on NOMMU 2009-04-05 02:10:39 +00:00
Denis Vlasenko
3718168b87 hush: fix bug with local environment vars in pipes; simplify parse_stream() 
function                                             old     new   delta
parse_stream                                        1238    1218     -20
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-20)             Total: -20 bytes
 2009-04-03 03:19:15 +00:00
Denis Vlasenko
d308106245 hust_test/*: use "$THIS_SH" instead of hush 2009-03-31 22:14:32 +00:00
Mike Frysinger
d690f68554 implement unset semantics as required by POSIX 2009-03-30 06:50:54 +00:00
Mike Frysinger
0b87e4ad15 test for invalid named variables 2009-03-28 21:06:38 +00:00
Mike Frysinger
78f9d8eb7a add hush tests for parameter expansion 2009-03-28 18:55:34 +00:00
Denis Vlasenko
f886fd2bc7 hush: fix NOMMU bug (analogous to preceding commit for MMU) 2008-10-13 12:36:05 +00:00
Denis Vlasenko
d29084dd7d testcase for the last fix 2008-10-13 08:54:42 +00:00
Denis Vlasenko
afd7a8d744 hush: fix environment and memory leaks, add tests for them 
function                                             old     new   delta
add_malloced_string_to_strings                         -     110    +110
run_list                                            1999    2086     +87
free_strings_and_unsetenv                              -      87     +87
hush_version_str                                       -      18     +18
pseudo_exec_argv                                     139     146      +7
static.version_str                                    17       -     -17
free_pipe                                            237     210     -27
done_word                                            790     642    -148
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 2/2 up/down: 309/-192)          Total: 117 bytes
 2008-10-09 16:29:44 +00:00
Denis Vlasenko
d498131168 hush: support $_NUMBERS variable names 2008-07-31 10:34:48 +00:00
Denis Vlasenko
1ba323e5b6 cosmetics in hush testsuites 2008-06-18 17:53:57 +00:00
Denis Vlasenko
324a3fdf87 fix globbing in unquoted $* and $@ 2008-06-18 17:49:58 +00:00
Denis Vlasenko
82dfec3e4e hush: fix hush-bugs/glob_and_vars.tests testcase: 
globbing is now done _after_ variable/`cmd` substitution

function                                             old     new   delta
expand_strvec_to_strvec                                7     353    +346
expand_variables                                    1348    1383     +35
add_string_to_strings                                  -      28     +28
globhack                                             114       -    -114
done_word                                            778     579    -199
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 2/1 up/down: 409/-313)           Total: 96 bytes
 2008-06-16 12:47:11 +00:00
Denis Vlasenko
895bea2303 hush: fix some fallout from prev commits, add testsuite 2008-06-10 18:06:24 +00:00
Denis Vlasenko
cccdc4e01a hush: fix $ expansion in redirections, add testcase for that 2007-11-23 21:08:38 +00:00
Denis Vlasenko
1a7358612f hush: fix a bit different instance of "No EOL" bug, 
add testsuite for that. Expand another testsuite.
 2007-05-23 00:32:25 +00:00
Denis Vlasenko
764d59d488 hush: more fixes to variable expansion, more testcases 2007-05-14 16:23:23 +00:00
Denis Vlasenko
03eb8bf6ce hush: move towards more correct variable expansion 
hush: fix a few cases in FOR v IN ... construct
      unfortunately, code growth is big - ~600 bytes
 2007-05-14 16:19:34 +00:00
Denis Vlasenko
602d13cba5 hush: fix '{ false; echo $?; }' bug. 
hush: expand testsuite. variable expansion is still very broken
 2007-05-13 18:34:53 +00:00
Denis Vlasenko
119b995437 hush: reinstate hush_test, add testcases for process subst 2007-05-11 12:57:35 +00:00
Denis Vlasenko
3e9aaae5dc hush: fix bug in interactive shell introduced yesterday 
hush: fix `process subst` (2 bugs)
NB: will delete and re-add hush_test in order to change file modes
 2007-05-11 12:56:43 +00:00
Denis Vlasenko
e0a336747c hush: fix "unterminated last line loops forever" bug 
hush: add testsuite infrastructure
 2007-05-10 23:06:55 +00:00