busybox-w32/shell/ash_test/ash-vars, branch realpath

hush: IFS fixes

2018-04-11T14:02:58+00:00

$ IFS=": "; x=" "; set x $x; for v; do echo "|$v|"; done |x| $ IFS=": "; x=":"; set x $x; for v; do echo "|$v|"; done |x| || function old new delta run_pipe 1789 1870 +81 expand_on_ifs 310 361 +51 pseudo_exec_argv 588 591 +3 builtin_local 50 53 +3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/0 up/down: 138/0) Total: 138 bytes Signed-off-by: Denys Vlasenko

ash: parser: Allow newlines within parameter substitution

2018-04-11T10:39:18+00:00

Upstream commit: Date: Thu, 22 Mar 2018 21:41:24 +0800 parser: Allow newlines within parameter substitution On Fri, Mar 16, 2018 at 11:27:22AM +0800, Herbert Xu wrote: > On Thu, Mar 15, 2018 at 10:49:15PM +0100, Harald van Dijk wrote: > > > > Okay, it can be trivially modified to something that does work in other > > shells (even if it were actually executed), but gets rejected at parse time > > by dash: > > > > if false; then > > : ${$+ > > } > > fi > > That's just a bug in dash's parser with ${} in general, because > it bombs out without the if clause too: > > : ${$+ > } This patch fixes the parsing of newlines with parameter substitution. Signed-off-by: Herbert Xu Signed-off-by: Denys Vlasenko

ash: parser: Add syntax stack for recursive parsing

2018-04-02T11:15:37+00:00

This closes 10821. Upstream patch: From: Herbert Xu Date: Fri, 9 Mar 2018 00:14:02 +0800 parser: Add syntax stack for recursive parsing Without a stack of syntaxes we cannot correctly these two cases together: "${a#'$$'}" "${a#"${b-'$$'}"}" A recursive parser also helps in some other corner cases such as nested arithmetic expansion with paratheses. This patch adds a syntax stack allocated from the stack using alloca. As a side-effect this allows us to remove the naked backslashes for patterns within double-quotes, which means that EXP_QPAT also has to go. This patch also fixes removes any backslashes that precede right braces when they are present within a parameter expansion context, and backslashes that precede double quotes within inner double quotes inside a parameter expansion in a here-document context. The idea of a recursive parser is based on a patch by Harald van Dijk. Signed-off-by: Herbert Xu var_bash3, var_bash4 and var_bash6 tests are updated with the output given by bash-4.3.43 With this patch, the following tests now pass for ash: dollar_repl_slash_bash2.tests squote_in_varexp2.tests squote_in_varexp.tests var_bash4.tests function old new delta readtoken1 2615 2874 +259 synstack_push - 54 +54 evalvar 574 571 -3 rmescapes 330 310 -20 subevalvar 1279 1258 -21 argstr 1146 1107 -39 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/4 up/down: 313/-83) Total: 230 bytes Signed-off-by: Denys Vlasenko

shells: fix var_LINENO1.tests false positive, add it to ash tests too

2018-03-31T18:31:13+00:00

Signed-off-by: Denys Vlasenko

ash testsuite: add two hush tests from last commit

2018-01-25T13:09:06+00:00

Signed-off-by: Denys Vlasenko

shell: echo ${?:0} was fixed sometime ago, enable it in tests

2018-01-13T18:28:19+00:00

Signed-off-by: Denys Vlasenko

ash: update testsuite (we now error out on ${#=})

2017-08-14T13:01:32+00:00

Signed-off-by: Denys Vlasenko

shell: remove ${#+} tests, it is not a valid construct

2017-07-25T22:30:02+00:00

Signed-off-by: Denys Vlasenko

hush: fix ${##}, ${#?}, ${#!} handling

2017-07-25T22:07:27+00:00

function old new delta parse_dollar 786 820 +34 expand_one_var 1579 1592 +13 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 47/0) Total: 47 bytes Signed-off-by: Denys Vlasenko

ash: [VAR] Move unsetvar functionality into setvareq

2017-07-25T14:29:36+00:00

Upstream commit: Date: Tue, 25 May 2010 20:55:05 +0800 [VAR] Move unsetvar functionality into setvareq This patch moves the unsetvar code into setvareq so that we can no have a pathological case of an unset variable hanging around unless it has a bit pinning it like VEXPORT. Signed-off-by: Herbert Xu function old new delta setvareq 227 303 +76 expmeta 517 521 +4 localcmd 364 366 +2 unsetcmd 96 76 -20 unsetvar 129 7 -122 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/2 up/down: 82/-142) Total: -60 bytes Signed-off-by: Denys Vlasenko