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

hush: fix "$v" expansion in case patterns when v='[a]'

2018-04-11T11:47:59+00:00

function old new delta run_list 1053 1063 +10 setup_redirects 311 320 +9 encode_then_expand_string 135 142 +7 run_pipe 1784 1789 +5 expand_assignments 81 86 +5 expand_string_to_string 124 125 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/0 up/down: 37/0) Total: 37 bytes Signed-off-by: Denys Vlasenko

ash: parser: Fix parameter expansion inside inner double quotes

2018-04-02T19:00:59+00:00

Upstream email: parser: Fix parameter expansion inside inner double quotes The parsing of parameter expansion inside inner double quotes breaks because we never look for ENDVAR while innerdq is true. echo "${x#"${x+''}"''} This patch fixes it by pushing the syntax stack if innerdq is true and we enter a new parameter expansion. This patch also fixes a corner case where a bad substitution error occurs within arithmetic expansion. Reported-by: Denys Vlasenko Fixes: ab1cecb40478 (" parser: Add syntax stack for recursive...") Signed-off-by: Herbert Xu function old new delta readtoken1 2880 2898 +18 Signed-off-by: Denys Vlasenko

hush: fix a backslash-removal bug in case

2018-04-02T15:25:18+00:00

function old new delta run_list 1270 1053 -217 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

ash,hush: new test dollar_repl_slash_bash2.tests

2018-03-30T21:25:24+00:00

This fails for ash. hush works. Signed-off-by: Denys Vlasenko

hush: fix a='a\\'; echo "${a%\\\\}"

2018-03-02T19:48:36+00:00

Signed-off-by: Denys Vlasenko

shell: tweak bkslash_in_varexp.tests, add bkslash_in_varexp1.tests

2018-03-02T17:12:12+00:00

It turns out bkslash_in_varexp.tests was a bash bug :] ash and hush fail "corrected" bkslash_in_varexp.tests as well, just not as badly as I thought (hush gets half of the cases right). Signed-off-by: Denys Vlasenko

shell: two new tests, both fail for ash and hush

2018-03-02T16:13:22+00:00

Signed-off-by: Denys Vlasenko

ash : fix double-quoted "\z" handling

2018-02-13T13:44:11+00:00

function old new delta readtoken1 2602 2608 +6 Signed-off-by: Denys Vlasenko

ash: add LINENO support

2018-01-27T21:02:05+00:00

This patch is a backport from dash of the combination of: [SHELL] Add preliminary LINENO support [VAR] Fix varinit ordering that broke fc [SHELL] Improve LINENO support function old new delta parse_command 1604 1677 +73 calcsize 156 223 +67 copynode 196 258 +62 evalcommand 1546 1606 +60 ash_main 1046 1103 +57 lookupvar 51 106 +55 evalcase 269 317 +48 evaltree 501 547 +46 evalfor 156 200 +44 evalsubshell 156 195 +39 raise_error_syntax 11 29 +18 varinit_data 120 132 +12 evalfun 270 280 +10 funcline - 4 +4 cmdtxt 569 572 +3 trapcmd 306 304 -2 ash_vmsg 153 150 -3 startlinno 4 - -4 funcnest 4 - -4 xxreadtoken 263 250 -13 readtoken1 2645 2602 -43 ------------------------------------------------------------------------------ (add/remove: 1/2 grow/shrink: 14/4 up/down: 598/-69) Total: 529 bytes text data bss dec hex filename 932834 481 6864 940179 e5893 busybox_old 933375 481 6856 940712 e5aa8 busybox_unstripped Signed-off-by: Denys Vlasenko