On Sun, 2007-10-21 at 03:45 +0300, Ilya Bobir wrote:
> Ed Catmur wrote:
> > [...]
> > 3. Marking escaped quotes as errors after parameter dereference
> > operators:
> >
> >> echo ${foo+\"yes\"}
> >> echo ${foo+\'yes\'}
> >>
> >
> > 4. Escaping close parens broken in case matches:
> >
> >> case x in \));; esac
> >>
> >
> > 5. Escaping quotes broken in lots of places:
> > echo \"hello\"
> > echo \'hello\'
> > echo \`hello\`
> >
> > [...]
> >
>
> \\\@<![something]
>
> what means "[something] not preceded by a backslash" can be replaced with
>
> \(^\|[^\\]\)\(\\\\\)*\zs[something]
>
> what means "[something] not preceded be a non escaped backslash".
>
> Here is a version without escaping and with some spaces, while it is not a
> valid Vim regex it maybe easier to read:
>
> ( ^ | [^\\] ) ( \\ \\ )* \zs [something]
Ah, thanks.
Actually, it turns out the problem was that \' etc. wasn't being
understood inside function definitions. The attached fixes it by adding
shSpecial to shCommandSubList.
Ed.
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--- vim71/runtime/syntax/sh.vim 2007/10/20 19:35:31 1.1
+++ vim71/runtime/syntax/sh.vim 2007/10/20 21:46:17
@@ -71,9 +71,9 @@ syn case match
" Clusters: [EMAIL PROTECTED] clusters {{{1
"==================================
syn cluster shCaseEsacList contains=shCaseStart,shCase,shCaseBar,shCaseIn,shComment,shDeref,shDerefSimple,shCaseCommandSub,shCaseExSingleQuote,shCaseSingleQuote,shCaseDoubleQuote,shCtrlSeq
-syn cluster shCaseList [EMAIL PROTECTED],shCaseEsac,shColon,shCommandSub,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq
+syn cluster shCaseList [EMAIL PROTECTED],shCaseEsac,shColon,shCommandSub,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shRedir,shRepeat,shSetList,shSource,shStatement,shVariable,shCtrlSeq
syn cluster shColonList [EMAIL PROTECTED]
-syn cluster shCommandSubList contains=shArithmetic,shDeref,shDerefSimple,shNumber,shOperator,shPosnParm,shExSingleQuote,shSingleQuote,shDoubleQuote,shStatement,shVariable,shSubSh,shAlias,shTest,shCtrlSeq
+syn cluster shCommandSubList contains=shArithmetic,shDeref,shDerefSimple,shNumber,shOperator,shPosnParm,shExSingleQuote,shSingleQuote,shDoubleQuote,shStatement,shVariable,shSubSh,shAlias,shTest,shCtrlSeq,shSpecial
syn cluster shCurlyList contains=shNumber,shComma,shDeref,shDerefSimple,shDerefSpecial
syn cluster shDblQuoteList contains=shCommandSub,shDeref,shDerefSimple,shPosnParm,shExSingleQuote,shCtrlSeq,shSpecial
syn cluster shDerefList contains=shDeref,shDerefSimple,shDerefVar,shDerefSpecial,shDerefWordError,shDerefPPS
@@ -81,7 +81,7 @@ syn cluster shDerefVarList contains=shDe
syn cluster shEchoList contains=shArithmetic,shCommandSub,shDeref,shDerefSimple,shExpr,shExSingleQuote,shSingleQuote,shDoubleQuote,shCtrlSeq
syn cluster shExprList1 contains=shCharClass,shNumber,shOperator,shExSingleQuote,shSingleQuote,shDoubleQuote,shExpr,shDblBrace,shDeref,shDerefSimple,shCtrlSeq
syn cluster shExprList2 [EMAIL PROTECTED],@shCaseList,shTest
-syn cluster shFunctionList [EMAIL PROTECTED],shCaseEsac,shColon,shCommandSub,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shRedir,shSetList,shSource,shStatement,shVariable,shOperator,shFunctionStart,shCtrlSeq
+syn cluster shFunctionList [EMAIL PROTECTED],shCaseEsac,shColon,shCommandSub,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shRedir,shRepeat,shSetList,shSource,shStatement,shVariable,shOperator,shFunctionStart,shCtrlSeq
if exists("b:is_kornshell") || exists("b:is_bash")
syn cluster shFunctionList add=shDblBrace,shDblParen
endif
@@ -182,7 +182,6 @@ else
syn region shFor matchgroup=shLoop start="\<for\>" end="\<in\>" end="\<do\>"me=e-2 [EMAIL PROTECTED],shDblParen skipwhite nextgroup=shCurlyIn
endif
if exists("b:is_kornshell") || exists("b:is_bash")
- syn cluster shCaseList add=shRepeat
syn region shRepeat matchgroup=shLoop start="\<while\>" end="\<in\>" end="\<do\>"me=e-2 [EMAIL PROTECTED],shDblParen,shDblBrace
syn region shRepeat matchgroup=shLoop start="\<until\>" end="\<in\>" end="\<do\>"me=e-2 [EMAIL PROTECTED],shDblParen,shDblBrace
syn region shCaseEsac matchgroup=shConditional start="\<select\>" matchgroup=shConditional end="\<in\>" end="\<do\>" [EMAIL PROTECTED]
@@ -195,9 +194,9 @@ syn match shComma contained ","
" Case: case...esac {{{1
" ====
-syn match shCaseBar contained skipwhite "[^|"`'()]\{-}|"hs=e nextgroup=shCase,shCaseStart,shCaseBar,shComment,shCaseExSingleQuote,shCaseSingleQuote,shCaseDoubleQuote
+syn match shCaseBar contained skipwhite "\([^|"`'()\\]\|\\.\)\{-}|"hs=e nextgroup=shCase,shCaseStart,shCaseBar,shComment,shCaseExSingleQuote,shCaseSingleQuote,shCaseDoubleQuote
syn match shCaseStart contained skipwhite skipnl "(" nextgroup=shCase,shCaseBar
-syn region shCase contained skipwhite skipnl matchgroup=shSnglCase start="\([^#$()'" \t]\|\\.\)\{-})"ms=s,hs=e end=";;" end="esac"me=s-1 [EMAIL PROTECTED] nextgroup=shCaseStart,shCase,shComment
+syn region shCase contained skipwhite skipnl matchgroup=shSnglCase start="\([^#$()'" \t\\]\|\\.\)\{-})"ms=s,hs=e end=";;" end="esac"me=s-1 [EMAIL PROTECTED] nextgroup=shCaseStart,shCase,shComment
if g:sh_fold_enabled
syn region shCaseEsac fold matchgroup=shConditional start="\<case\>" end="\<esac\>" [EMAIL PROTECTED]
else
@@ -541,7 +539,6 @@ hi def link shFunctionKey Function
hi def link shFunctionName Function
hi def link shNumber Number
hi def link shOperator Operator
-hi def link shRepeat Repeat
hi def link shSet Statement
hi def link shSetList Identifier
hi def link shShellVariables PreProc
