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" Description: imcc indenter
" Author: Andrew Rodland <arodland@entermail.net>
" Last Change: 2004 Aug 3
" As usual, we want to be alone
if exists("b:did_indent")
finish
endif
let b:did_indent=1
setlocal indentexpr=PIRIndent()
setlocal indentkeys=o,O,*<Return>,<bs>,:,=.end,0#
fun! InPOD(lnum)
return synIDattr(synID(a:lnum, 1, 1), "name") =~? '^myPod$\|^pod[A-Z]'
endfun
fun! PIRIndent()
let thisline = getline(v:lnum)
let POD_START = '^=[a-z]'
if thisline =~? POD_START
return 0
endif
if InPOD(v:lnum)
return -1
endif
let LABEL_OR_COMMENT = '^\s*\k\+:\s*$\|^#'
if thisline =~? LABEL_OR_COMMENT
return 0
endif
let lnum=v:lnum
while lnum > 0
let lnum = prevnonblank(lnum-1)
let prevline = getline(lnum)
if prevline !~? LABEL_OR_COMMENT
if !InPOD(lnum)
break
endif
endif
endwhile
if lnum < 1
return 0
endif
let ind = indent(lnum)
let SUB = '^\s*\.pcc_sub\s\+\|^\s*\.sub\s\+'
let RETURNBLOCK = '\s*\.pcc_begin_return\s*$'
let END = '^\s*\.end\s*$\|^\s*\.pcc_end_return\s*$'
if prevline =~? SUB
let ind = ind + &sw
endif
if prevline =~? RETURNBLOCK
let ind = ind + &sw
endif
if thisline =~? END
let ind = ind - &sw
endif
return ind
endfun
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