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" Vim indent file
" Language: ProvideX / PVX (Sage 100 business object source, *.pvxsrc)
" Maintainer: native-sage-connector
"
" Mirrors the indent convention encoded in formatpvx.pl: a label, switch/
" case/default, for, while, repeat, or a trailing "{" opens one level;
" return, break, next, wend, until, else, end (def/switch/...), endif,
" endcase, or a leading "}" closes one level for that line itself.
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
setlocal indentexpr=GetPvxIndent()
setlocal indentkeys=o,O,0{,0},!^F,=end,=next,=wend,=until,=else,=break,=default,=case,=endif,=endcase
setlocal autoindent
setlocal nosmartindent
setlocal nocindent
if exists("*GetPvxIndent")
finish
endif
" Strip leading indent, a trailing "! comment", and surrounding whitespace,
" so keyword patterns can be anchored at column 0 regardless of existing indent.
function! s:PvxStripComment(line)
let l = substitute(a:line, '\s*!.*$', '', '')
let l = substitute(l, '^\s*', '', '')
return substitute(l, '\s*$', '', '')
endfunction
" Lines whose presence means the *next* line gets one more indent level.
let s:pvx_opener = '\c^\%(def\|switch\|case\|default\|for\|while\|repeat\)\>\|{\s*$\|^[A-Za-z_][A-Za-z0-9_.]*:\s*$'
" Lines that get one *less* indent level applied to themselves.
let s:pvx_closer = '\c^\%(end\|endif\|endcase\|next\|wend\|until\|else\|break\|return\)\>\|^}'
function! GetPvxIndent()
let lnum = prevnonblank(v:lnum - 1)
if lnum == 0
return 0
endif
let ind = indent(lnum)
if s:PvxStripComment(getline(lnum)) =~ s:pvx_opener
let ind += &shiftwidth
endif
if s:PvxStripComment(getline(v:lnum)) =~ s:pvx_closer
let ind -= &shiftwidth
endif
return ind < 0 ? 0 : ind
endfunction
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