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" Copyright (c) 2013 Junegunn Choi
"
" MIT License
"
" Permission is hereby granted, free of charge, to any person obtaining
" a copy of this software and associated documentation files (the
" "Software"), to deal in the Software without restriction, including
" without limitation the rights to use, copy, modify, merge, publish,
" distribute, sublicense, and/or sell copies of the Software, and to
" permit persons to whom the Software is furnished to do so, subject to
" the following conditions:
"
" The above copyright notice and this permission notice shall be
" included in all copies or substantial portions of the Software.
"
" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
" NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
" LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
" OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
" WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
function! vader#parser#parse(fn, line1, line2)
return s:parse_vader(s:read_vader(a:fn, a:line1, a:line2), a:line1)
endfunction
function! s:flush_buffer(cases, case, fn, lnum, raw, label, newlabel, buffer, final)
let is_validation = index(['then', 'expect'], a:newlabel) >= 0
let fpos = a:fn.':'.a:lnum
if empty(a:label)
if is_validation
echoerr 'Expect/Then should not appear before Do/Execute ('.fpos.')'
endif
else
let rev = reverse(copy(a:buffer))
while len(rev) > 0 && empty(rev[0])
call remove(rev, 0)
endwhile
let data = map(reverse(rev), (a:case.raw ? 'v:val' : 'strpart(v:val, 2)'))
let a:case[a:label] = data
if !empty(a:buffer)
call remove(a:buffer, 0, -1)
endif
let fulfilled = has_key(a:case, 'do') || has_key(a:case, 'execute')
if is_validation
if !fulfilled
echoerr 'Expect/Then should not appear before Do/Execute ('.fpos.')'
endif
if has_key(a:case, a:newlabel)
echoerr 'Expect/Then should appear only once for each Do/Execute ('.fpos.')'
endif
endif
if a:final ||
\ a:newlabel == 'given' ||
\ index(['before', 'after', 'do', 'execute'], a:newlabel) >= 0 && fulfilled
call add(a:cases, deepcopy(a:case))
let new = { 'comment': {}, 'lnum': a:lnum, 'pending': 0 }
if !empty(get(a:case, 'type', ''))
let new.type = a:case.type " To reuse Given block with type
endif
call extend(filter(a:case, '0'), new)
endif
endif
let a:case.raw = a:raw
endfunction
function! s:read_vader(fn, line1, line2)
let remains = readfile(a:fn)[a:line1 - 1 : a:line2 - 1]
let lnum = a:line1
let lines = []
let reserved = 0
let depth = 0 " Not a strict depth
let max_depth = 10
while len(remains) > 0
let line = remove(remains, 0)
let m = matchlist(line, '^Include\(\s*(.*)\s*\)\?:\s*\(.\{-}\)\s*$')
if !empty(m)
let file = findfile(m[2], fnamemodify(a:fn, ':h'))
if empty(file)
echoerr "Cannot find ".m[2]
endif
if reserved > 0
let depth += 1
if depth >= max_depth
echoerr 'Recursive inclusion limit exceeded'
endif
let reserved -= 1
endif
let included = readfile(file)
let reserved += len(included)
call extend(remains, included, 0)
continue
end
call add(lines, [a:fn, lnum, line])
if reserved > 0
let reserved -= 1
end
if reserved == 0
let depth = 0
let lnum += 1
endif
endwhile
return lines
endfunction
function! s:parse_vader(lines, line1)
let label = ''
let newlabel = ''
let buffer = []
let cases = []
let case = { 'lnum': a:line1, 'comment': {}, 'pending': 0, 'raw': 0 }
if empty(a:lines)
return []
endif
for [fn, lnum, line] in a:lines
" Comment / separators
if !case.raw && line =~ '^[#"=~*^-]'
continue
endif
let matched = 0
for l in ['Before', 'After', 'Given', 'Execute', 'Expect', 'Do', 'Then']
let m = matchlist(line, '^'.l.'\%(\s\+\([^:;(]\+\)\)\?\s*\%((\(.*\))\)\?\s*\([:;]\)\s*$')
if !empty(m)
let newlabel = tolower(l)
call s:flush_buffer(cases, case, fn, lnum, m[3] == ';', label, newlabel, buffer, 0)
let label = newlabel
let arg = m[1]
let comment = m[2]
if !empty(arg)
if l == 'Given' | let case.type = arg
elseif l == 'Execute' | let case.lang_if = arg
end
elseif l == 'Given'
let case.type = ''
endif
if !empty(comment)
let case.comment[tolower(l)] = comment
if index(['do', 'execute'], label) >= 0 &&
\ comment =~# '\<TODO\>\|\<FIXME\>'
let case.pending = 1
endif
endif
let matched = 1
break
endif
endfor
if matched | continue | endif
" Continuation
if !empty(line) && !case.raw && line !~ '^ '
throw 'Syntax error (line does not start with two spaces): ' . line
endif
if !empty(label)
call add(buffer, line)
endif
endfor
call s:flush_buffer(cases, case, fn, lnum, case.raw, label, '', buffer, 1)
let ret = []
let prev = {}
for case in cases
if has_key(case, "do") || has_key(case, "execute")
call add(ret, extend(prev, case))
let prev = {}
else
let prev = case
endif
endfor
return ret
endfunction
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