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Current File : //proc/self/root/usr/share/vim/vim74/syntax/erlang.vim
" Vim syntax file
" Language:     Erlang (http://www.erlang.org)
" Maintainer:   Csaba Hoch <csaba.hoch@gmail.com>
" Last Update:  2013-Jul-25
" License:      Vim license
" URL:          https://github.com/hcs42/vim-erlang

" Acknowledgements: This script was originally created by Kresimir Marzic [1].
" The script was then revamped by Csaba Hoch [2]. During the revamp, the new
" highlighting style and some code was taken from the Erlang syntax script
" that is part of vimerl [3], created by Oscar Hellström [4] and improved by
" Ricardo Catalinas Jiménez [5].

" [1]: Kreąimir Marľić (Kresimir Marzic) <kmarzic@fly.srk.fer.hr>
" [2]: Csaba Hoch <csaba.hoch@gmail.com>
" [3]: https://github.com/jimenezrick/vimerl
" [4]: Oscar Hellström <oscar@oscarh.net> (http://oscar.hellstrom.st)
" [5]: Ricardo Catalinas Jiménez <jimenezrick@gmail.com>

" Customization:
"
" To use the old highlighting style, add this to your .vimrc:
"
"     let g:erlang_old_style_highlight = 1
"
" To highlight further module attributes, add them to
" ~/.vim/after/syntax/erlang.vim:
"
"     syn keyword erlangAttribute myattr1 myattr2 contained

" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
    syntax clear
elseif exists("b:current_syntax")
    finish
endif

let s:cpo_save = &cpo
set cpo&vim

" Case sensitive
syn case match

if version >= 600
  setlocal iskeyword+=$,@-@
endif

" Comments
syn match erlangComment           '%.*$' contains=erlangCommentAnnotation,erlangTodo
syn match erlangCommentAnnotation ' \@<=@\%(clear\|docfile\|end\|headerfile\|todo\|TODO\|type\|author\|copyright\|doc\|reference\|see\|since\|title\|version\|deprecated\|hidden\|private\|equiv\|spec\|throws\)' contained
syn match erlangCommentAnnotation /`[^']*'/ contained
syn keyword erlangTodo            TODO FIXME XXX contained
syn match erlangShebang           '^#!.*'

" Numbers (minimum base is 2, maximum is 36.)
syn match erlangNumberInteger '\<\d\+\>'
syn match erlangNumberInteger '\<\%([2-9]\|[12]\d\|3[0-6]\)\+#[[:alnum:]]\+\>'
syn match erlangNumberFloat   '\<\d\+\.\d\+\%([eE][+-]\=\d\+\)\=\>'

" Strings, atoms, characters
syn region erlangString            start=/"/ end=/"/ contains=erlangStringModifier
syn region erlangQuotedAtom        start=/'/ end=/'/ contains=erlangQuotedAtomModifier
syn match erlangStringModifier     '\~\a\|\\\%(\o\{1,3}\|x\x\x\|x{\x\+}\|\^.\|.\)' contained
syn match erlangQuotedAtomModifier '\~\a\|\\\%(\o\{1,3}\|x\x\x\|x{\x\+}\|\^.\|.\)' contained
syn match erlangModifier           '\$\%([^\\]\|\\\%(\o\{1,3}\|x\x\x\|x{\x\+}\|\^.\|.\)\)'

" Operators, separators
syn match erlangOperator   '==\|=:=\|/=\|=/=\|<\|=<\|>\|>=\|++\|--\|=\|!\|<-\|+\|-\|\*\|\/'
syn keyword erlangOperator div rem or xor bor bxor bsl bsr and band not bnot andalso orelse
syn match erlangBracket    '{\|}\|\[\|]\||\|||'
syn match erlangPipe       '|'
syn match erlangRightArrow '->'

" Atoms, function calls (order is important)
syn match erlangAtom           '\<\l[[:alnum:]_@]*' contains=erlangBoolean
syn keyword erlangBoolean      true false contained
syn match erlangLocalFuncCall  '\<\a[[:alnum:]_@]*\>\%(\%(\s\|\n\|%.*\n\)*(\)\@=' contains=erlangBIF
syn match erlangLocalFuncRef   '\<\a[[:alnum:]_@]*\>\%(\%(\s\|\n\|%.*\n\)*/\)\@='
syn match erlangGlobalFuncCall '\<\%(\a[[:alnum:]_@]*\%(\s\|\n\|%.*\n\)*\.\%(\s\|\n\|%.*\n\)*\)*\a[[:alnum:]_@]*\%(\s\|\n\|%.*\n\)*:\%(\s\|\n\|%.*\n\)*\a[[:alnum:]_@]*\>\%(\%(\s\|\n\|%.*\n\)*(\)\@=' contains=erlangComment
syn match erlangGlobalFuncRef  '\<\%(\a[[:alnum:]_@]*\%(\s\|\n\|%.*\n\)*\.\%(\s\|\n\|%.*\n\)*\)*\a[[:alnum:]_@]*\%(\s\|\n\|%.*\n\)*:\%(\s\|\n\|%.*\n\)*\a[[:alnum:]_@]*\>\%(\%(\s\|\n\|%.*\n\)*/\)\@=' contains=erlangComment

" Variables, macros, records
syn match erlangVariable '\<[A-Z_][[:alnum:]_@]*'
syn match erlangMacro    '??\=[[:alnum:]_@]\+'
syn match erlangMacro    '\%(-define(\)\@<=[[:alnum:]_@]\+'
syn match erlangRecord   '#\s*\l[[:alnum:]_@]*'

" Bitstrings
syn match erlangBitType '\%(\/\%(\s\|\n\|%.*\n\)*\)\@<=\%(integer\|float\|binary\|bytes\|bitstring\|bits\|binary\|utf8\|utf16\|utf32\|signed\|unsigned\|big\|little\|native\|unit\)\%(\%(\s\|\n\|%.*\n\)*-\%(\s\|\n\|%.*\n\)*\%(integer\|float\|binary\|bytes\|bitstring\|bits\|binary\|utf8\|utf16\|utf32\|signed\|unsigned\|big\|little\|native\|unit\)\)*' contains=erlangComment

" Constants and Directives
syn match erlangUnknownAttribute '^\s*-\%(\s\|\n\|%.*\n\)*\l[[:alnum:]_@]*' contains=erlangComment
syn match erlangAttribute '^\s*-\%(\s\|\n\|%.*\n\)*\%(behaviou\=r\|compile\|export\(_type\)\=\|file\|import\|module\|author\|copyright\|doc\|vsn\|on_load\)\>' contains=erlangComment
syn match erlangInclude   '^\s*-\%(\s\|\n\|%.*\n\)*\%(include\|include_lib\)\>' contains=erlangComment
syn match erlangRecordDef '^\s*-\%(\s\|\n\|%.*\n\)*record\>' contains=erlangComment
syn match erlangDefine    '^\s*-\%(\s\|\n\|%.*\n\)*\%(define\|undef\)\>' contains=erlangComment
syn match erlangPreCondit '^\s*-\%(\s\|\n\|%.*\n\)*\%(ifdef\|ifndef\|else\|endif\)\>' contains=erlangComment
syn match erlangType      '^\s*-\%(\s\|\n\|%.*\n\)*\%(spec\|type\|opaque\|callback\)\>' contains=erlangComment

" Keywords
syn keyword erlangKeyword after begin case catch cond end fun if let of query
syn keyword erlangKeyword receive when try

" Build-in-functions (BIFs)
syn keyword erlangBIF abs alive apply atom_to_binary atom_to_list contained
syn keyword erlangBIF binary_part binary_to_atom contained
syn keyword erlangBIF binary_to_existing_atom binary_to_float contained
syn keyword erlangBIF binary_to_integer bitstring_to_list contained
syn keyword erlangBIF binary_to_list binary_to_term bit_size contained
syn keyword erlangBIF byte_size check_old_code check_process_code contained
syn keyword erlangBIF concat_binary date delete_module demonitor contained
syn keyword erlangBIF disconnect_node element erase error exit contained
syn keyword erlangBIF float float_to_binary float_to_list contained
syn keyword erlangBIF garbage_collect get get_keys group_leader contained
syn keyword erlangBIF halt hd integer_to_binary integer_to_list contained
syn keyword erlangBIF iolist_to_binary iolist_size is_alive contained
syn keyword erlangBIF is_atom is_binary is_bitstring is_boolean contained
syn keyword erlangBIF is_float is_function is_integer is_list contained
syn keyword erlangBIF is_number is_pid is_port is_process_alive contained
syn keyword erlangBIF is_record is_reference is_tuple length link contained
syn keyword erlangBIF list_to_atom list_to_binary contained
syn keyword erlangBIF list_to_bitstring list_to_existing_atom contained
syn keyword erlangBIF list_to_float list_to_integer list_to_pid contained
syn keyword erlangBIF list_to_tuple load_module make_ref max min contained
syn keyword erlangBIF module_loaded monitor monitor_node node contained
syn keyword erlangBIF nodes now open_port pid_to_list port_close contained
syn keyword erlangBIF port_command port_connect pre_loaded contained
syn keyword erlangBIF process_flag process_flag process_info contained
syn keyword erlangBIF process purge_module put register registered contained
syn keyword erlangBIF round self setelement size spawn spawn_link contained
syn keyword erlangBIF spawn_monitor spawn_opt split_binary contained
syn keyword erlangBIF statistics term_to_binary throw time tl contained
syn keyword erlangBIF trunc tuple_size tuple_to_list unlink contained
syn keyword erlangBIF unregister whereis contained

" Sync at the beginning of functions: if this is not used, multiline string
" are not always recognized, and the indentation script cannot use the
" "searchpair" (because it would not always skip strings and comments when
" looking for keywords and opening parens/brackets).
syn sync match erlangSync grouphere NONE "^[a-z]\s*("
let b:erlang_syntax_synced = 1

" Define the default highlighting. See ":help group-name" for the groups and
" their colors.

let s:old_style = (exists("g:erlang_old_style_highlight") &&
                  \g:erlang_old_style_highlight == 1)

" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_erlang_inits")
  if version < 508
    let did_erlang_inits = 1
    command -nargs=+ HiLink hi link <args>
  else
    command -nargs=+ HiLink hi def link <args>
  endif

  " Comments
  HiLink erlangComment Comment
  HiLink erlangCommentAnnotation Special
  HiLink erlangTodo Todo
  HiLink erlangShebang Comment

  " Numbers
  HiLink erlangNumberInteger Number
  HiLink erlangNumberFloat Float

  " Strings, atoms, characters
  HiLink erlangString String

  if s:old_style
    HiLink erlangQuotedAtom Type
  else
    HiLink erlangQuotedAtom String
  endif

  HiLink erlangStringModifier Special
  HiLink erlangQuotedAtomModifier Special
  HiLink erlangModifier Special

  " Operators, separators
  HiLink erlangOperator Operator
  HiLink erlangRightArrow Operator
  if s:old_style
    HiLink erlangBracket Normal
    HiLink erlangPipe Normal
  else
    HiLink erlangBracket Delimiter
    HiLink erlangPipe Delimiter
  endif

  " Atoms, functions, variables, macros
  if s:old_style
    HiLink erlangAtom Normal
    HiLink erlangLocalFuncCall Normal
    HiLink erlangLocalFuncRef Normal
    HiLink erlangGlobalFuncCall Function
    HiLink erlangGlobalFuncRef Function
    HiLink erlangVariable Normal
    HiLink erlangMacro Normal
    HiLink erlangRecord Normal
  else
    HiLink erlangAtom String
    HiLink erlangLocalFuncCall Normal
    HiLink erlangLocalFuncRef Normal
    HiLink erlangGlobalFuncCall Normal
    HiLink erlangGlobalFuncRef Normal
    HiLink erlangVariable Identifier
    HiLink erlangMacro Macro
    HiLink erlangRecord Structure
  endif

  " Bitstrings
  if !s:old_style
    HiLink erlangBitType Type
  endif

  " Constants and Directives
  if s:old_style
    HiLink erlangAttribute Type
    HiLink erlangMacroDef Type
    HiLink erlangUnknownAttribute Normal
    HiLink erlangInclude Type
    HiLink erlangRecordDef Type
    HiLink erlangDefine Type
    HiLink erlangPreCondit Type
    HiLink erlangType Type
  else
    HiLink erlangAttribute Keyword
    HiLink erlangMacroDef Macro
    HiLink erlangUnknownAttribute Normal
    HiLink erlangInclude Include
    HiLink erlangRecordDef Keyword
    HiLink erlangDefine Define
    HiLink erlangPreCondit PreCondit
    HiLink erlangType Type
  endif

  " Keywords
  HiLink erlangKeyword Keyword

  " Build-in-functions (BIFs)
  HiLink erlangBIF Function

  if s:old_style
    HiLink erlangBoolean Statement
    HiLink erlangExtra Statement
    HiLink erlangSignal Statement
  else
    HiLink erlangBoolean Boolean
    HiLink erlangExtra Statement
    HiLink erlangSignal Statement
  endif

  delcommand HiLink
endif

let b:current_syntax = "erlang"

let &cpo = s:cpo_save
unlet s:cpo_save

" vim: sw=2 et