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" Vim syntax file
" Language: Erlang
" Author: Oscar Hellström <oscar@oscarh.net> (http://oscar.hellstrom.st)
" Contributors: Ricardo Catalinas Jiménez <jimenezrick@gmail.com>
" License: Vim license
" Version: 2012/05/07
if exists("b:current_syntax")
finish
else
let b:current_syntax = "erlang"
endif
if !exists("g:erlang_highlight_bif")
let g:erlang_highlight_bif = 1
endif
" Erlang is case sensitive
syn case match
" Match groups
syn match erlangStringModifier /\\./ contained
syn match erlangStringModifier /\~\%(-\?[0-9*]\+\)\?\%(\.[0-9*]*\%(\..\?t\?\)\?\)\?\%(\~\|c\|f\|e\|g\|s\|w\|p\|W\|P\|B\|X\|#\|b\|x\|+\|n\|i\)/ contained
syn match erlangModifier /\$\\\?./
syn match erlangInteger /\<\%([0-9]\+#[0-9a-fA-F]\+\|[0-9]\+\)\>/
syn match erlangFloat /\<[0-9]\+\.[0-9]\+\%(e-\?[0-9]\+\)\?\>/
syn keyword erlangTodo TODO FIXME XXX contained
syn match erlangComment /%.*$/ contains=@Spell,erlangTodo,erlangAnnotation
syn match erlangAnnotation /\%(%\s\)\@<=@\%(author\|clear\|copyright\|deprecated\|doc\|docfile\|end\|equiv\|headerfile\|hidden\|private\|reference\|see\|since\|spec\|throws\|title\|todo\|TODO\|type\|version\)/ contained
syn match erlangAnnotation /`[^']\+'/ contained
syn keyword erlangKeyword band bor bnot bsl bsr bxor div rem xor
syn keyword erlangKeyword try catch begin receive after cond fun let query
syn keyword erlangConditional case if of end
syn keyword erlangConditional not and or andalso orelse
syn keyword erlangConditional when
syn keyword erlangBoolean true false
syn keyword erlangGuard is_list is_alive is_atom is_binary is_bitstring is_boolean is_tuple is_number is_integer is_float is_function is_constant is_pid is_port is_reference is_record is_process_alive
syn match erlangOperator /\/\|*\|+\|-\|++\|--/
syn match erlangOperator /->\|<-\|||\||\|!\|=/
syn match erlangOperator /=:=\|==\|\/=\|=\/=\|<\|>\|=<\|>=/
syn keyword erlangOperator div rem
syn region erlangString start=/"/ end=/"/ skip=/\\/ contains=@Spell,erlangStringModifier
syn match erlangVariable /\<[A-Z_]\w*\>/
syn match erlangAtom /\%(\%(^-\)\|#\)\@<!\<[a-z][A-Za-z0-9_]*\>\%(\s*[(:]\)\@!/
syn match erlangAtom /\\\@<!'[^']*\\\@<!'/
syn match erlangRecord /#\w\+/
syn match erlangTuple /{\|}/
syn match erlangList /\[\|\]/
syn match erlangAttribute /^-\%(vsn\|author\|copyright\|compile\|deprecated\|module\|export\|import\|behaviour\|behavior\|export_type\|ignore_xref\|on_load\|mode\)\s*(\@=/
syn match erlangInclude /^-include\%(_lib\)\?\s*(\@=/
syn match erlangRecordDef /^-record\s*(\@=/
syn match erlangDefine /^-\%(define\|undef\)\s*(\@=/
syn match erlangPreCondit /^-\%(ifdef\|ifndef\|else\|endif\)\%(\s*(\@=\)\?/
syn match erlangType /^-\%(spec\|type\|opaque\|callback\)[( ]\@=/
syn match erlangMacro /\%(-define(\)\@<=\w\+/
syn match erlangMacro /?\??\w\+/
syn match erlangBitType /\%(\/\|-\)\@<=\%(bits\|bitstring\|binary\|integer\|float\|unit\)\>/
syn match erlangBitSize /:\@<=[0-9]\+/
syn match erlangBinary /<<\|>>/
" BIFs
syn match erlangBIF /\%([^:0-9A-Za-z_]\|\<erlang:\|^\)\@<=\%(abs\|apply\|atom_to_binary\|atom_to_list\|binary_part\|binary_to_atom\|binary_to_existing_atom\|binary_to_list\|binary_to_term\|bit_size\|bitstring_to_list\|byte_size\|check_process_code\|date\|delete_module\|demonitor\|disconnect_node\|element\|erase\|error\|exit\|float\|float_to_list\|garbage_collect\|get\|get_keys\|group_leader\|halt\|hd\|integer_to_list\|iolist_size\|iolist_to_binary\|is_alive\|is_atom\|is_binary\|is_bitstring\|is_boolean\|is_float\|is_function\|is_integer\|is_list\|is_number\|is_pid\|is_port\|is_process_alive\|is_record\|is_reference\|is_tuple\|length\|link\|list_to_atom\|list_to_binary\|list_to_bitstring\|list_to_existing_atom\|list_to_float\|list_to_integer\|list_to_pid\|list_to_tuple\|load_module\|make_ref\|max\|min\|module_loaded\|monitor\|monitor_node\|node\|nodes\|now\|open_port\|pid_to_list\|port_close\|port_command\|port_connect\|port_control\|pre_loaded\|processes\|process_flag\|process_info\|purge_module\|put\|register\|registered\|round\|self\|setelement\|size\|spawn\|spawn_link\|spawn_monitor\|spawn_opt\|split_binary\|statistics\|term_to_binary\|throw\|time\|tl\|trunc\|tuple_size\|tuple_to_list\|unlink\|unregister\|whereis\)\%((\|\/[0-9]\)\@=/
syn match erlangBIF /\%(\<erlang:\)\@<=\%(append_element\|bump_reductions\|cancel_timer\|decode_packet\|display\|function_exported\|fun_info\|fun_to_list\|get_cookie\|get_stacktrace\|hash\|is_builtin\|loaded\|load_nif\|localtime\|localtime_to_universaltime\|make_tuple\|memory\|monitor_node\|phash\|port_call\|port_info\|ports\|port_to_list\|process_display\|read_timer\|ref_to_list\|resume_process\|send\|send_after\|send_nosuspend\|set_cookie\|start_timer\|suspend_process\|system_flag\|system_info\|system_monitor\|system_profile\|trace\|trace_delivered\|trace_info\|trace_pattern\|universaltime\|universaltime_to_localtime\|yield\)(\@=/
syn match erlangGBIF /\<erlang\%(:\w\)\@=/
" Link Erlang stuff to Vim groups
hi def link erlangTodo Todo
hi def link erlangString String
hi def link erlangNoSpellString String
hi def link erlangModifier SpecialChar
hi def link erlangStringModifier SpecialChar
hi def link erlangComment Comment
hi def link erlangAnnotation Special
hi def link erlangVariable Identifier
hi def link erlangInclude Include
hi def link erlangRecordDef Keyword
hi def link erlangAttribute Keyword
hi def link erlangKeyword Keyword
hi def link erlangMacro Macro
hi def link erlangDefine Define
hi def link erlangPreCondit PreCondit
hi def link erlangPreProc PreProc
hi def link erlangDelimiter Delimiter
hi def link erlangBitDelimiter Normal
hi def link erlangOperator Operator
hi def link erlangConditional Conditional
hi def link erlangGuard Conditional
hi def link erlangBoolean Boolean
hi def link erlangAtom Constant
hi def link erlangRecord Structure
hi def link erlangInteger Number
hi def link erlangFloat Number
hi def link erlangFloat Number
hi def link erlangFloat Number
hi def link erlangFloat Number
hi def link erlangHex Number
hi def link erlangFun Keyword
hi def link erlangList Delimiter
hi def link erlangTuple Delimiter
hi def link erlangBinary Keyword
hi def link erlangBitVariable Identifier
hi def link erlangBitType Type
hi def link erlangType Type
hi def link erlangBitSize Number
" Optional highlighting
if g:erlang_highlight_bif
hi def link erlangBIF Keyword
hi def link erlangGBIF Keyword
endif
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