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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: 2011/09/11
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*]\+\..\?\)\?\%(c\|f\|e\|g\|s\|w\|p\|W\|P\|B\|X\|#\|b\|+\|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\)\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\)[( ]\@=/
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\|exit\|float\|float_to_list\|garbage_collect\|get\|get_keys\|group_leader\|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\|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 link erlangTodo Todo
hi link erlangString String
hi link erlangNoSpellString String
hi link erlangModifier SpecialChar
hi link erlangStringModifier SpecialChar
hi link erlangComment Comment
hi link erlangAnnotation Special
hi link erlangVariable Identifier
hi link erlangInclude Include
hi link erlangRecordDef Keyword
hi link erlangAttribute Keyword
hi link erlangKeyword Keyword
hi link erlangMacro Macro
hi link erlangDefine Define
hi link erlangPreCondit PreCondit
hi link erlangPreProc PreProc
hi link erlangDelimiter Delimiter
hi link erlangBitDelimiter Normal
hi link erlangOperator Operator
hi link erlangConditional Conditional
hi link erlangGuard Conditional
hi link erlangBoolean Boolean
hi link erlangAtom Constant
hi link erlangRecord Structure
hi link erlangInteger Number
hi link erlangFloat Number
hi link erlangFloat Number
hi link erlangFloat Number
hi link erlangFloat Number
hi link erlangHex Number
hi link erlangFun Keyword
hi link erlangList Delimiter
hi link erlangTuple Delimiter
hi link erlangBinary Keyword
hi link erlangBitVariable Identifier
hi link erlangBitType Type
hi link erlangType Type
hi link erlangBitSize Number
" Optional highlighting
if g:erlang_highlight_bif
hi link erlangBIF Keyword
hi link erlangGBIF Keyword
endif
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