" Language:     Lua 4.0, Lua 5.0, Lua 5.1, Lua 5.2 and Lua 5.3
" Maintainer:   Marcus Aurelius Farias <masserahguard-lua 'at' yahoo com>
" First Author: Carlos Augusto Teixeira Mendes <cmendes 'at' inf puc-rio br>
" Last Change:  2022 Sep 07
" Options:      lua_version = 4 or 5
"               lua_subversion = 0 (for 4.0 or 5.0)
"                               or 1, 2, 3 (for 5.1, 5.2 or 5.3)
"               the default is 5.3

" quit when a syntax file was already loaded
if exists("b:current_syntax")
  finish
endif

let s:cpo_save = &cpo
set cpo&vim

if !exists("lua_version")
  " Default is lua 5.3
  let lua_version = 5
  let lua_subversion = 3
elseif !exists("lua_subversion")
  " lua_version exists, but lua_subversion doesn't. In this case set it to 0
  let lua_subversion = 0
endif

syn case match

" syncing method
syn sync minlines=1000

if lua_version >= 5
  syn keyword luaMetaMethod __add __sub __mul __div __pow __unm __concat
  syn keyword luaMetaMethod __eq __lt __le
  syn keyword luaMetaMethod __index __newindex __call
  syn keyword luaMetaMethod __metatable __mode __gc __tostring
endif

if lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
  syn keyword luaMetaMethod __mod __len
endif

if lua_version > 5 || (lua_version == 5 && lua_subversion >= 2)
  syn keyword luaMetaMethod __pairs
endif

if lua_version > 5 || (lua_version == 5 && lua_subversion >= 3)
  syn keyword luaMetaMethod __idiv __name
  syn keyword luaMetaMethod __band __bor __bxor __bnot __shl __shr
endif

if lua_version > 5 || (lua_version == 5 && lua_subversion >= 4)
  syn keyword luaMetaMethod __close
endif

" catch errors caused by wrong parenthesis and wrong curly brackets or
" keywords placed outside their respective blocks

syn region luaParen transparent start='(' end=')' contains=TOP,luaParenError
syn match  luaParenError ")"
syn match  luaError "}"
syn match  luaError "\<\%(end\|else\|elseif\|then\|until\|in\)\>"

" Function declaration
syn region luaFunctionBlock transparent matchgroup=luaFunction start="\<function\>" end="\<end\>" contains=TOP

" else
syn keyword luaCondElse matchgroup=luaCond contained containedin=luaCondEnd else

" then ... end
syn region luaCondEnd contained transparent matchgroup=luaCond start="\<then\>" end="\<end\>" contains=TOP

" elseif ... then
syn region luaCondElseif contained containedin=luaCondEnd transparent matchgroup=luaCond start="\<elseif\>" end="\<then\>" contains=TOP

" if ... then
syn region luaCondStart transparent matchgroup=luaCond start="\<if\>" end="\<then\>"me=e-4 contains=TOP nextgroup=luaCondEnd skipwhite skipempty

" do ... end
syn region luaBlock transparent matchgroup=luaStatement start="\<do\>" end="\<end\>" contains=TOP
" repeat ... until
syn region luaRepeatBlock transparent matchgroup=luaRepeat start="\<repeat\>" end="\<until\>" contains=TOP

" while ... do
syn region luaWhile transparent matchgroup=luaRepeat start="\<while\>" end="\<do\>"me=e-2 contains=TOP nextgroup=luaBlock skipwhite skipempty

" for ... do and for ... in ... do
syn region luaFor transparent matchgroup=luaRepeat start="\<for\>" end="\<do\>"me=e-2 contains=TOP nextgroup=luaBlock skipwhite skipempty

syn keyword luaFor contained containedin=luaFor in

" other keywords
syn keyword luaStatement return local break
if lua_version > 5 || (lua_version == 5 && lua_subversion >= 2)
  syn keyword luaStatement goto
  syn match luaLabel "::\I\i*::"
endif

" operators
syn keyword luaOperator and or not

if (lua_version == 5 && lua_subversion >= 3) || lua_version > 5
  syn match luaSymbolOperator "[#<>=~^&|*/%+-]\|\.\{2,3}"
elseif lua_version == 5 && (lua_subversion == 1 || lua_subversion == 2)
  syn match luaSymbolOperator "[#<>=~^*/%+-]\|\.\{2,3}"
else
  syn match luaSymbolOperator "[<>=~^*/+-]\|\.\{2,3}"
endif

" comments
syn keyword luaTodo            contained TODO FIXME XXX
syn match   luaComment         "--.*$" contains=luaTodo,@Spell
if lua_version == 5 && lua_subversion == 0
  syn region luaComment        matchgroup=luaCommentDelimiter start="--\[\[" end="\]\]" contains=luaTodo,luaInnerComment,@Spell
  syn region luaInnerComment   contained transparent start="\[\[" end="\]\]"
elseif lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
  " Comments in Lua 5.1: --[[ ... ]], [=[ ... ]=], [===[ ... ]===], etc.
  syn region luaComment        matchgroup=luaCommentDelimiter start="--\[\z(=*\)\[" end="\]\z1\]" contains=luaTodo,@Spell
endif

" first line may start with #!
syn match luaComment "\%^#!.*"

syn keyword luaConstant nil
if lua_version > 4
  syn keyword luaConstant true false
endif

" strings
syn match  luaSpecial contained #\\[\\abfnrtv'"[\]]\|\\[[:digit:]]\{,3}#
if lua_version == 5
  if lua_subversion == 0
    syn region luaString2 matchgroup=luaStringDelimiter start=+\[\[+ end=+\]\]+ contains=luaString2,@Spell
  else
    if lua_subversion >= 2
      syn match  luaSpecial contained #\\z\|\\x[[:xdigit:]]\{2}#
    endif
    if lua_subversion >= 3
      syn match  luaSpecial contained #\\u{[[:xdigit:]]\+}#
    endif
    syn region luaString2 matchgroup=luaStringDelimiter start="\[\z(=*\)\[" end="\]\z1\]" contains=@Spell
  endif
endif
syn region luaString matchgroup=luaStringDelimiter start=+'+ end=+'+ skip=+\\\\\|\\'+ contains=luaSpecial,@Spell
syn region luaString matchgroup=luaStringDelimiter start=+"+ end=+"+ skip=+\\\\\|\\"+ contains=luaSpecial,@Spell

" integer number
syn match luaNumber "\<\d\+\>"
" floating point number, with dot, optional exponent
syn match luaNumber  "\<\d\+\.\d*\%([eE][-+]\=\d\+\)\="
" floating point number, starting with a dot, optional exponent
syn match luaNumber  "\.\d\+\%([eE][-+]\=\d\+\)\=\>"
" floating point number, without dot, with exponent
syn match luaNumber  "\<\d\+[eE][-+]\=\d\+\>"

" hex numbers
if lua_version >= 5
  if lua_subversion == 1
    syn match luaNumber "\<0[xX]\x\+\>"
  elseif lua_subversion >= 2
    syn match luaNumber "\<0[xX][[:xdigit:].]\+\%([pP][-+]\=\d\+\)\=\>"
  endif
endif

" tables
syn region luaTableBlock transparent matchgroup=luaTable start="{" end="}" contains=TOP,luaStatement

" methods
syntax match luaFunc ":\@<=\k\+"

" built-in functions
syn keyword luaFunc assert collectgarbage dofile error next
syn keyword luaFunc print rawget rawset self tonumber tostring type _VERSION

if lua_version == 4
  syn keyword luaFunc _ALERT _ERRORMESSAGE gcinfo
  syn keyword luaFunc call copytagmethods dostring
  syn keyword luaFunc foreach foreachi getglobal getn
  syn keyword luaFunc gettagmethod globals newtag
  syn keyword luaFunc setglobal settag settagmethod sort
  syn keyword luaFunc tag tinsert tremove
  syn keyword luaFunc _INPUT _OUTPUT _STDIN _STDOUT _STDERR
  syn keyword luaFunc openfile closefile flush seek
  syn keyword luaFunc setlocale execute remove rename tmpname
  syn keyword luaFunc getenv date clock exit
  syn keyword luaFunc readfrom writeto appendto read write
  syn keyword luaFunc PI abs sin cos tan asin
  syn keyword luaFunc acos atan atan2 ceil floor
  syn keyword luaFunc mod frexp ldexp sqrt min max log
  syn keyword luaFunc log10 exp deg rad random
  syn keyword luaFunc randomseed strlen strsub strlower strupper
  syn keyword luaFunc strchar strrep ascii strbyte
  syn keyword luaFunc format strfind gsub
  syn keyword luaFunc getinfo getlocal setlocal setcallhook setlinehook
elseif lua_version == 5
  syn keyword luaFunc getmetatable setmetatable
  syn keyword luaFunc ipairs pairs
  syn keyword luaFunc pcall xpcall
  syn keyword luaFunc _G loadfile rawequal require
  if lua_subversion == 0
    syn keyword luaFunc getfenv setfenv
    syn keyword luaFunc loadstring unpack
    syn keyword luaFunc gcinfo loadlib LUA_PATH _LOADED _REQUIREDNAME
  else
    syn keyword luaFunc load select
    syn match   luaFunc /\<package\.cpath\>/
    syn match   luaFunc /\<package\.loaded\>/
    syn match   luaFunc /\<package\.loadlib\>/
    syn match   luaFunc /\<package\.path\>/
    syn match   luaFunc /\<package\.preload\>/
    if lua_subversion == 1
      syn keyword luaFunc getfenv setfenv
      syn keyword luaFunc loadstring module unpack
      syn match   luaFunc /\<package\.loaders\>/
      syn match   luaFunc /\<package\.seeall\>/
    elseif lua_subversion >= 2
      syn keyword luaFunc _ENV rawlen
      syn match   luaFunc /\<package\.config\>/
      syn match   luaFunc /\<package\.preload\>/
      syn match   luaFunc /\<package\.searchers\>/
      syn match   luaFunc /\<package\.searchpath\>/
    endif

    if lua_subversion >= 3
      syn match luaFunc /\<coroutine\.isyieldable\>/
    endif
    if lua_subversion >= 4
      syn keyword luaFunc warn
      syn match luaFunc /\<coroutine\.close\>/
    endif
    syn match luaFunc /\<coroutine\.running\>/
  endif
  syn match   luaFunc /\<coroutine\.create\>/
  syn match   luaFunc /\<coroutine\.resume\>/
  syn match   luaFunc /\<coroutine\.status\>/
  syn match   luaFunc /\<coroutine\.wrap\>/
  syn match   luaFunc /\<coroutine\.yield\>/

  syn match   luaFunc /\<string\.byte\>/
  syn match   luaFunc /\<string\.char\>/
  syn match   luaFunc /\<string\.dump\>/
  syn match   luaFunc /\<string\.find\>/
  syn match   luaFunc /\<string\.format\>/
  syn match   luaFunc /\<string\.gsub\>/
  syn match   luaFunc /\<string\.len\>/
  syn match   luaFunc /\<string\.lower\>/
  syn match   luaFunc /\<string\.rep\>/
  syn match   luaFunc /\<string\.sub\>/
  syn match   luaFunc /\<string\.upper\>/
  if lua_subversion == 0
    syn match luaFunc /\<string\.gfind\>/
  else
    syn match luaFunc /\<string\.gmatch\>/
    syn match luaFunc /\<string\.match\>/
    syn match luaFunc /\<string\.reverse\>/
  endif
  if lua_subversion >= 3
    syn match luaFunc /\<string\.pack\>/
    syn match luaFunc /\<string\.packsize\>/
    syn match luaFunc /\<string\.unpack\>/
    syn match luaFunc /\<utf8\.char\>/
    syn match luaFunc /\<utf8\.charpattern\>/
    syn match luaFunc /\<utf8\.codes\>/
    syn match luaFunc /\<utf8\.codepoint\>/
    syn match luaFunc /\<utf8\.len\>/
    syn match luaFunc /\<utf8\.offset\>/
  endif

  if lua_subversion == 0
    syn match luaFunc /\<table\.getn\>/
    syn match luaFunc /\<table\.setn\>/
    syn match luaFunc /\<table\.foreach\>/
    syn match luaFunc /\<table\.foreachi\>/
  elseif lua_subversion == 1
    syn match luaFunc /\<table\.maxn\>/
  elseif lua_subversion >= 2
    syn match luaFunc /\<table\.pack\>/
    syn match luaFunc /\<table\.unpack\>/
    if lua_subversion >= 3
      syn match luaFunc /\<table\.move\>/
    endif
  endif
  syn match   luaFunc /\<table\.concat\>/
  syn match   luaFunc /\<table\.insert\>/
  syn match   luaFunc /\<table\.sort\>/
  syn match   luaFunc /\<table\.remove\>/

  if lua_subversion == 2
    syn match   luaFunc /\<bit32\.arshift\>/
    syn match   luaFunc /\<bit32\.band\>/
    syn match   luaFunc /\<bit32\.bnot\>/
    syn match   luaFunc /\<bit32\.bor\>/
    syn match   luaFunc /\<bit32\.btest\>/
    syn match   luaFunc /\<bit32\.bxor\>/
    syn match   luaFunc /\<bit32\.extract\>/
    syn match   luaFunc /\<bit32\.lrotate\>/
    syn match   luaFunc /\<bit32\.lshift\>/
    syn match   luaFunc /\<bit32\.replace\>/
    syn match   luaFunc /\<bit32\.rrotate\>/
    syn match   luaFunc /\<bit32\.rshift\>/
  endif

  syn match   luaFunc /\<math\.abs\>/
  syn match   luaFunc /\<math\.acos\>/
  syn match   luaFunc /\<math\.asin\>/
  syn match   luaFunc /\<math\.atan\>/
  if lua_subversion < 3
    syn match   luaFunc /\<math\.atan2\>/
  endif
  syn match   luaFunc /\<math\.ceil\>/
  syn match   luaFunc /\<math\.sin\>/
  syn match   luaFunc /\<math\.cos\>/
  syn match   luaFunc /\<math\.tan\>/
  syn match   luaFunc /\<math\.deg\>/
  syn match   luaFunc /\<math\.exp\>/
  syn match   luaFunc /\<math\.floor\>/
  syn match   luaFunc /\<math\.log\>/
  syn match   luaFunc /\<math\.max\>/
  syn match   luaFunc /\<math\.min\>/
  if lua_subversion == 0
    syn match luaFunc /\<math\.mod\>/
    syn match luaFunc /\<math\.log10\>/
  elseif lua_subversion == 1
    syn match luaFunc /\<math\.log10\>/
  endif
  if lua_subversion >= 1
    syn match luaFunc /\<math\.huge\>/
    syn match luaFunc /\<math\.fmod\>/
    syn match luaFunc /\<math\.modf\>/
    if lua_subversion == 1 || lua_subversion == 2
      syn match luaFunc /\<math\.cosh\>/
      syn match luaFunc /\<math\.sinh\>/
      syn match luaFunc /\<math\.tanh\>/
    endif
  endif
  syn match   luaFunc /\<math\.rad\>/
  syn match   luaFunc /\<math\.sqrt\>/
  if lua_subversion < 3
    syn match   luaFunc /\<math\.pow\>/
    syn match   luaFunc /\<math\.frexp\>/
    syn match   luaFunc /\<math\.ldexp\>/
  else
    syn match   luaFunc /\<math\.maxinteger\>/
    syn match   luaFunc /\<math\.mininteger\>/
    syn match   luaFunc /\<math\.tointeger\>/
    syn match   luaFunc /\<math\.type\>/
    syn match   luaFunc /\<math\.ult\>/
  endif
  syn match   luaFunc /\<math\.random\>/
  syn match   luaFunc /\<math\.randomseed\>/
  syn match   luaFunc /\<math\.pi\>/

  syn match   luaFunc /\<io\.close\>/
  syn match   luaFunc /\<io\.flush\>/
  syn match   luaFunc /\<io\.input\>/
  syn match   luaFunc /\<io\.lines\>/
  syn match   luaFunc /\<io\.open\>/
  syn match   luaFunc /\<io\.output\>/
  syn match   luaFunc /\<io\.popen\>/
  syn match   luaFunc /\<io\.read\>/
  syn match   luaFunc /\<io\.stderr\>/
  syn match   luaFunc /\<io\.stdin\>/
  syn match   luaFunc /\<io\.stdout\>/
  syn match   luaFunc /\<io\.tmpfile\>/
  syn match   luaFunc /\<io\.type\>/
  syn match   luaFunc /\<io\.write\>/

  syn match   luaFunc /\<os\.clock\>/
  syn match   luaFunc /\<os\.date\>/
  syn match   luaFunc /\<os\.difftime\>/
  syn match   luaFunc /\<os\.execute\>/
  syn match   luaFunc /\<os\.exit\>/
  syn match   luaFunc /\<os\.getenv\>/
  syn match   luaFunc /\<os\.remove\>/
  syn match   luaFunc /\<os\.rename\>/
  syn match   luaFunc /\<os\.setlocale\>/
  syn match   luaFunc /\<os\.time\>/
  syn match   luaFunc /\<os\.tmpname\>/

  syn match   luaFunc /\<debug\.debug\>/
  syn match   luaFunc /\<debug\.gethook\>/
  syn match   luaFunc /\<debug\.getinfo\>/
  syn match   luaFunc /\<debug\.getlocal\>/
  syn match   luaFunc /\<debug\.getupvalue\>/
  syn match   luaFunc /\<debug\.setlocal\>/
  syn match   luaFunc /\<debug\.setupvalue\>/
  syn match   luaFunc /\<debug\.sethook\>/
  syn match   luaFunc /\<debug\.traceback\>/
  if lua_subversion == 1
    syn match luaFunc /\<debug\.getfenv\>/
    syn match luaFunc /\<debug\.setfenv\>/
  endif
  if lua_subversion >= 1
    syn match luaFunc /\<debug\.getmetatable\>/
    syn match luaFunc /\<debug\.setmetatable\>/
    syn match luaFunc /\<debug\.getregistry\>/
    if lua_subversion >= 2
      syn match luaFunc /\<debug\.getuservalue\>/
      syn match luaFunc /\<debug\.setuservalue\>/
      syn match luaFunc /\<debug\.upvalueid\>/
      syn match luaFunc /\<debug\.upvaluejoin\>/
    endif
    if lua_subversion >= 4
      syn match luaFunc /\<debug.setcstacklimit\>/
    endif
  endif
endif

" Define the default highlighting.
" Only when an item doesn't have highlighting yet

hi def link luaStatement        Statement
hi def link luaRepeat           Repeat
hi def link luaFor              Repeat
hi def link luaString           String
hi def link luaString2          String
hi def link luaStringDelimiter  luaString
hi def link luaNumber           Number
hi def link luaOperator         Operator
hi def link luaSymbolOperator   luaOperator
hi def link luaConstant         Constant
hi def link luaCond             Conditional
hi def link luaCondElse         Conditional
hi def link luaFunction         Function
hi def link luaMetaMethod       Function
hi def link luaComment          Comment
hi def link luaCommentDelimiter luaComment
hi def link luaTodo             Todo
hi def link luaTable            Structure
hi def link luaError            Error
hi def link luaParenError       Error
hi def link luaSpecial          SpecialChar
hi def link luaFunc             Identifier
hi def link luaLabel            Label


syn keyword luaFunc accept_target
syn keyword luaFunc add_3dmesh
syn keyword luaFunc alloc_surface
syn keyword luaFunc appl_arguments
syn keyword luaFunc arcantarget_hint
syn keyword luaFunc attrtag_model
syn keyword luaFunc audio_buffer_size
syn keyword luaFunc audio_gain
syn keyword luaFunc audio_listener
syn keyword luaFunc audio_outputs
syn keyword luaFunc audio_position
syn keyword luaFunc audio_reconfigure
syn keyword luaFunc benchmark_data
syn keyword luaFunc benchmark_enable
syn keyword luaFunc benchmark_timestamp
syn keyword luaFunc benchmark_tracedata
syn keyword luaFunc blend_image
syn keyword luaFunc bond_target
syn keyword luaFunc build_3dbox
syn keyword luaFunc build_3dplane
syn keyword luaFunc build_cylinder
syn keyword luaFunc build_pointcloud
syn keyword luaFunc build_shader
syn keyword luaFunc build_sphere
syn keyword luaFunc camtag_model
syn keyword luaFunc capture_audio
syn keyword luaFunc center_image
syn keyword luaFunc close_rawresource
syn keyword luaFunc color_surface
syn keyword luaFunc controller_leds
syn keyword luaFunc copy_image_transform
syn keyword luaFunc copy_surface_properties
syn keyword luaFunc crop_image
syn keyword luaFunc current_context_usage
syn keyword luaFunc cursor_position
syn keyword luaFunc cursor_setstorage
syn keyword luaFunc decode_modifiers
syn keyword luaFunc define_arcantarget
syn keyword luaFunc define_calctarget
syn keyword luaFunc define_feedtarget
syn keyword luaFunc define_linktarget
syn keyword luaFunc define_nulltarget
syn keyword luaFunc define_recordtarget
syn keyword luaFunc define_rendertarget
syn keyword luaFunc delete_audio
syn keyword luaFunc delete_image
syn keyword luaFunc delete_shader
syn keyword luaFunc expire_image
syn keyword luaFunc fill_surface
syn keyword luaFunc finalize_3dmodel
syn keyword luaFunc focus_target
syn keyword luaFunc force_image_blend
syn keyword luaFunc forward3d_model
syn keyword luaFunc frameserver_debugstall
syn keyword luaFunc freeze_image
syn keyword luaFunc get_key
syn keyword luaFunc get_keys
syn keyword luaFunc glob_resource
syn keyword luaFunc hide_image
syn keyword luaFunc image_access_storage
syn keyword luaFunc image_active_frame
syn keyword luaFunc image_children
syn keyword luaFunc image_clip_off
syn keyword luaFunc image_clip_on
syn keyword luaFunc image_color
syn keyword luaFunc image_framecyclemode
syn keyword luaFunc image_framesetsize
syn keyword luaFunc image_get_txcos
syn keyword luaFunc image_hit
syn keyword luaFunc image_inherit_order
syn keyword luaFunc image_loaded
syn keyword luaFunc image_mask_clear
syn keyword luaFunc image_mask_clearall
syn keyword luaFunc image_mask_set
syn keyword luaFunc image_mask_toggle
syn keyword luaFunc image_matchstorage
syn keyword luaFunc image_metadata
syn keyword luaFunc image_mipmap
syn keyword luaFunc image_origo_offset
syn keyword luaFunc image_parent
syn keyword luaFunc image_pushasynch
syn keyword luaFunc image_resize_storage
syn keyword luaFunc image_scale_txcos
syn keyword luaFunc image_screen_coordinates
syn keyword luaFunc image_set_txcos
syn keyword luaFunc image_set_txcos_default
syn keyword luaFunc image_shader
syn keyword luaFunc image_sharestorage
syn keyword luaFunc image_state
syn keyword luaFunc image_storage_properties
syn keyword luaFunc image_storage_slice
syn keyword luaFunc image_surface_initial
syn keyword luaFunc image_surface_initial_properties
syn keyword luaFunc image_surface_properties
syn keyword luaFunc image_surface_resolve
syn keyword luaFunc image_surface_resolve_properties
syn keyword luaFunc image_tesselation
syn keyword luaFunc image_texfilter
syn keyword luaFunc image_tracetag
syn keyword luaFunc image_transform_cycle
syn keyword luaFunc input_capabilities
syn keyword luaFunc input_remap_translation
syn keyword luaFunc input_samplebase
syn keyword luaFunc input_target
syn keyword luaFunc inputanalog_filter
syn keyword luaFunc inputanalog_query
syn keyword luaFunc inputanalog_toggle
syn keyword luaFunc instant_image_transform
syn keyword luaFunc kbd_repeat
syn keyword luaFunc launch_avfeed
syn keyword luaFunc launch_decode
syn keyword luaFunc launch_target
syn keyword luaFunc led_intensity
syn keyword luaFunc link_image
syn keyword luaFunc list_audio_inputs
syn keyword luaFunc list_namespaces
syn keyword luaFunc list_target_tags
syn keyword luaFunc list_targets
syn keyword luaFunc load_asample
syn keyword luaFunc load_image
syn keyword luaFunc load_image_asynch
syn keyword luaFunc map_video_display
syn keyword luaFunc match_keys
syn keyword luaFunc max_current_image_order
syn keyword luaFunc mesh_shader
syn keyword luaFunc message_target
syn keyword luaFunc move3d_model
syn keyword luaFunc move_cursor
syn keyword luaFunc move_image
syn keyword luaFunc net_authenticate
syn keyword luaFunc net_discover
syn keyword luaFunc net_listen
syn keyword luaFunc net_open
syn keyword luaFunc new_3dmodel
syn keyword luaFunc nudge_cursor
syn keyword luaFunc nudge_image
syn keyword luaFunc null_surface
syn keyword luaFunc open_nonblock
syn keyword luaFunc open_rawresource
syn keyword luaFunc order_image
syn keyword luaFunc orient3d_model
syn keyword luaFunc pacify_target
syn keyword luaFunc persist_image
syn keyword luaFunc pick_items
syn keyword luaFunc play_audio
syn keyword luaFunc pop_video_context
syn keyword luaFunc push_video_context
syn keyword luaFunc random_surface
syn keyword luaFunc raw_surface
syn keyword luaFunc read_rawresource
syn keyword luaFunc recordtarget_gain
syn keyword luaFunc relink_image
syn keyword luaFunc render_text
syn keyword luaFunc rendertarget_attach
syn keyword luaFunc rendertarget_bind
syn keyword luaFunc rendertarget_detach
syn keyword luaFunc rendertarget_forceupdate
syn keyword luaFunc rendertarget_id
syn keyword luaFunc rendertarget_metrics
syn keyword luaFunc rendertarget_noclear
syn keyword luaFunc rendertarget_range
syn keyword luaFunc rendertarget_reconfigure
syn keyword luaFunc rendertarget_vids
syn keyword luaFunc resample_image
syn keyword luaFunc reset_image_transform
syn keyword luaFunc reset_target
syn keyword luaFunc resize_cursor
syn keyword luaFunc resize_image
syn keyword luaFunc resize_video_canvas
syn keyword luaFunc resource
syn keyword luaFunc restore_target
syn keyword luaFunc resume_target
syn keyword luaFunc rotate3d_model
syn keyword luaFunc rotate_image
syn keyword luaFunc save_screenshot
syn keyword luaFunc scale3d_model
syn keyword luaFunc scale_3dvertices
syn keyword luaFunc scale_image
syn keyword luaFunc set_context_attachment
syn keyword luaFunc set_image_as_frame
syn keyword luaFunc set_led
syn keyword luaFunc set_led_rgb
syn keyword luaFunc shader_ugroup
syn keyword luaFunc shader_uniform
syn keyword luaFunc show_image
syn keyword luaFunc shutdown
syn keyword luaFunc snapshot_target
syn keyword luaFunc step3d_model
syn keyword luaFunc stepframe_target
syn keyword luaFunc store_key
syn keyword luaFunc storepop_video_context
syn keyword luaFunc storepush_video_context
syn keyword luaFunc strafe3d_model
syn keyword luaFunc subsystem_reset
syn keyword luaFunc suspend_target
syn keyword luaFunc switch_default_blendmode
syn keyword luaFunc switch_default_imageproc
syn keyword luaFunc switch_default_scalemode
syn keyword luaFunc switch_default_texfilter
syn keyword luaFunc switch_default_texmode
syn keyword luaFunc swizzle_model
syn keyword luaFunc system_collapse
syn keyword luaFunc system_context_size
syn keyword luaFunc system_defaultfont
syn keyword luaFunc system_identstr
syn keyword luaFunc system_load
syn keyword luaFunc system_snapshot
syn keyword luaFunc tag_image_transform
syn keyword luaFunc target_alloc
syn keyword luaFunc target_anchorhint
syn keyword luaFunc target_configurations
syn keyword luaFunc target_coreopt
syn keyword luaFunc target_devicehint
syn keyword luaFunc target_displayhint
syn keyword luaFunc target_flags
syn keyword luaFunc target_fonthint
syn keyword luaFunc target_framemode
syn keyword luaFunc target_geohint
syn keyword luaFunc target_graphmode
syn keyword luaFunc target_input
syn keyword luaFunc target_parent
syn keyword luaFunc target_portconfig
syn keyword luaFunc target_seek
syn keyword luaFunc target_synchronous
syn keyword luaFunc target_updatehandler
syn keyword luaFunc target_verbose
syn keyword luaFunc text_dimensions
syn keyword luaFunc text_surface
syn keyword luaFunc toggle_mouse_grab
syn keyword luaFunc transfer_image_transform
syn keyword luaFunc utf8kind
syn keyword luaFunc valid_vid
syn keyword luaFunc video_3dorder
syn keyword luaFunc video_display_state
syn keyword luaFunc video_displaydescr
syn keyword luaFunc video_displaygamma
syn keyword luaFunc video_displaymodes
syn keyword luaFunc video_synchronization
syn keyword luaFunc vr_map_limb
syn keyword luaFunc vr_metadata
syn keyword luaFunc vr_setup
syn keyword luaFunc warning
syn keyword luaFunc write_rawresource
syn keyword luaFunc zap_resource
let b:current_syntax = "arcan_lua"

let &cpo = s:cpo_save
unlet s:cpo_save
" vim: et ts=8 sw=2