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avisynth.js
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avisynth.js
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// @ts-nocheck
avisynth.displayName = 'avisynth'
avisynth.aliases = ['avs']
/** @type {import('../core.js').Syntax} */
export default function avisynth(Prism) {
// http://avisynth.nl/index.php/The_full_AviSynth_grammar
;(function (Prism) {
function replace(pattern, replacements) {
return pattern.replace(/<<(\d+)>>/g, function (m, index) {
return replacements[+index]
})
}
function re(pattern, replacements, flags) {
return RegExp(replace(pattern, replacements), flags || '')
}
var types = /bool|clip|float|int|string|val/.source
var internals = [
// bools
/is(?:bool|clip|float|int|string)|defined|(?:(?:internal)?function|var)?exists?/
.source,
// control
/apply|assert|default|eval|import|nop|select|undefined/.source,
// global
/opt_(?:allowfloataudio|avipadscanlines|dwchannelmask|enable_(?:b64a|planartopackedrgb|v210|y3_10_10|y3_10_16)|usewaveextensible|vdubplanarhack)|set(?:cachemode|maxcpu|memorymax|planarlegacyalignment|workingdir)/
.source,
// conv
/hex(?:value)?|value/.source,
// numeric
/abs|ceil|continued(?:denominator|numerator)?|exp|floor|fmod|frac|log(?:10)?|max|min|muldiv|pi|pow|rand|round|sign|spline|sqrt/
.source,
// trig
/a?sinh?|a?cosh?|a?tan[2h]?/.source,
// bit
/(?:bit(?:and|not|x?or|[lr]?shift[aslu]?|sh[lr]|sa[lr]|[lr]rotatel?|ro[rl]|te?st|set(?:count)?|cl(?:ea)?r|ch(?:an)?ge?))/
.source,
// runtime
/average(?:[bgr]|chroma[uv]|luma)|(?:[rgb]|chroma[uv]|luma|rgb|[yuv](?=difference(?:fromprevious|tonext)))difference(?:fromprevious|tonext)?|[yuvrgb]plane(?:median|min|max|minmaxdifference)/
.source,
// script
/getprocessinfo|logmsg|script(?:dir(?:utf8)?|file(?:utf8)?|name(?:utf8)?)|setlogparams/
.source,
// string
/chr|(?:fill|find|left|mid|replace|rev|right)str|format|[lu]case|ord|str(?:cmpi?|fromutf8|len|toutf8)|time|trim(?:all|left|right)/
.source,
// version
/isversionorgreater|version(?:number|string)/.source,
// helper
/buildpixeltype|colorspacenametopixeltype/.source,
// avsplus
/addautoloaddir|on(?:cpu|cuda)|prefetch|setfiltermtmode/.source
].join('|')
var properties = [
// content
/has(?:audio|video)/.source,
// resolution
/height|width/.source,
// framerate
/frame(?:count|rate)|framerate(?:denominator|numerator)/.source,
// interlacing
/getparity|is(?:field|frame)based/.source,
// color format
/bitspercomponent|componentsize|hasalpha|is(?:planar(?:rgba?)?|interleaved|rgb(?:24|32|48|64)?|y(?:8|u(?:va?|y2))?|yv(?:12|16|24|411)|420|422|444|packedrgb)|numcomponents|pixeltype/
.source,
// audio
/audio(?:bits|channels|duration|length(?:[fs]|hi|lo)?|rate)|isaudio(?:float|int)/
.source
].join('|')
var filters = [
// source
/avi(?:file)?source|directshowsource|image(?:reader|source|sourceanim)|opendmlsource|segmented(?:avisource|directshowsource)|wavsource/
.source,
// color
/coloryuv|convertbacktoyuy2|convertto(?:RGB(?:24|32|48|64)|(?:planar)?RGBA?|Y8?|YV(?:12|16|24|411)|YUVA?(?:411|420|422|444)|YUY2)|fixluminance|gr[ae]yscale|invert|levels|limiter|mergea?rgb|merge(?:chroma|luma)|rgbadjust|show(?:alpha|blue|green|red)|swapuv|tweak|[uv]toy8?|ytouv/
.source,
// overlay
/(?:colorkey|reset)mask|layer|mask(?:hs)?|merge|overlay|subtract/.source,
// geometry
/addborders|(?:bicubic|bilinear|blackman|gauss|lanczos4|lanczos|point|sinc|spline(?:16|36|64))resize|crop(?:bottom)?|flip(?:horizontal|vertical)|(?:horizontal|vertical)?reduceby2|letterbox|skewrows|turn(?:180|left|right)/
.source,
// pixel
/blur|fixbrokenchromaupsampling|generalconvolution|(?:spatial|temporal)soften|sharpen/
.source,
// timeline
/trim|(?:un)?alignedsplice|(?:assume|assumescaled|change|convert)FPS|(?:delete|duplicate)frame|dissolve|fade(?:in|io|out)[02]?|freezeframe|interleave|loop|reverse|select(?:even|odd|(?:range)?every)/
.source,
// interlace
/assume[bt]ff|assume(?:field|frame)based|bob|complementparity|doubleweave|peculiarblend|pulldown|separate(?:columns|fields|rows)|swapfields|weave(?:columns|rows)?/
.source,
// audio
/amplify(?:db)?|assumesamplerate|audiodub(?:ex)?|audiotrim|convertaudioto(?:(?:8|16|24|32)bit|float)|converttomono|delayaudio|ensurevbrmp3sync|get(?:left|right)?channel|kill(?:audio|video)|mergechannels|mixaudio|monotostereo|normalize|resampleaudio|ssrc|supereq|timestretch/
.source,
// conditional
/animate|applyrange|conditional(?:filter|reader|select)|frameevaluate|scriptclip|tcp(?:server|source)|writefile(?:end|if|start)?/
.source,
// export
/imagewriter/.source,
// debug
/blackness|blankclip|colorbars(?:hd)?|compare|dumpfiltergraph|echo|histogram|info|messageclip|preroll|setgraphanalysis|show(?:framenumber|smpte|time)|showfiveversions|stack(?:horizontal|vertical)|subtitle|tone|version/
.source
].join('|')
var allinternals = [internals, properties, filters].join('|')
Prism.languages.avisynth = {
comment: [
{
// Matches [* *] nestable block comments, but only supports 1 level of nested comments
// /\[\*(?:[^\[*]|\[(?!\*)|\*(?!\])|<self>)*\*\]/
pattern:
/(^|[^\\])\[\*(?:[^\[*]|\[(?!\*)|\*(?!\])|\[\*(?:[^\[*]|\[(?!\*)|\*(?!\]))*\*\])*\*\]/,
lookbehind: true,
greedy: true
},
{
// Matches /* */ block comments
pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
lookbehind: true,
greedy: true
},
{
// Matches # comments
pattern: /(^|[^\\$])#.*/,
lookbehind: true,
greedy: true
}
],
// Handle before strings because optional arguments are surrounded by double quotes
argument: {
pattern: re(/\b(?:<<0>>)\s+("?)\w+\1/.source, [types], 'i'),
inside: {
keyword: /^\w+/
}
},
// Optional argument assignment
'argument-label': {
pattern: /([,(][\s\\]*)\w+\s*=(?!=)/,
lookbehind: true,
inside: {
'argument-name': {
pattern: /^\w+/,
alias: 'punctuation'
},
punctuation: /=$/
}
},
string: [
{
// triple double-quoted
pattern: /"""[\s\S]*?"""/,
greedy: true
},
{
// single double-quoted
pattern: /"(?:\\(?:\r\n|[\s\S])|[^"\\\r\n])*"/,
greedy: true,
inside: {
constant: {
// These *are* case-sensitive!
pattern:
/\b(?:DEFAULT_MT_MODE|(?:MAINSCRIPT|PROGRAM|SCRIPT)DIR|(?:MACHINE|USER)_(?:CLASSIC|PLUS)_PLUGINS)\b/
}
}
}
],
// The special "last" variable that takes the value of the last implicitly returned clip
variable: /\b(?:last)\b/i,
boolean: /\b(?:false|no|true|yes)\b/i,
keyword:
/\b(?:catch|else|for|function|global|if|return|try|while|__END__)\b/i,
constant: /\bMT_(?:MULTI_INSTANCE|NICE_FILTER|SERIALIZED|SPECIAL_MT)\b/,
// AviSynth's internal functions, filters, and properties
'builtin-function': {
pattern: re(/\b(?:<<0>>)\b/.source, [allinternals], 'i'),
alias: 'function'
},
'type-cast': {
pattern: re(/\b(?:<<0>>)(?=\s*\()/.source, [types], 'i'),
alias: 'keyword'
},
// External/user-defined filters
function: {
pattern: /\b[a-z_]\w*(?=\s*\()|(\.)[a-z_]\w*\b/i,
lookbehind: true
},
// Matches a \ as the first or last character on a line
'line-continuation': {
pattern: /(^[ \t]*)\\|\\(?=[ \t]*$)/m,
lookbehind: true,
alias: 'punctuation'
},
number:
/\B\$(?:[\da-f]{6}|[\da-f]{8})\b|(?:(?:\b|\B-)\d+(?:\.\d*)?\b|\B\.\d+\b)/i,
operator: /\+\+?|[!=<>]=?|&&|\|\||[?:*/%-]/,
punctuation: /[{}\[\]();,.]/
}
Prism.languages.avs = Prism.languages.avisynth
})(Prism)
}