189 lines
7.1 KiB
JavaScript
189 lines
7.1 KiB
JavaScript
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// http://avisynth.nl/index.php/The_full_AviSynth_grammar
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(function (Prism) {
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function replace(pattern, replacements) {
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return pattern.replace(/<<(\d+)>>/g, function (m, index) {
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return replacements[+index];
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});
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}
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function re(pattern, replacements, flags) {
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return RegExp(replace(pattern, replacements), flags || '');
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}
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var types = /bool|clip|float|int|string|val/.source;
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var internals = [
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// bools
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/is(?:bool|clip|float|int|string)|defined|(?:(?:internal)?function|var)?exists?/.source,
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// control
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/apply|assert|default|eval|import|nop|select|undefined/.source,
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// global
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/opt_(?:allowfloataudio|avipadscanlines|dwchannelmask|enable_(?:b64a|planartopackedrgb|v210|y3_10_10|y3_10_16)|usewaveextensible|vdubplanarhack)|set(?:cachemode|maxcpu|memorymax|planarlegacyalignment|workingdir)/.source,
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// conv
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/hex(?:value)?|value/.source,
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// numeric
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/abs|ceil|continued(?:denominator|numerator)?|exp|floor|fmod|frac|log(?:10)?|max|min|muldiv|pi|pow|rand|round|sign|spline|sqrt/.source,
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// trig
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/a?sinh?|a?cosh?|a?tan[2h]?/.source,
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// bit
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/(?: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,
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// runtime
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/average(?:[bgr]|chroma[uv]|luma)|(?:[rgb]|chroma[uv]|luma|rgb|[yuv](?=difference(?:fromprevious|tonext)))difference(?:fromprevious|tonext)?|[yuvrgb]plane(?:median|min|max|minmaxdifference)/.source,
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// script
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/getprocessinfo|logmsg|script(?:dir(?:utf8)?|file(?:utf8)?|name(?:utf8)?)|setlogparams/.source,
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// string
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/chr|(?:fill|find|left|mid|replace|rev|right)str|format|[lu]case|ord|str(?:cmpi?|fromutf8|len|toutf8)|time|trim(?:all|left|right)/.source,
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// version
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/isversionorgreater|version(?:number|string)/.source,
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// helper
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/buildpixeltype|colorspacenametopixeltype/.source,
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// avsplus
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/addautoloaddir|on(?:cpu|cuda)|prefetch|setfiltermtmode/.source
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].join('|');
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var properties = [
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// content
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/has(?:audio|video)/.source,
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// resolution
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/height|width/.source,
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// framerate
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/frame(?:count|rate)|framerate(?:denominator|numerator)/.source,
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// interlacing
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/getparity|is(?:field|frame)based/.source,
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// color format
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/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,
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// audio
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/audio(?:bits|channels|duration|length(?:[fs]|hi|lo)?|rate)|isaudio(?:float|int)/.source
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].join('|');
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var filters = [
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// source
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/avi(?:file)?source|directshowsource|image(?:reader|source|sourceanim)|opendmlsource|segmented(?:avisource|directshowsource)|wavsource/.source,
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// color
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/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,
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// overlay
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/(?:colorkey|reset)mask|layer|mask(?:hs)?|merge|overlay|subtract/.source,
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// geometry
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/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,
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// pixel
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/blur|fixbrokenchromaupsampling|generalconvolution|(?:spatial|temporal)soften|sharpen/.source,
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// timeline
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/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,
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// interlace
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/assume[bt]ff|assume(?:field|frame)based|bob|complementparity|doubleweave|peculiarblend|pulldown|separate(?:columns|fields|rows)|swapfields|weave(?:columns|rows)?/.source,
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// audio
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/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,
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// conditional
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/animate|applyrange|conditional(?:filter|reader|select)|frameevaluate|scriptclip|tcp(?:server|source)|writefile(?:end|if|start)?/.source,
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// export
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/imagewriter/.source,
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// debug
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/blackness|blankclip|colorbars(?:hd)?|compare|dumpfiltergraph|echo|histogram|info|messageclip|preroll|setgraphanalysis|show(?:framenumber|smpte|time)|showfiveversions|stack(?:horizontal|vertical)|subtitle|tone|version/.source
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].join('|');
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var allinternals = [internals, properties, filters].join('|');
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Prism.languages.avisynth = {
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'comment': [
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{
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// Matches [* *] nestable block comments, but only supports 1 level of nested comments
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// /\[\*(?:[^\[*]|\[(?!\*)|\*(?!\])|<self>)*\*\]/
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pattern: /(^|[^\\])\[\*(?:[^\[*]|\[(?!\*)|\*(?!\])|\[\*(?:[^\[*]|\[(?!\*)|\*(?!\]))*\*\])*\*\]/,
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lookbehind: true,
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greedy: true
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},
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{
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// Matches /* */ block comments
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pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
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lookbehind: true,
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greedy: true
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},
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{
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// Matches # comments
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pattern: /(^|[^\\$])#.*/,
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lookbehind: true,
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greedy: true
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}
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],
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// Handle before strings because optional arguments are surrounded by double quotes
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'argument': {
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pattern: re(/\b(?:<<0>>)\s+("?)\w+\1/.source, [types], 'i'),
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inside: {
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'keyword': /^\w+/
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}
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},
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// Optional argument assignment
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'argument-label': {
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pattern: /([,(][\s\\]*)\w+\s*=(?!=)/,
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lookbehind: true,
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inside: {
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'argument-name': {
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pattern: /^\w+/,
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alias: 'punctuation'
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},
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'punctuation': /=$/
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}
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},
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'string': [
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{
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// triple double-quoted
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pattern: /"""[\s\S]*?"""/,
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greedy: true,
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},
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{
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// single double-quoted
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pattern: /"(?:\\(?:\r\n|[\s\S])|[^"\\\r\n])*"/,
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greedy: true,
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inside: {
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'constant': {
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// These *are* case-sensitive!
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pattern: /\b(?:DEFAULT_MT_MODE|(?:MAINSCRIPT|PROGRAM|SCRIPT)DIR|(?:MACHINE|USER)_(?:CLASSIC|PLUS)_PLUGINS)\b/
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}
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}
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}
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],
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// The special "last" variable that takes the value of the last implicitly returned clip
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'variable': /\b(?:last)\b/i,
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'boolean': /\b(?:false|no|true|yes)\b/i,
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'keyword': /\b(?:catch|else|for|function|global|if|return|try|while|__END__)\b/i,
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'constant': /\bMT_(?:MULTI_INSTANCE|NICE_FILTER|SERIALIZED|SPECIAL_MT)\b/,
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// AviSynth's internal functions, filters, and properties
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'builtin-function': {
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pattern: re(/\b(?:<<0>>)\b/.source, [allinternals], 'i'),
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alias: 'function'
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},
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'type-cast': {
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pattern: re(/\b(?:<<0>>)(?=\s*\()/.source, [types], 'i'),
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alias: 'keyword'
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},
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// External/user-defined filters
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'function': {
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pattern: /\b[a-z_]\w*(?=\s*\()|(\.)[a-z_]\w*\b/i,
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lookbehind: true
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},
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// Matches a \ as the first or last character on a line
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'line-continuation': {
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pattern: /(^[ \t]*)\\|\\(?=[ \t]*$)/m,
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lookbehind: true,
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alias: 'punctuation'
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},
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'number': /\B\$(?:[\da-f]{6}|[\da-f]{8})\b|(?:(?:\b|\B-)\d+(?:\.\d*)?\b|\B\.\d+\b)/i,
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'operator': /\+\+?|[!=<>]=?|&&|\|\||[?:*/%-]/,
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'punctuation': /[{}\[\]();,.]/
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};
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Prism.languages.avs = Prism.languages.avisynth;
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}(Prism));
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