| 1 | // http://avisynth.nl/index.php/The_full_AviSynth_grammar
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| 2 | (function (Prism) {
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| 3 |
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| 4 | function replace(pattern, replacements) {
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| 5 | return pattern.replace(/<<(\d+)>>/g, function (m, index) {
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| 6 | return replacements[+index];
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| 7 | });
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| 8 | }
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| 9 |
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| 10 | function re(pattern, replacements, flags) {
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| 11 | return RegExp(replace(pattern, replacements), flags || '');
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| 12 | }
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| 13 |
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| 14 | var types = /bool|clip|float|int|string|val/.source;
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| 15 | var internals = [
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| 16 | // bools
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| 17 | /is(?:bool|clip|float|int|string)|defined|(?:(?:internal)?function|var)?exists?/.source,
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| 18 | // control
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| 19 | /apply|assert|default|eval|import|nop|select|undefined/.source,
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| 20 | // global
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| 21 | /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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| 22 | // conv
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| 23 | /hex(?:value)?|value/.source,
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| 24 | // numeric
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| 25 | /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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| 26 | // trig
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| 27 | /a?sinh?|a?cosh?|a?tan[2h]?/.source,
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| 28 | // bit
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| 29 | /(?: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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| 30 | // runtime
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| 31 | /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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| 32 | // script
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| 33 | /getprocessinfo|logmsg|script(?:dir(?:utf8)?|file(?:utf8)?|name(?:utf8)?)|setlogparams/.source,
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| 34 | // string
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| 35 | /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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| 36 | // version
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| 37 | /isversionorgreater|version(?:number|string)/.source,
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| 38 | // helper
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| 39 | /buildpixeltype|colorspacenametopixeltype/.source,
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| 40 | // avsplus
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| 41 | /addautoloaddir|on(?:cpu|cuda)|prefetch|setfiltermtmode/.source
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| 42 | ].join('|');
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| 43 | var properties = [
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| 44 | // content
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| 45 | /has(?:audio|video)/.source,
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| 46 | // resolution
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| 47 | /height|width/.source,
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| 48 | // framerate
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| 49 | /frame(?:count|rate)|framerate(?:denominator|numerator)/.source,
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| 50 | // interlacing
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| 51 | /getparity|is(?:field|frame)based/.source,
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| 52 | // color format
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| 53 | /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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| 54 | // audio
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| 55 | /audio(?:bits|channels|duration|length(?:[fs]|hi|lo)?|rate)|isaudio(?:float|int)/.source
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| 56 | ].join('|');
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| 57 | var filters = [
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| 58 | // source
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| 59 | /avi(?:file)?source|directshowsource|image(?:reader|source|sourceanim)|opendmlsource|segmented(?:avisource|directshowsource)|wavsource/.source,
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| 60 | // color
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| 61 | /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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| 62 | // overlay
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| 63 | /(?:colorkey|reset)mask|layer|mask(?:hs)?|merge|overlay|subtract/.source,
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| 64 | // geometry
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| 65 | /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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| 66 | // pixel
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| 67 | /blur|fixbrokenchromaupsampling|generalconvolution|(?:spatial|temporal)soften|sharpen/.source,
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| 68 | // timeline
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| 69 | /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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| 70 | // interlace
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| 71 | /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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| 72 | // audio
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| 73 | /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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| 74 | // conditional
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| 75 | /animate|applyrange|conditional(?:filter|reader|select)|frameevaluate|scriptclip|tcp(?:server|source)|writefile(?:end|if|start)?/.source,
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| 76 | // export
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| 77 | /imagewriter/.source,
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| 78 | // debug
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| 79 | /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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| 80 | ].join('|');
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| 81 | var allinternals = [internals, properties, filters].join('|');
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| 82 |
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| 83 | Prism.languages.avisynth = {
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| 84 | 'comment': [
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| 85 | {
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| 86 | // Matches [* *] nestable block comments, but only supports 1 level of nested comments
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| 87 | // /\[\*(?:[^\[*]|\[(?!\*)|\*(?!\])|<self>)*\*\]/
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| 88 | pattern: /(^|[^\\])\[\*(?:[^\[*]|\[(?!\*)|\*(?!\])|\[\*(?:[^\[*]|\[(?!\*)|\*(?!\]))*\*\])*\*\]/,
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| 89 | lookbehind: true,
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| 90 | greedy: true
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| 91 | },
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| 92 | {
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| 93 | // Matches /* */ block comments
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| 94 | pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
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| 95 | lookbehind: true,
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| 96 | greedy: true
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| 97 | },
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| 98 | {
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| 99 | // Matches # comments
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| 100 | pattern: /(^|[^\\$])#.*/,
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| 101 | lookbehind: true,
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| 102 | greedy: true
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| 103 | }
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| 104 | ],
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| 105 |
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| 106 | // Handle before strings because optional arguments are surrounded by double quotes
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| 107 | 'argument': {
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| 108 | pattern: re(/\b(?:<<0>>)\s+("?)\w+\1/.source, [types], 'i'),
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| 109 | inside: {
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| 110 | 'keyword': /^\w+/
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| 111 | }
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| 112 | },
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| 113 |
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| 114 | // Optional argument assignment
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| 115 | 'argument-label': {
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| 116 | pattern: /([,(][\s\\]*)\w+\s*=(?!=)/,
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| 117 | lookbehind: true,
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| 118 | inside: {
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| 119 | 'argument-name': {
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| 120 | pattern: /^\w+/,
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| 121 | alias: 'punctuation'
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| 122 | },
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| 123 | 'punctuation': /=$/
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| 124 | }
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| 125 | },
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| 126 |
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| 127 | 'string': [
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| 128 | {
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| 129 | // triple double-quoted
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| 130 | pattern: /"""[\s\S]*?"""/,
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| 131 | greedy: true,
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| 132 | },
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| 133 | {
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| 134 | // single double-quoted
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| 135 | pattern: /"(?:\\(?:\r\n|[\s\S])|[^"\\\r\n])*"/,
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| 136 | greedy: true,
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| 137 | inside: {
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| 138 | 'constant': {
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| 139 | // These *are* case-sensitive!
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| 140 | pattern: /\b(?:DEFAULT_MT_MODE|(?:MAINSCRIPT|PROGRAM|SCRIPT)DIR|(?:MACHINE|USER)_(?:CLASSIC|PLUS)_PLUGINS)\b/
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| 141 | }
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| 142 | }
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| 143 | }
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| 144 | ],
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| 145 |
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| 146 | // The special "last" variable that takes the value of the last implicitly returned clip
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| 147 | 'variable': /\b(?:last)\b/i,
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| 148 |
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| 149 | 'boolean': /\b(?:false|no|true|yes)\b/i,
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| 150 |
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| 151 | 'keyword': /\b(?:catch|else|for|function|global|if|return|try|while|__END__)\b/i,
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| 152 |
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| 153 | 'constant': /\bMT_(?:MULTI_INSTANCE|NICE_FILTER|SERIALIZED|SPECIAL_MT)\b/,
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| 154 |
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| 155 | // AviSynth's internal functions, filters, and properties
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| 156 | 'builtin-function': {
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| 157 | pattern: re(/\b(?:<<0>>)\b/.source, [allinternals], 'i'),
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| 158 | alias: 'function'
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| 159 | },
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| 160 |
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| 161 | 'type-cast': {
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| 162 | pattern: re(/\b(?:<<0>>)(?=\s*\()/.source, [types], 'i'),
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| 163 | alias: 'keyword'
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| 164 | },
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| 165 |
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| 166 | // External/user-defined filters
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| 167 | 'function': {
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| 168 | pattern: /\b[a-z_]\w*(?=\s*\()|(\.)[a-z_]\w*\b/i,
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| 169 | lookbehind: true
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| 170 | },
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| 171 |
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| 172 | // Matches a \ as the first or last character on a line
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| 173 | 'line-continuation': {
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| 174 | pattern: /(^[ \t]*)\\|\\(?=[ \t]*$)/m,
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| 175 | lookbehind: true,
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| 176 | alias: 'punctuation'
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| 177 | },
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| 178 |
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| 179 | 'number': /\B\$(?:[\da-f]{6}|[\da-f]{8})\b|(?:(?:\b|\B-)\d+(?:\.\d*)?\b|\B\.\d+\b)/i,
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| 180 |
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| 181 | 'operator': /\+\+?|[!=<>]=?|&&|\|\||[?:*/%-]/,
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| 182 |
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| 183 | 'punctuation': /[{}\[\]();,.]/
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| 184 | };
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| 185 |
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| 186 | Prism.languages.avs = Prism.languages.avisynth;
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| 187 |
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| 188 | }(Prism));
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