prismjs
Version:
Lightweight, robust, elegant syntax highlighting. A spin-off project from Dabblet.
189 lines (168 loc) • 7.23 kB
JavaScript
// 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 = /clip|int|float|string|bool|val/.source;
var internals = [
// bools
/is(?:bool|clip|float|int|string)|defined|(?:var|(?:internal)?function)?exists?/.source,
// control
/apply|assert|default|eval|import|select|nop|undefined/.source,
// global
/set(?:memorymax|cachemode|maxcpu|workingdir|planarlegacyalignment)|opt_(?:allowfloataudio|usewaveextensible|dwchannelmask|avipadscanlines|vdubplanarhack|enable_(?:v210|y3_10_10|y3_10_16|b64a|planartopackedrgb))/.source,
// conv
/hex(?:value)?|value/.source,
// numeric
/max|min|muldiv|floor|ceil|round|fmod|pi|exp|log(?:10)?|pow|sqrt|abs|sign|frac|rand|spline|continued(?:numerator|denominator)?/.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(?:luma|chroma[uv]|[bgr])|(?:luma|chroma[uv]|rgb|[rgb]|[yuv](?=difference(?:fromprevious|tonext)))difference(?:fromprevious|tonext)?|[yuvrgb]plane(?:median|min|max|minmaxdifference)/.source,
// script
/script(?:name(?:utf8)?|file(?:utf8)?|dir(?:utf8)?)|setlogparams|logmsg|getprocessinfo/.source,
// string
/[lu]case|str(?:toutf8|fromutf8|len|cmpi?)|(?:rev|left|right|mid|find|replace|fill)str|format|trim(?:left|right|all)|chr|ord|time/.source,
// version
/version(?:number|string)|isversionorgreater/.source,
// helper
/buildpixeltype|colorspacenametopixeltype/.source,
// avsplus
/setfiltermtmode|prefetch|addautoloaddir|on(?:cpu|cuda)/.source
].join('|');
var properties = [
// content
/has(?:audio|video)/.source,
// resolution
/width|height/.source,
// framerate
/frame(?:count|rate)|framerate(?:numerator|denominator)/.source,
// interlacing
/is(?:field|frame)based|getparity/.source,
// color format
/pixeltype|is(?:planar(?:rgba?)?|interleaved|rgb(?:24|32|48|64)?|y(?:8|u(?:y2|va?))?|yv(?:12|16|24|411)|420|422|444|packedrgb)|hasalpha|componentsize|numcomponents|bitspercomponent/.source,
// audio
/audio(?:rate|duration|length(?:[fs]|lo|hi)?|channels|bits)|isaudio(?:float|int)/.source
].join('|');
var filters = [
// source
/avi(?:file)?source|opendmlsource|directshowsource|image(?:reader|source|sourceanim)|segmented(?:avisource|directshowsource)|wavsource/.source,
// color
/coloryuv|convertto(?:RGB(?:24|32|48|64)|(?:planar)?RGBA?|Y8?|YV(?:12|16|24|411)|YUVA?(?:444|422|420|411)|YUY2)|convertbacktoyuy2|fixluminance|gr[ae]yscale|invert|levels|limiter|mergea?rgb|merge(?:luma|chroma)|rgbadjust|show(?:red|green|blue|alpha)|swapuv|tweak|[uv]toy8?|ytouv/.source,
// overlay
/(?:colorkey|reset)mask|mask(?:hs)?|layer|merge|overlay|subtract/.source,
// geometry
/addborders|crop(?:bottom)?|flip(?:horizontal|vertical)|letterbox|(?:horizontal|vertical)?reduceby2|(?:bicubic|bilinear|blackman|gauss|lanczos|lanczos4|point|sinc|spline(?:16|36|64))resize|skewrows|turn(?:left|right|180)/.source,
// pixel
/blur|sharpen|generalconvolution|(?:spatial|temporal)soften|fixbrokenchromaupsampling/.source,
// timeline
/trim|(?:un)?alignedsplice|(?:assume|assumescaled|change|convert)FPS|(?:delete|duplicate)frame|dissolve|fade(?:in|out|io)[02]?|freezeframe|interleave|loop|reverse|select(?:even|odd|(?:range)?every)/.source,
// interlace
/assume(?:frame|field)based|assume[bt]ff|bob|complementparity|doubleweave|peculiarblend|pulldown|separate(?:columns|rows|fields)|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|supereq|ssrc|timestretch/.source,
// conditional
/conditional(?:filter|select|reader)|frameevaluate|scriptclip|writefile(?:if|start|end)?|animate|applyrange|tcp(?:server|source)/.source,
// export
/imagewriter/.source,
// debug
/subtitle|blankclip|blackness|colorbars(?:hd)?|compare|dumpfiltergraph|setgraphanalysis|echo|histogram|info|messageclip|preroll|showfiveversions|show(?:framenumber|smpte|time)|stack(?:horizontal|vertical)|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|(?:SCRIPT|MAINSCRIPT|PROGRAM)DIR|(?:USER|MACHINE)_(?:PLUS|CLASSIC)_PLUGINS)\b/
}
}
}
],
// The special "last" variable that takes the value of the last implicitly returned clip
'variable': /\b(?:last)\b/i,
'boolean': /\b(?:true|false|yes|no)\b/i,
'keyword': /\b(?:function|global|return|try|catch|if|else|while|for|__END__)\b/i,
'constant': /\bMT_(?:NICE_FILTER|MULTI_INSTANCE|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));