2023-10-03 11:14:36 +08:00
Prism . languages . metafont = {
// Syntax of METAFONT with the added (public) elements of PlainMETAFONT. Except for internal quantities they are expected to be rarely redefined. Freely inspired by the syntax of Christophe Grandsire for the Crimson Editor.
'comment' : {
pattern : /%.*/ ,
greedy : true
} ,
'string' : {
pattern : /"[^\r\n"]*"/ ,
greedy : true
} ,
'number' : /\d*\.?\d+/ ,
'boolean' : /\b(?:false|true)\b/ ,
'punctuation' : [
/[,;()]/ ,
{
pattern : /(^|[^{}])(?:\{|\})(?![{}])/ ,
lookbehind : true
} ,
{
pattern : /(^|[^[])\[(?!\[)/ ,
lookbehind : true
} ,
{
pattern : /(^|[^\]])\](?!\])/ ,
lookbehind : true
}
] ,
'constant' : [
{
pattern : /(^|[^!?])\?\?\?(?![!?])/ ,
lookbehind : true
} ,
{
pattern : /(^|[^/*\\])(?:\\|\\\\)(?![/*\\])/ ,
lookbehind : true
} ,
/\b(?:_|blankpicture|bp|cc|cm|dd|ditto|down|eps|epsilon|fullcircle|halfcircle|identity|in|infinity|left|mm|nullpen|nullpicture|origin|pc|penrazor|penspeck|pensquare|penstroke|proof|pt|quartercircle|relax|right|smoke|unitpixel|unitsquare|up)\b/
] ,
'quantity' : {
pattern : /\b(?:autorounding|blacker|boundarychar|charcode|chardp|chardx|chardy|charext|charht|charic|charwd|currentwindow|day|designsize|displaying|fillin|fontmaking|granularity|hppp|join_radius|month|o_correction|pausing|pen_(?:bot|lft|rt|top)|pixels_per_inch|proofing|showstopping|smoothing|time|tolerance|tracingcapsules|tracingchoices|tracingcommands|tracingedges|tracingequations|tracingmacros|tracingonline|tracingoutput|tracingpens|tracingrestores|tracingspecs|tracingstats|tracingtitles|turningcheck|vppp|warningcheck|xoffset|year|yoffset)\b/ ,
alias : 'keyword'
} ,
'command' : {
pattern : /\b(?:addto|batchmode|charlist|cull|display|errhelp|errmessage|errorstopmode|everyjob|extensible|fontdimen|headerbyte|inner|interim|let|ligtable|message|newinternal|nonstopmode|numspecial|openwindow|outer|randomseed|save|scrollmode|shipout|show|showdependencies|showstats|showtoken|showvariable|special)\b/ ,
alias : 'builtin'
} ,
'operator' : [
{
pattern : /(^|[^>=<:|])(?:<|<=|=|=:|\|=:|\|=:>|=:\|>|=:\||\|=:\||\|=:\|>|\|=:\|>>|>|>=|:|:=|<>|::|\|\|:)(?![>=<:|])/ ,
lookbehind : true
} ,
{
pattern : /(^|[^+-])(?:\+|\+\+|-{1,3}|\+-\+)(?![+-])/ ,
lookbehind : true
} ,
{
pattern : /(^|[^/*\\])(?:\*|\*\*|\/)(?![/*\\])/ ,
lookbehind : true
} ,
{
pattern : /(^|[^.])(?:\.{2,3})(?!\.)/ ,
lookbehind : true
} ,
{
pattern : /(^|[^@#&$])&(?![@#&$])/ ,
lookbehind : true
} ,
/\b(?:and|not|or)\b/
] ,
'macro' : {
pattern : /\b(?:abs|beginchar|bot|byte|capsule_def|ceiling|change_width|clear_pen_memory|clearit|clearpen|clearxy|counterclockwise|cullit|cutdraw|cutoff|decr|define_blacker_pixels|define_corrected_pixels|define_good_x_pixels|define_good_y_pixels|define_horizontal_corrected_pixels|define_pixels|define_whole_blacker_pixels|define_whole_pixels|define_whole_vertical_blacker_pixels|define_whole_vertical_pixels|dir|direction|directionpoint|div|dotprod|downto|draw|drawdot|endchar|erase|fill|filldraw|fix_units|flex|font_coding_scheme|font_extra_space|font_identifier|font_normal_shrink|font_normal_space|font_normal_stretch|font_quad|font_size|font_slant|font_x_height|gfcorners|gobble|gobbled|good\.(?:bot|lft|rt|top|x|y)|grayfont|hide|hround|imagerules|incr|interact|interpath|intersectionpoint|inverse|italcorr|killtext|labelfont|labels|lft|loggingall|lowres_fix|makegrid|makelabel(?:\.(?:bot|lft|rt|top)(?:\.nodot)?)?|max|min|mod|mode_def|mode_setup|nodisplays|notransforms|numtok|openit|penlabels|penpos|pickup|proofoffset|proofrule|proofrulethickness|range|reflectedabout|rotatedabout|rotatedaround|round|rt|savepen|screenchars|screenrule|screenstrokes|shipit|showit|slantfont|softjoin|solve|stop|superellipse|tensepath|thru|titlefont|top|tracingall|tracingnone|undraw|undrawdot|unfill|unfilldraw|upto|vround)\b/ ,
alias : 'function'
} ,
'builtin' : /\b(?:ASCII|angle|char|cosd|decimal|directiontime|floor|hex|intersectiontimes|jobname|known|length|makepath|makepen|mexp|mlog|normaldeviate|oct|odd|pencircle|penoffset|point|postcontrol|precontrol|reverse|rotated|sind|sqrt|str|subpath|substring|totalweight|turningnumber|uniformdeviate|unknown|xpart|xxpart|xypart|ypart|yxpart|yypart)\b/ ,
'keyword' : /\b(?:also|at|atleast|begingroup|charexists|contour|controls|curl|cycle|def|delimiters|doublepath|dropping|dump|else|elseif|end|enddef|endfor|endgroup|endinput|exitif|exitunless|expandafter|fi|for|forever|forsuffixes|from|if|input|inwindow|keeping|kern|of|primarydef|quote|readstring|scaled|scantokens|secondarydef|shifted|skipto|slanted|step|tension|tertiarydef|to|transformed|until|vardef|withpen|withweight|xscaled|yscaled|zscaled)\b/ ,
'type' : {
pattern : /\b(?:boolean|expr|numeric|pair|path|pen|picture|primary|secondary|string|suffix|tertiary|text|transform)\b/ ,
alias : 'property'
} ,
'variable' : {
pattern : /(^|[^@#&$])(?:@#|#@|#|@)(?![@#&$])|\b(?:aspect_ratio|currentpen|currentpicture|currenttransform|d|extra_beginchar|extra_endchar|extra_setup|h|localfont|mag|mode|screen_cols|screen_rows|w|whatever|x|y|z)\b/ ,
lookbehind : true
}
} ;