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/**
* Original by Samuel Flores
*
* Adds the following new token classes:
* constant, builtin, variable, symbol, regex
*/
(function (Prism) {
Prism.languages.ruby = Prism.languages.extend('clike', {
comment: {
pattern: /#.*|^=begin\s[\s\S]*?^=end/m,
greedy: true,
},
'class-name': {
pattern:
/(\b(?:class|module)\s+|\bcatch\s+\()[\w.\\]+|\b[A-Z_]\w*(?=\s*\.\s*new\b)/,
lookbehind: true,
inside: {
punctuation: /[.\\]/,
},
},
keyword:
/\b(?:BEGIN|END|alias|and|begin|break|case|class|def|define_method|defined|do|each|else|elsif|end|ensure|extend|for|if|in|include|module|new|next|nil|not|or|prepend|private|protected|public|raise|redo|require|rescue|retry|return|self|super|then|throw|undef|unless|until|when|while|yield)\b/,
operator:
/\.{2,3}|&\.|===|<?=>|[!=]?~|(?:&&|\|\||<<|>>|\*\*|[+\-*/%<>!^&|=])=?|[?:]/,
punctuation: /[(){}[\].,;]/,
});
Prism.languages.insertBefore('ruby', 'operator', {
'double-colon': {
pattern: /::/,
alias: 'punctuation',
},
});
var interpolation = {
pattern: /((?:^|[^\\])(?:\\{2})*)#\{(?:[^{}]|\{[^{}]*\})*\}/,
lookbehind: true,
inside: {
content: {
pattern: /^(#\{)[\s\S]+(?=\}$)/,
lookbehind: true,
inside: Prism.languages.ruby,
},
delimiter: {
pattern: /^#\{|\}$/,
alias: 'punctuation',
},
},
};
delete Prism.languages.ruby.function;
var percentExpression =
'(?:' +
[
/([^a-zA-Z0-9\s{(\[<=])(?:(?!\1)[^\\]|\\[\s\S])*\1/.source,
/\((?:[^()\\]|\\[\s\S]|\((?:[^()\\]|\\[\s\S])*\))*\)/.source,
/\{(?:[^{}\\]|\\[\s\S]|\{(?:[^{}\\]|\\[\s\S])*\})*\}/.source,
/\[(?:[^\[\]\\]|\\[\s\S]|\[(?:[^\[\]\\]|\\[\s\S])*\])*\]/.source,
/<(?:[^<>\\]|\\[\s\S]|<(?:[^<>\\]|\\[\s\S])*>)*>/.source,
].join('|') +
')';
var symbolName =
/(?:"(?:\\.|[^"\\\r\n])*"|(?:\b[a-zA-Z_]\w*|[^\s\0-\x7F]+)[?!]?|\$.)/
.source;
Prism.languages.insertBefore('ruby', 'keyword', {
'regex-literal': [
{
pattern: RegExp(
/%r/.source + percentExpression + /[egimnosux]{0,6}/.source
),
greedy: true,
inside: {
interpolation: interpolation,
regex: /[\s\S]+/,
},
},
{
pattern:
/(^|[^/])\/(?!\/)(?:\[[^\r\n\]]+\]|\\.|[^[/\\\r\n])+\/[egimnosux]{0,6}(?=\s*(?:$|[\r\n,.;})#]))/,
lookbehind: true,
greedy: true,
inside: {
interpolation: interpolation,
regex: /[\s\S]+/,
},
},
],
variable: /[@$]+[a-zA-Z_]\w*(?:[?!]|\b)/,
symbol: [
{
pattern: RegExp(/(^|[^:]):/.source + symbolName),
lookbehind: true,
greedy: true,
},
{
pattern: RegExp(
/([\r\n{(,][ \t]*)/.source + symbolName + /(?=:(?!:))/.source
),
lookbehind: true,
greedy: true,
},
],
'method-definition': {
pattern: /(\bdef\s+)\w+(?:\s*\.\s*\w+)?/,
lookbehind: true,
inside: {
function: /\b\w+$/,
keyword: /^self\b/,
'class-name': /^\w+/,
punctuation: /\./,
},
},
});
Prism.languages.insertBefore('ruby', 'string', {
'string-literal': [
{
pattern: RegExp(/%[qQiIwWs]?/.source + percentExpression),
greedy: true,
inside: {
interpolation: interpolation,
string: /[\s\S]+/,
},
},
{
pattern:
/("|')(?:#\{[^}]+\}|#(?!\{)|\\(?:\r\n|[\s\S])|(?!\1)[^\\#\r\n])*\1/,
greedy: true,
inside: {
interpolation: interpolation,
string: /[\s\S]+/,
},
},
{
pattern: /<<[-~]?([a-z_]\w*)[\r\n](?:.*[\r\n])*?[\t ]*\1/i,
alias: 'heredoc-string',
greedy: true,
inside: {
delimiter: {
pattern: /^<<[-~]?[a-z_]\w*|\b[a-z_]\w*$/i,
inside: {
symbol: /\b\w+/,
punctuation: /^<<[-~]?/,
},
},
interpolation: interpolation,
string: /[\s\S]+/,
},
},
{
pattern: /<<[-~]?'([a-z_]\w*)'[\r\n](?:.*[\r\n])*?[\t ]*\1/i,
alias: 'heredoc-string',
greedy: true,
inside: {
delimiter: {
pattern: /^<<[-~]?'[a-z_]\w*'|\b[a-z_]\w*$/i,
inside: {
symbol: /\b\w+/,
punctuation: /^<<[-~]?'|'$/,
},
},
string: /[\s\S]+/,
},
},
],
'command-literal': [
{
pattern: RegExp(/%x/.source + percentExpression),
greedy: true,
inside: {
interpolation: interpolation,
command: {
pattern: /[\s\S]+/,
alias: 'string',
},
},
},
{
pattern: /`(?:#\{[^}]+\}|#(?!\{)|\\(?:\r\n|[\s\S])|[^\\`#\r\n])*`/,
greedy: true,
inside: {
interpolation: interpolation,
command: {
pattern: /[\s\S]+/,
alias: 'string',
},
},
},
],
});
delete Prism.languages.ruby.string;
Prism.languages.insertBefore('ruby', 'number', {
builtin:
/\b(?:Array|Bignum|Binding|Class|Continuation|Dir|Exception|FalseClass|File|Fixnum|Float|Hash|IO|Integer|MatchData|Method|Module|NilClass|Numeric|Object|Proc|Range|Regexp|Stat|String|Struct|Symbol|TMS|Thread|ThreadGroup|Time|TrueClass)\b/,
constant: /\b[A-Z][A-Z0-9_]*(?:[?!]|\b)/,
});
Prism.languages.rb = Prism.languages.ruby;
})(Prism);
|
