171 lines
3.6 KiB
JavaScript
171 lines
3.6 KiB
JavaScript
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(function (Prism) {
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var expressionDef = /\{[^\r\n\[\]{}]*\}/;
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var params = {
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'quoted-string': {
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pattern: /"(?:[^"\\]|\\.)*"/,
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alias: 'operator'
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},
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'command-param-id': {
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pattern: /(\s)\w+:/,
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lookbehind: true,
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alias: 'property'
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},
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'command-param-value': [
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{
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pattern: expressionDef,
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alias: 'selector',
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},
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{
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pattern: /([\t ])\S+/,
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lookbehind: true,
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greedy: true,
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alias: 'operator',
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},
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{
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pattern: /\S(?:.*\S)?/,
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alias: 'operator',
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}
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]
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};
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Prism.languages.naniscript = {
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// ; ...
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'comment': {
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pattern: /^([\t ]*);.*/m,
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lookbehind: true,
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},
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// > ...
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// Define is a control line starting with '>' followed by a word, a space and a text.
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'define': {
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pattern: /^>.+/m,
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alias: 'tag',
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inside: {
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'value': {
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pattern: /(^>\w+[\t ]+)(?!\s)[^{}\r\n]+/,
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lookbehind: true,
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alias: 'operator'
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},
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'key': {
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pattern: /(^>)\w+/,
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lookbehind: true,
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}
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}
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},
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// # ...
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'label': {
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pattern: /^([\t ]*)#[\t ]*\w+[\t ]*$/m,
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lookbehind: true,
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alias: 'regex'
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},
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'command': {
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pattern: /^([\t ]*)@\w+(?=[\t ]|$).*/m,
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lookbehind: true,
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alias: 'function',
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inside: {
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'command-name': /^@\w+/,
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'expression': {
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pattern: expressionDef,
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greedy: true,
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alias: 'selector'
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},
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'command-params': {
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pattern: /\s*\S[\s\S]*/,
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inside: params
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},
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}
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},
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// Generic is any line that doesn't start with operators: ;>#@
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'generic-text': {
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pattern: /(^[ \t]*)[^#@>;\s].*/m,
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lookbehind: true,
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alias: 'punctuation',
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inside: {
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// \{ ... \} ... \[ ... \] ... \"
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'escaped-char': /\\[{}\[\]"]/,
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'expression': {
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pattern: expressionDef,
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greedy: true,
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alias: 'selector'
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},
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'inline-command': {
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pattern: /\[[\t ]*\w[^\r\n\[\]]*\]/,
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greedy: true,
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alias: 'function',
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inside: {
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'command-params': {
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pattern: /(^\[[\t ]*\w+\b)[\s\S]+(?=\]$)/,
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lookbehind: true,
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inside: params
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},
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'command-param-name': {
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pattern: /^(\[[\t ]*)\w+/,
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lookbehind: true,
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alias: 'name',
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},
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'start-stop-char': /[\[\]]/,
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}
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},
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}
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}
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};
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Prism.languages.nani = Prism.languages['naniscript'];
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/** @typedef {InstanceType<import("./prism-core")["Token"]>} Token */
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/**
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* This hook is used to validate generic-text tokens for balanced brackets.
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* Mark token as bad-line when contains not balanced brackets: {},[]
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*/
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Prism.hooks.add('after-tokenize', function (env) {
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/** @type {(Token | string)[]} */
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var tokens = env.tokens;
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tokens.forEach(function (token) {
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if (typeof token !== 'string' && token.type === 'generic-text') {
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var content = getTextContent(token);
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if (!isBracketsBalanced(content)) {
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token.type = 'bad-line';
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token.content = content;
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}
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}
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});
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});
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/**
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* @param {string} input
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* @returns {boolean}
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*/
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function isBracketsBalanced(input) {
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var brackets = '[]{}';
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var stack = [];
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for (var i = 0; i < input.length; i++) {
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var bracket = input[i];
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var bracketsIndex = brackets.indexOf(bracket);
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if (bracketsIndex !== -1) {
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if (bracketsIndex % 2 === 0) {
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stack.push(bracketsIndex + 1);
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} else if (stack.pop() !== bracketsIndex) {
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return false;
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}
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}
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}
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return stack.length === 0;
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}
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/**
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* @param {string | Token | (string | Token)[]} token
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* @returns {string}
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*/
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function getTextContent(token) {
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if (typeof token === 'string') {
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return token;
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} else if (Array.isArray(token)) {
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return token.map(getTextContent).join('');
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} else {
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return getTextContent(token.content);
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}
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}
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}(Prism));
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