How to use beginKeywords method in Playwright Internal

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aspectj.min.js

Source: aspectj.min.js Github

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1hljs.registerLanguage("aspectj",(()=>{"use strict";function e(...e){
2return e.map((e=>{return(n=e)?"string"==typeof n?n:n.source:null;var n
3})).join("")}return n=>{
4const t=["false","synchronized","int","abstract","float","private","char","boolean","static","null","if","const","for","true","while","long","throw","strictfp","finally","protected","import","native","final","return","void","enum","else","extends","implements","break","transient","new","catch","instanceof","byte","super","volatile","case","assert","short","package","default","double","public","try","this","switch","continue","throws","privileged","aspectOf","adviceexecution","proceed","cflowbelow","cflow","initialization","preinitialization","staticinitialization","withincode","target","within","execution","getWithinTypeName","handler","thisJoinPoint","thisJoinPointStaticPart","thisEnclosingJoinPointStaticPart","declare","parents","warning","error","soft","precedence","thisAspectInstance"],i=["get","set","args","call"]
5;return{name:"AspectJ",keywords:t,illegal:/<\/|#/,
6contains:[n.COMMENT(/\/\*\*/,/\*\//,{relevance:0,contains:[{begin:/\[email protected]/,
7relevance:0},{className:"doctag",begin:/@[A-Za-z]+/}]
8}),n.C_LINE_COMMENT_MODE,n.C_BLOCK_COMMENT_MODE,n.APOS_STRING_MODE,n.QUOTE_STRING_MODE,{
9className:"class",beginKeywords:"aspect",end:/[{;=]/,excludeEnd:!0,
10illegal:/[:;"\[\]]/,contains:[{
11beginKeywords:"extends implements pertypewithin perthis pertarget percflowbelow percflow issingleton"
12},n.UNDERSCORE_TITLE_MODE,{begin:/\([^\)]*/,end:/[)]+/,keywords:t.concat(i),
13excludeEnd:!1}]},{className:"class",beginKeywords:"class interface",end:/[{;=]/,
14excludeEnd:!0,relevance:0,keywords:"class interface",illegal:/[:"\[\]]/,
15contains:[{beginKeywords:"extends implements"},n.UNDERSCORE_TITLE_MODE]},{
16beginKeywords:"pointcut after before around throwing returning",end:/[)]/,
17excludeEnd:!1,illegal:/["\[\]]/,contains:[{
18begin:e(n.UNDERSCORE_IDENT_RE,/\s*\(/),returnBegin:!0,
19contains:[n.UNDERSCORE_TITLE_MODE]}]},{begin:/[:]/,returnBegin:!0,end:/[{;]/,
20relevance:0,excludeEnd:!1,keywords:t,illegal:/["\[\]]/,contains:[{
21begin:e(n.UNDERSCORE_IDENT_RE,/\s*\(/),keywords:t.concat(i),relevance:0
22},n.QUOTE_STRING_MODE]},{beginKeywords:"new throw",relevance:0},{
23className:"function",
24begin:/\w+ +\w+(\.\w+)?\s*\([^\)]*\)\s*((throws)[\w\s,]+)?[\{;]/,returnBegin:!0,
25end:/[{;=]/,keywords:t,excludeEnd:!0,contains:[{
26begin:e(n.UNDERSCORE_IDENT_RE,/\s*\(/),returnBegin:!0,relevance:0,
27contains:[n.UNDERSCORE_TITLE_MODE]},{className:"params",begin:/\(/,end:/\)/,
28relevance:0,keywords:t,
29contains:[n.APOS_STRING_MODE,n.QUOTE_STRING_MODE,n.C_NUMBER_MODE,n.C_BLOCK_COMMENT_MODE]
30},n.C_LINE_COMMENT_MODE,n.C_BLOCK_COMMENT_MODE]},n.C_NUMBER_MODE,{
31className:"meta",begin:/@[A-Za-z]+/}]}}})());
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compiler_extensions.js

Source: compiler_extensions.js Github

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1import * as regex from './regex.js';
2
3// Grammar extensions / plugins
4// See: https://github.com/highlightjs/highlight.js/issues/2833
5
6// Grammar extensions allow "syntactic sugar" to be added to the grammar modes
7// without requiring any underlying changes to the compiler internals.
8
9// `compileMatch` being the perfect small example of now allowing a grammar
10// author to write `match` when they desire to match a single expression rather
11// than being forced to use `begin`.  The extension then just moves `match` into
12// `begin` when it runs.  Ie, no features have been added, but we've just made
13// the experience of writing (and reading grammars) a little bit nicer.
14
15// ------
16
17// TODO: We need negative look-behind support to do this properly
18/**
19 * Skip a match if it has a preceding dot
20 *
21 * This is used for `beginKeywords` to prevent matching expressions such as
22 * `bob.keyword.do()`. The mode compiler automatically wires this up as a
23 * special _internal_ 'on:begin' callback for modes with `beginKeywords`
24 * @param {RegExpMatchArray} match
25 * @param {CallbackResponse} response
26 */
27function skipIfhasPrecedingDot(match, response) {
28  const before = match.input[match.index - 1];
29  if (before === ".") {
30    response.ignoreMatch();
31  }
32}
33
34
35/**
36 * `beginKeywords` syntactic sugar
37 * @type {CompilerExt}
38 */
39export function beginKeywords(mode, parent) {
40  if (!parent) return;
41  if (!mode.beginKeywords) return;
42
43  // for languages with keywords that include non-word characters checking for
44  // a word boundary is not sufficient, so instead we check for a word boundary
45  // or whitespace - this does no harm in any case since our keyword engine
46  // doesn't allow spaces in keywords anyways and we still check for the boundary
47  // first
48  mode.begin = '\\b(' + mode.beginKeywords.split(' ').join('|') + ')(?!\\.)(?=\\b|\\s)';
49  mode.__beforeBegin = skipIfhasPrecedingDot;
50  mode.keywords = mode.keywords || mode.beginKeywords;
51  delete mode.beginKeywords;
52}
53
54/**
55 * Allow `illegal` to contain an array of illegal values
56 * @type {CompilerExt}
57 */
58export function compileIllegal(mode, _parent) {
59  if (!Array.isArray(mode.illegal)) return;
60
61  mode.illegal = regex.either(...mode.illegal);
62}
63
64/**
65 * `match` to match a single expression for readability
66 * @type {CompilerExt}
67 */
68export function compileMatch(mode, _parent) {
69  if (!mode.match) return;
70  if (mode.begin || mode.end) throw new Error("begin & end are not supported with match");
71
72  mode.begin = mode.match;
73  delete mode.match;
74}
75
76/**
77 * provides the default 1 relevance to all modes
78 * @type {CompilerExt}
79 */
80export function compileRelevance(mode, _parent) {
81  // eslint-disable-next-line no-undefined
82  if (mode.relevance === undefined) mode.relevance = 1;
83}
84
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csharp.min.js

Source: csharp.min.js Github

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1hljs.registerLanguage("csharp",(()=>{"use strict";return e=>{const n={
2keyword:["abstract","as","base","break","case","class","const","continue","do","else","event","explicit","extern","finally","fixed","for","foreach","goto","if","implicit","in","interface","internal","is","lock","namespace","new","operator","out","override","params","private","protected","public","readonly","record","ref","return","sealed","sizeof","stackalloc","static","struct","switch","this","throw","try","typeof","unchecked","unsafe","using","virtual","void","volatile","while"].concat(["add","alias","and","ascending","async","await","by","descending","equals","from","get","global","group","init","into","join","let","nameof","not","notnull","on","or","orderby","partial","remove","select","set","unmanaged","value|0","var","when","where","with","yield"]),
3built_in:["bool","byte","char","decimal","delegate","double","dynamic","enum","float","int","long","nint","nuint","object","sbyte","short","string","ulong","uint","ushort"],
4literal:["default","false","null","true"]},i=e.inherit(e.TITLE_MODE,{
5begin:"[a-zA-Z](\\.?\\w)*"}),a={className:"number",variants:[{
6begin:"\\b(0b[01']+)"},{
7begin:"(-?)\\b([\\d']+(\\.[\\d']*)?|\\.[\\d']+)(u|U|l|L|ul|UL|f|F|b|B)"},{
8begin:"(-?)(\\b0[xX][a-fA-F0-9']+|(\\b[\\d']+(\\.[\\d']*)?|\\.[\\d']+)([eE][-+]?[\\d']+)?)"
9}],relevance:0},s={className:"string",begin:'@"',end:'"',contains:[{begin:'""'}]
10},t=e.inherit(s,{illegal:/\n/}),r={className:"subst",begin:/\{/,end:/\}/,
11keywords:n},l=e.inherit(r,{illegal:/\n/}),c={className:"string",begin:/\$"/,
12end:'"',illegal:/\n/,contains:[{begin:/\{\{/},{begin:/\}\}/
13},e.BACKSLASH_ESCAPE,l]},o={className:"string",begin:/\[email protected]"/,end:'"',contains:[{
14begin:/\{\{/},{begin:/\}\}/},{begin:'""'},r]},d=e.inherit(o,{illegal:/\n/,
15contains:[{begin:/\{\{/},{begin:/\}\}/},{begin:'""'},l]})
16;r.contains=[o,c,s,e.APOS_STRING_MODE,e.QUOTE_STRING_MODE,a,e.C_BLOCK_COMMENT_MODE],
17l.contains=[d,c,t,e.APOS_STRING_MODE,e.QUOTE_STRING_MODE,a,e.inherit(e.C_BLOCK_COMMENT_MODE,{
18illegal:/\n/})];const g={variants:[o,c,s,e.APOS_STRING_MODE,e.QUOTE_STRING_MODE]
19},E={begin:"<",end:">",contains:[{beginKeywords:"in out"},i]
20},_=e.IDENT_RE+"(<"+e.IDENT_RE+"(\\s*,\\s*"+e.IDENT_RE+")*>)?(\\[\\])?",b={
21begin:"@"+e.IDENT_RE,relevance:0};return{name:"C#",aliases:["cs","c#"],
22keywords:n,illegal:/::/,contains:[e.COMMENT("///","$",{returnBegin:!0,
23contains:[{className:"doctag",variants:[{begin:"///",relevance:0},{
24begin:"\x3c!--|--\x3e"},{begin:"</?",end:">"}]}]
25}),e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE,{className:"meta",begin:"#",
26end:"$",keywords:{
27keyword:"if else elif endif define undef warning error line region endregion pragma checksum"
28}},g,a,{beginKeywords:"class interface",relevance:0,end:/[{;=]/,
29illegal:/[^\s:,]/,contains:[{beginKeywords:"where class"
30},i,E,e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},{beginKeywords:"namespace",
31relevance:0,end:/[{;=]/,illegal:/[^\s:]/,
32contains:[i,e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},{
33beginKeywords:"record",relevance:0,end:/[{;=]/,illegal:/[^\s:]/,
34contains:[i,E,e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},{className:"meta",
35begin:"^\\s*\\[(?=[\\w])",excludeBegin:!0,end:"\\]",excludeEnd:!0,contains:[{
36className:"string",begin:/"/,end:/"/}]},{
37beginKeywords:"new return throw await else",relevance:0},{className:"function",
38begin:"("+_+"\\s+)+"+e.IDENT_RE+"\\s*(<.+>\\s*)?\\(",returnBegin:!0,
39end:/\s*[{;=]/,excludeEnd:!0,keywords:n,contains:[{
40beginKeywords:"public private protected static internal protected abstract async extern override unsafe virtual new sealed partial",
41relevance:0},{begin:e.IDENT_RE+"\\s*(<.+>\\s*)?\\(",returnBegin:!0,
42contains:[e.TITLE_MODE,E],relevance:0},{className:"params",begin:/\(/,end:/\)/,
43excludeBegin:!0,excludeEnd:!0,keywords:n,relevance:0,
44contains:[g,a,e.C_BLOCK_COMMENT_MODE]
45},e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},b]}}})());
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