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Added support for Web IDL (#3107)
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RunDevelopment committed Oct 11, 2021
1 parent 3b2238f commit ef53f0214c3f9a027030bb6e148339ec6e5c3d4e

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@@ -1424,6 +1424,11 @@
"title": "WebAssembly",
"owner": "Golmote"
},
"web-idl": {
"title": "Web IDL",
"alias": "webidl",
"owner": "RunDevelopment"
},
"wiki": {
"title": "Wiki markup",
"require": "markup",
@@ -0,0 +1,101 @@
(function (Prism) {

var id = /(?:\B-|\b_|\b)[A-Za-z][\w-]*(?![\w-])/.source;
var type =
'(?:' +
/\b(?:unsigned\s+)?long\s+long(?![\w-])/.source +
'|' +
/\b(?:unrestricted|unsigned)\s+[a-z]+(?![\w-])/.source +
'|' +
/(?!(?:unrestricted|unsigned)\b)/.source + id + /(?:\s*<(?:[^<>]|<[^<>]*>)*>)?/.source +
')' + /(?:\s*\?)?/.source;

var typeInside = {};

Prism.languages['web-idl'] = {
'comment': {
pattern: /\/\/.*|\/\*[\s\S]*?\*\//,
greedy: true
},
'string': {
pattern: /"[^"]*"/,
greedy: true
},

'namespace': {
pattern: RegExp(/(\bnamespace\s+)/.source + id),
lookbehind: true,
},
'class-name': [
{
pattern: /(^|[^\w-])(?:iterable|maplike|setlike)\s*<(?:[^<>]|<[^<>]*>)*>/,
lookbehind: true,
inside: typeInside
},
{
pattern: RegExp(/(\b(?:attribute|const|deleter|getter|optional|setter)\s+)/.source + type),
lookbehind: true,
inside: typeInside
},
{
// callback return type
pattern: RegExp('(' + /\bcallback\s+/.source + id + /\s*=\s*/.source + ')' + type),
lookbehind: true,
inside: typeInside
},
{
// typedef
pattern: RegExp(/(\btypedef\b\s*)/.source + type),
lookbehind: true,
inside: typeInside
},

{
pattern: RegExp(/(\b(?:callback|dictionary|enum|interface(?:\s+mixin)?)\s+)(?!(?:interface|mixin)\b)/.source + id),
lookbehind: true,
},
{
// inheritance
pattern: RegExp(/(:\s*)/.source + id),
lookbehind: true,
},

// includes and implements
RegExp(id + /(?=\s+(?:implements|includes)\b)/.source),
{
pattern: RegExp(/(\b(?:implements|includes)\s+)/.source + id),
lookbehind: true,
},

{
// function return type, parameter types, and dictionary members
pattern: RegExp(type + '(?=' + /\s*(?:\.{3}\s*)?/.source + id + /\s*[(),;=]/.source + ')'),
inside: typeInside
},
],

'builtin': /\b(?:ArrayBuffer|BigInt64Array|BigUint64Array|ByteString|DOMString|DataView|Float32Array|Float64Array|FrozenArray|Int16Array|Int32Array|Int8Array|ObservableArray|Promise|USVString|Uint16Array|Uint32Array|Uint8Array|Uint8ClampedArray)\b/,
'keyword': [
/\b(?:async|attribute|callback|const|constructor|deleter|dictionary|enum|getter|implements|includes|inherit|interface|mixin|namespace|null|optional|or|partial|readonly|required|setter|static|stringifier|typedef|unrestricted)\b/,
// type keywords
/\b(?:any|bigint|boolean|byte|double|float|iterable|long|maplike|object|octet|record|sequence|setlike|short|symbol|undefined|unsigned|void)\b/
],
'boolean': /\b(?:false|true)\b/,

'number': {
pattern: /(^|[^\w-])-?(?:0x[0-9a-f]+|(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?|NaN|Infinity)(?![\w-])/i,
lookbehind: true
},
'operator': /\.{3}|[=:?<>-]/,
'punctuation': /[(){}[\].,;]/
};

for (var key in Prism.languages['web-idl']) {
if (key !== 'class-name') {
typeInside[key] = Prism.languages['web-idl'][key];
}
}

Prism.languages['webidl'] = Prism.languages['web-idl'];

}(Prism));

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@@ -0,0 +1,28 @@
<h2>Full example</h2>
<pre><code>[Exposed=Window]
interface Paint { };

[Exposed=Window]
interface SolidColor : Paint {
attribute double red;
attribute double green;
attribute double blue;
};

[Exposed=Window]
interface Pattern : Paint {
attribute DOMString imageURL;
};

[Exposed=Window]
interface GraphicalWindow {
constructor();
readonly attribute unsigned long width;
readonly attribute unsigned long height;

attribute Paint currentPaint;

undefined drawRectangle(double x, double y, double width, double height);

undefined drawText(double x, double y, DOMString text);
};</code></pre>
@@ -250,6 +250,7 @@
"url": "uri",
"vb": "visual-basic",
"vba": "visual-basic",
"webidl": "web-idl",
"mathematica": "wolfram",
"nb": "wolfram",
"wl": "wolfram",

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@@ -246,6 +246,8 @@
"vba": "VBA",
"vb": "Visual Basic",
"wasm": "WebAssembly",
"web-idl": "Web IDL",
"webidl": "Web IDL",
"wiki": "Wiki markup",
"wolfram": "Wolfram language",
"nb": "Mathematica Notebook",

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