hexo/node_modules/highlight.js/lib/languages/qml.js

190 lines
5.6 KiB
JavaScript

/*
Language: QML
Requires: javascript.js, xml.js
Author: John Foster <jfoster@esri.com>
Description: Syntax highlighting for the Qt Quick QML scripting language, based mostly off
the JavaScript parser.
Website: https://doc.qt.io/qt-5/qmlapplications.html
Category: scripting
*/
function qml(hljs) {
const regex = hljs.regex;
const KEYWORDS = {
keyword:
'in of on if for while finally var new function do return void else break catch '
+ 'instanceof with throw case default try this switch continue typeof delete '
+ 'let yield const export super debugger as async await import',
literal:
'true false null undefined NaN Infinity',
built_in:
'eval isFinite isNaN parseFloat parseInt decodeURI decodeURIComponent '
+ 'encodeURI encodeURIComponent escape unescape Object Function Boolean Error '
+ 'EvalError InternalError RangeError ReferenceError StopIteration SyntaxError '
+ 'TypeError URIError Number Math Date String RegExp Array Float32Array '
+ 'Float64Array Int16Array Int32Array Int8Array Uint16Array Uint32Array '
+ 'Uint8Array Uint8ClampedArray ArrayBuffer DataView JSON Intl arguments require '
+ 'module console window document Symbol Set Map WeakSet WeakMap Proxy Reflect '
+ 'Behavior bool color coordinate date double enumeration font geocircle georectangle '
+ 'geoshape int list matrix4x4 parent point quaternion real rect '
+ 'size string url variant vector2d vector3d vector4d '
+ 'Promise'
};
const QML_IDENT_RE = '[a-zA-Z_][a-zA-Z0-9\\._]*';
// Isolate property statements. Ends at a :, =, ;, ,, a comment or end of line.
// Use property class.
const PROPERTY = {
className: 'keyword',
begin: '\\bproperty\\b',
starts: {
className: 'string',
end: '(:|=|;|,|//|/\\*|$)',
returnEnd: true
}
};
// Isolate signal statements. Ends at a ) a comment or end of line.
// Use property class.
const SIGNAL = {
className: 'keyword',
begin: '\\bsignal\\b',
starts: {
className: 'string',
end: '(\\(|:|=|;|,|//|/\\*|$)',
returnEnd: true
}
};
// id: is special in QML. When we see id: we want to mark the id: as attribute and
// emphasize the token following.
const ID_ID = {
className: 'attribute',
begin: '\\bid\\s*:',
starts: {
className: 'string',
end: QML_IDENT_RE,
returnEnd: false
}
};
// Find QML object attribute. An attribute is a QML identifier followed by :.
// Unfortunately it's hard to know where it ends, as it may contain scalars,
// objects, object definitions, or javascript. The true end is either when the parent
// ends or the next attribute is detected.
const QML_ATTRIBUTE = {
begin: QML_IDENT_RE + '\\s*:',
returnBegin: true,
contains: [
{
className: 'attribute',
begin: QML_IDENT_RE,
end: '\\s*:',
excludeEnd: true,
relevance: 0
}
],
relevance: 0
};
// Find QML object. A QML object is a QML identifier followed by { and ends at the matching }.
// All we really care about is finding IDENT followed by { and just mark up the IDENT and ignore the {.
const QML_OBJECT = {
begin: regex.concat(QML_IDENT_RE, /\s*\{/),
end: /\{/,
returnBegin: true,
relevance: 0,
contains: [ hljs.inherit(hljs.TITLE_MODE, { begin: QML_IDENT_RE }) ]
};
return {
name: 'QML',
aliases: [ 'qt' ],
case_insensitive: false,
keywords: KEYWORDS,
contains: [
{
className: 'meta',
begin: /^\s*['"]use (strict|asm)['"]/
},
hljs.APOS_STRING_MODE,
hljs.QUOTE_STRING_MODE,
{ // template string
className: 'string',
begin: '`',
end: '`',
contains: [
hljs.BACKSLASH_ESCAPE,
{
className: 'subst',
begin: '\\$\\{',
end: '\\}'
}
]
},
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE,
{
className: 'number',
variants: [
{ begin: '\\b(0[bB][01]+)' },
{ begin: '\\b(0[oO][0-7]+)' },
{ begin: hljs.C_NUMBER_RE }
],
relevance: 0
},
{ // "value" container
begin: '(' + hljs.RE_STARTERS_RE + '|\\b(case|return|throw)\\b)\\s*',
keywords: 'return throw case',
contains: [
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE,
hljs.REGEXP_MODE,
{ // E4X / JSX
begin: /</,
end: />\s*[);\]]/,
relevance: 0,
subLanguage: 'xml'
}
],
relevance: 0
},
SIGNAL,
PROPERTY,
{
className: 'function',
beginKeywords: 'function',
end: /\{/,
excludeEnd: true,
contains: [
hljs.inherit(hljs.TITLE_MODE, { begin: /[A-Za-z$_][0-9A-Za-z$_]*/ }),
{
className: 'params',
begin: /\(/,
end: /\)/,
excludeBegin: true,
excludeEnd: true,
contains: [
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE
]
}
],
illegal: /\[|%/
},
{
// hack: prevents detection of keywords after dots
begin: '\\.' + hljs.IDENT_RE,
relevance: 0
},
ID_ID,
QML_ATTRIBUTE,
QML_OBJECT
],
illegal: /#/
};
}
module.exports = qml;