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xl.js
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/*
Language: XL
Author: Christophe de Dinechin <christophe@taodyne.com>
Description: An extensible programming language, based on parse tree rewriting
Website: http://xlr.sf.net
*/
function xl(hljs) {
const KWS = [
"if",
"then",
"else",
"do",
"while",
"until",
"for",
"loop",
"import",
"with",
"is",
"as",
"where",
"when",
"by",
"data",
"constant",
"integer",
"real",
"text",
"name",
"boolean",
"symbol",
"infix",
"prefix",
"postfix",
"block",
"tree"
];
const BUILT_INS = [
"in",
"mod",
"rem",
"and",
"or",
"xor",
"not",
"abs",
"sign",
"floor",
"ceil",
"sqrt",
"sin",
"cos",
"tan",
"asin",
"acos",
"atan",
"exp",
"expm1",
"log",
"log2",
"log10",
"log1p",
"pi",
"at",
"text_length",
"text_range",
"text_find",
"text_replace",
"contains",
"page",
"slide",
"basic_slide",
"title_slide",
"title",
"subtitle",
"fade_in",
"fade_out",
"fade_at",
"clear_color",
"color",
"line_color",
"line_width",
"texture_wrap",
"texture_transform",
"texture",
"scale_?x",
"scale_?y",
"scale_?z?",
"translate_?x",
"translate_?y",
"translate_?z?",
"rotate_?x",
"rotate_?y",
"rotate_?z?",
"rectangle",
"circle",
"ellipse",
"sphere",
"path",
"line_to",
"move_to",
"quad_to",
"curve_to",
"theme",
"background",
"contents",
"locally",
"time",
"mouse_?x",
"mouse_?y",
"mouse_buttons"
];
const BUILTIN_MODULES = [
"ObjectLoader",
"Animate",
"MovieCredits",
"Slides",
"Filters",
"Shading",
"Materials",
"LensFlare",
"Mapping",
"VLCAudioVideo",
"StereoDecoder",
"PointCloud",
"NetworkAccess",
"RemoteControl",
"RegExp",
"ChromaKey",
"Snowfall",
"NodeJS",
"Speech",
"Charts"
];
const LITERALS = [
"true",
"false",
"nil"
];
const KEYWORDS = {
$pattern: /[a-zA-Z][a-zA-Z0-9_?]*/,
keyword: KWS,
literal: LITERALS,
built_in: BUILT_INS.concat(BUILTIN_MODULES)
};
const DOUBLE_QUOTE_TEXT = {
className: 'string',
begin: '"',
end: '"',
illegal: '\\n'
};
const SINGLE_QUOTE_TEXT = {
className: 'string',
begin: '\'',
end: '\'',
illegal: '\\n'
};
const LONG_TEXT = {
className: 'string',
begin: '<<',
end: '>>'
};
const BASED_NUMBER = {
className: 'number',
begin: '[0-9]+#[0-9A-Z_]+(\\.[0-9-A-Z_]+)?#?([Ee][+-]?[0-9]+)?'
};
const IMPORT = {
beginKeywords: 'import',
end: '$',
keywords: KEYWORDS,
contains: [ DOUBLE_QUOTE_TEXT ]
};
const FUNCTION_DEFINITION = {
className: 'function',
begin: /[a-z][^\n]*->/,
returnBegin: true,
end: /->/,
contains: [
hljs.inherit(hljs.TITLE_MODE, { starts: {
endsWithParent: true,
keywords: KEYWORDS
} })
]
};
return {
name: 'XL',
aliases: [ 'tao' ],
keywords: KEYWORDS,
contains: [
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE,
DOUBLE_QUOTE_TEXT,
SINGLE_QUOTE_TEXT,
LONG_TEXT,
FUNCTION_DEFINITION,
IMPORT,
BASED_NUMBER,
hljs.NUMBER_MODE
]
};
}
module.exports = xl;

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