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dts.js
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dts.js
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/*
Language: Device Tree
Description: *.dts files used in the Linux kernel
Author: Martin Braun <martin.braun@ettus.com>, Moritz Fischer <moritz.fischer@ettus.com>
Website: https://elinux.org/Device_Tree_Reference
Category: config
*/
/** @type LanguageFn */
export default function(hljs) {
const STRINGS = {
className: 'string',
variants: [
hljs.inherit(hljs.QUOTE_STRING_MODE, {
begin: '((u8?|U)|L)?"'
}),
{
begin: '(u8?|U)?R"',
end: '"',
contains: [hljs.BACKSLASH_ESCAPE]
},
{
begin: '\'\\\\?.',
end: '\'',
illegal: '.'
}
]
};
const NUMBERS = {
className: 'number',
variants: [
{
begin: '\\b(\\d+(\\.\\d*)?|\\.\\d+)(u|U|l|L|ul|UL|f|F)'
},
{
begin: hljs.C_NUMBER_RE
}
],
relevance: 0
};
const PREPROCESSOR = {
className: 'meta',
begin: '#',
end: '$',
keywords: {
'keyword': 'if else elif endif define undef ifdef ifndef'
},
contains: [
{
begin: /\\\n/,
relevance: 0
},
{
beginKeywords: 'include',
end: '$',
keywords: {
'keyword': 'include'
},
contains: [
hljs.inherit(STRINGS, {
className: 'string'
}),
{
className: 'string',
begin: '<',
end: '>',
illegal: '\\n'
}
]
},
STRINGS,
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE
]
};
const REFERENCE = {
className: 'variable',
begin: /&[a-z\d_]*\b/
};
const KEYWORD = {
className: 'keyword',
begin: '/[a-z][a-z\\d-]*/'
};
const LABEL = {
className: 'symbol',
begin: '^\\s*[a-zA-Z_][a-zA-Z\\d_]*:'
};
const CELL_PROPERTY = {
className: 'params',
relevance: 0,
begin: '<',
end: '>',
contains: [
NUMBERS,
REFERENCE
]
};
const NODE = {
className: 'title.class',
begin: /[a-zA-Z_][a-zA-Z\d_@-]*(?=\s\{)/
};
const ROOT_NODE = {
className: 'title.class',
begin: /^\/(?=\s*\{)/,
relevance: 10
};
// TODO: `attribute` might be the right scope here, unsure
// I'm not sure if all these key names have semantic meaning or not
const ATTR_NO_VALUE = {
match: /[a-z][a-z-,]+(?=;)/,
relevance: 0,
scope: "attr"
};
const ATTR = {
relevance: 0,
match: [
/[a-z][a-z-,]+/,
/\s*/,
/=/
],
scope: {
1: "attr",
3: "operator"
}
};
const PUNC = {
scope: "punctuation",
relevance: 0,
// `};` combined is just to avoid tons of useless punctuation nodes
match: /\};|[;{}]/
};
return {
name: 'Device Tree',
contains: [
ROOT_NODE,
REFERENCE,
KEYWORD,
LABEL,
NODE,
ATTR,
ATTR_NO_VALUE,
CELL_PROPERTY,
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE,
NUMBERS,
STRINGS,
PREPROCESSOR,
PUNC,
{
begin: hljs.IDENT_RE + '::',
keywords: ""
}
]
};
}