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Prism.languages.cypher = {
// https://neo4j.com/docs/cypher-manual/current/syntax/comments/
comment: /\/\/.*/,
string: {
pattern: /"(?:[^"\\\r\n]|\\.)*"|'(?:[^'\\\r\n]|\\.)*'/,
greedy: true,
},
'class-name': {
pattern: /(:\s*)(?:\w+|`(?:[^`\\\r\n])*`)(?=\s*[{):])/,
lookbehind: true,
greedy: true,
},
relationship: {
pattern:
/(-\[\s*(?:\w+\s*|`(?:[^`\\\r\n])*`\s*)?:\s*|\|\s*:\s*)(?:\w+|`(?:[^`\\\r\n])*`)/,
lookbehind: true,
greedy: true,
alias: 'property',
},
identifier: {
pattern: /`(?:[^`\\\r\n])*`/,
greedy: true,
},
variable: /\$\w+/,
// https://neo4j.com/docs/cypher-manual/current/syntax/reserved/
keyword:
/\b(?:ADD|ALL|AND|AS|ASC|ASCENDING|ASSERT|BY|CALL|CASE|COMMIT|CONSTRAINT|CONTAINS|CREATE|CSV|DELETE|DESC|DESCENDING|DETACH|DISTINCT|DO|DROP|ELSE|END|ENDS|EXISTS|FOR|FOREACH|IN|INDEX|IS|JOIN|KEY|LIMIT|LOAD|MANDATORY|MATCH|MERGE|NODE|NOT|OF|ON|OPTIONAL|OR|ORDER(?=\s+BY)|PERIODIC|REMOVE|REQUIRE|RETURN|SCALAR|SCAN|SET|SKIP|START|STARTS|THEN|UNION|UNIQUE|UNWIND|USING|WHEN|WHERE|WITH|XOR|YIELD)\b/i,
function: /\b\w+\b(?=\s*\()/,
boolean: /\b(?:false|null|true)\b/i,
number: /\b(?:0x[\da-fA-F]+|\d+(?:\.\d+)?(?:[eE][+-]?\d+)?)\b/,
// https://neo4j.com/docs/cypher-manual/current/syntax/operators/
operator: /:|<--?|--?>?|<>|=~?|[<>]=?|[+*/%^|]|\.\.\.?/,
punctuation: /[()[\]{},;.]/,
};
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