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RunDevelopmentRunDevelopment
authoredJul 18, 2020
Added support for Cypher (#2459)
·
v1.30.0v1.21.0
1 parent 4f55052 commit 398e294

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+560
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‎components.js

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‎components.json

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"modify": "css",
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"owner": "milesj"
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},
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"cypher": {
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"title": "Cypher",
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"owner": "RunDevelopment"
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},
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"d": {
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"title": "D",
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"require": "clike",

‎components/prism-cypher.js

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Prism.languages.cypher = {
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// https://neo4j.com/docs/cypher-manual/current/syntax/comments/
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'comment': /\/\/.*/,
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'string': {
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pattern: /"(?:[^"\\\r\n]|\\.)*"|'(?:[^'\\\r\n]|\\.)*'/,
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greedy: true
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},
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'class-name': {
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pattern: /(:\s*)(?:\w+|`(?:[^`\\\r\n])*`)(?=\s*[{):])/,
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lookbehind: true,
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greedy: true
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},
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'relationship': {
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pattern: /(-\[\s*(?:\w+\s*|`(?:[^`\\\r\n])*`\s*)?:\s*|\|\s*:\s*)(?:\w+|`(?:[^`\\\r\n])*`)/,
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lookbehind: true,
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greedy: true,
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alias: 'property'
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},
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'identifier': {
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pattern: /`(?:[^`\\\r\n])*`/,
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greedy: true,
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alias: 'symbol'
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},
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'variable': /\$\w+/,
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// https://neo4j.com/docs/cypher-manual/current/syntax/reserved/
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'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,
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'function': /\b\w+\b(?=\s*\()/,
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'boolean': /\b(?:true|false|null)\b/i,
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'number': /\b(?:0x[\da-fA-F]+|\d+(?:\.\d+)?(?:[eE][+-]?\d+)?)\b/,
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// https://neo4j.com/docs/cypher-manual/current/syntax/operators/
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'operator': /:|<--?|--?>?|<>|=~?|[<>]=?|[+*/%^|]|\.\.\.?/,
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'punctuation': /[()[\]{},;.]/
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};

‎components/prism-cypher.min.js

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‎examples/prism-cypher.html

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<h2>Full example</h2>
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<pre><code>MATCH (person:Person)-[:WORKS_FOR]->(company)
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WHERE company.name STARTS WITH "Company"
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AND EXISTS {
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MATCH (person)-[:LIKES]->(t:Technology)
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WHERE size((t)&lt;-[:LIKES]-()) >= 3
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}
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RETURN person.name as person, company.name AS company;</code></pre>

‎tests/languages/cypher/boolean_feature.test

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true TRUE
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false FALSE
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null
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----------------------------------------------------
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[
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["boolean", "true"],
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["boolean", "TRUE"],
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["boolean", "false"],
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["boolean", "FALSE"],
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["boolean", "null"]
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]
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----------------------------------------------------
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Checks for booleans and null.

‎tests/languages/cypher/class-name_feature.test

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(p:Student)
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(p:Student { name: "John" })
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(:`Student`)
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(:`Student` { name: "John"})
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(p:Student:Teacher)
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(p:Student { name: "John" }:Teacher)
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(:`Student`:`Teacher`)
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(:`Student` { name: "John"}:`Teacher` { classes: "..." })
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// no class names but still interesting cases
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(p { name: "John" })
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({ name: "John" })
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()
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----------------------------------------------------
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[
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["punctuation", "("],
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"p",
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["operator", ":"],
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["class-name", "Student"],
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["punctuation", ")"],
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["punctuation", "("],
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"p",
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["operator", ":"],
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["class-name", "Student"],
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["punctuation", "{"],
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" name",
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["operator", ":"],
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["string", "\"John\""],
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["punctuation", "}"],
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["punctuation", ")"],
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["punctuation", "("],
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["operator", ":"],
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["class-name", "`Student`"],
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["punctuation", ")"],
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["punctuation", "("],
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["operator", ":"],
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["class-name", "`Student`"],
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["punctuation", "{"],
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" name",
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["operator", ":"],
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["string", "\"John\""],
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["punctuation", "}"],
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["punctuation", ")"],
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["punctuation", "("],
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"p",
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["operator", ":"],
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["class-name", "Student"],
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["operator", ":"],
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["class-name", "Teacher"],
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["punctuation", ")"],
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["punctuation", "("],
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"p",
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["operator", ":"],
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["class-name", "Student"],
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["punctuation", "{"],
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" name",
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["operator", ":"],
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["string", "\"John\""],
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["punctuation", "}"],
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["operator", ":"],
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["class-name", "Teacher"],
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["punctuation", ")"],
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["punctuation", "("],
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["operator", ":"],
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["class-name", "`Student`"],
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["operator", ":"],
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["class-name", "`Teacher`"],
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["punctuation", ")"],
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["punctuation", "("],
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["operator", ":"],
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["class-name", "`Student`"],
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["punctuation", "{"],
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" name",
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["operator", ":"],
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["string", "\"John\""],
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["punctuation", "}"],
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["operator", ":"],
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["class-name", "`Teacher`"],
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["punctuation", "{"],
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" classes",
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["operator", ":"],
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["string", "\"...\""],
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["punctuation", "}"],
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["punctuation", ")"],
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["comment", "// no class names but still interesting cases"],
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["punctuation", "("],
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"p ",
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["punctuation", "{"],
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" name",
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["operator", ":"],
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["string", "\"John\""],
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["punctuation", "}"],
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["punctuation", ")"],
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["punctuation", "("],
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["punctuation", "{"],
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" name",
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["operator", ":"],
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["string", "\"John\""],
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["punctuation", "}"],
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["punctuation", ")"],
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["punctuation", "("],
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["punctuation", ")"]
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]
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----------------------------------------------------
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Checks for class names.

‎tests/languages/cypher/comment_feature.test

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//comment
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----------------------------------------------------
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[
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["comment", "//comment"]
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]
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----------------------------------------------------
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Checks for comments.

‎tests/languages/cypher/function_feature.test

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foo()
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----------------------------------------------------
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[
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["function", "foo"],
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["punctuation", "("],
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["punctuation", ")"]
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]
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----------------------------------------------------
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Checks for function names.

‎tests/languages/cypher/keyword_feature.test

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ADD
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ALL
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AND
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AS
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ASC
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ASCENDING
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ASSERT
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CALL
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CASE
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COMMIT
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CONSTRAINT
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CONTAINS
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CREATE
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CSV
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DELETE
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DESC
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DESCENDING
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DETACH
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DISTINCT
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DO
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DROP
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ELSE
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END
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ENDS
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EXISTS
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FOR
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FOREACH
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IN
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INDEX
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IS
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JOIN
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KEY
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LIMIT
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LOAD
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MANDATORY
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MATCH
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MERGE
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NODE
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NOT
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OF
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ON
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OPTIONAL
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OR
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ORDER BY
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PERIODIC
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REMOVE
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REQUIRE
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RETURN
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SCALAR
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SCAN
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SET
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SKIP
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START
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STARTS
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THEN
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UNION
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UNIQUE
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UNWIND
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USING
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WHEN
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WHERE
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WITH
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XOR
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YIELD
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----------------------------------------------------
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[
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["keyword", "ADD"],
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["keyword", "ALL"],
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["keyword", "AND"],
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["keyword", "AS"],
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["keyword", "ASC"],
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["keyword", "ASCENDING"],
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["keyword", "ASSERT"],
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["keyword", "CALL"],
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["keyword", "CASE"],
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["keyword", "COMMIT"],
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["keyword", "CONSTRAINT"],
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["keyword", "CONTAINS"],
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["keyword", "CREATE"],
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["keyword", "CSV"],
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["keyword", "DELETE"],
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["keyword", "DESC"],
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["keyword", "DESCENDING"],
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["keyword", "DETACH"],
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["keyword", "DISTINCT"],
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["keyword", "DO"],
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["keyword", "DROP"],
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["keyword", "ELSE"],
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["keyword", "END"],
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["keyword", "ENDS"],
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["keyword", "EXISTS"],
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["keyword", "FOR"],
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["keyword", "FOREACH"],
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["keyword", "IN"],
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["keyword", "INDEX"],
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["keyword", "IS"],
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["keyword", "JOIN"],
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["keyword", "KEY"],
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["keyword", "LIMIT"],
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["keyword", "LOAD"],
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["keyword", "MANDATORY"],
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["keyword", "MATCH"],
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["keyword", "MERGE"],
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["keyword", "NODE"],
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["keyword", "NOT"],
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["keyword", "OF"],
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["keyword", "ON"],
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["keyword", "OPTIONAL"],
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["keyword", "OR"],
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["keyword", "ORDER"],
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["keyword", "BY"],
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["keyword", "PERIODIC"],
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["keyword", "REMOVE"],
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["keyword", "REQUIRE"],
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["keyword", "RETURN"],
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["keyword", "SCALAR"],
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["keyword", "SCAN"],
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["keyword", "SET"],
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["keyword", "SKIP"],
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["keyword", "START"],
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["keyword", "STARTS"],
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["keyword", "THEN"],
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["keyword", "UNION"],
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["keyword", "UNIQUE"],
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["keyword", "UNWIND"],
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["keyword", "USING"],
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["keyword", "WHEN"],
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["keyword", "WHERE"],
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["keyword", "WITH"],
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["keyword", "XOR"],
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["keyword", "YIELD"]
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]
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----------------------------------------------------
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Checks for keywords.

‎tests/languages/cypher/number_feature.test

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123
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123E45
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3.14
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6.022E23
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0x13af
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0xFC3A9
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0x66eff
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01372
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02127
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05671
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----------------------------------------------------
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[
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["number", "123"],
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["number", "123E45"],
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["number", "3.14"],
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["number", "6.022E23"],
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["number", "0x13af"],
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["number", "0xFC3A9"],
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["number", "0x66eff"],
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["number", "01372"],
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["number", "02127"],
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["number", "05671"]
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]
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----------------------------------------------------
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Checks for numbers.

‎tests/languages/cypher/operator_feature.test

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+ - * / % ^
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= <> > >= < <=
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=~ | : ..
6+
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- ->
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<- -
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- -
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--
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<--
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-->
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----------------------------------------------------
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[
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["operator", "+"],
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["operator", "-"],
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["operator", "*"],
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["operator", "/"],
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["operator", "%"],
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["operator", "^"],
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["operator", "="],
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["operator", "<>"],
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["operator", ">"],
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["operator", ">="],
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["operator", "<"],
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["operator", "<="],
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["operator", "=~"],
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["operator", "|"],
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["operator", ":"],
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["operator", ".."],
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["operator", "-"],
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["operator", "->"],
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["operator", "<-"],
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["operator", "-"],
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["operator", "-"],
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["operator", "-"],
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["operator", "--"],
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["operator", "<--"],
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["operator", "-->"]
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]
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----------------------------------------------------
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Checks for operators.

‎tests/languages/cypher/punctuation_feature.test

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( ) [ ] { } ; , .
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----------------------------------------------------
4+
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[
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["punctuation", "("],
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["punctuation", ")"],
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["punctuation", "["],
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["punctuation", "]"],
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["punctuation", "{"],
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["punctuation", "}"],
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["punctuation", ";"],
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["punctuation", ","],
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["punctuation", "."]
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]
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----------------------------------------------------
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Checks for punctuation.

‎tests/languages/cypher/relationship_feature.test

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-[r:REL_TYPE]->
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-[:REL_TYPE]->
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<-[:LIKES]-
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-[{blocked: false}]->
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-[:KNOWS*1..2]-
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-[*]->
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-[*3..5]->
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15+
----------------------------------------------------
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[
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["operator", "-"],
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["punctuation", "["],
20+
"r",
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["operator", ":"],
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["relationship", "REL_TYPE"],
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["punctuation", "]"],
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["operator", "->"],
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["operator", "-"],
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["punctuation", "["],
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["operator", ":"],
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["relationship", "REL_TYPE"],
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["punctuation", "]"],
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["operator", "->"],
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["operator", "<-"],
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["punctuation", "["],
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["operator", ":"],
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["relationship", "LIKES"],
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["punctuation", "]"],
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["operator", "-"],
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["operator", "-"],
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["punctuation", "["],
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["punctuation", "{"],
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"blocked",
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["operator", ":"],
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["boolean", "false"],
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["punctuation", "}"],
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["punctuation", "]"],
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["operator", "->"],
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["operator", "-"],
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["punctuation", "["],
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["operator", ":"],
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["relationship", "KNOWS"],
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["operator", "*"],
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["number", "1"],
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["operator", ".."],
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["number", "2"],
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["punctuation", "]"],
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["operator", "-"],
60+
61+
["operator", "-"],
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["punctuation", "["],
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["operator", "*"],
64+
["punctuation", "]"],
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["operator", "->"],
66+
67+
["operator", "-"],
68+
["punctuation", "["],
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["operator", "*"],
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["number", "3"],
71+
["operator", ".."],
72+
["number", "5"],
73+
["punctuation", "]"],
74+
["operator", "->"]
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]
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----------------------------------------------------
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Checks for relationships.

‎tests/languages/cypher/string_feature.test

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""
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"foo"
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''
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'foo'
5+
"\foo//'\bar"
6+
7+
----------------------------------------------------
8+
9+
[
10+
["string", "\"\""],
11+
["string", "\"foo\""],
12+
["string", "''"],
13+
["string", "'foo'"],
14+
["string", "\"\\foo//'\\bar\""]
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]
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----------------------------------------------------
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Checks for strings.

‎tests/languages/cypher/variable_feature.test

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$name
2+
a.$name
3+
4+
----------------------------------------------------
5+
6+
[
7+
["variable", "$name"],
8+
"\na",
9+
["punctuation", "."],
10+
["variable", "$name"]
11+
]
12+
13+
----------------------------------------------------
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15+
Checks for variables.

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