Added support for Kusto

components.json

@@ -731,6 +731,10 @@
 			"alias": "kum",
 			"owner": "edukisto"
 		},
+		"kusto": {
+			"title": "Kusto",
+			"owner": "RunDevelopment"
+		},
 		"latex": {
 			"title": "LaTeX",
 			"alias": ["tex", "context"],

components/prism-kusto.js

@@ -0,0 +1,44 @@
+Prism.languages.kusto = {
+	'comment': {
+		pattern: /\/\/.*/,
+		greedy: true
+	},
+	'string': {
+		pattern: /```[\s\S]*?```|[hH]?(?:"(?:[^\r\n\\"]|\\.)*"|'(?:[^\r\n\\']|\\.)*'|@(?:"[^\r\n"]*"|'[^\r\n']*'))/,
+		greedy: true
+	},
+
+	'verb': {
+		pattern: /(\|\s*)[a-z][\w-]*/i,
+		lookbehind: true,
+		alias: 'keyword'
+	},
+
+	'command': {
+		pattern: /\.[a-z][a-z\d-]*\b/,
+		alias: 'keyword'
+	},
+
+	'class-name': /\b(?:bool|datetime|decimal|dynamic|guid|int|long|real|string|timespan)\b/,
+	'keyword': /\b(?:access|alias|and|anti|as|asc|auto|between|by|database|declare|desc|external|from|fullouter|has_all|in|ingestion|inline|inner|innerunique|into|let|like|local|not|of|on|or|pattern|print|query_parameters|range|restrict|schema|set|step|table|tables|to|view|where|with|(?:has(?:perfix|suffix)?|contains|(?:starts|ends)with)(?:_cs)?|(?:left|right)(?:anti(?:semi)?|inner|outer|semi)?|matches\s+regex|nulls\s+(?:first|last))(?![\w-])/,
+	'boolean': /\b(?:true|false|null)\b/,
+
+	'function': /\b[a-z_]\w*(?=\s*\()/,
+
+	'datetime': [
+		{
+			// RFC 822 + RFC 850
+			pattern: /\b(?:(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|Sunday)\s*,\s*)?\d{1,2}(?:\s+|-)(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)(?:\s+|-)\d{2}\s+\d{2}:\d{2}(?::\d{2})?(?:\s*(?:\b(?:(?:U|GM|[ECMT][DS])T|[A-Z])|[+-]\d{4}))?\b/,
+			alias: 'number'
+		},
+		{
+			// ISO 8601
+			pattern: /[+-]?\b(?:\d{4}-\d{2}-\d{2}(?:[ T]\d{2}:\d{2}(?::\d{2}(?:\.\d+)?)?)?|\d{2}:\d{2}(?::\d{2}(?:\.\d+)?)?)Z?/,
+			alias: 'number'
+		}
+	],
+	'number': /\b(?:0x[0-9A-Fa-f]+|\d+(?:\.\d+)?(?:[Ee][+-]?\d+)?)(?:(?:min|sec|[mnµ]s|tick|microsecond|[dhms])\b)?|[+-]?\binf\b/,
+
+	'operator': /=>|[!=]~|[!=<>]=?|[-+*/%|]|\.\./,
+	'punctuation': /[()\[\]{},;.:]/
+};

examples/prism-kusto.html

@@ -0,0 +1,8 @@
+<h2>Full example</h2>
+<pre><code>// Source: https://docs.microsoft.com/en-us/azure/data-explorer/kusto/query/tutorial?pivots=azuredataexplorer
+
+StormEvents
+| where StartTime > datetime(2007-02-01) and StartTime &lt; datetime(2007-03-01)
+| where EventType == 'Flood' and State == 'CALIFORNIA'
+| project StartTime, EndTime , State , EventType , EpisodeNarrative
+</code></pre>

tests/languages/kusto/boolean_feature.test

@@ -0,0 +1,24 @@
+true bool(true)
+false bool(false)
+bool(null)
+
+----------------------------------------------------
+
+[
+	["boolean", "true"],
+	["class-name", "bool"],
+	["punctuation", "("],
+	["boolean", "true"],
+	["punctuation", ")"],
+
+	["boolean", "false"],
+	["class-name", "bool"],
+	["punctuation", "("],
+	["boolean", "false"],
+	["punctuation", ")"],
+
+	["class-name", "bool"],
+	["punctuation", "("],
+	["boolean", "null"],
+	["punctuation", ")"]
+]

tests/languages/kusto/class-name_feature.test

@@ -0,0 +1,25 @@
+bool
+datetime
+decimal
+dynamic
+guid
+int
+long
+real
+string
+timespan
+
+----------------------------------------------------
+
+[
+	["class-name", "bool"],
+	["class-name", "datetime"],
+	["class-name", "decimal"],
+	["class-name", "dynamic"],
+	["class-name", "guid"],
+	["class-name", "int"],
+	["class-name", "long"],
+	["class-name", "real"],
+	["class-name", "string"],
+	["class-name", "timespan"]
+]

tests/languages/kusto/command_feature.test

@@ -0,0 +1,13 @@
+.show tables
+| count
+
+.set foo=234
+
+----------------------------------------------------
+
+[
+	["command", ".show"], ["keyword", "tables"],
+	["operator", "|"], ["verb", "count"],
+
+	["command", ".set"], " foo", ["operator", "="], ["number", "234"]
+]

tests/languages/kusto/comment_feature.test

@@ -0,0 +1,7 @@
+// comment
+
+----------------------------------------------------
+
+[
+	["comment", "// comment"]
+]

tests/languages/kusto/datetime_feature.test

@@ -0,0 +1,61 @@
+// ISO 8601
+2014-05-25T08:20:03.123456Z
+2014-05-25T08:20:03.123456
+2014-05-25T08:20
+2014-11-08 15:55:55.123456Z
+2014-11-08 15:55:55
+2014-11-08 15:55
+2014-11-08
+
+// RFC 822
+Sat, 8 Nov 14 15:05:02 GMT
+Sat, 8 Nov 14 15:05:02
+Sat, 8 Nov 14 15:05
+Sat, 8 Nov 14 15:05 GMT
+8 Nov 14 15:05:02 GMT
+8 Nov 14 15:05:02
+8 Nov 14 15:05
+8 Nov 14 15:05 GMT
+
+// RFC 850
+Saturday, 08-Nov-14 15:05:02 GMT
+Saturday, 08-Nov-14 15:05:02
+Saturday, 08-Nov-14 15:05 GMT
+Saturday, 08-Nov-14 15:05
+08-Nov-14 15:05:02 GMT
+08-Nov-14 15:05:02
+08-Nov-14 15:05 GMT
+08-Nov-14 15:05
+
+----------------------------------------------------
+
+[
+	["comment", "// ISO 8601"],
+	["datetime", "2014-05-25T08:20:03.123456Z"],
+	["datetime", "2014-05-25T08:20:03.123456"],
+	["datetime", "2014-05-25T08:20"],
+	["datetime", "2014-11-08 15:55:55.123456Z"],
+	["datetime", "2014-11-08 15:55:55"],
+	["datetime", "2014-11-08 15:55"],
+	["datetime", "2014-11-08"],
+
+	["comment", "// RFC 822"],
+	["datetime", "Sat, 8 Nov 14 15:05:02 GMT"],
+	["datetime", "Sat, 8 Nov 14 15:05:02"],
+	["datetime", "Sat, 8 Nov 14 15:05"],
+	["datetime", "Sat, 8 Nov 14 15:05 GMT"],
+	["datetime", "8 Nov 14 15:05:02 GMT"],
+	["datetime", "8 Nov 14 15:05:02"],
+	["datetime", "8 Nov 14 15:05"],
+	["datetime", "8 Nov 14 15:05 GMT"],
+
+	["comment", "// RFC 850"],
+	["datetime", "Saturday, 08-Nov-14 15:05:02 GMT"],
+	["datetime", "Saturday, 08-Nov-14 15:05:02"],
+	["datetime", "Saturday, 08-Nov-14 15:05 GMT"],
+	["datetime", "Saturday, 08-Nov-14 15:05"],
+	["datetime", "08-Nov-14 15:05:02 GMT"],
+	["datetime", "08-Nov-14 15:05:02"],
+	["datetime", "08-Nov-14 15:05 GMT"],
+	["datetime", "08-Nov-14 15:05"]
+]

tests/languages/kusto/function_feature.test

@@ -0,0 +1,9 @@
+min()
+
+----------------------------------------------------
+
+[
+	["function", "min"],
+	["punctuation", "("],
+	["punctuation", ")"]
+]

tests/languages/kusto/keyword_feature.test

@@ -0,0 +1,145 @@
+access
+alias
+and
+anti
+as
+asc
+auto
+between
+by
+contains
+contains_cs
+database
+declare
+desc
+endswith
+endswith_cs
+external
+from
+fullouter
+has
+has_all
+has_cs
+hasperfix
+hasperfix_cs
+hassuffix
+hassuffix_cs
+in
+ingestion
+inline
+inner
+innerunique
+into
+left
+leftanti
+leftantisemi
+leftinner
+leftouter
+leftsemi
+let
+like
+local
+matches regex
+not
+nulls first
+nulls last
+of
+on
+or
+pattern
+print
+query_parameters
+range
+restrict
+right
+rightanti
+rightantisemi
+rightinner
+rightouter
+rightsemi
+schema
+set
+startswith
+startswith_cs
+step
+table
+tables
+to
+view
+where
+with
+
+----------------------------------------------------
+
+[
+	["keyword", "access"],
+	["keyword", "alias"],
+	["keyword", "and"],
+	["keyword", "anti"],
+	["keyword", "as"],
+	["keyword", "asc"],
+	["keyword", "auto"],
+	["keyword", "between"],
+	["keyword", "by"],
+	["keyword", "contains"],
+	["keyword", "contains_cs"],
+	["keyword", "database"],
+	["keyword", "declare"],
+	["keyword", "desc"],
+	["keyword", "endswith"],
+	["keyword", "endswith_cs"],
+	["keyword", "external"],
+	["keyword", "from"],
+	["keyword", "fullouter"],
+	["keyword", "has"],
+	["keyword", "has_all"],
+	["keyword", "has_cs"],
+	["keyword", "hasperfix"],
+	["keyword", "hasperfix_cs"],
+	["keyword", "hassuffix"],
+	["keyword", "hassuffix_cs"],
+	["keyword", "in"],
+	["keyword", "ingestion"],
+	["keyword", "inline"],
+	["keyword", "inner"],
+	["keyword", "innerunique"],
+	["keyword", "into"],
+	["keyword", "left"],
+	["keyword", "leftanti"],
+	["keyword", "leftantisemi"],
+	["keyword", "leftinner"],
+	["keyword", "leftouter"],
+	["keyword", "leftsemi"],
+	["keyword", "let"],
+	["keyword", "like"],
+	["keyword", "local"],
+	["keyword", "matches regex"],
+	["keyword", "not"],
+	["keyword", "nulls first"],
+	["keyword", "nulls last"],
+	["keyword", "of"],
+	["keyword", "on"],
+	["keyword", "or"],
+	["keyword", "pattern"],
+	["keyword", "print"],
+	["keyword", "query_parameters"],
+	["keyword", "range"],
+	["keyword", "restrict"],
+	["keyword", "right"],
+	["keyword", "rightanti"],
+	["keyword", "rightantisemi"],
+	["keyword", "rightinner"],
+	["keyword", "rightouter"],
+	["keyword", "rightsemi"],
+	["keyword", "schema"],
+	["keyword", "set"],
+	["keyword", "startswith"],
+	["keyword", "startswith_cs"],
+	["keyword", "step"],
+	["keyword", "table"],
+	["keyword", "tables"],
+	["keyword", "to"],
+	["keyword", "view"],
+	["keyword", "where"],
+	["keyword", "with"]
+]