Added Tremor project DSL language definition (#3087)

* Add tremor project DSL langauge definitions

Signed-off-by: Darach Ennis <darach@gmail.com>

* Update components/prism-tremor.js

Apply fix worst-case time complexity per @RunDevelopment's insight

Co-authored-by: Michael Schmidt <msrd0000@gmail.com>

* Update components/prism-tremor.js

Terser formulation of pattern

Co-authored-by: Michael Schmidt <msrd0000@gmail.com>

* Update components/prism-tremor.js

Terser formulation of pattern

Co-authored-by: Michael Schmidt <msrd0000@gmail.com>

* Update components/prism-tremor.js

Terser formulation of pattern

Co-authored-by: Michael Schmidt <msrd0000@gmail.com>

* Add partial interpolation, expand tests, attend to lints

Signed-off-by: Darach Ennis <darach@gmail.com>

* Improved Tremor tokenization

Signed-off-by: Michael Schmidt <mitchi5000.ms@googlemail.com>

Co-authored-by: Michael Schmidt <msrd0000@gmail.com>
Co-authored-by: Michael Schmidt <mitchi5000.ms@googlemail.com>

components.json

@@ -1313,6 +1313,18 @@
 			"title": "TOML",
 			"owner": "RunDevelopment"
 		},
+		"tremor": {
+			"title": "Tremor",
+			"alias": [
+				"trickle",
+				"troy"
+			],
+			"owner": "darach",
+			"aliasTitles": {
+				"trickle": "trickle",
+				"troy": "troy"
+			}
+		},
 		"turtle": {
 			"title": "Turtle",
 			"alias": "trig",

components/prism-tremor.js

@@ -0,0 +1,68 @@
+(function (Prism) {
+
+	Prism.languages.tremor = {
+		'comment': {
+			pattern: /(^|[^\\])(?:\/\*[\s\S]*?\*\/|(?:--|\/\/|#).*)/,
+			lookbehind: true
+		},
+		'interpolated-string': null, // see below
+		'extractor': {
+			pattern: /\b[a-z_]\w*\|(?:[^\r\n\\|]|\\(?:\r\n|[\s\S]))*\|/i,
+			greedy: true,
+			inside: {
+				'function': /^\w+/,
+				'regex': /\|[\s\S]+/,
+			}
+		},
+		'identifier': {
+			pattern: /`[^`]*`/,
+			greedy: true
+		},
+
+		'function': /\b[a-z_]\w*(?=\s*(?:::\s*<|\())\b/,
+
+		'keyword': /\b(?:event|state|select|create|define|deploy|operator|script|connector|pipeline|flow|config|links|connect|to|from|into|with|group|by|args|window|stream|tumbling|sliding|where|having|set|each|emit|drop|const|let|for|match|of|case|when|default|end|patch|insert|update|erase|move|copy|merge|fn|intrinsic|recur|use|as|mod)\b/,
+		'boolean': /\b(?:true|false|null)\b/i,
+
+		'number': /\b(?:0b[0-1_]*|0x[0-9a-fA-F_]*|\d[0-9_]*(?:\.\d[0-9_]*)?(?:[Ee][+-]?[0-9_]+)?)\b/,
+
+		'pattern-punctuation': {
+			pattern: /%(?=[({[])/,
+			alias: 'punctuation'
+		},
+		'operator': /[-+*\/%~!^]=?|=[=>]?|&[&=]?|\|[|=]?|<<?=?|>>?>?=?|(?:not|and|or|xor|present|absent)\b/,
+		'punctuation': /::|[;\[\]()\{\},.:]/,
+	};
+
+	var interpolationPattern = /#\{(?:[^"{}]|\{[^{}]*\}|"(?:[^"\\\r\n]|\\(?:\r\n|[\s\S]))*")*\}/.source;
+
+	Prism.languages.tremor['interpolated-string'] = {
+		pattern: RegExp(
+			/(^|[^\\])/.source +
+			'(?:' +
+			'"""(?:' + /[^"\\#]|\\[\s\S]|"(?!"")|#(?!\{)/.source + '|' + interpolationPattern + ')*"""' +
+			'|' +
+			'"(?:' + /[^"\\\r\n#]|\\(?:\r\n|[\s\S])|#(?!\{)/.source + '|' + interpolationPattern + ')*"' +
+			')'
+		),
+		lookbehind: true,
+		greedy: true,
+		inside: {
+			'interpolation': {
+				pattern: RegExp(interpolationPattern),
+				inside: {
+					'punctuation': /^#\{|\}$/,
+					'expression': {
+						pattern: /[\s\S]+/,
+						inside: Prism.languages.tremor
+					}
+				}
+			},
+			'string': /[\s\S]+/
+		}
+	};
+
+	Prism.languages.troy = Prism.languages['tremor'];
+	Prism.languages.trickle = Prism.languages['tremor'];
+
+}(Prism));

examples/prism-tremor.html

@@ -0,0 +1,82 @@
+<h2>Comments</h2>
+<pre><code># Single line comment
+### Module level documentation comment
+## Statement level documentation comment
+# Regular code comment
+</code></pre>
+
+<h2>Strings</h2>
+<pre><code>
+# double quote single line strings
+"foo \"bar\" baz"
+
+# heredocs or multiline strings
+"""
+{ "snot": "badger" }
+"""
+</code></pre>
+
+<h2>Variables</h2>
+<pre><code>
+# Immutable constants
+const snot = "fleek";
+
+# Mutable variables
+let badger = "flook";
+</code></pre>
+
+<h2>Operators</h2>
+<pre><code>
+merge {} of
+  { "snot": "badger" }
+end;
+
+patch {} of
+  insert snot = "badger"
+end;
+</code></pre>
+
+<h2>Functions and keywords</h2>
+<pre><code>
+fn fib_(a, b, n) of
+case (a, b, n) when n > 0 => recur(b, a + b, n - 1)
+default => a
+end;
+
+fn fib(n) with
+fib_(0, 1, n)
+end;
+
+fib(event)
+</code></pre>
+
+<h2>Queries</h2>
+<pre><code>
+	define script fib
+	script
+        fn fib_(a, b, n) of
+            case (a, b, n) when n > 0 => recur(b, a + b, n - 1)
+            default => a
+        end;
+
+        fn fib(n) with
+            fib_(0, 1, n)
+        end;
+
+		{ "fib": fib(event.n) }
+	end;
+
+	create script fib;
+	select event.n from in into fib;
+	select event from fib into out;
+</code></pre>
+
+<h2>Deployments</h2>
+<pre><code>
+define pipeline passthrough
+pipeline
+  select event from in into out;
+end;
+
+deploy pipeline passthrough;
+</code></pre>

plugins/autoloader/prism-autoloader.js

@@ -239,6 +239,8 @@
 		"sln": "solution-file",
 		"rq": "sparql",
 		"t4": "t4-cs",
+		"trickle": "tremor",
+		"troy": "tremor",
 		"trig": "turtle",
 		"ts": "typescript",
 		"tsconfig": "typoscript",

plugins/show-language/prism-show-language.js

@@ -227,6 +227,8 @@
 		"tap": "TAP",
 		"tt2": "Template Toolkit 2",
 		"toml": "TOML",
+		"trickle": "trickle",
+		"troy": "troy",
 		"trig": "TriG",
 		"ts": "TypeScript",
 		"tsconfig": "TSConfig",