add in graph database support (#654)

Author: boyter

LANGUAGES.md

@@ -72,6 +72,7 @@ Crystal (cr)
 CSS (css)
 CSV (csv)
 Cuda (cu)
+Cypher (cypher,cql)
 Cython (pyx,pxi,pxd)
 D (d)
 DAML (daml)
@@ -122,6 +123,7 @@ Go+ (gop)
 Godot Scene (tscn)
 Gradle (gradle)
 GraphQL (graphql)
+Gremlin (gremlin)
 Groovy (groovy,grt,gtpl,gvy)
 Gwion (gw)
 HAML (haml)

SCC-OUTPUT-REPORT.html

@@ -13,23 +13,23 @@
 	<tbody><tr>
 		<th>Go</th>
 		<th>27</th>
-		<th>23414</th>
+		<th>23501</th>
 		<th>1456</th>
 		<th>439</th>
-		<th>21519</th>
+		<th>21606</th>
 		<th>1423</th>
-		<th>456460</th>
-		<th>6380</th>
+		<th>457896</th>
+		<th>6406</th>
 	</tr><tr>
 		<td>processor/constants.go</td>
 		<td></td>
-		<td>13480</td>
+		<td>13567</td>
 		<td>1</td>
 		<td>2</td>
-		<td>13477</td>
+		<td>13564</td>
 		<td>0</td>
-		<td>211234</td>
-		<td>2066</td>
+		<td>212670</td>
+		<td>2092</td>
 	</tr><tr>
 		<td>processor/formatters_test.go</td>
 		<td></td>
@@ -250,16 +250,6 @@
 		<td>0</td>
 		<td>2209</td>
 		<td>35</td>
-	</tr><tr>
-		<td>processor/bloom.go</td>
-		<td></td>
-		<td>37</td>
-		<td>7</td>
-		<td>12</td>
-		<td>18</td>
-		<td>2</td>
-		<td>1062</td>
-		<td>29</td>
 	</tr><tr>
 		<td>processor/cocomo_test.go</td>
 		<td></td>
@@ -270,6 +260,16 @@
 		<td>6</td>
 		<td>686</td>
 		<td>23</td>
+	</tr><tr>
+		<td>processor/bloom.go</td>
+		<td></td>
+		<td>37</td>
+		<td>7</td>
+		<td>12</td>
+		<td>18</td>
+		<td>2</td>
+		<td>1062</td>
+		<td>29</td>
 	</tr><tr>
 		<td>processor/helpers_test.go</td>
 		<td></td>
@@ -294,15 +294,15 @@
 	<tfoot><tr>
 		<th>Total</th>
 		<th>27</th>
-		<th>23414</th>
+		<th>23501</th>
 		<th>1456</th>
 		<th>439</th>
-		<th>21519</th>
+		<th>21606</th>
 		<th>1423</th>
-		<th>456460</th>
-		<th>6380</th>
+		<th>457896</th>
+		<th>6406</th>
 	</tr>
 	<tr>
-		<th colspan="9">Estimated Cost to Develop (organic) $677,732<br>Estimated Schedule Effort (organic) 11.86 months<br>Estimated People Required (organic) 5.08<br></th>
+		<th colspan="9">Estimated Cost to Develop (organic) $680,610<br>Estimated Schedule Effort (organic) 11.88 months<br>Estimated People Required (organic) 5.09<br></th>
 	</tr></tfoot>
 	</table></body></html>

examples/language/cypher.cypher

@@ -0,0 +1,28 @@
+// movies.cypher
+// Example query to test scc complexity definitions for Cypher.
+
+/*
+  This multi-line block explains the query's purpose.
+  It finds actors who co-starred with "Tom Hanks" and then
+  looks for paths of up to 5 steps to "Kevin Bacon".
+*/
+
+// Find Tom Hanks' co-actors
+MATCH (tom:Actor {name: 'Tom Hanks'})-[:ACTED_IN]->(m:Movie)<-[:ACTED_IN]-(coActor:Actor)
+WHERE coActor.name <> "Tom Hanks"
+
+// Now, check for a connection to Kevin Bacon
+WITH coActor
+MATCH (bacon:Actor {name: "Kevin Bacon"})
+// This is a variable-length path, indicating higher complexity
+MATCH p = shortestPath((coActor)-[*..5]-(bacon))
+
+// UNION is another complexity check
+UNION
+
+// An optional match for actors born after 1960
+MATCH (youngActor:Actor)
+WHERE youngActor.born > 1960
+OPTIONAL MATCH (youngActor)-[:DIRECTED]->(anyMovie:Movie)
+
+RETURN youngActor.name, anyMovie.title;

examples/language/gremlin.gremlin

@@ -0,0 +1,31 @@
+// social_graph.gremlin
+// Example traversal to test scc complexity definitions for Gremlin.
+
+// Find a person named "Marko" and get his age
+marko = g.V().has('person','name','marko').values('age')
+
+// This traversal finds Marko's friends and their friends,
+// but emits the path along the way, which adds complexity.
+g.V().has('person', 'name', 'marko').
+  repeat(out('knows')).
+  emit().
+  path().by('name')
+
+// A more complex query to find people Marko knows who are over 30
+// and also know someone who created software.
+// The .where() and .and() steps increase complexity.
+g.V().has('person','name','marko').out('knows').as('friend').
+  where(
+    values('age').is(gt(30))
+  ).
+  and(
+    out('created').has('name', 'lop')
+  ).
+  values('name')
+
+// Using .union() to combine two different traversal paths
+g.V().has('person','name','josh').
+  union(
+    out('created').values('name'), // what he created
+    in('created').values('name')   // who created things with him
+  )

languages.json

@@ -2856,6 +2856,61 @@
     "multi_line": [["{{/*", "*/}}"]],
     "quotes": []
   },
+  "Cypher": {
+    "complexitychecks": [
+      "MATCH",
+      "OPTIONAL MATCH",
+      "WHERE",
+      "UNION",
+      "CALL",
+      "UNWIND",
+      "STARTS WITH",
+      "ENDS WITH",
+      "CONTAINS",
+      "shortestPath",
+      "allShortestPaths",
+      "-[*..]->"
+    ],
+    "extensions": ["cypher", "cql"],
+    "line_comment": ["//"],
+    "multi_line": [["/*", "*/"]],
+    "quotes": [
+      {
+        "end": "'",
+        "start": "'"
+      },
+      {
+        "end": "\"",
+        "start": "\""
+      }
+    ]
+  },
+  "Gremlin": {
+    "complexitychecks": [
+      ".where(",
+      ".union(",
+      ".repeat(",
+      ".emit(",
+      ".and(",
+      ".or(",
+      ".not(",
+      ".as(",
+      ".by("
+    ],
+    "extensions": ["gremlin"],
+    "line_comment": ["//"],
+    "multi_line": [],
+    "quotes": [
+      {
+        "end": "'",
+        "start": "'"
+      },
+      {
+        "end": "\"",
+        "start": "\""
+      }
+    ]
+  },
   "Godot Scene": {
     "complexitychecks": [],
     "extensions": ["tscn"],

processor/constants.go

@@ -879,6 +879,7 @@ specificLanguages=(
     'Clojure '
     'CMake '
     'Cuda '
+    'Cypher'
     'DAML '
     'DM '
     'Docker ignore '
@@ -899,6 +900,7 @@ specificLanguages=(
     'Go+ '
     'Godot Scene '
     'GraphQL '
+    'Gremlin '
     'Gwion '
     'HAML '
     'Hare '