Add Pyret support (#1032)

README.md

@@ -373,7 +373,7 @@ CSharp
 CShell
 Css
 Cuda
-CUE
+CUE
 Cython
 D
 D2
@@ -497,6 +497,7 @@ Protobuf
 PRQL
 PSL
 PureScript
+Pyret
 Python
 Qcl
 Qml

languages.json

@@ -1321,6 +1321,13 @@
       "multi_line_comments": [["{-", "-}"]],
       "extensions": ["purs"]
     },
+    "Pyret": {
+      "line_comment": ["#"],
+      "multi_line_comments": [["#|", "|#"]],
+      "quotes": [["\\\"", "\\\""], ["'", "'"]],
+      "extensions": ["arr"],
+      "nested": true
+    },
     "Python": {
       "line_comment": ["#"],
       "doc_quotes": [["\\\"\\\"\\\"", "\\\"\\\"\\\""], ["'''", "'''"]],

tests/data/pyret.arr

@@ -0,0 +1,22 @@
+# 22 lines 9 code 8 comments 5 blanks
+
+fun single-quote():
+  doc: "this is a documentation string"
+  'foo'
+end
+
+#|
+  Hello, this is a multiline message
+|#
+
+# This is a line message
+
+fun double-quotes():
+  "bar"
+end
+
+nested = #|
+  doesn't start yet
+  or yet
+|#
+"nested"