Add syntax highlighting for microo

cmd/hopp-generate/main.go

@@ -55,7 +55,7 @@ func main() {
 	}
 	_, err = generator.Generate(protocol)
 	handleErr(command, 1, err)
-	command.Println(output, "OK")
+	command.Println(destination, "OK")
 }
 
 func handleErr(command *cli.Cli, code int, err error) {

pdl.yaml

@@ -0,0 +1,20 @@
+filetype: pdl
+
+detect:
+        filename: "\\.pdl$"
+
+rules:
+        - preproc: "\\bM[0-9a-fA-F]{4}\\b"
+
+        - type: "\\b((U|I)(5|8|16|32|64|128|256)|F(16|32|64|128|256)|Bool|String|Buffer|Table|Any)\\b"
+
+        - symbol.brackets: "(\\{|\\}|\\[\\])"
+        - symbol.operator: "\\?"
+
+        - constant.number: "\\b[0-9a-fA-F]{4}\\b"
+
+        - comment:
+                start: "//"
+                end: "$"
+                rules:
+                        - todo: "(TODO|XXX|FIXME|BUG):?"