Add a Python3 syntax model, based on the official Python BNF. See #80.

hydra-haskell/src/main/haskell/Hydra/Dsl/Grammars.hs

@@ -41,6 +41,14 @@ plus = G.PatternPlus
 regex :: String -> G.Pattern
 regex = G.PatternRegex . G.Regex
 
+-- | A helper which matches patterns like "foo.bar.quux" or "one; two; three; four"
+sep :: G.Pattern -> G.Pattern -> G.Pattern
+sep separator pat = list[pat, star(list[separator, pat])]
+
+-- | A helper which matches patterns like "foo.bar.quux" or "foo.bar.quux." (i.e. trailing separators are allowed)
+sepp :: G.Pattern -> G.Pattern -> G.Pattern
+sepp separator pat = list[pat, star(list[separator, pat]), opt(separator)]
+
 star :: G.Pattern -> G.Pattern
 star = G.PatternStar
 

hydra-haskell/src/main/haskell/Hydra/Sources/Tier4/All.hs

@@ -19,6 +19,7 @@ import Hydra.Sources.Tier4.Langs.Protobuf.Any
 import Hydra.Sources.Tier4.Langs.Protobuf.Language
 import Hydra.Sources.Tier4.Langs.Protobuf.Proto3
 import Hydra.Sources.Tier4.Langs.Protobuf.SourceContext
+import Hydra.Sources.Tier4.Langs.Python.Python3
 import Hydra.Sources.Tier4.Langs.Rdf.Syntax
 import Hydra.Sources.Tier4.Langs.RelationalModel
 import Hydra.Sources.Tier4.Langs.Scala.Meta
@@ -61,6 +62,7 @@ tier4LangModules = [
   protobufAnyModule,
   protobufLanguageModule,
   protobufSourceContextModule,
+  python3Module,
   rdfSyntaxModule,
   relationalModelModule,
   scalaMetaModule,

hydra-haskell/src/main/haskell/Hydra/Sources/Tier4/Langs/Cypher/OpenCypher.hs

@@ -13,7 +13,7 @@ cypherNs = Namespace "hydra/langs/cypher/openCypher"
 cypher = typeref cypherNs
 
 openCypherModule :: Module Kv
-openCypherModule = Module cypherNs elements [hydraCoreModule] $
+openCypherModule = Module cypherNs elements [] [hydraCoreModule] $
     Just "An OpenCypher query model based on the M23 EBNF grammar. See https://opencypher.org/resources."
   where
     def = datatype cypherNs