parser: improve stream_definition

Fixes #94

grammar.js

@@ -39,7 +39,8 @@ module.exports = grammar({
       $.property_definition,
       $.data_source_definition,
       $.event_definition,
-      $.dataset_definition
+      $.dataset_definition,
+      $.stream_definition
     ])
   ],
 
@@ -684,7 +685,8 @@ module.exports = grammar({
             $.variable_definition,
             $.query_definition,
             $.buffer_definition,
-            $.data_source_definition
+            $.data_source_definition,
+            $.stream_definition
           )
         )
       ),
@@ -781,8 +783,9 @@ module.exports = grammar({
     stream_definition: ($) =>
       seq(
         choice(kw("DEFINE"), kw("DEF")),
+        repeat(choice($.scope_tuning, $.access_tuning, $.serialization_tuning)),
         kw("STREAM"),
-        $.identifier,
+        field("name", $.identifier),
         $._terminator
       ),
 

test/corpus/basic.txt

@@ -1354,14 +1354,14 @@ OUTPUT TO VALUE(out).
 OUTPUT CLOSE.
 INPUT CLOSE.
 
-DEFINE STREAM i.
+DEFINE GLOBAL SHARED STREAM i.
 INPUT STREAM i FROM VALUE(in).
 INPUT CLOSE.
 
 INPUT STREAM-HANDLE hi FROM VALUE(in).
 INPUT CLOSE.
 
-DEFINE STREAM o.
+DEFINE NEW SHARED STREAM o.
 OUTPUT STREAM o TO "CLIPBOARD".
 OUTPUT CLOSE.
 
@@ -1386,7 +1386,9 @@ OUTPUT CLOSE.
   (output_close_statement)
   (input_close_statement)
   (stream_definition
-    (identifier))
+    (scope_tuning)
+    (scope_tuning)
+    name: (identifier))
   (input_stream_statement
     source: (identifier)
     target: (function_call
@@ -1404,7 +1406,9 @@ OUTPUT CLOSE.
           (identifier)))))
   (input_close_statement)
   (stream_definition
-    (identifier))
+    (scope_tuning)
+    (scope_tuning)
+    name: (identifier))
   (output_stream_statement
     source: (identifier)
     target: (string_literal))