[gyb_syntax_support] Remove Python code specific to SwiftSyntaxBuilder

These functions/definitions have been migrated to the SwiftSyntax repository.

Author: ahoppen

utils/gyb_syntax_support/__init__.py

@@ -15,7 +15,6 @@
 from .StmtNodes import STMT_NODES  # noqa: I201
 from .Trivia import TRIVIAS  # noqa: I201
 from .TypeNodes import TYPE_NODES  # noqa: I201
-from .kinds import syntax_buildable_child_type
 
 
 # Re-export global constants
@@ -180,42 +179,3 @@ def _digest_trivia(trivia):
         _digest_trivia(trivia)
 
     return digest.hexdigest()
-
-
-def syntax_collection_element_to_collection_mapping():
-    """
-    Generates a lookup table to find syntax collection type by syntax collection
-    element type.
-
-    Example:
-    {
-        'SyntaxBuildable': [
-            'StringLiteralSegments', 
-            'PrecedenceGroupAttributeList', 
-            'AttributeList', 
-            'SpecializeAttributeSpecList', 
-            'SwitchCaseList'
-        ],
-        'IfConfigClause': [
-            'IfConfigClauseList'
-        ],
-    }
-    """
-    collection_map = {}
-
-    for node in SYNTAX_NODES:
-        if node.is_syntax_collection():
-            syntax_collection_syntax_kind = node.syntax_kind
-
-            syntax_child_type = syntax_buildable_child_type(
-                node.collection_element_type, 
-                node.collection_element, 
-                node.is_token())
-
-            if syntax_child_type not in collection_map:
-                collection_map[syntax_child_type] = []
-
-            collection_map[syntax_child_type] \
-                .append(syntax_collection_syntax_kind)
-
-    return collection_map

utils/gyb_syntax_support/kinds.py

@@ -38,27 +38,3 @@ def lowercase_first_word(name):
     if word_index == 0:
         return name
     return name[:word_index].lower() + name[word_index:]
-
-
-def syntax_buildable_child_type(type_name, syntax_kind, is_token, 
-                                is_optional=False):
-    if syntax_kind in SYNTAX_BASE_KINDS:
-        buildable_type = syntax_kind + 'Buildable'
-    elif not is_token:
-        buildable_type = syntax_kind
-    else:
-        buildable_type = type_name
-
-    if is_optional:
-        buildable_type += '?'
-
-    return buildable_type
-
-
-def syntax_buildable_default_init_value(child, token):
-    if child.is_optional:
-        return " = nil"
-    elif token and token.text:
-        return " = TokenSyntax.`%s`" % lowercase_first_word(token.name)
-    else:
-        return ""