kinds.py

"""
All the known base syntax kinds. These will all be considered non-final classes
and other types will be allowed to inherit from them.
"""
SYNTAX_BASE_KINDS= ['Decl', 'Expr', 'Pattern', 'Stmt',
'Syntax', 'SyntaxCollection', 'Type']


defkind_to_type(kind):
"""
 Converts a SyntaxKind to a type name, checking to see if the kind is
 Syntax or SyntaxCollection first.
 A type name is the same as the SyntaxKind name with the suffix "Syntax"
 added.
 """
ifkindin ["Syntax", "SyntaxCollection"]:
returnkind
ifkind.endswith("Token"):
return"TokenSyntax"
returnkind+"Syntax"


deflowercase_first_word(name):
"""
 Lowercases the first word in the provided camelCase or PascalCase string.
 EOF -> eof
 IfKeyword -> ifKeyword
 EOFToken -> eofToken
 """
word_index=0
threshold_index=1
forcinname:
ifc.islower():
ifword_index>threshold_index:
word_index-=1
break
word_index+=1
ifword_index==0:
returnname
returnname[:word_index].lower() +name[word_index:]