def parse_coco_string(data):
input_stream = antlr4.FileStream(data)
l = lexer.cocoLexer(input_stream)
stream = antlr4.CommonTokenStream(l)
p = parser.cocoParser(stream)
tree = p.stylesheet()
visitor = builder.CocoCustomVisitor()
convention_set = visitor.visitStylesheet(tree)
return convention_set
def try_get_coco_ast():
input_stream = antlr4.FileStream(sys.argv[2])
lexer = cocoLexer.cocoLexer(input_stream)
stream = antlr4.CommonTokenStream(lexer)
parser = cocoParser.cocoParser(stream)
parser.removeParseListeners()
error_listener = listener.CocoErrorListener()
parser.addErrorListener(error_listener)
tree = parser.stylesheet()
if error_listener.has_errors():
return False, error_listener.print_errors()
visitor = ast.CocoCustomVisitor()
convention_set = visitor.visitStylesheet(tree)
return True, convention_set
