Raphael Forment
0816ac65db
The ziffers.lark file is not included in the installed package. This was preventing users from importing the ziffers package from elsewhere.
54 lines
1.2 KiB
Python
54 lines
1.2 KiB
Python
""" Module for the parser """
|
|
from pathlib import Path
|
|
from lark import Lark
|
|
from .classes import Ziffers
|
|
from .mapper import ZiffersTransformer
|
|
|
|
|
|
grammar_path = Path(__file__).parent
|
|
grammar_folder = Path.joinpath(grammar_path, "spec")
|
|
grammar_file = Path.joinpath(grammar_folder, "ziffers.lark")
|
|
|
|
ziffers_parser = Lark.open(
|
|
str(grammar_file),
|
|
rel_to=__file__,
|
|
start="root",
|
|
parser="lalr",
|
|
transformer=ZiffersTransformer(),
|
|
)
|
|
|
|
|
|
def parse_expression(expr: str) -> Ziffers:
|
|
"""Parse an expression using the Ziffers parser
|
|
|
|
Args:
|
|
expr (str): Ziffers expression as a string
|
|
|
|
Returns:
|
|
Ziffers: Reutrns Ziffers iterable
|
|
"""
|
|
return ziffers_parser.parse(expr)
|
|
|
|
|
|
def zparse(expr: str, **opts) -> Ziffers:
|
|
"""Parses ziffers expression with options
|
|
|
|
Args:
|
|
expr (str): Ziffers expression as a string
|
|
opts (dict, optional): Options for parsing the Ziffers expression. Defaults to None.
|
|
|
|
Returns:
|
|
Ziffers: Returns Ziffers iterable parsed with the given options
|
|
"""
|
|
parsed = parse_expression(expr)
|
|
parsed.init_opts(opts)
|
|
return parsed
|
|
|
|
|
|
# pylint: disable=invalid-name
|
|
|
|
|
|
def z(expr: str, **opts) -> Ziffers:
|
|
"""Shortened method name for zparse"""
|
|
return zparse(expr, **opts)
|