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A simple parser and grammar definition library

Project description

Introduction

Alteraparser is a library that provides functions to define a grammar that can be passed to a parser.

Basic Usage

Code sample:

from alteraparser.parser import Parser
from alteraparser import char_range, fork, many, grammar, ...

ALPHA = fork(char_range('a', 'z'), char_range('A', 'Z'))
NUM = char_range('0', '9')
ALPHA_NUM = fork(ALPHA, NUM)
...

variable = fork([ALPHA, many(ALPHA_NUM)]).set_name('var')
...
my_grammar = grammar(variable, ...)

my_parser = Parser(my_grammar)
ast = my_parser.parse_file("my_code.txt")

Changes

0.5.0.a2:
  • added transform_ast method to enable transformation of AST nodes

Project details


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Files for alteraparser, version 1.1.0
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