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#Copyright (c) 2013 Marion Zepf
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in
#all copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#THE SOFTWARE.
""" Extend the `ast` module to include comments """
import ast
class ExtraCode(ast.stmt):
"""Adds extra content to a primitive needed in Python code, e.g.,
changes to the turtle (e.g., prim_turtle) require the addition of
turtle = turtles.get_active_turtle()
Extends the Python abstract grammar by the following: stmt
= ExtraContent(string text) | ... """
_fields = ('text')
def __init__(self, text="", lineno=1, col_offset=0):
""" text -- the textual content of the comment, i.e. everything
directly following the hashtag until the next newline """
self.text = text
self.lineno = lineno
self.col_offset = col_offset
class Comment(ast.stmt):
""" An inline comment, starting with a hashtag (#).
Extends the Python abstract grammar by the following:
stmt = Comment(string text) | ... """
_fields = ('text')
def __init__(self, text="", lineno=1, col_offset=0):
""" text -- the textual content of the comment, i.e. everything
directly following the hashtag until the next newline """
self.text = text
self.lineno = lineno
self.col_offset = col_offset
class LambdaWithStrBody(ast.Lambda):
""" Lambda AST whose body is a simple string (not ast.Str).
Extends the Python abstract grammar by the following:
expr = LambdaWithStrBody(string body_str, expr* args) | ... """
def __init__(self, body_str="", args=[], lineno=1, col_offset=0):
self.body_str = body_str
self.args = args
self.lineno = lineno
self.col_offset = col_offset
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