61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
"""
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GTSAM Copyright 2010-2020, Georgia Tech Research Corporation,
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Atlanta, Georgia 30332-0415
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All Rights Reserved
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See LICENSE for the license information
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Classes and rules for declarations such as includes and forward declarations.
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Author: Duy Nguyen Ta, Fan Jiang, Matthew Sklar, Varun Agrawal, and Frank Dellaert
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"""
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from pyparsing import CharsNotIn, Optional
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from .tokens import (CLASS, COLON, INCLUDE, LOPBRACK, ROPBRACK, SEMI_COLON,
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VIRTUAL)
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from .type import Typename
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class Include:
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"""
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Rule to parse #include directives.
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"""
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rule = (INCLUDE + LOPBRACK + CharsNotIn('>')("header") +
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ROPBRACK).setParseAction(lambda t: Include(t.header))
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def __init__(self, header: CharsNotIn, parent: str = ''):
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self.header = header
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self.parent = parent
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def __repr__(self) -> str:
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return "#include <{}>".format(self.header)
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class ForwardDeclaration:
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"""
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Rule to parse forward declarations in the interface file.
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"""
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rule = (Optional(VIRTUAL("is_virtual")) + CLASS + Typename.rule("name") +
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Optional(COLON + Typename.rule("parent_type")) +
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SEMI_COLON).setParseAction(lambda t: ForwardDeclaration(
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t.name, t.parent_type, t.is_virtual))
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def __init__(self,
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name: Typename,
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parent_type: str,
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is_virtual: str,
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parent: str = ''):
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self.name = name
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if parent_type:
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self.parent_type = Typename.from_parse_result(parent_type)
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else:
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self.parent_type = ''
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self.is_virtual = is_virtual
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self.parent = parent
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def __repr__(self) -> str:
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return "ForwardDeclaration: {} {}({})".format(self.is_virtual,
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self.name, self.parent)
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