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#249-Front-End Intermediate Code Enhancement
Added two modules, fixed a typo in a third module.
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# -*- coding: utf-8 -*- | ||
""" | ||
Copyright (c) 2018-2019 Philippe Schmouker, Typee project, http://www.typee.ovh | ||
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. | ||
""" | ||
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#============================================================================= | ||
from FrontEnd.IntermediateCode.fe_icnode import FEICNode | ||
from FrontEnd.IntermediateCode.fe_icleaf import FEICLeaf | ||
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#============================================================================= | ||
class FEICBlock( FEICNode ): | ||
""" | ||
The class of blocks of tokens in Intermediate Code trees. | ||
""" | ||
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#------------------------------------------------------------------------- | ||
def __init__(self) -> None: ##, parent:FEICNode=None): | ||
''' | ||
Constructor. | ||
''' | ||
super().__init__( [] ) ## content is an empty list (of FEICNode-s) | ||
##self.parent = parent | ||
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#------------------------------------------------------------------------- | ||
def __iadd__(self, ic_node: FEICNode): | ||
''' | ||
Appends a new node into this block. | ||
''' | ||
self.content.append( ic_node ) | ||
return self | ||
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#------------------------------------------------------------------------- | ||
def walk(self) -> None: | ||
''' | ||
Walks through the list of nodes contained within | ||
this block. | ||
Walk-through is depth-first implemented. | ||
Returns: | ||
every content of the leaves in this block, | ||
in a depth-first walking through manner. | ||
''' | ||
for icnode in self.content: | ||
yield from icnode.walk() | ||
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#===== end of FrontEnd.IntermediateCode.fe_icblock =====# |
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# -*- coding: utf-8 -*- | ||
""" | ||
Copyright (c) 2018-2019 Philippe Schmouker, Typee project, http://www.typee.ovh | ||
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. | ||
""" | ||
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#============================================================================= | ||
#no imports | ||
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#============================================================================= | ||
class FEICNode: | ||
""" | ||
Basic interface for all types of nodes in Intermediate Code Trees. | ||
This is a virtual item of a mental construction. It might be later suppressed! | ||
""" | ||
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#------------------------------------------------------------------------- | ||
def __init__(self, content=None) -> None: | ||
''' | ||
Cnstructor. | ||
Args: | ||
content: | ||
A reference to the content to be associated with this IC node. | ||
''' | ||
self.content = content | ||
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#------------------------------------------------------------------------- | ||
def set_parent(self, parent: FEICNode): | ||
''' | ||
Sets the parent of this node. | ||
''' | ||
self.parent = parent | ||
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#------------------------------------------------------------------------- | ||
def walk(self) -> None: | ||
''' | ||
Walks through the list of nodes contained within this block. | ||
Walk-through is depth-first implemented. | ||
HAS TO BE IMPLEMENTED IN INHERITING CLASSES. | ||
''' | ||
raise NotImplementedError() | ||
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#===== end of FrontEnd.IntermediateCode.fe_icnode =====# |