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master
Mark 2022-10-28 20:45:26 -07:00
parent 602bf52983
commit 03e742821d
Signed by: Mark
GPG Key ID: AD62BB059C2AAEE4
1 changed files with 1 additions and 2 deletions
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lamb/node.py
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@ -84,6 +84,7 @@ class TreeWalker:
class Node: class Node:
""" """
Generic class for an element of an expression tree. Generic class for an element of an expression tree.
All nodes are subclasses of this.
""" """
def __init__(self): def __init__(self):
@ -451,8 +452,6 @@ def bind_variables(node: Node, *, ban_macro_name = None) -> None:
# If this expression is part of a macro, # If this expression is part of a macro,
# make sure we don't reference it inside itself. # make sure we don't reference it inside itself.
#
# TODO: A chain of macros could be used to work around this. Fix that!
if isinstance(n, Macro) and ban_macro_name is not None: if isinstance(n, Macro) and ban_macro_name is not None:
if n.name == ban_macro_name: if n.name == ban_macro_name:
raise ReductionError("Macro cannot reference self") raise ReductionError("Macro cannot reference self")