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saulfield/ometa-examples.py

Created December 20, 2018 04:57
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ometa-examples.py
optimize_grammar = r"""
inc_chain = ['INC':op anything:n]+:xs -> (op, sum([x[1] for x in xs]))
dec_chain = ['DEC':op anything:n]+:xs -> (op, sum([x[1] for x in xs]))
add_chain = ['ADD':op anything:n]+:xs -> (op, sum([x[1] for x in xs]))
sub_chain = ['SUB':op anything:n]+:xs -> (op, sum([x[1] for x in xs]))
slice = inc_chain | dec_chain | add_chain | sub_chain | [anything:op anything:arg]
bytecode = slice*
"""
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