# SPDX-License-Identifier: Apache-2.0
#
# This file is part of the M2-ISA-R project: https://github.com/tum-ei-eda/M2-ISA-R
#
# Copyright (C) 2022
# Chair of Electrical Design Automation
# Technical University of Munich
"""Very crude expression evaluation functions for use during model generation."""
from ... import M2ValueError
from ...metamodel import arch, behav
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def group(self: behav.Group, context):
return self.expr.generate(context)
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def int_literal(self: behav.IntLiteral, context):
return self.value
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def named_reference(self: behav.NamedReference, context):
if isinstance(self.reference, arch.Constant) and self.reference.value is not None:
return self.reference.value
raise M2ValueError("non-interpretable value encountered")
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def indexed_reference(self: behav.IndexedReference, context):
idx = self.index.generate(context)
return self.reference._initval[idx]
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def binary_operation(self: behav.BinaryOperation, context):
left = self.left.generate(context)
right = self.right.generate(context)
return int(eval(f"{left}{self.op.value}{right}"))
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def unary_operation(self: behav.UnaryOperation, context):
right = self.right.generate(context)
return int(eval(f"{self.op.value}{right}"))