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11 changes: 7 additions & 4 deletions fast64_internal/f3d/f3d_parser.py
Original file line number Diff line number Diff line change
Expand Up @@ -371,13 +371,16 @@ def math_eval(s, f3d):
def _eval(node):
if isinstance(node, ast.Expression):
return _eval(node.body)
elif isinstance(node, ast.Str):
return node.s
elif isinstance(node, ast.Constant):
if isinstance(node.value, str):
return node.value
elif isinstance(node.value, int):
return int(node.value)
else:
raise Exception("Unsupported constant type {}".format(type(node.value)))
elif isinstance(node, ast.Name):
if hasattr(f3d, node.id):
return getattr(f3d, node.id)
elif isinstance(node, ast.Num):
return node.n
elif isinstance(node, ast.UnaryOp):
if isinstance(node.op, ast.USub):
return -1 * _eval(node.operand)
Expand Down