Files
smnp-py/smnp/runtime/evaluators/map.py
2019-07-09 18:54:44 +02:00

19 lines
688 B
Python

from smnp.error.runtime import RuntimeException
from smnp.runtime.evaluator import Evaluator
from smnp.runtime.evaluators.expression import expressionEvaluator
from smnp.type.model import Type
class MapEvaluator(Evaluator):
@classmethod
def evaluator(cls, node, environment):
map = {}
exprEvaluator = expressionEvaluator(doAssert=True)
for entry in node.children:
key = exprEvaluator(entry.key, environment).value
if key in map:
raise RuntimeException(f"Duplicated key '{key.stringify()}' found in map", entry.pos)
map[key] = exprEvaluator(entry.value, environment).value
return Type.map(map)