Files
smnp-py/smnp/runtime/evaluators/expression.py
2019-07-12 18:59:59 +02:00

39 lines
2.0 KiB
Python

from smnp.ast.node.atom import StringLiteral, IntegerLiteral, NoteLiteral, BoolLiteral, TypeLiteral
from smnp.ast.node.identifier import FunctionCall
from smnp.error.runtime import RuntimeException
from smnp.runtime.evaluator import Evaluator
from smnp.type.model import Type
def expressionEvaluator(doAssert=False):
def evaluateExpression(node, environment):
from smnp.runtime.evaluators.atom import StringEvaluator
from smnp.runtime.evaluators.atom import TypeEvaluator
from smnp.runtime.evaluators.atom import IntegerEvaluator
from smnp.runtime.evaluators.atom import NoteEvaluator
from smnp.runtime.evaluators.atom import BoolEvaluator
from smnp.runtime.evaluators.function import FunctionCallEvaluator
result = Evaluator.oneOf(
Evaluator.forNodes(FunctionCallEvaluator.evaluate, FunctionCall),
Evaluator.forNodes(StringEvaluator.evaluate, StringLiteral),
Evaluator.forNodes(IntegerEvaluator.evaluate, IntegerLiteral),
Evaluator.forNodes(NoteEvaluator.evaluate, NoteLiteral),
Evaluator.forNodes(BoolEvaluator.evaluate, BoolLiteral),
Evaluator.forNodes(TypeEvaluator.evaluate, TypeLiteral),
# Evaluator.forNodes(IdentifierEvaluator.evaluate, Identifier),
# Evaluator.forNodes(ListEvaluator.evaluate, List),
# Evaluator.forNodes(AccessEvaluator.evaluate, LeftAssociativeOperatorNode),
# Evaluator.forNodes(AssignmentEvaluator.evaluate, AssignmentNode),
# Evaluator.forNodes(AsteriskEvaluator.evaluate, AsteriskNode),
# Evaluator.forNodes(MapEvaluator.evaluate, MapNode)
)(node, environment)
if doAssert and result.result and result.value.type == Type.VOID:
raise RuntimeException(f"Expected expression", node.pos)
return result
return evaluateExpression