AnimExpression::OpCode AnimExpression::evaluate(const AnimVariantMap& map) const {
std::stack<OpCode> stack;
for (auto& opCode : _opCodes) {
switch (opCode.type) {
case OpCode::Identifier:
case OpCode::Int:
case OpCode::Float:
case OpCode::Bool:
stack.push(opCode);
break;
case OpCode::And: evalAnd(map, stack); break;
case OpCode::Or: evalOr(map, stack); break;
case OpCode::GreaterThan: evalGreaterThan(map, stack); break;
case OpCode::GreaterThanEqual: evalGreaterThanEqual(map, stack); break;
case OpCode::LessThan: evalLessThan(map, stack); break;
case OpCode::LessThanEqual: evalLessThanEqual(map, stack); break;
case OpCode::Equal: evalEqual(map, stack); break;
case OpCode::NotEqual: evalNotEqual(map, stack); break;
case OpCode::Not: evalNot(map, stack); break;
case OpCode::Subtract: evalSubtract(map, stack); break;
case OpCode::Add: evalAdd(map, stack); break;
case OpCode::Multiply: evalMultiply(map, stack); break;
case OpCode::Divide: evalDivide(map, stack); break;
case OpCode::Modulus: evalModulus(map, stack); break;
case OpCode::UnaryMinus: evalUnaryMinus(map, stack); break;
}
}
return coerseToValue(map, stack.top());
}
ExpressionResult* BinaryExpression::eval(const BSONObj& bson) {
switch (_oper) {
case FO_EQUALS:
return evalEqual(bson, _left, _right);
case FO_NOT_EQUALS:
return evalNotEqual(bson, _left, _right);
case FO_AND:
case FO_OR:
return evalAndOr(bson, _oper, _left, _right);
case FO_LESSTHAN:
case FO_LESSEQUALTHAN:
case FO_GREATERTHAN:
case FO_GREATEREQUALTHAN:
return evalComparison(bson, _oper, _left, _right);
}
}
