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package org.zwobble.couscous.interpreter.values;
import org.zwobble.couscous.ast.Operator;
import org.zwobble.couscous.interpreter.errors.NoSuchField;
import org.zwobble.couscous.interpreter.types.InterpreterType;
import org.zwobble.couscous.interpreter.types.IntrinsicInterpreterType;
import org.zwobble.couscous.types.Types;
import org.zwobble.couscous.values.PrimitiveValue;
import org.zwobble.couscous.values.PrimitiveValues;
import java.util.Optional;
import static org.zwobble.couscous.util.ExtraLists.list;
public final class BooleanInterpreterValue implements InterpreterValue {
public static final BooleanInterpreterValue TRUE = new BooleanInterpreterValue(true);
public static final BooleanInterpreterValue FALSE = new BooleanInterpreterValue(false);
public static BooleanInterpreterValue of(final boolean value) {
return value ? TRUE : FALSE;
}
private static final InterpreterType TYPE = IntrinsicInterpreterType.builder(BooleanInterpreterValue.class, "boolean")
.method(Operator.BOOLEAN_NOT.getSymbol(), list(), Types.BOOLEAN, (environment, arguments) ->
of(!arguments.getReceiver().getValue()))
.method(Operator.BOOLEAN_AND.getSymbol(), list(Types.BOOLEAN), Types.BOOLEAN, (environment, arguments) -> {
BooleanInterpreterValue right = (BooleanInterpreterValue)arguments.get(0);
return of(arguments.getReceiver().getValue() && right.getValue());
})
.method(Operator.BOOLEAN_OR.getSymbol(), list(Types.BOOLEAN), Types.BOOLEAN, (environment, arguments) -> {
BooleanInterpreterValue right = (BooleanInterpreterValue)arguments.get(0);
return of(arguments.getReceiver().getValue() || right.getValue());
})
.build();
private final boolean value;
private BooleanInterpreterValue(final boolean value) {
this.value = value;
}
public boolean getValue() {
return value;
}
@Override
public InterpreterType getType() {
return TYPE;
}
@Override
public Optional<PrimitiveValue> toPrimitiveValue() {
return Optional.of(PrimitiveValues.value(value));
}
@Override
public InterpreterValue getField(String fieldName) {
throw new NoSuchField(fieldName);
}
@Override
public void setField(String fieldName, InterpreterValue value) {
throw new NoSuchField(fieldName);
}
@java.lang.Override
public boolean equals(final java.lang.Object o) {
if (o == this) return true;
if (!(o instanceof BooleanInterpreterValue)) return false;
final BooleanInterpreterValue other = (BooleanInterpreterValue)o;
if (this.getValue() != other.getValue()) return false;
return true;
}
@java.lang.Override
public int hashCode() {
final int PRIME = 59;
int result = 1;
result = result * PRIME + (this.getValue() ? 79 : 97);
return result;
}
@java.lang.Override
public java.lang.String toString() {
return "BooleanInterpreterValue(value=" + this.getValue() + ")";
}
}
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