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package org.zwobble.couscous.ast;
import org.zwobble.couscous.ast.visitors.ExpressionNodeMapper;
import org.zwobble.couscous.ast.visitors.NodeTransformer;
import java.util.List;
public class OperationNode implements ExpressionNode {
public static OperationNode operation(Operator operator, List<ExpressionNode> arguments, TypeName type) {
return new OperationNode(operator, arguments, type);
}
private final Operator operator;
private final List<ExpressionNode> arguments;
private TypeName type;
OperationNode(Operator operator, List<ExpressionNode> arguments, TypeName type) {
this.operator = operator;
this.arguments = arguments;
this.type = type;
}
public ExpressionNode desugar() {
return MethodCallNode.methodCall(
arguments.get(0),
operator.getMethodName(),
arguments.subList(1, arguments.size()),
type);
}
@Override
public TypeName getType() {
return type;
}
@Override
public <T> T accept(ExpressionNodeMapper<T> visitor) {
// TODO: Don't desugar
return desugar().accept(visitor);
}
@Override
public ExpressionNode transform(NodeTransformer transformer) {
return new OperationNode(
operator,
transformer.transformExpressions(arguments),
transformer.transform(type));
}
@Override
public String toString() {
return "OperationNode(" +
"operator=" + operator +
", arguments=" + arguments +
", type=" + type +
')';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
OperationNode that = (OperationNode) o;
if (operator != that.operator) return false;
if (!arguments.equals(that.arguments)) return false;
return type.equals(that.type);
}
@Override
public int hashCode() {
int result = operator.hashCode();
result = 31 * result + arguments.hashCode();
result = 31 * result + type.hashCode();
return result;
}
}
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