FunctionCall.java

import java.util.Objects;

class FunctionCall {
 String name;
 int line;
 int column;
 int numArgs;


 public FunctionCall(String name, int line, int column, int numArgs) {
 this.name = name;
 this.line = line;
 this.column = column;
 this.numArgs = numArgs;
 }

 @Override
 public boolean equals(Object o) {
 if (this == o) return true;
 if (o == null || getClass() != o.getClass()) return false;
 FunctionCall that = (FunctionCall) o;
 return line == that.line &&
 column == that.column &&
 numArgs == that.numArgs &&
 name.equals(that.name);
 }

 @Override
 public int hashCode() {
 return Objects.hash(name, line, column, numArgs);
 }
}