crafting-interpreters/src/com/craftinginterpreters/lox/LoxClass.java

38 lines
800 B
Java

package com.craftinginterpreters.lox;
import java.util.List;
import java.util.Map;
class LoxClass implements LoxCallable {
final String name;
private final Map<String, LoxFunction> methods;
LoxClass(String name, Map<String, LoxFunction> methods) {
this.name = name;
this.methods = methods;
}
LoxFunction findMethod(String name) {
if (methods.containsKey(name)) {
return methods.get(name);
}
return null;
}
@Override
public String toString() {
return name;
}
@Override
public Object call(Interpreter interpreter, List<Object> arguments) {
LoxInstance instance = new LoxInstance(this);
return instance;
}
@Override
public int arity() {
return 0;
}
}