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package com.craftinginterpreters.lox;
import java.util.HashMap;
import java.util.Map;
class LoxInstance {
private LoxClass klass;
private final Map<String, Object> fields = new HashMap<>();
LoxInstance(LoxClass klass) {
this.klass = klass;
}
Object get(Token name) {
if (fields.containsKey(name.lexeme)) {
return fields.get(name.lexeme);
}
LoxFunction method = klass.findMethod(name.lexeme);
if (method != null)
return method.bind(this);
throw new RuntimeError(name, "Undefined proprety '" + name.lexeme + "'.");
}
void set(Token name, Object value) {
fields.put(name.lexeme, value);
}
@Override
public String toString() {
return klass.name + " instance";
}
}
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