import com.oracle.truffle.api.TruffleLanguage; //导入依赖的package包/类
public Context(Language language, TruffleLanguage.Env env) {
    this.language = language;
    this.globalFrame = Truffle.getRuntime().createMaterializedFrame(null);
    this.functions = new HashMap<>();

    set("*language*", "Java");
    set("*implementation*", "Truffle / " + Truffle.getRuntime().getName());
    set("*porters*", new String("Ragnar Dahlén".getBytes(), Charset.forName("ISO-8859-1")));
    set("*port*", "0.1");
    set("*stinput*", env.in());
    set("*stoutput*", env.out());
    set("*home-directory*", System.getProperty("user.dir"));

    for(NodeFactory nodeFactory : Builtins.NODE_FACTORIES) {
        installBuiltin(nodeFactory);
    }
}
 

import com.oracle.truffle.api.TruffleLanguage; //导入依赖的package包/类
public HBContext(TruffleLanguage.Env env, BufferedReader input, PrintWriter output) {
  this.env = env;
  this.input = input;
  this.output = output;
}
 

import com.oracle.truffle.api.TruffleLanguage; //导入依赖的package包/类
ParseResult(final TruffleLanguage<?> language, final SClass moduleClass) {
  super(language, null);
  this.moduleClass = moduleClass;
}
 

import com.oracle.truffle.api.TruffleLanguage; //导入依赖的package包/类
@Override
protected MagicContext createContext(com.oracle.truffle.api.TruffleLanguage.Env arg0) {
	return new MagicContext();
}
 

import com.oracle.truffle.api.TruffleLanguage; //导入依赖的package包/类
@Override
protected Object createContext(TruffleLanguage.Env env) {
    return new MumblerContext();
}