Examples of org.luaj.vm2.LuaClosure

org.luaj.vm2.LuaValue
Extension of {@link LuaFunction} which executes lua bytecode.
A {@link LuaClosure} is a combination of a {@link Prototype} and a {@link LuaValue} to use as an environment for execution.
There are three main ways {@link LuaClosure} instances are created:
- Construct an instance using {@link #LuaClosure(Prototype,LuaValue)}
- Construct it indirectly by loading a chunk via {@link LuaCompiler#load(java.io.InputStream,String,LuaValue)}
- Execute the lua bytecode {@link Lua#OP_CLOSURE} as part of bytecode processing
To construct it directly, the {@link Prototype} is typically created via a compiler such as {@link LuaC}:
```
  {@code InputStream is = new ByteArrayInputStream("print('hello,world').getBytes()); Prototype p = LuaC.instance.compile(is, "script"); LuaValue _G = JsePlatform.standardGlobals() LuaClosure f = new LuaClosure(p, _G);}
```
To construct it indirectly, the {@link LuaC} compiler may be used, which implements the {@link LuaCompiler} interface:
```
  {@code LuaFunction f = LuaC.instance.load(is, "script", _G);}
```
Typically, a closure that has just been loaded needs to be initialized by executing it, and its return value can be saved if needed:
```
  {@code LuaValue r = f.call(); _G.set( "mypkg", r ) }
```
In the preceding, the loaded value is typed as {@link LuaFunction} to allow for the possibility of other compilers such as {@link LuaJC}producing {@link LuaFunction} directly without creating a {@link Prototype} or {@link LuaClosure}.
Since a {@link LuaClosure} is a {@link LuaFunction} which is a {@link LuaValue}, all the value operations can be used directly such as:
- {@link LuaValue#setfenv(LuaValue)}
- {@link LuaValue#call()}
- {@link LuaValue#call(LuaValue)}
- {@link LuaValue#invoke()}
- {@link LuaValue#invoke(Varargs)}
- {@link LuaValue#method(String)}
- {@link LuaValue#method(String,LuaValue)}
- {@link LuaValue#invokemethod(String)}
- {@link LuaValue#invokemethod(String,Varargs)}
- ...
@see LuaValue @see LuaFunction @see LuaValue#isclosure() @see LuaValue#checkclosure() @see LuaValue#optclosure(LuaClosure) @see LoadState @see LoadState#compiler

        }
        return table;
    }


    private LuaTable luaDataForNamespace(INamespaceValue namespaceValue) {
        LuaTable ns = new LuaTable();
        ns.set("id", namespaceValue.getCode().code);
        ns.set("name", namespaceValue.getPrimaryText().replace('_', ' '));
        ns.set("canonicalName", namespaceValue.getCanonicalName().replace('_', ' '));
        ns.set("hasSubpages", LuaValue.valueOf(namespaceValue.hasSubpages()));
        ns.set("hasGenderDistinction", LuaValue.valueOf(namespaceValue.hasGenderDistinction()));
        ns.set("isCapitalized", LuaValue.valueOf(namespaceValue.isCapitalized()));
        ns.set("isContent", LuaValue.valueOf(namespaceValue.isContent()));
        ns.set("isIncludable", LuaValue.valueOf(namespaceValue.isIncludable()));
        ns.set("isMovable", LuaValue.valueOf(namespaceValue.isMovable()));
        ns.set("isSubject", LuaValue.valueOf(namespaceValue.isSubject()));
        ns.set("isTalk", LuaValue.valueOf(namespaceValue.isTalk()));
        ns.set("defaultContentModel", NIL);


        LuaValue[] aliases = new LuaValue[namespaceValue.getTexts().size()-1];
        for (int i=0; i<namespaceValue.getTexts().size()-1; i++) {
            aliases[i] = LuaValue.valueOf(namespaceValue.getTexts().get(i+1));
        }
        ns.set("aliases", LuaValue.listOf(aliases));


        if (namespaceValue.getCode().code >= INamespace.NamespaceCode.MAIN_NAMESPACE_KEY.code) {
            ns.set("subject",    namespaceValue.getContentspace().getCode().code);
            ns.set("talk",       namespaceValue.getTalkspace().getCode().code);
            Namespace.NamespaceValue associated = namespaceValue.getAssociatedspace();
            if (associated != null) {
                ns.set("associated", associated.getCode().code);
            } else {
                ns.set("associated", NIL);
            }
        } else {
            ns.set("subject", namespaceValue.getCode().code);
        }
        return ns;
    }

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        return "mw.uri";
    }


    @Override
    public LuaTable getInterface() {
        LuaTable iface = new LuaTable();
        iface.set("anchorEncode", anchorEncode());
        iface.set("localUrl", localUrl());
        iface.set("fullUrl", fullUrl());
        iface.set("canonicalUrl", canonicalUrl());
        return iface;
    }

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        };
    }


    @Override
    public LuaValue getSetupOptions() {
        LuaTable options = new LuaTable();
        return options;
    }

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    private String formatQuery(LuaValue page, LuaValue query) {
        if (query.isstring()) {
            return wgScript + "?title="+page.checkstring()+"&"+query.checkjstring();
        } else if (query.istable()) {
            LuaTable params = query.checktable();


            String base = wgScript + "?title="+page.checkstring()+"&";
            for (LuaValue key : params.keys()) {
                base += (key.tojstring() + "=" + params.get(key).tojstring());
            }
            return base;
        } else {
            throw new AssertionError("unexpected type: "+query);
        }

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    this.instance = instance;
    instance.load(new MetaLib(instance));
  }


  public LuaValue call(LuaValue env) {
    LuaTable meta = new LuaTable(0,2);
    meta.set("__call", new create(instance));
    
    LuaTable table = new LuaTable(0,10);
    table.setmetatable(meta);
    table.set("size", new len());
    table.set("set_size", new set_size());
    
    new getint(table, 0, "get_int16");
    new getint(table, 1, "get_int32");
    new getint(table, 2, "get_int64");


    new setint(table, 0, "set_int16");
    new setint(table, 1, "set_int32");
    new setint(table, 2, "set_int64");
    
    table.set("set_string", new set_string());
    table.set("set_bytes", new set_bytes());


    table.set("get_type", new get_type());
    table.set("set_type", new set_type());


    instance.registerPackage("bytes", table);
    return table;
  }

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    public MetaLib(LuaInstance instance) {
      this.instance = instance;
    }


    public LuaValue call(LuaValue env) {
      LuaTable meta = new LuaTable(0, 5);
      meta.set("__len", new len());
      meta.set("__tostring", new tostring());
      meta.set("__index", new index());
      meta.set("__newindex", new newindex());
      
      instance.registerPackage("Bytes", meta);
      return meta;
    }

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  public LuaAerospikeLib(LuaInstance instance) {
    this.instance = instance;
  }


  public LuaValue call(LuaValue env) {    
    LuaTable meta = new LuaTable();
    meta.set("__index", new index());
    
    LuaTable table = new LuaTable();    
    table.setmetatable(meta);
    
    instance.registerPackage("aerospike", table);    
    return table;
  }

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  public LuaStreamLib(LuaInstance instance) {
    this.instance = instance;
  }
  
  public LuaValue call(LuaValue env) {
    LuaTable meta = new LuaTable(0,1);
    meta.set("__tostring", new tostring());
    
    LuaTable table = new LuaTable(0,10);
    table.setmetatable(meta);
    table.set("read", new read());
    table.set("readable", new readable());
    table.set("writeable", new writeable());
    table.set("write", new write());
    
    instance.registerPackage("stream", table);
    return table;
  }

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    final static String LUADIR = "lua";
    
    public static boolean init () {
    String script = LUADIR + "\\sv_init.lua";
        LuaValue _G = JsePlatform.standardGlobals();
        try {
            _G.get("dofile").call(LuaValue.valueOf(script));
            
        } catch (org.luaj.vm2.LuaError ex) {
            Main.ui.commitln("Error: " + ex.getMessage());
            Main.ui.commitln(sutil.ADVICE.REINSTALL.s());
            return true;

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                }


                Vector<SpriteAnimationDirection> directions = new Vector<SpriteAnimationDirection>();


                // Traverse the directions table.
                LuaValue key = LuaValue.NIL;
                while (true) {


                    Varargs keyValue = directionsTable.next(key);
                    key = keyValue.arg1();
                    if (key.isnil()) {
                        break;
                    }
                    LuaValue directionTable = keyValue.arg(2);


                    int x = directionTable.get("x").checkint();
                    int y = directionTable.get("y").checkint();
                    int frameWidth = directionTable.get("frame_width").checkint();
                    int frameHeight = directionTable.get("frame_height").checkint();
                    int originX = directionTable.get("origin_x").optint(0);
                    int originY = directionTable.get("origin_y").optint(0);
                    int numFrames = directionTable.get("num_frames").optint(1);
                    int numColumns = directionTable.get("num_columns").optint(numFrames);


                    Rectangle firstFrameRectangle = new Rectangle(x, y, frameWidth, frameHeight);


                    try {
                      SpriteAnimationDirection direction =  new SpriteAnimationDirection(

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Related Classes of org.luaj.vm2.LuaClosure

com.aerospike.client.lua.LuaAerospikeLib

com.aerospike.client.lua.LuaBytesLib

com.aerospike.client.lua.LuaBytesLib$MetaLib

com.aerospike.client.lua.LuaCache

com.aerospike.client.lua.LuaInstance

com.aerospike.client.lua.LuaListLib

com.aerospike.client.lua.LuaListLib$create

com.aerospike.client.lua.LuaListLib$MetaLib

com.aerospike.client.lua.LuaMapLib

com.aerospike.client.lua.LuaMapLib$create

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