Examples with LuaValue org.luaj.vm2.LuaValue used on opensource projects

Example 31 with LuaValue

use of org.luaj.vm2.LuaValue in project LuaViewSDK by alibaba.

the class GlobalsExtender method doLoad.

/**
 * 真正加载一个库
 *
 * @param globals
 * @param name
 * @return
 */
public LuaValue doLoad(final Globals globals, final String name) {
    if (mLazyLoadLibs != null && mLazyLoadLibs.containsKey(name)) {
        final LuaValue lib = mLazyLoadLibs.get(name);
        LuaValue result = globals.load(lib);
        mLazyLoadLibs.remove(name);
        return result;
    }
    return null;
}

Example 32 with LuaValue

use of org.luaj.vm2.LuaValue in project LuaViewSDK by alibaba.

the class LuaPrint method buildState.

/**
 * Print the state of a {@link LuaClosure} that is being executed
 *
 * @param cl      the {@link LuaClosure}
 * @param pc      the program counter
 * @param stack   the stack of {@link LuaValue}
 * @param top     the top of the stack
 * @param varargs any {@link Varargs} value that may apply
 */
public LuaPrint buildState(LuaClosure cl, int pc, LuaValue[] stack, int top, Varargs varargs) {
    // print opcode into buffer
    StringBuffer previous = ps;
    ps = new StringBuffer();
    buildOpCode(cl.p, pc);
    LogUtil.i(ps);
    ps = previous;
    format(ps.toString(), 50);
    // print stack
    ps.append('[');
    for (int i = 0; i < stack.length; i++) {
        LuaValue v = stack[i];
        if (v == null)
            ps.append(STRING_FOR_NULL);
        else
            switch(v.type()) {
                case LuaValue.TSTRING:
                    LuaString s = v.checkstring();
                    ps.append(s.length() < 48 ? s.tojstring() : s.substring(0, 32).tojstring() + "...+" + (s.length() - 32) + "b");
                    break;
                case LuaValue.TFUNCTION:
                    ps.append(v.tojstring());
                    break;
                case LuaValue.TUSERDATA:
                    Object o = v.touserdata();
                    if (o != null) {
                        String n = o.getClass().getName();
                        n = n.substring(n.lastIndexOf('.') + 1);
                        ps.append(n + ": " + Integer.toHexString(o.hashCode()));
                    } else {
                        ps.append(v.toString());
                    }
                    break;
                default:
                    ps.append(v.tojstring());
            }
        if (i + 1 == top)
            ps.append(']');
        ps.append(" | ");
    }
    ps.append(varargs);
    ps.append("\n");
    return this;
}

Example 33 with LuaValue

use of org.luaj.vm2.LuaValue in project LuaViewSDK by alibaba.

the class StringLib method dump.

/**
 * string.dump (function)
 *
 * Returns a string containing a binary representation of the given function,
 * so that a later loadstring on this string returns a copy of the function.
 * function must be a Lua function without upvalues.
 *
 * TODO: port dumping code as optional add-on
 */
static LuaValue dump(LuaValue arg) {
    LuaValue f = arg.checkfunction();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        DumpState.dump(((LuaClosure) f).p, baos, true);
        return LuaString.valueOf(baos.toByteArray());
    } catch (IOException e) {
        return error(e.getMessage());
    }
}

Example 34 with LuaValue

use of org.luaj.vm2.LuaValue in project LuaViewSDK by alibaba.

the class StringLib method reverse.

/**
 * string.reverse (s)
 *
 * Returns a string that is the string s reversed.
 */
static LuaValue reverse(LuaValue arg) {
    LuaString s = arg.checkstring();
    int n = s.length();
    byte[] b = new byte[n];
    for (int i = 0, j = n - 1; i < n; i++, j--) b[j] = (byte) s.luaByte(i);
    return LuaString.valueOf(b);
}

Example 35 with LuaValue

use of org.luaj.vm2.LuaValue in project LuaViewSDK by alibaba.

the class DebugLib method call.

public LuaValue call(LuaValue modname, LuaValue env) {
    globals = env.checkglobals();
    globals.debuglib = this;
    LuaTable debug = new LuaTable();
    debug.set("debug", new debug());
    debug.set("gethook", new gethook());
    debug.set("getinfo", new getinfo());
    debug.set("getlocal", new getlocal());
    debug.set("getmetatable", new getmetatable());
    debug.set("getregistry", new getregistry());
    debug.set("getupvalue", new getupvalue());
    debug.set("getuservalue", new getuservalue());
    debug.set("sethook", new sethook());
    debug.set("setlocal", new setlocal());
    debug.set("setmetatable", new setmetatable());
    debug.set("setupvalue", new setupvalue());
    debug.set("setuservalue", new setuservalue());
    debug.set("traceback", new traceback());
    debug.set("upvalueid", new upvalueid());
    debug.set("upvaluejoin", new upvaluejoin());
    debug.set("traceback_count", new tracebackCount());
    // extend for luaview
    new com.taobao.luaview.vm.extend.DebugLib(this, globals).extend(debug);
    env.set("debug", debug);
    env.get("package").get("loaded").set("debug", debug);
    return debug;
}