Examples with Pointer com.sun.jna.Pointer used on opensource projects

Example 91 with Pointer

use of com.sun.jna.Pointer in project dukescript-presenters by dukescript.

the class WebKitPresenter method jsContext.

final void jsContext(Pointer ctx) {
    this.ctx = ctx;
    JSC jsc = shell.jsc();
    onFinalize = new WebKitPresenter.OnFinalize();
    javaClazz = jsc.JSClassCreate(new JSC.JSClassDefinition(onFinalize));
    boolean testInstance = false;
    assert testInstance = true;
    if (testInstance) {
        Pointer testObj = jsc.JSObjectMake(ctx, javaClazz, null);
        assert isJavaClazz(testObj) : "Own classes has to be recognized";
    }
    {
        Pointer jsGlobal = ctx;
        Pointer arrArg = jsc.JSStringCreateWithUTF8CString("x");
        Pointer arrT = jsc.JSStringCreateWithUTF8CString("var res = x.constructor === Array ? x.length : -1; return res;");
        Pointer arrFn = jsc.JSObjectMakeFunction(jsGlobal, null, 1, new Pointer[] { arrArg }, arrT, null, 0, null);
        arrayLength = arrFn;
        jsc.JSValueProtect(ctx, arrFn);
        assert !isJavaClazz(arrayLength) : "functions aren't Java classes";
    }
    {
        Pointer trueScr = jsc.JSStringCreateWithUTF8CString("true");
        valueTrue = jsc.JSEvaluateScript(ctx, trueScr, null, null, 1, null);
        jsc.JSStringRelease(trueScr);
        jsc.JSValueProtect(ctx, valueTrue);
        int vT = jsc.JSValueGetType(ctx, valueTrue);
        assert vT == 2;
        assert !isJavaClazz(valueTrue) : "true isn't Java class";
    }
    {
        Pointer falseScr = jsc.JSStringCreateWithUTF8CString("false");
        valueFalse = jsc.JSEvaluateScript(ctx, falseScr, null, null, 1, null);
        jsc.JSValueProtect(ctx, valueFalse);
        jsc.JSStringRelease(falseScr);
        int vF = jsc.JSValueGetType(ctx, valueFalse);
        assert vF == 2;
        assert !isJavaClazz(valueFalse) : "false isn't Java class";
    }
}