示例#1
0
  public static RubyClass createPointerClass(Ruby runtime, RubyModule module) {
    RubyClass pointerClass =
        module.defineClassUnder(
            "Pointer",
            module.getClass(AbstractMemory.ABSTRACT_MEMORY_RUBY_CLASS),
            RubyInstanceConfig.REIFY_RUBY_CLASSES
                ? new ReifyingAllocator(Pointer.class)
                : PointerAllocator.INSTANCE);

    pointerClass.defineAnnotatedMethods(Pointer.class);
    pointerClass.defineAnnotatedConstants(Pointer.class);
    pointerClass.setReifiedClass(Pointer.class);
    pointerClass.kindOf =
        new RubyModule.KindOf() {
          @Override
          public boolean isKindOf(IRubyObject obj, RubyModule type) {
            return obj instanceof Pointer && super.isKindOf(obj, type);
          }
        };

    module.defineClassUnder(
        "NullPointerError", runtime.getRuntimeError(), runtime.getRuntimeError().getAllocator());

    // Add Pointer::NULL as a constant
    Pointer nullPointer = new Pointer(runtime, pointerClass, new NullMemoryIO(runtime));
    pointerClass.setConstant("NULL", nullPointer);

    runtime
        .getNilClass()
        .addMethod("to_ptr", new NilToPointerMethod(runtime.getNilClass(), nullPointer));

    return pointerClass;
  }
示例#2
0
 public static void createRubyDescriptor(Ruby runtime) {
   RubyModule protobuf = runtime.getClassFromPath("Google::Protobuf");
   RubyClass cDescriptor =
       protobuf.defineClassUnder(
           "Descriptor",
           runtime.getObject(),
           new ObjectAllocator() {
             @Override
             public IRubyObject allocate(Ruby runtime, RubyClass klazz) {
               return new RubyDescriptor(runtime, klazz);
             }
           });
   cDescriptor.includeModule(runtime.getEnumerable());
   cDescriptor.defineAnnotatedMethods(RubyDescriptor.class);
 }
示例#3
0
  /** Create the Zlib module and add it to the Ruby runtime. */
  public static RubyModule createZlibModule(Ruby runtime) {
    RubyModule result = runtime.defineModule("Zlib");

    RubyClass gzfile =
        result.defineClassUnder("GzipFile", runtime.getObject(), RubyGzipFile.GZIPFILE_ALLOCATOR);
    gzfile.defineAnnotatedMethods(RubyGzipFile.class);

    RubyClass gzreader =
        result.defineClassUnder("GzipReader", gzfile, RubyGzipReader.GZIPREADER_ALLOCATOR);
    gzreader.includeModule(runtime.getEnumerable());
    gzreader.defineAnnotatedMethods(RubyGzipReader.class);

    RubyClass standardError = runtime.getStandardError();
    RubyClass zlibError =
        result.defineClassUnder("Error", standardError, standardError.getAllocator());
    gzreader.defineClassUnder("Error", zlibError, zlibError.getAllocator());

    RubyClass gzwriter =
        result.defineClassUnder("GzipWriter", gzfile, RubyGzipWriter.GZIPWRITER_ALLOCATOR);
    gzwriter.defineAnnotatedMethods(RubyGzipWriter.class);

    result.defineConstant("ZLIB_VERSION", runtime.newString("1.2.1"));
    result.defineConstant("VERSION", runtime.newString("0.6.0"));

    result.defineConstant("BINARY", runtime.newFixnum(0));
    result.defineConstant("ASCII", runtime.newFixnum(1));
    result.defineConstant("UNKNOWN", runtime.newFixnum(2));

    result.defineConstant("DEF_MEM_LEVEL", runtime.newFixnum(8));
    result.defineConstant("MAX_MEM_LEVEL", runtime.newFixnum(9));

    result.defineConstant("OS_UNIX", runtime.newFixnum(3));
    result.defineConstant("OS_UNKNOWN", runtime.newFixnum(255));
    result.defineConstant("OS_CODE", runtime.newFixnum(11));
    result.defineConstant("OS_ZSYSTEM", runtime.newFixnum(8));
    result.defineConstant("OS_VMCMS", runtime.newFixnum(4));
    result.defineConstant("OS_VMS", runtime.newFixnum(2));
    result.defineConstant("OS_RISCOS", runtime.newFixnum(13));
    result.defineConstant("OS_MACOS", runtime.newFixnum(7));
    result.defineConstant("OS_OS2", runtime.newFixnum(6));
    result.defineConstant("OS_AMIGA", runtime.newFixnum(1));
    result.defineConstant("OS_QDOS", runtime.newFixnum(12));
    result.defineConstant("OS_WIN32", runtime.newFixnum(11));
    result.defineConstant("OS_ATARI", runtime.newFixnum(5));
    result.defineConstant("OS_MSDOS", runtime.newFixnum(0));
    result.defineConstant("OS_CPM", runtime.newFixnum(9));
    result.defineConstant("OS_TOPS20", runtime.newFixnum(10));

    result.defineConstant("DEFAULT_STRATEGY", runtime.newFixnum(0));
    result.defineConstant("FILTERED", runtime.newFixnum(1));
    result.defineConstant("HUFFMAN_ONLY", runtime.newFixnum(2));

    result.defineConstant("NO_FLUSH", runtime.newFixnum(0));
    result.defineConstant("SYNC_FLUSH", runtime.newFixnum(2));
    result.defineConstant("FULL_FLUSH", runtime.newFixnum(3));
    result.defineConstant("FINISH", runtime.newFixnum(4));

    result.defineConstant("NO_COMPRESSION", runtime.newFixnum(0));
    result.defineConstant("BEST_SPEED", runtime.newFixnum(1));
    result.defineConstant("DEFAULT_COMPRESSION", runtime.newFixnum(-1));
    result.defineConstant("BEST_COMPRESSION", runtime.newFixnum(9));

    result.defineConstant("MAX_WBITS", runtime.newFixnum(15));

    result.defineAnnotatedMethods(RubyZlib.class);

    result.defineClassUnder("StreamEnd", zlibError, zlibError.getAllocator());
    result.defineClassUnder("StreamError", zlibError, zlibError.getAllocator());
    result.defineClassUnder("BufError", zlibError, zlibError.getAllocator());
    result.defineClassUnder("NeedDict", zlibError, zlibError.getAllocator());
    result.defineClassUnder("MemError", zlibError, zlibError.getAllocator());
    result.defineClassUnder("VersionError", zlibError, zlibError.getAllocator());
    result.defineClassUnder("DataError", zlibError, zlibError.getAllocator());

    RubyClass gzError = gzfile.defineClassUnder("Error", zlibError, zlibError.getAllocator());
    gzfile.defineClassUnder("CRCError", gzError, gzError.getAllocator());
    gzfile.defineClassUnder("NoFooter", gzError, gzError.getAllocator());
    gzfile.defineClassUnder("LengthError", gzError, gzError.getAllocator());

    // ZStream actually *isn't* allocatable
    RubyClass zstream =
        result.defineClassUnder(
            "ZStream", runtime.getObject(), ObjectAllocator.NOT_ALLOCATABLE_ALLOCATOR);
    zstream.defineAnnotatedMethods(ZStream.class);
    zstream.undefineMethod("new");

    RubyClass infl = result.defineClassUnder("Inflate", zstream, Inflate.INFLATE_ALLOCATOR);
    infl.defineAnnotatedMethods(Inflate.class);

    RubyClass defl = result.defineClassUnder("Deflate", zstream, Deflate.DEFLATE_ALLOCATOR);
    defl.defineAnnotatedMethods(Deflate.class);

    runtime
        .getKernel()
        .callMethod(runtime.getCurrentContext(), "require", runtime.newString("stringio"));

    return result;
  }