100 lines
3.8 KiB
JavaScript
100 lines
3.8 KiB
JavaScript
// access flags DEFINE
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var ACC_PUBLIC = 0x0001; // Declared public; may be accessed from outside its package.
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var ACC_PRIVATE = 0x0002; // Declared private; usable only within the defining class.
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var ACC_PROTECTED = 0x0004; // Declared protected; may be accessed within subclasses.
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var ACC_STATIC = 0x0008; // Declared static.
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var ACC_FINAL = 0x0010; // Declared final; no subclasses allowed.
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var ACC_SUPER = 0x0020; // Treat superclass methods specially when invoked by the invokespecial instruction.
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var ACC_VOLATILE = 0x0040; // Declared volatile; cannot be cached.
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var ACC_NATIVE = 0x0100; // Declared native; implemented in a language other than Java.
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var ACC_INTERFACE = 0x0200; // Is an interface, not a class.
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var ACC_ABSTRACT = 0x0400; // Declared abstract; may not be instantiated.
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var ACC_TRANSIENT = 0x0080; // Declared transient; not written or read by a persistent object manager.
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function slurpFile (filename, fa) {
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var xmlHttpRequest, response, result ;
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// ie support if (typeof ActiveXObject == "function") return this.load_binary_ie9(filename, fa);
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xmlHttpRequest = new XMLHttpRequest();
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xmlHttpRequest.open('GET', "testRuntime/" + filename, false);
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if ('mozResponseType' in xmlHttpRequest) {
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xmlHttpRequest.mozResponseType = 'arraybuffer';
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} else if ('responseType' in xmlHttpRequest) {
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xmlHttpRequest.responseType = 'arraybuffer';
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} else {
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xmlHttpRequest.overrideMimeType('text/plain; charset=x-user-defined');
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}
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xmlHttpRequest.send(null);
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if (xmlHttpRequest.status != 200 && xmlHttpRequest.status != 0) {
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throw "Error while loading " + filename;
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}
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bf = true;
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if ('mozResponse' in xmlHttpRequest) {
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response = xmlHttpRequest.mozResponse;
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} else if (xmlHttpRequest.mozResponseArrayBuffer) {
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response = xmlHttpRequest.mozResponseArrayBuffer;
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} else if ('responseType' in xmlHttpRequest) {
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response = xmlHttpRequest.response;
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} else {
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response = xmlHttpRequest.responseText;
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bf = false;
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}
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if (bf) {
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result = [response.byteLength, response];
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} else {
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throw "No typed arrays";
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}
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return result;
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};
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var log = function (msg){
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write(msg);
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if (console){
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console.log(msg);
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}
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}
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var ClassDefinition = function (file){
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var dataStream = new DataStream(slurpFile(file)[1]);
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this.magic = dataStream.getU4();
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if (this.magic != 0xCAFEBABE){
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throw "Invalid Class Magic (" + this.magic + ")" ;
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}
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this.minorVersion = dataStream.getU2();
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this.majorVersion = dataStream.getU2();
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if (this.majorVersion > 50 || this.majorVersion < 45){
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throw "Unsuported java class file format version";
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}
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this.constantPool = new ConstantPool(dataStream);
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this.access_flags = dataStream.getU2();
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this.this_class = ConstantPoolRef(dataStream.getU2(), this.constantPool, CONSTANT_Class);
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var superClassRef = dataStream.getU2();
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if (superClassRef){
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this.super_class = ConstantPoolRef(superClassRef, this.constantPool, CONSTANT_Class);
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}else{
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this.super_class = null;
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}
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this.interface_count = dataStream.getU2();
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// VER: interfaces refs must be classes
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this.interfaces = [];
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for(var i=0; i<this.interface_count; i++){
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this.interfaces[i] = ConstantPoolRef(dataStream.getU2(), this.constantPool,CONSTANT_Class);
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}
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this.fields_count = dataStream.getU2();
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this.fields = []
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for(var i=0; i<this.fields_count; i++){
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this.fields[i] = new FieldInfo(dataStream,this.constantPool);
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}
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this.methods_count = dataStream.getU2();
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this.methods=[];
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for(var i=0; i<this.methods_count; i++){
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this.methods[i] = new MethodInfo(dataStream, this.constantPool);
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}
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}
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function LoadClassFile (x){
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return new ClassDefinition(x);
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} |