Package org.jruby.compiler.impl

Examples of org.jruby.compiler.impl.SkinnyMethodAdapter.start()

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        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES);
        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, classname, null, p(Object.class), new String[] {p(Unsafe.class)});
        cw.visitSource("<generated>", null);
       
        SkinnyMethodAdapter method = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "<init>", sig(void.class), null, null));
        method.start();
        method.aload(0);
        method.invokespecial(p(Object.class), "<init>", sig(void.class));
        method.voidreturn();
        method.end();
       
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        method.invokespecial(p(Object.class), "<init>", sig(void.class));
        method.voidreturn();
        method.end();
       
        method = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "throwException", sig(void.class, Throwable.class), null, null));
        method.start();
        method.aload(1);
        method.athrow();
        method.end();
       
        cw.visitEnd();
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        initMethod.voidreturn();
        initMethod.end();
       
        // start setup method
        SkinnyMethodAdapter setupMethod = new SkinnyMethodAdapter(cw.visitMethod(ACC_STATIC | ACC_PUBLIC | ACC_SYNTHETIC, "__setup__", sig(void.class, RubyClass.class), null, null));
        setupMethod.start();
       
        // set RubyClass
        setupMethod.aload(0);
        setupMethod.dup();
        setupMethod.putstatic(name, "rubyClass", ci(RubyClass.class));
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                Class[] paramTypes = method.getParameterTypes();
                Class returnType = method.getReturnType();
               
                SkinnyMethodAdapter mv = new SkinnyMethodAdapter(
                        cw.visitMethod(ACC_PUBLIC, simpleName, sig(returnType, paramTypes), null, null));
                mv.start();

                String fieldName = mangleMethodFieldName(simpleName, paramTypes);
               
                // try specific name first, falling back on simple name
                Label dispatch = new Label();
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        initMethod.voidreturn();
        initMethod.end();
       
        // start setup method
        SkinnyMethodAdapter setupMethod = new SkinnyMethodAdapter(cw.visitMethod(ACC_STATIC | ACC_PUBLIC | ACC_SYNTHETIC, "__setup__", sig(void.class, RubyClass.class), null, null));
        setupMethod.start();
       
        // set RubyClass
        setupMethod.aload(0);
        setupMethod.dup();
        setupMethod.putstatic(pathName, "rubyClass", ci(RubyClass.class));
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                Class[] paramTypes = method.getParameterTypes();
                Class returnType = method.getReturnType();
               
                SkinnyMethodAdapter mv = new SkinnyMethodAdapter(
                        cw.visitMethod(ACC_PUBLIC, simpleName, sig(returnType, paramTypes), null, null));
                mv.start();
               
                // TODO: this code should really check if a Ruby equals method is implemented or not.
                if(simpleName.equals("equals") && paramTypes.length == 1 && paramTypes[0] == Object.class && returnType == Boolean.TYPE) {
                    mv.aload(0);
                    mv.aload(1);
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            signature = sig(Object.class, Object.class, Object[].class);
            break;
        }
        m = new SkinnyMethodAdapter(cv.visitMethod(ACC_PUBLIC | ACC_FINAL | ACC_SYNTHETIC, "invoke", signature, null, null));
       
        m.start();
       
        // load receiver
        if (!Modifier.isStatic(method.getModifiers())) {
            m.aload(1); // receiver
            if (method.getDeclaringClass() != Object.class) {
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        m.areturn();
        m.end();
       
        // constructor
        m = new SkinnyMethodAdapter(cv.visitMethod(ACC_PUBLIC, "<init>", sig(void.class), null, null));
        m.start();
        m.aload(0);
        m.invokespecial(p(Handle.class), "<init>", sig(void.class));
        m.voidreturn();
        m.end();
       
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    private ClassWriter createBlockCtor(String namePath) throws Exception {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        cw.visit(V1_4, ACC_PUBLIC + ACC_SUPER, namePath, null, p(AbstractCompiledBlockCallback.class), null);
        cw.visitField(ACC_PRIVATE | ACC_FINAL, "$scriptObject", ci(Object.class), null, null);
        SkinnyMethodAdapter mv = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "<init>", sig(Void.TYPE, params(Object.class)), null, null));
        mv.start();
        mv.aload(0);
        mv.aload(1);
        mv.invokespecial(p(AbstractCompiledBlockCallback.class), "<init>", sig(void.class, Object.class));
        mv.voidreturn();
        mv.end();
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                        mv = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "call", signature, null, null));
                    } else {
                        specificArity = true;
                       
                        mv = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "call", COMPILED_CALL_SIG_BLOCK, null, null));
                        mv.start();
                       
                        // check arity
                        mv.aload(1);
                        mv.invokevirtual(p(ThreadContext.class), "getRuntime", sig(Ruby.class));
                        mv.aload(5);
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