Example usage for org.objectweb.asm Opcodes ILOAD

List of usage examples for org.objectweb.asm Opcodes ILOAD

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Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes ILOAD.

Prototype

int ILOAD

To view the source code for org.objectweb.asm Opcodes ILOAD.

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Usage

From source file:com.trigersoft.jaque.expression.ExpressionMethodVisitor.java

License:Apache License

@Override
public void visitVarInsn(int opcode, int var) {
    if (_me != null) {
        if (var == 0) {
            _exprStack.push(_me);/*from   w  w w.j a v a 2s  . c o m*/
            return;
        }
        var--;
    }
    Class<?> type;
    switch (opcode) {
    case Opcodes.ISTORE:
    case Opcodes.LSTORE:
    case Opcodes.FSTORE:
    case Opcodes.DSTORE:
    case Opcodes.ASTORE:
    case Opcodes.RET:
    default:
        throw notLambda(opcode);
    case Opcodes.ILOAD:
        type = Integer.TYPE;
        break;
    case Opcodes.LLOAD:
        type = Long.TYPE;
        break;
    case Opcodes.FLOAD:
        type = Float.TYPE;
        break;
    case Opcodes.DLOAD:
        type = Double.TYPE;
        break;
    case Opcodes.ALOAD:
        type = _argTypes[var];
        break;
    }

    _exprStack.push(Expression.parameter(type, var));
}

From source file:com.yahoo.yqlplus.engine.internal.compiler.LocalValue.java

@Override
public BytecodeExpression read() {
    return new LocalValueExpression(type) {
        @Override/*from w w w . j  a  v a 2 s .  co  m*/
        public void generate(CodeEmitter code) {
            code.checkFrame(LocalValue.this);
            code.getMethodVisitor().visitVarInsn(type.getJVMType().getOpcode(Opcodes.ILOAD), start);
        }
    };
}

From source file:de.bodden.tamiflex.playout.transformation.array.ArrayNewInstanceTransformation.java

License:Open Source License

@Override
protected int loadDimensionOpcode() {
    return Opcodes.ILOAD;
}

From source file:de.dynamicfiles.projects.gradle.plugins.javafx.tasks.internal.MonkeyPatcher.java

License:Apache License

private static void doMonkeyPatchFileHandleLeak(ClassReader classReader, ClassWriter classWriter) {
    classReader.accept(new ClassVisitor(Opcodes.ASM5, classWriter) {
        @Override/*from   w  w w . j  a  v a  2 s  .co  m*/
        public MethodVisitor visitMethod(int access, String name, String desc, String signature,
                String[] exceptions) {
            if (!(name.equals(METHOD_TO_MONKEY_PATCH) && desc.equals(METHOD_SIGNATURE_TO_MONKEY_PATCH))) {
                return super.visitMethod(access, name, desc, signature, exceptions);
            }
            // helpful source: http://web.cs.ucla.edu/~msb/cs239-tutorial/
            // "We will do this using the Adapter Pattern. Adapters wrap an object, overriding some of its methods, and delegating to the others."
            // ugly adapter-pattern ... took me more time than I really can tell here <.<
            return getMonkeyPatchedFileHandleLeakMethodVisitor(access, name, desc, signature, exceptions);
        }

        private MethodVisitor getMonkeyPatchedFileHandleLeakMethodVisitor(int access, String name, String desc,
                String signature, String[] exceptions) {
            return new MethodVisitor(Opcodes.ASM5,
                    super.visitMethod(access, name, desc, signature, exceptions)) {

                /*
                 TODO improve detection of lambda-positions, numbers might vary on different compile-versions
                 */
                @Override
                public void visitCode() {
                    // This mostly got generated from ASM itself, except some adjustments for lambda-IDs and removed "visitMaxs()"-call
                    String javalangThrowable = "java/lang/Throwable";
                    String javaioFile = "java/io/File";
                    String javalangString = "java/lang/String";

                    Label l0 = new Label();
                    Label l1 = new Label();
                    Label l2 = new Label();
                    mv.visitTryCatchBlock(l0, l1, l2, javalangThrowable);
                    Label l3 = new Label();
                    Label l4 = new Label();
                    Label l5 = new Label();
                    mv.visitTryCatchBlock(l3, l4, l5, javalangThrowable);
                    Label l6 = new Label();
                    mv.visitTryCatchBlock(l3, l4, l6, null);
                    Label l7 = new Label();
                    Label l8 = new Label();
                    Label l9 = new Label();
                    mv.visitTryCatchBlock(l7, l8, l9, javalangThrowable);
                    Label l10 = new Label();
                    mv.visitTryCatchBlock(l5, l10, l6, null);
                    mv.visitInsn(Opcodes.ACONST_NULL);
                    mv.visitVarInsn(Opcodes.ASTORE, 3);
                    mv.visitVarInsn(Opcodes.ALOAD, 2);
                    Label l11 = new Label();
                    mv.visitJumpInsn(Opcodes.IFNULL, l11);
                    mv.visitVarInsn(Opcodes.ALOAD, 2);
                    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javaioFile, "isDirectory", "()Z", false);
                    Label l12 = new Label();
                    mv.visitJumpInsn(Opcodes.IFNE, l12);
                    mv.visitLabel(l11);
                    mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] { javalangString }, 0, null);
                    mv.visitTypeInsn(Opcodes.NEW, javaioFile);
                    mv.visitInsn(Opcodes.DUP);
                    mv.visitLdcInsn("java.home");
                    mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/System", "getProperty",
                            "(Ljava/lang/String;)Ljava/lang/String;", false);
                    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, javaioFile, "<init>", "(Ljava/lang/String;)V",
                            false);
                    mv.visitVarInsn(Opcodes.ASTORE, 2);
                    mv.visitLabel(l12);
                    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    mv.visitFieldInsn(Opcodes.GETSTATIC, "com/oracle/tools/packager/windows/WinAppBundler",
                            "VS_VERS", "[Ljava/lang/String;");
                    mv.visitVarInsn(Opcodes.ASTORE, 4);
                    mv.visitVarInsn(Opcodes.ALOAD, 4);
                    mv.visitInsn(Opcodes.ARRAYLENGTH);
                    mv.visitVarInsn(Opcodes.ISTORE, 5);
                    mv.visitInsn(Opcodes.ICONST_0);
                    mv.visitVarInsn(Opcodes.ISTORE, 6);
                    Label l13 = new Label();
                    mv.visitLabel(l13);
                    mv.visitFrame(Opcodes.F_APPEND, 3,
                            new Object[] { "[Ljava/lang/String;", Opcodes.INTEGER, Opcodes.INTEGER }, 0, null);
                    mv.visitVarInsn(Opcodes.ILOAD, 6);
                    mv.visitVarInsn(Opcodes.ILOAD, 5);
                    Label l14 = new Label();
                    mv.visitJumpInsn(Opcodes.IF_ICMPGE, l14);
                    mv.visitVarInsn(Opcodes.ALOAD, 4);
                    mv.visitVarInsn(Opcodes.ILOAD, 6);
                    mv.visitInsn(Opcodes.AALOAD);
                    mv.visitVarInsn(Opcodes.ASTORE, 7);
                    mv.visitVarInsn(Opcodes.ALOAD, 0);
                    mv.visitVarInsn(Opcodes.ALOAD, 1);
                    mv.visitVarInsn(Opcodes.ALOAD, 7);
                    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/oracle/tools/packager/windows/WinAppBundler",
                            "copyMSVCDLLs", "(Ljava/io/File;Ljava/lang/String;)Z", false);
                    Label l15 = new Label();
                    mv.visitJumpInsn(Opcodes.IFEQ, l15);
                    mv.visitVarInsn(Opcodes.ALOAD, 7);
                    mv.visitVarInsn(Opcodes.ASTORE, 3);
                    mv.visitJumpInsn(Opcodes.GOTO, l14);
                    mv.visitLabel(l15);
                    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    mv.visitIincInsn(6, 1);
                    mv.visitJumpInsn(Opcodes.GOTO, l13);
                    mv.visitLabel(l14);
                    mv.visitFrame(Opcodes.F_CHOP, 3, null, 0, null);
                    mv.visitVarInsn(Opcodes.ALOAD, 3);
                    Label l16 = new Label();
                    mv.visitJumpInsn(Opcodes.IFNONNULL, l16);
                    mv.visitTypeInsn(Opcodes.NEW, "java/lang/RuntimeException");
                    mv.visitInsn(Opcodes.DUP);
                    mv.visitLdcInsn("Not found MSVC dlls");
                    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/RuntimeException", "<init>",
                            "(Ljava/lang/String;)V", false);
                    mv.visitInsn(Opcodes.ATHROW);
                    mv.visitLabel(l16);
                    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    mv.visitTypeInsn(Opcodes.NEW, "java/util/concurrent/atomic/AtomicReference");
                    mv.visitInsn(Opcodes.DUP);
                    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/concurrent/atomic/AtomicReference",
                            "<init>", "()V", false);
                    mv.visitVarInsn(Opcodes.ASTORE, 4);
                    mv.visitVarInsn(Opcodes.ALOAD, 3);
                    mv.visitVarInsn(Opcodes.ASTORE, 5);
                    mv.visitVarInsn(Opcodes.ALOAD, 2);
                    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javaioFile, "toPath", "()Ljava/nio/file/Path;",
                            false);
                    mv.visitLdcInsn("bin");
                    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/nio/file/Path", "resolve",
                            "(Ljava/lang/String;)Ljava/nio/file/Path;", true);
                    mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/nio/file/Files", "list",
                            "(Ljava/nio/file/Path;)Ljava/util/stream/Stream;", false);
                    mv.visitVarInsn(Opcodes.ASTORE, 6);
                    mv.visitInsn(Opcodes.ACONST_NULL);
                    mv.visitVarInsn(Opcodes.ASTORE, 7);
                    mv.visitLabel(l3);
                    mv.visitVarInsn(Opcodes.ALOAD, 6);
                    mv.visitInvokeDynamicInsn("test", "()Ljava/util/function/Predicate;", new Handle(
                            Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory",
                            "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"),
                            new Object[] { Type.getType("(Ljava/lang/Object;)Z"),
                                    new Handle(Opcodes.H_INVOKESTATIC,
                                            "com/oracle/tools/packager/windows/WinAppBundler",
                                            "lambda$copyMSVCDLLs$261", "(Ljava/nio/file/Path;)Z"),
                                    Type.getType("(Ljava/nio/file/Path;)Z") }); // modified lambda-name
                    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "filter",
                            "(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;", true);
                    mv.visitVarInsn(Opcodes.ALOAD, 5);
                    mv.visitInvokeDynamicInsn("test", "(Ljava/lang/String;)Ljava/util/function/Predicate;",
                            new Handle(Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory",
                                    "metafactory",
                                    "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"),
                            new Object[] { Type.getType("(Ljava/lang/Object;)Z"), new Handle(
                                    Opcodes.H_INVOKESTATIC, "com/oracle/tools/packager/windows/WinAppBundler",
                                    "lambda$copyMSVCDLLs$262", "(Ljava/lang/String;Ljava/nio/file/Path;)Z"),
                                    Type.getType("(Ljava/nio/file/Path;)Z") }); // modified lambda-name
                    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "filter",
                            "(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;", true);
                    mv.visitVarInsn(Opcodes.ALOAD, 1);
                    mv.visitVarInsn(Opcodes.ALOAD, 4);
                    mv.visitInvokeDynamicInsn("accept",
                            "(Ljava/io/File;Ljava/util/concurrent/atomic/AtomicReference;)Ljava/util/function/Consumer;",
                            new Handle(Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory",
                                    "metafactory",
                                    "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"),
                            new Object[] { Type.getType("(Ljava/lang/Object;)V"), new Handle(
                                    Opcodes.H_INVOKESTATIC, "com/oracle/tools/packager/windows/WinAppBundler",
                                    "lambda$copyMSVCDLLs$263",
                                    "(Ljava/io/File;Ljava/util/concurrent/atomic/AtomicReference;Ljava/nio/file/Path;)V"),
                                    Type.getType("(Ljava/nio/file/Path;)V") }); // modified lambda-name
                    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "forEach",
                            "(Ljava/util/function/Consumer;)V", true);
                    mv.visitLabel(l4);
                    mv.visitVarInsn(Opcodes.ALOAD, 6);
                    Label l17 = new Label();
                    mv.visitJumpInsn(Opcodes.IFNULL, l17);
                    mv.visitVarInsn(Opcodes.ALOAD, 7);
                    Label l18 = new Label();
                    mv.visitJumpInsn(Opcodes.IFNULL, l18);
                    mv.visitLabel(l0);
                    mv.visitVarInsn(Opcodes.ALOAD, 6);
                    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V",
                            true);
                    mv.visitLabel(l1);
                    mv.visitJumpInsn(Opcodes.GOTO, l17);
                    mv.visitLabel(l2);
                    mv.visitFrame(Opcodes.F_FULL, 8,
                            new Object[] { "com/oracle/tools/packager/windows/WinAppBundler", javaioFile,
                                    javaioFile, javalangString, "java/util/concurrent/atomic/AtomicReference",
                                    javalangString, "java/util/stream/Stream", javalangThrowable },
                            1, new Object[] { javalangThrowable });
                    mv.visitVarInsn(Opcodes.ASTORE, 8);
                    mv.visitVarInsn(Opcodes.ALOAD, 7);
                    mv.visitVarInsn(Opcodes.ALOAD, 8);
                    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javalangThrowable, "addSuppressed",
                            "(Ljava/lang/Throwable;)V", false);
                    mv.visitJumpInsn(Opcodes.GOTO, l17);
                    mv.visitLabel(l18);
                    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    mv.visitVarInsn(Opcodes.ALOAD, 6);
                    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V",
                            true);
                    mv.visitJumpInsn(Opcodes.GOTO, l17);
                    mv.visitLabel(l5);
                    mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { javalangThrowable });
                    mv.visitVarInsn(Opcodes.ASTORE, 8);
                    mv.visitVarInsn(Opcodes.ALOAD, 8);
                    mv.visitVarInsn(Opcodes.ASTORE, 7);
                    mv.visitVarInsn(Opcodes.ALOAD, 8);
                    mv.visitInsn(Opcodes.ATHROW);
                    mv.visitLabel(l6);
                    mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { javalangThrowable });
                    mv.visitVarInsn(Opcodes.ASTORE, 9);
                    mv.visitLabel(l10);
                    mv.visitVarInsn(Opcodes.ALOAD, 6);
                    Label l19 = new Label();
                    mv.visitJumpInsn(Opcodes.IFNULL, l19);
                    mv.visitVarInsn(Opcodes.ALOAD, 7);
                    Label l20 = new Label();
                    mv.visitJumpInsn(Opcodes.IFNULL, l20);
                    mv.visitLabel(l7);
                    mv.visitVarInsn(Opcodes.ALOAD, 6);
                    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V",
                            true);
                    mv.visitLabel(l8);
                    mv.visitJumpInsn(Opcodes.GOTO, l19);
                    mv.visitLabel(l9);
                    mv.visitFrame(Opcodes.F_FULL, 10,
                            new Object[] { "com/oracle/tools/packager/windows/WinAppBundler", javaioFile,
                                    javaioFile, javalangString, "java/util/concurrent/atomic/AtomicReference",
                                    javalangString, "java/util/stream/Stream", javalangThrowable, Opcodes.TOP,
                                    javalangThrowable },
                            1, new Object[] { javalangThrowable });
                    mv.visitVarInsn(Opcodes.ASTORE, 10);
                    mv.visitVarInsn(Opcodes.ALOAD, 7);
                    mv.visitVarInsn(Opcodes.ALOAD, 10);
                    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javalangThrowable, "addSuppressed",
                            "(Ljava/lang/Throwable;)V", false);
                    mv.visitJumpInsn(Opcodes.GOTO, l19);
                    mv.visitLabel(l20);
                    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    mv.visitVarInsn(Opcodes.ALOAD, 6);
                    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V",
                            true);
                    mv.visitLabel(l19);
                    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    mv.visitVarInsn(Opcodes.ALOAD, 9);
                    mv.visitInsn(Opcodes.ATHROW);
                    mv.visitLabel(l17);
                    mv.visitFrame(Opcodes.F_FULL, 6,
                            new Object[] { "com/oracle/tools/packager/windows/WinAppBundler", javaioFile,
                                    javaioFile, javalangString, "java/util/concurrent/atomic/AtomicReference",
                                    javalangString },
                            0, new Object[] {});
                    mv.visitVarInsn(Opcodes.ALOAD, 4);
                    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/atomic/AtomicReference",
                            "get", "()Ljava/lang/Object;", false);
                    mv.visitTypeInsn(Opcodes.CHECKCAST, "java/io/IOException");
                    mv.visitVarInsn(Opcodes.ASTORE, 6);
                    mv.visitVarInsn(Opcodes.ALOAD, 6);
                    Label l21 = new Label();
                    mv.visitJumpInsn(Opcodes.IFNULL, l21);
                    mv.visitVarInsn(Opcodes.ALOAD, 6);
                    mv.visitInsn(Opcodes.ATHROW);
                    mv.visitLabel(l21);
                    mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] { "java/io/IOException" }, 0, null);
                    mv.visitInsn(Opcodes.RETURN);
                }

            };
        }

    }, ClassReader.EXPAND_FRAMES); // ClassReader.EXPAND_FRAMES required for Java 8
}

From source file:de.javanarior.vo.generator.ByteCodeGenerator.java

License:Apache License

static int getILOADOpCode(Class<?> type) {
    return Type.getType(type).getOpcode(Opcodes.ILOAD);
}

From source file:de.kandid.model.Emitter.java

License:Apache License

/**
 * Assembles a class that implements the given interface by generating the byte code.
 * @param interfaze the interface to implement
 * @return the class/*from   w w w.j  a  v  a  2s  .  c  o  m*/
 */
private static Class<? extends Emitter<?>> makeClass(Class<?> interfaze) {
    String nameClass = _nameEmitter + '$' + interfaze.getName().replace('.', '$');
    String nameInterface = Type.getInternalName(interfaze);
    // ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES);
    ClassWriter cw = new ClassWriter(0);
    cw.visit(V1_4, ACC_PUBLIC + ACC_SUPER, nameClass, null, _nameEmitter, new String[] { name(interfaze) });

    // Generate default construcotor
    MethodVisitor cv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    cv.visitVarInsn(ALOAD, 0);
    cv.visitMethodInsn(INVOKESPECIAL, _nameEmitter, "<init>", "()V");
    cv.visitInsn(RETURN);
    cv.visitMaxs(1, 1);

    // Generate methods
    Method[] methods = interfaze.getMethods();
    for (int i = 0; i < methods.length; ++i) {
        final Method m = methods[i];
        if (m.getReturnType() != void.class)
            throw new IllegalArgumentException("Method " + m.toGenericString() + " must not return a value");
        final String descMethod = Type.getMethodDescriptor(m);
        final MethodVisitor mw = cw.visitMethod(ACC_PUBLIC + ACC_SYNCHRONIZED, m.getName(), descMethod, null,
                null);
        final Type[] argTypes = Type.getArgumentTypes(m);

        // for (int i = 0; i < _end; i += 2)
        //    ((Listener) _listeners[i]).send(...);

        int localStart = 1; // give one for "this"
        for (Type at : argTypes)
            localStart += at.getSize();
        Label entry = new Label();
        Label exit = new Label();
        mw.visitLabel(entry);

        // _isFiring = true;
        mw.visitVarInsn(ALOAD, 0);
        mw.visitInsn(Opcodes.ICONST_1);
        mw.visitFieldInsn(Opcodes.PUTFIELD, nameClass, "_isFiring", Type.BOOLEAN_TYPE.getDescriptor());

        // setup local variables: i, _listeners, _end
        mw.visitLocalVariable("i", Type.INT_TYPE.getDescriptor(), null, entry, exit, localStart);
        mw.visitInsn(Opcodes.ICONST_0);
        mw.visitIntInsn(Opcodes.ISTORE, localStart);

        mw.visitLocalVariable("listeners", _descObjectArray, null, entry, exit, localStart + 1);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitFieldInsn(GETFIELD, nameClass, "_listeners", _descObjectArray);
        mw.visitIntInsn(Opcodes.ASTORE, localStart + 1);

        mw.visitLocalVariable("end", Type.INT_TYPE.getDescriptor(), null, entry, exit, localStart + 2);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitFieldInsn(GETFIELD, nameClass, "_end", Type.INT_TYPE.getDescriptor());
        mw.visitIntInsn(Opcodes.ISTORE, localStart + 2);

        final Label condition = new Label();
        mw.visitJumpInsn(GOTO, condition);

        final Label loop = new Label();
        mw.visitLabel(loop);

        //((Listener) _listeners[i]).doSomething()
        mw.visitIntInsn(Opcodes.ALOAD, localStart + 1);
        mw.visitIntInsn(Opcodes.ILOAD, localStart);
        mw.visitInsn(Opcodes.AALOAD);
        mw.visitTypeInsn(CHECKCAST, nameInterface);
        int offs = 1; // give one for "this"
        for (Type at : argTypes) {
            mw.visitVarInsn(at.getOpcode(ILOAD), offs);
            offs += at.getSize();
        }
        mw.visitMethodInsn(INVOKEINTERFACE, nameInterface, m.getName(), descMethod);

        // i += 2
        mw.visitIincInsn(localStart, 2);

        // if (i < end) goto loop
        mw.visitLabel(condition);
        mw.visitIntInsn(Opcodes.ILOAD, localStart);
        mw.visitIntInsn(Opcodes.ILOAD, localStart + 2);
        mw.visitJumpInsn(Opcodes.IF_ICMPLT, loop);

        // _isFiring = false;
        mw.visitVarInsn(ALOAD, 0);
        mw.visitInsn(Opcodes.ICONST_0);
        mw.visitFieldInsn(Opcodes.PUTFIELD, nameClass, "_isFiring", Type.BOOLEAN_TYPE.getDescriptor());

        mw.visitLabel(exit);
        mw.visitInsn(RETURN);
        mw.visitMaxs(localStart + 2, localStart + 3);
        mw.visitEnd();
    }
    cw.visitEnd();
    return _loader.loadClass(cw, nameClass.replace('/', '.'));
}

From source file:de.sanandrew.core.manpack.transformer.TransformELBAttackingPlayer.java

License:Creative Commons License

private static byte[] transformAccessors(byte[] bytes) {
    ClassNode clazz = ASMHelper.createClassNode(bytes);

    int complete = 0;
    for (MethodNode method : clazz.methods) {
        switch (method.name) {
        case "getELAttackingPlayer": {
            method.instructions.clear();
            method.visitCode();//from  ww  w. j a va  2s.co  m
            Label l0 = new Label();
            method.visitLabel(l0);
            method.visitVarInsn(Opcodes.ALOAD, 0);
            method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase",
                    "_SAP_getAttackingPlayer", "()Lnet/minecraft/entity/player/EntityPlayer;", false);
            method.visitInsn(Opcodes.ARETURN);
            Label l1 = new Label();
            method.visitLabel(l1);
            method.visitLocalVariable("entity", "Lnet/minecraft/entity/EntityLivingBase;", null, l0, l1, 0);
            method.visitMaxs(0, 0);
            method.visitEnd();
            complete++;
            continue;
        }
        case "setELAttackingPlayer": {
            method.instructions.clear();
            method.visitCode();
            Label l0 = new Label();
            method.visitLabel(l0);
            method.visitVarInsn(Opcodes.ALOAD, 1);
            method.visitVarInsn(Opcodes.ALOAD, 0);
            method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase",
                    "_SAP_setAttackingPlayer", "(Lnet/minecraft/entity/player/EntityPlayer;)V", false);
            Label l1 = new Label();
            method.visitLabel(l1);
            method.visitInsn(Opcodes.RETURN);
            Label l2 = new Label();
            method.visitLabel(l2);
            method.visitLocalVariable("player", "Lnet/minecraft/entity/player/EntityPlayer;", null, l0, l2, 0);
            method.visitLocalVariable("entity", "Lnet/minecraft/entity/EntityLivingBase;", null, l0, l2, 1);
            method.visitMaxs(0, 0);
            method.visitEnd();
            complete++;
            continue;
        }
        case "getELRecentlyHit": {
            method.instructions.clear();
            method.visitCode();
            Label l0 = new Label();
            method.visitLabel(l0);
            method.visitVarInsn(Opcodes.ALOAD, 0);
            method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase",
                    "_SAP_getRecentlyHit", "()I", false);
            method.visitInsn(Opcodes.IRETURN);
            Label l1 = new Label();
            method.visitLabel(l1);
            method.visitLocalVariable("entity", "Lnet/minecraft/entity/EntityLivingBase;", null, l0, l1, 0);
            method.visitMaxs(0, 0);
            method.visitEnd();
            complete++;
            continue;
        }
        case "setELRecentlyHit": {
            method.instructions.clear();
            method.visitCode();
            Label l0 = new Label();
            method.visitLabel(l0);
            method.visitVarInsn(Opcodes.ALOAD, 1);
            method.visitVarInsn(Opcodes.ILOAD, 0);
            method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase",
                    "_SAP_setRecentlyHit", "(I)V", false);
            Label l1 = new Label();
            method.visitLabel(l1);
            method.visitInsn(Opcodes.RETURN);
            Label l2 = new Label();
            method.visitLabel(l2);
            method.visitLocalVariable("hit", "I", null, l0, l2, 0);
            method.visitLocalVariable("entity", "Lnet/minecraft/entity/EntityLivingBase;", null, l0, l2, 1);
            method.visitMaxs(0, 0);
            method.visitEnd();
            complete++;
            continue;
        }
        }

        if (complete >= 4) {
            break;
        }
    }

    bytes = ASMHelper.createBytes(clazz, ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);

    return bytes;
}

From source file:de.sanandrew.core.manpack.transformer.TransformELBAttackingPlayer.java

License:Creative Commons License

private static byte[] transformAttackingPlayer(byte[] bytes) {
    ClassNode clazz = ASMHelper.createClassNode(bytes);

    /** ADD GETTER FOR ATTACKING PLAYER **/
    {/*  www .  j av a 2 s .  c  o  m*/
        MethodNode method = new MethodNode(Opcodes.ACC_PUBLIC, "_SAP_getAttackingPlayer",
                "()Lnet/minecraft/entity/player/EntityPlayer;", null, null);
        method.visitCode();
        Label l0 = new Label();
        method.visitLabel(l0);
        method.visitVarInsn(Opcodes.ALOAD, 0);
        method.visitFieldInsn(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase",
                ASMNames.F_attackingPlayer, "Lnet/minecraft/entity/player/EntityPlayer;");
        method.visitInsn(Opcodes.ARETURN);
        Label l1 = new Label();
        method.visitLabel(l1);
        method.visitLocalVariable("this", "Lnet/minecraft/entity/EntityLivingBase;", null, l0, l1, 0);
        method.visitMaxs(0, 0);
        method.visitEnd();
        clazz.methods.add(method);
    }

    /** ADD SETTER FOR ATTACKING PLAYER **/
    {
        MethodNode method = new MethodNode(Opcodes.ACC_PUBLIC, "_SAP_setAttackingPlayer",
                "(Lnet/minecraft/entity/player/EntityPlayer;)V", null, null);
        method.visitCode();
        Label l0 = new Label();
        method.visitLabel(l0);
        method.visitVarInsn(Opcodes.ALOAD, 0);
        method.visitVarInsn(Opcodes.ALOAD, 1);
        method.visitFieldInsn(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase",
                ASMNames.F_attackingPlayer, "Lnet/minecraft/entity/player/EntityPlayer;");
        Label l1 = new Label();
        method.visitLabel(l1);
        method.visitInsn(Opcodes.RETURN);
        Label l2 = new Label();
        method.visitLabel(l2);
        method.visitLocalVariable("this", "Lnet/minecraft/entity/EntityLivingBase;", null, l0, l2, 0);
        method.visitLocalVariable("player", "Lnet/minecraft/entity/player/EntityPlayer;", null, l0, l2, 1);
        method.visitMaxs(0, 0);
        method.visitEnd();
        clazz.methods.add(method);
    }

    /** ADD GETTER FOR RECENTLY HIT **/
    {
        MethodNode method = new MethodNode(Opcodes.ACC_PUBLIC, "_SAP_getRecentlyHit", "()I", null, null);
        method.visitCode();
        Label l0 = new Label();
        method.visitLabel(l0);
        method.visitVarInsn(Opcodes.ALOAD, 0);
        method.visitFieldInsn(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase", ASMNames.F_recentlyHit,
                "I");
        method.visitInsn(Opcodes.IRETURN);
        Label l1 = new Label();
        method.visitLabel(l1);
        method.visitLocalVariable("this", "Lnet/minecraft/entity/EntityLivingBase;", null, l0, l1, 0);
        method.visitMaxs(0, 0);
        method.visitEnd();
        clazz.methods.add(method);
    }

    /** ADD SETTER FOR RECENTLY HIT **/
    {
        MethodNode method = new MethodNode(Opcodes.ACC_PUBLIC, "_SAP_setRecentlyHit", "(I)V", null, null);
        method.visitCode();
        Label l0 = new Label();
        method.visitLabel(l0);
        method.visitVarInsn(Opcodes.ALOAD, 0);
        method.visitVarInsn(Opcodes.ILOAD, 1);
        method.visitFieldInsn(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase", ASMNames.F_recentlyHit,
                "I");
        Label l1 = new Label();
        method.visitLabel(l1);
        method.visitInsn(Opcodes.RETURN);
        Label l2 = new Label();
        method.visitLabel(l2);
        method.visitLocalVariable("this", "Lnet/minecraft/entity/EntityLivingBase;", null, l0, l2, 0);
        method.visitLocalVariable("hit", "I", null, l0, l2, 1);
        method.visitMaxs(0, 0);
        method.visitEnd();
        clazz.methods.add(method);
    }

    bytes = ASMHelper.createBytes(clazz, /*ClassWriter.COMPUTE_FRAMES |*/ ClassWriter.COMPUTE_MAXS);

    return bytes;
}

From source file:de.sanandrew.core.manpack.transformer.TransformEntityCollision.java

License:Creative Commons License

private static byte[] transformWorld(byte[] bytes) {
    ClassNode clazz = ASMHelper.createClassNode(bytes);
    MethodNode method = ASMHelper.findMethod(clazz, ASMNames.MD_WORLD_GET_COLLIDING_BB);

    InsnList needle = new InsnList();
    LabelNode ln = new LabelNode();
    needle.add(ln);/*ww  w . j av a  2s .c om*/
    needle.add(new LineNumberNode(-1, ln));
    needle.add(new VarInsnNode(Opcodes.ALOAD, 0));
    needle.add(new VarInsnNode(Opcodes.ALOAD, 1));
    needle.add(new VarInsnNode(Opcodes.ALOAD, 2));
    needle.add(new VarInsnNode(Opcodes.DLOAD, -1));
    needle.add(new VarInsnNode(Opcodes.DLOAD, -1));
    needle.add(new VarInsnNode(Opcodes.DLOAD, -1));
    needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_AABB_EXPAND, false));
    needle.add(
            ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_WORLD_GET_ENTITIES_EXCLUDE, false));
    needle.add(new VarInsnNode(Opcodes.ASTORE, -1));

    VarInsnNode insertPoint = (VarInsnNode) ASMHelper.findLastNodeFromNeedle(method.instructions, needle);

    InsnList injectList = new InsnList();
    injectList.add(new LabelNode());
    injectList.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_SAPUTILS_EVENT_BUS));
    injectList.add(new TypeInsnNode(Opcodes.NEW, ASMNames.CL_COLLIDING_ENTITY_CHECK_EVENT));
    injectList.add(new InsnNode(Opcodes.DUP));
    injectList.add(new VarInsnNode(Opcodes.ALOAD, 0));
    injectList.add(new VarInsnNode(Opcodes.ALOAD, insertPoint.var));
    injectList.add(new VarInsnNode(Opcodes.ALOAD, 1));
    injectList.add(new VarInsnNode(Opcodes.ALOAD, 2));
    injectList.add(
            ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_SAP_COLLENTITYCHKEVT_INIT, false));
    injectList.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_EVENT_BUS_POST, false));
    injectList.add(new InsnNode(Opcodes.POP));

    method.instructions.insert(insertPoint, injectList);

    // insert entity-sensitive bounding box method

    needle = new InsnList();
    ln = new LabelNode();
    needle.add(ln);
    needle.add(new LineNumberNode(-1, ln));
    needle.add(new VarInsnNode(Opcodes.ALOAD, 11));
    needle.add(new VarInsnNode(Opcodes.ILOAD, 12));
    needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEINTERFACE, ASMNames.MD_LIST_GET, true));
    needle.add(new TypeInsnNode(Opcodes.CHECKCAST, ASMNames.CL_ENTITY));
    needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ENTITY_GET_BOUNDING_BOX, false));
    needle.add(new VarInsnNode(Opcodes.ASTORE, -1));

    insertPoint = (VarInsnNode) ASMHelper.findLastNodeFromNeedle(method.instructions, needle);

    injectList = new InsnList();
    injectList.add(new LabelNode());
    injectList.add(new VarInsnNode(Opcodes.ALOAD, 11));
    injectList.add(new VarInsnNode(Opcodes.ILOAD, 12));
    injectList.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEINTERFACE, ASMNames.MD_LIST_GET, true));
    injectList.add(new TypeInsnNode(Opcodes.CHECKCAST, ASMNames.CL_ENTITY));
    injectList.add(new VarInsnNode(Opcodes.ALOAD, 1));
    injectList.add(new VarInsnNode(Opcodes.ALOAD, insertPoint.var));
    injectList.add(
            ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_SAP_ENTITY_GET_BOUNDING_BOX, false));
    injectList.add(new VarInsnNode(Opcodes.ASTORE, insertPoint.var));

    method.instructions.insert(insertPoint, injectList);

    bytes = ASMHelper.createBytes(clazz, /*ClassWriter.COMPUTE_FRAMES |*/ ClassWriter.COMPUTE_MAXS);

    return bytes;
}

From source file:de.tuberlin.uebb.jbop.optimizer.ClassNodeBuilder.java

License:Open Source License

/**
 * Creates a setter for the last added field.
 * /*from   ww  w. j  a v a  2  s .c  om*/
 * @return the class node builder
 */
public ClassNodeBuilder withSetter() {
    if (isInterface) {
        return this;
    }
    final String name = lastField.name;
    final String desc = lastField.desc;
    addMethod("set" + Character.toUpperCase(name.charAt(0)) + name.substring(1), "(" + desc + ")V");
    final Type type = Type.getType(desc);
    addInsn(new VarInsnNode(Opcodes.ALOAD, 0));
    addInsn(new VarInsnNode(type.getOpcode(Opcodes.ILOAD), 1));
    addInsn(new FieldInsnNode(Opcodes.PUTFIELD, classNode.name, name, desc));
    addInsn(new InsnNode(Opcodes.RETURN));
    return this;
}