Example usage for org.objectweb.asm MethodVisitor visitMethodInsn

List of usage examples for org.objectweb.asm MethodVisitor visitMethodInsn

  1. HOME
  2. Java
  3. org.objectweb.asm
  4. org.objectweb.asm.*
  5. MethodVisitor
  6. visitMethodInsn

Introduction

In this page you can find the example usage for org.objectweb.asm MethodVisitor visitMethodInsn.

Prototype

@Deprecated
public void visitMethodInsn(final int opcode, final String owner, final String name, final String descriptor)

Source Link

Document

Visits a method instruction.

Usage

From source file:com.weibo.lodil.mmap.impl.GenerateHugeArrays.java

License:Apache License

private static void appendToStringHashCodeEqualsCopyOf(final TypeModel tm, final ClassWriter cw,
        final String name2, final boolean hasListField) {
    final String name = tm.bcType();
    MethodVisitor mv;
    {/*  ww  w.ja va 2s.com*/
        mv = cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(176, l0);
        mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V");
        mv.visitLdcInsn(tm.type().getSimpleName() + "{");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
                "(Ljava/lang/String;)Ljava/lang/StringBuilder;");

        String sep = "";
        for (final FieldModel fm : tm.fields()) {
            final boolean text = CharSequence.class.isAssignableFrom(tm.type());

            mv.visitLdcInsn(sep + fm.fieldName() + "=" + (text ? "'" : ""));
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
                    "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType());
            String appendType = "Ljava/lang/Object;";
            final Class fmType = fm.type();
            if (fmType.isPrimitive()) {
                if ((fmType == byte.class) || (fmType == short.class)) {
                    appendType = "I";
                } else {
                    appendType = fm.bcLFieldType();
                }
            }
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
                    "(" + appendType + ")Ljava/lang/StringBuilder;");
            sep = text ? "', " : ", ";
        }
        if (sep.startsWith("'")) {
            mv.visitIntInsn(BIPUSH, 39);
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
                    "(C)Ljava/lang/StringBuilder;");
        }
        mv.visitIntInsn(BIPUSH, 125);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(C)Ljava/lang/StringBuilder;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;");
        mv.visitInsn(ARETURN);
        final Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l1, 0);
        mv.visitMaxs(3, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "equals", "(Ljava/lang/Object;)Z", null, null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(194, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        final Label l1 = new Label();
        mv.visitJumpInsn(IF_ACMPNE, l1);
        mv.visitInsn(ICONST_1);
        mv.visitInsn(IRETURN);
        mv.visitLabel(l1);
        mv.visitLineNumber(195, l1);
        mv.visitVarInsn(ALOAD, 1);
        final Label l2 = new Label();
        mv.visitJumpInsn(IFNULL, l2);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
        final Label l3 = new Label();
        mv.visitJumpInsn(IF_ACMPEQ, l3);
        mv.visitLabel(l2);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitLabel(l3);
        mv.visitLineNumber(197, l3);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitTypeInsn(CHECKCAST, name2);
        mv.visitVarInsn(ASTORE, 2);
        final Label l4 = new Label();
        mv.visitLabel(l4);
        mv.visitLineNumber(199, l4);
        final FieldModel[] fieldModels = tm.fields().clone();
        Arrays.sort(fieldModels, new Comparator<FieldModel>() {
            // reverse sort the preferences to optimise the
            public int compare(final FieldModel o1, final FieldModel o2) {
                return o2.equalsPreference() - o1.equalsPreference();
            }
        });
        for (final FieldModel fm : fieldModels) {
            // System.out.println(fm.fieldName());
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType());
            mv.visitVarInsn(ALOAD, 2);
            mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType());
            final Label l5 = new Label();
            if (fm.isCallsNotEquals()) {
                mv.visitMethodInsn(INVOKESTATIC, fm.bcLModelType(), "notEquals",
                        "(" + fm.bcLSetType() + fm.bcLSetType() + ")Z");
                mv.visitJumpInsn(IFEQ, l5);
            } else {
                mv.visitJumpInsn(IF_ICMPEQ, l5);
            }
            mv.visitInsn(ICONST_0);
            mv.visitInsn(IRETURN);
            mv.visitLabel(l5);
        }

        mv.visitInsn(ICONST_1);
        mv.visitInsn(IRETURN);
        final Label l17 = new Label();
        mv.visitLabel(l17);
        mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l17, 0);
        mv.visitLocalVariable("o", "Ljava/lang/Object;", null, l0, l17, 1);
        mv.visitLocalVariable("that", "L" + name2 + ";", null, l4, l17, 2);
        mv.visitMaxs(4, 3);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "hashCode", "()I", null, null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        int count = 0;
        for (final FieldModel fm : tm.fields()) {
            // if (count > 5) break;
            // System.out.println(fm.fieldName());
            if (count > 0) {
                mv.visitIntInsn(BIPUSH, 31);
                mv.visitInsn(IMUL);
            }
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType());
            if (fm.isCallsHashCode()) {
                mv.visitMethodInsn(INVOKESTATIC, fm.bcLModelType(), "hashCode", "(" + fm.bcLSetType() + ")I");
            }

            if (count > 0) {
                mv.visitInsn(IADD);
            }
            count++;
        }
        mv.visitInsn(IRETURN);
        final Label l3 = new Label();
        mv.visitLabel(l3);
        mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l3, 0);
        mv.visitMaxs(6, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "copyOf", "(L" + name + ";)V", null, null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(240, l0);

        boolean copySimpleValues = false;
        for (final FieldModel fm : tm.fields()) {
            if (!fm.copySimpleValue() || !hasListField) {
                // if (true) {
                mv.visitVarInsn(ALOAD, 0);
                mv.visitVarInsn(ALOAD, 1);
                mv.visitMethodInsn(INVOKEINTERFACE, name, "get" + fm.titleFieldName(),
                        "()" + fm.bcLFieldType());
                mv.visitMethodInsn(INVOKEVIRTUAL, name2, "set" + fm.titleFieldName(),
                        "(" + fm.bcLFieldType() + ")V");
            } else {
                copySimpleValues = true;
            }
        }
        final Label l4 = new Label();
        final Label l6 = new Label();
        if (copySimpleValues) {
            final Label l3 = new Label();
            mv.visitLabel(l3);
            mv.visitLineNumber(243, l3);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitTypeInsn(INSTANCEOF, name2);
            mv.visitJumpInsn(IFEQ, l4);
            final Label l5 = new Label();
            mv.visitLabel(l5);
            mv.visitLineNumber(238, l5);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitTypeInsn(CHECKCAST, name2);
            mv.visitVarInsn(ASTORE, 2);
            mv.visitLabel(l6);
            mv.visitLineNumber(239, l6);
            mv.visitVarInsn(ALOAD, 2);
            mv.visitFieldInsn(GETFIELD, name2, "container", "L" + collections + "impl/AbstractHugeContainer;");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, name2, "container", "L" + collections + "impl/AbstractHugeContainer;");
            mv.visitJumpInsn(IF_ACMPNE, l4);
            for (final FieldModel fm : tm.fields()) {
                if (fm.copySimpleValue()) {
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, name2, "allocation", "L" + name + "Allocation;");
                    mv.visitFieldInsn(GETFIELD, name + "Allocation", "m_" + fm.fieldName(), fm.bcLStoreType());
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitFieldInsn(GETFIELD, name2, "offset", "I");
                    mv.visitVarInsn(ALOAD, 2);
                    mv.visitFieldInsn(GETFIELD, name2, "allocation", "L" + name + "Allocation;");
                    mv.visitFieldInsn(GETFIELD, name + "Allocation", "m_" + fm.fieldName(), fm.bcLStoreType());
                    mv.visitVarInsn(ALOAD, 2);
                    mv.visitFieldInsn(GETFIELD, name2, "offset", "I");
                    mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcStoreType(), "get", "(I)" + fm.bcLStoredType());
                    mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcStoreType(), "put",
                            "(I" + fm.bcLStoredType() + ")" + fm.bcLStoreType());
                    mv.visitInsn(POP);
                }
            }
        }
        final Label l16 = new Label();
        mv.visitLabel(l16);
        mv.visitLineNumber(238, l16);
        final Label l17 = new Label();
        mv.visitJumpInsn(GOTO, l17);
        mv.visitLabel(l4);
        mv.visitLineNumber(241, l4);
        for (final FieldModel fm : tm.fields()) {
            if (fm.copySimpleValue()) {
                mv.visitVarInsn(ALOAD, 0);
                mv.visitVarInsn(ALOAD, 1);
                mv.visitMethodInsn(INVOKEINTERFACE, name, "get" + fm.titleFieldName(),
                        "()" + fm.bcLFieldType());
                mv.visitMethodInsn(INVOKEVIRTUAL, name2, "set" + fm.titleFieldName(),
                        "(" + fm.bcLFieldType() + ")V");
            }
        }
        mv.visitLabel(l17);
        mv.visitLineNumber(251, l17);
        mv.visitInsn(RETURN);
        final Label l27 = new Label();
        mv.visitLabel(l27);
        mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l27, 0);
        mv.visitLocalVariable("t", "L" + name + ";", null, l0, l27, 1);
        if (copySimpleValues) {
            mv.visitLocalVariable("mte", "L" + name + "Element;", null, l6, l4, 2);
        }
        mv.visitMaxs(4, 3);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "copyOf", "(Ljava/lang/Object;)V", null,
                null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(275, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitTypeInsn(CHECKCAST, name);
        mv.visitMethodInsn(INVOKEVIRTUAL, name2, "copyOf", "(L" + name + ";)V");
        mv.visitInsn(RETURN);
        final Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l1, 0);
        mv.visitLocalVariable("x0", "Ljava/lang/Object;", null, l0, l1, 1);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "writeExternal", "(Ljava/io/ObjectOutput;)V", null,
                new String[] { "java/io/IOException" });
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(185, l0);
        for (final FieldModel fm : tm.fields()) {
            mv.visitVarInsn(ALOAD, 1);
            if (fm.bcLSetType().equals(fm.bcLFieldType())) {
                mv.visitVarInsn(ALOAD, 0);
                mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType());
                mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "write",
                        "(Ljava/io/ObjectOutput;" + fm.bcLSetType() + ")V");
            } else {
                mv.visitLdcInsn(Type.getType(fm.bcLFieldType()));
                mv.visitVarInsn(ALOAD, 0);
                mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType());
                mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "write",
                        "(Ljava/io/ObjectOutput;Ljava/lang/Class;" + fm.bcLSetType() + ")V");
            }
        }
        final Label l13 = new Label();
        mv.visitLabel(l13);
        mv.visitLineNumber(288, l13);
        mv.visitInsn(RETURN);
        final Label l14 = new Label();
        mv.visitLabel(l14);
        mv.visitLocalVariable("this", "L" + name2 + ';', null, l0, l14, 0);
        mv.visitLocalVariable("out", "Ljava/io/ObjectOutput;", null, l0, l14, 1);
        mv.visitMaxs(4, 2);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "readExternal", "(Ljava/io/ObjectInput;)V", null,
                new String[] { "java/io/IOException", "java/lang/ClassNotFoundException" });
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(287, l0);
        for (final FieldModel fm : tm.fields()) {
            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 1);
            if (fm.bcLSetType().equals(fm.bcLFieldType())) {
                mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "read",
                        "(Ljava/io/ObjectInput;)" + fm.bcLSetType());
            } else {
                mv.visitLdcInsn(Type.getType(fm.bcLFieldType()));
                mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "read",
                        "(Ljava/io/ObjectInput;Ljava/lang/Class;)" + fm.bcLSetType());
                mv.visitTypeInsn(CHECKCAST, fm.bcFieldType());
            }
            mv.visitMethodInsn(INVOKEVIRTUAL, name2, "set" + fm.titleFieldName(),
                    "(" + fm.bcLFieldType() + ")V");
        }
        final Label l13 = new Label();
        mv.visitLabel(l13);
        mv.visitLineNumber(305, l13);
        mv.visitInsn(RETURN);
        final Label l14 = new Label();
        mv.visitLabel(l14);
        mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l14, 0);
        mv.visitLocalVariable("in", "Ljava/io/ObjectInput;", null, l0, l14, 1);
        mv.visitMaxs(3, 2);
        mv.visitEnd();
    }
}

From source file:com.weibo.lodil.mmap.impl.GenerateHugeArrays.java

License:Apache License

public static byte[] dumpImpl(final TypeModel tm) {

    final ClassWriter cw = new ClassWriter(0);
    FieldVisitor fv;/*  www .  jav a 2s . c  o m*/
    MethodVisitor mv;

    final String name = tm.bcType();

    cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, name + "Impl",
            "Ljava/lang/Object;L" + name + ";L" + collections + "api/HugeElement<L" + name
                    + ";>;Ljava/io/Externalizable;",
            "java/lang/Object",
            new String[] { name, collections + "api/HugeElement", "java/io/Externalizable" });

    cw.visitSource(tm.getClass().getSimpleName() + "Impl.java", null);

    for (final FieldModel fm : tm.fields()) {
        fv = cw.visitField(ACC_PRIVATE, "m_" + fm.fieldName(), fm.bcLFieldType(), null, null);
        fv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(30, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        mv.visitInsn(RETURN);
        final Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l1, 0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    for (final FieldModel fm : tm.fields()) {
        mv = cw.visitMethod(ACC_PUBLIC, "set" + fm.titleFieldName(), "(" + fm.bcLFieldType() + ")V", null,
                null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(47, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(loadFor(fm.bcType()), 1);
        mv.visitFieldInsn(PUTFIELD, name + "Impl", "m_" + fm.fieldName(), fm.bcLFieldType());
        final Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLineNumber(48, l1);
        mv.visitInsn(RETURN);
        final Label l2 = new Label();
        mv.visitLabel(l2);
        mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l2, 0);
        mv.visitLocalVariable("b", fm.bcLFieldType(), null, l0, l2, 1);
        mv.visitMaxs(1 + fm.bcFieldSize(), 1 + fm.bcFieldSize());
        mv.visitEnd();

        mv = cw.visitMethod(ACC_PUBLIC, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType(), null, null);
        mv.visitCode();
        final Label l3 = new Label();
        mv.visitLabel(l3);
        mv.visitLineNumber(45, l3);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, name + "Impl", "m_" + fm.fieldName(), fm.bcLFieldType());
        mv.visitInsn(returnFor(fm.bcType()));
        final Label l4 = new Label();
        mv.visitLabel(l4);
        mv.visitLocalVariable("this", "L" + name + "Impl;", null, l3, l4, 0);
        mv.visitMaxs(1 + fm.bcFieldSize(), 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "index", "(J)V", null, null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(175, l0);
        mv.visitTypeInsn(NEW, "java/lang/UnsupportedOperationException");
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/UnsupportedOperationException", "<init>", "()V");
        mv.visitInsn(ATHROW);
        final Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l1, 0);
        mv.visitLocalVariable("n", "J", null, l0, l1, 1);
        mv.visitMaxs(2, 3);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "index", "()J", null, null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(180, l0);
        mv.visitInsn(LCONST_0);
        mv.visitInsn(LRETURN);
        final Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l1, 0);
        mv.visitMaxs(2, 1);
        mv.visitEnd();
    }
    appendToStringHashCodeEqualsCopyOf(tm, cw, name + "Impl", false);

    {
        mv = cw.visitMethod(ACC_PUBLIC, "hugeElementType", "()L" + collections + "api/HugeElementType;", null,
                null);
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(236, l0);
        mv.visitFieldInsn(GETSTATIC, collections + "api/HugeElementType", "BeanImpl",
                "L" + collections + "api/HugeElementType;");
        mv.visitInsn(ARETURN);
        final Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l1, 0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    cw.visitEnd();

    final byte[] bytes = cw.toByteArray();
    // ClassReader cr = new ClassReader(bytes);
    // cr.accept(new ASMifierClassVisitor(new PrintWriter(System.out)), 0);

    return bytes;
}

From source file:de.chimos.property.compiler.passtwo.javafx.PassTwoJFXClassVisitor.java

License:Open Source License

protected void generatePropertyMethod(PropertyInfo property) {
    MethodVisitor mv = cv.visitMethod(property.writeAccessLevel + ACC_FINAL, property.propertyMethodName,
            "()" + property.propertyInterfaceSignature,
            property.propertyInterfaceSignatureGeneric != null
                    ? "()" + property.propertyInterfaceSignatureGeneric
                    : null,/* w  w w  .  ja va  2 s  . com*/
            null);
    {
        AnnotationVisitor av0 = mv.visitAnnotation("L" + Property.class.getName().replace('.', '/') + ";",
                true);
        av0.visit("writeable", Boolean.TRUE);
        av0.visit("name", property.propertyName);
        av0.visit("dataSignature", property.dataSignature);
        av0.visit("dataSignatureGeneric",
                property.dataSignatureGeneric != null ? property.dataSignatureGeneric : "");
        av0.visit("humanReadableName",
                property.humanReadablePropertyName != null ? property.humanReadablePropertyName : "");
        av0.visitEnd();
    }
    mv.visitCode();
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, className, property.propertyFieldName, property.propertyDataSignature);
    Label l1 = new Label();
    mv.visitJumpInsn(IFNONNULL, l1);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitTypeInsn(NEW, property.propertyDataType);
    mv.visitInsn(DUP);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitLdcInsn(property.propertyName);
    mv.visitMethodInsn(INVOKESPECIAL, property.propertyDataType, "<init>",
            "(Ljava/lang/Object;Ljava/lang/String;)V");
    mv.visitFieldInsn(PUTFIELD, className, property.propertyFieldName, property.propertyDataSignature);
    mv.visitLabel(l1);
    mv.visitFrame(F_SAME, 0, null, 0, null);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, className, property.propertyFieldName, property.propertyDataSignature);
    mv.visitTypeInsn(CHECKCAST, property.propertyInterfaceType);
    mv.visitInsn(ARETURN);
    Label l3 = new Label();
    mv.visitLabel(l3);
    mv.visitLocalVariable("this", "L" + className + ";", null, l0, l3, 0);
    mv.visitMaxs(5, 1);
    mv.visitEnd();
}

From source file:de.chimos.property.compiler.passtwo.javafx.PassTwoJFXClassVisitor.java

License:Open Source License

protected void generateReadOnlyPropertyMethod(PropertyInfo property) {
    MethodVisitor mv = cv.visitMethod(property.readAccessLevel + ACC_FINAL, property.readOnlyPropertyMethodName,
            "()" + property.readOnlyPropertyInterfaceSignature,
            property.readOnlyPropertyInterfaceSignatureGeneric != null
                    ? "()" + property.readOnlyPropertyInterfaceSignatureGeneric
                    : null,// w  w w  .  j  a v a  2s. c o m
            null);
    {
        AnnotationVisitor av0 = mv.visitAnnotation("L" + Property.class.getName().replace('.', '/') + ";",
                true);
        av0.visit("writeable", Boolean.FALSE);
        av0.visit("name", property.propertyName);
        av0.visit("dataSignature", property.dataSignature);
        av0.visit("dataSignatureGeneric",
                property.dataSignatureGeneric != null ? property.dataSignatureGeneric : "");
        av0.visit("humanReadableName",
                property.humanReadablePropertyName != null ? property.humanReadablePropertyName : "");
        av0.visitEnd();
    }
    mv.visitCode();
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, className, property.propertyFieldName, property.propertyDataSignature);
    Label l1 = new Label();
    mv.visitJumpInsn(IFNONNULL, l1);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitTypeInsn(NEW, property.propertyDataType);
    mv.visitInsn(DUP);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitLdcInsn(property.propertyName);
    mv.visitMethodInsn(INVOKESPECIAL, property.propertyDataType, "<init>",
            "(Ljava/lang/Object;Ljava/lang/String;)V");
    mv.visitFieldInsn(PUTFIELD, className, property.propertyFieldName, property.propertyDataSignature);
    mv.visitLabel(l1);
    mv.visitFrame(F_SAME, 0, null, 0, null);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, className, property.propertyFieldName, property.propertyDataSignature);
    mv.visitMethodInsn(INVOKEVIRTUAL, property.propertyDataType, "getReadOnlyProperty",
            "()" + property.readOnlyPropertyInterfaceSignature);
    mv.visitTypeInsn(CHECKCAST, property.readOnlyPropertyInterfaceType);
    mv.visitInsn(ARETURN);
    Label l3 = new Label();
    mv.visitLabel(l3);
    mv.visitLocalVariable("this", "L" + className + ";", null, l0, l3, 0);
    mv.visitMaxs(5, 1);
    mv.visitEnd();
}

From source file:de.chimos.property.compiler.passtwo.javafx.PassTwoJFXClassVisitor.java

License:Open Source License

protected void generateInternalGetterMethod(PropertyInfo property) {
    MethodVisitor mv = cv.visitMethod(ACC_PRIVATE + ACC_FINAL, property.internalGetterMethodName,
            "()" + property.dataSignature,
            property.dataSignatureGeneric != null ? "()" + property.dataSignatureGeneric : null, null);
    mv.visitCode();//w  w w. ja  v  a 2  s  .c om
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKEVIRTUAL, className, property.propertyMethodName,
            "()" + property.propertyInterfaceSignature);
    mv.visitMethodInsn(INVOKEVIRTUAL, property.propertyInterfaceType, "getValue", "()Ljava/lang/Object;");
    mv.visitTypeInsn(CHECKCAST, property.dataType);
    mv.visitInsn(ARETURN);
    Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLocalVariable("this", "L" + className + ";", null, l0, l1, 0);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}

From source file:de.chimos.property.compiler.passtwo.javafx.PassTwoJFXClassVisitor.java

License:Open Source License

protected void generateInternalSetterMethod(PropertyInfo property) {
    MethodVisitor mv = cv.visitMethod(ACC_PRIVATE + ACC_FINAL, property.internalSetterMethodName,
            "(" + property.dataSignature + ")V",
            property.dataSignatureGeneric != null ? "(" + property.dataSignatureGeneric + ")V" : null, null);
    mv.visitCode();/*from  w  w w .  j  a  v a 2 s.  c  om*/
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKEVIRTUAL, className, property.propertyMethodName,
            "()" + property.propertyInterfaceSignature);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKEVIRTUAL, property.propertyInterfaceType, "setValue", "(Ljava/lang/Object;)V");
    Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitInsn(RETURN);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitLocalVariable("this", "L" + className + ";", null, l0, l2, 0);
    mv.visitLocalVariable("value", property.dataSignature, null, l0, l2, 1);
    mv.visitMaxs(2, 2);
    mv.visitEnd();
}

From source file:de.chimos.property.compiler.passtwo.javafx.PassTwoJFXClassVisitor.java

License:Open Source License

protected void generateGetterMethod(PropertyInfo property) {
    MethodVisitor mv = cv.visitMethod(property.readAccessLevel, property.getterMethodName,
            "()" + property.dataSignature,
            property.dataSignatureGeneric != null ? "()" + property.dataSignatureGeneric : null, null);
    if (property.enableSerialization == true && config.serialization == Config.Serialization.JAXB) {
        AnnotationVisitor av0 = mv.visitAnnotation("Ljavax/xml/bind/annotation/XmlElement;", true);
        av0.visitEnd();/*from  ww  w  . j  av  a2s  .c o m*/
    }
    mv.visitCode();
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, className, property.internalGetterMethodName,
            "()" + property.dataSignature);
    mv.visitInsn(ARETURN);
    Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLocalVariable("this", "L" + className + ";", null, l0, l1, 0);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}

From source file:de.chimos.property.compiler.passtwo.javafx.PassTwoJFXClassVisitor.java

License:Open Source License

protected void generateSetterMethod(PropertyInfo property) {
    MethodVisitor mv = cv.visitMethod(property.writeAccessLevel, property.setterMethodName,
            "(" + property.dataSignature + ")V",
            property.dataSignatureGeneric != null ? "(" + property.dataSignatureGeneric + ")V" : null, null);
    mv.visitCode();/* w w  w  .ja v  a  2 s  . c  om*/
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKESPECIAL, className, property.internalSetterMethodName,
            "(" + property.dataSignature + ")V");
    Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitInsn(RETURN);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitLocalVariable("this", "L" + className + ";", null, l0, l2, 0);
    mv.visitLocalVariable("value", property.dataSignature, null, l0, l2, 1);
    mv.visitMaxs(2, 2);
    mv.visitEnd();
}

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//  www.  j a  v a  2s  .c om
 */
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.topicmapslab.aranuka.proxy.ProxyAdapter.java

License:Apache License

@Override
public void visitEnd() {
    MethodVisitor visitMethod = super.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    visitMethod.visitCode();/*from   ww w. j  a va  2  s  .  c om*/
    visitMethod.visitVarInsn(ALOAD, 0);
    visitMethod.visitMethodInsn(INVOKESPECIAL, oldName, "<init>", "()V");
    visitMethod.visitInsn(RETURN);
    visitMethod.visitMaxs(1, 1);
    visitMethod.visitEnd();

    super.visitField(ACC_PRIVATE, "methodInterceptor", "Lde/topicmapslab/aranuka/proxy/IMethodInterceptor;",
            null, null).visitEnd();

    visitMethod = super.visitMethod(ACC_PRIVATE, "setMethodInterceptor",
            "(Lde/topicmapslab/aranuka/proxy/IMethodInterceptor;)V", null, null);
    visitMethod.visitCode();
    visitMethod.visitVarInsn(ALOAD, 0);
    visitMethod.visitVarInsn(ALOAD, 1);
    visitMethod.visitFieldInsn(PUTFIELD, newName, "methodInterceptor",
            "Lde/topicmapslab/aranuka/proxy/IMethodInterceptor;");
    visitMethod.visitInsn(RETURN);
    visitMethod.visitMaxs(2, 2);
    visitMethod.visitEnd();

    super.visitEnd();
}