Example usage for org.objectweb.asm Opcodes ACC_PUBLIC

Introduction

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

Prototype

int ACC_PUBLIC

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

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Usage

From source file:edu.umd.cs.guitar.testcase.plugin.edg.ClassDBVisitor.java

License:Open Source License

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
    currentMethod = getMethod(currentClass, name, desc);
    currentMethod.setDesc(desc);/*  w  ww  .ja va  2 s . c  o  m*/
    currentMethod.setSignature(signature);
    currentMethod.setExceptions(exceptions);
    isActionPerformedMethod = AP_NAME.equals(name) && AP_DESC.equals(desc)
            && (access & Opcodes.ACC_PUBLIC) != 0;
    return this;
}

---

From source file:erjang.EFun.java

License:Apache License

static byte[] gen_fun_class_data(int arity) {

    String self_type = EFUN_TYPE.getInternalName() + arity;

    ClassWriter cw = new ClassWriter(true);
    cw.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC | Opcodes.ACC_ABSTRACT, self_type, null,
            EFUN_TYPE.getInternalName(), null);

    make_invoke_method(cw, self_type, arity);

    CompilerVisitor.make_invoketail_method(cw, self_type, arity, 0);

    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "arity", "()I", null, null);
    mv.visitCode();//from  w w  w  . j  a v a 2  s . c  o  m
    mv.visitLdcInsn(new Integer(arity));
    mv.visitInsn(Opcodes.IRETURN);
    mv.visitMaxs(2, 2);
    mv.visitEnd();

    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "invoke", "(" + EPROC_TYPE.getDescriptor()
            + EOBJECT_ARR_TYPE.getDescriptor() + ")" + EOBJECT_TYPE.getDescriptor(), null, PAUSABLE_EX);
    mv.visitCode();
    mv.visitVarInsn(Opcodes.ALOAD, 0); // load this
    mv.visitVarInsn(Opcodes.ALOAD, 1); // load proc
    for (int i = 0; i < arity; i++) {
        mv.visitVarInsn(Opcodes.ALOAD, 2);
        push_int(mv, i);
        mv.visitInsn(Opcodes.AALOAD);
    }

    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, self_type, "invoke", EUtil.getSignature(arity, true));

    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(arity + 2, arity + 2);
    mv.visitEnd();

    mv = cw.visitMethod(Opcodes.ACC_PROTECTED, "<init>", "()V", null, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, EFUN_TYPE.getInternalName(), "<init>", "()V");
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();

    make_cast_method(cw, arity);

    cw.visitEnd();

    byte[] data = cw.toByteArray();
    return data;
}

---

From source file:erjang.EFun.java

License:Apache License

private static void make_cast_method(ClassWriter cw, int n) {
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC, "cast",
            "(" + EOBJECT_DESC + ")L" + EFUN_NAME + n + ";", null, null);
    mv.visitCode();// w w w. j  a v a2 s  .c  o m

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitTypeInsn(INSTANCEOF, EFUN_NAME + n);

    Label fail = new Label();

    mv.visitJumpInsn(Opcodes.IFEQ, fail);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitTypeInsn(Opcodes.CHECKCAST, EFUN_NAME + n);
    mv.visitInsn(Opcodes.ARETURN);

    mv.visitLabel(fail);
    mv.visitInsn(Opcodes.ACONST_NULL);
    mv.visitInsn(Opcodes.ARETURN);

    mv.visitMaxs(2, 2);
    mv.visitEnd();
}

---

From source file:erjang.EFun.java

License:Apache License

static byte[] get_exported_fun_class_data(int arity) {
    /* Code template://from  w  w w . j ava 2 s .  c o  m
     * public abstract class EFun{arity}Exported extends EFun{arity} {
     *   protected final EAtom module_name, function_name;
     *   protected EFun{arity}Exported(String m, String f) {
     *     module_name   = EAtom.intern(m);
     *     function_name = EAtom.intern(f);
     *   }
     * }
     */

    ensure(arity); // Ensure presence of superclass.
    String super_type = EFUN_TYPE.getInternalName() + arity;
    String self_type = super_type + "Exported";

    ClassWriter cw = new ClassWriter(true);
    cw.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC | Opcodes.ACC_ABSTRACT, self_type, null, super_type, null);

    cw.visitField(ACC_PROTECTED | ACC_FINAL, "module_name", EATOM_TYPE.getDescriptor(), null, null).visitEnd();

    cw.visitField(ACC_PROTECTED | ACC_FINAL, "function_name", EATOM_TYPE.getDescriptor(), null, null)
            .visitEnd();

    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PROTECTED, "<init>",
            "(Ljava/lang/String;Ljava/lang/String;)V", null, null);

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, super_type, "<init>", "()V");

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, EATOM_TYPE.getInternalName(), "intern",
            "(Ljava/lang/String;)Lerjang/EAtom;");
    mv.visitFieldInsn(Opcodes.PUTFIELD, self_type, "module_name", EATOM_DESC);

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, EATOM_TYPE.getInternalName(), "intern",
            "(Ljava/lang/String;)Lerjang/EAtom;");
    mv.visitFieldInsn(Opcodes.PUTFIELD, self_type, "function_name", EATOM_DESC);

    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(3, 3);
    mv.visitEnd();

    make_encode_method_for_exported(cw, self_type, arity);

    cw.visitEnd();

    byte[] data = cw.toByteArray();
    return data;
}

---

From source file:erjang.ETuple.java

License:Apache License

static byte[] make_tuple_class_data(int num_cells) {
    ClassWriter cww = new ClassWriter(true);

    CheckClassAdapter cw = new CheckClassAdapter(cww);

    String this_class_name = ETUPLE_NAME + num_cells;
    String super_class_name = ETUPLE_NAME;
    cw.visit(Opcodes.V1_4, Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER, this_class_name, null, super_class_name,
            null);/*from ww  w .ja va  2 s . c o m*/

    // create fields

    for (int i = 1; i <= num_cells; i++) {
        cw.visitField(Opcodes.ACC_PUBLIC, "elem" + i, ETERM_TYPE.getDescriptor(), null, null);
    }

    // create count method
    create_count(cw, num_cells);

    // create cast method
    create_cast(cw, num_cells);
    create_cast2(cw, num_cells);

    // create constructor
    create_constructor(cw, super_class_name);

    // create copy
    create_tuple_copy(num_cells, cw, this_class_name, super_class_name);

    // create nth
    create_tuple_nth(num_cells, cw, this_class_name);

    // create set
    create_tuple_set(num_cells, cw, this_class_name);

    cw.visitEnd();
    byte[] data = cww.toByteArray();

    // dump(this_class_name, data);

    return data;
}

---

From source file:erjang.ETuple.java

License:Apache License

private static void create_tuple_copy(int i, ClassAdapter cw, String this_class_name, String super_class_name) {
    MethodVisitor mv;/*w  ww . j ava2 s .c o m*/
    make_blank_bridge(cw, this_class_name, super_class_name);

    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "blank", "()L" + this_class_name + ";", null, null);
    mv.visitCode();
    mv.visitTypeInsn(Opcodes.NEW, this_class_name);
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, this_class_name, "<init>", "()V");

    mv.visitInsn(Opcodes.ARETURN);

    mv.visitMaxs(3, 3);
    mv.visitEnd();
}

---

From source file:erjang.ETuple.java

License:Apache License

private static void make_blank_bridge(ClassAdapter cw, String this_class_name, String super_class_name) {
    MethodVisitor mv;/* w ww  .j  a  va  2  s . c  o  m*/
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC | Opcodes.ACC_BRIDGE, "blank",
            "()L" + super_class_name + ";", null, null);
    mv.visitCode();
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, this_class_name, "blank", "()L" + this_class_name + ";");
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}

---

From source file:erjang.ETuple.java

License:Apache License

private static void create_tuple_nth(int n_cells, ClassAdapter cw, String this_class_name) {
    MethodVisitor mv;/*from   w ww .j  av a2s . c  om*/
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "elm", "(I)" + ETERM_TYPE.getDescriptor(), null, null);
    mv.visitCode();

    Label dflt = new Label();
    Label[] labels = new Label[n_cells];
    for (int i = 0; i < n_cells; i++) {
        labels[i] = new Label();
    }

    mv.visitVarInsn(Opcodes.ILOAD, 1);
    mv.visitTableSwitchInsn(1, n_cells, dflt, labels);

    for (int zbase = 0; zbase < n_cells; zbase++) {

        mv.visitLabel(labels[zbase]);

        mv.visitVarInsn(Opcodes.ALOAD, 0); // load this
        String field = "elem" + (zbase + 1);

        mv.visitFieldInsn(Opcodes.GETFIELD, this_class_name, field, ETERM_TYPE.getDescriptor());
        mv.visitInsn(Opcodes.ARETURN);
    }

    mv.visitLabel(dflt);

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ILOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, ETUPLE_NAME, "bad_nth", "(I)" + ETERM_TYPE.getDescriptor());
    mv.visitInsn(Opcodes.ARETURN); // make compiler happy

    mv.visitMaxs(3, 2);
    mv.visitEnd();
}

---

From source file:erjang.ETuple.java

License:Apache License

private static void create_tuple_set(int n_cells, ClassAdapter cw, String this_class_name) {
    MethodVisitor mv;/*  w w  w . ja  v a  2  s . c o m*/
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "set", "(I" + ETERM_TYPE.getDescriptor() + ")V", null, null);
    mv.visitCode();

    Label dflt = new Label();
    Label[] labels = new Label[n_cells];
    for (int i = 0; i < n_cells; i++) {
        labels[i] = new Label();
    }

    mv.visitVarInsn(Opcodes.ILOAD, 1);
    mv.visitTableSwitchInsn(1, n_cells, dflt, labels);

    for (int zbase = 0; zbase < n_cells; zbase++) {

        mv.visitLabel(labels[zbase]);

        mv.visitVarInsn(Opcodes.ALOAD, 0); // load this
        mv.visitVarInsn(Opcodes.ALOAD, 2); // load term

        String field = "elem" + (zbase + 1);

        mv.visitFieldInsn(Opcodes.PUTFIELD, this_class_name, field, ETERM_TYPE.getDescriptor());
        mv.visitInsn(Opcodes.RETURN);
    }

    mv.visitLabel(dflt);

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ILOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, ETUPLE_NAME, "bad_nth", "(I)" + ETERM_TYPE.getDescriptor());
    mv.visitInsn(Opcodes.POP);
    mv.visitInsn(Opcodes.RETURN); // make compiler happy

    mv.visitMaxs(3, 3);
    mv.visitEnd();
}

---

From source file:erjang.ETuple.java

License:Apache License

private static void create_count(ClassAdapter cw, int n) {
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "arity", "()I", null, null);
    mv.visitCode();/*from w w  w  .  j  a v a2  s. c o  m*/

    if (n <= 5) {
        mv.visitInsn(Opcodes.ICONST_0 + n);
    } else {
        mv.visitLdcInsn(new Integer(n));
    }
    mv.visitInsn(Opcodes.IRETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}

---

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