Example usage for org.objectweb.asm Opcodes ACC

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:com.devexperts.usages.ClassUsagesAnalyzer.java

License:Open Source License

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
    String methodMemberName = Member.methodMemberName(name, Type.getType(desc));
    Member usedFrom = cache.resolveMember(className, methodMemberName);
    markTypeUse(Type.getType(desc), usedFrom, UseKind.UNKNOWN); // will be replaced by RETURN/ARGUMENT
    markSignatureUse(signature, usedFrom);
    if (exceptions != null)
        for (String ex : exceptions)
            makeTypeUse(toClassName(ex), usedFrom, UseKind.THROW);
    if ((access & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED)) != 0 && ((access & Opcodes.ACC_STATIC) == 0)
            && !name.equals(INIT_METHOD))
        usages.getUsagesForClass(className).addInheritableMember(methodMemberName);
    return new MethodAnalyzer(usedFrom);
}

From source file:com.devexperts.usages.PublicApiAnalyzer.java

License:Open Source License

private static boolean isPublicApi(int access) {
    return (access & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED)) != 0;
}

From source file:com.e2info.helloasm.HelloAsmApp.java

License:Open Source License

public static void main(String[] args) throws IOException {
    String name = "HelloAsm";
    int flag = ClassWriter.COMPUTE_MAXS;
    ClassWriter cw = new ClassWriter(flag);
    cw.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, name, null, "java/lang/Object", null);

    cw.visitSource(name + ".java", null);

    {//from   w  ww .j a v  a2s. c  om
        MethodVisitor mv;
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        mv.visitInsn(Opcodes.RETURN);
        // we need this call to take effect ClassWriter.COMPUTE_MAXS flag.
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    {
        MethodVisitor mv;
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "main", "([Ljava/lang/String;)V", null,
                null);
        mv.visitCode();
        mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
        mv.visitLdcInsn("hello ASM");
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V");
        mv.visitInsn(Opcodes.RETURN);
        // we need this call to take effect ClassWriter.COMPUTE_MAXS flag.
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    cw.visitEnd();

    // build binary
    byte[] bin = cw.toByteArray();

    // save asm trace for human readable
    {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        new ClassReader(bin).accept(new TraceClassVisitor(pw), 0);
        File f = new File(name + ".txt");
        FileUtils.writeStringToFile(f, sw.toString());
    }

    // save as calss file
    {
        File f = new File(name + ".class");
        FileUtils.writeByteArrayToFile(f, bin);
    }

}

From source file:com.facebook.buck.jvm.java.abi.AbiFilteringClassVisitorTest.java

License:Apache License

@Test
public void testExcludesSyntheticFields() {
    testExcludesFieldWithAccess(Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC);
}

From source file:com.facebook.buck.jvm.java.abi.AbiFilteringClassVisitorTest.java

License:Apache License

@Test
public void testIncludesPublicFields() {
    testIncludesFieldWithAccess(Opcodes.ACC_PUBLIC);
}

From source file:com.facebook.buck.jvm.java.abi.AbiFilteringClassVisitorTest.java

License:Apache License

@Test
public void testNotConfusedByOtherFieldAccessFlagsIncluding() {
    testIncludesFieldWithAccess(Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC | Opcodes.ACC_VOLATILE);
}

From source file:com.facebook.buck.jvm.java.abi.AbiFilteringClassVisitorTest.java

License:Apache License

@Test
public void testIncludesPackageMethods() {
    testIncludesMethodWithAccess(Opcodes.ACC_PUBLIC);
}

From source file:com.facebook.buck.jvm.java.abi.AbiFilteringClassVisitorTest.java

License:Apache License

@Test
public void testIncludesProtectedMethods() {
    testIncludesMethodWithAccess(Opcodes.ACC_PUBLIC);
}

From source file:com.facebook.buck.jvm.java.abi.AbiFilteringClassVisitorTest.java

License:Apache License

@Test
public void testIncludesPublicMethods() {
    testIncludesMethodWithAccess(Opcodes.ACC_PUBLIC);
}

From source file:com.facebook.buck.jvm.java.abi.AbiFilteringClassVisitorTest.java

License:Apache License

@Test
public void testExcludesSyntheticMethods() {
    testExcludesMethodWithAccess(Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC);
}

Example usage for org.objectweb.asm Opcodes ACC_PUBLIC

Introduction

Prototype

Usage