Example usage for org.objectweb.asm.signature SignatureReader SignatureReader

Introduction

In this page you can find the example usage for org.objectweb.asm.signature SignatureReader SignatureReader.

Prototype

public SignatureReader(final String signature) 

Source Link

Document

Constructs a SignatureReader for the given signature.

Usage

From source file:com.android.build.gradle.shrinker.DependencyFinderVisitor.java

License:Apache License

@Override
public void visit(int version, int access, String name, String signature, String superName,
        String[] interfaces) {//from   w ww . j  a  v  a2 s. co  m
    if (interfaces == null) {
        interfaces = new String[0];
    }

    mKlass = mGraph.getClassReference(name);
    if (superName != null && !isSdkPackage(superName)) {
        // Don't create graph edges for obvious things.
        handleDependency(mKlass, mGraph.getClassReference(superName), DependencyType.REQUIRED_CLASS_STRUCTURE);
    }

    if (interfaces.length > 0) {
        handleInterfaceInheritance(mKlass);

        if (!Objects.equal(superName, "java/lang/Object")) {
            // It's possible the superclass is implementing a method from the interface, we may
            // need to add more edges to the graph to represent this.
            handleMultipleInheritance(mKlass);
        }
    }

    mClassName = name;
    mIsAnnotation = (access & Opcodes.ACC_ANNOTATION) != 0;

    if (signature != null) {
        SignatureReader reader = new SignatureReader(signature);
        SignatureVisitor visitor = new DependencyFinderSignatureVisitor();
        reader.accept(visitor);
    }

    super.visit(version, access, name, signature, superName, interfaces);
}

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From source file:com.android.build.gradle.shrinker.DependencyFinderVisitor.java

License:Apache License

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
    T method = mGraph.getMemberReference(mClassName, name, desc);

    if ((access & Opcodes.ACC_STATIC) == 0 && !name.equals(ByteCodeUtils.CONSTRUCTOR)) {
        handleVirtualMethod(method);/* w ww .  j  av  a 2 s .c  o  m*/
    }

    // Keep class initializers, but also keep all default constructors. This is the ProGuard
    // behavior,
    if (name.equals(ByteCodeUtils.CLASS_INITIALIZER)
            || (name.equals(ByteCodeUtils.CONSTRUCTOR) && desc.equals("()V"))) {
        handleDependency(mKlass, method, DependencyType.REQUIRED_CLASS_STRUCTURE);
    }

    if (mIsAnnotation) {
        // TODO: Strip unused annotation classes members.
        handleDependency(mKlass, method, DependencyType.REQUIRED_CLASS_STRUCTURE);
    }

    if (signature != null) {
        SignatureReader reader = new SignatureReader(signature);
        SignatureVisitor visitor = new DependencyFinderSignatureVisitor();
        reader.accept(visitor);
    }

    return new DependencyFinderMethodVisitor(method, desc,
            super.visitMethod(access, name, desc, signature, exceptions));
}

---

From source file:com.android.build.gradle.shrinker.DependencyFinderVisitor.java

License:Apache License

@Override
public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
    T field = mGraph.getMemberReference(mClassName, name, desc);
    Type fieldType = Type.getType(desc);
    handleDeclarationType(field, fieldType);

    if (signature != null) {
        SignatureReader reader = new SignatureReader(signature);
        SignatureVisitor visitor = new DependencyFinderSignatureVisitor();
        reader.acceptType(visitor);//from w  w w.ja  v  a 2  s . com
    }

    return super.visitField(access, name, desc, signature, value);
}

---

From source file:com.android.builder.shrinker.DependencyFinderVisitor.java

License:Apache License

@Override
public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
    T field = mGraph.getMemberReference(mClassName, name, desc);
    Type fieldType = Type.getType(desc);
    handleDeclarationType(field, fieldType);

    if (signature != null) {
        SignatureReader reader = new SignatureReader(signature);
        SignatureVisitor visitor = new DependencyFinderSignatureVisitor(field);
        reader.acceptType(visitor);/*w w  w  .ja  v  a 2  s. c o  m*/
    }

    return super.visitField(access, name, desc, signature, value);
}

---

From source file:com.android.builder.shrinker.DependencyFinderVisitor.java

License:Apache License

private void handleClassSignature(T source, String signature) {
    SignatureReader reader = new SignatureReader(signature);
    SignatureVisitor visitor = new DependencyFinderSignatureVisitor(source);
    reader.accept(visitor);//from w  w  w . j a va2s  . c om
}

---

From source file:com.android.mkstubs.sourcer.ClassSourcer.java

License:Apache License

@Override
public void visit(int version, int access, String name, String signature, String superName,
        String[] interfaces) {/*from w  w w.  ja  v a2  s.  c o  m*/

    String pkg = name.substring(0, name.lastIndexOf('/')).replace('/', '.');
    mClassName = name.substring(name.lastIndexOf('/') + 1);

    mOutput.write("package %s;\n", pkg);

    // dump access keywords. Note: do not dump "super" here
    mAccessSourcer.write(access & ~Opcodes.ACC_SUPER, AccessSourcer.IS_CLASS);

    // write class name
    mOutput.write(" class %s", mClassName);

    if (signature != null) {
        // write template formal definition and super type
        SignatureReader sigReader = new SignatureReader(signature);
        SignatureSourcer sigSourcer = new SignatureSourcer();
        sigReader.accept(sigSourcer);

        if (sigSourcer.hasFormalsContent()) {
            mOutput.write(sigSourcer.formalsToString());
        }

        mOutput.write(" extends %s", sigSourcer.getSuperClass().toString());

    } else {
        // write non-generic super type
        mOutput.write(" extends %s", superName.replace('/', '.'));
    }

    // write interfaces defined, if any
    if (interfaces != null && interfaces.length > 0) {
        mOutput.write(" implements ");
        boolean need_sep = false;
        for (String i : interfaces) {
            if (need_sep) {
                mOutput.write(", ");
            }
            mOutput.write(i.replace('/', '.'));
            need_sep = true;
        }
    }

    // open class body
    mOutput.write(" {\n");
}

---

From source file:com.android.mkstubs.sourcer.FieldSourcer.java

License:Apache License

@Override
public void visitEnd() {
    // Need to write type and field name after the annotations and attributes.

    AccessSourcer as = new AccessSourcer(mOutput);
    as.write(mAccess, AccessSourcer.IS_FIELD);

    if (mSignature == null) {
        mOutput.write(" %s", Type.getType(mDesc).getClassName());
    } else {/*from   w  w  w  . j ava2  s. co  m*/
        mOutput.write(" ");
        SignatureReader sigReader = new SignatureReader(mSignature);
        SignatureSourcer sigSourcer = new SignatureSourcer();
        sigReader.acceptType(sigSourcer);
        mOutput.write(sigSourcer.toString());
    }

    mOutput.write(" %s", mName);

    mOutput.write(";\n");
}

---

From source file:com.android.mkstubs.sourcer.MethodSourcer.java

License:Apache License

private void writeHeader() {
    if (!mNeedDeclaration) {
        return;// w ww  .  j  a va2 s . c o m
    }

    AccessSourcer as = new AccessSourcer(mOutput);
    as.write(mAccess, AccessSourcer.IS_METHOD);

    // preprocess the signature to get the return type and the arguments
    SignatureSourcer sigSourcer = null;
    if (mSignature != null) {
        SignatureReader sigReader = new SignatureReader(mSignature);
        sigSourcer = new SignatureSourcer();
        sigReader.accept(sigSourcer);

        if (sigSourcer.hasFormalsContent()) {
            // dump formal template parameter definitions
            mOutput.write(" %s", sigSourcer.formalsToString());
        }
    }

    // output return type (constructor have no return type)
    if (!mIsConstructor) {
        // The signature overrides desc, if present
        if (sigSourcer == null || sigSourcer.getReturnType() == null) {
            mOutput.write(" %s", Type.getReturnType(mDesc).getClassName());

        } else {
            mOutput.write(" %s", sigSourcer.getReturnType().toString());
        }
    }

    // output name
    mOutput.write(" %s(", mIsConstructor ? mClassName : mName);

    // output arguments. The signature overrides desc, if present
    if (mSignature == null) {
        Type[] types = Type.getArgumentTypes(mDesc);

        for (int i = 0; i < types.length; i++) {
            if (i > 0) {
                mOutput.write(", ");
            }
            mOutput.write("%s arg%d", types[i].getClassName(), i);
        }
    } else {
        ArrayList<SignatureSourcer> params = sigSourcer.getParameters();

        for (int i = 0; i < params.size(); i++) {
            if (i > 0) {
                mOutput.write(", ");
            }
            mOutput.write("%s arg%d", params.get(i).toString(), i);
        }
    }
    mOutput.write(")");

    // output throwable exceptions
    if (mExceptions != null && mExceptions.length > 0) {
        mOutput.write(" throws ");

        for (int i = 0; i < mExceptions.length; i++) {
            if (i > 0) {
                mOutput.write(", ");
            }
            mOutput.write(mExceptions[i].replace('/', '.'));
        }
    }

    mOutput.write(" {\n");

    mNeedDeclaration = false;
}

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From source file:com.android.mkstubs.sourcer.SignatureSourcerTest.java

License:Apache License

@Test
public void testReturnMapNoArgs() {
    SignatureReader reader = new SignatureReader(
            "()Ljava/util/Map<Ljava/util/ArrayList<TT;>;Ljava/util/Map<Ljava/lang/String;Ljava/util/ArrayList<TU;>;>;>;");
    reader.accept(mSourcer);//  w  ww  .j  a  va  2  s.c  om
    String result = mSourcer.getReturnType().toString();

    Assert.assertEquals(
            "java.util.Map<java.util.ArrayList<T>, java.util.Map<java.lang.String, java.util.ArrayList<U>>>",
            result);
}

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From source file:com.android.mkstubs.sourcer.SignatureSourcerTest.java

License:Apache License

@Test
public void testReturnVoid() {
    SignatureReader reader = new SignatureReader("(Ljava/util/List<+Lorg/w3c/dom/css/Rect;>;)V");
    reader.accept(mSourcer);// w w  w.j a  va 2  s  .  c o m
    String result = mSourcer.getReturnType().toString();

    Assert.assertEquals("void", result);
}

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