Examples with Attribute soot.tagkit.Attribute used on opensource projects

Example 1 with Attribute

use of soot.tagkit.Attribute in project soot by Sable.

the class AbstractASMBackend method generateAttributes.

/**
 * Emits the bytecode for all attributes of a field
 * @param fv The FieldVisitor to emit the bytecode to
 * @param f The SootField the bytecode is to be emitted for
 */
protected void generateAttributes(FieldVisitor fv, SootField f) {
    for (Tag t : f.getTags()) {
        if (t instanceof Attribute) {
            org.objectweb.asm.Attribute a = createASMAttribute((Attribute) t);
            fv.visitAttribute(a);
        }
    }
}

Example 2 with Attribute

use of soot.tagkit.Attribute in project soot by Sable.

the class AbstractJasminClass method emitMethod.

protected void emitMethod(SootMethod method) {
    if (method.isPhantom())
        return;
    // Emit prologue
    emit(".method " + Modifier.toString(method.getModifiers()) + " " + method.getName() + jasminDescriptorOf(method.makeRef()));
    Iterator<SootClass> throwsIt = method.getExceptions().iterator();
    while (throwsIt.hasNext()) {
        SootClass exceptClass = throwsIt.next();
        emit(".throws " + exceptClass.getName());
    }
    if (method.hasTag("SyntheticTag") || Modifier.isSynthetic(method.getModifiers())) {
        emit(".synthetic");
    }
    if (method.hasTag("DeprecatedTag")) {
        emit(".deprecated");
    }
    if (method.hasTag("SignatureTag")) {
        String sigAttr = ".signature_attr ";
        SignatureTag sigTag = (SignatureTag) method.getTag("SignatureTag");
        sigAttr += "\"" + sigTag.getSignature() + "\"";
        emit(sigAttr);
    }
    if (method.hasTag("AnnotationDefaultTag")) {
        String annotDefAttr = ".annotation_default ";
        AnnotationDefaultTag annotDefTag = (AnnotationDefaultTag) method.getTag("AnnotationDefaultTag");
        annotDefAttr += getElemAttr(annotDefTag.getDefaultVal());
        annotDefAttr += ".end .annotation_default";
        emit(annotDefAttr);
    }
    Iterator<Tag> vit = method.getTags().iterator();
    while (vit.hasNext()) {
        Tag t = (Tag) vit.next();
        if (t.getName().equals("VisibilityAnnotationTag")) {
            emit(getVisibilityAnnotationAttr((VisibilityAnnotationTag) t));
        }
        if (t.getName().equals("VisibilityParameterAnnotationTag")) {
            emit(getVisibilityParameterAnnotationAttr((VisibilityParameterAnnotationTag) t));
        }
    }
    if (method.isConcrete()) {
        if (!method.hasActiveBody())
            throw new RuntimeException("method: " + method.getName() + " has no active body!");
        else
            emitMethodBody(method);
    }
    // Emit epilogue
    emit(".end method");
    Iterator<Tag> it = method.getTags().iterator();
    while (it.hasNext()) {
        Tag tag = (Tag) it.next();
        if (tag instanceof Attribute)
            emit(".method_attribute " + tag.getName() + " \"" + new String(Base64.encode(tag.getValue())) + "\"");
    }
}

Example 3 with Attribute

use of soot.tagkit.Attribute in project soot by Sable.

the class ASMBackendUtils method createASMAttribute.

/**
 * Create an ASM attribute from an Soot attribute
 * @param attr Soot attribute
 * @return ASM attribute
 */
public static org.objectweb.asm.Attribute createASMAttribute(Attribute attr) {
    final Attribute a = attr;
    return new org.objectweb.asm.Attribute(attr.getName()) {

        @Override
        protected ByteVector write(final ClassWriter cw, final byte[] code, final int len, final int maxStack, final int maxLocals) {
            ByteVector result = new ByteVector();
            result.putByteArray(a.getValue(), 0, a.getValue().length);
            return result;
        }
    };
}

Example 4 with Attribute

use of soot.tagkit.Attribute in project soot by Sable.

the class AbstractASMBackend method generateAttributes.

/**
 * Emits the bytecode for all attributes of a method
 * @param fv The MethodVisitor to emit the bytecode to
 * @param f The SootMethod the bytecode is to be emitted for
 */
protected void generateAttributes(MethodVisitor mv, SootMethod m) {
    for (Tag t : m.getTags()) {
        if (t instanceof Attribute) {
            org.objectweb.asm.Attribute a = createASMAttribute((Attribute) t);
            mv.visitAttribute(a);
        }
    }
}