Examples with Attribute com.android.dx.cf.iface.Attribute used on opensource projects

Example 1 with Attribute

use of com.android.dx.cf.iface.Attribute in project buck by facebook.

the class StdAttributeFactory method enclosingMethod.

/**
     * Parses an {@code EnclosingMethod} attribute.
     */
private Attribute enclosingMethod(DirectClassFile cf, int offset, int length, ParseObserver observer) {
    if (length != 4) {
        throwBadLength(4);
    }
    ByteArray bytes = cf.getBytes();
    ConstantPool pool = cf.getConstantPool();
    int idx = bytes.getUnsignedShort(offset);
    CstType type = (CstType) pool.get(idx);
    idx = bytes.getUnsignedShort(offset + 2);
    CstNat method = (CstNat) pool.get0Ok(idx);
    Attribute result = new AttEnclosingMethod(type, method);
    if (observer != null) {
        observer.parsed(bytes, offset, 2, "class: " + type);
        observer.parsed(bytes, offset + 2, 2, "method: " + DirectClassFile.stringOrNone(method));
    }
    return result;
}

Example 2 with Attribute

use of com.android.dx.cf.iface.Attribute in project buck by facebook.

the class StdAttributeFactory method signature.

/**
     * Parses a {@code Signature} attribute.
     */
private Attribute signature(DirectClassFile cf, int offset, int length, ParseObserver observer) {
    if (length != 2) {
        throwBadLength(2);
    }
    ByteArray bytes = cf.getBytes();
    ConstantPool pool = cf.getConstantPool();
    int idx = bytes.getUnsignedShort(offset);
    CstString cst = (CstString) pool.get(idx);
    Attribute result = new AttSignature(cst);
    if (observer != null) {
        observer.parsed(bytes, offset, 2, "signature: " + cst);
    }
    return result;
}

Example 3 with Attribute

use of com.android.dx.cf.iface.Attribute in project buck by facebook.

the class AttributeListParser method parse.

/**
     * Does the actual parsing.
     */
private void parse() {
    int sz = list.size();
    // Skip the count.
    int at = offset + 2;
    ByteArray bytes = cf.getBytes();
    if (observer != null) {
        observer.parsed(bytes, offset, 2, "attributes_count: " + Hex.u2(sz));
    }
    for (int i = 0; i < sz; i++) {
        try {
            if (observer != null) {
                observer.parsed(bytes, at, 0, "\nattributes[" + i + "]:\n");
                observer.changeIndent(1);
            }
            Attribute attrib = attributeFactory.parse(cf, context, at, observer);
            at += attrib.byteLength();
            list.set(i, attrib);
            if (observer != null) {
                observer.changeIndent(-1);
                observer.parsed(bytes, at, 0, "end attributes[" + i + "]\n");
            }
        } catch (ParseException ex) {
            ex.addContext("...while parsing attributes[" + i + "]");
            throw ex;
        } catch (RuntimeException ex) {
            ParseException pe = new ParseException(ex);
            pe.addContext("...while parsing attributes[" + i + "]");
            throw pe;
        }
    }
    endOffset = at;
}

Example 4 with Attribute

use of com.android.dx.cf.iface.Attribute in project buck by facebook.

the class StdAttributeFactory method sourceFile.

/**
     * Parses a {@code SourceFile} attribute.
     */
private Attribute sourceFile(DirectClassFile cf, int offset, int length, ParseObserver observer) {
    if (length != 2) {
        throwBadLength(2);
    }
    ByteArray bytes = cf.getBytes();
    ConstantPool pool = cf.getConstantPool();
    int idx = bytes.getUnsignedShort(offset);
    CstString cst = (CstString) pool.get(idx);
    Attribute result = new AttSourceFile(cst);
    if (observer != null) {
        observer.parsed(bytes, offset, 2, "source: " + cst);
    }
    return result;
}

Example 5 with Attribute

use of com.android.dx.cf.iface.Attribute in project buck by facebook.

the class AttributeFactory method parse0.

/**
     * Parses attribute content. The base class implements this by constructing
     * an instance of {@link RawAttribute}. Subclasses are expected to
     * override this to do something better in most cases.
     *
     * @param cf {@code non-null;} class file to parse from
     * @param context context to parse in; one of the {@code CTX_*}
     * constants
     * @param name {@code non-null;} the attribute name
     * @param offset offset into {@code bytes} to start parsing at; this
     * is the offset to the start of attribute data, not to the header
     * @param length the length of the attribute data
     * @param observer {@code null-ok;} parse observer to report to, if any
     * @return {@code non-null;} an appropriately-constructed {@link Attribute}
     */
protected Attribute parse0(DirectClassFile cf, int context, String name, int offset, int length, ParseObserver observer) {
    ByteArray bytes = cf.getBytes();
    ConstantPool pool = cf.getConstantPool();
    Attribute result = new RawAttribute(name, bytes, offset, length, pool);
    if (observer != null) {
        observer.parsed(bytes, offset, length, "attribute data");
    }
    return result;
}