Examples with ByteArray com.android.dx.util.ByteArray used on opensource projects

Example 36 with ByteArray

use of com.android.dx.util.ByteArray in project J2ME-Loader by nikita36078.

the class MemberListParser method parse.

/**
 * Does the actual parsing.
 */
private void parse() {
    int attributeContext = getAttributeContext();
    int count = getCount();
    // Skip the count.
    int at = offset + 2;
    ByteArray bytes = cf.getBytes();
    ConstantPool pool = cf.getConstantPool();
    if (observer != null) {
        observer.parsed(bytes, offset, 2, humanName() + "s_count: " + Hex.u2(count));
    }
    for (int i = 0; i < count; i++) {
        try {
            int accessFlags = bytes.getUnsignedShort(at);
            int nameIdx = bytes.getUnsignedShort(at + 2);
            int descIdx = bytes.getUnsignedShort(at + 4);
            CstString name = (CstString) pool.get(nameIdx);
            CstString desc = (CstString) pool.get(descIdx);
            if (observer != null) {
                observer.startParsingMember(bytes, at, name.getString(), desc.getString());
                observer.parsed(bytes, at, 0, "\n" + humanName() + "s[" + i + "]:\n");
                observer.changeIndent(1);
                observer.parsed(bytes, at, 2, "access_flags: " + humanAccessFlags(accessFlags));
                observer.parsed(bytes, at + 2, 2, "name: " + name.toHuman());
                observer.parsed(bytes, at + 4, 2, "descriptor: " + desc.toHuman());
            }
            at += 6;
            AttributeListParser parser = new AttributeListParser(cf, attributeContext, at, attributeFactory);
            parser.setObserver(observer);
            at = parser.getEndOffset();
            StdAttributeList attributes = parser.getList();
            attributes.setImmutable();
            CstNat nat = new CstNat(name, desc);
            Member member = set(i, accessFlags, nat, attributes);
            if (observer != null) {
                observer.changeIndent(-1);
                observer.parsed(bytes, at, 0, "end " + humanName() + "s[" + i + "]\n");
                observer.endParsingMember(bytes, at, name.getString(), desc.getString(), member);
            }
        } catch (ParseException ex) {
            ex.addContext("...while parsing " + humanName() + "s[" + i + "]");
            throw ex;
        } catch (RuntimeException ex) {
            ParseException pe = new ParseException(ex);
            pe.addContext("...while parsing " + humanName() + "s[" + i + "]");
            throw pe;
        }
    }
    endOffset = at;
}

Example 37 with ByteArray

use of com.android.dx.util.ByteArray in project J2ME-Loader by nikita36078.

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 38 with ByteArray

use of com.android.dx.util.ByteArray in project J2ME-Loader by nikita36078.

the class StdAttributeFactory method constantValue.

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

Example 39 with ByteArray

use of com.android.dx.util.ByteArray in project J2ME-Loader by nikita36078.

the class StdAttributeFactory method sourceDebugExtension.

/**
 * Parses a {@code SourceDebugExtesion} attribute.
 */
private Attribute sourceDebugExtension(DirectClassFile cf, int offset, int length, ParseObserver observer) {
    ByteArray bytes = cf.getBytes().slice(offset, offset + length);
    CstString smapString = new CstString(bytes);
    Attribute result = new AttSourceDebugExtension(smapString);
    if (observer != null) {
        String decoded = smapString.getString();
        observer.parsed(bytes, offset, length, "sourceDebugExtension: " + decoded);
    }
    return result;
}

Example 40 with ByteArray

use of com.android.dx.util.ByteArray in project J2ME-Loader by nikita36078.

the class StdAttributeFactory method localVariableTypeTable.

/**
 * Parses a {@code LocalVariableTypeTable} attribute.
 */
private Attribute localVariableTypeTable(DirectClassFile cf, int offset, int length, ParseObserver observer) {
    if (length < 2) {
        return throwSeverelyTruncated();
    }
    ByteArray bytes = cf.getBytes();
    int count = bytes.getUnsignedShort(offset);
    if (observer != null) {
        observer.parsed(bytes, offset, 2, "local_variable_type_table_length: " + Hex.u2(count));
    }
    LocalVariableList list = parseLocalVariables(bytes.slice(offset + 2, offset + length), cf.getConstantPool(), observer, count, true);
    return new AttLocalVariableTypeTable(list);
}