Package com.android.dx.util

Examples of com.android.dx.util.ByteArray

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    private CstUtf8 parseUtf8(int at) {
        int length = bytes.getUnsignedShort(at + 1);

        at += 3; // Skip to the data.

        ByteArray ubytes = bytes.slice(at, at + length);

        try {
            return new CstUtf8(ubytes);
        } catch (IllegalArgumentException ex) {
            // Translate the exception
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            ParseObserver observer) {
        if (length < 12) {
            return throwSeverelyTruncated();
        }

        ByteArray bytes = cf.getBytes();
        ConstantPool pool = cf.getConstantPool();
        int maxStack = bytes.getUnsignedShort(offset); // u2 max_stack
        int maxLocals = bytes.getUnsignedShort(offset + 2); // u2 max_locals
        int codeLength = bytes.getInt(offset + 4); // u4 code_length
        int origOffset = offset;

        if (observer != null) {
            observer.parsed(bytes, offset, 2,
                            "max_stack: " + Hex.u2(maxStack));
            observer.parsed(bytes, offset + 2, 2,
                            "max_locals: " + Hex.u2(maxLocals));
            observer.parsed(bytes, offset + 4, 4,
                            "code_length: " + Hex.u4(codeLength));
        }

        offset += 8;
        length -= 8;

        if (length < (codeLength + 4)) {
            return throwTruncated();
        }

        int codeOffset = offset;
        offset += codeLength;
        length -= codeLength;
        BytecodeArray code =
            new BytecodeArray(bytes.slice(codeOffset, codeOffset + codeLength),
                              pool);
        if (observer != null) {
            code.forEach(new CodeObserver(code.getBytes(), observer));
        }

        // u2 exception_table_length
        int exceptionTableLength = bytes.getUnsignedShort(offset);
        ByteCatchList catches = (exceptionTableLength == 0) ?
            ByteCatchList.EMPTY :
            new ByteCatchList(exceptionTableLength);

        if (observer != null) {
            observer.parsed(bytes, offset, 2,
                            "exception_table_length: " +
                            Hex.u2(exceptionTableLength));
        }

        offset += 2;
        length -= 2;

        if (length < (exceptionTableLength * 8 + 2)) {
            return throwTruncated();
        }

        for (int i = 0; i < exceptionTableLength; i++) {
            if (observer != null) {
                observer.changeIndent(1);
            }

            int startPc = bytes.getUnsignedShort(offset);
            int endPc = bytes.getUnsignedShort(offset + 2);
            int handlerPc = bytes.getUnsignedShort(offset + 4);
            int catchTypeIdx = bytes.getUnsignedShort(offset + 6);
            CstType catchType = (CstType) pool.get0Ok(catchTypeIdx);
            catches.set(i, startPc, endPc, handlerPc, catchType);
            if (observer != null) {
                observer.parsed(bytes, offset, 8,
                                Hex.u2(startPc) + ".." + Hex.u2(endPc) +
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        }

        CstUtf8 name = null;

        try {
            ByteArray bytes = cf.getBytes();
            ConstantPool pool = cf.getConstantPool();
            int nameIdx = bytes.getUnsignedShort(offset);
            int length = bytes.getInt(offset + 2);

            name = (CstUtf8) pool.get(nameIdx);

            if (observer != null) {
                observer.parsed(bytes, offset, 2,
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     * @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");
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            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);
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    }

    /** {@inheritDoc} */
    @Override
    public void writeTo0(DexFile file, AnnotatedOutput out) {
        ByteArray bytes = value.getBytes();
        int utf16Size = value.getUtf16Size();

        if (out.annotates()) {
            out.annotate(Leb128Utils.unsignedLeb128Size(utf16Size),
                    "utf16_size: " + Hex.u4(utf16Size));
            out.annotate(bytes.size() + 1, value.toQuoted());
        }

        out.writeUnsignedLeb128(utf16Size);
        out.write(bytes);
        out.writeByte(0);
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            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) {
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            ParseObserver observer) {
        if (length < 2) {
            return throwSeverelyTruncated();
        }

        ByteArray bytes = cf.getBytes();
        int count = bytes.getUnsignedShort(offset); // number_of_exceptions

        if (observer != null) {
            observer.parsed(bytes, offset, 2,
                            "number_of_exceptions: " + Hex.u2(count));
        }
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            ParseObserver observer) {
        if (length < 2) {
            return throwSeverelyTruncated();
        }

        ByteArray bytes = cf.getBytes();
        ConstantPool pool = cf.getConstantPool();
        int count = bytes.getUnsignedShort(offset); // number_of_classes

        if (observer != null) {
            observer.parsed(bytes, offset, 2,
                            "number_of_classes: " + Hex.u2(count));
        }

        offset += 2;
        length -= 2;

        if (length != (count * 8)) {
            throwBadLength((count * 8) + 2);
        }

        InnerClassList list = new InnerClassList(count);

        for (int i = 0; i < count; i++) {
            int innerClassIdx = bytes.getUnsignedShort(offset);
            int outerClassIdx = bytes.getUnsignedShort(offset + 2);
            int nameIdx = bytes.getUnsignedShort(offset + 4);
            int accessFlags = bytes.getUnsignedShort(offset + 6);
            CstType innerClass = (CstType) pool.get(innerClassIdx);
            CstType outerClass = (CstType) pool.get0Ok(outerClassIdx);
            CstUtf8 name = (CstUtf8) pool.get0Ok(nameIdx);
            list.set(i, innerClass, outerClass, name, accessFlags);
            if (observer != null) {
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            int length, ParseObserver observer) {
        if (length < 2) {
            return throwSeverelyTruncated();
        }

        ByteArray bytes = cf.getBytes();
        int count = bytes.getUnsignedShort(offset); // line_number_table_length

        if (observer != null) {
            observer.parsed(bytes, offset, 2,
                            "line_number_table_length: " + Hex.u2(count));
        }

        offset += 2;
        length -= 2;

        if (length != (count * 4)) {
            throwBadLength((count * 4) + 2);
        }

        LineNumberList list = new LineNumberList(count);

        for (int i = 0; i < count; i++) {
            int startPc = bytes.getUnsignedShort(offset);
            int lineNumber = bytes.getUnsignedShort(offset + 2);
            list.set(i, startPc, lineNumber);
            if (observer != null) {
                observer.parsed(bytes, offset, 4,
                                Hex.u2(startPc) + " " + lineNumber);
            }
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Related Classes of com.android.dx.util.ByteArray

  • com.android.dx.cf.cst.ConstantPoolParser
  • com.android.dx.cf.direct.AttributeFactory
  • com.android.dx.cf.direct.DirectClassFile
  • com.android.dx.cf.direct.MemberListParser
  • com.android.dx.cf.direct.StdAttributeFactory
  • com.android.dx.command.annotool.AnnotationLister
  • com.android.dx.command.dump.BlockDumper
  • com.android.dx.dex.file.StringDataItem
  • com.android.dx.rop.cst.CstUtf8
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