Package com.sun.tools.hat.internal.parser

Examples of com.sun.tools.hat.internal.parser.ReadBuffer

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    }

    // get ID of this object
    public final long getId() {
        try {
            ReadBuffer buf = getClazz().getReadBuffer();
            int idSize = getClazz().getIdentifierSize();
            if (idSize == 4) {
                return ((long)buf.getInt(offset)) & Snapshot.SMALL_ID_MASK;
            } else {
                return buf.getLong(offset);
            }
        } catch (IOException exp) {
            System.err.println("lazy read failed at offset " + offset);
            exp.printStackTrace();
            return -1;
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     *     array class ID
     *     array element IDs
     */
    protected final int readValueLength() throws IOException {
        JavaClass cl = getClazz();
        ReadBuffer buf = cl.getReadBuffer();
        int idSize = cl.getIdentifierSize();
        long offset = getOffset() + idSize + 4;
        int len = buf.getInt(offset);
        return len * cl.getIdentifierSize();
    }
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        return len * cl.getIdentifierSize();
    }

    protected final byte[] readValue() throws IOException {
        JavaClass cl = getClazz();
        ReadBuffer buf = cl.getReadBuffer();
        int idSize = cl.getIdentifierSize();
        long offset = getOffset() + idSize + 4;
        int len = buf.getInt(offset);
        if (len == 0) {
            return Snapshot.EMPTY_BYTE_ARRAY;
        } else {
            byte[] res = new byte[len * idSize];
            buf.get(offset + 4 + idSize, res);
            return res;
        }
    }
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     *    element type (byte)
     *    array data
     */
    protected final int readValueLength() throws IOException {
        JavaClass cl = getClazz();
        ReadBuffer buf = cl.getReadBuffer();
        int idSize = cl.getIdentifierSize();
        long offset = getOffset() + idSize + 4;
        // length of the array
        int len = buf.getInt(offset);
        // typecode of array element type
        byte type = buf.getByte(offset + 4);
        return len * elementSize(type);
    }
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        return len * elementSize(type);
    }

    protected final byte[] readValue() throws IOException {
        JavaClass cl = getClazz();
        ReadBuffer buf = cl.getReadBuffer();
        int idSize = cl.getIdentifierSize();
        long offset = getOffset() + idSize + 4;
        // length of the array
        int length = buf.getInt(offset);
        // typecode of array element type
        byte type = buf.getByte(offset + 4);
        if (length == 0) {
            return Snapshot.EMPTY_BYTE_ARRAY;
        } else {
            length *= elementSize(type);
            byte[] res = new byte[length];
            buf.get(offset + 5, res);
            return res;
        }
    }
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            clazz = snapshot.findThing(classID);
            if (! (clazz instanceof JavaClass)) {
                warn("Class " + Long.toHexString(classID) + " not found, " +
                     "adding fake class!");
                int length;
                ReadBuffer buf = snapshot.getReadBuffer();
                int idSize = snapshot.getIdentifierSize();
                long lenOffset = getOffset() + 2*idSize + 4;
                try {
                    length = buf.getInt(lenOffset);
                } catch (IOException exp) {
                    throw new RuntimeException(exp);
                }
                clazz = snapshot.addFakeInstanceClass(classID, length);
            }
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    }

    protected final byte[] readValue() throws IOException {
        JavaClass cl = getClazz();
        int idSize = cl.getIdentifierSize();
        ReadBuffer buf = cl.getReadBuffer();
        long offset = getOffset() + 2*idSize + 4;
        int length = buf.getInt(offset);
        if (length == 0) {
            return Snapshot.EMPTY_BYTE_ARRAY;
        } else {
            byte[] res = new byte[length];
            buf.get(offset + 4, res);
            return res;
        }
    }
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Related Classes of com.sun.tools.hat.internal.parser.ReadBuffer

  • com.sun.tools.hat.internal.model.JavaLazyReadObject
  • com.sun.tools.hat.internal.model.JavaObject
  • com.sun.tools.hat.internal.model.JavaObjectArray
  • com.sun.tools.hat.internal.model.JavaValueArray
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