Class ClassData

java.lang.Object

org.openjdk.asmtools.jdec.ClassData

class ClassData
extends Object

Class data of the Java Decoder

Field Summary

Fields

Modifier and Type	Field	Description
private final NestedByteArrayInputStream	arrayInputStream
private static final int	BYTES_IN_LINE_CONDENSED
private static final int	BYTES_IN_LINE_SPACED_OUT
private static final int	COMMENT_OFFSET
private int[]	cpe_pos
private int	CPlen
private Object[]	cpool
private String	entityName
private String	entityType
protected JdecEnvironment	environment
private int	indent
private static final int	INDENT_LENGTH
private static final String	INDENT_STRING
private final DataInputStream	inputStream
private byte[]	types

Constructor Summary

Constructors

Constructor	Description
ClassData(JdecEnvironment environment)

Method Summary

Modifier and Type	Method	Description
private int	checkWrapping(int wrappingLevel)
private void	decodeAnnotation(DataInputStream in, ToolOutput out)
private void	decodeAttr(DataInputStream in, ToolOutput out)
private void	decodeAttrs(DataInputStream in, ToolOutput out)
private void	decodeBootstrapMethod(DataInputStream in)
(package private) void	decodeClass()
private void	decodeCPXAttr(DataInputStream in, int len, String attrname)
private void	decodeCPXAttrM(DataInputStream in, int len, String attrName, int expectedIndices)
private void	decodeElementValue(DataInputStream in, ToolOutput out)
private void	decodeElementValuePairs(int count, DataInputStream in, ToolOutput out)
private void	decodeInfo(DataInputStream in, ToolOutput out, String elementName, boolean hasAccessFlag)	component_info { JEP 359 Record(Preview): class file 58.65535 u2 name_index; u2 descriptor_index; u2 attributes_count; attribute_info attributes[attributes_count]; }
private void	decodeMembers(DataInputStream in, ToolOutput out, String groupName, String elementName)
private void	decodeModule(DataInputStream in)
private void	decodeModuleStatement(String statementName, DataInputStream in)
private void	decodeTargetTypeAndRefInfo(DataInputStream in)	Processes 4.7.20 The RuntimeVisibleTypeAnnotations Attribute, 4.7.21 The RuntimeInvisibleTypeAnnotations Attribute type_annotation structure.
private void	decodeTypeAnnotation(DataInputStream in, ToolOutput out)
private void	decodeTypes(DataInputStream in, int count, String typeName)
private String	formatComments(String str, int shift)
private String	getCommentPosCond()
(package private) String	getInnerClassComment(int inner_class_access_flags)
private String	getModuleName()	CONSTANT_Module_info { u1 tag; // == CONSTANT_MODULE(19) u2 name_index; }
private String	getOutString(String s)
private String	getStackMap(DataInputStream in, int elementsNum)
private String	getStringByIndex(int idx)
private String	getStringPos()
private String	getUnsetFields(DataInputStream in)	Reads from early_larval_frame { u1 frame_type = EARLY_LARVAL; // 246 u2 number_of_unset_fields; u2 unset_fields[number_of_unset_fields]; base_frame base; } the structure unset_fields[number_of_unset_fields] and returns its string presentation
private void	out_begin(String s)
private void	out_end(String s)
private void	out_print(String s)
private void	out_println(String s)
private void	printByteHex(int b)
private void	printBytes(byte[] buf)
private void	printBytes(DataInputStream in, int len, boolean printSeparately, boolean ignoreException)
private void	printCP()
private void	printRestOfBytes()
private void	printUtf8InfoIndex(int index, String indexName)
private void	printUtf8String(DataInputStream in, int len)
private void	readCP(byte[] alreadyRead, DataInputStream in)
private String	startArray(int length)
private void	startArrayCmt(int length, String comment)
private void	startArrayCmtB(int length, String comment)
private String	toHex(long val)
private String	toHex(long val, int width)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

COMMENT_OFFSET

private static final int COMMENT_OFFSET

See Also:

• Constant Field Values

BYTES_IN_LINE_SPACED_OUT

private static final int BYTES_IN_LINE_SPACED_OUT

See Also:

• Constant Field Values

BYTES_IN_LINE_CONDENSED

private static final int BYTES_IN_LINE_CONDENSED

See Also:

• Constant Field Values

INDENT_STRING

private static final String INDENT_STRING

See Also:

• Constant Field Values

INDENT_LENGTH

private static final int INDENT_LENGTH

arrayInputStream

private final NestedByteArrayInputStream arrayInputStream

inputStream

private final DataInputStream inputStream

environment

protected JdecEnvironment environment

types

private byte[] types

cpool

private Object[] cpool

CPlen

private int CPlen

cpe_pos

private int[] cpe_pos

entityType

private String entityType

entityName

private String entityName

indent

private int indent

Constructor Details

ClassData

ClassData(JdecEnvironment environment)
   throws IOException,
URISyntaxException

Throws:

IOException

URISyntaxException

Method Details

toHex

private String toHex(long val,
 int width)

toHex

private String toHex(long val)

printByteHex

private void printByteHex(int b)

printBytes

private void printBytes(DataInputStream in,
 int len,
 boolean printSeparately,
 boolean ignoreException)
                 throws IOException

Parameters:

in - input stream to get bytes for printing

len - number of bytes

printSeparately - defines a format of printed lines which will be either 0x04 0x3C 0x04 0x3D; or 0x043C043D043E1B1C;

ignoreException - Whether to propagate the exception or ignore it

Throws:

IOException - exception might happen while reading DataInputStream

printUtf8String

private void printUtf8String(DataInputStream in,
 int len)
                      throws IOException

Throws:

IOException

printRestOfBytes

private void printRestOfBytes()

printBytes

private void printBytes(byte[] buf)

printUtf8InfoIndex

private void printUtf8InfoIndex(int index,
 String indexName)

out_begin

private void out_begin(String s)

out_print

private void out_print(String s)

out_println

private void out_println(String s)

getOutString

private String getOutString(String s)

out_end

private void out_end(String s)

startArray

private String startArray(int length)

startArrayCmt

private void startArrayCmt(int length,
 String comment)

startArrayCmtB

private void startArrayCmtB(int length,
 String comment)

readCP

private void readCP(byte[] alreadyRead,
 DataInputStream in)
             throws IOException

Throws:

IOException

printCP

private void printCP()

getModuleName

private String getModuleName()

CONSTANT_Module_info { u1 tag; // == CONSTANT_MODULE(19) u2 name_index; }

Returns:

Constant Pool module name by name_index

getStringPos

private String getStringPos()

getCommentPosCond

private String getCommentPosCond()

decodeCPXAttr

private void decodeCPXAttr(DataInputStream in,
 int len,
 String attrname)
                    throws IOException

Throws:

IOException

decodeCPXAttrM

private void decodeCPXAttrM(DataInputStream in,
 int len,
 String attrName,
 int expectedIndices)
                     throws IOException

Throws:

IOException

getUnsetFields

private String getUnsetFields(DataInputStream in)
                       throws IOException

Reads from early_larval_frame { u1 frame_type = EARLY_LARVAL; // 246 u2 number_of_unset_fields; u2 unset_fields[number_of_unset_fields]; base_frame base; } the structure unset_fields[number_of_unset_fields] and returns its string presentation

Parameters:

in - input stream

Returns:

String presentation of the aggregation of [number_of_unset_fields] {unset_fields }

Throws:

IOException - if IO exception occurs

getStackMap

private String getStackMap(DataInputStream in,
 int elementsNum)
                    throws IOException

Throws:

IOException

decodeTargetTypeAndRefInfo

private void decodeTargetTypeAndRefInfo(DataInputStream in)
                                 throws IOException

Processes 4.7.20 The RuntimeVisibleTypeAnnotations Attribute, 4.7.21 The RuntimeInvisibleTypeAnnotations Attribute type_annotation structure.

Throws:

IOException

decodeElementValue

private void decodeElementValue(DataInputStream in,
 ToolOutput out)
                         throws IOException

Throws:

IOException

decodeAnnotation

private void decodeAnnotation(DataInputStream in,
 ToolOutput out)
                       throws IOException

Throws:

IOException

decodeElementValuePairs

private void decodeElementValuePairs(int count,
 DataInputStream in,
 ToolOutput out)
                              throws IOException

Throws:

IOException

decodeInfo

private void decodeInfo(DataInputStream in,
 ToolOutput out,
 String elementName,
 boolean hasAccessFlag)
                 throws IOException

component_info { JEP 359 Record(Preview): class file 58.65535 u2 name_index; u2 descriptor_index; u2 attributes_count; attribute_info attributes[attributes_count]; }

or field_info { u2 access_flags; u2 name_index; u2 descriptor_index; u2 attributes_count; attribute_info attributes[attributes_count]; } or method_info { u2 access_flags; u2 name_index; u2 descriptor_index; u2 attributes_count; attribute_info attributes[attributes_count]; }

Throws:

IOException

decodeTypeAnnotation

private void decodeTypeAnnotation(DataInputStream in,
 ToolOutput out)
                           throws IOException

Throws:

IOException

decodeBootstrapMethod

private void decodeBootstrapMethod(DataInputStream in)
                            throws IOException

Throws:

IOException

decodeAttr

private void decodeAttr(DataInputStream in,
 ToolOutput out)
                 throws IOException

Throws:

IOException

decodeModuleStatement

private void decodeModuleStatement(String statementName,
 DataInputStream in)
                            throws IOException

Throws:

IOException

decodeModule

private void decodeModule(DataInputStream in)
                   throws IOException

Throws:

IOException

decodeAttrs

private void decodeAttrs(DataInputStream in,
 ToolOutput out)
                  throws IOException

Throws:

IOException

decodeMembers

private void decodeMembers(DataInputStream in,
 ToolOutput out,
 String groupName,
 String elementName)
                    throws IOException

Throws:

IOException

getInnerClassComment

String getInnerClassComment(int inner_class_access_flags)

decodeClass

void decodeClass()
          throws IOException

Throws:

IOException

checkWrapping

private int checkWrapping(int wrappingLevel)

decodeTypes

private void decodeTypes(DataInputStream in,
 int count,
 String typeName)
                  throws IOException

Throws:

IOException

getStringByIndex

private String getStringByIndex(int idx)

formatComments

private String formatComments(String str,
 int shift)