Package org.jruby.ir.persistence

Class IRReaderStream

java.lang.Object

org.jruby.ir.persistence.IRReaderStream

All Implemented Interfaces:

IRPersistenceValues, IRReaderDecoder

public class IRReaderStream
extends Object
implements IRReaderDecoder, IRPersistenceValues

Field Summary

Fields

Modifier and Type	Field	Description
private final ByteBuffer	buf
private RubySymbol[]	constantPool
private IRScope	currentScope
private final ByteList	filename	Filename to use for the script
private final IRManager	manager
private final List<IRScope>	scopes
private Map<String,Operand>	vars

Fields inherited from interface org.jruby.ir.persistence.IRPersistenceValues

ARRAY, DOUBLE, FALSE, FLOAT, FULL, INSTR, LONG, NULL, NULL_STRING, PRIMITIVE_BASE, PROLOGUE_LENGTH, STRING, TRUE, TWO_MEGS, USASCII, UTF8, VERSION

Constructor Summary

Constructors

Modifier	Constructor	Description
private	IRReaderStream(ByteBuffer buf, IRManager manager, List<IRScope> scopes, IRScope currentScope, ByteList filename, RubySymbol[] constantPool)
	IRReaderStream(IRManager manager, byte[] bytes, ByteList filename)
	IRReaderStream(IRManager manager, File file, ByteList filename)

Method Summary

Modifier and Type	Method	Description
void	addScope(IRScope scope)
Operand	decode(OperandType type)
boolean	decodeBoolean()
byte	decodeByte()
byte[]	decodeByteArray()
ByteList	decodeByteList()
char	decodeChar()
private void	decodeConstantPool(int offset)
double	decodeDouble()
org.jcodings.Encoding	decodeEncoding()
float	decodeFloat()
Instr	decodeInstr()
List<Instr>	decodeInstructionsAt(IRScope scope, int poolOffset, int offset)
int	decodeInt()
int[]	decodeIntArray()
int	decodeIntRaw()
EnumSet<IRFlags>	decodeIRFlags()
IRScopeType	decodeIRScopeType()
Label	decodeLabel()
Label[]	decodeLabelArray()
long	decodeLong()
Operand	decodeOperand()
Operand[]	decodeOperandArray()
List<Operand>	decodeOperandList()
OperandType	decodeOperandType()
Operation	decodeOperation()
RubyEvent	decodeRubyEvent()
IRScope	decodeScope()
Signature	decodeSignature()
StaticScope.Type	decodeStaticScopeType()
String	decodeString()
String[]	decodeStringArray()
RubySymbol	decodeSymbol()
private RubySymbol	decodeSymbolFromConstantPool()
TemporaryVariableType	decodeTemporaryVariableType()
Variable	decodeVariable()
IRReaderDecoder	dup()	Duplicate this decoder to isolate any state changes.
IRScope	getCurrentScope()
ByteList	getFilename()
Map<String,Operand>	getVars()
private static ByteBuffer	readingIntoBuffer(File file)
void	seek(int headersOffset)

Methods inherited from class java.lang.Object

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

Field Details

buf

private final ByteBuffer buf

manager

private final IRManager manager

scopes

private final List<IRScope> scopes

currentScope

private IRScope currentScope

filename

private final ByteList filename

Filename to use for the script

constantPool

private RubySymbol[] constantPool

vars

private Map<String,Operand> vars

Constructor Details

IRReaderStream

public IRReaderStream(IRManager manager,
 byte[] bytes,
 ByteList filename)

IRReaderStream

public IRReaderStream(IRManager manager,
 File file,
 ByteList filename)

IRReaderStream

private IRReaderStream(ByteBuffer buf,
 IRManager manager,
 List<IRScope> scopes,
 IRScope currentScope,
 ByteList filename,
 RubySymbol[] constantPool)

Method Details

dup

public IRReaderDecoder dup()

Description copied from interface: IRReaderDecoder

Duplicate this decoder to isolate any state changes.

Specified by:

dup in interface IRReaderDecoder

Returns:

An identical decoder that's isolated from the original

readingIntoBuffer

private static ByteBuffer readingIntoBuffer(File file)

getFilename

public ByteList getFilename()

Specified by:

getFilename in interface IRReaderDecoder

decodeByteList

public ByteList decodeByteList()

Specified by:

decodeByteList in interface IRReaderDecoder

decodeByteArray

public byte[] decodeByteArray()

Specified by:

decodeByteArray in interface IRReaderDecoder

decodeEncoding

public org.jcodings.Encoding decodeEncoding()

Specified by:

decodeEncoding in interface IRReaderDecoder

decodeLabel

public Label decodeLabel()

Specified by:

decodeLabel in interface IRReaderDecoder

decodeLabelArray

public Label[] decodeLabelArray()

Specified by:

decodeLabelArray in interface IRReaderDecoder

decodeRubyEvent

public RubyEvent decodeRubyEvent()

Specified by:

decodeRubyEvent in interface IRReaderDecoder

decodeSymbolFromConstantPool

private RubySymbol decodeSymbolFromConstantPool()

decodeSymbol

public RubySymbol decodeSymbol()

Specified by:

decodeSymbol in interface IRReaderDecoder

decodeString

public String decodeString()

Specified by:

decodeString in interface IRReaderDecoder

addScope

public void addScope(IRScope scope)

Specified by:

addScope in interface IRReaderDecoder

getCurrentScope

public IRScope getCurrentScope()

Specified by:

getCurrentScope in interface IRReaderDecoder

decodeStringArray

public String[] decodeStringArray()

Specified by:

decodeStringArray in interface IRReaderDecoder

decodeIntArray

public int[] decodeIntArray()

Specified by:

decodeIntArray in interface IRReaderDecoder

getVars

public Map<String,Operand> getVars()

Specified by:

getVars in interface IRReaderDecoder

decodeConstantPool

private void decodeConstantPool(int offset)

decodeInstructionsAt

public List<Instr> decodeInstructionsAt(IRScope scope,
 int poolOffset,
 int offset)

Specified by:

decodeInstructionsAt in interface IRReaderDecoder

decodeInstr

public Instr decodeInstr()

Specified by:

decodeInstr in interface IRReaderDecoder

decodeIRScopeType

public IRScopeType decodeIRScopeType()

Specified by:

decodeIRScopeType in interface IRReaderDecoder

decodeTemporaryVariableType

public TemporaryVariableType decodeTemporaryVariableType()

Specified by:

decodeTemporaryVariableType in interface IRReaderDecoder

decodeStaticScopeType

public StaticScope.Type decodeStaticScopeType()

Specified by:

decodeStaticScopeType in interface IRReaderDecoder

decodeOperation

public Operation decodeOperation()

Specified by:

decodeOperation in interface IRReaderDecoder

decodeOperand

public Operand decodeOperand()

Specified by:

decodeOperand in interface IRReaderDecoder

decodeVariable

public Variable decodeVariable()

Specified by:

decodeVariable in interface IRReaderDecoder

decodeOperandArray

public Operand[] decodeOperandArray()

Specified by:

decodeOperandArray in interface IRReaderDecoder

decodeOperandList

public List<Operand> decodeOperandList()

Specified by:

decodeOperandList in interface IRReaderDecoder

decodeOperandType

public OperandType decodeOperandType()

Specified by:

decodeOperandType in interface IRReaderDecoder

decodeBoolean

public boolean decodeBoolean()

Specified by:

decodeBoolean in interface IRReaderDecoder

decodeByte

public byte decodeByte()

Specified by:

decodeByte in interface IRReaderDecoder

decodeChar

public char decodeChar()

Specified by:

decodeChar in interface IRReaderDecoder

decodeInt

public int decodeInt()

Specified by:

decodeInt in interface IRReaderDecoder

decodeIntRaw

public int decodeIntRaw()

Specified by:

decodeIntRaw in interface IRReaderDecoder

decodeLong

public long decodeLong()

Specified by:

decodeLong in interface IRReaderDecoder

decodeDouble

public double decodeDouble()

Specified by:

decodeDouble in interface IRReaderDecoder

decodeFloat

public float decodeFloat()

Specified by:

decodeFloat in interface IRReaderDecoder

decodeScope

public IRScope decodeScope()

Specified by:

decodeScope in interface IRReaderDecoder

decodeSignature

public Signature decodeSignature()

Specified by:

decodeSignature in interface IRReaderDecoder

decodeIRFlags

public EnumSet<IRFlags> decodeIRFlags()

Specified by:

decodeIRFlags in interface IRReaderDecoder

seek

public void seek(int headersOffset)

Specified by:

seek in interface IRReaderDecoder

decode

public Operand decode(OperandType type)