org.jruby.ir.representations

Class BasicBlock

java.lang.Object

org.jruby.ir.representations.BasicBlock

All Implemented Interfaces:

java.lang.Comparable, org.jruby.dirgra.ExplicitVertexID

public class BasicBlock
extends java.lang.Object
implements org.jruby.dirgra.ExplicitVertexID, java.lang.Comparable

Constructor Summary

Constructors

Constructor and Description
BasicBlock(CFG cfg, Label label)

Method Summary

Modifier and Type	Method and Description
void	addInstr(Instr i)
boolean	canRaiseExceptions()
BasicBlock	clone(CloneInfo info, CFG newCFG)
BasicBlock	cloneForInlining(InlineCloneInfo ii)
void	cloneInstrs(SimpleCloneInfo ii)
int	compareTo(java.lang.Object o)
BasicBlock	exceptionBB() On an exception occurring in this block which BB should we go to?
int	getID()
java.util.List<Instr>	getInstrs()
Label	getLabel()
Instr	getLastInstr()
int	hashCode()
void	insertInstr(Instr i)
void	insertInstr(int index, Instr i)
boolean	isEmpty()
boolean	isEntryBB()
boolean	isExitBB()
boolean	isRescueEntry()
void	markRescueEntryBB()
boolean	removeInstr(Instr i)
void	replaceInstrs(java.util.List<Instr> instrs)
Site	siteOf(long callsiteId) What site object contains this callsiteId or die trying.
BasicBlock	splitAtInstruction(Site splitPoint, Label newLabel, boolean includeSplitPointInstr)
void	swallowBB(BasicBlock foodBB)
java.lang.String	toString()
java.lang.String	toStringInstrs()

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicBlock

public BasicBlock(CFG cfg,
                  Label label)

Method Detail

getID

public int getID()

Specified by:

getID in interface org.jruby.dirgra.ExplicitVertexID

getLabel

public Label getLabel()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

canRaiseExceptions

public boolean canRaiseExceptions()

exceptionBB

public BasicBlock exceptionBB()

On an exception occurring in this block which BB should we go to?

Returns:

BB of exception handling or null if none.

isEntryBB

public boolean isEntryBB()

isExitBB

public boolean isExitBB()

markRescueEntryBB

public void markRescueEntryBB()

isRescueEntry

public boolean isRescueEntry()

replaceInstrs

public void replaceInstrs(java.util.List<Instr> instrs)

addInstr

public void addInstr(Instr i)

insertInstr

public void insertInstr(Instr i)

insertInstr

public void insertInstr(int index,
                        Instr i)

getInstrs

public java.util.List<Instr> getInstrs()

getLastInstr

public Instr getLastInstr()

removeInstr

public boolean removeInstr(Instr i)

isEmpty

public boolean isEmpty()

siteOf

public Site siteOf(long callsiteId)

What site object contains this callsiteId or die trying.

Parameters:

callsiteId - to be found

Returns:

the Site instance (CallBase or YieldInstr)

splitAtInstruction

public BasicBlock splitAtInstruction(Site splitPoint,
                                     Label newLabel,
                                     boolean includeSplitPointInstr)

swallowBB

public void swallowBB(BasicBlock foodBB)

clone

public BasicBlock clone(CloneInfo info,
                        CFG newCFG)

cloneInstrs

public void cloneInstrs(SimpleCloneInfo ii)

cloneForInlining

public BasicBlock cloneForInlining(InlineCloneInfo ii)

compareTo

public int compareTo(java.lang.Object o)

Specified by:

compareTo in interface java.lang.Comparable

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toStringInstrs

public java.lang.String toStringInstrs()