com.google.gwt.dev.jjs.impl

Class FullOptimizerContext

java.lang.Object

com.google.gwt.dev.jjs.impl.FullOptimizerContext

All Implemented Interfaces:

OptimizerContext

public class FullOptimizerContext
extends Object
implements OptimizerContext

Maintains dependence and modification information for AST optimizers.

Is updated incrementally.

Field Summary

Fields inherited from interface com.google.gwt.dev.jjs.impl.OptimizerContext

NULL_OPTIMIZATION_CONTEXT

Constructor Summary

Constructors

Constructor and Description
FullOptimizerContext(JProgram program)

Method Summary

Modifier and Type	Method and Description
Set<JMethod>	getCallees(Collection<JMethod> callerMethods) Return callee methods of callerMethods.
Set<JMethod>	getCallers(Collection<JMethod> calleeMethods) Return caller methods of calleeMethods.
int	getLastStepFor(String optimizerName) Return the last modification step for a given optimizer.
Set<JMethod>	getMethodsByReferencedFields(Collection<JField> fields) Return methods that reference fields.
Set<JField>	getModifiedFieldsSince(int stepSince) Return all the effective modified fields since a given step.
Set<JMethod>	getModifiedMethodsSince(int stepSince) Return all the effective modified methods since a given step.
int	getOptimizationStep() Return the current optimization step number.
Set<JField>	getReferencedFieldsByMethods(Collection<JMethod> methods) Return fields that are referenced by methods.
Set<JMethod>	getRemovedCalleeMethodsSince(int stepSince) Get the removed callee methods since a given step.
void	incOptimizationStep() Increase the optimization step by 1, create a new set to record modifications in this step.
void	markModified(JField modifiedField) Add modified field to the modification information.
void	markModified(JMethod modifiedMethod) Add modified method to both the modification and dependence information.
void	remove(JField field) Remove field from the modification information.
void	remove(JMethod method) Remove method from both the dependence and modification information.
void	removeFields(Collection<JField> fields) Remove fields from the modification information.
void	removeMethods(Collection<JMethod> methods) Remove methods from the modification information.
void	setLastStepFor(String optimizerName, int step) Set the last modification step of a given optimizer.
void	syncDeletedSubCallGraphsSince(int step, Collection<JMethod> prunedMethods) Remove the pruned methods from the deleted sub call graphs since a given step.
void	traverse(JVisitor visitor, Set<? extends JNode> nodes) Traverse the affected methods and fields.

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Constructor Detail

FullOptimizerContext

public FullOptimizerContext(JProgram program)

Method Detail

getCallees

public Set<JMethod> getCallees(Collection<JMethod> callerMethods)

Description copied from interface: OptimizerContext

Return callee methods of callerMethods.

Specified by:

getCallees in interface OptimizerContext

getCallers

public Set<JMethod> getCallers(Collection<JMethod> calleeMethods)

Description copied from interface: OptimizerContext

Return caller methods of calleeMethods.

Specified by:

getCallers in interface OptimizerContext

getLastStepFor

public int getLastStepFor(String optimizerName)

Description copied from interface: OptimizerContext

Return the last modification step for a given optimizer.

Specified by:

getLastStepFor in interface OptimizerContext

getMethodsByReferencedFields

public Set<JMethod> getMethodsByReferencedFields(Collection<JField> fields)

Description copied from interface: OptimizerContext

Return methods that reference fields.

Specified by:

getMethodsByReferencedFields in interface OptimizerContext

getModifiedFieldsSince

public Set<JField> getModifiedFieldsSince(int stepSince)

Description copied from interface: OptimizerContext

Return all the effective modified fields since a given step.

Specified by:

getModifiedFieldsSince in interface OptimizerContext

getModifiedMethodsSince

public Set<JMethod> getModifiedMethodsSince(int stepSince)

Description copied from interface: OptimizerContext

Return all the effective modified methods since a given step.

Specified by:

getModifiedMethodsSince in interface OptimizerContext

getOptimizationStep

public int getOptimizationStep()

Description copied from interface: OptimizerContext

Return the current optimization step number.

Specified by:

getOptimizationStep in interface OptimizerContext

getReferencedFieldsByMethods

public Set<JField> getReferencedFieldsByMethods(Collection<JMethod> methods)

Description copied from interface: OptimizerContext

Return fields that are referenced by methods.

Specified by:

getReferencedFieldsByMethods in interface OptimizerContext

getRemovedCalleeMethodsSince

public Set<JMethod> getRemovedCalleeMethodsSince(int stepSince)

Description copied from interface: OptimizerContext

Get the removed callee methods since a given step.

Specified by:

getRemovedCalleeMethodsSince in interface OptimizerContext

incOptimizationStep

public void incOptimizationStep()

Description copied from interface: OptimizerContext

Increase the optimization step by 1, create a new set to record modifications in this step.

Specified by:

incOptimizationStep in interface OptimizerContext

markModified

public void markModified(JField modifiedField)

Description copied from interface: OptimizerContext

Add modified field to the modification information.

Specified by:

markModified in interface OptimizerContext

markModified

public void markModified(JMethod modifiedMethod)

Description copied from interface: OptimizerContext

Add modified method to both the modification and dependence information.

Specified by:

markModified in interface OptimizerContext

remove

public void remove(JField field)

Description copied from interface: OptimizerContext

Remove field from the modification information.

Specified by:

remove in interface OptimizerContext

remove

public void remove(JMethod method)

Description copied from interface: OptimizerContext

Remove method from both the dependence and modification information.

Specified by:

remove in interface OptimizerContext

removeFields

public void removeFields(Collection<JField> fields)

Description copied from interface: OptimizerContext

Remove fields from the modification information.

Specified by:

removeFields in interface OptimizerContext

removeMethods

public void removeMethods(Collection<JMethod> methods)

Description copied from interface: OptimizerContext

Remove methods from the modification information.

Specified by:

removeMethods in interface OptimizerContext

setLastStepFor

public void setLastStepFor(String optimizerName,
                           int step)

Description copied from interface: OptimizerContext

Set the last modification step of a given optimizer.

Specified by:

setLastStepFor in interface OptimizerContext

syncDeletedSubCallGraphsSince

public void syncDeletedSubCallGraphsSince(int step,
                                          Collection<JMethod> prunedMethods)

Description copied from interface: OptimizerContext

Remove the pruned methods from the deleted sub call graphs since a given step.

Specified by:

syncDeletedSubCallGraphsSince in interface OptimizerContext

traverse

public void traverse(JVisitor visitor,
                     Set<? extends JNode> nodes)

Description copied from interface: OptimizerContext

Traverse the affected methods and fields.

Specified by:

traverse in interface OptimizerContext