com.google.gwt.dev.jjs.impl

Interface OptimizerContext

All Known Implementing Classes:

FullOptimizerContext

public interface OptimizerContext

A context used for optimizations that maintains and provides information shared by optimization passes.

Field Summary

Fields

Modifier and Type	Field and Description
static OptimizerContext	NULL_OPTIMIZATION_CONTEXT An optimization context that does not provide any information.

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.

Field Detail

NULL_OPTIMIZATION_CONTEXT

static final OptimizerContext NULL_OPTIMIZATION_CONTEXT

An optimization context that does not provide any information.

Method Detail

markModified

void markModified(JField modifiedField)

Add modified field to the modification information.

markModified

void markModified(JMethod modifiedMethod)

Add modified method to both the modification and dependence information.

getCallers

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

Return caller methods of calleeMethods.

getCallees

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

Return callee methods of callerMethods.

getLastStepFor

int getLastStepFor(String optimizerName)

Return the last modification step for a given optimizer.

getModifiedFieldsSince

Set<JField> getModifiedFieldsSince(int stepSince)

Return all the effective modified fields since a given step.

getModifiedMethodsSince

Set<JMethod> getModifiedMethodsSince(int stepSince)

Return all the effective modified methods since a given step.

getOptimizationStep

int getOptimizationStep()

Return the current optimization step number.

incOptimizationStep

void incOptimizationStep()

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

remove

void remove(JField field)

Remove field from the modification information.

removeFields

void removeFields(Collection<JField> fields)

Remove fields from the modification information.

remove

void remove(JMethod method)

Remove method from both the dependence and modification information.

removeMethods

void removeMethods(Collection<JMethod> methods)

Remove methods from the modification information.

setLastStepFor

void setLastStepFor(String optimizerName,
                    int step)

Set the last modification step of a given optimizer.

getMethodsByReferencedFields

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

Return methods that reference fields.

getReferencedFieldsByMethods

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

Return fields that are referenced by methods.

syncDeletedSubCallGraphsSince

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

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

getRemovedCalleeMethodsSince

Set<JMethod> getRemovedCalleeMethodsSince(int stepSince)

Get the removed callee methods since a given step.

traverse

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

Traverse the affected methods and fields.