com.google.javascript.jscomp

Class SideEffectsAnalysis.IntraproceduralMotionEnvironment

java.lang.Object

com.google.javascript.jscomp.SideEffectsAnalysis.AbstractMotionEnvironment

com.google.javascript.jscomp.SideEffectsAnalysis.IntraproceduralMotionEnvironment

Enclosing class:

SideEffectsAnalysis

public static class SideEffectsAnalysis.IntraproceduralMotionEnvironment
extends SideEffectsAnalysis.AbstractMotionEnvironment

An environment for motion within a function. Given a control flow graph and a source and destination node in the control flow graph, instances of this object will calculate the environment between the source and destination.

Constructor Summary

Constructors

Constructor and Description
IntraproceduralMotionEnvironment(ControlFlowGraph<Node> controlFlowGraph, Node cfgSource, Node cfgDestination) Creates an intraprocedural motion environment.

Method Summary

Modifier and Type	Method and Description
java.util.Set<Node>	calculateEnvironment() Calculates the set of nodes that this environment represents.

Methods inherited from class java.lang.Object

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

Constructor Detail

IntraproceduralMotionEnvironment

public IntraproceduralMotionEnvironment(ControlFlowGraph<Node> controlFlowGraph,
                                        Node cfgSource,
                                        Node cfgDestination)

Creates an intraprocedural motion environment.

Parameters:

controlFlowGraph - A control flow graph for function in which code will be moved

cfgSource - The code to be moved

cfgDestination - The node immediately before which cfgSource will be moved

Method Detail

calculateEnvironment

public java.util.Set<Node> calculateEnvironment()

Description copied from class: SideEffectsAnalysis.AbstractMotionEnvironment

Calculates the set of nodes that this environment represents.

Specified by:

calculateEnvironment in class SideEffectsAnalysis.AbstractMotionEnvironment