VarValueTracker

java.lang.Object

gnu.expr.VarValueTracker

public class VarValueTracker extends Object

Used for SSA (Static Single Assignment) analysis.

Constructor Summary

Constructors

Constructor

Description

VarValueTracker(InlineCalls visitor)

VarValueTracker(VarValueTracker outer)
Method Summary

Modifier and Type

Method

Description

void

forkNext()

Called when switching to a new branch of fork, for example the else clause of a new IfExp.

static void

forkPop(InlineCalls visitor)

static void

forkPush(InlineCalls visitor)

Called when starting a new fork, for example a new IfExp.

void

noteSet(Declaration decl, IntNum source)

void

noteUnitialized(Declaration decl)

Note that decl is uninitialized.

void

noteUnitialized(ScopeExp scope)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- VarValueTracker
  
  public VarValueTracker(InlineCalls visitor)
- VarValueTracker
  
  public VarValueTracker(VarValueTracker outer)
Method Details
- forkPush
  
  public static void forkPush(InlineCalls visitor)
  
  Called when starting a new fork, for example a new IfExp.
- forkNext
  
  public void forkNext()
  
  Called when switching to a new branch of fork, for example the else clause of a new IfExp.
- forkPop
  
  public static void forkPop(InlineCalls visitor)
- noteUnitialized
  
  public void noteUnitialized(Declaration decl)
  
  Note that decl is uninitialized.
- noteUnitialized
  
  public void noteUnitialized(ScopeExp scope)
- noteSet
  
  public void noteSet(Declaration decl, IntNum source)