forge.transform
Class AbstractTransformer

java.lang.Object
  forge.transform.AbstractTransformer

All Implemented Interfaces:

Transformer

Direct Known Subclasses:

InlineTransformer

public abstract class AbstractTransformer
extends java.lang.Object
implements Transformer

Implementation support for a transformer of a single call graph.

Author:

Greg Dennis (gdennis@mit.edu)

Nested Class Summary

protected static class

AbstractTransformer.TransformVisitor A TransformVisitor

Field Summary

Fields inherited from interface forge.transform.Transformer

IDENTITY

Constructor Summary

protected

AbstractTransformer() Constructs a transformer with a tag that will be appended to each transformed procedure.

Method Summary

CFGStmt	sourceStmt(CFGStmt targetStmt) Returns the source update from which the given target was transformed.
ForgeCFG	transform(ForgeCFG source) Checks in the cache whether or not the procedure has already been transformed.
protected abstract AbstractTransformer.TransformVisitor	visitor(ForgeCFG source) Returns a TransformVisitor that converts source.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractTransformer

protected AbstractTransformer()

Constructs a transformer with a tag that will be appended to each transformed procedure. Specifically, if the original procedure is named "x", the transformed procedure will be named "x_tag".

Method Detail

transform

public final ForgeCFG transform(ForgeCFG source)

Checks in the cache whether or not the procedure has already been transformed. If it has, returns the transformed version. If not, calls makeTarget, caches the source procedure to the target, and then calls transform(source, target).

Specified by:

transform in interface Transformer

sourceStmt

public final CFGStmt sourceStmt(CFGStmt targetStmt)

Description copied from interface: Transformer

Returns the source update from which the given target was transformed.

Specified by:

sourceStmt in interface Transformer

visitor

protected abstract AbstractTransformer.TransformVisitor visitor(ForgeCFG source)

Returns a TransformVisitor that converts source.