--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/compiler/PPCOptimizationResult.st	Sun Oct 26 01:03:31 2014 +0000
@@ -0,0 +1,37 @@
+"{ Package: 'stx:goodies/petitparser/compiler' }"
+
+Object subclass:#PPCOptimizationResult
+	instanceVariableNames:'change'
+	classVariableNames:''
+	poolDictionaries:''
+	category:'PetitCompiler-Nodes'
+!
+
+PPCOptimizationResult comment:''
+!
+
+!PPCOptimizationResult class methodsFor:'as yet unclassified'!
+
+nothing
+	^ PPCOptimizationResult new
+		change: false;
+		yourself
+! !
+
+!PPCOptimizationResult methodsFor:'accessing'!
+
+change
+	Halt ifShiftPressed.
+	change := true.
+!
+
+isChange
+	^ change
+! !
+
+!PPCOptimizationResult methodsFor:'initialization'!
+
+initialize
+	change := false
+! !
+