- Much improved.

scripts/if2spdl/generator.py

@@ -1,4 +1,43 @@
 #!/usr/bin/python
 
+def unfold(arg):
+	for x in arg:
+		print x
+
+def initialState(arg):
+	print "Initial State"
+	unfold(arg)
+
+def protocolRules(arg):
+	print "Protocol Rules"
+	unfold(arg)
+	
+# Goals: ignored for now
+def goal(arg):
+	return
+
+def labeledRule(lr):
+	type = None
+	label = None
+	if lr[0] == "lb":
+		label = lr[1]
+	if lr[2] == "type":
+		type = lr[3]
+	arg = lr[4]
+
+	if type == "Init":
+		initialState(arg)
+	elif type == "Protocol_Rules":
+		protocolRules(arg)
+	elif type == "Goal":
+		goal(arg)
+
 def generateSpdl(ll):
+	if ll[0] == "option":
+		print "Option [" + ll[1] + "]"
+		for i in ll[2]:
+			labeledRule(i)
+		return
+
+	print "Not understood element: "
 	print ll[0]

scripts/if2spdl/parser.py

@@ -66,18 +66,18 @@ def ifParse (str):
 	Fact = Principal | MessageFact | IntruderKnowledge | TimeFact | Secret | Give | Witness | Request
 
 	#State = Fact + OptioZeroOrMore ("." + Fact)
-	State = delimitedList (Fact, ".")
+	State = Group(delimitedList (Fact, "."))
 
 	# Rules and labels
 	rulename = Word (alphanums + "_")
 	rulecategory = oneOf("Protocol_Rules Invariant_Rules Decomposition_Rules Intruder_Rules Init Goal")
 	label = hash + "lb" + equ + rulename + com + "type" + equ + rulecategory
-	rule = State + Optional(implies + State)
+	rule = Group(State + Optional(implies + State))
 	labeledrule = Group(label + rule)
 	typeflag = hash + "option" + equ + oneOf ("untyped","typed")
 
 	# A complete file
-	iffile = typeflag + OneOrMore(labeledrule) 
+	iffile = typeflag + Group(OneOrMore(labeledrule))
 
 	parser = iffile
 	parser.ignore("##" + restOfLine)