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- More improvements.

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This commit is contained in:
ccremers
2005-12-03 16:48:10 +00:00
parent 290e5a8b5c
commit 7637d8a263
2 changed files with 53 additions and 6 deletions
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12
scripts/if2spdl/Ifparser.py
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@@ -138,9 +138,11 @@ def ruleParser ():
# Principal fact
Principal = Literal("w") + lbr + Step + comma + Agent + comma + Agent + comma + MsgList + comma + MsgList + comma + Boolean + comma + Session + rbr
Principal.setParseAction(lambda s,l,t: [ If.PrincipalFact(t[1:]) ])
# Message fact
MessageFact = Literal("m") + lbr + Step + comma + Agent + comma + Agent + comma + Agent + comma + Message + comma + Session + rbr
MessageFact.setParseAction(lambda s,l,t: [ If.MessageFact(t[1:]) ])
# Goal fact
Secret = Literal("secret") + lbr + Message + Literal("f") + lbr + Session + rbr + rbr
@@ -148,6 +150,7 @@ def ruleParser ():
Witness = Literal("witness") + lbr + Agent + comma + Agent + comma + Constant + comma + Message + rbr
Request = Literal("request") + lbr + Agent + comma + Agent + comma + Constant + comma + Message + rbr
GoalFact = Or ([ Secret, Give, Witness, Request ])
GoalFact.setParseAction(lambda s,l,t: [ If.GoalFact(t) ])
# Goal State
# It actually yields a rule (not a state per se)
Correspondence = Principal + dot + Principal
@@ -164,6 +167,7 @@ def ruleParser ():
# TimeFact
TimeFact = Literal("h") + lbr + Message + rbr
TimeFact.setParseAction(lambda s,l,t: [ If.TimeFact(t[1]) ])
# Intruder knowledge
IntruderKnowledge = Literal("i") + lbr + Message + rbr
@@ -180,7 +184,8 @@ def ruleParser ():
mr2 = implies
mr3 = Literal("h") + lbr + Literal("xTime") + rbr + dot + MFPrincipal + Optional(dot + delimitedList(GoalFact, "."))
MessageRule = Group(mr1) + mr2 + Group(mr3) ## DEVIANT : BNF requires newlines
MessageRule.setParseAction(lambda s,l,t: [ If.MessageRule(t[0],t[1]) ])
MessageRule.setParseAction(lambda s,l,t: [
If.MessageRule(t[0][3],t[1][2:]) ])
InitialState = Literal("h") + lbr + Literal("xTime") + rbr + dot + State ## DEVIANT : BNF requires newlines
InitialState.setParseAction(lambda s,l,t: [ If.InitialRule(t[2]) ])
@@ -216,8 +221,7 @@ def ifParser():
def labeledruleAction(s,l,t):
rule = t[1]
if type(rule) == "Rule":
rule.setLabel(t[0])
rule.setLabel(t[0])
return [rule]
labeledrule.setParseAction(labeledruleAction)
@@ -259,6 +263,8 @@ def linesParse(lines):
parser = ifParser()
result = parser.parseString("".join( lines[1:]))
### TEST
#print result
# Main code