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- Better parsing of multiple branching constructs.

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TODO: No handling of loops yet.
This commit is contained in:
ccremers
2005-12-05 11:16:06 +00:00
parent 21834257a2
commit cd8f8db0a8
3 changed files with 180 additions and 36 deletions
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4
scripts/if2spdl/Ifparser.py
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@@ -157,7 +157,7 @@ def ruleParser ():
MsgList = Forward()
MsgComp = Literal("c") + lbr + Message + comma + MsgList + rbr
MsgComp.setParseAction(lambda s,l,t: [ If.MsgList([ t[1] ]) + t[2] ])
MsgComp.setParseAction(lambda s,l,t: [ If.MsgList([t[1]] + t[2].getList()) ])
MsgList << Or ([ MsgEtc, Variable, MsgComp ])
Step = Or ([ Number, Variable ])
@@ -218,7 +218,7 @@ def ruleParser ():
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][3],t[1][2:]) ])
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]) ])