Re: [Jason-users] Problem with .add_plan

[Jomi H. <hu...@em...>]

Hi Felipe, you should 'escape' the internal ", as in

.add_plan("@obligationStart(.print(\"Hello\"))+now: true  
<- .print(\"Hello\").").

Regards,

Jomi


On Aug 1, 2008, at 8:12 PM, Felipe Rech Meneguzzi wrote:

> Hello All,
>
>    I have been having problems with the .add_plan internal action,  
> when I try to add the following plan:
>   "@obligationStart(.print("Hello"))+now: true <- .print("Hello")."
>
>    Getting the following error:
>
> [Plan] Error parsing plan @obligationStart(.print(
> jason.asSyntax.parser.ParseException: Encountered "<EOF>" at line 1,  
> column 24.
> Was expecting one of:
>     <VAR> ...
>     "true" ...
>     "false" ...
>     "~" ...
>     "begin" ...
>     "end" ...
>     <NUMBER> ...
>     <STRING> ...
>     <ATOM> ...
>     <UNNAMEDVAR> ...
>     "-" ...
>     "(" ...
>     "[" ...
>
>     at jason.asSyntax.parser.as2j.generateParseException(as2j.java: 
> 1772)
>     at jason.asSyntax.parser.as2j.jj_consume_token(as2j.java:1652)
>     at jason.asSyntax.parser.as2j.term(as2j.java:574)
>     at jason.asSyntax.parser.as2j.terms(as2j.java:520)
>     at jason.asSyntax.parser.as2j.pred(as2j.java:496)
>     at jason.asSyntax.parser.as2j.literal(as2j.java:333)
>     at jason.asSyntax.parser.as2j.term(as2j.java:549)
>     at jason.asSyntax.parser.as2j.terms(as2j.java:520)
>     at jason.asSyntax.parser.as2j.pred(as2j.java:496)
>     at jason.asSyntax.parser.as2j.plan(as2j.java:215)
>     at jason.asSyntax.Plan.parse(Plan.java:116)
>     at jason.asSyntax.PlanLibrary.add(PlanLibrary.java:82)
>     at jason.stdlib.add_plan.execute(add_plan.java:93)
>     at  
> jason 
> .asSemantics.TransitionSystem.applyExecInt(TransitionSystem.java:396)
>     at  
> jason 
> .asSemantics 
> .TransitionSystem.applySemanticRule(TransitionSystem.java:124)
>     at  
> jason 
> .asSemantics.TransitionSystem.reasoningCycle(TransitionSystem.java: 
> 862)
>     at  
> jason.infra.centralised.CentralisedAgArch.run(CentralisedAgArch.java: 
> 196)
>     at java.lang.Thread.run(Thread.java:619)
>
> This seems to be caused by the code in the following line  
> in .add_plan.execute:
>
> Term plans = DefaultTerm.parse(args[0].toString());
>
> Which results in plans being parsed to: "@obligationStart(.print("
>
> Maybe I am doing things wrong here, but I believe the plan within  
> the string is perfectly valid. So assuming there is a problem when  
> you try to add plans which contain strings at some point, I will try  
> to solve it and I am trying to figure out how to sort this out, and  
> when I do this, I will gladly post the fixed code.
>
> If I did something wrong, I would appreciate it if someone pointed  
> out what.
>
> Regards,
>
> -- 
> ___________________________
> Felipe Rech Meneguzzi
> fel...@gm...
> http://fmeneguzzi.blogspot.com
> ___________________________
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-- 
Jomi Fred Hubner
ENS Mines Saint-Etienne
158 Cours Fauriel
42023 Saint-Etienne Cedex 02
France
http://www.emse.fr/~hubner