<s>
PetriScript	B-Language
is	O
a	O
modeling	B-Language
language	I-Language
for	O
Petri	B-Operating_System
nets	I-Operating_System
,	O
designed	O
by	O
Alexandre	O
Hamez	O
and	O
Xavier	O
Renault	O
.	O
</s>
<s>
The	O
CPN-AMI	B-Application
platform	B-Device
provides	O
many	O
tools	O
to	O
work	O
on	O
Petri	B-Operating_System
nets	I-Operating_System
,	O
such	O
as	O
verifying	O
and	O
model-checking	O
tools	O
.	O
</s>
<s>
Originally	O
,	O
simple	O
Petri	B-Operating_System
nets	I-Operating_System
were	O
created	O
through	O
graphic	O
design	O
,	O
but	O
research	O
conducted	O
internally	O
at	O
LIP6	O
revealed	O
that	O
it	O
was	O
needed	O
to	O
automate	O
such	O
tasks	O
.	O
</s>
<s>
PetriScript	B-Language
was	O
designed	O
to	O
provide	O
some	O
facilities	O
in	O
modeling	O
places-transition	O
and	O
coloured	O
Petri	B-Operating_System
nets	I-Operating_System
within	O
the	O
CPN-AMI	B-Application
platform	B-Device
.	O
</s>
<s>
Petriscript	B-Language
's	O
main	O
purpose	O
is	O
to	O
automate	O
modeling	O
operations	O
on	O
Petri	B-Operating_System
nets	I-Operating_System
by	O
merging	O
,	O
creating	O
,	O
and	O
connecting	O
nodes	B-Data_Structure
.	O
</s>
<s>
Its	O
syntax	O
is	O
Ada-like	B-Language
.	O
</s>
<s>
The	O
following	O
script	B-Language
produces	O
a	O
FIFO	O
with	O
three	O
sections	O
:	O
</s>
<s>
Which	O
produces	O
the	O
following	O
graph	B-Application
:	O
</s>
<s>
Here	O
is	O
another	O
example	O
that	O
shows	O
the	O
power	O
of	O
PetriScript	B-Language
:	O
</s>
<s>
Which	O
produces	O
the	O
following	O
graph	B-Application
:	O
</s>
