<s>
Visual	B-Operating_System
Expert	I-Operating_System
is	O
a	O
static	O
code	O
analysis	O
tool	O
,	O
extracting	O
design	O
and	O
technical	O
information	O
from	O
software	O
source	O
code	O
by	O
reverse-engineering	O
,	O
used	O
by	O
programmers	O
for	O
software	O
maintenance	O
,	O
modernization	O
or	O
optimization	O
.	O
</s>
<s>
It	O
is	O
designed	O
to	O
parse	B-Language
several	O
programming	O
languages	O
at	O
the	O
same	O
time	O
(	O
PL/SQL	B-Language
,	O
Transact-SQL	B-Language
,	O
PowerBuilder	B-Language
...	O
)	O
and	O
analyze	O
cross-language	O
dependencies	O
,	O
in	O
addition	O
to	O
each	O
language	O
's	O
source	O
code	O
.	O
</s>
<s>
Visual	B-Operating_System
Expert	I-Operating_System
checks	O
source	O
code	O
against	O
hundreds	O
of	O
code	O
inspection	O
rules	O
for	O
vulnerability	B-General_Concept
assessment	I-General_Concept
,	O
bug	B-Error_Name
fix	O
,	O
and	O
maintenance	O
issues	O
.	O
</s>
<s>
Cross-references	O
exploration	O
:	O
Impact	O
Analysis	O
,	O
E/R	B-Architecture
diagrams	I-Architecture
,	O
call	B-Application
graphs	I-Application
,	O
CRUD	B-General_Concept
matrix	I-General_Concept
,	O
dependency	O
graphs	O
.	O
</s>
<s>
Software	O
documentation	O
:	O
a	O
documentation	B-Protocol
generator	I-Protocol
produces	O
technical	O
documentation	O
and	O
low-level	O
design	O
descriptions	O
.	O
</s>
<s>
Inspect	O
the	O
code	O
to	O
detect	O
bugs	B-Error_Name
,	O
security	O
vulnerabilities	O
and	O
maintainability	O
issues	O
.	O
</s>
<s>
Native	O
integration	O
with	O
Jenkins	B-Language
.	O
</s>
<s>
Code	O
comparison	O
:	O
finds	B-Application
differences	I-Application
between	O
several	O
versions	O
of	O
the	O
same	O
code	O
.	O
</s>
<s>
Visual	B-Operating_System
Expert	I-Operating_System
is	O
used	O
in	O
several	O
contexts	O
:	O
</s>
<s>
Program	B-General_Concept
comprehension	I-General_Concept
:	O
helping	O
programmers	O
understand	O
and	O
maintain	O
existing	O
code	O
,	O
or	O
modernize	O
legacy	B-Device
systems	I-Device
.	O
</s>
<s>
As	O
a	O
static	O
code	O
analyzer	O
,	O
Visual	B-Operating_System
Expert	I-Operating_System
is	O
limited	O
to	O
the	O
programming	O
languages	O
supported	O
by	O
its	O
code	B-Language
parsers	I-Language
-	O
Oracle	B-General_Concept
PL/SQL	B-Language
,	O
SQL	B-Application
Server	I-Application
Transact-SQL	B-Language
,	O
PowerBuilder	B-Language
.	O
</s>
<s>
Visual	B-Operating_System
Expert	I-Operating_System
does	O
it	O
automatically	O
,	O
but	O
its	O
duration	O
depends	O
on	O
the	O
size	O
of	O
the	O
code	O
parsed	B-Language
.	O
</s>
<s>
Users	O
must	O
wait	O
for	O
the	O
parsing	B-Language
completion	O
prior	O
to	O
using	O
the	O
features	O
,	O
or	O
schedule	O
it	O
in	O
advance	O
.	O
</s>
<s>
Visual	B-Operating_System
Expert	I-Operating_System
is	O
based	O
on	O
a	O
client/server	B-Operating_System
architecture	I-Operating_System
:	O
the	O
code	O
analysis	O
is	O
running	O
on	O
a	O
Windows	O
PC	O
-	O
preferably	O
a	O
server	O
.	O
</s>
<s>
The	O
information	O
extracted	O
from	O
the	O
code	O
is	O
stored	O
in	O
a	O
RDBMS	B-Application
,	O
communicating	O
with	O
a	O
client	O
application	O
installed	O
on	O
the	O
programmer	O
's	O
computer	O
-	O
no	O
web	B-Application
client	I-Application
is	O
available	O
.	O
</s>
<s>
This	O
requires	O
that	O
the	O
code	O
,	O
the	O
parsers	B-Language
,	O
the	O
RDBMS	B-Application
and	O
the	O
programmers’	O
computers	O
are	O
connected	O
to	O
the	O
same	O
LAN	B-General_Concept
or	O
VPN	B-Application
.	O
</s>
<s>
2016	O
-	O
Visual	B-Operating_System
Expert	I-Operating_System
2016	O
-	O
Oracle	B-General_Concept
PL/SQL	B-Language
code	O
parser	O
,	O
code	O
inventory	O
(	O
lines	O
of	O
code	O
,	O
number	O
of	O
objects	O
…	O
)	O
</s>
