<s>
Object	B-Language
Pascal	I-Language
is	O
an	O
extension	O
to	O
the	O
programming	O
language	O
Pascal	B-Application
that	O
provides	O
object-oriented	B-Language
programming	I-Language
(	O
OOP	O
)	O
features	O
such	O
as	O
classes	O
and	O
methods	B-Language
.	O
</s>
<s>
The	O
language	O
was	O
originally	O
developed	O
by	O
Apple	O
Computer	O
as	O
Clascal	B-Language
for	O
the	O
Lisa	B-Device
Workshop	O
development	O
system	O
.	O
</s>
<s>
As	O
Lisa	B-Device
gave	O
way	O
to	O
Macintosh	B-Device
,	O
Apple	O
collaborated	O
with	O
Niklaus	O
Wirth	O
,	O
the	O
author	O
of	O
Pascal	B-Application
,	O
to	O
develop	O
an	O
officially	O
standardized	O
version	O
of	O
Clascal	B-Language
.	O
</s>
<s>
This	O
was	O
renamed	O
Object	B-Language
Pascal	I-Language
.	O
</s>
<s>
Through	O
the	O
mid-1980s	O
,	O
Object	B-Language
Pascal	I-Language
was	O
the	O
main	O
programming	O
language	O
for	O
early	O
versions	O
of	O
the	O
MacApp	B-Operating_System
application	B-Application
framework	I-Application
.	O
</s>
<s>
The	O
language	O
lost	O
its	O
place	O
as	O
the	O
main	O
development	O
language	O
on	O
the	O
Mac	O
in	O
1991	O
with	O
the	O
release	O
of	O
the	O
C++	B-Language
-based	O
MacApp	B-Operating_System
3.0	O
.	O
</s>
<s>
Symantec	O
also	O
developed	O
a	O
compiler	B-Language
for	O
Object	B-Language
Pascal	I-Language
for	O
their	O
Think	O
Pascal	B-Application
product	O
,	O
which	O
could	O
compile	B-Language
programs	O
much	O
faster	O
than	O
Apple	O
's	O
own	O
Macintosh	B-Operating_System
Programmer	I-Operating_System
's	I-Operating_System
Workshop	I-Operating_System
(	O
MPW	O
)	O
.	O
</s>
<s>
Symantec	O
then	O
developed	O
the	O
Think	O
Class	B-Application
Library	I-Application
(	O
TCL	O
)	O
,	O
based	O
on	O
MacApp	B-Operating_System
concepts	O
,	O
which	O
could	O
be	O
called	O
from	O
both	O
Object	B-Language
Pascal	I-Language
and	O
THINK	B-Operating_System
C	I-Operating_System
.	O
The	O
Think	O
suite	O
largely	O
displaced	O
MPW	O
as	O
the	O
main	O
development	O
platform	O
on	O
the	O
Mac	O
in	O
the	O
late	O
1980s	O
.	O
</s>
<s>
Symantec	O
ported	O
Object	B-Language
Pascal	I-Language
to	O
the	O
PC	O
,	O
and	O
developed	O
a	O
similar	O
object	O
framework	O
on	O
that	O
platform	O
.	O
</s>
<s>
In	O
contrast	O
to	O
TCL	O
,	O
which	O
eventually	O
migrated	O
to	O
C++	B-Language
,	O
the	O
PC	O
libraries	B-Library
remained	O
mainly	O
based	O
on	O
Pascal	B-Application
.	O
</s>
<s>
Borland	O
added	O
support	O
for	O
object-oriented	B-Language
programming	I-Language
to	O
Turbo	B-Application
Pascal	I-Application
5.5	O
,	O
which	O
would	O
eventually	O
become	O
the	O
basis	O
for	O
the	O
Object	B-Language
Pascal	I-Language
dialect	O
used	O
in	O
Delphi	B-Language
.	O
</s>
<s>
Delphi	B-Language
remained	O
mainstream	O
for	O
business	O
applications	O
on	O
the	O
PC	O
into	O
the	O
early	O
2000s	O
,	O
and	O
was	O
partly	O
displaced	O
in	O
the	O
2000s	O
with	O
the	O
introduction	O
of	O
the	O
.NET	B-Application
Framework	I-Application
.	O
</s>
<s>
Pascal	B-Application
became	O
a	O
major	O
language	O
in	O
the	O
programming	O
world	O
in	O
the	O
1970s	O
,	O
with	O
high-quality	O
implementations	O
on	O
most	O
minicomputer	B-Architecture
platforms	O
and	O
microcomputers	B-Architecture
.	O
</s>
<s>
Among	O
the	O
later	O
was	O
the	O
UCSD	B-Language
Pascal	I-Language
system	O
,	O
which	O
compiled	B-Language
to	O
an	O
intermediate	O
p-System	B-Language
code	O
format	O
that	O
could	O
then	O
run	O
on	O
multiple	O
platforms	O
.	O
</s>
<s>
Apple	O
licensed	O
UCSD	O
and	O
used	O
it	O
as	O
the	O
basis	O
for	O
their	O
Apple	B-Operating_System
Pascal	I-Operating_System
system	O
for	O
the	O
Apple	B-Device
II	I-Device
and	O
Apple	B-Device
III	I-Device
.	O
</s>
<s>
Pascal	B-Application
became	O
one	O
of	O
the	O
major	O
languages	O
in	O
the	O
company	O
in	O
this	O
period	O
.	O
</s>
<s>
With	O
the	O
start	O
of	O
the	O
Apple	B-Device
Lisa	I-Device
project	O
,	O
Pascal	B-Application
was	O
selected	O
as	O
the	O
main	O
programming	O
language	O
of	O
the	O
platform	O
,	O
although	O
this	O
time	O
as	O
a	O
compiler	B-Language
in	O
contrast	O
to	O
the	O
p-System	B-Language
interpreter	B-Application
.	O
</s>
<s>
Object	B-Language
Pascal	I-Language
is	O
an	O
extension	O
of	O
the	O
Pascal	B-Application
language	I-Application
that	O
was	O
developed	O
at	O
Apple	O
Computer	O
by	O
a	O
team	O
led	O
by	O
Larry	O
Tesler	O
in	O
consultation	O
with	O
Niklaus	O
Wirth	O
,	O
the	O
inventor	O
of	O
Pascal	B-Application
.	O
</s>
<s>
It	O
is	O
descended	O
from	O
an	O
earlier	O
object-oriented	B-Language
version	O
of	O
Pascal	B-Application
named	O
Clascal	B-Language
,	O
which	O
was	O
available	O
on	O
the	O
Lisa	B-Device
computer	O
.	O
</s>
<s>
Object	B-Language
Pascal	I-Language
was	O
needed	O
to	O
support	O
MacApp	B-Operating_System
,	O
an	O
expandable	O
Macintosh	B-Device
application	B-Application
framework	I-Application
that	O
would	O
now	O
be	O
termed	O
a	O
class	B-Application
library	I-Application
.	O
</s>
<s>
Object	B-Language
Pascal	I-Language
extensions	O
,	O
and	O
MacApp	B-Operating_System
,	O
were	O
developed	O
by	O
Barry	O
Haynes	O
,	O
Ken	O
Doyle	O
,	O
and	O
Larry	O
Rosenstein	O
,	O
and	O
were	O
tested	O
by	O
Dan	O
Allen	O
.	O
</s>
<s>
An	O
Object	B-Language
Pascal	I-Language
extension	O
was	O
also	O
implemented	O
in	O
the	O
Think	O
Pascal	B-Application
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
.	O
</s>
<s>
The	O
IDE	O
includes	O
the	O
compiler	B-Language
and	O
an	O
editor	O
with	O
syntax	O
highlighting	O
and	O
checking	O
,	O
a	O
powerful	O
debugger	B-Application
,	O
and	O
a	O
class	B-Application
library	I-Application
.	O
</s>
<s>
Many	O
developers	O
preferred	O
Think	O
Pascal	B-Application
over	O
Apple	O
's	O
implementation	O
of	O
Object	B-Language
Pascal	I-Language
because	O
Think	O
Pascal	B-Application
offered	O
a	O
much	O
faster	O
compile	B-Language
–	O
link	B-Application
–	O
debug	O
cycle	O
,	O
and	O
tight	O
integration	O
of	O
its	O
tools	O
.	O
</s>
<s>
The	O
last	O
official	O
release	O
of	O
Think	O
Pascal	B-Application
was	O
4.01	O
,	O
in	O
1992	O
.	O
</s>
<s>
Apple	O
dropped	O
support	O
for	O
Object	B-Language
Pascal	I-Language
when	O
they	O
moved	O
from	O
Motorola	B-Device
68000	I-Device
series	I-Device
chips	O
to	O
IBM	O
's	O
PowerPC	B-Architecture
architecture	O
in	O
1994	O
.	O
</s>
<s>
MacApp	B-Operating_System
3.0	O
,	O
had	O
already	O
been	O
rewritten	O
in	O
C++	B-Language
and	O
ported	O
to	O
this	O
platform	O
.	O
</s>
<s>
Metrowerks	O
offered	O
with	O
CodeWarrior	B-Operating_System
an	O
Object	B-Language
Pascal	I-Language
compiler	B-Language
for	O
Macintosh	B-Device
that	O
targeted	O
both	O
68k	B-Device
and	O
PowerPC	B-Architecture
,	O
both	O
in	O
their	O
IDE	O
and	O
as	O
MPW	O
tools	O
.	O
</s>
<s>
Macintosh	B-Device
developers	O
using	O
Object	B-Language
Pascal	I-Language
had	O
a	O
path	O
to	O
port	O
to	O
the	O
PowerPC	B-Architecture
,	O
even	O
architecture	O
after	O
both	O
Apple	O
and	O
Symantec	O
dropped	O
support	O
.	O
</s>
<s>
MacApp	B-Operating_System
2.0	O
,	O
written	O
in	O
Object	B-Language
Pascal	I-Language
,	O
was	O
ported	O
to	O
the	O
PowerPC	B-Architecture
using	O
CodeWarrior	B-Operating_System
.	O
</s>
<s>
In	O
1986	O
,	O
Borland	O
introduced	O
similar	O
extensions	O
,	O
also	O
named	O
Object	B-Language
Pascal	I-Language
,	O
to	O
the	O
Turbo	B-Application
Pascal	I-Application
product	O
for	O
the	O
Macintosh	B-Device
,	O
and	O
in	O
1989	O
for	O
Turbo	B-Application
Pascal	I-Application
5.5	O
for	O
DOS	B-Device
.	O
</s>
<s>
When	O
Borland	O
refocused	O
from	O
DOS	B-Device
to	O
Windows	B-Application
in	O
1994	O
,	O
they	O
created	O
a	O
successor	O
to	O
Turbo	B-Application
Pascal	I-Application
,	O
named	O
Delphi	B-Language
,	O
and	O
introduced	O
a	O
new	O
set	O
of	O
extensions	O
to	O
create	O
what	O
is	O
now	O
known	O
as	O
the	O
Delphi	B-Language
language	I-Language
.	O
</s>
<s>
The	O
development	O
of	O
Delphi	B-Language
started	O
in	O
1993	O
and	O
Delphi	B-Language
1.0	O
was	O
officially	O
released	O
in	O
the	O
United	O
States	O
on	O
14	O
February	O
1995	O
.	O
</s>
<s>
While	O
code	O
using	O
the	O
Turbo	B-Application
Pascal	I-Application
object	O
model	O
could	O
still	O
be	O
compiled	B-Language
,	O
Delphi	B-Language
featured	O
a	O
new	O
syntax	O
using	O
the	O
keyword	O
class	O
in	O
preference	O
to	O
object	O
,	O
the	O
Create	O
constructor	O
and	O
a	O
virtual	B-Application
Destroy	O
destructor	O
(	O
and	O
negating	O
having	O
to	O
call	O
the	O
New	O
and	O
Dispose	O
procedures	O
)	O
,	O
properties	O
,	O
method	O
pointers	O
,	O
and	O
some	O
other	O
things	O
.	O
</s>
<s>
These	O
were	O
inspired	O
by	O
the	O
ISO	O
working	O
draft	O
for	O
object-oriented	B-Language
extensions	O
,	O
but	O
many	O
of	O
the	O
differences	O
from	O
Turbo	B-Application
Pascal	I-Application
's	O
dialect	O
(	O
such	O
as	O
the	O
draft	O
's	O
requirement	O
that	O
all	O
methods	B-Language
be	O
virtual	B-Application
)	O
were	O
ignored	O
.	O
</s>
<s>
The	O
Delphi	B-Language
language	I-Language
has	O
continued	O
to	O
evolve	O
over	O
the	O
years	O
to	O
support	O
constructs	O
such	O
as	O
dynamic	B-Data_Structure
arrays	I-Data_Structure
,	O
generics	B-Language
and	O
anonymous	B-General_Concept
methods	I-General_Concept
.	O
</s>
<s>
Borland	O
used	O
the	O
name	O
Object	B-Language
Pascal	I-Language
for	O
the	O
programming	O
language	O
in	O
the	O
first	O
versions	O
,	O
but	O
later	O
renamed	O
it	O
to	O
Delphi	B-Language
.	O
</s>
<s>
Compilers	B-Language
that	O
claim	O
to	O
be	O
compatible	O
with	O
Object	B-Language
Pascal	I-Language
are	O
often	O
trying	O
to	O
be	O
compatible	O
with	O
Delphi	B-Language
source	O
code	O
.	O
</s>
<s>
Because	O
Delphi	B-Language
is	O
a	O
trademark	O
,	O
compatible	O
compilers	B-Language
continue	O
using	O
the	O
name	O
Object	B-Language
Pascal	I-Language
.	O
</s>
<s>
Embarcadero	O
Technologies	O
,	O
which	O
purchased	O
Delphi	B-Language
in	O
2008	O
,	O
sells	O
the	O
Delphi	B-Language
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
that	O
compiles	B-Language
the	O
Delphi	B-Language
dialect	O
of	O
Object	B-Language
Pascal	I-Language
to	O
Windows	B-Application
and	O
macOS	B-Application
,	O
iOS	B-Application
,	O
Android	B-Application
and	O
Web	O
.	O
</s>
<s>
.NET	B-Application
support	O
existed	O
from	O
Delphi	B-Language
8	O
through	O
Delphi	B-Language
2005	O
,	O
2006	O
,	O
and	O
2007	O
,	O
which	O
now	O
has	O
been	O
replaced	O
by	O
another	O
language	O
,	O
Oxygene	B-Language
(	O
see	O
below	O
)	O
,	O
which	O
is	O
not	O
fully	O
backward-compatible	O
.	O
</s>
<s>
The	O
Oxygene	B-Language
language	O
developed	O
by	O
RemObjects	O
Software	O
targets	O
the	O
Common	O
Language	O
Infrastructure	O
,	O
the	O
Java	B-Device
(	O
software	O
platform	O
)	O
Runtime	O
Environment	O
and	O
Apple	O
's	O
Cocoa	B-Operating_System
frameworks	O
for	O
iOS	B-Application
and	O
macOS	B-Application
.	O
</s>
<s>
The	O
open	B-License
source	I-License
Free	B-Operating_System
Pascal	I-Operating_System
project	O
allows	O
the	O
language	O
to	O
be	O
compiled	B-Language
for	O
a	O
wide	O
range	O
of	O
operating	B-General_Concept
systems	I-General_Concept
,	O
including	O
Linux	B-Application
(	O
32-bit	O
,	O
64-bit	B-Device
)	O
,	O
FreeBSD	B-Operating_System
,	O
Classic	B-Application
Mac	I-Application
OS	I-Application
,	O
macOS	B-Application
,	O
Solaris	B-Application
,	O
Windows	B-Library
API	I-Library
(	O
32	O
,	O
64	O
,	O
CE	B-Operating_System
)	O
,	O
the	O
ARM	B-Architecture
instruction	I-Architecture
set	I-Architecture
architecture	O
(	O
ISA	O
)	O
,	O
and	O
several	O
other	O
hardware	O
architectures	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
Free	B-Operating_System
Pascal	I-Operating_System
for	O
the	O
iPhone	B-Device
software	B-Application
development	I-Application
kit	I-Application
(	O
SDK	O
)	O
2.x	O
was	O
announced	O
on	O
January	O
17	O
,	O
2009	O
.	O
</s>
<s>
The	O
Smart	B-Language
Pascal	I-Language
language	O
targets	O
ECMAScript	B-Language
–	O
JavaScript	B-Language
and	O
is	O
used	O
in	O
Smart	O
Mobile	O
Studio	O
,	O
written	O
by	O
Jon	O
Lennart	O
Aasenden	O
and	O
published	O
by	O
Optimale	O
Systemer	O
(	O
2012	O
)	O
.	O
</s>
<s>
The	O
language	O
greatly	O
simplifies	O
HTML5	B-Application
development	O
through	O
object-oriented	B-Language
,	O
and	O
rapid	O
application	O
development	O
(	O
RAD	O
)	O
methods	B-Language
.	O
</s>
<s>
Smart	B-Language
Pascal	I-Language
integrates	O
tightly	O
with	O
established	O
technologies	O
such	O
as	O
node.js	B-Language
,	O
Embarcadero	O
DataSnap	O
,	O
and	O
Remobjects	O
SDK	O
to	O
produce	O
high-performance	O
client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
model	I-Operating_System
web	O
applications	O
.	O
</s>
<s>
The	O
language	O
allows	O
easy	O
creation	O
of	O
visual	O
components	O
and	O
reusable	B-Library
libraries	I-Library
.	O
</s>
<s>
The	O
Smart	B-Language
Pascal	I-Language
dialect	O
stems	O
from	O
the	O
DWScript	O
language	O
,	O
extended	O
to	O
better	O
integrate	O
with	O
the	O
JavaScript	B-Language
environment	O
and	O
libraries	B-Library
,	O
such	O
as	O
asm	O
sections	O
which	O
are	O
plain	O
JavaScript	B-Language
but	O
have	O
access	O
to	O
Pascal	B-Application
symbols	O
,	O
or	O
external	O
classes	O
which	O
map	O
directly	O
to	O
prototypal	O
JavaScript	B-Language
classes	O
.	O
</s>
<s>
Smart	B-Language
Pascal	I-Language
introduces	O
true	O
inheritance	O
,	O
classes	O
,	O
partial	O
classes	O
,	O
interfaces	O
,	O
a	O
virtual	B-Language
method	I-Language
table	I-Language
and	O
many	O
other	O
advanced	O
constructs	O
which	O
are	O
not	O
a	O
part	O
of	O
JavaScript	B-Language
by	O
default	O
.	O
</s>
<s>
MIDletPascal	B-Application
runs	O
on	O
a	O
Java	B-Language
virtual	I-Language
machine	I-Language
(	O
JVM	B-Language
)	O
bytecode	O
platform	O
;	O
which	O
Free	B-Operating_System
Pascal	I-Operating_System
also	O
targets	O
,	O
with	O
far	O
more	O
features	O
.	O
</s>
<s>
The	O
Morfik	O
Pascal	B-Application
language	I-Application
,	O
developed	O
by	O
Morfik	O
,	O
targets	O
Ajax-enabled	O
Web	O
applications	O
.	O
</s>
<s>
The	O
compiler	B-Language
is	O
built	O
into	O
the	O
company	O
's	O
AppsBuilder	O
IDE	O
and	O
allows	O
Object	B-Language
Pascal	I-Language
code	O
to	O
be	O
used	O
in	O
implementing	O
code	O
to	O
execute	O
in	O
a	O
browser	O
or	O
server	O
.	O
</s>
<s>
It	O
uses	O
the	O
Free	B-Operating_System
Pascal	I-Operating_System
compiler	I-Operating_System
to	O
generate	O
native	O
binaries	O
from	O
Object	B-Language
Pascal	I-Language
.	O
</s>
<s>
The	O
open	B-License
source	I-License
GNU	B-Language
Pascal	I-Language
compiler	B-Language
is	O
available	O
as	O
a	O
front-end	O
to	O
the	O
GNU	B-Application
Compiler	I-Application
Collection	I-Application
,	O
which	O
implements	O
the	O
International	O
Organization	O
for	O
Standardization	O
(	O
ISO	O
)	O
7185	O
Pascal	B-Application
standard	O
,	O
and	O
most	O
of	O
the	O
ISO	O
10206	O
Extended	O
Pascal	B-Application
standard	O
.	O
</s>
<s>
Turbo51	O
is	O
a	O
free	O
compiler	B-Language
to	O
program	O
Intel	B-Architecture
8051	I-Architecture
chips	O
.	O
</s>
<s>
WDSibyl	O
is	O
an	O
open	B-License
source	I-License
Delphi-like	O
IDE	O
and	O
compiler	B-Language
available	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
OS/2	B-Application
,	O
and	O
is	O
a	O
commercial	O
Turbo	B-Application
Pascal	I-Application
compatible	O
environment	O
released	O
by	O
a	O
company	O
named	O
Speedsoft	O
that	O
was	O
later	O
developed	O
into	O
a	O
Delphi-like	O
RAD	O
environment	O
named	O
Sybil	O
,	O
and	O
then	O
open	O
sourced	O
under	O
the	O
GPL	O
when	O
that	O
company	O
closed	O
down	O
.	O
</s>
<s>
The	O
compiler	B-Language
used	O
seems	O
to	O
be	O
located	O
in	O
a	O
DLL	O
and	O
is	O
not	O
open-source	B-License
.	O
</s>
<s>
Object	B-Language
Pascal	I-Language
compilers	B-Language
are	O
available	O
for	O
a	O
wide	O
range	O
of	O
operating	B-General_Concept
systems	I-General_Concept
and	O
architectures	O
.	O
</s>
<s>
Delphi	B-Language
is	O
probably	O
the	O
best	O
known	O
compiler	B-Language
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
of	O
the	O
highly	O
successful	O
Borland	B-Application
Pascal	I-Application
and	O
Turbo	B-Application
Pascal	I-Application
product	O
line	O
.	O
</s>
<s>
It	O
targets	O
Windows	B-Application
9x	O
(	O
Delphi	B-Language
2007	O
and	O
older	O
)	O
,	O
the	O
Windows	B-Device
NT	I-Device
family	I-Device
,	O
.NET	B-Application
Framework	I-Application
(	O
Delphi	B-Language
8	O
,	O
2005	O
,	O
2007	O
)	O
,	O
macOS	B-Application
(	O
Delphi	B-Language
XE2	O
and	O
later	O
)	O
,	O
iOS	B-Application
(	O
Delphi	B-Language
XE2	O
and	O
later	O
,	O
generating	O
native	O
binaries	O
in	O
XE4	O
and	O
later	O
)	O
,	O
Android	B-Application
(	O
Delphi	B-Language
XE5	O
and	O
later	O
,	O
generating	O
native	O
binaries	O
in	O
XE5	O
and	O
later	O
)	O
.	O
</s>
<s>
Support	O
for	O
.NET	B-Application
finally	O
became	O
a	O
separate	O
product	O
known	O
as	O
Oxygene	B-Language
(	O
see	O
below	O
)	O
.	O
</s>
<s>
Free	B-Operating_System
Pascal	I-Operating_System
Compiler	I-Operating_System
(	O
FPC	O
)	O
is	O
an	O
open-source	B-License
Object	B-Language
Pascal	I-Language
compiler	B-Language
that	O
supports	O
many	O
Pascal	B-Application
dialects	O
,	O
including	O
Turbo	B-Application
Pascal	I-Application
7	O
,	O
Delphi	B-Language
,	O
and	O
others	O
.	O
</s>
<s>
Currently	O
,	O
FPC	O
can	O
generate	O
code	O
for	O
IA-32	B-Device
,	O
x86-64	B-Device
,	O
PowerPC	B-Architecture
,	O
SPARC	B-Architecture
,	O
and	O
ARM	B-Architecture
processors	I-Architecture
,	O
and	O
for	O
several	O
operating	B-General_Concept
systems	I-General_Concept
,	O
including	O
Microsoft	B-Application
Windows	I-Application
,	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
,	O
Classic	B-Application
Mac	I-Application
OS	I-Application
,	O
and	O
macOS	B-Application
(	O
with	O
an	O
Xcode	B-Operating_System
integration	O
kit	O
)	O
.	O
</s>
<s>
Several	O
separate	O
projects	O
exist	O
to	O
facilitate	O
rapid	O
application	O
development	O
with	O
FPC	O
,	O
the	O
most	O
prominent	O
one	O
being	O
Lazarus	B-Language
(	O
IDE	O
)	O
.	O
</s>
<s>
GNU	B-Language
Pascal	I-Language
(	O
a	O
separately	O
distributed	O
part	O
of	O
the	O
GNU	B-Application
Compiler	I-Application
Collection	I-Application
)	O
,	O
while	O
not	O
formally	O
aimed	O
at	O
the	O
Delphi	B-Language
dialect	O
of	O
Pascal	B-Application
,	O
does	O
contain	O
a	O
Turbo	B-Application
Pascal	I-Application
compatibility	O
mode	O
,	O
and	O
is	O
very	O
slowly	O
incorporating	O
a	O
few	O
Delphi	B-Language
language	I-Language
features	O
.	O
</s>
<s>
It	O
is	O
unsuitable	O
for	O
recompiling	O
large	O
bodies	O
of	O
Delphi	B-Language
code	I-Language
directly	O
,	O
but	O
is	O
notable	O
as	O
having	O
prolific	O
support	O
for	O
operating	B-General_Concept
systems	I-General_Concept
and	O
hardware	O
architectures	O
.	O
</s>
<s>
Oxygene	B-Language
(	O
formerly	O
Chrome	B-Language
)	O
is	O
an	O
Object	B-Language
Pascal	I-Language
compiler	B-Language
from	O
RemObjects	O
Software	O
that	O
integrates	O
into	O
Microsoft	B-Application
Visual	I-Application
Studio	I-Application
.	O
</s>
<s>
It	O
is	O
also	O
available	O
as	O
free	O
command-line	B-Application
interface	I-Application
compiler	B-Language
that	O
runs	O
native	O
on	O
CLI	O
.	O
</s>
<s>
It	O
is	O
three	O
compilers	B-Language
in	O
one	O
,	O
each	O
targeting	O
a	O
different	O
platform	O
:	O
Echoes	O
for	O
.NET	B-Application
Framework	I-Application
,	O
Mono	B-Application
,	O
WinRT	O
and	O
Windows	B-Application
Phone	O
8	O
,	O
Cooper	O
for	O
JDK	B-Language
and	O
Android	B-Application
,	O
and	O
Nougat	O
for	O
iOS	B-Application
and	O
macOS	B-Application
.	O
</s>
<s>
MIDletPascal	B-Application
is	O
a	O
mobile	O
application	O
development	O
tool	O
that	O
generates	O
Java	B-Language
ME	I-Language
bytecode	O
.	O
</s>
<s>
PocketStudio	B-Application
is	O
a	O
Pascal-based	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
for	O
Palm	B-Operating_System
OS	I-Operating_System
.	O
</s>
<s>
Ultibo.org	O
Core	O
is	O
based	O
on	O
Free	B-Operating_System
Pascal	I-Operating_System
,	O
with	O
development	O
in	O
the	O
Lazarus	B-Language
IDE	O
for	O
embedded	O
Raspberry	B-Operating_System
Pi	I-Operating_System
applications	O
.	O
</s>
<s>
Borland	B-Application
Kylix	I-Application
was	O
a	O
Linux	B-Application
variant	O
of	O
Delphi	B-Language
which	O
only	O
targets	O
Intel	O
32-bit	O
Linux	B-Application
using	O
the	O
Qt	B-Language
library	I-Language
.	O
</s>
<s>
It	O
does	O
not	O
work	O
out	O
of	O
the	O
box	O
with	O
most	O
modern	O
Linux	B-Application
distributions	O
.	O
</s>
<s>
Virtual	B-Application
Pascal	I-Application
was	O
a	O
free	O
32-bit	O
Turbo	B-Application
Pascal	I-Application
and	O
Delphi	B-Language
compatible	O
compiler	B-Language
for	O
mainly	O
OS/2	B-Application
and	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Later	O
,	O
it	O
also	O
received	O
a	O
DOS+	O
Extender	O
and	O
an	O
experimental	O
Linux	B-Application
cross-compiler	O
.	O
</s>
<s>
The	O
compiler	B-Language
's	O
development	O
stopped	O
at	O
about	O
the	O
level	O
of	O
Delphi	B-Language
2	O
.	O
</s>
<s>
(	O
formerly	O
InnerFuse	O
)	O
and	O
(	O
Delphi	B-Language
Web	O
Script	O
)	O
are	O
open-source	B-License
Object	B-Language
Pascal	I-Language
interpreters	B-Application
and	O
scripting	O
engines	O
written	O
in	O
Delphi	B-Language
.	O
</s>
<s>
They	O
support	O
subsets	O
of	O
Object	B-Language
Pascal	I-Language
.	O
</s>
<s>
DWScript	O
can	O
also	O
compile	B-Language
Object	B-Language
Pascal	I-Language
code	O
into	O
JavaScript	B-Language
code	O
(	O
Smart	B-Language
Pascal	I-Language
)	O
,	O
and	O
supports	O
just-in-time	O
compilation	B-Language
(	O
JIT	O
)	O
.	O
</s>
<s>
Modern	O
Pascal	B-Application
provides	O
3	O
different	O
interpreters	B-Application
:	O
a	O
command-line	B-Application
interface	I-Application
(	O
CLI	O
)	O
,	O
Apache	O
Module	O
(	O
Celerity	O
)	O
,	O
and	O
CodeRunner	O
(	O
node.js	B-Language
like	O
solution	O
able	O
to	O
handle	O
different	O
scripts	O
per	O
port	O
)	O
,	O
besides	O
the	O
ability	O
to	O
compile	B-Language
and	O
protect	O
a	O
script	O
's	O
source	O
code	O
.	O
</s>
<s>
Here	O
are	O
several	O
"	O
Hello	O
World	O
"	O
programs	O
in	O
different	O
Object	B-Language
Pascal	I-Language
versions	O
.	O
</s>
<s>
Still	O
supported	O
in	O
Delphi	B-Language
and	O
Free	B-Operating_System
Pascal	I-Operating_System
.	O
</s>
<s>
FPC	O
also	O
packages	O
its	O
own	O
substitutes	O
for	O
the	O
libraries/units	O
.	O
</s>
<s>
Delphi	B-Language
does	O
n't	O
.	O
</s>
<s>
The	O
Free	B-Operating_System
Pascal	I-Operating_System
1.0	O
series	O
and	O
the	O
FPC	O
textmode	O
IDE	O
are	O
the	O
largest	O
open	O
codebases	O
in	O
this	O
dialect	O
.	O
</s>
<s>
Free	B-Operating_System
Pascal	I-Operating_System
2.0	O
was	O
rewritten	O
in	O
a	O
more	O
Delphi-like	O
dialect	O
,	O
and	O
the	O
textmode	O
IDE	O
and	O
related	O
frameworks	O
(	O
Free	O
Vision	O
)	O
are	O
the	O
only	O
parts	O
in	O
the	O
TP	O
version	O
of	O
Object	B-Language
Pascal	I-Language
.	O
</s>
<s>
Note	O
that	O
the	O
object	O
construct	O
is	O
still	O
available	O
in	O
Delphi	B-Language
and	O
Free	B-Operating_System
Pascal	I-Operating_System
.	O
</s>
<s>
The	O
method	O
implementation	O
can	O
also	O
be	O
made	O
in	O
a	O
distinct	O
location	O
as	O
in	O
other	O
Object	B-Language
Pascal	I-Language
dialects	O
.	O
</s>
<s>
Many	O
features	O
have	O
been	O
introduced	O
continuously	O
to	O
Object	B-Language
Pascal	I-Language
with	O
extensions	O
to	O
Delphi	B-Language
and	O
extensions	O
to	O
FreePascal	B-Operating_System
.	O
</s>
<s>
In	O
reaction	O
to	O
criticism	O
,	O
Free	B-Operating_System
Pascal	I-Operating_System
has	O
adopted	O
generics	B-Language
with	O
the	O
same	O
syntax	O
as	O
Delphi	B-Language
,	O
provided	O
Delphi	B-Language
compatibility	O
mode	O
is	O
selected	O
,	O
and	O
both	O
Delphi	B-Language
(	O
partial	O
)	O
and	O
Free	B-Operating_System
Pascal	I-Operating_System
(	O
more	O
extensive	O
)	O
support	O
operator	O
overloading	O
.	O
</s>
<s>
Delphi	B-Language
has	O
also	O
introduced	O
many	O
other	O
features	O
since	O
version	O
7	O
,	O
including	O
generics	B-Language
.	O
</s>
<s>
Whereas	O
FreePascal	B-Operating_System
tries	O
to	O
be	O
compatible	O
to	O
Delphi	B-Language
in	O
Delphi	B-Language
compatibility	O
mode	O
,	O
it	O
also	O
usually	O
introduced	O
many	O
new	O
features	O
to	O
the	O
language	O
that	O
are	O
not	O
always	O
available	O
in	O
Delphi	B-Language
.	O
</s>
