3. Message
from
Xtext
Project
Lead
Good
evening
everybody!
I
hope
you’ll
have
a
good
5me
hearing
about
Eclipse
Xtext.
I
am
very
pleased
to
hear
that
there
is
so
much
interest
in
this
topic
in
Tokyo!
You
are
all
very
welcome
to
try
this
framework
out
and
in
case
you
have
any
ques5ons
feel
free
to
ask
them
in
the
ac5ve
online
forum
at
Eclipse.
Also
in
case
you
consider
basing
some
serious
business
on
it,
you
should
know
that
my
company
itemis
offers
professional
services,
like
trainings
and
onsite
consul5ng.
Have
fun
and
keep
the
abstrac5ons
sound!
Best
Regards,
Sven
EKinge
(Xtext
project
lead)
42. Layers
of
Models
M3
Meta-‐meta
model
MOF
(CMOF,
EMOF/ecore)
conform
to
Metamodel
M2
e.g.
UML,
SOA,
BPMN,
…
conform
to
Model
Instance
of
Instance
or
Object
Model
M1
e.g.
UML
models,
SOA
models,
BPMN
models,
…
M0
44. DSLの定義
• Domain-‐Specific
Languages
(DSLs)
の定義は
MarUn
Fowler
さんの本では次のようになって
います
– “a
computer
programming
language
of
limited
expressiveness
focused
on
a
parUcular
domain”