<s>
Irony	B-Application
is	O
a	O
parser	B-Language
framework	B-Architecture
for	O
language	B-Application
implementation	I-Application
on	O
the	O
.NET	B-Application
platform	I-Application
.	O
</s>
<s>
Unlike	O
most	O
existing	O
yacc/lex	O
-style	O
solutions	O
,	O
it	O
does	O
not	O
employ	O
code	O
generation	O
(	O
thus	O
Irony	B-Application
is	O
not	O
a	O
parser	B-Language
generator	I-Language
)	O
of	O
a	O
scanner/parser	O
from	O
grammars	O
written	O
in	O
an	O
external	O
DSL	B-Language
.	O
</s>
<s>
The	O
grammars	O
for	O
the	O
target	B-Application
language	I-Application
are	O
coded	O
directly	O
in	O
C#	B-Application
instead	O
.	O
</s>
<s>
The	O
framework	B-Architecture
implements	O
a	O
LALR(1 )	O
parser	B-Language
.	O
</s>
<s>
Terminal	B-Algorithm
and	I-Algorithm
nonterminal	I-Algorithm
symbols	I-Algorithm
and	O
production	O
rules	O
are	O
defined	O
in	O
an	O
object	B-Language
oriented	I-Language
flavor	O
of	O
the	O
EBNF	O
using	O
operator	O
overloading	O
.	O
</s>
<s>
The	O
framework	B-Architecture
allows	O
for	O
the	O
generation	O
of	O
an	O
abstract	B-Data_Structure
syntax	I-Data_Structure
tree	I-Data_Structure
which	O
can	O
be	O
traversed	B-Algorithm
using	O
the	O
visitor	B-Language
pattern	I-Language
or	O
evaluated	O
using	O
an	O
interpreter	B-Application
.	O
</s>
