RACSO
DFA
CFG
Operations:
Reg
,
CF
PDA
Reductions:
K
,
WP
,
CFG
,
NP
,
SAT
ANTLR:
lexical
,
syntactic
Exams
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Exercise
‹
4
›
:
Lexical ANTLR description for all strings of lowercase letters where the letters appear in strict lexicographic increasing order (
a
<
b
<
c
<
…
<
m
<
n
<
o
<
…
a<b<c<\ldots<m<n<o<\ldots
a
<
b
<
c
<
…
<
m
<
n
<
o
<
…
)
For example,
b
c
f
bcf
b
c
f
is in the language, but
b
a
ba
ba
and
c
c
cc
cc
are not.
Authors:
Guillem Godoy (taken from Jordi Cortadella's exercise list) /
Documentation:
// Write here your ANTLR lexical description...
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