3:
else
(Tokens have the same form)
Identifiers ´ Keywords
Question:
How to distinguish identifiers from keywords?
1: if
2: then
4
keywords:
identifier
f1
a..z
a..z,0..9
s
keyword
...
...
Is this lexeme
in the table?
YES
NO
Answer: By a table of keywords.
...
22/35
if
keyword
´
ifj
identifier
