Comments on: Lexical Analyzer

By: grace

grace — Sat, 27 Jul 2013 13:26:10 +0000

kylangan ko din po ng program n lexical analyzer.. the same program sa taas..

sample output:
m=1* (a+v % 3);
m is a variable
= is an assignment operator
1 is a number
( is a punctuation
a is a variable
+ is an arithmetic operator
v is a variable
% is an arithmetic operator
3 is a number
) is a punctuation
; is a separator

By: Joe

Joe — Mon, 22 Jul 2013 13:48:09 +0000

Kindly send me a program that will accept expressions from the user and define the keywords, identifiers, number, relational operator and etc.

Sample output:
Enter expression:
scanf(“%s”, exp);

scanf is a keyword
( is a punctuation
” is a punctuation
%s
” is a punctuation
, is a punctuation
exp is an identifier
) is a punctuation
; is a punctuation

mail me on joeann_espanol@yahoo.com

thank’z

By: rahel

rahel — Sat, 16 Mar 2013 13:05:17 +0000

would u give an answer for this

1. Write a program in LEX to count the no of:
(i) positive and negative integers
(ii) positive and negative fractions.
For C and C++ source programs
1. Write a LEX program to recognize a valid C and C++ programs if u can include if condition, loop.

By: rahel

rahel — Sat, 16 Mar 2013 13:03:39 +0000

2.Write a program in LEX to count the no of:
(i) positive and negative integers
(ii) positive and negative fractions.
For C and C++ source programs

By: yalini

yalini — Sat, 15 Dec 2012 04:34:12 +0000

how to run this token separation program (format plz)

By: yalini

yalini — Sat, 15 Dec 2012 04:33:26 +0000

how to run this token separation program (format)

By: Magoba

Magoba — Sat, 22 Jan 2011 20:28:08 +0000

Let the minds continue to convene here and devour problems!!

Thanx to you all enthusiasts!

By: ramya

ramya — Sun, 04 Apr 2010 13:18:09 +0000

plz send me the source code in lex to identify different parts of speech by making use of symbol table.

By: Ankit

Ankit — Wed, 03 Mar 2010 13:47:01 +0000

Can you tell how many tokes the following statments consists of:-

printf(“Test of %d tokens %d”,a,b);

printf(“TEST”);

i am bit confused weather %d will be treated as separate tokens or not?

And for the literal weather the quotations (“) will be counted as tokens or not?

By: gavincurtis

gavincurtis — Wed, 03 Feb 2010 01:05:33 +0000

“speak Japanese
i cant understand at all”