compiler design

[saleban]

hi mates

i have project in compiler design especialy lexical analysis so i need help 4 u

 

A C++ program which takes sequence of characters then gives me sequence of their token types.

 

example.

 

if. ............ keyword

3 int value

x,,,,,,,,,,,,, variable

=.............. equal sign

 

this is an example

i neeed more wich help me creating complete compiler

[Shadow]

What you're trying to achieve is pretty complicated. What will be the input?

[bascule]

Is the goal here to write your own FSA from scratch, or are you allowed to use existing lexer generators like flex?

[alan2here]

Do you mean input

 

int n = 3;

if (n == 3)

{

n++;

}

 

and the following is output?

 

int, keyword

n, variable integer

=, keyword

3, literal integer

if, keyword

(, open bracket type 1

n, variable int n

==, keyword

3, literal int 3

), close bracket type 1

{, open bracket type 2

n, variable int n

++, keyword

}, close bracket type 2

 

or more like this?

 

int, keyword

.=, keyword

..n, variable integer

..3, literal integer

;, keyword

if, keyword

(), bracket set type 1

.==, keyword

..n, variable int n

..3, literal int 3

{}, bracket set type 2

.++, keyword

..n, variable int n

;, keyword

[morganparkar]

Hi friend,

I can't explain the whole procedure in this post.It's very difficult for me.I have the source code but i can't post it because it's very long.

[bascule]

Use a service like http://gist.github.com, http://pastie.org, http://pastebin.com, etc. Then post a link here.