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source code for scanner in a compiler

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source code for scanner in a compiler

hemapriya	19 Jul, 2007 - 05:47 PM Post #1
New D.I.C Head Joined: 19 Jul, 2007 Posts: 1 Thanked 1 times My Contributions	i'm a third year student.i am asked to do a project on how to write a scanner in c language for testing whether a given regular expression belongs to the grammar or not.the module should also include how to implement NFA and DFA.
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PennyBoki	19 Jul, 2007 - 06:03 PM Post #2
system("revolution"); Joined: 11 Dec, 2006 Posts: 2,009 Thanked 5 times Dream Kudos: 500 Expert In: Java,C++,C My Contributions	Hi hemapriya, your project sounds really interesting. Try the code snippets we have here at dream in code, but I'm skeptical about it. But if you do find something please don't hesitate to share with us.
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dogboi	19 Jul, 2007 - 07:43 PM Post #3
D.I.C Head Joined: 10 Jul, 2007 Posts: 93 Dream Kudos: 25 My Contributions	You might want to look at Bison, the GNU parser generator. I don't recommend you cheat and use the code it generates for your project. Your instructor WILL know. But it might help you work out how it's done.
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Amadeus	20 Jul, 2007 - 04:31 AM Post #4
g++ -o drink whiskey.cpp Joined: 12 Jul, 2002 Posts: 12,178 Thanked 33 times Dream Kudos: 25 My Contributions	I'd also suggest the following: http://en.wikipedia.org/wiki/Compilers:_Pr...es%2C_and_Tools http://en.wikipedia.org/wiki/Principles_of_Compiler_Design Taught me how to build a compiler!
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NickDMax	21 Jul, 2007 - 07:12 PM Post #5
2B\|\|!2B Joined: 18 Feb, 2007 Posts: 2,858 Thanked 47 times Dream Kudos: 550 My Contributions	QUOTE Taught me how to build a compiler! I bet. I have been meaning to write a tutorial on FSM's and other automata for a while now and just can never find the time to do it justice. you can find some good examples and information here
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