Maryam Forootaninia tag:blog.lib.umn.edu,2012-03-06:/foroo002/myblog//15982 2012-03-08T18:43:46Z Movable Type Enterprise 4.31-en Iteration-1 tag:blog.lib.umn.edu,2012:/foroo002/myblog//15982.345504 2012-03-08T16:26:32Z 2012-03-08T18:43:46Z Scanner.cpp is started by creating regular expressions for the different enumerated types specified in scanner.h. The main issue in this part is the proper definition of regular expression, because if it does not defined properly the scan method would have... foroo002 Scanner.cpp is started by creating regular expressions for the different enumerated types specified in scanner.h. The main issue in this part is the proper definition of regular expression, because if it does not defined properly the scan method would have problem and it would not work the way that we want to work. Therefore it is really important to have a correct definition for regular expressions.
By fixing the regular expressions for different token types now our scan method works properly except that there is still some problem with the white space which is for some reason the scan does not separate '<>' into '>' and '<', instead it reads it as '<>' and this is not correct because we do not have such a punctuation.
The next step in implementing a proper scanner is to have a correct procedure for traversing through the tokens. It is also working correctly since for each token that we find if there is a next token the filed "Next" will point to it otherwise we will set the "next" to be "NULL".
We still need to do more changes and so that our Iteration-1 passes all the test cases also we need to extend our Makefile so that the new code is compiled and the new tests will be executed by the run-tests target (which is the main task for iteration 2).
When we were starting iteration-1 we found that this project is more advance than the other projects that we did in other classes so working in pairs is really helpful.

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