Actionscript parsing experiences: PyBison & PLY

how to write scholarship essay My experiments with text-parsing continue.. michael jordan thesis science phd consulting resume PyBison help with college marketing papers Last day I founded a python library (pybison) which runs the generated python parser at near the speed of C-based parsers, due to direct hooks into bison-generated C code. Cool, unfortunately I couldn’t compiled it for Windows and so I made my test on Ubuntu only. What I did was just to export the already written lexer/grammar using bison2py (boundled with pybison) and run it.

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how much does a business plan cost If you want to take a look at the python parser try it by downloading the source code here. The file accept these parameters: books help write dissertation
usage: [options] link options: here -h, --help            show this help message and exit link -v, --verbose         Turn on verbose mode -o OUTPUT_FILE, --output=OUTPUT_FILE Don't print to stdout but to the output file go to site -i INPUT_FILE, --input=INPUT_FILE uw personal statement Input file to be parsed -x, --to-xml          Returns a human-readable xml representation of the
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-b, --bison-debug     Print the Bison/Flex debug sample argumentative essays You can download the source code here

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The second test I did was using PLY, an implementation of lex and yacc parsing tools for Python. Being implemented entirely in python it should be much more slower that pybison, but I didn’t find any difference with the pybison parser version. In fact PLY , like the traditional bison, creates tables starting from the grammar syntax.
Ok, Both of the implementations are slower that the pure C parser, but extremely faster that antlr!
(They took more or less 0.02 to 0.5 secs for parsing and generating the AST.)
Unlike pybison PLY is still mantained and offers more features and a better error handling.. even if the whole grammar has to be rewritten in python, and it can be compiled in Windows too. write phd thesis computer science

right essay online To run the test just write:

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python {filename}

how write a personal statement P.S. Unfortunately the yacc parser isn’t yet complete because I still need to find a way for parsing correctly E4X and XML syntax..

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