parsing - lexers vs parsers - Stack Overflow
Are lexers and parsers really that different in theory? It seems fashionable to hate regular expressions: coding horror, another blog post. However, popular lexing based tools: …
What is parsing in terms that a new programmer would understand?
May 29, 2010 · A parser for that language would accept AABB input and reject the AAAB input. That is what a parser does. In addition, during this process a data structure could be created …
How can I pass a list as a command-line argument with argparse?
I am trying to pass a list as an argument to a command line program. Is there an argparse option to pass a list as option? parser.add_argument ('-l', '--list', type=list, acti...
parsing - How to write a Parser in C#? - Stack Overflow
Sep 11, 2011 · How do I go about writing a Parser (Recursive Descent?) in C#? For now I just want a simple parser that parses arithmetic expressions (and reads variables?). Though later I …
Difference between compilers and parsers? - Stack Overflow
Dec 17, 2009 · A parser would check for the syntax of sentences being correct, though. And the lexer might already look into a dictionary to see whether the words are made up or are indeed …
What's the best way to parse command line arguments?
What's the easiest, tersest, and most flexible method or library for parsing Python command line arguments?
Which parsers are available for parsing C# code? - Stack Overflow
Which parsers are available for parsing C# code? I'm looking for a C# parser that can be used in C# and give me access to line and file informations about each artefact of the analysed code.
Looking for a clear definition of what a "tokenizer", "parser" and ...
202 I am looking for a clear definition of what a "tokenizer", "parser" and "lexer" are and how they are related to each other (e.g., does a parser use a tokenizer or vice versa)? I need to create a …
Best practices for writing a programming language parser
Nov 27, 2012 · You're better off finding a parser generator that can handle a larger language set. If you really don't want to get into tools, you can look at recursive descent parsers - it's a really …
python - Parsing boolean values with argparse - Stack Overflow
I would like to use argparse to parse boolean command-line arguments written as "--foo True" or "--foo False". For example: my_program --my_boolean_flag False However, the following test …