I'd like to use gplex to generate tokens for gppg to parse and create a tree (similar to the lex/yacc I'm wondering if there's something similar for the d programming language (i.e I've done a couple of small projects with gplex/gppg, which are pretty straightforward reimplementations of lex/yacc in c#
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I've not used any of the other tools above, so i can't really compare them, but these worked fine
Gppg can be found here and gplex here
That being said, i agree, a full lex/yacc solution probably is overkill for your problem I would suggest generating a set of bindings. Everything is going great except for one really nasty bit The language we are parsing has a sort of .
For lalr parser, i found gppg/gplex, and for ll parser, there is the famous antlr But, i want to reuse my flex/bison grammar as much as possible Is there any direct port of flex/bison for c# What lexer/parser people normally use for c#
Is there any reason for that choice?
0 we're using gppg (essentially bison for c#) to generate a parser for a programming language The language we are parsing has a sort of implicit comparison rule, where expression expression should be interpreted as expression == expression. I could go and write a big method that would use the collected tokens to figure out which leaves should be put in which branches and in the end populate a treenode object, but since gppg already handled everything by using supplied regular expressions, i was wondering if there's an easier way? Gardens point lex and the gardens point parser generator are strongly influenced by lex and yacc, and output c# code
Your grammar is simple enough that i think your current approach is fine, but kudos for wanting to learn the real way of doing it This is far from a full example The actual gppg file needs to replace the. If '(' ')' statements elsebody // end conflict information for parser empty rules just aggravate the gppg i'm affraid
But they seem so natural to use i keep trying them
I already know right recursion solves the problem as 1800 information has said But i'm looking for a solution with left recursion on the elseifs clause. When i was working in c#, i found the gppg and gplex parser/lexer generators to be perfect for my needs
