I've got a simple grammar. Actually, the grammar I'm using is more complex, but this is the smallest subset that illustrates my question. Expr ::= Value Suffix | "(" Expr ")" Suffix Suffix ::= "->" Expr | "<-" Expr | Expr | epsilon Value matches identifiers, strings, numbers, et cetera. The Suffix ru...
I am trying to rename a bunch of files recursively using Powershell 2.0. The directory structure looks like this: Leaflets + HTML - File1 - File2 ... + HTMLICONS + IMAGES - Image1 - Image2 - File1 - File2 ... + RTF - File1 - File2 ... + SGML - File1 - File2 ... I am using the following command: get-c...
hi, I am writing (hand written) recursive descent parser for SQL select statement in c++, i need to know whether the parse tree created by me is correct or not. I want to check but i didn't get a good sources for sql parse trees. My way of approach is - writing a function for each production and in that function the result is adding to ...
I'm currently in a class on systems software development. We are writing the two-pass assembler for the assembly language of a fictional machine. We've implemented the tokenizer, and all of the classes that we need to abstractedly represent this program - all that is left (besides implementing the code generator in a later phase) is to p...