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This is the twenty third part of the SQLxD series. For your convenience you can find other parts in the table of contents in Part 1 – XML Transformation Here go the tests for query parser: If you followed this series then this whole code should be very easy. Summary We now have engine for … Continue reading SQLxD Part 23 — Query parser tests
This is the twenty second part of the SQLxD series. For your convenience you can find other parts in the table of contents in Part 1 – XML Transformation For parsing queries we use IronPython. Let’s begin with C# code for executing PLY engine: And now goes the parser: This is simply an implementation of … Continue reading SQLxD Part 22 — Query parser
This is the second part of the YAUL series. For your convenience you can find other parts in the table of contents in Part 1 — Introduction Last time we described features of a language we are going to write. Today we are going to define its grammar using EBNF-like notation. Notation We will describe … Continue reading Yet Another Useless Language Part 2 — Grammar
This is the first part of the Yet Another Useless Language series. For your convenience you can find other parts using the links below : Part 1 — Introduction Part 2 — Grammar Part 3 — Variables Part 4 — Compiler Part 5 — Variables Part 6 — If Part 7 — Loop Part 8 … Continue reading Yet Another Useless Language Part 1 — Introduction
In this post I describe how to use Python Lex-Yacc (PLY) in C# with IronPython. Introduction IronPython is a .NET implementation of Python interpreter. It is based on Python 2.7.x and can be executed as separate application or run directly from .NET applications. PLY is a Python implementation of Lex and Yacc. These tools are … Continue reading Using PLY in C#