Posts Tagged ‘bison’

How to create an abstract syntax tree while parsing an input stream.

May 25, 2014 2 comments

In this article I’ll show you how you can create the abstract syntax tree (AST) of an input stream while parsing it. A parser usually reads various tokens from its input by using a lexer as a helper coroutine and tries to match various grammar rules that specify the syntax of a language (the source language).

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Techniques for resolving common grammar conflicts in parsers.

May 17, 2014 Leave a comment

In this article I’ll present to you some common conflicts that usually occur in Bison grammars and ways of resolving these. At first, conflicts in Bison context are situations where a sequence of input can be parsed in multiple ways according to the specified BNF grammar rules.

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The project ‘YAFL’ (Yet Another Free Language).

May 7, 2012 Leave a comment

This project refers to the development of the procedural programming language YAFL (Yet Another Free Language) as well as its interpreter. The programming language YAFL is a tool for teaching the basic principles of procedural programming to secondary school students and beginners in general.

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