20
votes
2answers
1k views

Do modern languages still use parser generators?

I was researching about the gcc compiler suite on wikipedia here, when this came up: GCC started out using LALR parsers generated with Bison, but gradually switched to hand-written ...
1
vote
1answer
105 views

About AST construction in LL1 non recursive parser

I have implemented a LL1 parser in a non recursive approach with a explicit stack. The following algorithm is from the Dragon Book: set zp to point to the first symbol of w; set X to the top stack ...
0
votes
0answers
142 views

Parsing Razor-style Templates

I want to build a template engine (ITT not another template engine...) based on Razor. I've been at it for quite a long time not getting anywhere and quite frankly I'm at my limit. I've tried rolling ...
3
votes
1answer
193 views

Object oriented parser model review

First time I make use of Code Review. At the moment I'm creating an Android application and the company I'm developing it for, has a specific file format that can be used to give text based data ...
-3
votes
1answer
200 views

Best Object Oriented way of parsing a model with several fields(>50) and with null checks

I have a JSON-based data which contains many fields from a particular model. Any value from the list of fields can be null. I am trying to find the best object oriented way of parsing it and also it ...
8
votes
3answers
5k views

Generic file parser design in Java using the Strategy pattern

I am working on a product in which the responsibility of one of the modules is to parse XML files and dump the required content in a database. Even though the present requirement is only to parse XML ...
5
votes
4answers
887 views

Programming Language Parser (in Java) - What would be a better design alternative for a special case?

Background I'm currently designing my own programming language as a research project. I have most of the grammar done and written down as context-free grammar, and it should be working as is. - Now ...
1
vote
1answer
276 views

Extracting text from various file formats

I want to extract text from various files. I used Apache POI for parsing Microsoft documents. It's working and now I want to parse PDFs and extract text from them. Is there a Java API that I could ...