Git Product home page Git Product logo

aleppo's Introduction

Aleppo: ALternative Erlang Pre-ProcessOr

Aleppo is an alternative to epp(3erl), and is mainly intended for Erlang compiler hackers. The problem with EPP is that it only operates on Erlang source files. Aleppo will operate directly on tokens returned by erl_scan.

erl_scan -> *aleppo* -> erl_parse -> compile

Features

  • Token-oriented API. Pass in tokens returned by erl_scan, receive a list of erl_scan-compatible tokens after preprocessor macros have been applied. No parsing of Erlang code is performed!

  • Support for -define, -undef, -ifdef, -ifndef, -else, -endif, -include, -include_lib

  • Preprocessor directives can be used inside functions

API

aleppo:process_file(FileName) -> {ok, Tokens} | {error, Error}

aleppo:process_tokens(Tokens) -> {ok, NewTokens} | {error, Error}

aleppo:process_tokens(Tokens, Options) -> {ok, NewTokens} | {error, Error}

    Options = [{file, FileName}, {include, [IncludeSearchDirectories]}]

Notes

When calling erl_scan:tokens/3, be sure to pass in a {Row, Column} tuple as the third argument (not just a Row integer). Otherwise Aleppo will not properly handle -include directives.

Recommend Projects

  • React photo React

    A declarative, efficient, and flexible JavaScript library for building user interfaces.

  • Vue.js photo Vue.js

    ๐Ÿ–– Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

  • Typescript photo Typescript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  • TensorFlow photo TensorFlow

    An Open Source Machine Learning Framework for Everyone

  • Django photo Django

    The Web framework for perfectionists with deadlines.

  • D3 photo D3

    Bring data to life with SVG, Canvas and HTML. ๐Ÿ“Š๐Ÿ“ˆ๐ŸŽ‰

Recommend Topics

  • javascript

    JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

  • web

    Some thing interesting about web. New door for the world.

  • server

    A server is a program made to process requests and deliver data to clients.

  • Machine learning

    Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.

  • Game

    Some thing interesting about game, make everyone happy.

Recommend Org

  • Facebook photo Facebook

    We are working to build community through open source technology. NB: members must have two-factor auth.

  • Microsoft photo Microsoft

    Open source projects and samples from Microsoft.

  • Google photo Google

    Google โค๏ธ Open Source for everyone.

  • D3 photo D3

    Data-Driven Documents codes.