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Hypo

Hypo is a hyper-fast runtime for HTML, the programming language.

Run HTML, the programming language code outside of the browser.

Installation

Requirements: Go 1.21 or later

git clone https://github.com/angelofallars/hypo
cd hypo
go install ./cmd/hypo

Usage

With no arguments, Hypo will spin up a REPL for you to type and run HTML, the programming language code. You can execute an .html file by passing the file name as an argument to Hypo.

$ hypo example/helloworld.html
Hello world!

Status

Currently implemented commands:

Literals

  • <s>
  • <data>
  • <ol>
  • <table>

Math Commands

  • <dd> - Supported for types Number and String (string concatenation)
  • <sub> - Supported for type Number
  • <ul> - Supported for type Number
  • <div> - Supported for type Number

Stack Manipulation Commands

  • <dt>
  • <del>

Comparison Commands

  • <big>
  • <small>
  • <em>

Logical Operators

  • <b>
  • <bdi>
  • <bdo>

Control Flow

  • <i>
  • <rt>
  • <a>

Variables

  • <var>
  • <cite>

I/O

  • <input>
  • <output>
  • <wbr>

Properties

  • <rp>
  • <samp>

Arrays/Dynamic Properties

  • <address>
  • <ins>

Functions

  • <dfn>

Programs

  • <main>
  • <body>

Types

Internally, Hypo has these types for values. Note that they may act differently to the original JavaScript-based implementation of HTML, the programming language. Most importantly, you cannot ever add two values of different types, unlike JavaScript.

  • Number - Number type, created by <data>
  • String - String type, created by <s>
  • Bool - String type, created by using <cite>true</cite> and <cite>false</cite>
  • Obj - Object type, TODO
  • Array - Array type, created by using <ol>