BED-Con talk Breakdown of the problem General project structure

General project structure

Project structure

  • Runtime library
    • Encapsulate a compatible PHP runtime environment
    • Basic type system and arithmetics
    • Registry for PHP function, classes and variables
    • Extension/module system
  • Necessary extensions/modules that are used in most PHP projects
    • mb_strings
      • Multi-byte string
      • This is the actual unicode support for PHP
    • mysql
      • Most commonly used database access in PHP
    • preg
      • Support for regular expressions in PHP
    • bcmath
      • Arbitrary-precision integers and decimals
    • curl
      • Most commonly used HTTP library
    • …
  • Abstract syntax tree (AST)
    • Also contains interpreter code using the runtime library
  • Parser
    • Convert PHP code to the AST
  • API
    • To quickly integrate PHP into a Java-based web-container of your choice
    • Examples for Play
    • Maybe examples for Servlet API as well
  • Transformer
    • Convert an AST to Scala code
    • Do some basic syntax analysis to reduce the amount of unnecessary code