The Rexx Parser

The Rexx Parser documentation is hosted on:

https://rexx.epbcn.com/rexx.parser/ (daily builds and releases).
https://github.com/JosepMariaBlasco/rexx-parser/ (releases only).

The copy at https://rexx.epbcn.com/rexx.parser/ uses the Rexx Highlighter to display Rexx programs, while the copy at https://github.com/JosepMariaBlasco/rexx.parser/ uses the (limited) highlighting provided by GitHub.

/*******************************************************************************/
/* This is a sample Rexx code fragment, numbered, starting at line 93.         */
/* It shows many of the features of the Rexx Parser.                           */
/*******************************************************************************/

/**
 * This is a doc-comment, a special form of comment, similar to JavaDoc.
 * It must appear immediately before a directive or a callable label.
 */
::Method myMethod Package Protected     -- Bold, underline, italic
  Expose x pos stem.

  len = Length( Stem.12.2a.x.y )        -- A built-in function call
  pos = Pos( "S", "String" )            -- An internal function call
  Call External pos, len, .True, 12     -- An external function call
  .environment~test.2.x = test.2.x      -- Method call, compound variable...
  Exit .test.2.x                        -- ...and environment variable

---
--- When a doc-comment starts with "---", it's a _Markdown_ doc-comment.
---
Pos: Procedure                          -- A label
  Return "POS"( Arg(1), Arg(2) ) + 1    -- Built-in function calls

The Rexx Parser is a full Abstract Syntax Tree (AST) parser for Rexx and ooRexx written by Josep Maria Blasco <josep.maria.blasco@epbcn.com> and distributed under the Apache 2.0 license.

Current version and downloads

The current release is beta 0.2, released on 20250215. Daily builds can be found at https://rexx.epbcn.com/rexx.parser/.

Documentation

You may be interested in browsing our documentation. In particular, you may want to use one the following quick links:

Child projects

The Rexx Highlighter

The Rexx Highlighter is a child project of the Rexx Parser. Developed around a common code base, it will include output drivers for HTML, ANSI Terminals, and LaTeX.

Features common to all highlighters.
Variants: