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<title>Treeceptive – Language Engineering Consulting</title>
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  <a class="brand" href="#"><img src="assets/treeceptive-logo.svg" alt="">Treeceptive</a>
  <nav><a href="#services">Services</a><a href="#tools">Tools</a><a href="#about">About</a><a href="#contact">Contact</a></nav>
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  <img src="assets/treeceptive-logo.svg" alt="Treeceptive logo">
  <h1>Language engineering,<br><span>done right.</span></h1>
  <p>Treeceptive helps teams design and build compilers, transpilers, parsers, domain-specific languages and
     developer tooling, with a focus on legacy modernization.</p>
  <a class="btn" href="#contact">Work with us</a>
  <a class="btn alt" href="#tools">Our open-source tools</a>
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<section id="services" class="alt"><div class="wrap">
  <h2>What we do</h2>
  <p class="lead">Two decades of experience in Software Language Engineering, applied to real-world problems.</p>
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    <div class="card" style="--c:var(--orange)"><h3>Compilers &amp; transpilers</h3>
      <p>Design and implementation of compilers and source-to-source translators, from front end to code generation.</p></div>
    <div class="card" style="--c:var(--green)"><h3>Parsers &amp; grammars</h3>
      <p>Special-purpose parsers for programming languages, data formats and legacy dialects, including ambiguous and context-sensitive syntax.</p></div>
    <div class="card" style="--c:var(--blue)"><h3>Domain-specific languages</h3>
      <p>Language design that lets domain experts express solutions directly, with textual or graphical notations and generators.</p></div>
    <div class="card" style="--c:var(--purple)"><h3>IDE plugins &amp; tooling</h3>
      <p>Editors, syntax highlighting, language servers and analysis tools that make your language pleasant to use.</p></div>
    <div class="card" style="--c:var(--orange)"><h3>Legacy modernization</h3>
      <p>Tools for analyzing, migrating and transforming legacy code bases safely and incrementally.</p></div>
    <div class="card" style="--c:var(--green)"><h3>Training &amp; advisory</h3>
      <p>Workshops and technical leadership on language and compiler design for your engineering team.</p></div>
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<section id="tools"><div class="wrap">
  <h2>Open-source tools</h2>
  <p class="lead">We build and maintain a family of parser generators and DSL tools, used by developers and researchers worldwide.</p>
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    <div class="card tool" style="--c:var(--blue)">
      <div class="tag">Python · DSL framework</div><h3>textX</h3>
      <p>Meta-language for building domain-specific languages in Python. Describe your language with a concise grammar and get a parser and a meta-model automatically.</p>
      <div class="links">
        <a class="btn sm" href="https://textx.github.io/textx-playground/">Try it online</a>
        <a class="btn sm alt" href="https://textx.github.io/textX/">Website</a>
        <a class="btn sm alt" href="https://github.com/textX/textX">GitHub</a>
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    <div class="card tool" style="--c:var(--green)">
      <div class="tag">Python · Parser generator</div><h3>parglare</h3>
      <p>A pure Python scanner/parser generator implementing LR and GLR parsing, with scannerless-friendly, context-aware lexing and rich grammar language.</p>
      <div class="links">
        <a class="btn sm" href="https://igor.dejanovic.online/parglare/stable/">Documentation</a>
        <a class="btn sm alt" href="https://github.com/igordejanovic/parglare">GitHub</a>
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    <div class="card tool" style="--c:var(--orange)">
      <div class="tag">Rust · Parser generator</div><h3>Rustemo</h3>
      <p>LR/GLR parser generator for Rust. Generates fast, type-safe parsers with automatic AST types and actions from your grammar.</p>
      <div class="links">
        <a class="btn sm" href="https://igor.dejanovic.online/rustemo/">Documentation</a>
        <a class="btn sm alt" href="https://github.com/igordejanovic/rustemo">GitHub</a>
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  <h2>About Treeceptive</h2>
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    <div>
      <p>Treeceptive is a language engineering consultancy led by <strong>Igor Dejanović</strong>, a seasoned software
      engineering consultant with 20+ years of experience in Software Language Engineering. Igor has led language and
      compiler design projects and is the author and maintainer of textX, Arpeggio, parglare and Rustemo.</p>
      <p>Our recent work is primarily in Rust and Python, with extensive experience across many other languages.
      Igor is also a professor of Computer Science and Software Engineering at the University of Novi Sad, which brings
      academic rigor into practice, and real-world insights into the classroom.</p>
      <p class="profiles">
        <a class="btn sm alt" href="https://www.linkedin.com/in/igor-dejanovi%C4%87-62bb921/">Igor on LinkedIn</a>
        <a class="btn sm alt" href="https://github.com/igordejanovic">Igor on GitHub</a>
      </p>
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    <ul class="facts">
      <li>20+ years of experience</li><li>Rust &amp; Python</li><li>Open-source maintainer</li><li>University of Novi Sad</li>
    </ul>
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<section id="contact"><div class="wrap" style="text-align:center">
  <h2>Let's talk</h2>
  <p class="lead" style="margin:0 auto 24px">Have a language, parser or legacy modernization challenge? Get in touch.</p>
  <a class="btn js-mail" data-u="office" data-d="treeceptive" data-t="com" href="#contact">Email us</a>
  <a class="btn alt" href="https://www.linkedin.com/company/treeceptive/">LinkedIn</a>
  <a class="btn alt" href="https://github.com/treeceptive">GitHub</a>
  <noscript><p class="lead" style="margin:16px auto 0">Email: office [at] treeceptive [dot] com</p></noscript>
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