WeAreDevelopers Logo WeAreDevelopers
Sign in
For You LIVE
World Congress 2023 • Oct 6, 2023

Langium: Design your own language in Node.js and VS Code

Irina Artemeva

Building a custom programming language doesn't have to be a technical nightmare. Learn how Langium streamlines AST generation, robust parsing, and instant VS Code integration using Node.js.

Pause
Mute Enter Fullscreen
#1 about 3 min

Introduction to domain specific languages and their applications

Custom languages address specialized business problems better than general programming languages.

#2 about 4 min

Reducing maintenance costs by decoupling domain knowledge implementation

Dedicated domain languages allow domain experts and developers to work efficiently with specific vocabularies and optimizations.

#3 about 3 min

Choosing paradigms and abstractions for specific domain languages

Designing an effective language requires focusing strictly on the target problem rather than replicating general programming paradigms.

#4 about 2 min

Implementation challenges integrating standard IDE support features

Building a usable custom language requires implementing custom parsers alongside standard features like code completion and scoping.

#5 about 4 min

Simplifying language engineering with the Langium framework stack

The Langium framework automatically generates core parsers and language services from a single grammar definition file.

#6 about 4 min

Managing cross-references and grammar definitions within Langium

Specific syntax constraints for cross-references provide immediate out-of-the-box support for symbol renaming and code navigation.

#7 about 3 min

Workspace management and language server protocol integration capabilities

Native support for multiple documents and standard language server capabilities enables robust diagnostics and automated quick fixes.

#8 about 2 min

Running custom language parsers in web browser environments

Deploying language tools via web workers creates lightweight demonstration playgrounds independent of standard file system constraints.

#9 about 4 min

Demonstrating a custom language grammar with mini logo

A practical example demonstrates defining abstract syntax trees and parse rules to build a visual drawing language.

#10 about 4 min

Generating code and initializing customized toolchain boilerplates

Traversing the parsed abstraction layers generates functional graphical outputs and establishes initial developer environments locally.

Matching moments

2:45 min

Langium architecture and ecosystem integration features

Miro Spönemann · World Congress 2022

2:50 min

Practical applications of language parsing knowledge

Aleksandra Sikora · World Congress 2023

2:02 min

Understanding domain specific languages in software development

Milan Todorović · World Congress 2023

4:37 min

Business drivers for designing domain specific languages

Miro Spönemann · World Congress 2022

1:12 min

Identifying common domain specific languages in everyday development

Milan Todorović · World Congress 2023

3:25 min

Constructing scalable AI solutions using LangChain and LangGraph

Julián Duque Julián Duque · World Congress 2025

More from World Congress 2023

The year 3000, a brief history of Web Development thumbnail
25:30
over 2 years ago

The year 3000, a brief history of Web Development

Lorenzo Pieri

Demografie nutzen um jedem Bewerber das passende Angebot zu machen! thumbnail
8:52
almost 3 years ago

Demografie nutzen um jedem Bewerber das passende Angebot zu machen!

Nathalie Gierth

Guided Memory Management: Rust's Ownership Model thumbnail
0:18
almost 3 years ago

Guided Memory Management: Rust's Ownership Model

Stefan Baumgartner

Passwordless future: WebAuthn and Passkeys in practice thumbnail
32:32
almost 3 years ago

Passwordless future: WebAuthn and Passkeys in practice

Clemens Hübner

External Secrets Operator: the secrets management toolbox for self-sufficient teams thumbnail
30:07
almost 3 years ago

External Secrets Operator: the secrets management toolbox for self-sufficient teams

Moritz Johner

Building Reliable Serverless Applications with AWS CDK and Testing thumbnail
25:18
almost 3 years ago

Building Reliable Serverless Applications with AWS CDK and Testing

Raphael Manke

Related videos

Langium: Design Your Own Language in Node.js and VS Code thumbnail
45:59
World Congress 2022 • over 4 years ago

Langium: Design Your Own Language in Node.js and VS Code

Miro Spönemann

How to become an AI toolsmith thumbnail
30:36
World Congress 2023 • about 3 years ago

How to become an AI toolsmith

Clemens Helm

Making Sense of Programming Languages thumbnail
31:50
World Congress 2023 • about 3 years ago

Making Sense of Programming Languages

Aleksandra Sikora

Create DSL (Domain Specific Language) on top of Swift thumbnail
27:18
World Congress 2023 • about 3 years ago

Create DSL (Domain Specific Language) on top of Swift

Milan Todorović

Building AI Applications with LangChain and Node.js thumbnail
26:42
World Congress 2025 • about 1 year ago

Building AI Applications with LangChain and Node.js

Julián Duque

Stop Parsing Strings: Treating LLMs Like Type-Safe Microservices thumbnail
30:55
World Congress 2026 Europe • 3 months ago

Stop Parsing Strings: Treating LLMs Like Type-Safe Microservices

André Behrens

Related articles

From learning to earning

Jobs that call for the skills explored in this talk.