Theia Programming Language and Web Studio Platform (v1.0)

Theia is a full-stack, dataflow-oriented programming language that unifies database modeling, backend server functions, and reactive frontend user interfaces in a single end-to-end type-safe system.

The project includes Theia Studio, an interactive visual Web Builder platform in the browser that allows users to create, customize, and publish websites using the Theia language compiler.

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Key Features

• Single Source of Truth: A single .theia file defines data models, server functions, and reactive client components.
• Language-Integrated Query: Native relational database queries without ORM or raw SQL strings.
• Fine-Grained Reactivity: Native Signal and Store reactivity without Virtual DOM overhead.
• Strict Type Safety: Explicit null safety, Result<T, E> error handling with try operator, and deferred memory cleanup.
• Theia Studio: Visual drag-and-drop web builder with two-way code synchronization and one-click live publishing.

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CLI Usage Guide

1. Launch Theia Studio (Visual Web Builder)

python main.py studio

Access the Studio Dashboard at: http://localhost:3030

2. Launch Live Dev Server

python main.py dev examples/news_portal.theia

Access the Live Application at: http://localhost:8000

3. Run Built-in Unit Tests

python main.py test examples/ecommerce.theia

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Repository Structure

New Lang/
├── theia/                   # Core Compiler Package & Studio Engine
│   ├── tokens.py            # Token definitions
│   ├── lexer.py             # Lexical analyzer
│   ├── ast_nodes.py         # Abstract Syntax Tree node definitions
│   ├── parser.py            # Recursive descent parser
│   ├── type_checker.py      # Static semantic & type analyzer
│   ├── compiler.py          # Transpiler engine (SQL, Python, JS)
│   ├── studio_engine.py     # Studio visual layout code generator
│   └── studio_server.py     # Studio HTTP API server
├── studio_static/           # Visual Drag & Drop Builder UI
│   ├── index.html           # Studio Canvas & Inspector Dashboard
│   └── studio_app.js        # Studio client-side interaction engine
├── examples/                # Example applications (.theia)
│   ├── news_portal.theia    # News Portal application
│   ├── ecommerce.theia      # E-Commerce application
│   └── todo_app.theia       # Todo List application
├── output/                  # Generated build artifacts (ignored by git)
├── main.py                  # CLI Command Line Interface entry point
├── .gitignore               # Git ignore rules
└── README.md                # Project documentation

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License

MIT License.