Language support for the DomainForge SEA DSL - syntax highlighting, diagnostics, and formatting for .sea files.
Features
🎨 Syntax Highlighting - Full TextMate grammar for SEA DSL
🔍 Diagnostics - Real-time parse error detection
📐 Formatting - Format Document with configurable indent style
🔗 Go to Definition - Navigate to entity/resource declarations
💡 Hover Information - Rich tooltips for entities, resources, flows
✨ Code Completion - Context-aware suggestions
🌐 Web Support - Works in vscode.dev and github.dev
Requirements
VS Code 1.107.0 or later
For desktop: Native LSP binary (bundled)
For web: sea-core WASM module (bundled)
Extension Settings
Setting
Type
Default
Description
domainforge.trace.server
off | messages | verbose
off
Traces communication with language server
domainforge.server.path
string
""
Custom path to LSP binary (leave empty for bundled)
domainforge.formatting.indentStyle
space | tab
space
Indent style for formatting
domainforge.formatting.indentWidth
number
4
Spaces per indent level (1-8)
MCP (Model Context Protocol) Settings
The MCP server enables AI agents (like VS Code Copilot, Claude, etc.) to query DomainForge language features in a controlled, secure manner.
Setting
Type
Default
Description
domainforge.mcp.enable
boolean
false
Enable MCP server for AI agent integration
domainforge.mcp.serverPath
string
""
Custom path to MCP binary (leave empty for bundled)
domainforge.mcp.rateLimits.diagnostics
number
10
Max requests/second for diagnostics tool
domainforge.mcp.rateLimits.hover
number
20
Max requests/second for hover tool
domainforge.mcp.rateLimits.definition
number
10
Max requests/second for definition tool
domainforge.mcp.rateLimits.references
number
5
Max requests/second for references tool
domainforge.mcp.rateLimits.renamePreview
number
2
Max requests/second for rename preview tool
domainforge.mcp.rateLimits.codeActions
number
5
Max requests/second for code actions tool
domainforge.mcp.auditLog.path
string
""
Path to MCP audit log file (empty = disabled)
Commands
Command
Description
DomainForge: Restart Language Server
Restart the LSP server
DomainForge: Restart MCP Server
Restart the MCP server (if enabled)
DomainForge: Show MCP Server Logs
Show MCP server output channel
Web Extension Support
This extension works in browser-based VS Code environments:
✅ vscode.dev - Full web support
✅ github.dev - Open any repo and edit .sea files
✅ GitHub Codespaces - Cloud development environments
Web Feature Availability
Feature
Desktop
Web
Syntax Highlighting
✅
✅
Diagnostics
✅ Full
✅ Parse errors
Formatting
✅
✅
Hover
✅
❌
Go to Definition
✅
❌
Code Completion
✅
❌
Code Actions
✅
❌
Note: Web version uses sea-core WASM for core functionality. Advanced features require the native LSP server.
Usage
Open a .sea file
Enjoy syntax highlighting and diagnostics
Use Format Document (Shift+Alt+F) to format
Hover over entities/resources for information
Ctrl+Click to go to definition
Example
Entity "Warehouse" in logistics
Entity "Factory" in manufacturing
Resource "Cameras" units
Flow "Cameras" from "Warehouse" to "Factory" quantity 100
Known Issues
Web version only provides parse-level diagnostics (no semantic validation)
Large files (>10,000 lines) may experience performance delays
Release Notes
0.0.1
Initial release
Syntax highlighting for SEA DSL
LSP integration for diagnostics and formatting
Web extension support via WASM
Development
# Install dependencies
pnpm install
# Build (desktop + web)
pnpm run compile
# Build web only
pnpm run compile-web
# Run tests
pnpm test
# Test in browser
pnpm run test-web
