Demonic C Language Support for VS Code
Official Visual Studio Code extension for the Demonic C (DMC) systems programming language.
Provides complete language support, syntax highlighting, integrated Language Server Protocol (LSP) intelligence, runner commands, diagnostics, and developer snippets.
✨ Features
- Language Server Intelligence (
dmc lsp):
- Real-time syntax and type diagnostics as you type.
- Hover tooltips with documentation, type signatures, and keywords.
- Go to Definition (
F12) across functions and symbols.
- Diagnostics on Save:
- Live problem matcher detecting errors, warnings, and source locations in the Problems pane.
- One-Click Run & Build:
- Play and Build buttons directly in the editor title bar.
- Interactive terminal execution for
dmc run, dmc build, dmc test, and dmc repl.
- Integrated Formatting & Linting:
- Format document on demand (
Shift+Alt+F) or automatically on save via dmc fmt.
- Fast compiler linting via
dmc lint.
- Interactive Explainer:
- Select any keyword, type, or concept and run
Demonic C: Explain Concept / Code (dmc explain).
- Project Wizard:
- Scaffolding new projects via
Demonic C: Create New Project with template selection (cli, polyglot, game, lib).
- Comprehensive Snippet Library:
fn, fnm, main, test, struct, enum, thread, channel, mutex, atomic, simd, arena, http_res, defer, try, match, c_code, extern, embed.
🚀 Installation
Run the built-in compiler command in your terminal:
dmc lsp --install-vscode
This automatically deploys the extension into your user ~/.vscode/extensions/ directory.
Option 2: Manual Copy
Copy the editor/vscode folder into your VS Code extensions folder:
- Windows:
%USERPROFILE%\.vscode\extensions\demonic-c-1.9.0
- Linux & macOS:
~/.vscode/extensions/demonic-c-1.9.0
Restart or reload VS Code (Developer: Reload Window), and open any .dmc file.
⌨️ Commands
| Command |
Title |
Action |
demonic-c.run |
Demonic C: Run Current File |
Compiles and executes active file |
demonic-c.build |
Demonic C: Build Current File |
Compiles to native binary |
demonic-c.test |
Demonic C: Run Tests |
Runs test suite (dmc test) |
demonic-c.format |
Demonic C: Format Document |
Formats file with dmc fmt |
demonic-c.lint |
Demonic C: Lint Document |
Checks file with dmc lint |
demonic-c.explain |
Demonic C: Explain Concept / Code |
Interactive language concept explainer |
demonic-c.repl |
Demonic C: Launch REPL |
Interactive read-eval-print loop |
demonic-c.newProject |
Demonic C: Create New Project |
Project generator wizard |
demonic-c.doctor |
Demonic C: Toolchain Doctor (Heal) |
Diagnose and self-heal toolchain |
demonic-c.restartServer |
Demonic C: Restart Language Server |
Restarts background LSP daemon |
demonic-c.showMenu |
Demonic C: Show Quick Menu |
Opens command action picker |
⚙️ Configuration
Open your VS Code Settings (Ctrl+, or Cmd+,) and search for demonic-c:
demonic-c.compilerPath (default: "dmc"): Absolute path or command name for the dmc executable.demonic-c.enableLsp (default: true): Enables background Language Server Protocol daemon.demonic-c.lintOnSave (default: true): Runs syntax and type checks whenever a .dmc file is saved.demonic-c.formatOnSave (default: true): Automatically formats files using dmc fmt on save.
License
MIT © ak495867
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