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extension: Look for -<version> suffixed executable #26

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extension: Look for -<version> suffixed executable #26

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31 changes: 29 additions & 2 deletions vscode-extension/src/extension.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,33 @@ function getFreePort(): Promise<number> {
});
}

function spawnDebugger(logger: vscode.OutputChannel, port: number) {
let adapterCmd = 'ghc-debug-adapter';

try {
// Get GHC version
const ghcVersion = cp.execSync('ghc --numeric-version', { encoding: 'utf8' }).trim();
const candidate = `ghc-debug-adapter-${ghcVersion}`;

// Check if candidate is in PATH
try {
cp.execSync(process.platform === 'win32'
? `where ${candidate}`
: `command -v ${candidate}`);

logger.appendLine(`[Factory] Found debugger executable: ${candidate}`);

adapterCmd = candidate; // if found, use versioned adapter
} catch {
// Not found, fall back to default
}
} catch (err) {
console.warn("Could not determine GHC version, falling back to ghc-debug-adapter");
}

return cp.spawn(adapterCmd, ['--port', port.toString()]);
}

let logger : vscode.OutputChannel = vscode.window.createOutputChannel("ghc-debug-adapter");

export function activate(context: vscode.ExtensionContext) {
Expand Down Expand Up @@ -184,10 +211,10 @@ class GHCDebugAdapterServerDescriptorFactory implements vscode.DebugAdapterDescr
this.logger.appendLine(`[Factory] Launching ghc-debugger on port ${port}`);

// const debuggerProcess = cp.spawn('ghc-debug-adapter', ['--port', port.toString(), "+RTS", "-pj"], {cwd: "/var/folders/tv/35hlch6s3y15hfvndc71l6d40000gn/T/tmp.7Vsfzyoozc"});
const debuggerProcess = cp.spawn('ghc-debug-adapter', ['--port', port.toString()]);
const debuggerProcess = spawnDebugger(logger, port);

debuggerProcess.on('spawn', () => {
this.logger.appendLine('[Factory] ghc-debugger spawned...');
this.logger.appendLine('[Factory] debugger executable spawned...');
});

debuggerProcess.stdout.on('data', (data) => {
Expand Down
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