Initial work on the server

node_modules/mysql/tool/generate-error-constants.js

@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+var path   = require('path');
+var script = path.basename(__filename);
+
+var errorFile = process.argv[2];
+if (!errorFile) {
+  console.error('Usage: ./' + script + ' path/to/errmsg-utf8.txt');
+  process.exit(1);
+}
+
+var fs     = require('fs');
+var errors = fs.readFileSync(errorFile, 'utf-8');
+
+var number = Number(errors.match(/start-error-number (\d+)/)[1]);
+var codes  = errors.match(/^([A-Z_]+)/mg)
+
+var source =
+  '// Generated by ' + script + ', do not modify by hand\n' +
+  codes
+    .map(function(code) {
+      return 'exports[' + (number++) + '] = \'' + code + '\';';
+    })
+    .join('\n');
+
+var targetFile = path.join(__dirname, '../lib/protocol/constants/errors.js');
+fs.writeFileSync(targetFile, source, 'utf-8');
+
+console.log('Wrote constants to ' + targetFile);