pkgs/record_use/tool/generate_syntax.dart

// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'dart:convert';
import 'dart:io';

import 'package:json_schema/json_schema.dart';
import 'package:json_syntax_generator/json_syntax_generator.dart';

void main(List<String> args) {
  final schemaFile = File.fromUri(
    Platform.script.resolve('../doc/schema/record_use.schema.json'),
  );
  final schemaJson = jsonDecode(schemaFile.readAsStringSync()) as Map;
  final schema = JsonSchema.create(schemaJson);

  final analyzedSchema = SchemaAnalyzer(
    schema,
    nameOverrides: {'@': 'at'},
  ).analyze();
  final textDumpFile = File.fromUri(
    Platform.script.resolve('../lib/src/syntax.g.txt'),
  );
  textDumpFile.parent.createSync(recursive: true);
  if (args.contains('-d')) {
    textDumpFile.writeAsStringSync(analyzedSchema.toString());
  } else if (textDumpFile.existsSync()) {
    textDumpFile.deleteSync();
  }
  final output = SyntaxGenerator(
    analyzedSchema,
    header: '''
// This file is generated, do not edit.
// File generated by pkg/record_use/tool/generate_syntax.dart.
''',
  ).generate();
  final outputUri = Platform.script.resolve('../lib/src/syntax.g.dart');
  File.fromUri(outputUri).writeAsStringSync(output);
  Process.runSync(Platform.executable, ['format', outputUri.toFilePath()]);
  print('Generated $outputUri');
}