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index.ts
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index.ts
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import { Command } from 'commander';
import { Model } from '../language-server/generated/ast.js';
import { MiniLogoLanguageMetaData } from '../language-server/generated/module.js';
import { NodeFileSystem } from 'langium/node';
import { createMiniLogoServices } from '../language-server/minilogo-module.js';
import { extractAstNode } from './cli-util.js';
import { generateMiniLogoCmds } from '../generator/generator.js';
import * as url from 'node:url';
import * as fs from 'node:fs/promises';
import * as path from 'node:path';
const __dirname = url.fileURLToPath(new URL('.', import.meta.url));
export const generateAst = async (fileName: string): Promise<void> => {
const services = createMiniLogoServices(NodeFileSystem).MiniLogo;
const model = await extractAstNode<Model>(fileName, services);
// serialize & output the model ast
const serializedAst = services.serializer.JsonSerializer.serialize(model, { sourceText: true, textRegions: true });
console.log(serializedAst);
};
export const generateCmds = async (fileName: string): Promise<void> => {
const services = createMiniLogoServices(NodeFileSystem).MiniLogo;
const model = await extractAstNode<Model>(fileName, services);
// directly output these commands to the console
console.log(JSON.stringify(generateMiniLogoCmds(model)));
};
export default async function(): Promise<void> {
const program = new Command();
// dynamically import & get the version from package.json
const packagePath = path.resolve(__dirname, '..', '..', 'package.json');
const packageContent = await fs.readFile(packagePath, 'utf-8');
const version = JSON.parse(packageContent).version;
program.version(version);
const fileExtensions = MiniLogoLanguageMetaData.fileExtensions.join(', ');
// generate an AST
program
.command('generate')
.argument('<file>', `source file (possible file extensions: ${fileExtensions})`)
.description('Generates a MiniLogo AST in JSON format')
.action(generateAst);
// generate drawing commands
program
.command('generate-cmds')
.argument('<file>', `source file (possible file extensions: ${fileExtensions})`)
.description('Generates Minilogo drawing commands, suitable for consumption by a simple stack-based drawing machine')
.action(generateCmds);
program.parse(process.argv);
}