'use strict';
const path = require('path');
const fs = require('fs');
const parser = require('@darabonba/parser');
const CppGenerator = require('@darabonba/cpp-generator');
const sourceDir = "<Darabonda package directory>";
const outputDir = "<Generate output directory>";
// generate AST data by Darabonba Parser
let packageMetaFilePath = path.join(sourceDir, 'Darafile');
let packageMeta = JSON.parse(fs.readFileSync(packageMetaFilePath, 'utf8'));
let mainFile = path.join(sourceDir, packageMeta.main);
let ast = parser.parse(fs.readFileSync(mainFile, 'utf8'), mainFile);
// initialize generator
let generatorConfig = {
    ...packageMeta,
    pkgDir: sourceDir,
    outputDir
};
let generator = new CppGenerator(generatorConfig);
// generate cpp code by generator
generator.visit(ast);
// The execution result will be output in the 'outputDir'