52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
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#!/usr/bin/env node
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/**
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* Script to generate the DSL parser from Peggy grammar
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*/
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import peggy from 'peggy';
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import fs from 'fs';
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import path from 'path';
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import { fileURLToPath } from 'url';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const grammarPath = path.join(__dirname, '../src/ast/grammar/dsl.peggy');
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const outputPath = path.join(__dirname, '../src/ast/parser/GeneratedParser.js');
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console.log('Generating DSL parser from Peggy grammar...');
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console.log('Grammar:', grammarPath);
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console.log('Output:', outputPath);
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try {
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// Read the grammar file
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const grammar = fs.readFileSync(grammarPath, 'utf8');
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// Generate the parser
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const parserSource = peggy.generate(grammar, {
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format: 'es',
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output: 'source',
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grammarSource: 'dsl.peggy'
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});
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// Write the generated parser
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fs.writeFileSync(outputPath, parserSource);
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console.log('✅ Parser generated successfully!');
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console.log('Generated file:', outputPath);
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} catch (error) {
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console.error('❌ Error generating parser:');
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console.error(error.message);
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if (error.format) {
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console.error('\nFormatted error:');
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console.error(error.format([
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{ source: 'dsl.peggy', text: fs.readFileSync(grammarPath, 'utf8') }
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]));
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}
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process.exit(1);
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}
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