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Diffstat (limited to 'src/js/extract_genome.js')
| -rw-r--r-- | src/js/extract_genome.js | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/src/js/extract_genome.js b/src/js/extract_genome.js deleted file mode 100644 index 4ef2c43..0000000 --- a/src/js/extract_genome.js +++ /dev/null @@ -1,93 +0,0 @@ -// converts the compiler genome and the memory map into the javascript vm's -// layout files. everything it writes is generated, so it goes to build/js/ and -// nothing is left in the tree. -// -// node src/js/extract_genome.js [--genome PATH] [--map PATH] [--out DIR] -// -// the genome is the one make genome produced in build/core/genome.h, and the -// map is src/core/memmap.h. outputs, in the out directory: -// genome.json the genome words, for the vm that has no compiler inside it -// layout.ts the map as typescript constants -// layout.js the map as commonjs constants -const fs = require('fs'); -const path = require('path'); -const root = path.join(__dirname, '..', '..'); - -const args = process.argv.slice(2); -const opt = (name) => { - const i = args.indexOf(name); - return i >= 0 && args[i + 1] ? args[i + 1] : null; -}; -if (args.includes('--help') || args.includes('-h')) { - console.log([ - 'usage: node src/js/extract_genome.js [--genome PATH] [--map PATH] [--out DIR]', - 'converts the compiler genome and memory map into the javascript layout files.', - 'options:', - ' --genome PATH the genome header to read; defaults to build/core/genome.h', - ' --map PATH the memory map header to read; defaults to src/core/memmap.h', - ' --out DIR where to write; defaults to build/js', - ' --help, -h show this help and exit', - ].join('\n')); - process.exit(0); -} -const unknown = args.filter((a) => !['--genome', '--map', '--out'].includes(a)); -if (unknown.length) { - console.error('extract_genome: unexpected arguments: ' + unknown.join(' ') + '; use --help for usage'); - process.exit(2); -} - -const genomePath = opt('--genome') || path.join(root, 'build', 'core', 'genome.h'); -const mapPath = opt('--map') || path.join(__dirname, '..', 'core', 'memmap.h'); -const outDir = opt('--out') || path.join(root, 'build', 'js'); - -if (!fs.existsSync(genomePath)) { - console.error('extract_genome: no genome at ' + genomePath + '; run `make genome` first'); - process.exit(1); -} -fs.mkdirSync(outDir, { recursive: true }); - -const text = fs.readFileSync(genomePath, 'utf8'); -const gorgMatch = text.match(/#define\s+GORG\s+(\d+)/); -const glenMatch = text.match(/#define\s+GLEN\s+(\d+)/); - -const gorg = parseInt(gorgMatch[1], 10); -const glen = parseInt(glenMatch[1], 10); - -const arrMatch = text.match(/genome\[\]\s*=\s*\{([\s\S]*?)\};/); -if (!arrMatch) { - console.error('extract_genome: could not find the genome array in ' + genomePath); - process.exit(1); -} - -const words = arrMatch[1] - .split(',') - .map(s => s.trim()) - .filter(s => s.length > 0); - -console.log(`Parsed genome: GORG=${gorg}, GLEN=${words.length}`); - -if (words.length !== glen) throw new Error('genome length does not match GLEN'); - -// the compiler's map, as typescript constants: the js vm reads them instead of -// its own copies. the values are computed here, from the map. -const { mapValues } = require('./mapvalues.js'); -const names = ['MW', 'PW', 'ZFP', 'GORG', 'DS0', 'DSLIM', 'RS0', 'RSLIM', 'SYSGATE', 'HEAP_LO', 'HEAP_HI']; -const map = mapValues(mapPath, names); -if (map.GORG !== gorg) throw new Error('genome GORG ' + gorg + ' is not the map GORG ' + map.GORG); - -const genomeJson = path.join(outDir, 'genome.json'); -fs.writeFileSync(genomeJson, JSON.stringify({ gorg, glen, words })); -console.log('saved genome to ' + genomeJson); - -const lines = names.map(k => ` ${k}: ${map[k]},`).join('\n'); -const layoutTs = path.join(outDir, 'layout.ts'); -fs.writeFileSync(layoutTs, - '// generated by src/js/extract_genome.js from ' + path.relative(root, mapPath) + '. do not edit.\n' + - 'export const MAP = {\n' + lines + '\n} as const;\n'); -console.log('saved the map to ' + layoutTs); - -const layoutJs = path.join(outDir, 'layout.js'); -fs.writeFileSync(layoutJs, - '// generated by src/js/extract_genome.js from ' + path.relative(root, mapPath) + '. do not edit.\n' + - 'exports.MAP = ' + JSON.stringify(map, null, 4) + ';\n'); -console.log('saved the map to ' + layoutJs);
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