1const fs = require("fs");
 2
 3const argv = require("yargs")
 4    .usage("mergesymbols -i [input_file] -o [output_file] -s [symbols file]")
 5    .alias("i", "input")
 6    .alias("o", "output")
 7    .alias("s", "symbols")
 8    .help("h")
 9    .epilogue(`Copyright (C) 2018  0kims association
10    This program comes with ABSOLUTELY NO WARRANTY;
11    This is free software, and you are welcome to redistribute it
12    under certain conditions; see the COPYING file in the official
13    repo directory at  https://github.com/iden3/circom `)
14    .demandOption(["i","o","s"])
15    .argv;
16
17const inFileName = argv.input;
18const outFile = argv.output;
19const symbolsFile = argv.symbols;
20
21let symbols;
22
23async function loadSymbols() {
24    symbols = {};
25    const symsStr = await fs.promises.readFile(symbolsFile,"utf8");
26    const lines = symsStr.split("\n");
27    for (let i=0; i<lines.length; i++) {
28        const arr = lines[i].split(",");
29        if (arr.length!=3) continue;
30        symbols[arr[0]] = arr[2];
31    }
32}
33
34
35async function run() {
36    const outLines = [];
37    await loadSymbols();
38    const inStr = await fs.promises.readFile(inFileName,"utf8");
39    const lines = inStr.split("\n");
40    for (let i=0; i<lines.length; i++) {
41        const arr = lines[i].split(" --> ");
42        if (arr.length!=2) continue;
43        outLines.push(symbols[arr[0]] + " --> " + arr[1]);
44    }
45    await fs.promises.writeFile(outFile,outLines.join("\n"), "utf8");
46}
47
48
49run().then(() => {
50    process.exit(0);
51});