1#!/usr/bin/env node
 2
 3/*
 4    Copyright 2018 0KIMS association.
 5
 6    This file is part of circom (Zero Knowledge Circuit Compiler).
 7
 8    circom is a free software: you can redistribute it and/or modify it
 9    under the terms of the GNU General Public License as published by
10    the Free Software Foundation, either version 3 of the License, or
11    (at your option) any later version.
12
13    circom is distributed in the hope that it will be useful, but WITHOUT
14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15    or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
16    License for more details.
17
18    You should have received a copy of the GNU General Public License
19    along with circom. If not, see <https://www.gnu.org/licenses/>.
20*/
21
22/* eslint-disable no-console */
23
24const fs = require("fs");
25const path = require("path");
26
27const compiler = require("./src/compiler");
28
29const version = require("./package").version;
30
31const argv = require("yargs")
32    .version(version)
33    .usage("circom [input source circuit file] -o [output definition circuit file]")
34    .alias("o", "output")
35    .help("h")
36    .alias("h", "help")
37    .alias("v", "verbose")
38    .epilogue(`Copyright (C) 2018  0kims association
39    This program comes with ABSOLUTELY NO WARRANTY;
40    This is free software, and you are welcome to redistribute it
41    under certain conditions; see the COPYING file in the official
42    repo directory at  https://github.com/iden3/circom `)
43    .argv;
44
45
46let inputFile;
47if (argv._.length == 0) {
48    inputFile = "circuit.circom";
49} else if (argv._.length == 1) {
50    inputFile = argv._[0];
51} else  {
52    console.log("Only one circuit at a time is permited");
53    process.exit(1);
54}
55
56const fullFileName = path.resolve(process.cwd(), inputFile);
57const outName = argv.output ?  argv.output : "circuit.json";
58
59compiler(fullFileName).then( (cir) => {
60    fs.writeFileSync(outName, JSON.stringify(cir, null, 1), "utf8");
61    process.exit(0);
62}, (err) => {
63//    console.log(err);
64    console.log(err.stack);
65    if (err.pos) {
66        console.error(`ERROR at ${err.errFile}:${err.pos.first_line},${err.pos.first_column}-${err.pos.last_line},${err.pos.last_column}   ${err.errStr}`);
67    } else {
68        console.log(err.message);
69        if (argv.verbose) console.log(err.stack);
70    }
71    if (err.ast) {
72        console.error(JSON.stringify(err.ast, null, 1));
73    }
74    process.exit(1);
75});
76
77
78
79