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#!/usr/bin/env node
/*
Copyright 2018 0KIMS association.
This file is part of circom (Zero Knowledge Circuit Compiler).
circom is a free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
circom is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with circom. If not, see <https://www.gnu.org/licenses/>.
*/
/* eslint-disable no-console */
const fs = require("fs");
const path = require("path");
const compiler = require("./src/compiler");
const version = require("./package").version;
const argv = require("yargs")
.version(version)
.usage("circom [input source circuit file] -o [output definition circuit file] -c [output c file]")
.alias("o", "output")
.alias("c", "csource")
.alias("s", "sym")
.alias("r", "r1cs")
.help("h")
.alias("h", "help")
.option("verbose", {
alias: "v",
type: "boolean",
description: "Run with verbose logging"
})
.option("fast", {
alias: "f",
type: "boolean",
description: "Do not optimize constraints"
})
.epilogue(`Copyright (C) 2018 0kims association
This program comes with ABSOLUTELY NO WARRANTY;
This is free software, and you are welcome to redistribute it
under certain conditions; see the COPYING file in the official
repo directory at https://github.com/iden3/circom `)
.argv;
let inputFile;
if (argv._.length == 0) {
inputFile = "circuit.circom";
} else if (argv._.length == 1) {
inputFile = argv._[0];
} else {
console.log("Only one circuit at a time is permited");
process.exit(1);
}
const fullFileName = path.resolve(process.cwd(), inputFile);
const fileName = path.basename(fullFileName, ".circom");
const outName = argv.output ? argv.output : fileName + ".json";
const cSourceName = typeof(argv.csource) === "string" ? argv.csource : fileName + ".cpp";
const r1csName = typeof(argv.r1cs) === "string" ? argv.r1cs : fileName + ".r1cs";
const symName = typeof(argv.sym) === "string" ? argv.sym : fileName + ".sym";
const options = {};
options.reduceConstraints = !argv.fast;
options.verbose = argv.verbose || false;
if (argv.csource) {
options.cSourceWriteStream = fs.createWriteStream(cSourceName);
}
if (argv.r1cs) {
options.r1csWriteStream = fs.createWriteStream(r1csName);
}
if (argv.sym) {
options.symWriteStream = fs.createWriteStream(symName);
}
compiler(fullFileName, options).then( () => {
let r1csDone = false;
let cSourceDone = false;
let symDone = false;
if (options.r1csWriteStream) {
options.r1csWriteStream.end(() => {
r1csDone = true;
finishIfDone();
});
} else {
r1csDone = true;
}
if (options.cSourceWriteStream) {
options.cSourceWriteStream.end(() => {
cSourceDone = true;
finishIfDone();
});
} else {
cSourceDone = true;
}
if (options.symWriteStream) {
options.symWriteStream.end(() => {
symDone = true;
finishIfDone();
});
} else {
cSourceDone = true;
}
function finishIfDone() {
if ((r1csDone)&&(cSourceDone)&&(symDone)) {
process.exit(0);
}
}
}, (err) => {
// console.log(err);
console.log(err.stack);
if (err.pos) {
console.error(`ERROR at ${err.errFile}:${err.pos.first_line},${err.pos.first_column}-${err.pos.last_line},${err.pos.last_column} ${err.errStr}`);
} else {
console.log(err.message);
if (argv.verbose) console.log(err.stack);
}
if (err.ast) {
console.error(JSON.stringify(err.ast, null, 1));
}
process.exit(1);
});