lib/compilers/rust.js

// Copyright (c) 2012-2017, Matt Godbolt
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright notice,
//       this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

var Compile = require('../base-compiler'),
    _ = require('underscore-node');

function compileRust(info, env) {
    var compiler = new Compile(info, env);
    compiler.compiler.supportsIntelAsm = true;
    compiler.optionsForFilter = function (filters, outputFilename, userOptions) {
        var options = ['-C', 'debuginfo=1', '-o', this.filename(outputFilename)];
        var userRequestedEmit = _.any(userOptions, function(opt) {
            return opt.indexOf("--emit") > -1;
        });
        //TODO: Binary not supported (?)
        if (!filters.binary) {
            if(!userRequestedEmit) {
                options = options.concat('--emit', 'asm');
            }
            if (filters.intel) options = options.concat('-Cllvm-args=--x86-asm-syntax=intel');
        }
        options = options.concat(['--crate-type', 'rlib']);
        return options;
    };
    return compiler.initialise();
}

module.exports = compileRust;