lib/compilers/WSL-CL.js

// Copyright (c) 2017, Andrew Pardoe
// 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.


// AP: WSL-CL.js is a WSL-specific copy of CL.js (renamed to Wine-CL.js). 
// Main differences: 
//   Don't run under Wine (obviously)
//   Translate compiler path from Unix mounted volume (/mnt/c/tmp) to Windows (c:/tmp)

const BaseCompiler = require('../base-compiler'),
    asmCl = require('../asm-cl'),
    temp = require('temp'),
    CLDemangler = require('../cl-support').CLDemangler,
    argumentParsers = require("./argument-parsers");

class WSLCLCompiler extends BaseCompiler {
    constructor(info, env) {
        info.supportsFiltersInBinary = true;
        super(info, env);
        this.asm = new asmCl.AsmParser();
    }

    filename(fn) {
        if (process.platform === "linux" || process.platform === "darwin") {
            // AP: Need to translate compiler paths from what the Node.js process sees
            // on a Unix mounted volume (/mnt/c/tmp) to what CL sees on Windows (c:/tmp)
            // We know process.env.tmpDir is of format /mnt/X/dir where X is drive letter.
            const driveLetter = process.env.winTmp.substring(5, 6);
            const directoryPath = process.env.winTmp.substring(7);
            const windowsStyle = driveLetter.concat(":/", directoryPath);
            return fn.replace(process.env.winTmp, windowsStyle);
        } else {
            return super.filename(fn);
        }
    }

    // AP: Create CE temp directory in winTmp directory instead of the tmpDir directory.
    // NPM temp package: https://www.npmjs.com/package/temp, see Affixes
    newTempDir() {
        return new Promise((resolve, reject) => {
            temp.mkdir({prefix: 'compiler-explorer-compiler', dir: process.env.winTmp}, (err, dirPath) => {
                if (err)
                    reject(`Unable to open temp file: ${err}`);
                else
                    resolve(dirPath);
            });
        });
    }

    supportsObjdump() {
        return false;
    }

    getArgumentParser() {
        return argumentParsers.Base;
    }

    postProcessAsm(result) {
        if (!result.okToCache) return result;
        const demanglerExe = this.compiler.demangler;
        if (!demanglerExe) return result;

        const demangler = new CLDemangler(demanglerExe, null, this);
        return demangler.Process(result);
    }

    optionsForFilter(filters, outputFilename) {
        return [
            '/FAsc',
            '/c',
            '/Fa' + this.filename(outputFilename),
            '/Fo' + this.filename(outputFilename + '.obj')
        ];
    }
}

module.exports = WSLCLCompiler;