|  | // Copyright (c) 2017, Jared Wyles | 
|  | // 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. | 
|  |  | 
|  | const _ = require('underscore'), | 
|  | logger = require('../logger').logger, | 
|  | utils = require('../utils'); | 
|  |  | 
|  | class BaseParser { | 
|  | static hasSupport(options, forOption) { | 
|  | return _.keys(options).find(option => option.includes(forOption)); | 
|  | } | 
|  |  | 
|  | static parseLines(stdout, optionRegex) { | 
|  | let previousOption = false; | 
|  | let options = {}; | 
|  |  | 
|  | utils.eachLine(stdout, line => { | 
|  | const match = line.match(optionRegex); | 
|  | if (!match) { | 
|  | if (previousOption && (line.trim().length !== 0)) { | 
|  | if (options[previousOption].description.endsWith("-")) | 
|  | options[previousOption].description += line.trim(); | 
|  | else { | 
|  | if (options[previousOption].description.length !== 0) | 
|  | options[previousOption].description += " " + line.trim(); | 
|  | else | 
|  | options[previousOption].description = line.trim(); | 
|  | } | 
|  | } else { | 
|  | previousOption = false; | 
|  | } | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (match) previousOption = match[1]; | 
|  | if (previousOption) { | 
|  | options[previousOption] = { | 
|  | description: match[2].trim(), | 
|  | timesused: 0 | 
|  | }; | 
|  | } | 
|  | }); | 
|  |  | 
|  | return options; | 
|  | } | 
|  |  | 
|  | static getOptions(compiler, helpArg) { | 
|  | return compiler.exec(compiler.compiler.exe, [helpArg]).then(result => { | 
|  | let options = {}; | 
|  | if (result.code === 0) { | 
|  | const optionFinder = /^\s*(--?[a-z0-9=+,[\]<>|-]*)\s*(.*)/i; | 
|  |  | 
|  | options = BaseParser.parseLines(result.stdout + result.stderr, optionFinder); | 
|  | } | 
|  | compiler.possibleArguments.populateOptions(options); | 
|  | return options; | 
|  | }); | 
|  | } | 
|  |  | 
|  | static parse(compiler) { | 
|  | return compiler; | 
|  | } | 
|  | } | 
|  |  | 
|  | class GCCParser extends BaseParser { | 
|  | static parse(compiler) { | 
|  | return Promise.all([ | 
|  | GCCParser.getOptions(compiler, "--target-help"), | 
|  | GCCParser.getOptions(compiler, "--help=common"), | 
|  | GCCParser.getOptions(compiler, "--help=optimizers") | 
|  | ]).then(results => { | 
|  | const options = _.extend.apply(_.extend, results); | 
|  | const keys =  _.keys(options); | 
|  | logger.debug(`gcc-like compiler options: ${keys.join(" ")}`); | 
|  | if (BaseParser.hasSupport(options, "-masm=")) { | 
|  | compiler.compiler.intelAsm = "-masm=intel"; | 
|  | compiler.compiler.supportsIntel = true; | 
|  | } | 
|  | if (BaseParser.hasSupport(options, "-fdiagnostics-color")) { | 
|  | if (compiler.compiler.options) compiler.compiler.options += " "; | 
|  | compiler.compiler.options += "-fdiagnostics-color=always"; | 
|  | } | 
|  | // This check is not infallible, but takes care of Rust and Swift being picked up :) | 
|  | if (_.find(keys, key => key.startsWith('-fdump-'))) { | 
|  | compiler.compiler.supportsGccDump = true; | 
|  | } | 
|  | return compiler; | 
|  | }); | 
|  | } | 
|  | } | 
|  |  | 
|  | class ClangParser extends BaseParser { | 
|  | static parse(compiler) { | 
|  | return ClangParser.getOptions(compiler, "--help").then(options => { | 
|  | logger.debug(`clang-like compiler options: ${_.keys(options).join(" ")}`); | 
|  | if (BaseParser.hasSupport(options, '-fsave-optimization-record')) { | 
|  | compiler.compiler.optArg = "-fsave-optimization-record"; | 
|  | compiler.compiler.supportsOptOutput = true; | 
|  | } | 
|  | if (BaseParser.hasSupport(options, "-fcolor-diagnostics")) { | 
|  | if (compiler.compiler.options) compiler.compiler.options += " "; | 
|  | compiler.compiler.options += "-fcolor-diagnostics"; | 
|  | } | 
|  | if (BaseParser.hasSupport(options, "-emit-llvm")) { | 
|  | compiler.compiler.supportsIrView = true; | 
|  | compiler.compiler.irArg = ['-Xclang', '-emit-llvm', '-fsyntax-only']; | 
|  | } | 
|  | if (BaseParser.hasSupport(options, "-fno-crash-diagnostics")) { | 
|  | if (compiler.compiler.options) compiler.compiler.options += " "; | 
|  | compiler.compiler.options += "-fno-crash-diagnostics"; | 
|  | } | 
|  | return compiler; | 
|  | }); | 
|  | } | 
|  | } | 
|  |  | 
|  | class PascalParser extends BaseParser { | 
|  | static parse(compiler) { | 
|  | return PascalParser.getOptions(compiler, "-help").then(() => compiler); | 
|  | } | 
|  | } | 
|  |  | 
|  | class ISPCParser extends BaseParser { | 
|  | static parse(compiler) { | 
|  | return ISPCParser.getOptions(compiler, "--help").then(options => { | 
|  | if (BaseParser.hasSupport(options, "--x86-asm-syntax")) { | 
|  | compiler.compiler.intelAsm = "--x86-asm-syntax=intel"; | 
|  | compiler.compiler.supportsIntel = true; | 
|  | } | 
|  | return compiler; | 
|  | }); | 
|  | } | 
|  |  | 
|  | static getOptions(compiler, helpArg) { | 
|  | return compiler.exec(compiler.compiler.exe, [helpArg]).then(result => { | 
|  | let options = {}; | 
|  | if (result.code === 0) { | 
|  | const optionFinder = /^\s*\[(--?[a-z0-9=+,{}\s[\]<>|-]*)\]\s*(.*)/i; | 
|  |  | 
|  | options = BaseParser.parseLines(result.stdout + result.stderr, optionFinder); | 
|  | } | 
|  | compiler.possibleArguments.populateOptions(options); | 
|  | return options; | 
|  | }); | 
|  | } | 
|  | } | 
|  |  | 
|  | class JavaParser extends BaseParser { | 
|  |  | 
|  | static parse(compiler) { | 
|  | return JavaParser.getOptions(compiler, "-help").then(() => compiler); | 
|  | } | 
|  | } | 
|  |  | 
|  | class VCParser extends BaseParser { | 
|  | static parse(compiler) { | 
|  | return Promise.all([ | 
|  | VCParser.getOptions(compiler, "/help") | 
|  | ]).then(() => { | 
|  | return compiler; | 
|  | }); | 
|  | } | 
|  |  | 
|  | static parseLines(stdout, optionRegex) { | 
|  | let previousOption = false; | 
|  | let options = {}; | 
|  |  | 
|  | const matchLine = (line) => { | 
|  | if (line.startsWith("/?")) return; | 
|  |  | 
|  | const match = line.match(optionRegex); | 
|  | if (!match) { | 
|  | if (previousOption && (line.trim().length !== 0)) { | 
|  | if (options[previousOption].description.endsWith(":")) | 
|  | options[previousOption].description += " " + line.trim(); | 
|  | else { | 
|  | if (options[previousOption].description.length !== 0) | 
|  | options[previousOption].description += ", " + line.trim(); | 
|  | else | 
|  | options[previousOption].description = line.trim(); | 
|  | } | 
|  | } else { | 
|  | previousOption = false; | 
|  | } | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (match) previousOption = match[1]; | 
|  | if (previousOption) { | 
|  | options[previousOption] = { | 
|  | description: match[2].trim(), | 
|  | timesused: 0 | 
|  | }; | 
|  | } | 
|  | }; | 
|  |  | 
|  | utils.eachLine(stdout, line => { | 
|  | if (line.length === 0) return; | 
|  | if (line.includes("C/C++ COMPILER OPTIONS")) return; | 
|  | if (line.match(/^\s\s*-.*-$/)) return; | 
|  |  | 
|  | let col1; | 
|  | let col2; | 
|  | if ((line.length > 39) && (line[40] === '/')) { | 
|  | col1 = line.substr(0, 39); | 
|  | col2 = line.substr(40); | 
|  | } else { | 
|  | col1 = line; | 
|  | col2 = ""; | 
|  | } | 
|  |  | 
|  | if (col1) matchLine(col1); | 
|  | if (col2) matchLine(col2); | 
|  | }); | 
|  |  | 
|  | return options; | 
|  | } | 
|  |  | 
|  | static getOptions(compiler, helpArg) { | 
|  | return compiler.exec(compiler.compiler.exe, [helpArg]).then(result => { | 
|  | let options = {}; | 
|  | if (result.code === 0) { | 
|  | const optionFinder = /^\s*(\/[a-z0-9=:+#.,[\]{}<>|_-]*)\s*(.*)/i; | 
|  |  | 
|  | options = this.parseLines(result.stdout, optionFinder); | 
|  | } | 
|  | compiler.possibleArguments.populateOptions(options); | 
|  | return options; | 
|  | }); | 
|  | } | 
|  | } | 
|  |  | 
|  | module.exports = { | 
|  | Base: BaseParser, | 
|  | Clang: ClangParser, | 
|  | GCC: GCCParser, | 
|  | Java: JavaParser, | 
|  | VC: VCParser, | 
|  | Pascal: PascalParser, | 
|  | ISPC: ISPCParser | 
|  | }; |