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// 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 getOptions(compiler, helpArg) {
return compiler.exec(compiler.compiler.exe, [helpArg]).then(result => {
const options = {};
if (result.code === 0) {
const optionFinder = /^\s*(--?[a-z0-9=,[\]<>|-]*)\s*(.*)/i;
let previousOption = false;
utils.eachLine(result.stdout + result.stderr, line => {
const match = line.match(optionFinder);
if (!match) {
if (previousOption && (line.trim().length !== 0)) {
options[previousOption].description += "\n" + line.trim();
} else {
previousOption = false;
}
return;
}
previousOption = match[1];
options[previousOption] = {
description: match[2],
timesused: 0
};
});
}
compiler.possibleArguments = 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 (options['-masm']) {
compiler.compiler.intelAsm = "-masm=intel";
compiler.compiler.supportsIntel = true;
}
if (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 (options['-fsave-optimization-record']) {
compiler.compiler.optArg = "-fsave-optimization-record";
compiler.compiler.supportsOptOutput = true;
}
if (options['-fcolor-diagnostics']) {
if (compiler.compiler.options) compiler.compiler.options += " ";
compiler.compiler.options += "-fcolor-diagnostics";
}
return compiler;
});
}
}
module.exports = {
Base: BaseParser,
Clang: ClangParser,
GCC: GCCParser
};
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