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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 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(() => 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 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,
VC: VCParser,
Pascal: PascalParser,
ISPC: ISPCParser
};
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