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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.
import _ from 'underscore';
import { logger } from '../logger';
import * as utils from '../utils';
export 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 async getOptions(compiler, helpArg) {
const optionFinder = /^\s*(--?[\d+,<=>[\]a-z|-]*)\s*(.*)/i;
const result = await compiler.execCompilerCached(compiler.compiler.exe, [helpArg]);
const options = result.code === 0
? BaseParser.parseLines(result.stdout + result.stderr, optionFinder) : {};
compiler.possibleArguments.populateOptions(options);
return options;
}
static parse(compiler) {
return compiler;
}
}
export class GCCParser extends BaseParser {
static async parse(compiler) {
const results = await Promise.all([
GCCParser.getOptions(compiler, '-fsyntax-only --target-help'),
GCCParser.getOptions(compiler, '-fsyntax-only --help=common'),
GCCParser.getOptions(compiler, '-fsyntax-only --help=optimizers'),
]);
const options = Object.assign({}, ...results);
const keys = _.keys(options);
logger.debug(`gcc-like compiler options: ${keys.join(' ')}`);
if (BaseParser.hasSupport(options, '-masm=')) {
// -masm= may be available but unsupported by the compiler.
const res = await compiler.execCompilerCached(compiler.compiler.exe,
['-fsyntax-only', '--target-help', '-masm=intel']);
if (res.code === 0) {
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;
}
static async getOptions(compiler, helpArg) {
const optionFinder = /^\s*(--?[\d+,<=>[\]a-z|-]*)\s*(.*)/i;
const result = await compiler.execCompilerCached(compiler.compiler.exe, helpArg.split(' '));
const options = result.code === 0
? BaseParser.parseLines(result.stdout + result.stderr, optionFinder) : {};
compiler.possibleArguments.populateOptions(options);
return options;
}
}
export class ClangParser extends BaseParser {
static async parse(compiler) {
const options = await ClangParser.getOptions(compiler, '--help');
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;
}
}
export class PascalParser extends BaseParser {
static async parse(compiler) {
await PascalParser.getOptions(compiler, '-help');
return compiler;
}
}
export class ISPCParser extends BaseParser {
static async parse(compiler) {
const options = await ISPCParser.getOptions(compiler, '--help');
if (BaseParser.hasSupport(options, '--x86-asm-syntax')) {
compiler.compiler.intelAsm = '--x86-asm-syntax=intel';
compiler.compiler.supportsIntel = true;
}
return compiler;
}
static async getOptions(compiler, helpArg) {
const result = await compiler.execCompilerCached(compiler.compiler.exe, [helpArg]);
const optionFinder = /^\s*\[(--?[\d\s()+,/<=>a-z{|}-]*)]\s*(.*)/i;
const options = result.code === 0
? BaseParser.parseLines(result.stdout + result.stderr, optionFinder) : {};
compiler.possibleArguments.populateOptions(options);
return options;
}
}
export class JavaParser extends BaseParser {
static async parse(compiler) {
await JavaParser.getOptions(compiler, '-help');
return compiler;
}
}
export class VCParser extends BaseParser {
static async parse(compiler) {
await VCParser.getOptions(compiler, '/help');
return compiler;
}
static parseLines(stdout, optionRegex) {
let previousOption = false;
let options = {};
const matchLine = (line) => {
if (line.startsWith('/?')) return;
const match = line.match(optionRegex);
if (!match) {
if (previousOption && (line.trim().length !== 0)) {
if (options[previousOption].description.endsWith(':'))
options[previousOption].description += ' ' + line.trim();
else {
if (options[previousOption].description.length !== 0)
options[previousOption].description += ', ' + line.trim();
else
options[previousOption].description = line.trim();
}
} else {
previousOption = false;
}
return;
}
if (match) previousOption = match[1];
if (previousOption) {
options[previousOption] = {
description: match[2].trim(),
timesused: 0,
};
}
};
utils.eachLine(stdout, line => {
if (line.length === 0) return;
if (line.includes('C/C++ COMPILER OPTIONS')) return;
if (line.match(/^\s+-.*-$/)) return;
let col1;
let col2;
if ((line.length > 39) && (line[40] === '/')) {
col1 = line.substr(0, 39);
col2 = line.substr(40);
} else {
col1 = line;
col2 = '';
}
if (col1) matchLine(col1);
if (col2) matchLine(col2);
});
return options;
}
static async getOptions(compiler, helpArg) {
const result = await compiler.execCompilerCached(compiler.compiler.exe, [helpArg]);
const optionFinder = /^\s*(\/[\w#+,.:<=>[\]{|}-]*)\s*(.*)/i;
const options = result.code === 0
? this.parseLines(result.stdout, optionFinder) : {};
compiler.possibleArguments.populateOptions(options);
return options;
}
}
export class RustParser extends BaseParser {
static async parse(compiler) {
const results = await Promise.all([
RustParser.getOptions(compiler, '--help'),
RustParser.getOptions(compiler, '-C help'),
RustParser.getOptions(compiler, '--help -v'),
]);
const options = Object.assign({}, ...results);
if (BaseParser.hasSupport(options, '--color')) {
if (compiler.compiler.options) compiler.compiler.options += ' ';
compiler.compiler.options += '--color=always';
}
return compiler;
}
static async getOptions(compiler, helpArg) {
const result = await compiler.execCompilerCached(compiler.compiler.exe, helpArg.split(' '));
let options = {};
if (result.code === 0) {
if (helpArg === '-C help') {
const optionFinder = /^\s*(-c\s*[\d=a-z-]*)\s--\s(.*)/i;
options = BaseParser.parseLines(result.stdout + result.stderr, optionFinder);
} else {
const optionFinder = /^\s*(--?[\d+,<=>[\]a-z|-]*)\s*(.*)/i;
options = BaseParser.parseLines(result.stdout + result.stderr, optionFinder);
}
}
compiler.possibleArguments.populateOptions(options);
return options;
}
}
export class MrustcParser extends BaseParser {
static async parse(compiler) {
await MrustcParser.getOptions(compiler, '--help');
return compiler;
}
}
export class NimParser extends BaseParser {
static async parse(compiler) {
await NimParser.getOptions(compiler, '-help');
return compiler;
}
}
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