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// Copyright (c) 2016, Matt Godbolt & Rubén Rincón
// 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 BaseCompiler = require('../base-compiler'),
_ = require('underscore-node');
class GolangCompiler extends BaseCompiler {
convertNewGoL(code) {
const re = /^\s+(0[xX]?[0-9A-Za-z]+)?\s?[0-9]+\s*\(([^:]+):([0-9]+)\)\s*([A-Z]+)(.*)/;
let prevLine = null;
let file = null;
let fileCount = 0;
return _.compact(code.map(obj => {
const line = obj.text;
const match = line.match(re);
if (match) {
let res = "";
if (file !== match[2]) {
fileCount++;
res += "\t.file " + fileCount + ' "' + match[2] + '"\n';
file = match[2];
}
if (prevLine !== match[3]) {
res += "\t.loc " + fileCount + " " + match[3] + " 0\n";
prevLine = match[3];
}
return res + "\t" + match[4].toLowerCase() + match[5];
} else
return null;
})).join("\n");
}
postProcess(result) {
result.asm = this.convertNewGoL(result.stdout);
result.stdout = [];
return Promise.resolve(result);
}
optionsForFilter(filters, outputFilename) {
// If we're dealing with an older version...
if (this.compiler.id === '6g141') {
return ['tool', '6g', '-g', '-o', outputFilename, '-S'];
}
return ['tool', 'compile', '-o', outputFilename, '-S'];
}
getDefaultExecOptions() {
const execOptions = super.getDefaultExecOptions();
const goroot = this.compilerProps("compiler." + this.compiler.id + ".goroot");
if (goroot) {
execOptions.env.GOROOT = goroot;
}
return execOptions;
}
}
module.exports = GolangCompiler;
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