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// Copyright (c) 2018, Marc Tiehuis
// 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'),
path = require('path'),
Semver = require('semver');
class ZigCompiler extends BaseCompiler {
constructor(info, env) {
super(info, env);
this.compiler.supportsIntel = true;
this.compiler.supportsIrView = true;
this.compiler.irArg = ['--emit', 'llvm-ir'];
}
getSharedLibraryPathsAsArguments() {
return [];
}
preProcess(source) {
if (this.compiler.semver === '0.2.0') {
source += '\n';
source += 'extern fn zig_panic() noreturn;\n';
source += 'pub fn panic(msg: []const u8, error_return_trace: ' +
'?&@import("builtin").StackTrace) noreturn {\n';
source += ' zig_panic();\n';
source += '}\n';
} else {
source += '\n';
source += 'extern fn zig_panic() noreturn;\n';
source += 'pub fn panic(msg: []const u8, error_return_trace: ' +
'?*@import("builtin").StackTrace) noreturn {\n';
source += ' zig_panic();\n';
source += '}\n';
}
return source;
}
optionsForFilter(filters, outputFilename, userOptions) {
let options = [filters.execute ? 'build-exe' : 'build-obj'];
if (this.compiler.semver === 'trunk' || (this.compiler.semver && Semver.gt(this.compiler.semver, '0.3.0'))) {
const outputDir = path.dirname(outputFilename);
const desiredName = path.basename(outputFilename);
// strip '.s' if we aren't executing
const name = filters.execute ? desiredName : desiredName.slice(0, -2);
options.push('--cache-dir', outputDir,
'--output-dir', outputDir,
'--name', name);
} else {
// Older versions use a different command line interface (#1304)
options.push('--cache-dir', path.dirname(outputFilename),
'--output', this.filename(outputFilename),
'--output-h', '/dev/null');
}
if (!filters.binary) {
let userRequestedEmit = _.any(userOptions, opt => opt.indexOf("--emit") > -1);
if (!userRequestedEmit) {
options = options.concat('--emit', 'asm');
}
if (filters.intel) options = options.concat('-mllvm', '--x86-asm-syntax=intel');
}
return options;
}
getIrOutputFilename(inputFilename) {
return this.getOutputFilename(path.dirname(inputFilename), this.outputFilebase)
.replace('.s', '.ll');
}
filterUserOptions(userOptions) {
const blacklist = /^(((--(cache-dir|name|output|verbose))|(-mllvm)).*)$/;
return _.filter(userOptions, option => !blacklist.test(option));
}
isCfgCompiler(/*compilerVersion*/) {
return true;
}
}
module.exports = ZigCompiler;