lib/compilers/dart.js

// Copyright (c) 2021, Compiler Explorer Authors
// 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 Semver from 'semver';

import { DartAsmParser } from '../asm-parser-dart';
import { BaseCompiler } from '../base-compiler';
import * as utils from '../utils';

import { BaseParser } from './argument-parsers';

export class DartCompiler extends BaseCompiler {
    constructor(info, env) {
        super(info, env);
        this.asm = new DartAsmParser();
    }

    static get key() { return 'dart'; }

    prepareArguments(userOptions, filters, backendOptions, inputFilename, outputFilename, libraries) {
        let options = this.optionsForFilter(filters, outputFilename, userOptions);

        if (this.compiler.options) {
            options = options.concat(utils.splitArguments(this.compiler.options));
        }

        const libIncludes = this.getIncludeArguments(libraries);
        const libOptions = this.getLibraryOptions(libraries);

        userOptions = this.filterUserOptions(userOptions) || [];
        return options.concat(libIncludes, libOptions, userOptions, [this.filename(inputFilename)]);
    }

    optionsForFilter(filters, outputFilename) {
        // Dart includes way too much of the standard library (even for simple programs)
        // to show all of it without truncation
        filters.libraryCode = true;
        // Dart doesn't support emitting assembly
        filters.binary = true;

        const dartCompileIntroduction = '2.10.0';
        if (Semver.lt(this.compiler.semver, dartCompileIntroduction)) {
            return [
                '-k', 'aot',
                '-o', this.filename(outputFilename),
            ];
        } else {
            return [
                'compile', 'aot-snapshot',
                '-o', this.filename(outputFilename),
            ];
        }
    }

    getArgumentParser() {
        return BaseParser;
    }
}