lib/compilers/ocaml.ts

// Copyright (c) 2018, Eugen Bulavin
// 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"
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// 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
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import {PreliminaryCompilerInfo} from '../../types/compiler.interfaces';
import {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces';
import {BaseCompiler} from '../base-compiler';

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

export class OCamlCompiler extends BaseCompiler {
    static get key() {
        return 'ocaml';
    }

    constructor(compilerInfo: PreliminaryCompilerInfo, env) {
        super(compilerInfo, env);
        // override output base because ocaml's -S -o has different semantics.
        // namely, it outputs a full binary exe to the supposed asm dump.
        // with this override and optionsForFilter override, that pecularity..
        // ..is bypassed entirely.
        this.outputFilebase = 'example';
    }

    override getSharedLibraryPathsAsArguments() {
        return [];
    }

    override optionsForFilter(filters: ParseFiltersAndOutputOptions, outputFileName: string) {
        const options = ['-g'];
        if (filters.binary) {
            options.unshift('-o', outputFileName);
        } else {
            options.unshift('-S', '-c');
        }
        return options;
    }

    override getArgumentParser() {
        return PascalParser;
    }
}