// Copyright (c) 2017, Compiler Explorer Authors
// All rights reserved.
//
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import path from 'path';

import type {PreliminaryCompilerInfo} from '../../types/compiler.interfaces.js';
import type {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces.js';
import {BaseCompiler} from '../base-compiler.js';

import {GHCParser} from './argument-parsers.js';

export class HaskellCompiler extends BaseCompiler {
    static get key() {
        return 'haskell';
    }

    constructor(info: PreliminaryCompilerInfo, env) {
        super(info, env);
        this.compiler.supportsHaskellCoreView = true;
        this.compiler.supportsHaskellStgView = true;
        this.compiler.supportsHaskellCmmView = true;
    }

    override optionsForBackend(backendOptions: Record<string, any>, outputFilename: string) {
        const opts = super.optionsForBackend(backendOptions, outputFilename);

        const anydump =
            backendOptions.produceHaskellCore || backendOptions.produceHaskellStg || backendOptions.produceHaskellCmm;

        if (anydump) {
            // -dsupress-all to make tidier output
            opts.push('-dsuppress-all', '-ddump-to-file', '-dumpdir', path.dirname(outputFilename));
        }

        if (backendOptions.produceHaskellCore && this.compiler.supportsHaskellCoreView) {
            opts.push('-ddump-simpl');
        }
        if (backendOptions.produceHaskellStg && this.compiler.supportsHaskellStgView) {
            opts.push('-ddump-stg-final');
        }
        if (backendOptions.produceHaskellCmm && this.compiler.supportsHaskellCmmView) {
            opts.push('-ddump-cmm');
        }
        return opts;
    }

    override optionsForFilter(filters: ParseFiltersAndOutputOptions, outputFilename: string) {
        const options = ['-g', '-o', this.filename(outputFilename)];
        if (!filters.binary) options.unshift('-S');
        return options;
    }

    override getSharedLibraryPathsAsArguments(libraries) {
        const libPathFlag = this.compiler.libpathFlag || '-L';
        return [libPathFlag + '.', ...this.getSharedLibraryPaths(libraries).map(path => libPathFlag + path)];
    }

    override getArgumentParser(): any {
        return GHCParser;
    }
}