lib/parsers/asmregex.ts

// Copyright (c) 2018, Compiler Explorer Authors
// All rights reserved.
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import {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces';
import * as utils from '../utils';

const findQuotes = /(.*?)("(?:[^"\\]|\\.)*")(.*)/;

export class AsmRegex {
    protected labelDef: RegExp;

    constructor() {
        this.labelDef = /^(?:.proc\s+)?([\w$.@]+):/i;
    }

    static squashHorizontalWhitespace(line: string, atStart: boolean): string {
        const quotes = line.match(findQuotes);
        if (quotes) {
            return (
                this.squashHorizontalWhitespace(quotes[1], atStart) +
                quotes[2] +
                this.squashHorizontalWhitespace(quotes[3], false)
            );
        }
        return utils.squashHorizontalWhitespace(line, atStart);
    }

    static filterAsmLine(line: string, filters: ParseFiltersAndOutputOptions): string {
        if (!filters.trim) return line;
        return this.squashHorizontalWhitespace(line, true);
    }
}