lib/parsers/asm-parser-turboc.js

// Copyright (c) 2022, Compiler Explorer Authors
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import {filter} from 'underscore';

import * as utils from '../utils';

import {AsmParser} from './asm-parser';

export class TurboCAsmParser extends AsmParser {
    constructor(compilerProps) {
        super(compilerProps);
        this.asmBinaryParser = new AsmParser(compilerProps);

        this.filestart = /^\s+\?debug\s+S\s"(.+)"/;
        this.linestart = /^;\s+\?debug\s+L\s(\d+)/;

        this.procbegin = /^(\w+)\sproc\s*near/;
        this.procend = /^(\w+)\sendp/;
    }

    processAsm(asm, filters) {
        if (filter.binary) return this.asmBinaryParser.processBinaryAsm(asm, filters);

        let currentfile = '';
        let currentline = 0;
        let currentproc = '';

        const asmLines = [];
        let isDirective = true;
        asm = asm.replace(/\u001A$/, '');

        utils.eachLine(asm, line => {
            const procmatch = line.match(this.procbegin);
            if (procmatch) {
                currentproc = procmatch[1];
                isDirective = false;
            }

            const endprocmatch = line.match(this.procend);
            if (endprocmatch) {
                currentproc = '';
                currentline = 0;
                isDirective = false;
            }

            const filematch = line.match(this.filestart);
            if (filematch) {
                currentfile = filematch[1];
                isDirective = true;
            }

            const linematch = line.match(this.linestart);
            if (linematch) {
                currentline = linematch[1];
                isDirective = true;
            }

            let source = null;
            if (currentfile && currentline) {
                if (filters.dontMaskFilenames) {
                    source = {
                        file: currentfile,
                        line: parseInt(currentline),
                    };
                } else {
                    source = {
                        file: null,
                        line: parseInt(currentline),
                    };
                }
            }

            if (currentproc) {
                if (filters.directives && isDirective) {
                    isDirective = false;
                    return;
                }

                asmLines.push({
                    text: line,
                    source,
                });
            } else if (!filters.directives || !isDirective) {
                isDirective = true;

                asmLines.push({
                    text: line,
                    source,
                });
            }
        });

        return {
            asm: asmLines,
        };
    }
}