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diff --git a/lib/compilers/ruby.js b/lib/compilers/ruby.js
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+// 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 path from 'path';
+
+import { BaseCompiler } from '../base-compiler';
+import { resolvePathFromAppRoot } from '../utils';
+
+import { BaseParser } from './argument-parsers';
+
+export class RubyCompiler extends BaseCompiler {
+    static get key() { return 'ruby'; }
+
+    constructor(compilerInfo, env) {
+        super(compilerInfo, env);
+        this.compiler.demangler = null;
+        this.demanglerClass = null;
+    }
+
+    processAsm(result, filters) {
+        const lineRe = /\(\s*(\d+)\)(?:\[[^\]]+\])?$/;
+        const fileRe = /ISeq:.*?@(.*?):(\d+) /;
+        const baseFile = path.basename(this.compileFilename);
+
+        const bytecodeLines = result.asm.split('\n');
+
+        const bytecodeResult = [];
+        let lastFile = null;
+        let lastLineNo = null;
+
+        for (const line of bytecodeLines) {
+            const match = line.match(lineRe);
+
+            if (match) {
+                lastLineNo = parseInt(match[1]);
+            } else if (!line) {
+                lastFile = null;
+                lastLineNo = null;
+            } else {
+                const fileMatch = line.match(fileRe);
+                if (fileMatch) {
+                    lastFile = fileMatch[1];
+                    lastLineNo = parseInt(fileMatch[2]);
+                }
+            }
+
+            const file = lastFile == baseFile ? null : lastFile;
+            const result = {text: line, source: {line: lastLineNo, file: file}};
+            bytecodeResult.push(result);
+        }
+
+        return {asm: bytecodeResult};
+    }
+
+    getDisasmScriptPath() {
+        const script = this.compilerProps('disasmScript');
+
+        return script || resolvePathFromAppRoot('etc', 'scripts', 'ruby', 'disasm.rb');
+    }
+
+    optionsForFilter(filters, outputFilename) {
+        return [
+            this.getDisasmScriptPath(),
+            '--outputfile',
+            outputFilename,
+            '--fname',
+            path.basename(this.compileFilename),
+            '--inputfile'];
+    }
+
+    getArgumentParser() {
+        return BaseParser;
+    }
+}