1 files changed, 141 insertions, 0 deletions
diff --git a/lib/compilers/julia.ts b/lib/compilers/julia.ts
new file mode 100644
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--- /dev/null
+++ b/lib/compilers/julia.ts
@@ -0,0 +1,141 @@
+// Copyright (c) 2018, 2023, Elliot Saba & 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 e from 'express';
+import fs from 'fs';
+import path from 'path';
+
+import {ParsedAsmResultLine} from '../../types/asmresult/asmresult.interfaces';
+import {CompilationResult, ExecutionOptions} from '../../types/compilation/compilation.interfaces';
+import {BaseCompiler} from '../base-compiler';
+import {logger} from '../logger';
+import * as utils from '../utils';
+
+import {BaseParser} from './argument-parsers';
+
+export class JuliaCompiler extends BaseCompiler {
+    private compilerWrapperPath: string;
+
+    static get key() {
+        return 'julia';
+    }
+
+    constructor(info, env) {
+        super(info, env);
+        this.compiler.demangler = '';
+        this.demanglerClass = null;
+        this.compilerWrapperPath =
+            this.compilerProps('compilerWrapper', '') ||
+            utils.resolvePathFromAppRoot('etc', 'scripts', 'julia_wrapper.jl');
+    }
+
+    // No demangling for now
+    override postProcessAsm(result) {
+        return result;
+    }
+
+    override getSharedLibraryPathsAsArguments() {
+        return [];
+    }
+
+    override processAsm(result, filters, options) {
+        const lineRe = /^<(\d+) (\d+) ([^ ]+) ([^>]*)>$/;
+        const bytecodeLines = result.asm.split('\n');
+        const bytecodeResult: ParsedAsmResultLine[] = [];
+        // Every method block starts with a introductory line
+        //   <[source code line] [output line number] [function name] [method types]>
+        // Check for the starting line, add the method block, skip other lines
+        let i = 0;
+        while (i < bytecodeLines.length) {
+            const line = bytecodeLines[i];
+            const match = line.match(lineRe);
+
+            if (match) {
+                const source = parseInt(match[1]);
+                let linenum = parseInt(match[2]);
+                linenum = Math.min(linenum, bytecodeLines.length);
+                const funname = match[3];
+                const types = match[4];
+                let j = 0;
+                bytecodeResult.push({text: '<' + funname + ' ' + types + '>', source: {line: source, file: null}});
+                while (j < linenum) {
+                    bytecodeResult.push({text: bytecodeLines[i + 1 + j], source: {line: source, file: null}});
+                    j++;
+                }
+                bytecodeResult.push({text: '', source: {file: null}});
+                i += linenum + 1;
+                continue;
+            }
+            i++;
+        }
+        return {asm: bytecodeResult};
+    }
+
+    override optionsForFilter(filters, outputFilename) {
+        return [];
+    }
+
+    override getArgumentParser() {
+        return BaseParser;
+    }
+
+    override fixExecuteParametersForInterpreting(executeParameters, outputFilename, key) {
+        super.fixExecuteParametersForInterpreting(executeParameters, outputFilename, key);
+        executeParameters.args.unshift('--');
+    }
+
+    override async runCompiler(
+        compiler: string,
+        options: string[],
+        inputFilename: string,
+        execOptions: ExecutionOptions,
+    ): Promise<CompilationResult> {
+        if (!execOptions) {
+            execOptions = this.getDefaultExecOptions();
+        }
+
+        const dirPath = path.dirname(inputFilename);
+
+        if (!execOptions.customCwd) {
+            execOptions.customCwd = dirPath;
+        }
+
+        // compiler wrapper, then input should be first argument, not last
+        const wrapperOptions = options.filter(opt => opt !== inputFilename);
+
+        const juliaOptions = [this.compilerWrapperPath, '--'];
+        if (options.includes('-h') || options.includes('--help')) {
+            juliaOptions.push('--help');
+        } else {
+            wrapperOptions.unshift(inputFilename, this.getOutputFilename(dirPath, this.outputFilebase));
+            juliaOptions.push(...wrapperOptions);
+        }
+
+        const execResult = await this.exec(compiler, juliaOptions, execOptions);
+        return {
+            compilationOptions: juliaOptions,
+            ...this.transformToCompilationResult(execResult, inputFilename),
+        };
+    }
+}