Drop some languages and support both GCC and Clang for C++

src/languages/c.ts

@@ -9,8 +9,8 @@ export const lang =  {
         // To customize the compilation process,
         // write a shell script or some other stuff, 
         // and put it to your sandbox.
-        executable: "/usr/bin/gcc",
+        executable: "/usr/bin/clang-7",
-        parameters: ["gcc", sourcePath, "-o", `${outputDirectory}/a.out`, "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
+        parameters: ["clang-7", sourcePath, "-o", `${outputDirectory}/a.out`, "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
         time: 5000,
         memory: 1024 * 1024 * 1024 * 2,
         process: 10,

src/languages/cpp.ts

@@ -9,8 +9,8 @@ export const lang = {
         // To customize the compilation process,
         // write a shell script or some other stuff, 
         // and put it to your sandbox.
-        executable: "/usr/bin/g++",
+        executable: "/usr/bin/g++-8",
-        parameters: ["g++", sourcePath, "-o", `${outputDirectory}/a.out`, "-std=c++03", "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
+        parameters: ["g++-8", sourcePath, "-o", `${outputDirectory}/a.out`, "-std=c++03", "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
         time: 5000,
         memory: 1024 * 1024 * 1024 * 2,
         process: 10,

src/languages/cpp11-clang.ts

@@ -0,0 +1,47 @@
+export const lang =  {
+    name: "cpp11-clang",
+    sourceFileName: "a.cpp",
+    fileExtension: "cpp",
+    binarySizeLimit: 5000 * 1024,
+
+    // Note that these two paths are in the sandboxed environment.
+    compile: (sourcePath, outputDirectory) => ({
+        // To customize the compilation process,
+        // write a shell script or some other stuff, 
+        // and put it to your sandbox.
+        executable: "/usr/bin/clang++-7",
+        parameters: ["clang++-7", sourcePath, "-o", `${outputDirectory}/a.out`, "-std=c++11", "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
+        time: 5000,
+        memory: 1024 * 1024 * 1024 * 2,
+        process: 10,
+        // This is just a redirection. You can simply ignore this
+        // if you can specify custom location for message output
+        // in the parameter of the compiler, or have redirected the compilation 
+        // message to somewhere.
+        // An example will be available soon.
+        stderr: `${outputDirectory}/message.txt`,
+        // We will read this file for message in the output directory.
+        messageFile: 'message.txt',
+        workingDirectory: outputDirectory
+    }),
+
+    run: (binaryDirectory: string,
+        workingDirectory: string,
+        time: number,
+        memory: number,
+        stdinFile = null,
+        stdoutFile = null,
+        stderrFile = null
+    ) => ({
+        executable: `${binaryDirectory}/a.out`,
+        parameters: [],
+        time: time,
+        memory: memory,
+        stackSize: memory,
+        process: 1,
+        stdin: stdinFile,
+        stdout: stdoutFile,
+        stderr: stderrFile,
+        workingDirectory: workingDirectory
+    })
+};

src/languages/cpp11.ts

@@ -9,8 +9,8 @@ export const lang =  {
         // To customize the compilation process,
         // write a shell script or some other stuff, 
         // and put it to your sandbox.
-        executable: "/usr/bin/g++",
+        executable: "/usr/bin/g++-8",
-        parameters: ["g++", sourcePath, "-o", `${outputDirectory}/a.out`, "-std=c++11", "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
+        parameters: ["g++-8", sourcePath, "-o", `${outputDirectory}/a.out`, "-std=c++11", "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
         time: 5000,
         memory: 1024 * 1024 * 1024 * 2,
         process: 10,

src/languages/cpp17-clang.ts

@@ -0,0 +1,47 @@
+export const lang =  {
+    name: "cpp17-clang",
+    sourceFileName: "a.cpp",
+    fileExtension: "cpp",
+    binarySizeLimit: 5000 * 1024,
+
+    // Note that these two paths are in the sandboxed environment.
+    compile: (sourcePath, outputDirectory) => ({
+        // To customize the compilation process,
+        // write a shell script or some other stuff, 
+        // and put it to your sandbox.
+        executable: "/usr/bin/clang++-7",
+	parameters: ["clang++-7", sourcePath, "-o", `${outputDirectory}/a.out`, "-std=c++17", "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
+        time: 5000,
+        memory: 1024 * 1024 * 1024 * 2,
+        process: 10,
+        // This is just a redirection. You can simply ignore this
+        // if you can specify custom location for message output
+        // in the parameter of the compiler, or have redirected the compilation 
+        // message to somewhere.
+        // An example will be available soon.
+        stderr: `${outputDirectory}/message.txt`,
+        // We will read this file for message in the output directory.
+        messageFile: 'message.txt',
+        workingDirectory: outputDirectory
+    }),
+
+    run: (binaryDirectory: string,
+        workingDirectory: string,
+        time: number,
+        memory: number,
+        stdinFile = null,
+        stdoutFile = null,
+        stderrFile = null
+    ) => ({
+        executable: `${binaryDirectory}/a.out`,
+        parameters: [],
+        time: time,
+        memory: memory,
+        stackSize: memory,
+        process: 1,
+        stdin: stdinFile,
+        stdout: stdoutFile,
+        stderr: stderrFile,
+        workingDirectory: workingDirectory
+    })
+};

src/languages/cpp17.ts

@@ -9,8 +9,8 @@ export const lang =  {
         // To customize the compilation process,
         // write a shell script or some other stuff, 
         // and put it to your sandbox.
-        executable: "/usr/bin/g++",
+        executable: "/usr/bin/g++-8",
-        parameters: ["g++", sourcePath, "-o", `${outputDirectory}/a.out`, "-std=c++17", "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
+        parameters: ["g++-8", sourcePath, "-o", `${outputDirectory}/a.out`, "-std=c++17", "-O2", "-fdiagnostics-color=always", "-DONLINE_JUDGE", "-mx32"],
         time: 5000,
         memory: 1024 * 1024 * 1024 * 2,
         process: 10,

src/languages/index.ts

@@ -33,19 +33,25 @@ export const languages: Language[] = [
     require('./cpp'),
     require('./cpp11'),
     require('./cpp17'),
+    require('./cpp11-clang'),
+    require('./cpp17-clang'),
     require('./csharp'),
     require('./haskell'),
     require('./java'),
-    require('./lua'),
-    require('./luajit'),
     require('./nodejs'),
-    require('./ocaml'),
     require('./pascal'),
     require('./python2'),
     require('./python3'),
     require('./ruby'),
+    // The following languages are dropped now since almost nobody uses them in LibreOJ.
+    // They won't be maintained and use it at your own risk!
+    /*
     require('./vala'),
+    require('./lua'),
+    require('./luajit'),
+    require('./ocaml'),
     require('./vbnet')
+    */
 ].map(f => f.lang);
 
 export function getLanguage(name: string): Language {