Add version output to CLI

CLI/Analyze.cpp

@@ -115,6 +115,7 @@ static bool reportModuleResult(Luau::Frontend& frontend, const Luau::ModuleName&
 
 static void displayHelp(const char* argv0)
 {
+    printf("%s\n", LUAU_VERSION);
     printf("Usage: %s [--mode] [options] [file list]\n", argv0);
     printf("\n");
     printf("Available modes:\n");
@@ -304,6 +305,11 @@ int main(int argc, char** argv)
         return 0;
     }
 
+    if (argc >= 2 && (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0)) {
+        printf("%s\n", LUAU_VERSION);
+        return 0;
+    }
+
     ReportFormat format = ReportFormat::Default;
     Luau::Mode mode = Luau::Mode::Nonstrict;
     bool annotate = false;

CLI/Ast.cpp

@@ -12,6 +12,7 @@
 
 static void displayHelp(const char* argv0)
 {
+    printf("%s\n", LUAU_VERSION);
     printf("Usage: %s [file]\n", argv0);
 }
 
@@ -34,6 +35,11 @@ int main(int argc, char** argv)
         displayHelp(argv[0]);
         return 0;
     }
+    else if (argc >= 2 && (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0))
+    {
+        printf("%s\n", LUAU_VERSION);
+        return 0;
+    }
     else if (argc < 2)
     {
         displayHelp(argv[0]);

CLI/Bytecode.cpp

@@ -32,10 +32,12 @@ static Luau::CompileOptions copts()
 
 static void displayHelp(const char* argv0)
 {
+    printf("%s\n", LUAU_VERSION);
     printf("Usage: %s [options] [file list]\n", argv0);
     printf("\n");
     printf("Available options:\n");
     printf("  -h, --help: Display this usage message.\n");
+    printf("  -v, --version: Display Luau version.");
     printf("  -O<n>: compile with optimization level n (default 1, n should be between 0 and 2).\n");
     printf("  -g<n>: compile with debug level n (default 1, n should be between 0 and 2).\n");
     printf("  --fflags=<fflags>: flags to be enabled.\n");
@@ -52,6 +54,10 @@ static bool parseArgs(int argc, char** argv, std::string& summaryFile)
         {
             displayHelp(argv[0]);
         }
+        else if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--version") == 0)
+        {
+            printf("%s\n", LUAU_VERSION);
+        }
         else if (strncmp(argv[i], "-O", 2) == 0)
         {
             int level = atoi(argv[i] + 2);

CLI/Compile.cpp

@@ -402,13 +402,15 @@ static bool compileFile(const char* name, CompileFormat format, Luau::CodeGen::A
 
 static void displayHelp(const char* argv0)
 {
+    printf("%s\n", LUAU_VERSION);
     printf("Usage: %s [--mode] [options] [file list]\n", argv0);
     printf("\n");
     printf("Available modes:\n");
     printf("   binary, text, remarks, codegen\n");
     printf("\n");
     printf("Available options:\n");
     printf("  -h, --help: Display this usage message.\n");
+    printf("  -v, --version: Display version.\n");
     printf("  -O<n>: compile with optimization level n (default 1, n should be between 0 and 2).\n");
     printf("  -g<n>: compile with debug level n (default 1, n should be between 0 and 2).\n");
     printf("  --target=<target>: compile code for specific architecture (a64, x64, a64_nf, x64_ms).\n");
@@ -470,6 +472,11 @@ int main(int argc, char** argv)
             displayHelp(argv[0]);
             return 0;
         }
+        else if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--version") == 0)
+        {
+            printf("%s\n", LUAU_VERSION);
+            return 0;
+        }
         else if (strncmp(argv[i], "-O", 2) == 0)
         {
             int level = atoi(argv[i] + 2);

CLI/Reduce.cpp

@@ -470,6 +470,7 @@ struct Reducer
 
 [[noreturn]] void help(const std::vector<std::string_view>& args)
 {
+    printf("%s\n", LUAU_VERSION);
     printf("Syntax: %s script command \"search text\"\n", args[0].data());
     printf("    Within command, use {} as a stand-in for the script being reduced\n");
     exit(1);
@@ -482,6 +483,9 @@ int main(int argc, char** argv)
     if (args.size() != 4)
         help(args);
 
+    if (args[1] == "-v" || args[1] == "--version")
+        printf("%s\n", LUAU_VERSION);
+
     for (size_t i = 1; i < args.size(); ++i)
     {
         if (args[i] == "--help")

CLI/Repl.cpp

@@ -656,6 +656,7 @@ static bool runFile(const char* name, lua_State* GL, bool repl)
 
 static void displayHelp(const char* argv0)
 {
+    printf("%s\n", LUAU_VERSION);
     printf("Usage: %s [options] [file list] [-a] [arg list]\n", argv0);
     printf("\n");
     printf("When file list is omitted, an interactive REPL is started instead.\n");
@@ -664,6 +665,7 @@ static void displayHelp(const char* argv0)
     printf("  --coverage: collect code coverage while running the code and output results to coverage.out\n");
     printf("  -h, --help: Display this usage message.\n");
     printf("  -i, --interactive: Run an interactive REPL after executing the last script specified.\n");
+    printf("  -v, --version: Display version.\n");
     printf("  -O<n>: compile with optimization level n (default 1, n should be between 0 and 2).\n");
     printf("  -g<n>: compile with debug level n (default 1, n should be between 0 and 2).\n");
     printf("  --profile[=N]: profile the code using N Hz sampling (default 10000) and output results to profile.out\n");
@@ -705,6 +707,11 @@ int replMain(int argc, char** argv)
         {
             interactive = true;
         }
+        else if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--version") == 0)
+        {
+            printf("%s\n", LUAU_VERSION);
+            return 0;
+        }
         else if (strncmp(argv[i], "-O", 2) == 0)
         {
             int level = atoi(argv[i] + 2);

Common/include/Luau/Common.h

@@ -1,6 +1,8 @@
 // This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
 #pragma once
 
+#define LUAU_VERSION "Luau 0.636"
+
 // Compiler codegen control macros
 #ifdef _MSC_VER
 #define LUAU_NORETURN __declspec(noreturn)