...

include/pocketpy/export.h

@@ -1,34 +1,44 @@
 #pragma once
 
+inline const char* kPlatformStrings[] = {
+    "win32",        // 0
+    "emscripten",   // 1
+    "ios",          // 2
+    "darwin",       // 3
+    "android",      // 4
+    "linux",        // 5
+    "unknown"       // 6
+};
+
 #if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
     //define something for Windows (32-bit and 64-bit, this part is common)
     #define PK_EXPORT __declspec(dllexport)
-    #define PK_SYS_PLATFORM     "win32"
+    #define PK_SYS_PLATFORM     0
 #elif __EMSCRIPTEN__
     #include <emscripten.h>
     #define PK_EXPORT EMSCRIPTEN_KEEPALIVE
-    #define PK_SYS_PLATFORM     "emscripten"
+    #define PK_SYS_PLATFORM     1
 #elif __APPLE__
     #include <TargetConditionals.h>
     #if TARGET_IPHONE_SIMULATOR
         // iOS, tvOS, or watchOS Simulator
-        #define PK_SYS_PLATFORM     "ios"
+        #define PK_SYS_PLATFORM     2
     #elif TARGET_OS_IPHONE
         // iOS, tvOS, or watchOS device
-        #define PK_SYS_PLATFORM     "ios"
+        #define PK_SYS_PLATFORM     2
     #elif TARGET_OS_MAC
-        #define PK_SYS_PLATFORM     "darwin"
+        #define PK_SYS_PLATFORM     3
     #else
     #   error "Unknown Apple platform"
     #endif
     #define PK_EXPORT __attribute__((visibility("default")))
 #elif __ANDROID__
     #define PK_EXPORT __attribute__((visibility("default")))
-    #define PK_SYS_PLATFORM     "android"
+    #define PK_SYS_PLATFORM     4
 #elif __linux__
     #define PK_EXPORT __attribute__((visibility("default")))
-    #define PK_SYS_PLATFORM     "linux"
+    #define PK_SYS_PLATFORM     5
 #else
     #define PK_EXPORT
-    #define PK_SYS_PLATFORM     "unknown"
+    #define PK_SYS_PLATFORM     6
 #endif

src/io.cpp

@@ -136,12 +136,14 @@ void add_module_os(VM* vm){
         return vm->None;
     });
 
+#if PK_SYS_PLATFORM != 2
     // system
     vm->bind_func<1>(mod, "system", [](VM* vm, ArgsView args){
         std::string cmd = CAST(Str&, args[0]).str();
         int ret = system(cmd.c_str());
         return VAR(ret);
     });
+#endif
 
     vm->bind_func<1>(mod, "listdir", [](VM* vm, ArgsView args){
         std::filesystem::path path(CAST(Str&, args[0]).sv());

src/pocketpy.cpp

@@ -1431,7 +1431,7 @@ void add_module_time(VM* vm){
 void add_module_sys(VM* vm){
     PyObject* mod = vm->new_module("sys");
     vm->setattr(mod, "version", VAR(PK_VERSION));
-    vm->setattr(mod, "platform", VAR(PK_SYS_PLATFORM));
+    vm->setattr(mod, "platform", VAR(kPlatformStrings[PK_SYS_PLATFORM]));
 
     PyObject* stdout_ = vm->heap.gcnew<DummyInstance>(vm->tp_object);
     PyObject* stderr_ = vm->heap.gcnew<DummyInstance>(vm->tp_object);

src/repl.cpp

@@ -3,7 +3,7 @@
 namespace pkpy {
     REPL::REPL(VM* vm) : vm(vm){
         vm->stdout_write("pocketpy " PK_VERSION " (" __DATE__ ", " __TIME__ ") ");
-        vm->stdout_write(fmt("[", sizeof(void*)*8, " bit] on ", PK_SYS_PLATFORM "\n"));
+        vm->stdout_write(fmt("[", sizeof(void*)*8, " bit] on ", kPlatformStrings[PK_SYS_PLATFORM], "\n"));
         vm->stdout_write("https://github.com/blueloveTH/pocketpy" "\n");
         vm->stdout_write("Type \"exit()\" to exit." "\n");
     }