initial commit

src/logic/wren/cli/main.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "os.h"
+#include "vm.h"
+#include "wren.h"
+
+int main(int argc, const char* argv[])
+{
+  if (argc == 2 && strcmp(argv[1], "--help") == 0)
+  {
+    printf("Usage: wren [file] [arguments...]\n");
+    printf("  --help  Show command line usage\n");
+    return 0;
+  }
+  
+  if (argc == 2 && strcmp(argv[1], "--version") == 0)
+  {
+    printf("wren %s\n", WREN_VERSION_STRING);
+    return 0;
+  }
+  
+  osSetArguments(argc, argv);
+
+  WrenInterpretResult result;
+  if (argc == 1)
+  {
+    result = runRepl();
+  }
+  else
+  {
+    result = runFile(argv[1]);
+  }
+
+  // Exit with an error code if the script failed.
+  if (result == WREN_RESULT_COMPILE_ERROR) return 65; // EX_DATAERR.
+  if (result == WREN_RESULT_RUNTIME_ERROR) return 70; // EX_SOFTWARE.
+  
+  return getExitCode();
+}