1 files changed, 45 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..5ef854d
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "interpreter_context.h"
+#include "driver.h"
+#include "repl.h"
+
+
+static int interpret_file(const char *path) {
+  IMP_InterpreterContext *context = imp_interpreter_context_create();
+  if (imp_driver_interpret_file(context, path)) {
+    fprintf(stderr, "Error interpreting file: %s\n", path);
+    imp_interpreter_context_destroy(context);
+    return -1;
+  }
+  imp_driver_print_var_table(context);
+  imp_interpreter_context_destroy(context);
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  int opt;
+  while ((opt = getopt(argc, argv, "i:a:h")) != -1) {
+    switch (opt) {
+    case 'i': 
+      return interpret_file(optarg) ? EXIT_FAILURE : EXIT_SUCCESS;
+    case 'a':
+      return imp_driver_print_ast_file(optarg) ? EXIT_FAILURE : EXIT_SUCCESS;
+    case 'h':
+    default:
+      fprintf(stderr, 
+        "Usage: %s [ARGS]\n"
+        "  (no args)          start REPL\n"
+        "  -i <program.imp>   interpret program\n"
+        "  -a <program.imp>   print ast\n"
+        "  -h                 print this message\n",
+        argv[0]);
+      return (opt == 'h') ? EXIT_SUCCESS : EXIT_FAILURE;
+    }
+  }
+  imp_repl();
+  return EXIT_SUCCESS;
+}
+\ No newline at end of file