Cleanup, fix bugs

Ensure everything builds on C89

1 files changed, 13 insertions, 12 deletions

diff --git a/src/main.c b/src/main.c
index ef57b81..8d2fa5a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,18 +8,19 @@
 
 int main(int argc, char **argv) {
     pit_runtime *rt = pit_runtime_new();
-    if (argc < 2) { // run repl
+    if (argc < 2) { /* run repl */
+        char buf[1024] = {0};
+        i64 len = 0;
         pit_runtime_freeze(rt);
         setbuf(stdout, NULL);
         printf("> ");
-        char buf[1024] = {0};
-        i64 len = 0;
-        while (len < (i64) sizeof(buf) && (buf[len++] = getchar()) != EOF) {
+        while (len < (i64) sizeof(buf) && (buf[len++] = (char) getchar()) != EOF) {
             if (buf[len - 1] == '\n') {
+                pit_value bs, prog, res;
                 buf[len - 1] = 0;
-                pit_value bs = pit_bytes_new_cstr(rt, buf);
-                pit_value prog = pit_read_bytes(rt, bs);
-                pit_value res = pit_eval(rt, prog);
+                bs = pit_bytes_new_cstr(rt, buf);
+                prog = pit_read_bytes(rt, bs);
+                res = pit_eval(rt, prog);
                 if (pit_runtime_print_error(rt)) {
                     rt->error = PIT_NIL;
                     printf("> ");
@@ -31,16 +32,16 @@ int main(int argc, char **argv) {
                 len = 0;
             }
         }
-    } else { // run file
+    } else { /* run file */
         pit_value bs = pit_bytes_new_file(rt, argv[1]);
         pit_lexer lex;
+        pit_parser parse;
+        bool eof = false;
+        pit_value p = PIT_NIL;
         if (!pit_lexer_from_bytes(rt, &lex, bs)) {
             pit_error(rt, "failed to initialize lexer");
         }
-        pit_parser parse;
         pit_parser_from_lexer(&parse, &lex);
-        bool eof = false;
-        pit_value p = PIT_NIL;
         while (p = pit_parse(rt, &parse, &eof), !eof) {
             pit_eval(rt, p);
             if (pit_runtime_print_error(rt)) {
@@ -48,5 +49,5 @@ int main(int argc, char **argv) {
             }
         }
     }
-
+    return 0;
 }