From bc8b406043b23a5825320248cbad3ff73cd124fe Mon Sep 17 00:00:00 2001
From: Andrew Chambers <ac@acha.ninja>
Date: Thu, 14 Oct 2021 02:38:59 +1300
Subject: Minor refactor.

---
 main.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'main.c')

diff --git a/main.c b/main.c
index bc67bb6..395b5f6 100644
--- a/main.c
+++ b/main.c
@@ -27,8 +27,18 @@ static Section *data = NULL;
 static Section *textrel = NULL;
 static Section *datarel = NULL;
 
+char *filename = "<stdin>";
 size_t curlineno = 0;
 
+void lfatal(const char *fmt, ...) {
+  va_list ap;
+  fprintf(stderr, "%s:%ld: ", filename, curlineno);
+  va_start(ap, fmt);
+  vwarn(fmt, ap);
+  va_end(ap);
+  exit(1);
+}
+
 static Symbol *getsym(const char *name) {
   Symbol **ps, *s;
   struct hashtablekey htk;
@@ -639,6 +649,9 @@ static void assemble(void) {
     curlineno++;
     v = l->v;
     switch (v->kind) {
+    case ASM_SYNTAX_ERROR:
+      lfatal("syntax error");
+      break;
     case ASM_BLANK:
       break;
     case ASM_DIR_GLOBL:
-- 
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