From b1523655614f91e765b674b4b7db6adf79ff403b Mon Sep 17 00:00:00 2001
From: Aryadev Chavali <aryadev@aryadevchavali.com>
Date: Thu, 26 Oct 2023 10:22:35 +0100
Subject: Lexer forces uppercase for symbols

---
 asm/lexer.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'asm/lexer.c')

diff --git a/asm/lexer.c b/asm/lexer.c
index 7c3f7da..149d717 100644
--- a/asm/lexer.c
+++ b/asm/lexer.c
@@ -43,13 +43,21 @@ bool is_symbol(char c)
   return isalpha(c) || c == '-' || c == '_' || c == '.';
 }
 
+char uppercase(char c)
+{
+  if (c >= 'a' && c <= 'z')
+    return (c - 'a') + 'A';
+  return c;
+}
+
 token_t tokenise_symbol(buffer_t *buffer)
 {
   token_t token = {.type = TOKEN_SYMBOL, .str_size = 0};
   for (; token.str_size < space_left(buffer) &&
          is_symbol(buffer->data[buffer->used + token.str_size]);
        ++token.str_size)
-    continue;
+    buffer->data[buffer->used + token.str_size] =
+        uppercase(buffer->data[buffer->used + token.str_size]);
   token.str = calloc(token.str_size + 1, 1);
   memcpy(token.str, buffer->data + buffer->used, token.str_size);
   token.str[token.str_size] = '\0';
-- 
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