Lexer forces uppercase for symbols

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';

asm/lexer.h

@@ -31,6 +31,7 @@ typedef struct
 
 typedef darr_t buffer_t;
 typedef darr_t token_stream_t;
+#define TOKEN_STREAM_AT(STREAM_DATA, INDEX) (((token_t *)(STREAM_DATA))[INDEX])
 
 const char *token_type_as_cstr(token_type_t type);
 token_stream_t tokenise_buffer(buffer_t *);