commit 0d5df857d4b85726b8c0bb272fc6fef0a727ac1c
from: Benjamin Stürz <benni@stuerz.xyz>
date: Wed Oct 02 18:37:20 2024 UTC

irc: add pub

commit - 388764d5d9b81f65b591e7ff8dd8c187b4c7fd5f
commit + 0d5df857d4b85726b8c0bb272fc6fef0a727ac1c
blob - 7feb311b05ea66737932a84ea795790d8a38e382
blob + 4f23305e9e7be27e144bad3bccb5a7ae6dba821f
--- cc/irc/TODO
+++ cc/irc/TODO
@@ -21,7 +21,6 @@
 - register refcnt
 - optimize memory footprint of irc itself
 - add global variables
-- add `pub`
 - typecheck function calls
 - add `extern` functions
 - add function pointers
blob - 21693e9db5bb1de3fd4b22b864482179dc333c5e
blob + 98493fda7f5c5faf20099c58dd58caa90463bff0
--- cc/irc/irc.c
+++ cc/irc/irc.c
@@ -340,6 +340,7 @@ struct func {
 	struct reg regs[NREGS];
 	struct ir *body;
 	int stoff;
+	int is_pub;
 };
 
 // MISC
@@ -923,14 +924,22 @@ parse (void)
 {
 	extern gen ();
 	struct func fn;
-	int tk;
+	int tk, is_pub;
 
 	while ((tk = lex ()) != TK_EOF) {
 		if (tk != TK_IDENT)
 			goto err;
+		
+		is_pub = 0;
+
+		if (strcmp (lval.s, "pub") == 0) {
+			is_pub = 1;
+			expect (TK_IDENT);
+		}
 
 		if (strcmp (lval.s, "fn") == 0) {
 			memset (&fn, 0, sizeof (fn));
+			fn.is_pub = is_pub;
 			func (&fn);
 			gen (&fn);
 			reset ();
@@ -2052,6 +2061,9 @@ struct func *fn;
 {
 	struct ir *ir;
 
+	if (fn->is_pub)
+		printf ("global %s\n", fn->name);
+
 	printf ("%s:\n", fn->name);
 	puts ("\tpush bp");
 	puts ("\tmov bp, sp");