scc

commit 96318574d434d66a7ea8b3b5ebefb773f4b6cb3d
parent 2e7e4ca6b9def1b7bae6b93285f6431039f9656a
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Tue, 22 Mar 2022 11:15:33 +0100

cc1: Increase macro expansion debug output

This new output shows when the symbols are hided
and when they are unhided.

Diffstat:
M
src/cmd/cc/cc1/lex.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/src/cmd/cc/cc1/lex.c b/src/cmd/cc/cc1/lex.c
@@ -55,6 +55,7 @@ addinput(char *fname, Symbol *hide, char *buffer, int fail)
 		fp = NULL;
 		if (hide->hide == UCHAR_MAX)
 			die("cc1: too many macro expansions");
+		DBG("SYM: hidding symbol %s %d\n", hide->name, hide->hide);
 		++hide->hide;
 		flags = IMACRO;
 	} else  if (fname) {
@@ -115,6 +116,7 @@ delinput(void)
 		break;
 	case IMACRO:
 		assert(hide->hide == 1);
+		DBG("SYM: unhidding symbol %s %d\n", hide->name, hide->hide);
 		--hide->hide;
 		break;
 	}