From ed910cdfa474bd7a3fd0cf3082119abc41b094e4 Mon Sep 17 00:00:00 2001
From: "B. Watson" <urchlay@slackware.uk>
Date: Sun, 16 Jun 2024 18:04:09 -0400
Subject: cxrefbas: computed warning now says ON/GOTO or ON/GOSUB, not just ON.

---
 cxrefbas.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

(limited to 'cxrefbas.c')

diff --git a/cxrefbas.c b/cxrefbas.c
index 45369d4..7cc3114 100644
--- a/cxrefbas.c
+++ b/cxrefbas.c
@@ -11,7 +11,7 @@
 unsigned short *linerefs[32769];
 int refcounts[32769];
 int lines_exist[32769];
-int last_cmd;
+unsigned char last_cmd, on_op;
 int last_cmd_pos;
 
 void add_lineref(unsigned short from, unsigned short to) {
@@ -57,9 +57,10 @@ CALLBACK(start_stmt) {
 CALLBACK(got_cmd) {
 	last_cmd = tok;
 	last_cmd_pos = pos;
+	on_op = 0;
 }
 
-void computed_msg(unsigned char tok, unsigned short lineno) {
+void computed_msg(unsigned short lineno) {
 	static int last_lineno = -1;
 	char *cmd;
 
@@ -67,7 +68,7 @@ void computed_msg(unsigned char tok, unsigned short lineno) {
 	if(lineno == last_lineno) return;
 	last_lineno = lineno;
 
-	switch(tok) {
+	switch(last_cmd) {
 		case CMD_GOTO:
 			cmd = "GOTO"; break;
 		case CMD_GO_TO:
@@ -79,7 +80,11 @@ void computed_msg(unsigned char tok, unsigned short lineno) {
 		case CMD_TRAP:
 			cmd = "TRAP"; break;
 		case CMD_ON:
-			cmd = "ON"; break;
+			if(on_op == OP_GOSUB)
+				cmd = "ON/GOSUB";
+			else
+				cmd = "ON/GOTO";
+			break;
 		default: /* should never happen! */
 			cmd = "???"; break;
 	}
@@ -94,7 +99,7 @@ CALLBACK(got_var) {
 		case CMD_GOSUB:
 		case CMD_RESTORE:
 		case CMD_TRAP:
-			computed_msg(last_cmd, lineno);
+			computed_msg(lineno);
 			break;
 		default:
 			break;
@@ -104,6 +109,11 @@ CALLBACK(got_var) {
 CALLBACK(got_exp) {
 	int standalone;
 
+	if(last_cmd == CMD_ON) {
+		if(tok == OP_GOTO || tok == OP_GOSUB)
+			on_op = tok;
+	}
+
 	if(tok != OP_NUMCONST) return;
 	standalone = is_standalone_num(pos);
 
@@ -116,7 +126,7 @@ CALLBACK(got_exp) {
 			if((pos == last_cmd_pos + 1) && standalone) {
 				add_lineref(lineno, fp2int(program + pos + 1));
 			} else {
-				computed_msg(last_cmd, lineno);
+				computed_msg(lineno);
 			}
 			break;
 		case CMD_ON: {
@@ -128,7 +138,7 @@ CALLBACK(got_exp) {
 						if(standalone)
 							add_lineref(lineno, fp2int(program + pos + 1));
 						else
-							computed_msg(last_cmd, lineno);
+							computed_msg(lineno);
 						break;
 					default:
 						break;
-- 
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