qbe

commit a655b8b3ebe77c236048b330ad35ef54a938217e
parent 96fab802403fb70aaeaf270f34135d928a2bbc96
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Sat, 17 Oct 2015 22:16:43 -0400

add cheap line reporting in die

Diffstat:
M
minic/minic.y
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/minic/minic.y b/minic/minic.y
@@ -72,6 +72,7 @@ int yylex(void), yyerror(char *);
 Symb expr(Node *), lval(Node *);
 
 FILE *of;
+int line;
 int lbl, tmp, nglo;
 char *ini[NGlo];
 struct {
@@ -83,7 +84,7 @@ struct {
 void
 die(char *s)
 {
-	fprintf(stderr, "error: %s\n", s);
+	fprintf(stderr, "error:%d: %s\n", line, s);
 	exit(1);
 }
 
@@ -796,6 +797,8 @@ yylex()
 		if (c == '#')
 			while ((c = getchar()) != '\n')
 				;
+		if (c == '\n')
+			line++;
 	} while (isspace(c));