shithub: scc

Info  •  Files  •  Log  •  Branches

[as] Set recovery point

--- a/as/main.c

+++ b/as/main.c

@@ -1,6 +1,7 @@

 static char sccsid[] = "@(#) ./as/main.c";

 #include <ctype.h>

+#include <setjmp.h>

 #include <stdio.h>

 #include <stdlib.h>

 #include <string.h>

@@ -58,6 +59,7 @@

 	struct line line;

 	FILE *fp;

 	extern int nerrors;

+	extern jmp_buf recover;

 	if ((fp = fopen(fname, "r")) == NULL)

 		die("as: error opening '%s'", fname);

@@ -64,6 +66,9 @@

 	isections();

 	while (nextline(fp, &line)) {

+		if (setjmp(recover))

+			continue;

+

 		linesym = NULL;

 		if (line.label)

--- a/as/parser.c

+++ b/as/parser.c

@@ -1,5 +1,6 @@

 static char sccsid[] = "@(#) ./as/parser.c";

 #include <ctype.h>

+#include <setjmp.h>

 #include <stdarg.h>

 #include <stdio.h>

 #include <stdlib.h>

@@ -13,6 +14,7 @@

 char *filename;

 int nerrors;

+jmp_buf recover;

 static unsigned lineno;

@@ -30,6 +32,7 @@

 	if (nerrors == 10)

 		die("as: too many errors");

+	longjmp(recover, 1);

 }

 Node **