fixed error messages by allowing more than one "simultaneous" symbol2str

lang/cem/cemcom/ival.g

@@ -91,6 +91,7 @@ initial_value_pack(struct type **tpp; struct expr **expp;)
 initial_value_list(register struct type **tpp; struct expr **expp;)
 	{ struct expr *e1;
 	  register struct type **tpp2 = 0;
+	  int err_flag = gen_error;
 	}
 :
 			{ if (tpp) tpp2 = gen_tphead(tpp, 0); }
@@ -102,7 +103,7 @@ initial_value_list(register struct type **tpp; struct expr **expp;)
 		initial_value(tpp2, &e1)
 			{ if (!tpp) init_expression(&expp, e1); }
 	]*
-			{ if (tpp) gen_tpend(); }
+			{ if (tpp && ! err_flag) gen_tpend(); }
 	','?				/* optional trailing comma */
 ;
 

lang/cem/cemcom/make.tokcase

@@ -1,19 +1,17 @@
 cat <<'--EOT--'
 /* Generated by make.tokcase */
-/* $Header: */
+/* $Header$ */
 #include "Lpars.h"
 
 char *
 symbol2str(tok)
 	int tok;
 {
-	static char buf[2] = { '\0', '\0' };
+#define SIZBUF	8
+	/* allow for a few invocations in f.i. an argument list */
+	static char buf[SIZBUF];
+	static int index;
 
-	if (040 <= tok && tok < 0177) {
-		buf[0] = tok;
-		buf[1] = '\0';
-		return buf;
-	}
 	switch (tok) {
 --EOT--
 
@@ -24,15 +22,19 @@ s/.*{\(.*\),.*\(".*"\).*$/	case \1 :\
 '
 
 cat <<'--EOT--'
+	default:
+		if (tok < 040 || tok >= 0177) {
+			return "bad token";
+		}
+		/* fall through */
 	case '\n':
 	case '\f':
 	case '\v':
 	case '\r':
 	case '\t':
-		buf[0] = tok;
-		return buf;
-	default:
-		return "bad token";
+		index = (index+2) & (SIZBUF-1);
+		buf[index] = tok;
+		return &buf[index];
 	}
 }
 --EOT--