From: Sebastian Harl <sh@tokkee.org>
Date: Thu, 20 Mar 2014 07:36:54 +0000 (+0100)
Subject: frontend: Let the parser not accept other grammars in default mode.
X-Git-Tag: sysdb-0.1.0~171
X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=commitdiff_plain;h=df33553d47332afc7951ef6d54d0685ea26390c5

frontend: Let the parser not accept other grammars in default mode.
---

diff --git a/src/frontend/grammar.y b/src/frontend/grammar.y
index f262f3e..551d171 100644
--- a/src/frontend/grammar.y
+++ b/src/frontend/grammar.y
@@ -87,6 +87,14 @@ sdb_fe_yyerror(YYLTYPE *lval, sdb_fe_yyscan_t scanner, const char *msg);
 statements:
 	statements ';' statement
 		{
+			/* only accept this in default parse mode */
+			if (parser_mode != SDB_PARSE_DEFAULT) {
+				sdb_fe_yyerror(&yylloc, scanner,
+						YY_("syntax error, unexpected statement, "
+							"expecting expression"));
+				YYABORT;
+			}
+
 			if ($3) {
 				sdb_llist_append(pt, SDB_OBJ($3));
 				sdb_object_deref(SDB_OBJ($3));
@@ -95,6 +103,14 @@ statements:
 	|
 	statement
 		{
+			/* only accept this in default parse mode */
+			if (parser_mode != SDB_PARSE_DEFAULT) {
+				sdb_fe_yyerror(&yylloc, scanner,
+						YY_("syntax error, unexpected statement, "
+							"expecting expression"));
+				YYABORT;
+			}
+
 			if ($1) {
 				sdb_llist_append(pt, SDB_OBJ($1));
 				sdb_object_deref(SDB_OBJ($1));