From: Sebastian Harl <sh@tokkee.org>
Date: Tue, 4 Nov 2014 19:14:32 +0000 (+0100)
Subject: frontend: Let the parser run the analyzer.
X-Git-Tag: sysdb-0.6.0~31
X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=commitdiff_plain;h=0b126bada8e1baa0ee4fe82ef182bb4139cd83bf

frontend: Let the parser run the analyzer.

… but only when parsing a full statement. Otherwise, the analyzer is missing
the context for verification.
---

diff --git a/src/frontend/parser.c b/src/frontend/parser.c
index 785b7e4..f8c82d3 100644
--- a/src/frontend/parser.c
+++ b/src/frontend/parser.c
@@ -72,6 +72,7 @@ sdb_fe_parse(const char *query, int len)
 {
 	sdb_fe_yyscan_t scanner;
 	sdb_fe_yyextra_t yyextra;
+	sdb_llist_iter_t *iter;
 	int yyres;
 
 	if (scanner_init(query, len, &scanner, &yyextra))
@@ -84,6 +85,18 @@ sdb_fe_parse(const char *query, int len)
 		sdb_llist_destroy(yyextra.parsetree);
 		return NULL;
 	}
+
+	iter = sdb_llist_get_iter(yyextra.parsetree);
+	while (sdb_llist_iter_has_next(iter)) {
+		sdb_conn_node_t *node;
+		node = SDB_CONN_NODE(sdb_llist_iter_get_next(iter));
+		if (sdb_fe_analyze(node)) {
+			sdb_llist_iter_destroy(iter);
+			sdb_llist_destroy(yyextra.parsetree);
+			return NULL;
+		}
+	}
+	sdb_llist_iter_destroy(iter);
 	return yyextra.parsetree;
 } /* sdb_fe_parse */
 
diff --git a/src/frontend/query.c b/src/frontend/query.c
index 7b105e7..e5a1fc4 100644
--- a/src/frontend/query.c
+++ b/src/frontend/query.c
@@ -107,16 +107,7 @@ sdb_fe_query(sdb_conn_t *conn)
 	}
 
 	if (node) {
-		if (sdb_fe_analyze(node)) {
-			char query[conn->cmd_len + 1];
-			strncpy(query, sdb_strbuf_string(conn->buf), conn->cmd_len);
-			query[sizeof(query) - 1] = '\0';
-			sdb_log(SDB_LOG_ERR, "frontend: Failed to verify query '%s'",
-					query);
-			status = -1;
-		}
-		else
-			status = sdb_fe_exec(conn, node);
+		status = sdb_fe_exec(conn, node);
 		sdb_object_deref(SDB_OBJ(node));
 	}
 
@@ -214,6 +205,8 @@ sdb_fe_lookup(sdb_conn_t *conn)
 	node.type = type;
 	m_node.matcher = m;
 
+	/* run analyzer separately; parse_matcher is missing
+	 * the right context to do so */
 	if (sdb_fe_analyze(SDB_CONN_NODE(&node))) {
 		char expr[matcher_len + 1];
 		strncpy(expr, matcher, sizeof(expr));