X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Ffrontend%2Fgrammar.y;h=004a5effa1537a29473066103757cd169867c37a;hb=7dbab14d8d2113e0160a9c372b40be1ca8eea2d1;hp=f262f3e11d9ace504a2fa08dc4b3ef8bb7c9befe;hpb=e7edc6432f63f36a2508b4c426876593678c8434;p=sysdb.git

diff --git a/src/frontend/grammar.y b/src/frontend/grammar.y
index f262f3e..004a5ef 100644
--- a/src/frontend/grammar.y
+++ b/src/frontend/grammar.y
@@ -37,6 +37,7 @@
 #include "utils/llist.h"
 
 #include <stdio.h>
+#include <string.h>
 
 int
 sdb_fe_yylex(YYSTYPE *yylval, YYLTYPE *yylloc, sdb_fe_yyscan_t yyscanner);
@@ -75,10 +76,11 @@ sdb_fe_yyerror(YYLTYPE *lval, sdb_fe_yyscan_t scanner, const char *msg);
 %token SCANNER_ERROR
 
 %token <str> IDENTIFIER
-%token <node> LIST
+%token <node> FETCH LIST
 
 %type <list> statements
 %type <node> statement
+	fetch_statement
 	list_statement
 	expression
 
@@ -87,6 +89,14 @@ 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 +105,14 @@ 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));
@@ -119,6 +137,8 @@ statements:
 	;
 
 statement:
+	fetch_statement
+	|
 	list_statement
 	|
 	/* empty */
@@ -127,6 +147,16 @@ statement:
 		}
 	;
 
+fetch_statement:
+	FETCH IDENTIFIER
+		{
+			$$ = SDB_CONN_NODE(sdb_object_create_dT(/* name = */ NULL,
+						conn_fetch_t, conn_fetch_destroy));
+			CONN_FETCH($$)->name = strdup($2);
+			$$->cmd = CONNECTION_FETCH;
+		}
+	;
+
 list_statement:
 	LIST
 		{