frontend: Added FETCH support to the connection handler.

[sysdb.git] / src / frontend / grammar.y

diff --git a/src/frontend/grammar.y b/src/frontend/grammar.y
index f262f3e11d9ace504a2fa08dc4b3ef8bb7c9befe..004a5effa1537a29473066103757cd169867c37a 100644 (file)
--- 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
                {