X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=blobdiff_plain;f=src%2Fparser%2Fgrammar.y;fp=src%2Fparser%2Fgrammar.y;h=339f17ae43432dbcafd9fe6c2d1b5d7aead796c6;hp=801462617755d305739e4ef28ac237dd8ce4d5cd;hb=518059384a38dbf5b4384c77dc859689ce80cc9d;hpb=1426e3fcf927d6321fd2cf8595394f817bb1a0e2

diff --git a/src/parser/grammar.y b/src/parser/grammar.y
index 8014626..339f17a 100644
--- a/src/parser/grammar.y
+++ b/src/parser/grammar.y
@@ -127,6 +127,8 @@ sdb_parser_yyerrorf(YYLTYPE *lval, sdb_parser_yyscan_t scanner, const char *fmt,
 /* NULL token */
 %token NULL_T
 
+%token TRUE FALSE
+
 %token FETCH LIST LOOKUP STORE TIMESERIES
 
 %token <str> IDENTIFIER STRING
@@ -481,6 +483,34 @@ comparison:
 			CK_OOM($$);
 		}
 	|
+	expression IS TRUE
+		{
+			$$ = sdb_ast_op_create(SDB_AST_ISTRUE, NULL, $1);
+			CK_OOM($$);
+		}
+	|
+	expression IS NOT TRUE
+		{
+			$$ = sdb_ast_op_create(SDB_AST_ISTRUE, NULL, $1);
+			CK_OOM($$);
+			$$ = sdb_ast_op_create(SDB_AST_NOT, NULL, $$);
+			CK_OOM($$);
+		}
+	|
+	expression IS FALSE
+		{
+			$$ = sdb_ast_op_create(SDB_AST_ISFALSE, NULL, $1);
+			CK_OOM($$);
+		}
+	|
+	expression IS NOT FALSE
+		{
+			$$ = sdb_ast_op_create(SDB_AST_ISFALSE, NULL, $1);
+			CK_OOM($$);
+			$$ = sdb_ast_op_create(SDB_AST_NOT, NULL, $$);
+			CK_OOM($$);
+		}
+	|
 	expression IN expression
 		{
 			$$ = sdb_ast_op_create(SDB_AST_IN, $1, $3);