feat: declval

1 files changed, 3 insertions, 0 deletions

diff --git a/sfinae.y b/sfinae.y
index 4e366a8..14eb5f8 100644
--- a/sfinae.y
+++ b/sfinae.y
@@ -33,6 +33,7 @@ void yyerror(const char* message);
 %token TOK_SEQUENCE
 %token TOK_NAME
 %token TOK_VALUE_OF
+%token TOK_DECLVAL
 %token TOK_VOID
 %token TOK_INT32
 %token TOK_BYTE
@@ -197,6 +198,8 @@ value
         { $$ = node_binary(VALUE_QUOTIENT, $4, $6); }
     | TOK_COLONCOLON TOK_VALUE_OF '<' name '>'
         { $$ = node_named(VALUE_VARIABLE, &$4, NULL); }
+    | TOK_COLONCOLON TOK_DECLVAL '<' type '>' '(' ')'
+        { $$ = node_unary(VALUE_DECLVAL, $4); }
     | TOK_COLONCOLON TOK_EXTENT '<' type '>' TOK_COLONCOLON TOK_VALUE
         { $$ = node_unary(VALUE_EXTENT, $4); }
     | TOK_COLONCOLON TOK_TUPLE_SIZE '<' type '>' TOK_COLONCOLON TOK_VALUE