feat(gsc): string literal sizeof

gen/arc/parser.ypp

@@ -931,6 +931,8 @@ expr_field
 expr_size
     : expr_object DOT SIZE %prec SIZEOF
         { $$ = expr_size::make(@$, std::move($1)); }
+    | expr_string DOT SIZE %prec SIZEOF
+        { $$ = expr_size::make(@$, std::move($1)); }
     ;
 
 expr_paren

gen/gsc/parser.ypp

@@ -851,6 +851,8 @@ expr_field
 expr_size
     : expr_object DOT SIZE %prec SIZEOF
         { $$ = expr_size::make(@$, std::move($1)); }
+    | expr_string DOT SIZE %prec SIZEOF
+        { $$ = expr_size::make(@$, std::move($1)); }
     ;
 
 expr_paren

include/xsk/arc/parser.hpp

@@ -5439,7 +5439,7 @@ switch (yykind)
     /// Constants.
     enum
     {
-      yylast_ = 3314,     ///< Last index in yytable_.
+      yylast_ = 3327,     ///< Last index in yytable_.
       yynnts_ = 101,  ///< Number of nonterminal symbols.
       yyfinal_ = 28 ///< Termination state number.
     };

include/xsk/gsc/parser.hpp

@@ -4981,7 +4981,7 @@ switch (yykind)
     /// Constants.
     enum
     {
-      yylast_ = 2406,     ///< Last index in yytable_.
+      yylast_ = 2420,     ///< Last index in yytable_.
       yynnts_ = 92,  ///< Number of nonterminal symbols.
       yyfinal_ = 23 ///< Termination state number.
     };