internal.h: rb_fstring_lit

* internal.h (rb_fstring_lit): new macro to make a fstring from a
  string literal.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51008 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,4 +1,7 @@
-Wed Jun 24 12:47:05 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Wed Jun 24 12:47:14 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* internal.h (rb_fstring_lit): new macro to make a fstring from a
+	  string literal.
 
 	* include/ruby/intern.h (rb_strlen_lit): new macro to get the
 	  length of a string literal, borrowed from mruby/mruby@e4afd53.

gc.c

@@ -9192,7 +9192,7 @@ Init_GC(void)
     {
 	VALUE opts;
 	rb_define_const(rb_mGC, "OPTS", opts = rb_ary_new());
-#define OPT(o) if (o) rb_ary_push(opts, rb_fstring_new(#o, strlen(#o)))
+#define OPT(o) if (o) rb_ary_push(opts, rb_fstring_lit(#o))
 	OPT(GC_DEBUG);
 	OPT(USE_RGENGC);
 	OPT(RGENGC_DEBUG);

internal.h

@@ -1089,6 +1089,8 @@ size_t rb_strftime(char *s, size_t maxsize, const char *format, rb_encoding *enc
 void Init_frozen_strings(void);
 VALUE rb_fstring(VALUE);
 VALUE rb_fstring_new(const char *ptr, long len);
+#define rb_fstring_lit(str) rb_fstring_new((str), rb_strlen_lit(str))
+#define rb_fstring_literal(str) rb_fstring_lit(str)
 int rb_str_buf_cat_escaped_char(VALUE result, unsigned int c, int unicode_p);
 int rb_str_symname_p(VALUE);
 VALUE rb_str_quote_unprintable(VALUE);