Use dllexport as RUBY_FUNC_EXPORTED on Windows

Author: nobu

configure.ac

@@ -1761,7 +1761,7 @@ AS_IF([test "$GCC" = yes], [
 AC_CACHE_CHECK(for exported function attribute, rb_cv_func_exported, [
 rb_cv_func_exported=no
 RUBY_WERROR_FLAG([
-for mac in '__attribute__ ((__visibility__("default")))' '__declspec(dllexport)'; do
+for mac in '__declspec(dllexport)' '__attribute__ ((__visibility__("default")))'; do
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@define RUBY_FUNC_EXPORTED $mac extern
     RUBY_FUNC_EXPORTED void conftest_attribute_check(void);]], [[]])],
     [rb_cv_func_exported="$mac"; break])

parse.y

@@ -1568,7 +1568,7 @@ static void numparam_pop(struct parser_params *p, NODE *prev_inner);
 #define CASE_LABELS_ENABLED_P(case_labels) (case_labels && case_labels != CHECK_LITERAL_WHEN)
 
 #define yytnamerr(yyres, yystr) (YYSIZE_T)rb_yytnamerr(p, yyres, yystr)
-size_t rb_yytnamerr(struct parser_params *p, char *yyres, const char *yystr);
+RUBY_FUNC_EXPORTED size_t rb_yytnamerr(struct parser_params *p, char *yyres, const char *yystr);
 
 #define TOKEN2ID(tok) ( \
     tTOKEN_LOCAL_BEGIN<(tok)&&(tok)<tTOKEN_LOCAL_END ? TOKEN2LOCALID(tok) : \
@@ -8613,7 +8613,6 @@ flush_string_content(struct parser_params *p, rb_encoding *enc)
     dispatch_scan_event(p, tSTRING_CONTENT);
 }
 
-RUBY_FUNC_EXPORTED const uint_least32_t ruby_global_name_punct_bits[(0x7e - 0x20 + 31) / 32];
 /* this can be shared with ripper, since it's independent from struct
  * parser_params. */
 #ifndef RIPPER
@@ -15935,7 +15934,7 @@ count_char(const char *str, int c)
  *
  *  "\"`class' keyword\"" => "`class' keyword"
  */
-RUBY_FUNC_EXPORTED size_t
+size_t
 rb_yytnamerr(struct parser_params *p, char *yyres, const char *yystr)
 {
     if (*yystr == '"') {

symbol.h

@@ -100,7 +100,12 @@ sym_type(VALUE sym)
 #define is_class_sym(sym) (sym_type(sym)==ID_CLASS)
 #define is_junk_sym(sym) (sym_type(sym)==ID_JUNK)
 
-RUBY_FUNC_EXPORTED const uint_least32_t ruby_global_name_punct_bits[(0x7e - 0x20 + 31) / 32];
+#ifndef RIPPER
+RUBY_FUNC_EXPORTED
+#else
+RUBY_EXTERN
+#endif
+const uint_least32_t ruby_global_name_punct_bits[(0x7e - 0x20 + 31) / 32];
 
 static inline int
 is_global_name_punct(const int c)

win32/Makefile.sub

@@ -746,6 +746,7 @@ $(CONFIG_H): $(MKFILES) $(srcdir)/win32/Makefile.sub $(win_srcdir)/Makefile.sub
 #define RBIMPL_ATTR_PACKED_STRUCT_END() __pragma(pack(pop))
 !endif
 #define RUBY_EXTERN extern __declspec(dllimport)
+#define RUBY_FUNC_EXPORTED extern __declspec(dllexport)
 #define RUBY_ALIGNAS(n) __declspec(align(n))
 #define RUBY_ALIGNOF __alignof
 #define HAVE_DECL_SYS_NERR 1