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ruby-changes:59511

From: =E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3 <ko1@a...>
Date: Fri, 27 Dec 2019 07:23:38 +0900 (JST)
Subject: [ruby-changes:59511] 1a80d7bcda (master): internal/string.h rework

https://git.ruby-lang.org/ruby.git/commit/?id=1a80d7bcda

From 1a80d7bcdaa9a57f0feaf0a14ced8c9fb442d25d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?=
 <shyouhei@r...>
Date: Wed, 4 Dec 2019 14:01:56 +0900
Subject: internal/string.h rework

Reduced the number of macros defined in the file.  Also made it explicit
for MJIT_FUNC_EXPORTTED functions to be so.

diff --git a/internal/compilers.h b/internal/compilers.h
index 0f47093..2b1189a 100644
--- a/internal/compilers.h
+++ b/internal/compilers.h
@@ -92,6 +92,7 @@ https://github.com/ruby/ruby/blob/trunk/internal/compilers.h#L92
 # define __has_builtin____builtin_clz            GCC_VERSION_SINCE(3, 6, 0)
 # define __has_builtin____builtin_clzl           GCC_VERSION_SINCE(3, 6, 0)
 # define __has_builtin____builtin_clzll          GCC_VERSION_SINCE(3, 6, 0)
+# define __has_builtin____builtin_constant_p     GCC_VERSION_SINCE(2,95, 3)
 # define __has_builtin____builtin_ctz            GCC_VERSION_SINCE(3, 6, 0)
 # define __has_builtin____builtin_ctzl           GCC_VERSION_SINCE(3, 6, 0)
 # define __has_builtin____builtin_ctzll          GCC_VERSION_SINCE(3, 6, 0)
@@ -130,6 +131,10 @@ https://github.com/ruby/ruby/blob/trunk/internal/compilers.h#L131
 #  undef __has_builtin____builtin_clzll
 #  define __has_builtin____builtin_clzll HAVE_BUILTIN____BUILTIN_CLZLL
 # endif
+# ifdef HAVE_BUILTIN____BUILTIN_CONSTANT_P
+#  undef __has_builtin____builtin_constant_p
+#  define __has_builtin____builtin_constant_p HAVE_BUILTIN____BUILTIN_CONSTANT_P
+# endif
 # ifdef HAVE_BUILTIN____BUILTIN_CTZ
 #  undef __has_builtin____builtin_ctz
 #  define __has_builtin____builtin_ctz HAVE_BUILTIN____BUILTIN_CTZ
diff --git a/internal/string.h b/internal/string.h
index d020d06..dae4f1b 100644
--- a/internal/string.h
+++ b/internal/string.h
@@ -9,56 +9,102 @@ https://github.com/ruby/ruby/blob/trunk/internal/string.h#L9
  *             modify this file, provided that  the conditions mentioned in the
  *             file COPYING are met.  Consult the file for details.
  */
+#include "ruby/config.h"
+#include <stddef.h>             /* for size_t */
+#include "internal/compilers.h" /* for __has_builtin */
+#include "internal/stdbool.h"   /* for bool */
+#include "ruby/encoding.h"      /* for rb_encoding */
+#include "ruby/ruby.h"          /* for VALUE */
 
+#define STR_NOEMBED      FL_USER1
+#define STR_SHARED       FL_USER2 /* = ELTS_SHARED */
 
 /* string.c */
 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)
 VALUE rb_fstring_cstr(const char *str);
-#ifdef HAVE_BUILTIN___BUILTIN_CONSTANT_P
-# define rb_fstring_cstr(str) RB_GNUC_EXTENSION_BLOCK(  \
-    (__builtin_constant_p(str)) ?               \
-        rb_fstring_new((str), (long)strlen(str)) : \
-        rb_fstring_cstr(str) \
-)
-#endif
-#ifdef RUBY_ENCODING_H
 VALUE rb_fstring_enc_new(const char *ptr, long len, rb_encoding *enc);
-#define rb_fstring_enc_lit(str, enc) rb_fstring_enc_new((str), rb_strlen_lit(str), (enc))
-#define rb_fstring_enc_literal(str, enc) rb_fstring_enc_lit(str, enc)
-#endif
 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);
-VALUE rb_id_quote_unprintable(ID);
-#define QUOTE(str) rb_str_quote_unprintable(str)
-#define QUOTE_ID(id) rb_id_quote_unprintable(id)
 char *rb_str_fill_terminator(VALUE str, const int termlen);
 void rb_str_change_terminator_length(VALUE str, const int oldtermlen, const int termlen);
 VALUE rb_str_locktmp_ensure(VALUE str, VALUE (*func)(VALUE), VALUE arg);
 VALUE rb_str_chomp_string(VALUE str, VALUE chomp);
-#ifdef RUBY_ENCODING_H
 VALUE rb_external_str_with_enc(VALUE str, rb_encoding *eenc);
 VALUE rb_str_cat_conv_enc_opts(VALUE newstr, long ofs, const char *ptr, long len,
                                rb_encoding *from, int ecflags, VALUE ecopts);
 VALUE rb_enc_str_scrub(rb_encoding *enc, VALUE str, VALUE repl);
 VALUE rb_str_initialize(VALUE str, const char *ptr, long len, rb_encoding *enc);
-#endif
-#define STR_NOEMBED      FL_USER1
-#define STR_SHARED       FL_USER2 /* = ELTS_SHARED */
-#define STR_EMBED_P(str) (!FL_TEST_RAW((str), STR_NOEMBED))
-#define STR_SHARED_P(s)  FL_ALL_RAW((s), STR_NOEMBED|ELTS_SHARED)
-#define is_ascii_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_7BIT)
-#define is_broken_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_BROKEN)
 size_t rb_str_memsize(VALUE);
-VALUE rb_sym_proc_call(ID mid, int argc, const VALUE *argv, int kw_splat, VALUE passed_proc);
 char *rb_str_to_cstr(VALUE str);
-VALUE rb_str_eql(VALUE str1, VALUE str2);
-VALUE rb_obj_as_string_result(VALUE str, VALUE obj);
 const char *ruby_escaped_char(int c);
-VALUE rb_str_opt_plus(VALUE, VALUE);
+static inline bool STR_EMBED_P(VALUE str);
+static inline bool STR_SHARED_P(VALUE str);
+static inline VALUE QUOTE(VALUE v);
+static inline VALUE QUOTE_ID(ID v);
+static inline bool is_ascii_string(VALUE str);
+static inline bool is_broken_string(VALUE str);
+static inline VALUE rb_str_eql_internal(const VALUE str1, const VALUE str2);
+
+RUBY_SYMBOL_EXPORT_BEGIN
+/* string.c (export) */
+VALUE rb_str_tmp_frozen_acquire(VALUE str);
+void rb_str_tmp_frozen_release(VALUE str, VALUE tmp);
+VALUE rb_setup_fake_str(struct RString *fake_str, const char *name, long len, rb_encoding *enc);
+VALUE rb_str_upto_each(VALUE, VALUE, int, int (*each)(VALUE, VALUE), VALUE);
+VALUE rb_str_upto_endless_each(VALUE, int (*each)(VALUE, VALUE), VALUE);
+RUBY_SYMBOL_EXPORT_END
+
+MJIT_SYMBOL_EXPORT_BEGIN
+VALUE rb_fstring_new(const char *ptr, long len);
+VALUE rb_obj_as_string_result(VALUE str, VALUE obj);
+VALUE rb_str_opt_plus(VALUE x, VALUE y);
+VALUE rb_str_concat_literals(size_t num, const VALUE *strary);
+VALUE rb_str_eql(VALUE str1, VALUE str2);
+VALUE rb_id_quote_unprintable(ID);
+VALUE rb_sym_proc_call(ID mid, int argc, const VALUE *argv, int kw_splat, VALUE passed_proc);
+MJIT_SYMBOL_EXPORT_END
+
+#define rb_fstring_lit(str) rb_fstring_new((str), rb_strlen_lit(str))
+#define rb_fstring_literal(str) rb_fstring_lit(str)
+#define rb_fstring_enc_lit(str, enc) rb_fstring_enc_new((str), rb_strlen_lit(str), (enc))
+#define rb_fstring_enc_literal(str, enc) rb_fstring_enc_lit(str, enc)
+
+static inline VALUE
+QUOTE(VALUE v)
+{
+    return rb_str_quote_unprintable(v);
+}
+
+static inline VALUE
+QUOTE_ID(ID i)
+{
+    return rb_id_quote_unprintable(i);
+}
+
+static inline bool
+STR_EMBED_P(VALUE str)
+{
+    return ! FL_TEST_RAW(str, STR_NOEMBED);
+}
+
+static inline bool
+STR_SHARED_P(VALUE str)
+{
+    return FL_ALL_RAW(str, STR_NOEMBED | ELTS_SHARED);
+}
+
+static inline bool
+is_ascii_string(VALUE str)
+{
+    return rb_enc_str_coderange(str) == ENC_CODERANGE_7BIT;
+}
+
+static inline bool
+is_broken_string(VALUE str)
+{
+    return rb_enc_str_coderange(str) == ENC_CODERANGE_BROKEN;
+}
 
 /* expect tail call optimization */
 static inline VALUE
@@ -76,16 +122,10 @@ rb_str_eql_internal(const VALUE str1, const VALUE str2) https://github.com/ruby/ruby/blob/trunk/internal/string.h#L122
     return Qfalse;
 }
 
-RUBY_SYMBOL_EXPORT_BEGIN
-/* string.c (export) */
-VALUE rb_str_tmp_frozen_acquire(VALUE str);
-void rb_str_tmp_frozen_release(VALUE str, VALUE tmp);
-#ifdef RUBY_ENCODING_H
-/* internal use */
-VALUE rb_setup_fake_str(struct RString *fake_str, const char *name, long len, rb_encoding *enc);
+#if __has_builtin(__builtin_constant_p)
+# define rb_fstring_cstr(str) \
+    (__builtin_constant_p(str) ? \
+        rb_fstring_new((str), (long)strlen(str)) : \
+        (rb_fstring_cstr)(str))
 #endif
-VALUE rb_str_upto_each(VALUE, VALUE, int, int (*each)(VALUE, VALUE), VALUE);
-VALUE rb_str_upto_endless_each(VALUE, int (*each)(VALUE, VALUE), VALUE);
-RUBY_SYMBOL_EXPORT_END
-
 #endif /* INTERNAL_STRING_H */
-- 
cgit v0.10.2


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