ruby · byroot · Nov 3, 2025 · Nov 3, 2025
diff --git a/ext/json/ext/fbuffer/fbuffer.h b/ext/json/ext/fbuffer/fbuffer.h
@@ -1,55 +1,9 @@
 #ifndef _FBUFFER_H_
 #define _FBUFFER_H_
 
-#include "ruby.h"
-#include "ruby/encoding.h"
+#include "../json.h"
 #include "../vendor/jeaiii-ltoa.h"
 
-/* shims */
-/* This is the fallback definition from Ruby 3.4 */
-
-#ifndef RBIMPL_STDBOOL_H
-#if defined(__cplusplus)
-# if defined(HAVE_STDBOOL_H) && (__cplusplus >= 201103L)
-#  include <cstdbool>
-# endif
-#elif defined(HAVE_STDBOOL_H)
-# include <stdbool.h>
-#elif !defined(HAVE__BOOL)
-typedef unsigned char _Bool;
-# define bool  _Bool
-# define true  ((_Bool)+1)
-# define false ((_Bool)+0)
-# define __bool_true_false_are_defined
-#endif
-#endif
-
-#ifndef NOINLINE
-#if defined(__has_attribute) && __has_attribute(noinline)
-#define NOINLINE() __attribute__((noinline))
-#else
-#define NOINLINE()
-#endif
-#endif
-
-#ifndef RB_UNLIKELY
-#define RB_UNLIKELY(expr) expr
-#endif
-
-#ifndef RB_LIKELY
-#define RB_LIKELY(expr) expr
-#endif
-
-#ifndef MAYBE_UNUSED
-# define MAYBE_UNUSED(x) x
-#endif
-
-#ifdef RUBY_DEBUG
-#ifndef JSON_DEBUG
-#define JSON_DEBUG RUBY_DEBUG
-#endif
-#endif
-
 enum fbuffer_type {
     FBUFFER_HEAP_ALLOCATED = 0,
     FBUFFER_STACK_ALLOCATED = 1,
@@ -290,4 +244,4 @@ static VALUE fbuffer_finalize(FBuffer *fb)
     }
 }
 
-#endif
+#endif // _FBUFFER_H_
diff --git a/ext/json/ext/generator/depend b/ext/json/ext/generator/depend
@@ -1,5 +1,6 @@
 # AUTOGENERATED DEPENDENCIES START
 generator.o: $(srcdir)/../fbuffer/fbuffer.h
+generator.o: $(srcdir)/../json.h
 generator.o: $(srcdir)/../simd/simd.h
 generator.o: $(srcdir)/../vendor/fpconv.c
 generator.o: $(srcdir)/../vendor/jeaiii-ltoa.h

diff --git a/ext/json/ext/generator/generator.c b/ext/json/ext/generator/generator.c
@@ -1,4 +1,4 @@
-#include "ruby.h"
+#include "../json.h"
 #include "../fbuffer/fbuffer.h"
 #include "../vendor/fpconv.c"
 
@@ -36,10 +36,6 @@ typedef struct JSON_Generator_StateStruct {
     bool strict;
 } JSON_Generator_State;
 
-#ifndef RB_UNLIKELY
-#define RB_UNLIKELY(cond) (cond)
-#endif
-
 static VALUE mJSON, cState, cFragment, eGeneratorError, eNestingError, Encoding_UTF_8;
 
 static ID i_to_s, i_to_json, i_new, i_pack, i_unpack, i_create_id, i_extend, i_encode;
@@ -85,24 +81,18 @@ static void generate_json_fragment(FBuffer *buffer, struct generate_json_data *d
 
 static int usascii_encindex, utf8_encindex, binary_encindex;
 
-#ifdef RBIMPL_ATTR_NORETURN
-RBIMPL_ATTR_NORETURN()
-#endif
-static void raise_generator_error_str(VALUE invalid_object, VALUE str)
+NORETURN(static void) raise_generator_error_str(VALUE invalid_object, VALUE str)
 {
     rb_enc_associate_index(str, utf8_encindex);
     VALUE exc = rb_exc_new_str(eGeneratorError, str);
     rb_ivar_set(exc, rb_intern("@invalid_object"), invalid_object);
     rb_exc_raise(exc);
 }
 
-#ifdef RBIMPL_ATTR_NORETURN
-RBIMPL_ATTR_NORETURN()
-#endif
 #ifdef RBIMPL_ATTR_FORMAT
 RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
 #endif
-static void raise_generator_error(VALUE invalid_object, const char *fmt, ...)
+NORETURN(static void) raise_generator_error(VALUE invalid_object, const char *fmt, ...)
 {
     va_list args;
     va_start(args, fmt);
@@ -137,13 +127,7 @@ typedef struct _search_state {
 #endif /* HAVE_SIMD */
 } search_state;
 
-#if (defined(__GNUC__ ) || defined(__clang__))
-#define FORCE_INLINE __attribute__((always_inline))
-#else
-#define FORCE_INLINE
-#endif
-
-static inline FORCE_INLINE void search_flush(search_state *search)
+static ALWAYS_INLINE() void search_flush(search_state *search)
 {
     // Do not remove this conditional without profiling, specifically escape-heavy text.
     // escape_UTF8_char_basic will advance search->ptr and search->cursor (effectively a search_flush).
@@ -186,7 +170,7 @@ static inline unsigned char search_escape_basic(search_state *search)
     return 0;
 }
 
-static inline FORCE_INLINE void escape_UTF8_char_basic(search_state *search)
+static ALWAYS_INLINE() void escape_UTF8_char_basic(search_state *search)
 {
     const unsigned char ch = (unsigned char)*search->ptr;
     switch (ch) {
@@ -273,7 +257,7 @@ static inline void escape_UTF8_char(search_state *search, unsigned char ch_len)
 
 #ifdef HAVE_SIMD
 
-static inline FORCE_INLINE char *copy_remaining_bytes(search_state *search, unsigned long vec_len, unsigned long len)
+static ALWAYS_INLINE() char *copy_remaining_bytes(search_state *search, unsigned long vec_len, unsigned long len)
 {
     // Flush the buffer so everything up until the last 'len' characters are unflushed.
     search_flush(search);
@@ -296,7 +280,7 @@ static inline FORCE_INLINE char *copy_remaining_bytes(search_state *search, unsi
 
 #ifdef HAVE_SIMD_NEON
 
-static inline FORCE_INLINE unsigned char neon_next_match(search_state *search)
+static ALWAYS_INLINE() unsigned char neon_next_match(search_state *search)
 {
     uint64_t mask = search->matches_mask;
     uint32_t index = trailing_zeros64(mask) >> 2;
@@ -410,7 +394,7 @@ static inline unsigned char search_escape_basic_neon(search_state *search)
 
 #ifdef HAVE_SIMD_SSE2
 
-static inline FORCE_INLINE unsigned char sse2_next_match(search_state *search)
+static ALWAYS_INLINE() unsigned char sse2_next_match(search_state *search)
 {
     int mask = search->matches_mask;
     int index = trailing_zeros(mask);
@@ -434,7 +418,7 @@ static inline FORCE_INLINE unsigned char sse2_next_match(search_state *search)
 #define TARGET_SSE2
 #endif
 
-static inline TARGET_SSE2 FORCE_INLINE unsigned char search_escape_basic_sse2(search_state *search)
+static inline TARGET_SSE2 ALWAYS_INLINE() unsigned char search_escape_basic_sse2(search_state *search)
 {
     if (RB_UNLIKELY(search->has_matches)) {
         // There are more matches if search->matches_mask > 0.

diff --git a/ext/json/ext/json.h b/ext/json/ext/json.h
@@ -0,0 +1,85 @@
+#ifndef _JSON_H_
+#define _JSON_H_
+
+#include "ruby.h"
+#include "ruby/encoding.h"
+
+#if defined(RUBY_DEBUG) && RUBY_DEBUG
+# define JSON_ASSERT RUBY_ASSERT
+#else
+# ifdef JSON_DEBUG
+#  include <assert.h>
+#  define JSON_ASSERT(x) assert(x)
+# else
+#  define JSON_ASSERT(x)
+# endif
+#endif
+
+/* shims */
+
+#if SIZEOF_UINT64_T == SIZEOF_LONG_LONG
+# define INT64T2NUM(x) LL2NUM(x)
+# define UINT64T2NUM(x) ULL2NUM(x)
+#elif SIZEOF_UINT64_T == SIZEOF_LONG
+# define INT64T2NUM(x) LONG2NUM(x)
+# define UINT64T2NUM(x) ULONG2NUM(x)
+#else
+# error No uint64_t conversion
+#endif
+
+/* This is the fallback definition from Ruby 3.4 */
+#ifndef RBIMPL_STDBOOL_H
+#if defined(__cplusplus)
+# if defined(HAVE_STDBOOL_H) && (__cplusplus >= 201103L)
+#  include <cstdbool>
+# endif
+#elif defined(HAVE_STDBOOL_H)
+# include <stdbool.h>
+#elif !defined(HAVE__BOOL)
+typedef unsigned char _Bool;
+# define bool  _Bool
+# define true  ((_Bool)+1)
+# define false ((_Bool)+0)
+# define __bool_true_false_are_defined
+#endif
+#endif
+
+#ifndef NORETURN
+#define NORETURN(x) x
+#endif
+
+#ifndef NOINLINE
+#if defined(__has_attribute) && __has_attribute(noinline)
+#define NOINLINE(x) __attribute__((noinline)) x
+#else
+#define NOINLINE(x) x
+#endif
+#endif
+
+#ifndef ALWAYS_INLINE
+#if defined(__has_attribute) && __has_attribute(always_inline)
+#define ALWAYS_INLINE(x) inline __attribute__((always_inline)) x
+#else
+#define ALWAYS_INLINE(x) inline x
+#endif
+#endif
+
+#ifndef RB_UNLIKELY
+#define RB_UNLIKELY(expr) expr
+#endif
+
+#ifndef RB_LIKELY
+#define RB_LIKELY(expr) expr
+#endif
+
+#ifndef MAYBE_UNUSED
+# define MAYBE_UNUSED(x) x
+#endif
+
+#ifdef RUBY_DEBUG
+#ifndef JSON_DEBUG
+#define JSON_DEBUG RUBY_DEBUG
+#endif
+#endif
+
+#endif // _JSON_H_
diff --git a/ext/json/ext/parser/depend b/ext/json/ext/parser/depend
@@ -1,5 +1,6 @@
 # AUTOGENERATED DEPENDENCIES START
 parser.o: $(srcdir)/../fbuffer/fbuffer.h
+parser.o: $(srcdir)/../json.h
 parser.o: $(srcdir)/../simd/simd.h
 parser.o: $(srcdir)/../vendor/ryu.h
 parser.o: parser.c

diff --git a/ext/json/ext/parser/parser.c b/ext/json/ext/parser/parser.c
@@ -1,46 +1,7 @@
-#include "ruby.h"
-#include "ruby/encoding.h"
+#include "../json.h"
 #include "../vendor/ryu.h"
-
-/* shims */
-/* This is the fallback definition from Ruby 3.4 */
-
-#ifndef RBIMPL_STDBOOL_H
-#if defined(__cplusplus)
-# if defined(HAVE_STDBOOL_H) && (__cplusplus >= 201103L)
-#  include <cstdbool>
-# endif
-#elif defined(HAVE_STDBOOL_H)
-# include <stdbool.h>
-#elif !defined(HAVE__BOOL)
-typedef unsigned char _Bool;
-# define bool  _Bool
-# define true  ((_Bool)+1)
-# define false ((_Bool)+0)
-# define __bool_true_false_are_defined
-#endif
-#endif
-
-#if SIZEOF_UINT64_T == SIZEOF_LONG_LONG
-# define INT64T2NUM(x) LL2NUM(x)
-# define UINT64T2NUM(x) ULL2NUM(x)
-#elif SIZEOF_UINT64_T == SIZEOF_LONG
-# define INT64T2NUM(x) LONG2NUM(x)
-# define UINT64T2NUM(x) ULONG2NUM(x)
-#else
-# error No uint64_t conversion
-#endif
-
 #include "../simd/simd.h"
 
-#ifndef RB_UNLIKELY
-#define RB_UNLIKELY(expr) expr
-#endif
-
-#ifndef RB_LIKELY
-#define RB_LIKELY(expr) expr
-#endif
-
 static VALUE mJSON, eNestingError, Encoding_UTF_8;
 static VALUE CNaN, CInfinity, CMinusInfinity;
 
@@ -985,17 +946,11 @@ static const bool string_scan_table[256] = {
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 };
 
-#if (defined(__GNUC__ ) || defined(__clang__))
-#define FORCE_INLINE __attribute__((always_inline))
-#else
-#define FORCE_INLINE
-#endif
-
 #ifdef HAVE_SIMD
 static SIMD_Implementation simd_impl = SIMD_NONE;
 #endif /* HAVE_SIMD */
 
-static inline bool FORCE_INLINE string_scan(JSON_ParserState *state)
+static ALWAYS_INLINE() bool string_scan(JSON_ParserState *state)
 {
 #ifdef HAVE_SIMD
 #if defined(HAVE_SIMD_NEON)