Remove "ruby/defines.h"

bits2.h

@@ -68,6 +68,8 @@
 # endif
 #endif
 
+#define UNREACHABLE_RETURN(_) return (_)
+
 #include "external/value.h"         /* for VALUE */
 #include "internal/static_assert.h" /* for STATIC_ASSERT */
 

external/parse.h

@@ -28,6 +28,7 @@ typedef struct rb_parser_config_struct {
     /* Memory */
     void *(*malloc)(size_t size);
     void *(*calloc)(size_t number, size_t size);
+    void *(*realloc)(void *ptr, size_t newsiz);
     void (*free)(void *ptr);
     void *(*alloc_n)(size_t nelems, size_t elemsiz);
     void *(*alloc)(size_t elemsiz);

parse.y

@@ -173,6 +173,9 @@ struct rb_imemo_tmpbuf_struct {
     size_t cnt; /* buffer size in VALUE */
 };
 
+#define xmalloc p->config->malloc
+#define xcalloc p->config->calloc
+#define xrealloc p->config->realloc
 #define ALLOC_N(type,n)  ((type *)p->config->alloc_n((n), sizeof(type)))
 #define ALLOC(type)      ((type *)p->config->alloc(sizeof(type)))
 #define xfree p->config->free

ruby_parser.c

@@ -568,6 +568,7 @@ rb_parser_config_initialize(rb_parser_config_t *config)
 
     config->malloc   = ruby_xmalloc;
     config->calloc   = ruby_xcalloc;
+    config->realloc  = ruby_xrealloc;
     config->free     = ruby_xfree;
     config->alloc_n  = ruby_xmalloc2;
     config->alloc    = ruby_xmalloc;

st2.h

@@ -14,7 +14,9 @@ extern "C" {
 #endif
 #endif
 
-#include "ruby/defines.h"
+#include <stddef.h>
+#include <stdint.h>
+#include "ruby/config.h"
 
 RUBY_SYMBOL_EXPORT_BEGIN