move internal/debug.h definitions to internal.h

Debug utilities should be accessible from any internal code.

common.mk

@@ -1802,7 +1802,6 @@ compile.$(OBJEXT): $(top_srcdir)/internal/bits.h
 compile.$(OBJEXT): $(top_srcdir)/internal/compile.h
 compile.$(OBJEXT): $(top_srcdir)/internal/compilers.h
 compile.$(OBJEXT): $(top_srcdir)/internal/complex.h
-compile.$(OBJEXT): $(top_srcdir)/internal/debug.h
 compile.$(OBJEXT): $(top_srcdir)/internal/encoding.h
 compile.$(OBJEXT): $(top_srcdir)/internal/error.h
 compile.$(OBJEXT): $(top_srcdir)/internal/fixnum.h
@@ -1942,7 +1941,6 @@ debug.$(OBJEXT): $(hdrdir)/ruby.h
 debug.$(OBJEXT): $(hdrdir)/ruby/ruby.h
 debug.$(OBJEXT): $(top_srcdir)/internal/array.h
 debug.$(OBJEXT): $(top_srcdir)/internal/compilers.h
-debug.$(OBJEXT): $(top_srcdir)/internal/debug.h
 debug.$(OBJEXT): $(top_srcdir)/internal/gc.h
 debug.$(OBJEXT): $(top_srcdir)/internal/imemo.h
 debug.$(OBJEXT): $(top_srcdir)/internal/serial.h
@@ -4110,7 +4108,6 @@ vm.$(OBJEXT): $(top_srcdir)/internal/compar.h
 vm.$(OBJEXT): $(top_srcdir)/internal/compile.h
 vm.$(OBJEXT): $(top_srcdir)/internal/compilers.h
 vm.$(OBJEXT): $(top_srcdir)/internal/cont.h
-vm.$(OBJEXT): $(top_srcdir)/internal/debug.h
 vm.$(OBJEXT): $(top_srcdir)/internal/error.h
 vm.$(OBJEXT): $(top_srcdir)/internal/eval.h
 vm.$(OBJEXT): $(top_srcdir)/internal/fixnum.h

compile.c

@@ -23,7 +23,6 @@
 #include "internal/array.h"
 #include "internal/compile.h"
 #include "internal/complex.h"
-#include "internal/debug.h"
 #include "internal/encoding.h"
 #include "internal/error.h"
 #include "internal/hash.h"

debug.c

@@ -15,7 +15,6 @@
 
 #include "eval_intern.h"
 #include "id.h"
-#include "internal/debug.h"
 #include "internal/signal.h"
 #include "internal/util.h"
 #include "ruby/encoding.h"

hash.c

@@ -49,7 +49,6 @@
 
 #if HASH_DEBUG
 #include "gc.h"
-#include "internal/debug.h"
 #endif
 
 #define HAS_EXTRA_STATES(hash, klass) ( \

internal.h

@@ -74,4 +74,28 @@
 #define rb_funcallv(...) rb_nonexistent_symbol(__VA_ARGS__)
 #define rb_method_basic_definition_p(...) rb_nonexistent_symbol(__VA_ARGS__)
 
+
+/* MRI debug support */
+
+/* gc.c */
+void rb_obj_info_dump(VALUE obj);
+void rb_obj_info_dump_loc(VALUE obj, const char *file, int line, const char *func);
+
+/* debug.c */
+void ruby_debug_breakpoint(void);
+PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2);
+
+// show obj data structure without any side-effect
+#define rp(obj) rb_obj_info_dump_loc((VALUE)(obj), __FILE__, __LINE__, __func__)
+
+// same as rp, but add message header
+#define rp_m(msg, obj) do { \
+    fprintf(stderr, "%s", (msg)); \
+    rb_obj_info_dump((VALUE)obj); \
+} while (0)
+
+// `ruby_debug_breakpoint()` does nothing,
+// but breakpoint is set in run.gdb, so `make gdb` can stop here.
+#define bp() ruby_debug_breakpoint()
+
 #endif /* RUBY_INTERNAL_H */

internal/debug.h

@@ -1,39 +0,0 @@
-#ifndef INTERNAL_DEBUG_H /* -*- C -*- */
-#define INTERNAL_DEBUG_H
-/**
- * @file
- * @brief      Internal header for debugging.
- * @author     \@shyouhei
- * @copyright  This  file  is   a  part  of  the   programming  language  Ruby.
- *             Permission  is hereby  granted,  to  either redistribute  and/or
- *             modify this file, provided that  the conditions mentioned in the
- *             file COPYING are met.  Consult the file for details.
- */
-#include "ruby/config.h"
-#include <stdio.h>              /* for fprintf */
-#include "ruby/ruby.h"          /* for VALUE */
-
-/* MRI debug support */
-
-/* gc.c */
-void rb_obj_info_dump(VALUE obj);
-void rb_obj_info_dump_loc(VALUE obj, const char *file, int line, const char *func);
-
-/* debug.c */
-void ruby_debug_breakpoint(void);
-PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2);
-
-// show obj data structure without any side-effect
-#define rp(obj) rb_obj_info_dump_loc((VALUE)(obj), __FILE__, __LINE__, __func__)
-
-// same as rp, but add message header
-#define rp_m(msg, obj) do { \
-    fprintf(stderr, "%s", (msg)); \
-    rb_obj_info_dump((VALUE)obj); \
-} while (0)
-
-// `ruby_debug_breakpoint()` does nothing,
-// but breakpoint is set in run.gdb, so `make gdb` can stop here.
-#define bp() ruby_debug_breakpoint()
-
-#endif /* INTERNAL_DEBUG_H */

vm.c

@@ -15,7 +15,6 @@
 #include "internal.h"
 #include "internal/compile.h"
 #include "internal/cont.h"
-#include "internal/debug.h"
 #include "internal/error.h"
 #include "internal/eval.h"
 #include "internal/inits.h"