DISABLE_STDIO/ENABLE_DEBUG macros to rename; close #3014

changes:
 * rename DISABLE_STDIO -> MRB_DISABLE_STDIO
 * rename ENABLE_DEBUG -> MRB_ENABLE_DEBUG_HOOK
 * no more opposite macro definitions (e.g. ENABLE_STDIO, DISABLE_DEBUG).
 * rewrite above macro references throughout the code.
 * update documents

4 files changed, 18 insertions, 18 deletions

diff --git a/include/mrbconf.h b/include/mrbconf.h
index a35ca86bb..a945d4774 100644
--- a/include/mrbconf.h
+++ b/include/mrbconf.h
@@ -75,23 +75,25 @@
 /* fixed size state atexit stack */
 //#define MRB_FIXED_STATE_ATEXIT_STACK
 
-/* -DDISABLE_XXXX to drop following features */
-//#define DISABLE_STDIO		/* use of stdio */
+/* -DMRB_DISABLE_XXXX to drop following features */
+//#define MRB_DISABLE_STDIO	/* use of stdio */
 
-/* -DENABLE_XXXX to enable following features */
-//#define ENABLE_DEBUG		/* hooks for debugger */
+/* -DMRB_ENABLE_XXXX to enable following features */
+//#define MRB_ENABLE_DEBUG_HOOK	/* hooks for debugger */
 
 /* end of configuration */
 
-/* define ENABLE_XXXX from DISABLE_XXX */
-#ifndef DISABLE_STDIO
-#define ENABLE_STDIO
+/* define MRB_DISABLE_XXXX from DISABLE_XXX (for compatibility) */
+#ifdef DISABLE_STDIO
+#define MRB_DIABLE_STDIO
 #endif
-#ifndef ENABLE_DEBUG
-#define DISABLE_DEBUG
+
+/* define MRB_ENABLE_XXXX from ENABLE_XXX (for compatibility) */
+#ifdef ENABLE_DEBUG
+#define MRB_ENABLE_DEBUG_HOOK
 #endif
 
-#ifdef ENABLE_STDIO
+#ifndef MRB_DISABLE_STDIO
 # include <stdio.h>
 #endif
 
diff --git a/include/mruby.h b/include/mruby.h
index 06b3beb8c..49de55f69 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -152,7 +152,7 @@ typedef struct mrb_state {
   struct symbol_name *symtbl;   /* symbol table */
   size_t symcapa;
 
-#ifdef ENABLE_DEBUG
+#ifdef MRB_ENABLE_DEBUG_HOOK
   void (*code_fetch_hook)(struct mrb_state* mrb, struct mrb_irep *irep, mrb_code *pc, mrb_value *regs);
   void (*debug_op_hook)(struct mrb_state* mrb, struct mrb_irep *irep, mrb_code *pc, mrb_value *regs);
 #endif
diff --git a/include/mruby/compile.h b/include/mruby/compile.h
index 637b469a8..91ea9463f 100644
--- a/include/mruby/compile.h
+++ b/include/mruby/compile.h
@@ -112,7 +112,7 @@ struct mrb_parser_state {
   struct mrb_pool *pool;
   mrb_ast_node *cells;
   const char *s, *send;
-#ifdef ENABLE_STDIO
+#ifndef MRB_DIABLE_STDIO
   FILE *f;
 #endif
   mrbc_context *cxt;
@@ -167,7 +167,7 @@ MRB_API void mrb_parser_set_filename(struct mrb_parser_state*, char const*);
 MRB_API char const* mrb_parser_get_filename(struct mrb_parser_state*, uint16_t idx);
 
 /* utility functions */
-#ifdef ENABLE_STDIO
+#ifndef MRB_DISABLE_STDIO
 MRB_API struct mrb_parser_state* mrb_parse_file(mrb_state*,FILE*,mrbc_context*);
 #endif
 MRB_API struct mrb_parser_state* mrb_parse_string(mrb_state*,const char*,mrbc_context*);
@@ -175,14 +175,12 @@ MRB_API struct mrb_parser_state* mrb_parse_nstring(mrb_state*,const char*,int,mr
 MRB_API struct RProc* mrb_generate_code(mrb_state*, struct mrb_parser_state*);
 
 /* program load functions */
-#ifdef ENABLE_STDIO
+#ifndef MRB_DISABLE_STDIO
 MRB_API mrb_value mrb_load_file(mrb_state*,FILE*);
+MRB_API mrb_value mrb_load_file_cxt(mrb_state*,FILE*, mrbc_context *cxt);
 #endif
 MRB_API mrb_value mrb_load_string(mrb_state *mrb, const char *s);
 MRB_API mrb_value mrb_load_nstring(mrb_state *mrb, const char *s, int len);
-#ifdef ENABLE_STDIO
-MRB_API mrb_value mrb_load_file_cxt(mrb_state*,FILE*, mrbc_context *cxt);
-#endif
 MRB_API mrb_value mrb_load_string_cxt(mrb_state *mrb, const char *s, mrbc_context *cxt);
 MRB_API mrb_value mrb_load_nstring_cxt(mrb_state *mrb, const char *s, int len, mrbc_context *cxt);
 
diff --git a/include/mruby/dump.h b/include/mruby/dump.h
index 6a36cbce6..488a657ef 100644
--- a/include/mruby/dump.h
+++ b/include/mruby/dump.h
@@ -23,7 +23,7 @@ MRB_BEGIN_DECL
 #define DUMP_ENDIAN_MASK 6
 
 int mrb_dump_irep(mrb_state *mrb, mrb_irep *irep, uint8_t flags, uint8_t **bin, size_t *bin_size);
-#ifdef ENABLE_STDIO
+#ifndef MRB_DISABLE_STDIO
 int mrb_dump_irep_binary(mrb_state*, mrb_irep*, uint8_t, FILE*);
 int mrb_dump_irep_cfunc(mrb_state *mrb, mrb_irep*, uint8_t flags, FILE *f, const char *initname);
 mrb_irep *mrb_read_irep_file(mrb_state*, FILE*);