Avoid including `presym.inc` in existing header files

Addressed an issue where existing programs linking `libmruby.a` could only
be built by adding `<build-dir>/include` to compiler's include path.

4 files changed, 23 insertions, 26 deletions

diff --git a/include/mruby.h b/include/mruby.h
index ccb76ebe4..9fe72d7d5 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -1303,26 +1303,26 @@ MRB_API mrb_value mrb_vformat(mrb_state *mrb, const char *format, va_list ap);
    + those E_* macros requires mrb_state* variable named mrb.
    + exception objects obtained from those macros are local to mrb
 */
-#define E_RUNTIME_ERROR             (mrb_exc_get_id(mrb, MRB_SYM(RuntimeError)))
-#define E_TYPE_ERROR                (mrb_exc_get_id(mrb, MRB_SYM(TypeError)))
-#define E_ZERODIV_ERROR             (mrb_exc_get_id(mrb, MRB_SYM(ZeroDivisionError)))
-#define E_ARGUMENT_ERROR            (mrb_exc_get_id(mrb, MRB_SYM(ArgumentError)))
-#define E_INDEX_ERROR               (mrb_exc_get_id(mrb, MRB_SYM(IndexError)))
-#define E_RANGE_ERROR               (mrb_exc_get_id(mrb, MRB_SYM(RangeError)))
-#define E_NAME_ERROR                (mrb_exc_get_id(mrb, MRB_SYM(NameError)))
-#define E_NOMETHOD_ERROR            (mrb_exc_get_id(mrb, MRB_SYM(NoMethodError)))
-#define E_SCRIPT_ERROR              (mrb_exc_get_id(mrb, MRB_SYM(ScriptError)))
-#define E_SYNTAX_ERROR              (mrb_exc_get_id(mrb, MRB_SYM(SyntaxError)))
-#define E_LOCALJUMP_ERROR           (mrb_exc_get_id(mrb, MRB_SYM(LocalJumpError)))
-#define E_REGEXP_ERROR              (mrb_exc_get_id(mrb, MRB_SYM(RegexpError)))
-#define E_FROZEN_ERROR              (mrb_exc_get_id(mrb, MRB_SYM(FrozenError)))
-
-#define E_NOTIMP_ERROR              (mrb_exc_get_id(mrb, MRB_SYM(NotImplementedError)))
+#define E_RUNTIME_ERROR      mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "RuntimeError"))
+#define E_TYPE_ERROR         mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "TypeError"))
+#define E_ZERODIV_ERROR      mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "ZeroDivisionError"))
+#define E_ARGUMENT_ERROR     mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "ArgumentError"))
+#define E_INDEX_ERROR        mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "IndexError"))
+#define E_RANGE_ERROR        mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "RangeError"))
+#define E_NAME_ERROR         mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "NameError"))
+#define E_NOMETHOD_ERROR     mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "NoMethodError"))
+#define E_SCRIPT_ERROR       mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "ScriptError"))
+#define E_SYNTAX_ERROR       mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "SyntaxError"))
+#define E_LOCALJUMP_ERROR    mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "LocalJumpError"))
+#define E_REGEXP_ERROR       mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "RegexpError"))
+#define E_FROZEN_ERROR       mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "FrozenError"))
+
+#define E_NOTIMP_ERROR       mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "NotImplementedError"))
 #ifndef MRB_NO_FLOAT
-#define E_FLOATDOMAIN_ERROR         (mrb_exc_get_id(mrb, MRB_SYM(FloatDomainError)))
+#define E_FLOATDOMAIN_ERROR  mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "FloatDomainError"))
 #endif
 
-#define E_KEY_ERROR                 (mrb_exc_get_id(mrb, MRB_SYM(KeyError)))
+#define E_KEY_ERROR          mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "KeyError"))
 
 MRB_API mrb_value mrb_yield(mrb_state *mrb, mrb_value b, mrb_value arg);
 MRB_API mrb_value mrb_yield_argv(mrb_state *mrb, mrb_value b, mrb_int argc, const mrb_value *argv);
@@ -1389,7 +1389,7 @@ MRB_API mrb_value mrb_fiber_alive_p(mrb_state *mrb, mrb_value fib);
  *
  * Implemented in mruby-fiber
  */
-#define E_FIBER_ERROR (mrb_exc_get_id(mrb, MRB_SYM(FiberError)))
+#define E_FIBER_ERROR mrb_exc_get_id(mrb, mrb_intern_lit(mrb, "FiberError"))
 MRB_API void mrb_stack_extend(mrb_state*, mrb_int);
 
 /* memory pool implementation */
@@ -1409,7 +1409,9 @@ MRB_API void mrb_show_copyright(mrb_state *mrb);
 
 MRB_API mrb_value mrb_format(mrb_state *mrb, const char *format, ...);
 
-#include <mruby/presym.h>
+#ifdef MRB_PRESYM_SCANNING
+# include <mruby/presym/scanning.h>
+#endif
 
 #if 0
 /* memcpy and memset does not work with gdb reverse-next on my box */
diff --git a/include/mruby/hash.h b/include/mruby/hash.h
index 7383de5ac..a16df2f75 100644
--- a/include/mruby/hash.h
+++ b/include/mruby/hash.h
@@ -212,8 +212,6 @@ MRB_API mrb_value mrb_hash_dup(mrb_state *mrb, mrb_value hash);
 MRB_API void mrb_hash_merge(mrb_state *mrb, mrb_value hash1, mrb_value hash2);
 
 #define RHASH(hash) ((struct RHash*)(mrb_ptr(hash)))
-#define RHASH_IFNONE(hash) mrb_iv_get(mrb, (hash), MRB_SYM(ifnone))
-#define RHASH_PROCDEFAULT(hash) RHASH_IFNONE(hash)
 
 #define MRB_HASH_IB_BIT_BIT         5
 #define MRB_HASH_AR_EA_CAPA_BIT     5
diff --git a/include/mruby/presym.h b/include/mruby/presym.h
index d5ed72e72..066b675e7 100644
--- a/include/mruby/presym.h
+++ b/include/mruby/presym.h
@@ -7,11 +7,9 @@
 #ifndef MRUBY_PRESYM_H
 #define MRUBY_PRESYM_H
 
-#if defined(MRB_PRESYM_SCANNING)
-# include <mruby/presym/scanning.h>
-#elif defined(MRB_NO_PRESYM)
+#if defined(MRB_NO_PRESYM)
 # include <mruby/presym/disable.h>
-#else
+#elif !defined(MRB_PRESYM_SCANNING)
 # include <mruby/presym/enable.h>
 #endif
 
diff --git a/include/mruby/presym/scanning.h b/include/mruby/presym/scanning.h
index 0a9844913..fab0743f7 100644
--- a/include/mruby/presym/scanning.h
+++ b/include/mruby/presym/scanning.h
@@ -23,7 +23,6 @@
 #define mrb_define_const(mrb, c, name, v) MRB_PRESYM_SCANNING_TAGGED(name)
 #define mrb_define_global_const(mrb, name, v) MRB_PRESYM_SCANNING_TAGGED(name)
 
-
 #define MRB_OPSYM(name) MRB_OPSYM__##name(mrb)
 #define MRB_CVSYM(name) MRB_PRESYM_SCANNING_TAGGED("@@" #name)
 #define MRB_IVSYM(name) MRB_PRESYM_SCANNING_TAGGED("@" #name)