Feature #7035

* compile.c (defined_expr), insns.def (defined): share single frozen
  strings.  [EXPERIMENTAL] [ruby-core:47558][Feature #7035]
* iseq.c (rb_iseq_defined_string): make expression strings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 3 deletions

diff --git a/iseq.h b/iseq.h
index 39f139ff94..17eebfff12 100644
--- a/iseq.h
+++ b/iseq.h
@@ -106,18 +106,27 @@ struct iseq_compile_data {
 /* defined? */
 
 enum defined_type {
-    DEFINED_IVAR = 1,
-    DEFINED_IVAR2,
+    DEFINED_NIL = 1,
+    DEFINED_IVAR,
+    DEFINED_LVAR,
     DEFINED_GVAR,
     DEFINED_CVAR,
     DEFINED_CONST,
     DEFINED_METHOD,
     DEFINED_YIELD,
-    DEFINED_REF,
     DEFINED_ZSUPER,
+    DEFINED_SELF,
+    DEFINED_TRUE,
+    DEFINED_FALSE,
+    DEFINED_ASGN,
+    DEFINED_EXPR,
+    DEFINED_IVAR2,
+    DEFINED_REF,
     DEFINED_FUNC
 };
 
+VALUE rb_iseq_defined_string(enum defined_type type);
+
 #if defined __GNUC__ && __GNUC__ >= 4
 #pragma GCC visibility pop
 #endif