Added other methods for `Binding`

- Added to `mruby-binding-core`
  - `Binding#local_variable_defined?`
  - `Binding#local_variable_get`
  - `Binding#local_variable_set`
  - `Binding#local_variables`
  - `Binding#receiver`
  - `Binding#source_location`
  - `Binding#inspect`
- Added to `mruby-proc-binding`
  - `Proc#binding`

The reason for separating `Proc#binding` is that core-mrbgems has a method that returns a closure object to minimize possible problems with being able to manipulate internal variables.
By separating it as different mrbgem, each user can judge this problem and incorporate it arbitrarily.

1 files changed, 9 insertions, 5 deletions

diff --git a/mrbgems/mruby-proc-ext/src/proc.c b/mrbgems/mruby-proc-ext/src/proc.c
index 6117c4d40..9d8a7b037 100644
--- a/mrbgems/mruby-proc-ext/src/proc.c
+++ b/mrbgems/mruby-proc-ext/src/proc.c
@@ -13,11 +13,9 @@ mrb_proc_lambda_p(mrb_state *mrb, mrb_value self)
   return mrb_bool_value(MRB_PROC_STRICT_P(p));
 }
 
-static mrb_value
-mrb_proc_source_location(mrb_state *mrb, mrb_value self)
+mrb_value
+mrb_proc_source_location(mrb_state *mrb, struct RProc *p)
 {
-  struct RProc *p = mrb_proc_ptr(self);
-
   if (MRB_PROC_CFUNC_P(p)) {
     return mrb_nil_value();
   }
@@ -35,6 +33,12 @@ mrb_proc_source_location(mrb_state *mrb, mrb_value self)
 }
 
 static mrb_value
+mrb_proc_source_location_m(mrb_state *mrb, mrb_value self)
+{
+  return mrb_proc_source_location(mrb, mrb_proc_ptr(self));
+}
+
+static mrb_value
 mrb_proc_inspect(mrb_state *mrb, mrb_value self)
 {
   struct RProc *p = mrb_proc_ptr(self);
@@ -183,7 +187,7 @@ mrb_mruby_proc_ext_gem_init(mrb_state* mrb)
 {
   struct RClass *p = mrb->proc_class;
   mrb_define_method(mrb, p, "lambda?",         mrb_proc_lambda_p,        MRB_ARGS_NONE());
-  mrb_define_method(mrb, p, "source_location", mrb_proc_source_location, MRB_ARGS_NONE());
+  mrb_define_method(mrb, p, "source_location", mrb_proc_source_location_m, MRB_ARGS_NONE());
   mrb_define_method(mrb, p, "to_s",            mrb_proc_inspect,         MRB_ARGS_NONE());
   mrb_define_method(mrb, p, "inspect",         mrb_proc_inspect,         MRB_ARGS_NONE());
   mrb_define_method(mrb, p, "parameters",      mrb_proc_parameters,      MRB_ARGS_NONE());