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ruby-changes:49365

From: mame <ko1@a...>
Date: Tue, 26 Dec 2017 17:38:41 +0900 (JST)
Subject: [ruby-changes:49365] mame:r61480 (trunk): proc.c (bind_location): Add Binding#source_location

mame	2017-12-26 17:38:35 +0900 (Tue, 26 Dec 2017)

  New Revision: 61480

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61480

  Log:
    proc.c (bind_location): Add Binding#source_location
    
    Fixes #14230

  Modified files:
    trunk/lib/irb/workspace.rb
    trunk/proc.c
Index: proc.c
===================================================================
--- proc.c	(revision 61479)
+++ proc.c	(revision 61480)
@@ -12,6 +12,7 @@ https://github.com/ruby/ruby/blob/trunk/proc.c#L12
 #include "eval_intern.h"
 #include "internal.h"
 #include "gc.h"
+#include "vm_core.h"
 #include "iseq.h"
 
 /* Proc.new with no block will raise an exception in the future
@@ -611,6 +612,24 @@ bind_receiver(VALUE bindval) https://github.com/ruby/ruby/blob/trunk/proc.c#L612
     return vm_block_self(&bind->block);
 }
 
+/*
+ *  call-seq:
+ *     binding.source_location  -> [String, Integer]
+ *
+ *  Returns the Ruby source filename and line number of the binding object.
+ */
+static VALUE
+bind_location(VALUE bindval)
+{
+    VALUE loc[2];
+    const rb_binding_t *bind;
+    GetBindingPtr(bindval, bind);
+    loc[0] = pathobj_path(bind->pathobj);
+    loc[1] = INT2FIX(bind->first_lineno);
+
+    return rb_ary_new4(2, loc);
+}
+
 static VALUE
 cfunc_proc_new(VALUE klass, VALUE ifunc, int8_t is_lambda)
 {
@@ -3223,5 +3242,6 @@ Init_Binding(void) https://github.com/ruby/ruby/blob/trunk/proc.c#L3242
     rb_define_method(rb_cBinding, "local_variable_set", bind_local_variable_set, 2);
     rb_define_method(rb_cBinding, "local_variable_defined?", bind_local_variable_defined_p, 1);
     rb_define_method(rb_cBinding, "receiver", bind_receiver, 0);
+    rb_define_method(rb_cBinding, "source_location", bind_location, 0);
     rb_define_global_function("binding", rb_f_binding, 0);
 }
Index: lib/irb/workspace.rb
===================================================================
--- lib/irb/workspace.rb	(revision 61479)
+++ lib/irb/workspace.rb	(revision 61480)
@@ -108,7 +108,7 @@ EOF https://github.com/ruby/ruby/blob/trunk/lib/irb/workspace.rb#L108
     end
 
     def code_around_binding
-      file, pos = @binding.eval('[__FILE__, __LINE__]')
+      file, pos = @binding.source_location
 
       unless defined?(::SCRIPT_LINES__[file]) && lines = ::SCRIPT_LINES__[file]
         begin

--
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