From 571e48b74422f5caa8ff6d91faf7e1a6bf4d2dc1 Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 26 Dec 2017 08:38:35 +0000
Subject: proc.c (bind_location): Add Binding#source_location

Fixes #14230

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61480 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 proc.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'proc.c')

diff --git a/proc.c b/proc.c
index 9dbc78ae4a..23c4d3a2d4 100644
--- a/proc.c
+++ b/proc.c
@@ -12,6 +12,7 @@
 #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)
     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)
     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);
 }
-- 
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