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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
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mame committed Dec 26, 2017
1 parent f6631c3 commit 571e48b74422f5caa8ff6d91faf7e1a6bf4d2dc1
Showing with 21 additions and 1 deletion.
  1. +1 −1 lib/irb/workspace.rb
  2. +20 −0 proc.c
@@ -108,7 +108,7 @@ def filter_backtrace(bt)
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
20 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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