blob: 6a7b11c7e0e292d48b51588fca5f977f39bcf788 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
module ActiveSupport
module Deprecation
class << self
attr_accessor :silenced
def warn(message = nil, callstack = caller)
return if silenced
deprecation_message(callstack, message).tap do |m|
behavior.each { |b| b.call(m, callstack) }
end
end
# Silence deprecation warnings within the block.
def silence
old_silenced, @silenced = @silenced, true
yield
ensure
@silenced = old_silenced
end
def deprecated_method_warning(method_name, message = nil)
warning = "#{method_name} is deprecated and will be removed from Rails #{deprecation_horizon}"
case message
when Symbol then "#{warning} (use #{message} instead)"
when String then "#{warning} (#{message})"
else warning
end
end
private
def deprecation_message(callstack, message = nil)
message ||= "You are using deprecated behavior which will be removed from the next major or minor release."
message += '.' unless message =~ /\.$/
"DEPRECATION WARNING: #{message} #{deprecation_caller_message(callstack)}"
end
def deprecation_caller_message(callstack)
file, line, method = extract_callstack(callstack)
if file
if line && method
"(called from #{method} at #{file}:#{line})"
else
"(called from #{file}:#{line})"
end
end
end
def extract_callstack(callstack)
rails_gem_root = File.expand_path("../../../../..", __FILE__) + "/"
offending_line = callstack.find { |line| !line.start_with?(rails_gem_root) } || callstack.first
if offending_line
if md = offending_line.match(/^(.+?):(\d+)(?::in `(.*?)')?/)
md.captures
else
offending_line
end
end
end
end
end
end
|
