module Foo
  macro included
    {% raise "noooo" %}
  end
end

include Foo

$ crystal run --error-trace test.cr
In test.cr:7:1

 7 | include Foo
     ^
Error: at 'Included' hook


In test.cr:3:8

 3 | {% raise "noooo" %}
        ^----
Error: noooo

$ ccrystal run --error-trace test.cr
Using compiled compiler at .build/crystal
In test.cr:3:8

 3 | {% raise "noooo" %}
        ^----
Error: noooo


In test.cr:7:1

 7 | include Foo
     ^
Error: noooo

abstract struct Parent
  macro inherited
    {% raise "nooo" %}
  end
end

struct Child < Parent
end

$ crystal run --error-trace test.cr
In test.cr:3:8

 3 | {% raise "nooo" %}
        ^----
Error: nooo

$ ccrystal run --error-trace test.cr
Using compiled compiler at .build/crystal
In test.cr:3:8

 3 | {% raise "nooo" %}
        ^----
Error: nooo


In test.cr:7:8

 7 | struct Child < Parent
            ^
Error: nooo

module ExampleModule
  macro included
    {% verbatim do %}
      {%
        if method = @type.class.methods.find &.name.stringify.==("value")
          method.raise "Value method must be an instance method."
        else
          raise "BUG: Didn't find value method."
        end
      %}
    {% end %}
  end
end

class ExampleClass
  def self.value : Nil
  end

  include ExampleModule
end

$ crystal run --error-trace test.cr
In test.cr:19:3

 19 | include ExampleModule
      ^
Error: at 'Included' hook


In test.cr:19:3

 19 | include ExampleModule
      ^
Error: expanding macro


There was a problem expanding macro 'included'

Called macro defined in test.cr:2:3

 2 | macro included

Which expanded to:

 >  1 |
 >  2 |       {% if method = @type.class.methods.find do |__arg0|
 >  3 |   __arg0.name.stringify == "value"
 >  4 | end
 >  5 |   method.raise("Value method must be an instance method.")
 >  6 | else
 >  7 |   raise("BUG: Didn't find value method.")
 >  8 | end %}
 >  9 |
 > 10 |
Error: Value method must be an instance method.


In test.cr:16:12

 16 | def self.value : Nil
               ^----
Error: Value method must be an instance method.

$ ccrystal run --error-trace test.cr
Using compiled compiler at .build/crystal
In test.cr:19:3

 19 | include ExampleModule
      ^
Error: at 'Included' hook


In test.cr:19:3

 19 | include ExampleModule
      ^
Error: expanding macro


There was a problem expanding macro 'included'

Called macro defined in test.cr:2:3

 2 | macro included

Which expanded to:

 >  1 |
 >  2 |       {% if method = @type.class.methods.find do |__arg0|
 >  3 |   __arg0.name.stringify == "value"
 >  4 | end
 >  5 |   method.raise("Value method must be an instance method.")
 >  6 | else
 >  7 |   raise("BUG: Didn't find value method.")
 >  8 | end %}
 >  9 |
 > 10 |
Error: Value method must be an instance method.


In test.cr:16:12

 16 | def self.value : Nil
               ^----
Error: Value method must be an instance method.