Collapse fails in ruby mode if the file contains single-line class.

[tofuya]

Description :octocat:

I get an error when I fold the code in a ruby file that contains a single-line class, module, and method.

As a side note, in Ruby, classes, modules, and methods can each be defined in a single line, as shown below:

class Foo < Bar; end
module Baz; end
def foo;  "hello" end
def bar() "hello" end
def foo(bar) = "hello" # since Ruby3.0

Reproduction guide :beetle:

1. Start Emacs
2. Open the following ruby file

class Foo < Bar; end
module Baz; end
def foo;  "hello" end
def bar() "hello" end
def baz(v) = "hello"

3. Run origami-close-all-nodes

Observed behaviour: :eyes: :broken_heart: (error "Offset is not within the range of the node: beg=1 ...")

Expected behaviour: :heart: :smile: No error in ruby file contains a single-line-definition

System Info :computer:

• OS: darwin
• Emacs: 27.1
• Spacemacs: 0.300.0
• Spacemacs branch: develop (rev. 37c8669d3)
• Graphic display: nil
• Distribution: spacemacs
• Editing style: vim
• Completion: helm
• Layers:

(emacs-lisp helm multiple-cursors treemacs)

• System configuration features: RSVG IMAGEMAGICK GLIB NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS XIM NS MODULES THREADS JSON PDUMPER LCMS2 GMP

Backtrace :paw_prints:

Debugger entered--Lisp error: (error "Offset is not within the range of the node: beg=1 ...")
  signal(error ("Offset is not within the range of the node: beg=1 ..."))
  error("Offset is not within the range of the node: beg=%s..." 1 0 20)
  origami-fold-node(1 0 20 t nil nil)
  #f(compiled-function (beg end offset children) #<bytecode 0x1fedf5cec791>)(1 0 20 nil)
  #f(compiled-function (positions) #<bytecode 0x1fedf5ce467d>)(((#("class" 0 5 (face font-lock-keyword-face fontified t)) . 1) (#("end" 0 3 (face font-lock-keyword-face fontified t)) . 0) (#("module" 0 6 (face font-lock-keyword-face fontified t)) . 22) (#("end" 0 3 (face font-lock-keyword-face fontified t)) . 21) (#("def" 0 3 (face font-lock-keyword-face fontified t)) . 44) (#("end" 0 3 (face font-lock-keyword-face fontified t)) . 43) (#("def" 0 3 (face font-lock-keyword-face fontified t)) . 66) (#("end" 0 2 (face font-lock-keyword-face fontified t) 2 3 (face font-lock-keyword-face fontified t rear-nonsticky t)) . 65) (#("def" 0 3 (face font-lock-keyword-face fontified t)) . 88)))
  origami-build-pair-tree(#f(compiled-function (beg end offset children) #<bytecode 0x1fedf5cec791>) "\\(s*def\\|class\\|module\\|if\\|unless\\|while\\|until\\|..." "\\(s*end\\)\\_>" "\\(s*else\\|when\\|elsif\\)\\_>" ((#("class" 0 5 (face font-lock-keyword-face fontified t)) . 1) (#("end" 0 3 (face font-lock-keyword-face fontified t)) . 0) (#("module" 0 6 (face font-lock-keyword-face fontified t)) . 22) (#("end" 0 3 (face font-lock-keyword-face fontified t)) . 21) (#("def" 0 3 (face font-lock-keyword-face fontified t)) . 44) (#("end" 0 3 (face font-lock-keyword-face fontified t)) . 43) (#("def" 0 3 (face font-lock-keyword-face fontified t)) . 66) (#("end" 0 2 (face font-lock-keyword-face fontified t) 2 3 (face font-lock-keyword-face fontified t rear-nonsticky t)) . 65) (#("def" 0 3 (face font-lock-keyword-face fontified t)) . 88)) #f(compiled-function (&rest _) #<bytecode 0x1fedf4cb7409>))
  #f(compiled-function (content) #<bytecode 0x1fedf5cec7c9>)(#("class Foo < Bar; end\nmodule Foo < Bar; end\ndef foo..." 0 5 (face font-lock-keyword-face fontified t) 5 6 (fontified t) 6 9 (face font-lock-type-face fontified t) 9 12 (fontified t) 12 15 (face font-lock-type-face fontified t) 15 17 (fontified t) 17 20 (face font-lock-keyword-face fontified t) 20 21 (fontified t rear-nonsticky t) 21 27 (face font-lock-keyword-face fontified t) 27 28 (fontified t) 28 31 (face font-lock-type-face fontified t) 31 34 (fontified t) 34 37 (face font-lock-type-face fontified t) 37 39 (fontified t) 39 42 (face font-lock-keyword-face fontified t) 42 43 (fontified t rear-nonsticky t) ...))
  #f(compiled-function (content) #<bytecode 0x1fedf5ce4341>)(#("class Foo < Bar; end\nmodule Foo < Bar; end\ndef foo..." 0 5 (face font-lock-keyword-face fontified t) 5 6 (fontified t) 6 9 (face font-lock-type-face fontified t) 9 12 (fontified t) 12 15 (face font-lock-type-face fontified t) 15 17 (fontified t) 17 20 (face font-lock-keyword-face fontified t) 20 21 (fontified t rear-nonsticky t) 21 27 (face font-lock-keyword-face fontified t) 27 28 (fontified t) 28 31 (face font-lock-type-face fontified t) 31 34 (fontified t) 34 37 (face font-lock-type-face fontified t) 37 39 (fontified t) 39 42 (face font-lock-keyword-face fontified t) 42 43 (fontified t rear-nonsticky t) ...))
  origami-build-tree(#<buffer test.rb> #f(compiled-function (content) #<bytecode 0x1fedf5ce4341>))
  origami-get-fold-tree(#<buffer test.rb>)
  origami-close-all-nodes(#<buffer test.rb>)
  funcall-interactively(origami-close-all-nodes #<buffer test.rb>)
  call-interactively(origami-close-all-nodes nil nil)
  command-execute(origami-close-all-nodes)