Add new options for Ruby code indentation

* lisp/progmodes/ruby-mode.el (ruby-block-indent)
(ruby-after-operator-indent, ruby-method-call-indent)
(ruby-parenless-call-arguments-indent): New options (bug#60186).
(ruby-smie-grammar): Specify associativity for "?".
(ruby-smie--indent-to-stmt): Add optional argument.

* test/lisp/progmodes/ruby-mode-resources/ruby.rb: New cases.

* test/lisp/progmodes/ruby-mode-resources/ruby-method-call-indent.rb:
* test/lisp/progmodes/ruby-mode-resources/ruby-block-indent.rb:
* test/lisp/progmodes/ruby-mode-resources/ruby-after-operator-indent.rb:
* test/lisp/progmodes/ruby-mode-resources/
ruby-parenless-call-arguments-indent.rb: New files.

* test/lisp/progmodes/ruby-mode-tests.el: Add indentation tests for new files.

6 files changed, 127 insertions, 0 deletions

diff --git a/test/lisp/progmodes/ruby-mode-resources/ruby-after-operator-indent.rb b/test/lisp/progmodes/ruby-mode-resources/ruby-after-operator-indent.rb
new file mode 100644
index 00000000000..25cd8736f97
--- /dev/null
+++ b/test/lisp/progmodes/ruby-mode-resources/ruby-after-operator-indent.rb
@@ -0,0 +1,29 @@
+4 +
+  5 +
+  6 +
+  7
+
+qux = 4 + 5 *
+  6 +
+  7
+
+foo = obj.bar { |m| tee(m) } +
+  obj.qux { |m| hum(m) }
+
+foo.
+  bar
+  .baz
+
+qux = foo.fee ?
+  bar :
+  tee
+
+# Endless methods.
+class Bar
+  def foo(abc) = bar +
+    baz
+end
+
+# Local Variables:
+# ruby-after-operator-indent: nil
+# End:
diff --git a/test/lisp/progmodes/ruby-mode-resources/ruby-block-indent.rb b/test/lisp/progmodes/ruby-mode-resources/ruby-block-indent.rb
new file mode 100644
index 00000000000..32882814b7e
--- /dev/null
+++ b/test/lisp/progmodes/ruby-mode-resources/ruby-block-indent.rb
@@ -0,0 +1,33 @@
+foo
+  .asdasd
+  .proc do |**args|
+    p(**args)
+  end
+
+foo
+  .asdasd
+  .proc { |**args|
+    p(**args)
+  }
+
+bar.foo do
+  bar
+end
+
+bar.foo(tee) do
+  bar
+end
+
+bar.foo(tee) {
+  bar
+}
+
+x.foo do
+  foo
+end.bar do
+  bar
+end
+
+# Local Variables:
+# ruby-block-indent: nil
+# End:
diff --git a/test/lisp/progmodes/ruby-mode-resources/ruby-method-call-indent.rb b/test/lisp/progmodes/ruby-mode-resources/ruby-method-call-indent.rb
new file mode 100644
index 00000000000..1a8285ee919
--- /dev/null
+++ b/test/lisp/progmodes/ruby-mode-resources/ruby-method-call-indent.rb
@@ -0,0 +1,15 @@
+foo2 =
+  subject.
+  update(
+    2
+  )
+
+foo3 =
+  subject
+  .update(
+    2
+  )
+
+# Local Variables:
+# ruby-method-call-indent: nil
+# End:
diff --git a/test/lisp/progmodes/ruby-mode-resources/ruby-parenless-call-arguments-indent.rb b/test/lisp/progmodes/ruby-mode-resources/ruby-parenless-call-arguments-indent.rb
new file mode 100644
index 00000000000..58e08810c4c
--- /dev/null
+++ b/test/lisp/progmodes/ruby-mode-resources/ruby-parenless-call-arguments-indent.rb
@@ -0,0 +1,23 @@
+method arg1,
+  method2 arg2,
+  arg3, [
+    arg4,
+    arg5
+  ]
+
+zzz = method (a + b),
+  c, :d => :e,
+  f: g
+
+return render json: {
+    errors: { base: [message] },
+    copying: copying
+  },
+  status: 400
+
+foo(a,
+    b)
+
+# Local Variables:
+# ruby-parenless-call-arguments-indent: nil
+# End:
diff --git a/test/lisp/progmodes/ruby-mode-resources/ruby.rb b/test/lisp/progmodes/ruby-mode-resources/ruby.rb
index 6a69d9db78a..bfae948b259 100644
--- a/test/lisp/progmodes/ruby-mode-resources/ruby.rb
+++ b/test/lisp/progmodes/ruby-mode-resources/ruby.rb
@@ -226,6 +226,7 @@ desc "foo foo" \
 
 foo.
   bar
+  .baz
 
 # https://github.com/rails/rails/blob/17f5d8e062909f1fcae25351834d8e89967b645e/activesupport/lib/active_support/time_with_zone.rb#L206
 foo # comment intended to confuse the tokenizer
@@ -380,6 +381,18 @@ foo = [1, 2, 3].map do |i|
   i + 1
 end
 
+m1 = foo
+       .asdasd
+       .proc do |**args|
+  p(**args)
+end
+
+m2 = foo
+       .asdasd
+       .proc { |**args|
+  p(**args)
+}
+
 bar.foo do
   bar
 end
@@ -398,6 +411,12 @@ bar 1 do
   end
 end
 
+x.foo do
+  foo
+end.bar do
+  bar
+end
+
 foo |
   bar
 
@@ -540,5 +559,9 @@ class Bar
 end
 
 # Local Variables:
+# ruby-after-operator-indent: t
+# ruby-block-indent: t
+# ruby-method-call-indent: t
 # ruby-method-params-indent: t
+# ruby-parenless-call-arguments-indent: t
 # End:
diff --git a/test/lisp/progmodes/ruby-mode-tests.el b/test/lisp/progmodes/ruby-mode-tests.el
index 560f780285a..5c81cc31cc1 100644
--- a/test/lisp/progmodes/ruby-mode-tests.el
+++ b/test/lisp/progmodes/ruby-mode-tests.el
@@ -956,7 +956,11 @@ VALUES-PLIST is a list with alternating index and value elements."
          (kill-buffer buf)))))
 
 (ruby-deftest-indent "ruby.rb")
+(ruby-deftest-indent "ruby-after-operator-indent.rb")
+(ruby-deftest-indent "ruby-block-indent.rb")
+(ruby-deftest-indent "ruby-method-call-indent.rb")
 (ruby-deftest-indent "ruby-method-params-indent.rb")
+(ruby-deftest-indent "ruby-parenless-call-arguments-indent.rb")
 
 (ert-deftest ruby--test-chained-indentation ()
   (with-temp-buffer