Support Ruby 2.7.0

Author: kddnewton

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-        - '2.7'
+        - '2.7.0'
         - '3.0'
         - '3.1'
         - head

lib/syntax_tree/node.rb

@@ -2132,8 +2132,7 @@ def format(q)
         in [
              Paren[
                contents: {
-                 body: [ArrayLiteral[contents: { parts: [_, _, *] }] => array]
-               }
+                 body: [ArrayLiteral[contents: { parts: [_, _, *] }] => array] }
              ]
            ]
           # Here we have a single argument that is a set of parentheses wrapping
@@ -5116,8 +5115,10 @@ def format(q)
           q.breakable
           contents.call
         end
-        q.breakable
-        q.text("}")
+
+        # Doing this because Ruby 2.7 before 2.7.3 did not support a newline
+        # character before the closing brace.
+        q.text(" }")
       end
     end
   end
@@ -5204,8 +5205,7 @@ def call(q, node)
             false
           in {
                statements: { body: [truthy] },
-               consequent: Else[statements: { body: [falsy] }]
-             }
+               consequent: Else[statements: { body: [falsy] }] }
             ternaryable?(truthy) && ternaryable?(falsy)
           else
             false

syntax_tree.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
         .reject { |f| f.match(%r{^(test|spec|features)/}) }
     end
 
-  spec.required_ruby_version = ">= 2.7.3"
+  spec.required_ruby_version = ">= 2.7.0"
 
   spec.bindir = "exe"
   spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }

test/fixtures/args_forward.rb

@@ -1,4 +1,4 @@
-%
+% # >= 2.7.3
 def foo(...)
   bar(:baz, ...)
 end

test/fixtures/hshptn.rb

@@ -30,14 +30,21 @@
 case foo
 in **bar
 end
-%
+% # >= 2.7.3
 case foo
 in {
      foo:, # comment1
      bar: # comment2
    }
   baz
 end
+-
+case foo
+in {
+     foo:, # comment1
+     bar: } # comment2
+  baz
+end
 %
 case foo
 in Foo[bar:]

test/fixtures/params.rb

@@ -16,7 +16,7 @@ def foo(*)
 %
 def foo(*rest)
 end
-%
+% # >= 2.7.3
 def foo(...)
 end
 %

test/test_helper.rb

@@ -26,7 +26,7 @@ def initialize
         @called = nil
       end
 
-      def method_missing(called, ...)
+      def method_missing(called, *, **)
         @called = called
       end
     end