Updates for TruffleRuby

.editorconfig

@@ -2,23 +2,19 @@ root = true
 
 [*]
 end_of_line = lf
-indent_size = 4
-indent_style = space
 insert_final_newline = true
-tab_width = 8
 trim_trailing_whitespace = true
 
-[*.bat]
-end_of_line = crlf
-
-[*.gemspec]
-indent_size = 2
-
-[{*.rb,Rakefile}]
-indent_size = 2
+[*.{c,h}]
+indent_style = space
+indent_size = 4
+tab_width = 8
 
-[*.yml]
+[{*.rb,*.gemspec,Rakefile,*.yml}]
+indent_style = space
 indent_size = 2
 
 [{*[Mm]akefile*,*.mak,*.mk,depend}]
 indent_style = tab
+indent_size = 4
+tab_width = 4

Gemfile

@@ -9,5 +9,5 @@ gem "rake-compiler"
 gem "test-unit"
 gem "ffi", platform: %i[mri mswin mingw x64_mingw]
 group :memcheck do
-  gem "ruby_memcheck", platform: %i[mri truffleruby mswin mingw x64_mingw]
+  gem "ruby_memcheck", platform: %i[mri mswin mingw x64_mingw]
 end

java/org/prism/ParseResult.java

@@ -1,5 +1,6 @@
 package org.prism;
 
+// @formatter:off
 public final class ParseResult {
 
     public static final class MagicComment {
@@ -44,3 +45,4 @@ public ParseResult(Nodes.Node value, MagicComment[] magicComments, Error[] error
         this.warnings = warnings;
     }
 }
+// @formatter:on