Rename TruffleRuby.sulong? to TruffleRuby.cexts?.

Author: aardvark179

doc/user/truffleruby-additions.md

@@ -40,7 +40,7 @@ used.
 
 `TruffleRuby.native?` reports if TruffleRuby is compiled as a native image.
 
-`TruffleRuby.sulong?` reports if TruffleRuby has the GraalVM LLVM Runtime for C
+`TruffleRuby.cexts?` reports if TruffleRuby has the GraalVM LLVM Runtime for C
 extensions available.
 
 `TruffleRuby.revision` reports the source control revision used to build

spec/truffle/launcher_spec.rb

@@ -262,7 +262,7 @@ def should_print_full_java_command(options, env: {})
     out.should include("--ruby.load-paths=")
   end
 
-  guard -> { TruffleRuby.sulong? } do
+  guard -> { TruffleRuby.cexts? } do
     it "prints help:languages containing llvm language options" do
       out = ruby_exe(nil, options: "--help:languages")
       $?.success?.should == true

spec/truffle/truffleruby/no_other_methods_spec.rb

@@ -12,7 +12,7 @@
 
   it "contains no other public methods" do
     (TruffleRuby.methods - Module.new.methods).sort.should == %i{
-      full_memory_barrier graal? native? revision sulong? synchronized
+      full_memory_barrier graal? native? revision sulong? cexts? synchronized
     }.sort
   end
 

spec/truffle/truffleruby/sulong_spec.rb

@@ -8,10 +8,10 @@
 
 require_relative '../../ruby/spec_helper'
 
-describe "TruffleRuby.sulong?" do
+describe "TruffleRuby.cexts?" do
 
   it "returns a Boolean value" do
-    TruffleRuby.sulong?.should be_true_or_false
+    TruffleRuby.cexts?.should be_true_or_false
   end
 
 end

src/main/java/org/truffleruby/extra/TruffleRubyNodes.java

@@ -50,7 +50,7 @@ public boolean isNative() {
 
     }
 
-    @CoreMethod(names = "sulong?", onSingleton = true)
+    @CoreMethod(names = "cexts?", onSingleton = true)
     public abstract static class SulongNode extends CoreMethodArrayArgumentsNode {
 
         @Specialization

src/main/ruby/core/truffle/backward.rb

@@ -30,3 +30,12 @@ def self.full_memory_barrier
   end
 
 end
+
+module TruffleRuby
+
+  def self.sulong?
+    warn 'TruffleRuby.sulong? has been replaced by TruffleRuby.cexts? and will be removed at a future release', uplevel: 1
+    cexts?
+  end
+
+end