Make parseToJRubyAST() a static method to make it clear it does not a TranslatorDriver instance

Author: eregon

src/main/java/org/truffleruby/aot/ParserCache.java

@@ -57,11 +57,10 @@ private static RubySource loadSource(String feature) {
     }
 
     private static RootParseNode parse(RubySource source) {
-        final TranslatorDriver driver = new TranslatorDriver(null);
         final StaticScope staticScope = new StaticScope(StaticScope.Type.LOCAL, null);
         final ParserConfiguration parserConfiguration = new ParserConfiguration(null, false, true, false);
 
-        return driver.parseToJRubyAST(source, staticScope, parserConfiguration);
+        return TranslatorDriver.parseToJRubyAST(null, source, staticScope, parserConfiguration);
     }
 
 }

src/main/java/org/truffleruby/parser/TranslatorDriver.java

@@ -175,7 +175,7 @@ public RubyRootNode parse(RubySource rubySource, ParserContext parserContext, St
             node = context.getMetricsProfiler().callWithMetrics(
                     "parsing",
                     source.getName(),
-                    () -> parseToJRubyAST(rubySource, staticScope, parserConfiguration));
+                    () -> parseToJRubyAST(context, rubySource, staticScope, parserConfiguration));
             printParseTranslateExecuteMetric("after-parsing", context, source);
         }
 
@@ -380,7 +380,7 @@ private String getMethodName(ParserContext parserContext, MaterializedFrame pare
         }
     }
 
-    public RootParseNode parseToJRubyAST(RubySource rubySource, StaticScope blockScope,
+    public static RootParseNode parseToJRubyAST(RubyContext context, RubySource rubySource, StaticScope blockScope,
             ParserConfiguration configuration) {
         LexerSource lexerSource = new LexerSource(rubySource, configuration.getDefaultEncoding());
         // We only need to pass in current scope if we are evaluating as a block (which