src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/parser/ParserContextFunctionNode.java

*** 22,35 ****
--- 22,37 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  package jdk.nashorn.internal.parser;
  
+ import java.util.HashSet;
  import java.util.List;
  import jdk.nashorn.internal.codegen.Namespace;
  import jdk.nashorn.internal.ir.FunctionNode;
  import jdk.nashorn.internal.ir.IdentNode;
+ import jdk.nashorn.internal.ir.Module;
  
  /**
   * ParserContextNode that represents a function that is currently being parsed
   */
  class ParserContextFunctionNode extends ParserContextBaseNode {
*** 44,68 ****
      private final Namespace namespace;
  
      /** Line number for function declaration */
      private final int line;
  
!     /** Function node kind, see {@link FunctionNode#Kind} */
      private final FunctionNode.Kind kind;
  
      /** List of parameter identifiers for function */
!     private final List<IdentNode> parameters;
  
      /** Token for function start */
      private final long token;
  
      /** Last function token */
      private long lastToken;
  
      /** Opaque node for parser end state, see {@link Parser} */
      private Object endParserState;
  
      /**
       * @param token The token for the function
       * @param ident External function name
       * @param name  Internal name of the function
       * @param namespace Function's namespace
--- 46,78 ----
      private final Namespace namespace;
  
      /** Line number for function declaration */
      private final int line;
  
!     /** Function node kind, see {@link FunctionNode.Kind} */
      private final FunctionNode.Kind kind;
  
      /** List of parameter identifiers for function */
!     private List<IdentNode> parameters;
  
      /** Token for function start */
      private final long token;
  
      /** Last function token */
      private long lastToken;
  
      /** Opaque node for parser end state, see {@link Parser} */
      private Object endParserState;
  
+     private HashSet<String> parameterBoundNames;
+     private IdentNode duplicateParameterBinding;
+     private boolean simpleParameterList = true;
+ 
+     private Module module;
+ 
+     private int debugFlags;
+ 
      /**
       * @param token The token for the function
       * @param ident External function name
       * @param name  Internal name of the function
       * @param namespace Function's namespace
*** 153,162 ****
--- 163,176 ----
       */
      public List<IdentNode> getParameters() {
          return parameters;
      }
  
+     void setParameters(List<IdentNode> parameters) {
+         this.parameters = parameters;
+     }
+ 
      /**
       * Set last token
       * @param token New last token
       */
      public void setLastToken(final long token) {
*** 192,197 ****
--- 206,277 ----
       * @return The function id
       */
      public int getId() {
          return isProgram() ? -1 : Token.descPosition(token);
      }
+ 
+     /**
+      * Returns the debug flags for this function.
+      *
+      * @return the debug flags
+      */
+     int getDebugFlags() {
+         return debugFlags;
+     }
+ 
+     /**
+      * Sets a debug flag for this function.
+      *
+      * @param debugFlag the debug flag
+      */
+     void setDebugFlag(final int debugFlag) {
+         debugFlags |= debugFlag;
+     }
+ 
+     public boolean isMethod() {
+         return getFlag(FunctionNode.ES6_IS_METHOD) != 0;
+     }
+ 
+     public boolean isClassConstructor() {
+         return getFlag(FunctionNode.ES6_IS_CLASS_CONSTRUCTOR) != 0;
+     }
+ 
+     public boolean isSubclassConstructor() {
+         return getFlag(FunctionNode.ES6_IS_SUBCLASS_CONSTRUCTOR) != 0;
+     }
+ 
+     boolean addParameterBinding(final IdentNode bindingIdentifier) {
+         if (Parser.isArguments(bindingIdentifier)) {
+             setFlag(FunctionNode.DEFINES_ARGUMENTS);
+         }
+ 
+         if (parameterBoundNames == null) {
+             parameterBoundNames = new HashSet<>();
+         }
+         if (parameterBoundNames.add(bindingIdentifier.getName())) {
+             return true;
+         } else {
+             duplicateParameterBinding = bindingIdentifier;
+             return false;
+         }
+     }
+ 
+     public IdentNode getDuplicateParameterBinding() {
+         return duplicateParameterBinding;
+     }
+ 
+     public boolean isSimpleParameterList() {
+         return simpleParameterList;
+     }
+ 
+     public void setSimpleParameterList(final boolean simpleParameterList) {
+         this.simpleParameterList = simpleParameterList;
+     }
+ 
+     public Module getModule() {
+         return module;
+     }
+ 
+     public void setModule(final Module module) {
+         this.module = module;
+     }
  }