'yield' reserved as a keyword

compiler/frontend/src/org/jetbrains/kotlin/kdoc/lexer/_KDocLexer.java

@@ -1,4 +1,4 @@
-/* The following code was generated by JFlex 1.4.3 on 11/27/15 4:27 PM */
+/* The following code was generated by JFlex 1.4.3 on 11/30/15 6:43 PM */
 
 package org.jetbrains.kotlin.kdoc.lexer;
 
@@ -13,7 +13,7 @@ import org.jetbrains.kotlin.kdoc.parser.KDocKnownTag;
 /**
  * This class is a scanner generated by 
  * <a href="http://www.jflex.de/">JFlex</a> 1.4.3
- * on 11/27/15 4:27 PM from the specification file
+ * on 11/30/15 6:43 PM from the specification file
  * <tt>/Users/abreslav/work/kotlin/compiler/frontend/src/org/jetbrains/kotlin/kdoc/lexer/KDoc.flex</tt>
  */
 class _KDocLexer implements FlexLexer {

compiler/frontend/src/org/jetbrains/kotlin/lexer/Kotlin.flex

@@ -246,6 +246,7 @@ LONG_TEMPLATE_ENTRY_START=\$\{
 "throw"      { return KtTokens.THROW_KEYWORD ;}
 "false"      { return KtTokens.FALSE_KEYWORD ;}
 "super"      { return KtTokens.SUPER_KEYWORD ;}
+"yield"      { return KtTokens.YIELD_KEYWORD ;}
 "when"       { return KtTokens.WHEN_KEYWORD ;}
 "true"       { return KtTokens.TRUE_KEYWORD ;}
 "this"       { return KtTokens.THIS_KEYWORD ;}

compiler/frontend/src/org/jetbrains/kotlin/lexer/KtTokens.java

@@ -77,6 +77,9 @@ public interface KtTokens {
     KtKeywordToken WHEN_KEYWORD             = KtKeywordToken.keyword("when");
     KtKeywordToken INTERFACE_KEYWORD        = KtKeywordToken.keyword("interface");
 
+    // Reserved for future use:
+    KtKeywordToken YIELD_KEYWORD            = KtKeywordToken.keyword("yield");
+
     KtToken AS_SAFE = KtKeywordToken.keyword("AS_SAFE");//new KtToken("as?");
 
     KtToken IDENTIFIER = new KtToken("IDENTIFIER");
@@ -188,7 +191,8 @@ public interface KtTokens {
                                         TRUE_KEYWORD, FALSE_KEYWORD, IS_KEYWORD,
                                         IN_KEYWORD, THROW_KEYWORD, RETURN_KEYWORD, BREAK_KEYWORD, CONTINUE_KEYWORD, OBJECT_KEYWORD, IF_KEYWORD,
                                         ELSE_KEYWORD, WHILE_KEYWORD, DO_KEYWORD, TRY_KEYWORD, WHEN_KEYWORD,
-                                        NOT_IN, NOT_IS, AS_SAFE
+                                        NOT_IN, NOT_IS, AS_SAFE,
+                                        YIELD_KEYWORD
     );
 
     TokenSet SOFT_KEYWORDS = TokenSet.create(FILE_KEYWORD, IMPORT_KEYWORD, WHERE_KEYWORD, BY_KEYWORD, GET_KEYWORD,