keywords are not name-elements in command-expressions

plugins/groovy/src/org/jetbrains/plugins/groovy/lang/parser/parsing/statements/expressions/ExpressionStatement.java

@@ -142,6 +142,7 @@ public class ExpressionStatement implements GroovyElementTypes {
 
   private static GroovyElementType namePartParse(PsiBuilder builder, GroovyParser parser) {
     if (BINARY_OP_SET.contains(builder.getTokenType())) return WRONGWAY;
+    if (KEYWORDS.contains(builder.getTokenType())) return WRONGWAY;
     final GroovyElementType type = PathExpression.namePartParse(builder, parser);
     if (type == WRONGWAY && NUMBERS.contains(builder.getTokenType())) {
       builder.advanceLexer();

plugins/groovy/test/org/jetbrains/plugins/groovy/lang/parser/ExpressionsParsingTest.groovy

@@ -278,6 +278,7 @@ public class ExpressionsParsingTest extends GroovyParsingTestCase {
   public void testcommandExpr$in() {doTest()}
   public void testcommandExpr$as() {doTest()}
   public void testcommandExpr$arrayAccess() {doTest()}
+  public void testcommandExpr$keywords() {doTest()}
 
   public void testDiamond() {doTest()}
 }

plugins/groovy/testdata/parsing/groovy/expressions/commandExpr/keywords.test

@@ -0,0 +1,28 @@
+if (true) print "foo" else print "bar"
+-----
+Groovy script
+  IF statement
+    PsiElement(if)('if')
+    PsiWhiteSpace(' ')
+    PsiElement(()('(')
+    Literal
+      PsiElement(true)('true')
+    PsiElement())(')')
+    PsiWhiteSpace(' ')
+    Call expression
+      Reference expression
+        PsiElement(identifier)('print')
+      PsiWhiteSpace(' ')
+      Command arguments
+        Literal
+          PsiElement(Gstring)('"foo"')
+    PsiWhiteSpace(' ')
+    PsiElement(else)('else')
+    PsiWhiteSpace(' ')
+    Call expression
+      Reference expression
+        PsiElement(identifier)('print')
+      PsiWhiteSpace(' ')
+      Command arguments
+        Literal
+          PsiElement(Gstring)('"bar"')