PSI: Move getEqualsToken() method to JetDeclarationWithBody

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetDeclarationWithBody.java

@@ -16,16 +16,19 @@
 
 package org.jetbrains.jet.lang.psi;
 
+import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
 
 public interface JetDeclarationWithBody extends JetDeclaration {
-
     @Nullable
     JetExpression getBodyExpression();
 
+    @Nullable
+    PsiElement getEqualsToken();
+
     @Override
     @Nullable
     String getName();

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetFunctionLiteral.java

@@ -52,6 +52,12 @@ public class JetFunctionLiteral extends JetFunctionNotStubbed {
         return (JetBlockExpression) super.getBodyExpression();
     }
 
+    @Nullable
+    @Override
+    public PsiElement getEqualsToken() {
+        return null;
+    }
+
     @NotNull
     public PsiElement getLBrace() {
         return findChildByType(JetTokens.LBRACE);

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetNamedFunction.java

@@ -77,6 +77,7 @@ public class JetNamedFunction extends JetTypeParameterListOwnerStub<KotlinFuncti
         return getEqualsToken() == null;
     }
 
+    @Override
     @Nullable
     public PsiElement getEqualsToken() {
         return findChildByType(JetTokens.EQ);

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetPropertyAccessor.java

@@ -98,6 +98,7 @@ public class JetPropertyAccessor extends JetDeclarationStub<KotlinPropertyAccess
         return getBodyExpression() != null;
     }
 
+    @Override
     @Nullable
     public PsiElement getEqualsToken() {
         return findChildByType(JetTokens.EQ);