From caa5d3cc95b321951db05355f2535949855d315d Mon Sep 17 00:00:00 2001
From: Maxim Shafirov <max@maxbook.local>
Date: Mon, 10 Jan 2011 01:56:18 +0300
Subject: [PATCH] Argument node

---
 .../jetbrains/jet/lang/psi/JetArgument.java    | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/idea/src/org/jetbrains/jet/lang/psi/JetArgument.java b/idea/src/org/jetbrains/jet/lang/psi/JetArgument.java
index 4d6a3f26b28..7b39b0810b0 100644
--- a/idea/src/org/jetbrains/jet/lang/psi/JetArgument.java
+++ b/idea/src/org/jetbrains/jet/lang/psi/JetArgument.java
@@ -3,6 +3,7 @@ package org.jetbrains.jet.lang.psi;
 import com.intellij.lang.ASTNode;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.lexer.JetTokens;
 
 /**
  * @author max
@@ -20,4 +21,21 @@ public class JetArgument extends JetElement {
     public JetExpression getArgumentExpression() {
         return findChildByClass(JetExpression.class);
     }
+
+    public String getArgumentName() {
+        ASTNode firstChildNode = getNode().getFirstChildNode();
+        return firstChildNode.getElementType() == JetTokens.IDENTIFIER ? firstChildNode.getText() : null;
+    }
+
+    public boolean isNamed() {
+        return getArgumentName() != null;
+    }
+
+    public boolean isOut() {
+        return findChildByType(JetTokens.OUT_KEYWORD) != null;
+    }
+
+    public boolean isRef() {
+        return findChildByType(JetTokens.REF_KEYWORD) != null;
+    }
 }