From 47581d5e17f8b2e250efd93e3056c0745a9afa56 Mon Sep 17 00:00:00 2001
From: Maxim Shafirov <max@maxbook.labs.intellij.net>
Date: Mon, 10 Jan 2011 15:50:04 +0300
Subject: [PATCH] Parameter node getters

---
 .../jetbrains/jet/lang/psi/JetParameter.java  | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/idea/src/org/jetbrains/jet/lang/psi/JetParameter.java b/idea/src/org/jetbrains/jet/lang/psi/JetParameter.java
index be0fd9357e6..00819e39abb 100644
--- a/idea/src/org/jetbrains/jet/lang/psi/JetParameter.java
+++ b/idea/src/org/jetbrains/jet/lang/psi/JetParameter.java
@@ -4,6 +4,7 @@ import com.intellij.lang.ASTNode;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.JetNodeTypes;
+import org.jetbrains.jet.lexer.JetTokens;
 
 /**
  * @author max
@@ -22,4 +23,29 @@ public class JetParameter extends JetNamedDeclaration {
     public JetTypeReference getTypeReference() {
         return (JetTypeReference) findChildByType(JetNodeTypes.TYPE_REFERENCE);
     }
+
+    @Nullable
+    public JetExpression getDefaultValue() {
+        boolean passedEQ = false;
+        ASTNode child = getNode().getFirstChildNode();
+        while (child != null) {
+            if (child.getElementType() == JetTokens.EQ) passedEQ = true;
+            if (passedEQ && child.getPsi() instanceof JetExpression) {
+                return (JetExpression) child.getPsi();
+            }
+            child = child.getTreeNext();
+        }
+
+        return null;
+    }
+
+    public boolean isOut() {
+        JetModifierList modifierList = getModifierList();
+        return modifierList != null && modifierList.hasModifier(JetTokens.OUT_KEYWORD);
+    }
+
+    public boolean isRef() {
+        JetModifierList modifierList = getModifierList();
+        return modifierList != null && modifierList.hasModifier(JetTokens.REF_KEYWORD);
+    }
 }