From 435fe5da695f35581f03b5a739d2ed5e8f58842c Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Mon, 15 Mar 2004 14:01:05 +0000
Subject: *** empty log message ***

---
 sources/scalac/ast/TreeInfo.java | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'sources/scalac/ast/TreeInfo.java')

diff --git a/sources/scalac/ast/TreeInfo.java b/sources/scalac/ast/TreeInfo.java
index 2aa95f401c..b66b7d2357 100644
--- a/sources/scalac/ast/TreeInfo.java
+++ b/sources/scalac/ast/TreeInfo.java
@@ -191,6 +191,31 @@ public class TreeInfo {
 	}
     }
 
+    /** The symbol with name `name' imported from import clause `tree'.
+     */
+    public static Symbol importedSymbol(Tree tree, Name name) {
+	switch (tree) {
+	case Import(Tree expr, Name[] selectors):
+	    Type pre = tree.symbol().type();
+	    boolean renamed = false;
+	    for (int i = 0; i < selectors.length; i = i + 2) {
+		if (i + 1 < selectors.length && name.toTermName() == selectors[i + 1]) {
+		    if (name.isTypeName())
+			return pre.lookupNonPrivate(selectors[i].toTypeName());
+		    else
+			return pre.lookupNonPrivate(selectors[i]);
+		} else if (name.toTermName() == selectors[i]) {
+		    renamed = true;
+		} else if (selectors[i] == Names.IMPORT_WILDCARD && !renamed) {
+		    return pre.lookupNonPrivate(name);
+		}
+	    }
+	    return Symbol.NONE;
+	default:
+	    throw new ApplicationError();
+	}
+    }
+
 
       /** returns true if the tree is a sequence-valued pattern.
        *  precondition: tree is a pattern.
-- 
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