From efcba540b1c90974a2dc70eb34a73a54744666dd Mon Sep 17 00:00:00 2001
From: yhirose <yuji.hirose.bug@gmail.com>
Date: Tue, 4 Aug 2015 13:04:58 -0400
Subject: [PATCH] Fixed debuger problems.

---
 language/main.cc | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/language/main.cc b/language/main.cc
index cb6318e..311aa68 100644
--- a/language/main.cc
+++ b/language/main.cc
@@ -101,9 +101,9 @@ struct CommandLineDebugger
     }
 
     shared_ptr<Ast> find_function_node(const Ast& ast) {
-        auto node = ast.parent_node;
-        while (node->parent_node && node->tag != "FUNCTION"_) {
-            node = node->parent_node;
+        auto node = ast.parent;
+        while (node->parent && node->tag != "FUNCTION"_) {
+            node = node->parent;
         }
         return node;
     }
@@ -138,8 +138,12 @@ struct CommandLineDebugger
         set<string> references;
         enum_identifiers(*node, references);
         for (const auto& symbol: references) {
-            const auto& val = env.get(symbol);
-            cout << symbol << ": " << val.str() << endl;
+            if (env.has(symbol)) {
+                const auto& val = env.get(symbol);
+                if (val.type != Value::Function) {
+                    cout << symbol << ": " << val.str() << endl;
+                }
+            }
         }
     }