From 9de64375e03b24ea46d36cec222150754e3818cb Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 5 Dec 2007 15:21:01 +0000
Subject: [PATCH] Store the failed key in KeyError

---
 source/core/except.cpp | 5 +++++
 source/core/except.h   | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/source/core/except.cpp b/source/core/except.cpp
index 245bc05..4b6e465 100644
--- a/source/core/except.cpp
+++ b/source/core/except.cpp
@@ -24,6 +24,11 @@ SystemError::SystemError(const string &w_, int e):
 	err(e)
 { }
 
+KeyError::KeyError(const string &w_, const string &k):
+	Exception(w_+" ("+k+")"),
+	key(k)
+{ }
+
 string SystemError::build_what(const string &w, int e)
 {
 	ostringstream buf;
diff --git a/source/core/except.h b/source/core/except.h
index d030c41..a18e028 100644
--- a/source/core/except.h
+++ b/source/core/except.h
@@ -46,6 +46,10 @@ class KeyError: public Exception
 {
 public:
 	KeyError(const std::string &w_): Exception(w_) { }
+	KeyError(const std::string &w_, const std::string &k) { }
+	const std::string &get_key() const { return key; }
+private:
+	std::string key;
 };
 
 /**
-- 
2.43.0