1 files changed, 42 insertions, 0 deletions
diff --git a/klm/lm/lm_exception.hh b/klm/lm/lm_exception.hh
new file mode 100644
index 00000000..1216c4c7
--- /dev/null
+++ b/klm/lm/lm_exception.hh
@@ -0,0 +1,42 @@
+#ifndef LM_LM_EXCEPTION__
+#define LM_LM_EXCEPTION__
+
+// Named to avoid conflict with util/exception.hh.  
+
+#include "util/exception.hh"
+#include "util/string_piece.hh"
+
+#include <exception>
+#include <string>
+
+namespace lm {
+
+class LoadException : public util::Exception {
+   public:
+      virtual ~LoadException() throw();
+
+   protected:
+      LoadException() throw();
+};
+
+class VocabLoadException : public LoadException {
+  public:
+    virtual ~VocabLoadException() throw();
+    VocabLoadException() throw();
+};
+
+class FormatLoadException : public LoadException {
+  public:
+    FormatLoadException() throw();
+    ~FormatLoadException() throw();
+};
+
+class SpecialWordMissingException : public VocabLoadException {
+  public:
+    explicit SpecialWordMissingException(StringPiece which) throw();
+    ~SpecialWordMissingException() throw();
+};
+
+} // namespace lm
+
+#endif // LM_LM_EXCEPTION