12 files changed, 116 insertions, 1 deletions

diff --git a/src/astnode.h b/src/astnode.h
index 3344ca2..a345a56 100644
--- a/src/astnode.h
+++ b/src/astnode.h
@@ -9,6 +9,24 @@ public:
         AstNode();
         virtual ~AstNode();
 
+        enum Type
+        {
+                tValue                          = 0x01000000,
+                tBranch                         = 0x02000000,
+                tScope                          = 0x02000001,
+                tIf                                     = 0x02000002,
+                tElse                           = 0x02000003,
+                tNot                            = 0x00000004,
+                tComp                           = 0x02000005,
+                tCompGt                         = 0x02000006,
+                tCompLt                         = 0x02000007,
+                tCompGtEq                       = 0x02000008,
+                tCompLtEq                       = 0x02000009,
+                tStore                          = 0x0200000A,
+                tAnd                            = 0x0200000B,
+                tOr                                     = 0x0200000C,
+        };
+
 private:
 };
 
diff --git a/src/environment.cpp b/src/environment.cpp
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/environment.cpp
diff --git a/src/environment.h b/src/environment.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/environment.h
diff --git a/src/function.cpp b/src/function.cpp
new file mode 100644
index 0000000..e89a06f
--- /dev/null
+++ b/src/function.cpp
@@ -0,0 +1,10 @@
+#include "function.h"
+
+Function::Function()
+{
+}
+
+Function::~Function()
+{
+}
+
diff --git a/src/function.h b/src/function.h
new file mode 100644
index 0000000..1191129
--- /dev/null
+++ b/src/function.h
@@ -0,0 +1,17 @@
+#ifndef FUNCTION_H
+#define FUNCTION_H
+
+#include <bu/string.h>
+#include "variable.h"
+
+class Function
+{
+public:
+        Function();
+        virtual ~Function();
+
+        virtual Bu::String getName() const=0;
+        virtual Variable call( const VariableList &lParams )=0;
+};
+
+#endif
diff --git a/src/scope.cpp b/src/scope.cpp
new file mode 100644
index 0000000..45d4484
--- /dev/null
+++ b/src/scope.cpp
@@ -0,0 +1,10 @@
+#include "scope.h"
+
+Scope::Scope()
+{
+}
+
+Scope::~Scope()
+{
+}
+
diff --git a/src/scope.h b/src/scope.h
new file mode 100644
index 0000000..84797f0
--- /dev/null
+++ b/src/scope.h
@@ -0,0 +1,16 @@
+#ifndef SCOPE_H
+#define SCOPE_H
+
+#include "variable.h"
+
+class Scope
+{
+public:
+        Scope();
+        virtual ~Scope();
+
+private:
+        VariableHash hVars;
+};
+
+#endif
diff --git a/src/situation.cpp b/src/situation.cpp
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/situation.cpp
diff --git a/src/situation.h b/src/situation.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/situation.h
diff --git a/src/userfunction.cpp b/src/userfunction.cpp
new file mode 100644
index 0000000..3bdd973
--- /dev/null
+++ b/src/userfunction.cpp
@@ -0,0 +1,21 @@
+#include "userfunction.h"
+
+UserFunction::UserFunction( const Bu::String &sName, const AstNode &anRoot ) :
+        sName( sName )
+{
+}
+
+UserFunction::~UserFunction()
+{
+}
+
+Bu::String UserFunction::getName() const
+{
+        return sName;
+}
+
+Variable UserFunction::call( const VariableList &lParams )
+{
+        return Variable( Variable::tNull );
+}
+
diff --git a/src/userfunction.h b/src/userfunction.h
new file mode 100644
index 0000000..67b96cc
--- /dev/null
+++ b/src/userfunction.h
@@ -0,0 +1,21 @@
+#ifndef USER_FUNCTION_H
+#define USER_FUNCTION_H
+
+#include "function.h"
+
+class AstNode;
+
+class UserFunction : public Function
+{
+public:
+        UserFunction( const Bu::String &sName, const AstNode &anRoot );
+        virtual ~UserFunction();
+
+        virtual Bu::String getName() const;
+        virtual Variable call( const VariableList &lParams );
+
+private:
+        Bu::String sName;
+};
+
+#endif
diff --git a/src/variable.h b/src/variable.h
index 67f35c8..c728718 100644
--- a/src/variable.h
+++ b/src/variable.h
@@ -76,7 +76,9 @@ namespace Bu
 {
         template<> uint32_t __calcHashCode<Variable>( const Variable &k );
         template<> bool __cmpHashKeys<Variable>( const Variable &a, const Variable &b );
-}
+};
 
+typedef Bu::List<Variable> VariableList;
+typedef Bu::Hash<Bu::String, Variable> VariableHash;
 
 #endif