m3 is copied into trunk, we should be good to go, now.

1 files changed, 44 insertions, 0 deletions

diff --git a/src/ast.h b/src/ast.h
new file mode 100644
index 0000000..a4f9361
--- /dev/null
+++ b/src/ast.h
@@ -0,0 +1,44 @@
+#ifndef AST_H
+#define AST_H
+
+#include "bu/list.h"
+#include "bu/stack.h"
+#include "bu/fstring.h"
+#include "bu/formatter.h"
+
+#include "astnode.h"
+
+/**
+ * Abstract Symbol Tree.  This is the thing that the parser builds for us.  In
+ * the end, this is also what we "run" when we run build files.
+ */
+class Ast
+{
+public:
+        typedef Bu::List<AstNode *> NodeList;
+        Ast();
+        virtual ~Ast();
+
+        void addNode( AstNode::Type eType );
+        void addNode( AstNode::Type eType, int iVal );
+        void addNode( AstNode::Type eType, float fVal );
+        void addNode( AstNode::Type eType, bool bVal );
+        void addNode( AstNode::Type eType, const Bu::FString &sVal );
+        void addNode( AstNode::Type eType, const char *sVal );
+        void addNode( AstNode *pNode );
+
+        void openBranch();
+
+        void closeNode();
+
+        NodeList::const_iterator getNodeBegin() const;
+
+private:
+        NodeList lNode;
+        typedef Bu::Stack<class AstBranch *> BranchStack;
+        BranchStack sBranch;
+};
+
+Bu::Formatter &operator<<( Bu::Formatter &f, const Ast &a );
+
+#endif