From 2909f50d008920568f0e50da760b266388ccc124 Mon Sep 17 00:00:00 2001
From: Mike Buland <mike@xagasoft.com>
Date: Mon, 22 Apr 2013 13:05:22 -0600
Subject: There is now a parser & calculator interface.

---
 src/parser.h | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/parser.h

(limited to 'src/parser.h')

diff --git a/src/parser.h b/src/parser.h
new file mode 100644
index 0000000..5563613
--- /dev/null
+++ b/src/parser.h
@@ -0,0 +1,35 @@
+#ifndef PARSER_H
+#define PARSER_H
+
+#include <bu/list.h>
+#include "token.h"
+
+namespace Bu
+{
+    class Stream;
+};
+
+class Lexer;
+
+class Parser
+{
+public:
+    Parser( Lexer &lex, Bu::Stream &rOut );
+    virtual ~Parser();
+
+    void parse();
+
+private:
+    void unwind();
+    int reqTokens( Token::Type eType );
+    int getPriority( Token::Type eType );
+
+private:
+    Lexer &lex;
+    Bu::Stream &rOut;
+    typedef Bu::List<Token> TokenStack;
+    TokenStack tsTerminal;
+    TokenStack tsNonTerminal;
+};
+
+#endif
-- 
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