Adding support for interactive mode

1 files changed, 52 insertions, 0 deletions

diff --git a/src/main/interactive_shell.h b/src/main/interactive_shell.h
new file mode 100644
index 000000000..6bd9db295
--- /dev/null
+++ b/src/main/interactive_shell.h
@@ -0,0 +1,52 @@
+/*********************                                                        */
+/*! \file interactive_shell.h
+ ** \verbatim
+ ** Original author: cconway
+ ** Major contributors: 
+ ** Minor contributors (to current version): 
+ ** This file is part of the CVC4 prototype.
+ ** Copyright (c) 2009, 2010  The Analysis of Computer Systems Group (ACSys)
+ ** Courant Institute of Mathematical Sciences
+ ** New York University
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief Interactive shell for CVC4
+ **/
+
+#ifndef __CVC4__INTERACTIVE_SHELL_H
+#define __CVC4__INTERACTIVE_SHELL_H
+
+#include <iostream>
+#include <string>
+
+#include "parser/parser_builder.h"
+
+namespace CVC4 {
+
+  class Command;
+
+  using namespace parser;
+
+class InteractiveShell {
+  std::istream& d_in;
+  std::ostream& d_out;
+  ParserBuilder d_parserBuilder;
+
+public:
+  InteractiveShell(std::istream& in, 
+                   std::ostream& out, 
+                   ParserBuilder& parserBuilder) : 
+    d_in(in),
+    d_out(out),
+    d_parserBuilder(parserBuilder) {
+  }
+
+  /** Read a command from the interactive shell. This will read as
+      many lines as necessary to parse a well-formed command. */
+  Command *readCommand();
+};
+
+} // CVC4 namespace
+
+#endif // __CVC4__INTERACTIVE_SHELL_H