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+/****************************************************************************
+ * apps/interpreters/bas/global.h
+ *
+ *   Copyright (c) 1999-2014 Michael Haardt
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Adapted to NuttX and re-released under a 3-clause BSD license:
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Authors: Alan Carvalho de Assis <Alan Carvalho de Assis>
+ *            Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __APPS_EXAMPLES_BAS_GLOBAL_H
+#define __APPS_EXAMPLES_BAS_GLOBAL_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include "token.h"
+#include "value.h"
+#include "var.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define GLOBAL_HASHSIZE 31
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+struct GlobalFunctionChain
+{
+  struct Pc begin,end;
+  struct GlobalFunctionChain *next;
+};
+
+struct Global
+{
+  struct String command;
+  struct Symbol *table[GLOBAL_HASHSIZE];
+  struct GlobalFunctionChain *chain;
+};
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+struct Global *Global_new(struct Global *this);
+void Global_destroy(struct Global *this);
+void Global_clear(struct Global *this);
+void Global_clearFunctions(struct Global *this);
+int Global_find(struct Global *this, struct Identifier *ident, int oparen);
+int Global_function(struct Global *this, struct Identifier *ident,
+                    enum ValueType type, struct Pc *deffn, struct Pc *begin,
+                    int argTypesLength, enum ValueType *argTypes);
+void Global_endfunction(struct Global *this, struct Identifier *ident,
+                        struct Pc *end);
+int Global_variable(struct Global *this, struct Identifier *ident,
+                    enum ValueType type, enum SymbolType symbolType,
+                    int redeclare);
+
+#endif /* __APPS_EXAMPLES_BAS_GLOBAL_H */