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/****************************************************************************
* apps/interpreters/bas/bas_auto.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_BAS_AUTO_H
#define __APPS_EXAMPLES_BAS_BAS_AUTO_H
/****************************************************************************
* Included Files
****************************************************************************/
#include "bas_programtypes.h"
#include "bas_var.h"
/****************************************************************************
* Public Types
****************************************************************************/
struct Auto
{
long int stackPointer;
long int stackCapacity;
long int framePointer;
long int frameSize;
struct Pc onerror;
union AutoSlot *slot;
long int erl;
struct Pc erpc;
struct Value err;
struct Value lastdet;
struct Pc begindata;
int resumeable;
struct Symbol *cur,*all; /* should be hung off the funcs/procs */
};
struct AutoFrameSlot
{
long int framePointer;
long int frameSize;
struct Pc pc;
};
struct AutoExceptionSlot
{
struct Pc onerror;
int resumeable;
};
union AutoSlot
{
struct AutoFrameSlot retFrame;
struct AutoExceptionSlot retException;
struct Var var;
};
#include "bas_token.h"
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
struct Auto *Auto_new(struct Auto *this);
void Auto_destroy(struct Auto *this);
struct Var *Auto_pushArg(struct Auto *this);
void Auto_pushFuncRet(struct Auto *this, int firstarg, struct Pc *pc);
void Auto_pushGosubRet(struct Auto *this, struct Pc *pc);
struct Var *Auto_local(struct Auto *this, int l);
int Auto_funcReturn(struct Auto *this, struct Pc *pc);
int Auto_gosubReturn(struct Auto *this, struct Pc *pc);
void Auto_frameToError(struct Auto *this, struct Program *program, struct Value *v);
void Auto_setError(struct Auto *this, long int line, struct Pc *pc, struct Value *v);
int Auto_find(struct Auto *this, struct Identifier *ident);
int Auto_variable(struct Auto *this, const struct Identifier *ident);
enum ValueType Auto_argType(const struct Auto *this, int l);
enum ValueType Auto_varType(const struct Auto *this, struct Symbol *sym);
void Auto_funcEnd(struct Auto *this);
#endif /* __APPS_EXAMPLES_BAS_BAS_AUTO_H */
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