134 lines
5.2 KiB
C
134 lines
5.2 KiB
C
/****************************************************************************
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* apps/interpreters/bas/auto.h
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*
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* Copyright (c) 1999-2014 Michael Haardt
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Adapted to NuttX and re-released under a 3-clause BSD license:
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*
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* Copyright (C) 2014 Gregory Nutt. All rights reserved.
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* Authors: Alan Carvalho de Assis <Alan Carvalho de Assis>
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* Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_EXAMPLES_BAS_AUTO_H
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#define __APPS_EXAMPLES_BAS_AUTO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include "programtypes.h"
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#include "var.h"
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct Auto
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{
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long int stackPointer;
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long int stackCapacity;
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long int framePointer;
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long int frameSize;
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struct Pc onerror;
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union AutoSlot *slot;
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long int erl;
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struct Pc erpc;
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struct Value err;
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struct Value lastdet;
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struct Pc begindata;
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int resumeable;
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struct Symbol *cur,*all; /* should be hung off the funcs/procs */
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};
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struct AutoFrameSlot
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{
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long int framePointer;
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long int frameSize;
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struct Pc pc;
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};
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struct AutoExceptionSlot
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{
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struct Pc onerror;
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int resumeable;
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};
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union AutoSlot
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{
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struct AutoFrameSlot retFrame;
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struct AutoExceptionSlot retException;
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struct Var var;
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};
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#include "token.h"
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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struct Auto *Auto_new(struct Auto *this);
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void Auto_destroy(struct Auto *this);
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struct Var *Auto_pushArg(struct Auto *this);
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void Auto_pushFuncRet(struct Auto *this, int firstarg, struct Pc *pc);
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void Auto_pushGosubRet(struct Auto *this, struct Pc *pc);
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struct Var *Auto_local(struct Auto *this, int l);
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int Auto_funcReturn(struct Auto *this, struct Pc *pc);
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int Auto_gosubReturn(struct Auto *this, struct Pc *pc);
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void Auto_frameToError(struct Auto *this, struct Program *program, struct Value *v);
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void Auto_setError(struct Auto *this, long int line, struct Pc *pc, struct Value *v);
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int Auto_find(struct Auto *this, struct Identifier *ident);
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int Auto_variable(struct Auto *this, const struct Identifier *ident);
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enum ValueType Auto_argType(const struct Auto *this, int l);
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enum ValueType Auto_varType(const struct Auto *this, struct Symbol *sym);
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void Auto_funcEnd(struct Auto *this);
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#endif /* __APPS_EXAMPLES_BAS_AUTO_H */
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