82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*
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This file is part of Warzone 2100.
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Copyright (C) 1999-2004 Eidos Interactive
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Copyright (C) 2005-2012 Warzone 2100 Project
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Warzone 2100 is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Warzone 2100 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* Stack.h
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*
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* Interface to the stack system
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*/
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#ifndef _stack_h
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#define _stack_h
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#include "interpreter.h"
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//String support
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//-----------------------------
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#define MAXSTRLEN 255 //Max len of a single string
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#define MAXSTACKLEN 8000
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/* Initialise the stack */
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extern bool stackInitialise(void);
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/* Shutdown the stack */
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extern void stackShutDown(void);
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/* Push a value onto the stack */
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extern bool stackPush(INTERP_VAL *psVal);
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/* Pop a value off the stack */
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extern bool stackPop(INTERP_VAL *psVal);
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/* Return pointer to the top value without poping it */
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extern bool stackPeekTop(INTERP_VAL **ppsVal);
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/* Pop a value off the stack, checking that the type matches what is passed in */
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extern bool stackPopType(INTERP_VAL *psVal);
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/* Look at a value on the stack without removing it.
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* index is how far down the stack to look.
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* Index 0 is the top entry on the stack.
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*/
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extern bool stackPeek(INTERP_VAL *psVal, UDWORD index);
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/* Print the top value on the stack */
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extern void stackPrintTop(void);
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/* Check if the stack is empty */
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extern bool stackEmpty(void);
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/* Do binary operations on the top of the stack
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* This effectively pops two values and pushes the result
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*/
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extern bool stackBinaryOp(OPCODE opcode);
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/* Perform a unary operation on the top of the stack
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* This effectively pops a value and pushes the result
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*/
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extern bool stackUnaryOp(OPCODE opcode);
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/* casts top of the stack to some other data type */
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extern bool stackCastTop(INTERP_TYPE neededType);
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/* Reset the stack to an empty state */
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extern void stackReset(void);
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#endif
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