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/* : : generated by proto : : */
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
/*
* Glenn Fowler
* AT&T Research
*
* homogenous stack routine definitions
*/
#ifndef _STACK_H
#if !defined(__PROTO__)
#include <prototyped.h>
#endif
#if !defined(__LINKAGE__)
#define __LINKAGE__ /* 2004-08-11 transition */
#endif
#define _STACK_H
typedef struct stacktable* STACK; /* stack pointer */
typedef struct stackposition STACKPOS; /* stack position */
struct stackblock /* stack block cell */
{
__V_** stack; /* actual stack */
struct stackblock* prev; /* previous block in list */
struct stackblock* next; /* next block in list */
};
struct stackposition /* stack position */
{
struct stackblock* block; /* current block pointer */
int index; /* index within current block */
};
struct stacktable /* stack information */
{
struct stackblock* blocks; /* stack table blocks */
__V_* error; /* error return value */
int size; /* size of each block */
STACKPOS position; /* current stack position */
};
/*
* map old names to new
*/
#define mkstack stackalloc
#define rmstack stackfree
#define clrstack stackclear
#define getstack stackget
#define pushstack stackpush
#define popstack stackpop
#define posstack stacktell
#if _BLD_ast && defined(__EXPORT__)
#undef __MANGLE__
#define __MANGLE__ __LINKAGE__ __EXPORT__
#endif
extern __MANGLE__ STACK stackalloc __PROTO__((int, __V_*));
extern __MANGLE__ void stackfree __PROTO__((STACK));
extern __MANGLE__ void stackclear __PROTO__((STACK));
extern __MANGLE__ __V_* stackget __PROTO__((STACK));
extern __MANGLE__ int stackpush __PROTO__((STACK, __V_*));
extern __MANGLE__ int stackpop __PROTO__((STACK));
extern __MANGLE__ void stacktell __PROTO__((STACK, int, STACKPOS*));
#undef __MANGLE__
#define __MANGLE__ __LINKAGE__
#endif
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