1*4887Schin 2*4887Schin /* : : generated by proto : : */ 3*4887Schin /*********************************************************************** 4*4887Schin * * 5*4887Schin * This software is part of the ast package * 6*4887Schin * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 7*4887Schin * and is licensed under the * 8*4887Schin * Common Public License, Version 1.0 * 9*4887Schin * by AT&T Knowledge Ventures * 10*4887Schin * * 11*4887Schin * A copy of the License is available at * 12*4887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 13*4887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 14*4887Schin * * 15*4887Schin * Information and Software Systems Research * 16*4887Schin * AT&T Research * 17*4887Schin * Florham Park NJ * 18*4887Schin * * 19*4887Schin * Glenn Fowler <gsf@research.att.com> * 20*4887Schin * David Korn <dgk@research.att.com> * 21*4887Schin * Phong Vo <kpv@research.att.com> * 22*4887Schin * * 23*4887Schin ***********************************************************************/ 24*4887Schin 25*4887Schin /* 26*4887Schin * Glenn Fowler 27*4887Schin * AT&T Research 28*4887Schin * 29*4887Schin * homogenous stack routine definitions 30*4887Schin */ 31*4887Schin 32*4887Schin #ifndef _STACK_H 33*4887Schin #if !defined(__PROTO__) 34*4887Schin #include <prototyped.h> 35*4887Schin #endif 36*4887Schin #if !defined(__LINKAGE__) 37*4887Schin #define __LINKAGE__ /* 2004-08-11 transition */ 38*4887Schin #endif 39*4887Schin 40*4887Schin #define _STACK_H 41*4887Schin 42*4887Schin typedef struct stacktable* STACK; /* stack pointer */ 43*4887Schin typedef struct stackposition STACKPOS; /* stack position */ 44*4887Schin 45*4887Schin struct stackblock /* stack block cell */ 46*4887Schin { 47*4887Schin __V_** stack; /* actual stack */ 48*4887Schin struct stackblock* prev; /* previous block in list */ 49*4887Schin struct stackblock* next; /* next block in list */ 50*4887Schin }; 51*4887Schin 52*4887Schin struct stackposition /* stack position */ 53*4887Schin { 54*4887Schin struct stackblock* block; /* current block pointer */ 55*4887Schin int index; /* index within current block */ 56*4887Schin }; 57*4887Schin 58*4887Schin struct stacktable /* stack information */ 59*4887Schin { 60*4887Schin struct stackblock* blocks; /* stack table blocks */ 61*4887Schin __V_* error; /* error return value */ 62*4887Schin int size; /* size of each block */ 63*4887Schin STACKPOS position; /* current stack position */ 64*4887Schin }; 65*4887Schin 66*4887Schin /* 67*4887Schin * map old names to new 68*4887Schin */ 69*4887Schin 70*4887Schin #define mkstack stackalloc 71*4887Schin #define rmstack stackfree 72*4887Schin #define clrstack stackclear 73*4887Schin #define getstack stackget 74*4887Schin #define pushstack stackpush 75*4887Schin #define popstack stackpop 76*4887Schin #define posstack stacktell 77*4887Schin 78*4887Schin #if _BLD_ast && defined(__EXPORT__) 79*4887Schin #undef __MANGLE__ 80*4887Schin #define __MANGLE__ __LINKAGE__ __EXPORT__ 81*4887Schin #endif 82*4887Schin 83*4887Schin extern __MANGLE__ STACK stackalloc __PROTO__((int, __V_*)); 84*4887Schin extern __MANGLE__ void stackfree __PROTO__((STACK)); 85*4887Schin extern __MANGLE__ void stackclear __PROTO__((STACK)); 86*4887Schin extern __MANGLE__ __V_* stackget __PROTO__((STACK)); 87*4887Schin extern __MANGLE__ int stackpush __PROTO__((STACK, __V_*)); 88*4887Schin extern __MANGLE__ int stackpop __PROTO__((STACK)); 89*4887Schin extern __MANGLE__ void stacktell __PROTO__((STACK, int, STACKPOS*)); 90*4887Schin 91*4887Schin #undef __MANGLE__ 92*4887Schin #define __MANGLE__ __LINKAGE__ 93*4887Schin 94*4887Schin #endif 95