/*
*         OpenPBS (Portable Batch System) v2.3 Software License
*
* Copyright (c) 1999-2000 Veridian Information Solutions, Inc.
* All rights reserved.
*
* ---------------------------------------------------------------------------
* For a license to use or redistribute the OpenPBS software under conditions
* other than those described below, or to purchase support for this software,
* please contact Veridian Systems, PBS Products Department ("Licensor") at:
*
*    www.OpenPBS.org  +1 650 967-4675                  sales@OpenPBS.org
*                        877 902-4PBS (US toll-free)
* ---------------------------------------------------------------------------
*
* This license covers use of the OpenPBS v2.3 software (the "Software") at
* your site or location, and, for certain users, redistribution of the
* Software to other sites and locations.  Use and redistribution of
* OpenPBS v2.3 in source and binary forms, with or without modification,
* are permitted provided that all of the following conditions are met.
* After December 31, 2001, only conditions 3-6 must be met:
*
* 1. Commercial and/or non-commercial use of the Software is permitted
*    provided a current software registration is on file at www.OpenPBS.org.
*    If use of this software contributes to a publication, product, or
*    service, proper attribution must be given; see www.OpenPBS.org/credit.html
*
* 2. Redistribution in any form is only permitted for non-commercial,
*    non-profit purposes.  There can be no charge for the Software or any
*    software incorporating the Software.  Further, there can be no
*    expectation of revenue generated as a consequence of redistributing
*    the Software.
*
* 3. Any Redistribution of source code must retain the above copyright notice
*    and the acknowledgment contained in paragraph 6, this list of conditions
*    and the disclaimer contained in paragraph 7.
*
* 4. Any Redistribution in binary form must reproduce the above copyright
*    notice and the acknowledgment contained in paragraph 6, this list of
*    conditions and the disclaimer contained in paragraph 7 in the
*    documentation and/or other materials provided with the distribution.
*
* 5. Redistributions in any form must be accompanied by information on how to
*    obtain complete source code for the OpenPBS software and any
*    modifications and/or additions to the OpenPBS software.  The source code
*    must either be included in the distribution or be available for no more
*    than the cost of distribution plus a nominal fee, and all modifications
*    and additions to the Software must be freely redistributable by any party
*    (including Licensor) without restriction.
*
* 6. All advertising materials mentioning features or use of the Software must
*    display the following acknowledgment:
*
*     "This product includes software developed by NASA Ames Research Center,
*     Lawrence Livermore National Laboratory, and Veridian Information
*     Solutions, Inc.
*     Visit www.OpenPBS.org for OpenPBS software support,
*     products, and information."
*
* 7. DISCLAIMER OF WARRANTY
*
* THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT
* ARE EXPRESSLY DISCLAIMED.
*
* IN NO EVENT SHALL VERIDIAN CORPORATION, ITS AFFILIATED COMPANIES, OR THE
* U.S. GOVERNMENT OR ANY OF ITS AGENCIES BE LIABLE FOR ANY DIRECT OR 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.
*
* This license will be governed by the laws of the Commonwealth of Virginia,
* without reference to its choice of law rules.
*/

#include <pbs_config.h>   /* the master config generated by configure */

#ifndef _POSIX_SOURCE
#define _POSIX_SOURCE 1
#endif  /* _POSIX_SOURCE */

#include <stdio.h>
#include <ctype.h>
#include <malloc.h>
#include <string.h>
#include <setjmp.h>
#include <stdlib.h>

#include "SymTab.h"

static char ident[] = "@(#) $RCSfile$ $Revision$";
/* Global variables */
FILE *SymTabFpOut;

/* File Scope Variables */
static char * SymTabErrors[] =
  {
  "0 no such error msg",
  "1 illegal operation on empty SymTab",
  "2 nxp = NULL",
  "3 lexem ptr = NULL",
  "4 NodeNew error got returned NULL",
  "5 node not in SymTab",
  "6 lexem not in SymTab",
  "7 SymTabFpOut = NULL",
  ""
  };

static int SymTabMaxErrors = 9;

static char *SymTabName = "SymTab";

static int SymTabDF = 0;

static struct SYMTAB ST;

void SymTabInit(void)
  {
  SymTabCondPrint("SymTabInit");

  /* SymTabDF = 1; */

  /*
  ST.L = NULL:
  */
  SymTabKeyWordsInit();
  }


void
SymTabPutDF(int df)
  {
  SymTabCondPrint("SymTabPutDF");

  SymTabDF = df;
  }


void
SymTabCondPrint(char *str)
  {
  if (SymTabFpOut == NULL)
    SymTabErr(7);

  if (SymTabDF == 1)
    {
    fprintf(SymTabFpOut, "%s\t", SymTabName);
    fprintf(SymTabFpOut, "%s\n", str);
    }
  }

int SymTabIsEmpty(void)
  {
  SymTabCondPrint("SymTabIsEmpty");

  return(ST.L == NULL);
  }

void SymTabPrint(void)
  {
  if (SymTabFpOut == NULL)
    SymTabErr(7);

  fprintf(SymTabFpOut, "**SymTabPrint\n");

  ListPrint(ST.L);

  fprintf(SymTabFpOut, "**end of SymTabPrint\n");
  }


void SymTabInsertFront(nxp)
STEP nxp;
  {
  SymTabCondPrint("SymTabInsertFront");

  /*L can be NULL to insert to empty SymTab*/

  if (nxp == NULL) SymTabErr(2);

  ST.L = ListInsertFront(ST.L, nxp);
  }

void SymTabParamLink(funNp, parNp)
STEP funNp;
Np  parNp;
  {
  ListCondPrint("SymTabParamLink");

  /*L cannot be NULL */

  if (funNp == NULL) ListErr(2);

  if (parNp == NULL) ListErr(2);

  /*insert the param immed after FunNp-- insert front*/
  ListParamLink(funNp, parNp);
  }

void SymTabInsertSortedN(nxp)
STEP nxp;
  {
  SymTabCondPrint("SymTabInsertSortedN");

  /*L can be NULL to insert to empty SymTab*/

  if (nxp == NULL) SymTabErr(2);

  ST.L = ListInsertSortedN(ST.L, nxp);
  }


void
SymTabInsertSortedD(char *lexem, int typ, int lineDe, int leve, int funFla)
  {
  SymTabCondPrint("SymTabInsertSortedD");

  if (lexem == NULL)
    SymTabErr(3);

  /*L can be NULL to insert to empty SymTab*/

  ST.L = ListInsertSortedD(ST.L, lexem, typ, lineDe, leve, funFla);
  }

int SymTabIsMember(nxp)
STEP nxp;
  {

  SymTabCondPrint("SymTabIsMember");

  if (nxp == NULL)
    SymTabErr(2);

  return(ListIsMember(ST.L, nxp));
  }


STEP SymTabGetLast(void)
  {
  SymTabCondPrint("SymTabGetLast");

  return(ListGetLast(ST.L));
  }


STEP SymTabGetSucc(nxp)
STEP nxp;
  {
  SymTabCondPrint("SymTabGetSucc");

  if (ST.L == NULL)
    SymTabErr(1);

  if (nxp == NULL)
    SymTabErr(2);

  return(ListGetSucc(ST.L, nxp));

  }


void SymTabDeleteNode(nxp)
STEP nxp;
  {
  SymTabCondPrint("SymTabDeleteNode");

  if (ST.L == NULL)
    SymTabErr(1);

  if (nxp == NULL)
    SymTabErr(2);

  ST.L = ListDeleteNode(ST.L, nxp);

  }


void SymTabDelete(void)
  {
  SymTabCondPrint("SymTabDelete");

  ST.L = ListDelete(ST.L);
  }


STEP SymTabFindFunProtoByLexemeInProg(lexem)
char *lexem;
  {
  SymTabCondPrint("SymTabFindFunProtoByLexemeInProg");

  if (ST.L == NULL)
    return(NULL);

  if (lexem == NULL)
    SymTabErr(3);

  return((STEP) ListFindFunProtoByLexemeInProg(ST.L, lexem));

  /*NULL means not found*/
  }



STEP SymTabFindNodeByLexemeInProg(lexem)
char *lexem;
  {
  SymTabCondPrint("SymTabFindNodeByLexemeInProg");

  if (ST.L == NULL)
    return(NULL);

  if (lexem == NULL)
    SymTabErr(3);

  return((STEP) ListFindNodeByLexeme(ST.L, lexem));

  /*NULL means not found*/
  }


STEP SymTabFindNodeByLexemeInLevel(lexem, leve)
char *lexem;
int leve;
  {
  SymTabCondPrint("SymTabFindNodeByLexemeInLevel");

  if (ST.L == NULL)
    return(NULL);

  if (lexem == NULL)
    SymTabErr(3);

  return((STEP) ListFindNodeByLexemeInLevel(ST.L, lexem, leve));

  /*NULL means not found*/
  }

STEP SymTabFindNodeByLexemeAndTypeInLevel(lexem, leve, type, compare_func)
char *lexem;
int leve;
int     type;
int (*compare_func)();
  {
  SymTabCondPrint("SymTabFindNodeByLexemeInLevel");

  if (ST.L == NULL)
    return(NULL);

  if (lexem == NULL)
    SymTabErr(3);

  return((STEP) ListFindNodeByLexemeAndTypeInLevel(ST.L, lexem, leve, type, compare_func));

  /*NULL means not found*/
  }

STEP SymTabFindAnyNodeInLevelOfType(leve, type)
int leve;
int     type;
  {
  SymTabCondPrint("SymTabFindAnyNodeInLevelOfType");

  if (ST.L == NULL)
    return(NULL);


  return((STEP) ListFindAnyNodeInLevelOfType(ST.L, leve, type));

  /*NULL means not found*/
  }

void
SymTabDeleteLevel(int leve)
  {
  SymTabCondPrint("SymTabDeleteLevel");

  if (ST.L == NULL)
    return;

  ST.L = ListDeleteLevel(ST.L, leve);
  }

/*
 * Dont need to save any keywords.
 */
void SymTabKeyWordsInit(void)
  {

  char lexeme[LEXEMSZ];
  int type; /* Semantic type.
     * If this is function, retType.
     */
  int lineDef;
  int level;
  int funFlag; /*YES NO */

  Np nxp;

  SymTabCondPrint("SymTabKeyWordsInit");

  strcpy(lexeme, "endmarker");
  type = KEYWORDTYPE;
  lineDef = 1;
  level = 0;
  funFlag = NO;


  /*"dummymarker" must be first*/
  nxp = NodeNew(lexeme, type, lineDef, level, funFlag);
  SymTabInsertFront(nxp);
  }

STEP SymTabGetOrigin(void)
  {
  SymTabCondPrint("SymTabGetOrigin");

  return(ST.L);
  }

void
SymTabErr(int e)
  {
  if (SymTabFpOut == NULL)
    SymTabErr(7);

  fprintf(SymTabFpOut, "SymTabErr\n");

  if (e >= SymTabMaxErrors)
    e = 0;

  fprintf(SymTabFpOut, "rs: %s\n", SymTabErrors[e]);

  exit(1);
  }