soltools/cpp/_mcrvalid.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23
  24 #include "cpp.h"
  25
  26 void
  27 mvl_init(MacroValidatorList * out_pValidators)
  28 {
  29     out_pValidators->pFirst = NULL;
  30     out_pValidators->nextFreeIdentifier = 1;
  31 }
  32
  33 void
  34 mvl_destruct(MacroValidatorList * out_pValidators)
  35 {
  36     MacroValidator * pV = out_pValidators->pFirst;
  37     MacroValidator * pDel;
  38     for ( pDel = out_pValidators->pFirst;
  39           pDel != NULL;
  40           pDel = pV )
  41     {
  42         pV = pV->pNext;
  43
  44         pDel->pMacro->flag &= (~ISACTIVE);
  45         dofree(pDel);
  46     }
  47 }
  48
  49
  50 #define INVALID_TILL_ENDOFROW 32000
  51
  52 /*  If in_pTokenWhereMacroBecomesValid == 0, the macro is at row end
  53     and therefore there does not exist any token, where the macro becomes
  54     valid again. It is revalidated, when the row was processed complete.
  55 */
  56 void
  57 mvl_add( MacroValidatorList *   inout_pValidators,
  58          Nlist *                in_pMacro,
  59          Token *                in_pTokenWhereMacroBecomesValid )
  60 {
  61
  62     MacroValidator * pNew = new(MacroValidator);
  63     pNew->pMacro = in_pMacro;
  64
  65     if (in_pTokenWhereMacroBecomesValid == NULL)
  66     {
  67         pNew->nTokenWhereMacroBecomesValid = INVALID_TILL_ENDOFROW;
  68     }
  69     else if (in_pTokenWhereMacroBecomesValid->identifier > 0)
  70     {
  71         pNew->nTokenWhereMacroBecomesValid = in_pTokenWhereMacroBecomesValid->identifier;
  72     }
  73     else
  74     {
  75         pNew->nTokenWhereMacroBecomesValid = inout_pValidators->nextFreeIdentifier;
  76         in_pTokenWhereMacroBecomesValid->identifier = inout_pValidators->nextFreeIdentifier;
  77         inout_pValidators->nextFreeIdentifier++;
  78     }
  79
  80     pNew->pNext = inout_pValidators->pFirst;
  81     inout_pValidators->pFirst = pNew;
  82 }
  83
  84 void
  85 mvl_check(  MacroValidatorList * inout_pValidators,
  86             Token const *        inout_pTokenToCheck)
  87 {
  88     MacroValidator * pV;            /* Running pointer */
  89     MacroValidator * pCheckedOnes;  /* Here new list is built.  */
  90     pCheckedOnes = NULL;
  91
  92     for ( pV = inout_pValidators->pFirst;
  93           pV != NULL;
  94           pV = inout_pValidators->pFirst )
  95     {
  96         inout_pValidators->pFirst = pV->pNext;
  97
  98         if (pV->nTokenWhereMacroBecomesValid == inout_pTokenToCheck->identifier)
  99         {
 100             pV->pMacro->flag &= (~ISACTIVE);
 101             dofree(pV);
 102         }
 103         else
 104         {
 105             pV->pNext = pCheckedOnes;
 106             pCheckedOnes = pV;
 107         }
 108     }   /* end for  */
 109
 110     /* Assign new built list (too old ones were removed) to
 111        original list:
 112     */
 113     inout_pValidators->pFirst = pCheckedOnes;
 114 }
 115
 116
 117 void
 118 tokenrow_zeroTokenIdentifiers(Tokenrow* trp)
 119 {
 120     Token * tp;
 121     for (tp = trp->bp; tp < trp->lp; tp++)
 122     {
 123         tp->identifier = 0;
 124     }
 125 }
 126
 127 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */