GlobalNames.cpp

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/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved.    */
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/******************************************************************************/
/* REXX Kernel                                                                */
/*                                                                            */
/*   Save and Restore all global "name" strings                               */
/*                                                                            */
/******************************************************************************/
#include "RexxCore.h"
#include "DirectoryClass.hpp"
#include "ArrayClass.hpp"
void RexxMemory::createStrings()
/******************************************************************************/
/* Function:  Create all globally available string objects                    */
/******************************************************************************/
{
    // if we're calling this, then we're building the image.  Make sure the
    // global string directory is created first.
    globalStrings = new_directory();
                                       /* redefine the GLOBAL_NAME macro    */
                                       /* to create each of the strings     */
#undef GLOBAL_NAME
#if debug_encoding // debug encoding
    // Never had a PANIC
    #define GLOBAL_NAME(name, value) \
        OREF_##name = getGlobalName(value); \
        if (OREF_##name->getEncoding() != OREF_NULL && OREF_##name->getEncoding() != OREF_##name) printf("RexxMemory::createStrings PANIC string=%p encoding=%p %s\n", OREF_##name, OREF_##name->getEncoding(), OREF_##name->getStringData());
#else
    #define GLOBAL_NAME(name, value) OREF_##name = getGlobalName(value);
#endif
 
#include "GlobalNames.h"             /* now create the strings            */
}
 
 
RexxArray *RexxMemory::saveStrings()
/******************************************************************************/
/* Function:  Create all globally available string objects                    */
/******************************************************************************/
{
                                       /* redefine the GLOBAL_NAME macro    */
                                       /* to count the number of string     */
                                       /* objects we need to save           */
  #undef GLOBAL_NAME
  #define GLOBAL_NAME(name, value) stringCount++;
 
  size_t stringCount = 0;              /* no strings yet                    */
  #include "GlobalNames.h"             /* now create the strings            */
 
  // get an array to contain all of the string values
  RexxArray *stringArray = new_array(stringCount);
                                       /* redefine the GLOBAL_NAME macro    */
                                       /* to save each string in the array  */
                                       /* at its relative offset            */
  #undef GLOBAL_NAME
#if debug_encoding // debug encoding
  #define GLOBAL_NAME(name, value) \
      stringArray->put((RexxObject *)OREF_##name, stringCount); stringCount++; \
      if (OREF_##name->getEncoding() != OREF_NULL && OREF_##name->getEncoding() != OREF_##name) printf("RexxMemory::saveStrings PANIC string=%p encoding=%p %s\n", OREF_##name, OREF_##name->getEncoding(), OREF_##name->getStringData());
#else
  #define GLOBAL_NAME(name, value) stringArray->put((RexxObject *)OREF_##name, stringCount); stringCount++;
#endif
 
  stringCount = 1;                     /* start with the first string       */
  #include "GlobalNames.h"             /* now save the strings              */
 
  return stringArray;                  // and return the saved string array
}
 
void RexxMemory::restoreStrings(RexxArray *stringArray)
/******************************************************************************/
/* Function:  Create all globally available string objects                    */
/******************************************************************************/
{
                                       /* redefine the GLOBAL_NAME macro    */
                                       /* to create and give a count of the */
                                       /* strings created                   */
  #undef GLOBAL_NAME
#if debug_encoding // debug encoding
  // there is indeed a PANIC if I don't initialize text and encoding
  // initialize text and encoding to NULL (otherwise I have a non-NULL value which is an invalid pointer, don' know why)
  // #define GLOBAL_NAME(name, value) OREF_##name = *strings++;
  #define GLOBAL_NAME(name, value) \
      OREF_##name = *strings++; \
      if (OREF_##name->getEncoding() != OREF_NULL && OREF_##name->getEncoding() != OREF_##name) printf("RexxMemory::restoreStrings PANIC string=%p encoding=%p %s\n", OREF_##name, OREF_##name->getEncoding(), OREF_##name->getStringData()); \
      printf("RexxMemory::restoreStrings before initialize OREF_##name=%p text=%p encoding=%p %s\n", OREF_##name, OREF_##name->getText(), OREF_##name->getEncoding(), OREF_##name->getStringData()); \
      OREF_##name->setText(OREF_NULL); \
      OREF_##name->setEncoding(OREF_NULL);
#else
  #define GLOBAL_NAME(name, value) OREF_##name = *strings++;
#endif
 
  RexxString **strings = (RexxString **)stringArray->data();
  #include "GlobalNames.h"                 /* now restore the strings           */
}