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/* asminclist.c */
/*****************************************************************************/
/* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only                     */
/*                                                                           */
/* AS-Portierung                                                             */
/*                                                                           */
/* Verwaltung der Include-Verschachtelungsliste                              */
/*                                                                           */
/*****************************************************************************/

#include "stdinc.h"
#include <string.h>

#include "strutil.h"
#include "chunks.h"
#include "nls.h"
#include "nlmessages.h"
#include "as.rsc"
#include "asmfnums.h"
#include "asmdef.h"
#include "asmsub.h"

#include "asminclist.h"


typedef struct sFileNode
{
  Integer Name;
  Integer Len;
  struct sFileNode *Parent;
  struct sFileNode **Subs;
} TFileNode, *PFileNode;
typedef struct sFileNode **PFileArray;

static PFileNode Root,Curr;


void PushInclude(char *S)
{
  PFileNode Neu;

  Neu = (PFileNode) malloc(sizeof(TFileNode));
  Neu->Name = GetFileNum(S);
  Neu->Len = 0;
  Neu->Subs = NULL;
  Neu->Parent = Curr;
  if (!Root)
    Root = Neu;
  if (!Curr)
    Curr = Neu;
  else
  {
    if (Curr->Len == 0)
      Curr->Subs = (PFileArray) malloc(sizeof(void *));
    else
      Curr->Subs = (PFileArray) realloc(Curr->Subs, sizeof(void *) * (Curr->Len + 1));
    Curr->Subs[Curr->Len++] = Neu;
    Curr = Neu;
  }
}

void PopInclude(void)
{
  if (Curr)
    Curr = Curr->Parent;
}

static void PrintIncludeList_PrintNode(PFileNode Node, int Indent)
{
  int z;
  String h;

  ChkStack();

  if (Node)
  {
    strmaxcpy(h, Blanks(Indent), STRINGSIZE);
    strmaxcat(h,GetFileName(Node->Name), STRINGSIZE);
    WrLstLine(h);
    for (z = 0; z < Node->Len; z++)
      PrintIncludeList_PrintNode(Node->Subs[z], Indent + 5);
  }
}

void PrintIncludeList(void)
{
  NewPage(ChapDepth, True);
  WrLstLine(getmessage(Num_ListIncludeListHead1));
  WrLstLine(getmessage(Num_ListIncludeListHead2));
  WrLstLine("");
  PrintIncludeList_PrintNode(Root, 0);
}

static void ClearIncludeList_ClearNode(PFileNode Node)
{
  int z;

  ChkStack();

  if (Node)
  {
    for (z = 0; z < Node->Len; ClearIncludeList_ClearNode(Node->Subs[z++]));
    if (Node->Len > 0)
      free(Node->Subs);
    free(Node);
  }
}

void ClearIncludeList(void)
{
  ClearIncludeList_ClearNode(Root);
  Curr = NULL;
  Root = NULL;
}

void asminclist_init(void)
{
  Root = NULL;
  Curr = NULL;
}