debugger/display.c

   1 /*
   2  * File display.c - display handling for Wine internal debugger.
   3  *
   4  * Copyright (C) 1997, Eric Youngdale.
   5  *
   6  */
   7
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <limits.h>
  11 #include <sys/types.h>
  12
  13 #include "debugger.h"
  14
  15 #include <stdarg.h>
  16
  17 #define MAX_DISPLAY 25
  18
  19 struct display
  20 {
  21   struct expr * exp;
  22   int           count;
  23   char          format;
  24 };
  25
  26 static struct display displaypoints[MAX_DISPLAY];
  27
  28 int
  29 DEBUG_AddDisplay(struct expr * exp, int count, char format)
  30 {
  31   int i;
  32
  33   /*
  34    * First find a slot where we can store this display.
  35    */
  36   for(i=0; i < MAX_DISPLAY; i++ )
  37     {
  38       if( displaypoints[i].exp == NULL )
  39         {
  40           displaypoints[i].exp = DEBUG_CloneExpr(exp);
  41           displaypoints[i].count  = count;
  42           displaypoints[i].format = format;
  43           break;
  44         }
  45     }
  46
  47   return TRUE;
  48 }
  49
  50 int
  51 DEBUG_InfoDisplay(void)
  52 {
  53   int i;
  54
  55   /*
  56    * First find a slot where we can store this display.
  57    */
  58   for(i=0; i < MAX_DISPLAY; i++ )
  59     {
  60       if( displaypoints[i].exp != NULL )
  61         {
  62           DEBUG_Printf(DBG_CHN_MESG, "%d : ", i+1);
  63           DEBUG_DisplayExpr(displaypoints[i].exp);
  64           DEBUG_Printf(DBG_CHN_MESG, "\n");
  65         }
  66     }
  67
  68   return TRUE;
  69 }
  70
  71 int
  72 DEBUG_DoDisplay(void)
  73 {
  74   DBG_VALUE     value;
  75   int           i;
  76
  77   /*
  78    * First find a slot where we can store this display.
  79    */
  80   for(i=0; i < MAX_DISPLAY; i++ )
  81     {
  82       if( displaypoints[i].exp != NULL )
  83         {
  84           value = DEBUG_EvalExpr(displaypoints[i].exp);
  85           if( value.type == NULL )
  86             {
  87               DEBUG_Printf(DBG_CHN_MESG, "Unable to evaluate expression ");
  88               DEBUG_DisplayExpr(displaypoints[i].exp);
  89               DEBUG_Printf(DBG_CHN_MESG, "\nDisabling...\n");
  90               DEBUG_DelDisplay(i);
  91             }
  92           else
  93             {
  94               DEBUG_Printf(DBG_CHN_MESG, "%d  : ", i + 1);
  95               DEBUG_DisplayExpr(displaypoints[i].exp);
  96               DEBUG_Printf(DBG_CHN_MESG, " = ");
  97               if( displaypoints[i].format == 'i' )
  98                 {
  99                   DEBUG_ExamineMemory( &value,
 100                                        displaypoints[i].count,
 101                                        displaypoints[i].format);
 102                 }
 103               else
 104                 {
 105                   DEBUG_Print( &value,
 106                                displaypoints[i].count,
 107                                displaypoints[i].format, 0);
 108                 }
 109             }
 110         }
 111     }
 112
 113   return TRUE;
 114 }
 115
 116 int
 117 DEBUG_DelDisplay(int displaynum)
 118 {
 119   int i;
 120
 121   if( displaynum >= MAX_DISPLAY || displaynum == 0 || displaynum < -1 )
 122     {
 123       DEBUG_Printf(DBG_CHN_MESG, "Invalid display number\n");
 124       return TRUE;
 125     }
 126   if( displaynum == -1 )
 127     {
 128       for(i=0; i < MAX_DISPLAY; i++ )
 129         {
 130           if( displaypoints[i].exp != NULL )
 131             {
 132               DEBUG_FreeExpr(displaypoints[i].exp);
 133               displaypoints[i].exp = NULL;
 134             }
 135         }
 136     }
 137   else if( displaypoints[displaynum - 1].exp != NULL )
 138     {
 139       DEBUG_FreeExpr(displaypoints[displaynum - 1].exp);
 140       displaypoints[displaynum - 1].exp = NULL;
 141     }
 142   return TRUE;
 143 }