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 <stdio.h>
  10 #include <string.h>
  11 #include <limits.h>
  12 #include <sys/types.h>
  13
  14 #include "debugger.h"
  15
  16 #include <stdarg.h>
  17
  18 #define MAX_DISPLAY 25
  19
  20 struct display
  21 {
  22   struct expr * exp;
  23   int           count;
  24   char          format;
  25 };
  26
  27 static struct display displaypoints[MAX_DISPLAY];
  28
  29 int
  30 DEBUG_AddDisplay(struct expr * exp, int count, char format)
  31 {
  32   int i;
  33
  34   /*
  35    * First find a slot where we can store this display.
  36    */
  37   for(i=0; i < MAX_DISPLAY; i++ )
  38     {
  39       if( displaypoints[i].exp == NULL )
  40         {
  41           displaypoints[i].exp = DEBUG_CloneExpr(exp);
  42           displaypoints[i].count  = count;
  43           displaypoints[i].format = format;
  44           break;
  45         }
  46     }
  47
  48   return TRUE;
  49 }
  50
  51 int
  52 DEBUG_InfoDisplay(void)
  53 {
  54   int i;
  55
  56   /*
  57    * First find a slot where we can store this display.
  58    */
  59   for(i=0; i < MAX_DISPLAY; i++ )
  60     {
  61       if( displaypoints[i].exp != NULL )
  62         {
  63           fprintf(stderr, "%d : ", i+1);
  64           DEBUG_DisplayExpr(displaypoints[i].exp);
  65           fprintf(stderr, "\n");
  66         }
  67     }
  68
  69   return TRUE;
  70 }
  71
  72 int
  73 DEBUG_DoDisplay(void)
  74 {
  75   DBG_VALUE     value;
  76   int           i;
  77
  78   /*
  79    * First find a slot where we can store this display.
  80    */
  81   for(i=0; i < MAX_DISPLAY; i++ )
  82     {
  83       if( displaypoints[i].exp != NULL )
  84         {
  85           value = DEBUG_EvalExpr(displaypoints[i].exp);
  86           if( value.type == NULL )
  87             {
  88               fprintf(stderr, "Unable to evaluate expression ");
  89               DEBUG_DisplayExpr(displaypoints[i].exp);
  90               fprintf(stderr, "\nDisabling...\n");
  91               DEBUG_DelDisplay(i);
  92             }
  93           else
  94             {
  95               fprintf(stderr, "%d  : ", i + 1);
  96               DEBUG_DisplayExpr(displaypoints[i].exp);
  97               fprintf(stderr, " = ");
  98               if( displaypoints[i].format == 'i' )
  99                 {
 100                   DEBUG_ExamineMemory( &value,
 101                                        displaypoints[i].count,
 102                                        displaypoints[i].format);
 103                 }
 104               else
 105                 {
 106                   DEBUG_Print( &value,
 107                                displaypoints[i].count,
 108                                displaypoints[i].format, 0);
 109                 }
 110             }
 111         }
 112     }
 113
 114   return TRUE;
 115 }
 116
 117 int
 118 DEBUG_DelDisplay(int displaynum)
 119 {
 120   int i;
 121
 122   if( displaynum >= MAX_DISPLAY || displaynum == 0 || displaynum < -1 )
 123     {
 124       fprintf(stderr, "Invalid display number\n");
 125       return TRUE;
 126     }
 127   if( displaynum == -1 )
 128     {
 129       for(i=0; i < MAX_DISPLAY; i++ )
 130         {
 131           if( displaypoints[i].exp != NULL )
 132             {
 133               DEBUG_FreeExpr(displaypoints[i].exp);
 134               displaypoints[i].exp = NULL;
 135             }
 136         }
 137     }
 138   else if( displaypoints[displaynum - 1].exp != NULL )
 139     {
 140       DEBUG_FreeExpr(displaypoints[displaynum - 1].exp);
 141       displaypoints[displaynum - 1].exp = NULL;
 142     }
 143   return TRUE;
 144 }