manes/error.cpp

   1 #include "arch/x86/console.h"
   2 #include "arch/x86/hlt.h"
   3 #include "error.h"
   4 #include "libs/string.h"
   5 using namespace manes;
   6
   7 error::error(const char *msg) : base_err(0), er_message(msg) {}
   8 error::error(error *er) : base_err(er) {}
   9 error::error(error *er, const char *msg) : base_err(er), er_message(msg) {}
  10
  11 void error::critical() {
  12         x = y = 0;
  13         er_print("Critical Quarn OS error has occurred!\n", arch::scr_red);
  14         for (error *er = this; er; er = er->base_err)
  15                 er_print(er->er_message, arch::scr_red);
  16         er_print("\nSystem is halted.", arch::scr_red);
  17
  18         halt_forever();
  19 }
  20
  21 void error::assertion() {
  22 #if DEBUG_MODE == CONF_YES
  23         x = 0;
  24         y = arch::last_y + 1;
  25         er_print("Assertion failed!\n", arch::scr_yellow);
  26         for (error *er = this; er; er = er->base_err)
  27                 er_print(er->er_message, arch::scr_yellow);
  28         er_print("\nPress any key to continue...", arch::scr_yellow);
  29         wait_key();
  30 #endif
  31 }
  32
  33 #if DEBUG_MODE == CONF_YES
  34 extern unsigned int last_call0;
  35 extern unsigned int last_call1;
  36 #endif
  37
  38 void error::debug() {
  39 #if DEBUG_MODE == CONF_YES
  40         x = 0;
  41         y = arch::last_y + 1;
  42         er_print("(", arch::scr_darkgray);
  43         for (error *er = this; er; er = er->base_err)
  44                 er_print(er->er_message, arch::scr_darkgray);
  45         er_print(((string)" [last call: 0x" + string(last_call0,true) + ", 0x" + string(last_call1,true) + "]"),arch::scr_darkgray);
  46         er_print(")", arch::scr_darkgray);
  47         wait_key();
  48 #endif
  49 }
  50
  51 void error::er_print(const char *message, arch::scr_color color) {
  52         assert("error: null error message", message == 0);
  53
  54         for (int i = 0; message[i] != 0; i++) {
  55
  56                 if (message[i] == '\n') {
  57                         y++;
  58                         x = 0;
  59                 } else {
  60                         arch::screen_print(message[i],color,x,y);
  61                         x++;
  62                 }
  63
  64                 y += x / arch::scr_width;
  65                 x = x % arch::scr_width;
  66         }
  67 }