src/squirrel/sqstdlib/sqstdaux.cpp

   1 /* see copyright notice in squirrel.h */
   2 #include <squirrel.h>
   3 #include <sqstdaux.h>
   4 #include <assert.h>
   5
   6 void sqstd_printcallstack(HSQUIRRELVM v)
   7 {
   8         SQPRINTFUNCTION pf = sq_getprintfunc(v);
   9         if(pf) {
  10                 SQStackInfos si;
  11                 SQInteger i;
  12                 SQFloat f;
  13                 const SQChar *s;
  14                 SQInteger level=1; //1 is to skip this function that is level 0
  15                 const SQChar *name=0;
  16                 SQInteger seq=0;
  17                 pf(v,_SC("\nCALLSTACK\n"));
  18                 while(SQ_SUCCEEDED(sq_stackinfos(v,level,&si)))
  19                 {
  20                         const SQChar *fn=_SC("unknown");
  21                         const SQChar *src=_SC("unknown");
  22                         if(si.funcname)fn=si.funcname;
  23                         if(si.source)src=si.source;
  24                         pf(v,_SC("*FUNCTION [%s()] %s line [%d]\n"),fn,src,si.line);
  25                         level++;
  26                 }
  27                 level=0;
  28                 pf(v,_SC("\nLOCALS\n"));
  29
  30                 for(level=0;level<10;level++){
  31                         seq=0;
  32                         while((name = sq_getlocal(v,level,seq)))
  33                         {
  34                                 seq++;
  35                                 switch(sq_gettype(v,-1))
  36                                 {
  37                                 case OT_NULL:
  38                                         pf(v,_SC("[%s] NULL\n"),name);
  39                                         break;
  40                                 case OT_INTEGER:
  41                                         sq_getinteger(v,-1,&i);
  42                                         pf(v,_SC("[%s] %d\n"),name,i);
  43                                         break;
  44                                 case OT_FLOAT:
  45                                         sq_getfloat(v,-1,&f);
  46                                         pf(v,_SC("[%s] %.14g\n"),name,f);
  47                                         break;
  48                                 case OT_USERPOINTER:
  49                                         pf(v,_SC("[%s] USERPOINTER\n"),name);
  50                                         break;
  51                                 case OT_STRING:
  52                                         sq_getstring(v,-1,&s);
  53                                         pf(v,_SC("[%s] \"%s\"\n"),name,s);
  54                                         break;
  55                                 case OT_TABLE:
  56                                         pf(v,_SC("[%s] TABLE\n"),name);
  57                                         break;
  58                                 case OT_ARRAY:
  59                                         pf(v,_SC("[%s] ARRAY\n"),name);
  60                                         break;
  61                                 case OT_CLOSURE:
  62                                         pf(v,_SC("[%s] CLOSURE\n"),name);
  63                                         break;
  64                                 case OT_NATIVECLOSURE:
  65                                         pf(v,_SC("[%s] NATIVECLOSURE\n"),name);
  66                                         break;
  67                                 case OT_GENERATOR:
  68                                         pf(v,_SC("[%s] NATIVECLOSURE\n"),name);
  69                                         break;
  70                                 case OT_USERDATA:
  71                                         pf(v,_SC("[%s] USERDATA\n"),name);
  72                                         break;
  73                                 case OT_THREAD:
  74                                         pf(v,_SC("[%s] THREAD\n"),name);
  75                                         break;
  76                                 case OT_CLASS:
  77                                         pf(v,_SC("[%s] CLASS\n"),name);
  78                                         break;
  79                                 case OT_INSTANCE:
  80                                         pf(v,_SC("[%s] INSTANCE\n"),name);
  81                                         break;
  82                                 case OT_WEAKREF:
  83                                         pf(v,_SC("[%s] INSTANCE\n"),name);
  84                                         break;
  85                                 case OT_BOOL:{
  86                                         sq_getinteger(v,-1,&i);
  87                                         pf(v,_SC("[%s] %s\n"),name,i?_SC("true"):_SC("false"));
  88                                                          }
  89                                         break;
  90                                 default: assert(0); break;
  91                                 }
  92                                 sq_pop(v,1);
  93                         }
  94                 }
  95         }
  96 }
  97
  98 static SQInteger _sqstd_aux_printerror(HSQUIRRELVM v)
  99 {
 100         SQPRINTFUNCTION pf = sq_getprintfunc(v);
 101         if(pf) {
 102                 const SQChar *sErr = 0;
 103                 if(sq_gettop(v)>=1) {
 104                         if(SQ_SUCCEEDED(sq_getstring(v,2,&sErr)))       {
 105                                 pf(v,_SC("\nAN ERROR HAS OCCURED [%s]\n"),sErr);
 106                         }
 107                         else{
 108                                 pf(v,_SC("\nAN ERROR HAS OCCURED [unknown]\n"));
 109                         }
 110                         sqstd_printcallstack(v);
 111                 }
 112         }
 113         return 0;
 114 }
 115
 116 void _sqstd_compiler_error(HSQUIRRELVM v,const SQChar *sErr,const SQChar *sSource,SQInteger line,SQInteger column)
 117 {
 118         SQPRINTFUNCTION pf = sq_getprintfunc(v);
 119         if(pf) {
 120                 pf(v,_SC("%s line = (%d) column = (%d) : error %s\n"),sSource,line,column,sErr);
 121         }
 122 }
 123
 124 void sqstd_seterrorhandlers(HSQUIRRELVM v)
 125 {
 126         sq_setcompilererrorhandler(v,_sqstd_compiler_error);
 127         sq_newclosure(v,_sqstd_aux_printerror,0);
 128         sq_seterrorhandler(v);
 129 }