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0
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1 /*
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2
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3 Package: dyncall
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4 Library: dyncall
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5 File: dyncall/dyncall_callf.c
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6 Description: formatted call C interface (extension module)
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7 License:
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8
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9 Copyright (c) 2007-2015 Daniel Adler <dadler@uni-goettingen.de>,
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10 Tassilo Philipp <tphilipp@potion-studios.com>
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11
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12 Permission to use, copy, modify, and distribute this software for any
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13 purpose with or without fee is hereby granted, provided that the above
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14 copyright notice and this permission notice appear in all copies.
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15
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16 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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17 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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18 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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19 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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20 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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21 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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22 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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23
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24 */
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25
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26
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27
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28 #include "dyncall_callf.h"
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29
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30
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31 // Shareable implementation for argument binding used in ArgF and CallF below.
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32 static void dcArgF_impl(DCCallVM* vm, const DCsigchar** sigptr, va_list args)
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33 {
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34 DCsigchar ch;
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35 dcReset(vm);
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36 while((ch=*(*sigptr)++) != '\0' && ch != DC_SIGCHAR_ENDARG) {
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37 switch(ch) {
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38 case DC_SIGCHAR_BOOL: dcArgBool (vm, (DCbool) va_arg(args, DCint )); break;
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39 case DC_SIGCHAR_CHAR: dcArgChar (vm, (DCchar) va_arg(args, DCint )); break;
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40 case DC_SIGCHAR_UCHAR: dcArgChar (vm, (DCchar)(DCuchar) va_arg(args, DCint )); break;
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41 case DC_SIGCHAR_SHORT: dcArgShort (vm, (DCshort) va_arg(args, DCint )); break;
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42 case DC_SIGCHAR_USHORT: dcArgShort (vm, (DCshort)(DCushort)va_arg(args, DCint )); break;
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43 case DC_SIGCHAR_INT: dcArgInt (vm, (DCint) va_arg(args, DCint )); break;
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44 case DC_SIGCHAR_UINT: dcArgInt (vm, (DCint)(DCuint) va_arg(args, DCint )); break;
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45 case DC_SIGCHAR_LONG: dcArgLong (vm, (DClong) va_arg(args, DClong )); break;
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46 case DC_SIGCHAR_ULONG: dcArgLong (vm, (DCulong) va_arg(args, DClong )); break;
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47 case DC_SIGCHAR_LONGLONG: dcArgLongLong(vm, (DClonglong) va_arg(args, DClonglong)); break;
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48 case DC_SIGCHAR_ULONGLONG: dcArgLongLong(vm, (DCulonglong) va_arg(args, DClonglong)); break;
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49 case DC_SIGCHAR_FLOAT: dcArgFloat (vm, (DCfloat) va_arg(args, DCdouble )); break;
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50 case DC_SIGCHAR_DOUBLE: dcArgDouble (vm, (DCdouble) va_arg(args, DCdouble )); break;
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51 case DC_SIGCHAR_POINTER: dcArgPointer (vm, (DCpointer) va_arg(args, DCpointer )); break;
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52 case DC_SIGCHAR_STRING: dcArgPointer (vm, (DCpointer) va_arg(args, DCpointer )); break;
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53 }
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54 }
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55 }
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56
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57 void dcVArgF(DCCallVM* vm, const DCsigchar* signature, va_list args)
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58 {
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59 dcArgF_impl(vm, &signature, args);
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60 }
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61
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62 void dcArgF(DCCallVM* vm, const DCsigchar* signature, ...)
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63 {
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64 va_list va;
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65 va_start(va, signature);
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66 dcVArgF(vm,signature,va);
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67 va_end(va);
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68 }
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69
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70 void dcVCallF(DCCallVM* vm, DCValue* result, DCpointer funcptr, const DCsigchar* signature, va_list args)
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71 {
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72 const DCsigchar* ptr = signature;
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73 dcArgF_impl(vm, &ptr, args);
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74
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75 switch(*ptr) {
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76 case DC_SIGCHAR_VOID: dcCallVoid (vm,funcptr); break;
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77 case DC_SIGCHAR_BOOL: result->B = dcCallBool (vm,funcptr); break;
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78 case DC_SIGCHAR_CHAR: result->c = dcCallChar (vm,funcptr); break;
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79 case DC_SIGCHAR_UCHAR: result->C = (DCuchar)dcCallChar(vm,funcptr); break;
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80 case DC_SIGCHAR_SHORT: result->s = dcCallShort (vm,funcptr); break;
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81 case DC_SIGCHAR_USHORT: result->S = dcCallShort (vm,funcptr); break;
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82 case DC_SIGCHAR_INT: result->i = dcCallInt (vm,funcptr); break;
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83 case DC_SIGCHAR_UINT: result->I = dcCallInt (vm,funcptr); break;
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84 case DC_SIGCHAR_LONG: result->j = dcCallLong (vm,funcptr); break;
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85 case DC_SIGCHAR_ULONG: result->J = dcCallLong (vm,funcptr); break;
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86 case DC_SIGCHAR_LONGLONG: result->l = dcCallLongLong (vm,funcptr); break;
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87 case DC_SIGCHAR_ULONGLONG: result->L = dcCallLongLong (vm,funcptr); break;
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88 case DC_SIGCHAR_FLOAT: result->f = dcCallFloat (vm,funcptr); break;
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89 case DC_SIGCHAR_DOUBLE: result->d = dcCallDouble (vm,funcptr); break;
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90 case DC_SIGCHAR_POINTER: result->p = dcCallPointer (vm,funcptr); break;
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91 case DC_SIGCHAR_STRING: result->Z = dcCallPointer (vm,funcptr); break;
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92 }
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93 }
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94
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95 void dcCallF(DCCallVM* vm, DCValue* result, DCpointer funcptr, const DCsigchar* signature, ...)
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96 {
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97 va_list va;
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98 va_start(va, signature);
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99 dcVCallF(vm,result,funcptr,signature,va);
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100 va_end(va);
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101 }
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102
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