3rdparties/software/cffi_0.21.0/grovel/common.h (1703 bytes)
1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <stdint.h> 4 #include <string.h> 5 #include <inttypes.h> 6 7 #ifndef offsetof 8 #define offsetof(type, slot) ((long) ((char *) &(((type *) 0)->slot))) 9 #endif 10 #define getslot(type, slot) (((type *) 0)->slot) 11 #define sizeofslot(type, slot) (sizeof(getslot(type, slot))) 12 #define countofslot(type, slot) \ 13 (sizeof(getslot(type, slot)) / sizeof(getslot(type, slot)[0])) 14 #define stringify(x) #x 15 #define indirect_stringify(x) stringify(x) 16 17 #define TYPE_SIGNED_P(type) (((type)-1)<0LL) 18 #define _64_BIT_VALUE_FITS_SIGNED_P(value) ( (value) <= 0x7FFFFFFFFFFFFFFFLL ) 19 #define SLOT_SIGNED_P(result, type, slot) \ 20 do { \ 21 type slot_signed_p_struct; \ 22 slot_signed_p_struct.slot = -1; \ 23 (result) = slot_signed_p_struct.slot < 0; \ 24 } while (0) 25 26 void type_name(FILE *output, int signed_p, int size) { 27 if (signed_p) { 28 switch (size) { 29 case 1: fprintf(output, ":int8"); break; 30 case 2: fprintf(output, ":int16"); break; 31 case 4: fprintf(output, ":int32"); break; 32 case 8: fprintf(output, ":int64"); break; 33 default: goto error; 34 } 35 } else { 36 switch(size) { 37 case 1: fprintf(output, ":uint8"); break; 38 case 2: fprintf(output, ":uint16"); break; 39 case 4: fprintf(output, ":uint32"); break; 40 case 8: fprintf(output, ":uint64"); break; 41 default: goto error; 42 } 43 } 44 45 return; 46 47 error: 48 fprintf(output, "(cl:error \"No type of size ~D.\" %i)\n", size); 49 } 50 51 char* print_double_for_lisp(double n) 52 { 53 static char buf[256]; 54 memset(buf, 0, 256); 55 snprintf(buf, 255, "(let ((*read-default-float-format* 'double-float)) (coerce (read-from-string \"%.20E\") 'double-float))", n); 56 return buf; 57 }