/usr/include/bindings.dsl.h is in libghc-bindings-dsl-dev 1.0.20-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 | /******
* Copyright © 2008–2011 Maurício C. Antunes
* This file is distributed under the BSD license.
* Check LICENSE file in distribution package for
* details.
******/
#ifndef __BINDINGS_DSL_H__
#define __BINDINGS_DSL_H__
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#ifdef __cplusplus
#include <cinttypes>
#else
#include <inttypes.h>
#endif
#define hsc_strict_import(dummy) printf( \
"import Foreign.Ptr (Ptr,FunPtr,plusPtr)\n" \
"import Foreign.Ptr (wordPtrToPtr,castPtrToFunPtr)\n" \
"import Foreign.Storable\n" \
"import Foreign.C.Types\n" \
"import Foreign.C.String (CString,CStringLen,CWString,CWStringLen)\n" \
"import Foreign.Marshal.Alloc (alloca)\n" \
"import Foreign.Marshal.Array (peekArray,pokeArray)\n" \
"import Data.Int\n" \
"import Data.Word\n" \
); \
#define bc_word(name) \
{ \
char *p, *q, buffer_w[strlen(name)+1]; \
strcpy(buffer_w,name); \
for (p=strtok(buffer_w," \t");(q=strtok(NULL," \t"));p=q); \
printf("%s",p); \
} \
#define bc_glue(type,field) \
{ \
bc_word(type); \
printf("'"); \
char *p, buffer_g[strlen(field)+1]; \
strcpy(buffer_g,field); \
for (p=buffer_g;*p;p++) \
*p = *p=='.' ? '\'' : ispunct(*p) ? '_' : *p; \
bc_word(buffer_g); \
} \
#define bc_typemarkup(name) \
{ \
char buffer_t[strlen(name)+1]; \
strcpy(buffer_t,name); \
char *p1,*p2,*p3; \
p1 = buffer_t; \
while (*p1) \
{ \
for (p2=p1;*p2 && *p2!='<';p2++); \
for (p3=p2;*p3 && *p3!='>';p3++); \
if (*p2 == '<') *p2++ = '\0'; \
if (*p3 == '>') *p3++ = '\0'; \
printf("%s",p1); \
if (*p2) bc_conid(p2); \
p1 = p3; \
} \
} \
#define bc_varid(name) {printf("c'");bc_word(name);}; \
#define bc_conid(name) {printf("C'");bc_word(name);}; \
#define bc_ptrid(name) {printf("p'");bc_word(name);}; \
#define bc_wrapper(name) {printf("mk'");bc_word(name);}; \
#define bc_dynamic(name) {printf("mK'");bc_word(name);}; \
#define bc_decimal(name) (name) > 0 \
? printf("%" PRIuMAX,(uintmax_t)(name)) \
: printf("%" PRIdMAX,(intmax_t)(name)) \
#define bc_wordptr(name) printf("%" PRIuPTR,(uintptr_t)(name)) \
#define bc_float(name) printf("%Le",(long double)(name)) \
#define hsc_num(name) \
bc_varid(# name);printf(" = ");bc_decimal(name);printf("\n"); \
bc_varid(# name);printf(" :: (Num a) => a\n"); \
#define hsc_fractional(name) \
bc_varid(# name);printf(" = ");bc_float(name);printf("\n"); \
bc_varid(# name);printf(" :: (Fractional a) => a\n"); \
#define hsc_pointer(name) \
bc_varid(# name);printf(" = wordPtrToPtr "); \
bc_wordptr(name);printf("\n"); \
bc_varid(# name);printf(" :: Ptr a\n"); \
#define hsc_function_pointer(name) \
bc_varid(# name);printf(" = (castPtrToFunPtr . wordPtrToPtr) "); \
bc_wordptr(name);printf("\n"); \
bc_varid(# name);printf(" :: FunPtr a\n"); \
#ifdef BINDINGS_STDCALLCONV
#define hsc_ccall(name,type) hsc_callconv(name,stdcall,type)
#else
#define hsc_ccall(name,type) hsc_callconv(name,ccall,type)
#endif
#define hsc_callconv(name,conv,type) \
printf("foreign import "# conv" \"%s\" ",# name); \
bc_varid(# name);printf("\n"); \
printf(" :: ");bc_typemarkup(# type);printf("\n"); \
printf("foreign import "# conv" \"&%s\" ",# name); \
bc_ptrid(# name);printf("\n"); \
printf(" :: FunPtr (");bc_typemarkup(# type);printf(")\n"); \
/* experimental support for unsafe calls */
#define hsc_ccall_unsafe(name,type) \
printf("foreign import ccall unsafe \"%s\" unsafe'",# name); \
bc_varid(# name);printf("\n"); \
printf(" :: ");bc_typemarkup(# type);printf("\n"); \
printf("foreign import ccall unsafe \"&%s\" unsafe'",# name); \
bc_ptrid(# name);printf("\n"); \
printf(" :: FunPtr (");bc_typemarkup(# type);printf(")\n"); \
#define hsc_cinline(name,type) \
printf("foreign import ccall \"inline_%s\" ",# name); \
bc_varid(# name);printf("\n"); \
printf(" :: ");bc_typemarkup(# type);printf("\n"); \
#define hsc_globalvar(name,type) \
printf("foreign import ccall \"&%s\" ",# name); \
bc_ptrid(# name);printf("\n"); \
printf(" :: Ptr (");bc_typemarkup(# type);printf(")\n"); \
#define hsc_globalarray(name,type) \
printf("foreign import ccall \"array_%s\" ",# name); \
bc_varid(# name);printf("\n"); \
printf(" :: Ptr (");bc_typemarkup(# type);printf(")\n"); \
#define hsc_integral_t(name) \
printf("type ");bc_conid(# name);printf(" = "); \
{ \
int sign = (name)(-1)<0; \
size_t size = sizeof(name); \
if (size==sizeof(int)) printf("%s",sign?"CInt":"CUInt"); \
else if (size==sizeof(char)) printf("%s", \
(char)(-1)<0?(sign?"CChar":"CUChar"):(sign?"CSChar":"CChar")); \
else printf("%s%" PRIuMAX,sign?"Int":"Word",(uintmax_t)(8*size)); \
printf("\n"); \
} \
#define hsc_opaque_t(name) \
printf("data ");bc_conid(# name); \
printf(" = "); \
bc_conid(# name);printf("\n"); \
#define hsc_synonym_t(name,type) \
printf("type ");bc_conid(# name); \
printf(" = "); \
bc_typemarkup(# type); \
printf("\n"); \
#ifdef BINDINGS_STDCALLCONV
#define hsc_callback(name,type) hsc_callbackconv(name,stdcall,type)
#define hsc_callback_t(name,type) hsc_callbackconv(name,stdcall,type)
#else
#define hsc_callback(name,type) hsc_callbackconv(name,ccall,type)
#define hsc_callback_t(name,type) hsc_callbackconv(name,ccall,type)
#endif
#define hsc_callbackconv(name,conv,type) \
printf("type ");bc_conid(# name);printf(" = FunPtr ("); \
bc_typemarkup(# type);printf(")\n"); \
printf("foreign import "# conv" \"wrapper\" "); \
bc_wrapper(# name);printf("\n"); \
printf(" :: (");bc_typemarkup(# type); \
printf(") -> IO ");bc_conid(# name);printf("\n"); \
printf("foreign import "# conv" \"dynamic\" "); \
bc_dynamic(# name);printf("\n"); \
printf(" :: ");bc_conid(# name); \
printf(" -> (");bc_typemarkup(# type);printf(")\n"); \
static struct {
int n, array_size[500], is_union[500], is_fam[500];
uintmax_t offset[500];
char fname[500][1000], ftype[500][1000];
} bc_fielddata;
#define bc_fieldname(type,field) {printf("c'");bc_glue(type,field);}; \
#define bc_unionupdate(type,field) {printf("u'");bc_glue(type,field);}; \
#define bc_fieldoffset(type,field) {printf("p'");bc_glue(type,field);}; \
#define hsc_starttype(name) \
{ \
struct {char _; name v;} bc_refdata; \
size_t typesize = sizeof bc_refdata.v; \
ptrdiff_t typealign = (char*)&bc_refdata.v - (char*)&bc_refdata; \
bc_fielddata.n = 0; \
char typename[] = # name; \
int index; \
int standalone_deriving = 0; \
#define bc_basicfield(name,type,u,f) \
index = bc_fielddata.n++; \
bc_fielddata.offset[index] = (uintmax_t) \
((char*)&bc_refdata.v.name - (char*)&bc_refdata.v); \
bc_fielddata.array_size[index] = 0; \
bc_fielddata.is_union[index] = u; \
bc_fielddata.is_fam[index] = f; \
strcpy(bc_fielddata.fname[index],# name); \
strcpy(bc_fielddata.ftype[index],type); \
#define hsc_field(name,type) \
bc_basicfield(name,# type,0,0); \
#define hsc_union_field(name,type) \
bc_basicfield(name,# type,1,0); \
#define hsc_flexible_array_member(name,type) \
bc_basicfield(name,# type,0,1); \
#define hsc_array_field(name,type) \
bc_basicfield(name,# type,0,0); \
bc_fielddata.array_size[index] = sizeof bc_refdata.v.name \
#define hsc_union_array_field(name,type) \
bc_basicfield(name,# type,1,0); \
bc_fielddata.array_size[index] = sizeof bc_refdata.v.name \
#define hsc_stoptype(dummy) \
printf("data ");bc_conid(typename);printf(" = "); \
bc_conid(typename);printf("{\n"); \
int i; \
for (i=0; i < bc_fielddata.n; i++) \
{ \
printf(" "); \
bc_fieldname(typename,bc_fielddata.fname[i]); \
printf(" :: "); \
if (bc_fielddata.array_size[i] > 0 || bc_fielddata.is_fam[i]) \
printf("["); \
bc_typemarkup(bc_fielddata.ftype[i]); \
if (bc_fielddata.array_size[i] > 0 || bc_fielddata.is_fam[i]) \
printf("]"); \
if (i+1 < bc_fielddata.n) printf(","); \
printf("\n"); \
} \
if (!standalone_deriving) \
printf("} deriving (Eq,Show)\n"); \
else \
{ \
printf("}\n"); \
printf("deriving instance Eq ");bc_conid(typename);printf("\n"); \
printf("deriving instance Show ");bc_conid(typename);printf("\n"); \
} \
for (i=0; i < bc_fielddata.n; i++) \
{ \
bc_fieldoffset(typename,bc_fielddata.fname[i]); \
printf(" p = plusPtr p %" PRIuMAX "\n",bc_fielddata.offset[i]); \
bc_fieldoffset(typename,bc_fielddata.fname[i]); \
printf(" :: Ptr (");bc_conid(typename);printf(") -> "); \
printf("Ptr (");bc_typemarkup(bc_fielddata.ftype[i]);printf(")\n"); \
} \
for (i=0; i < bc_fielddata.n; i++) if (bc_fielddata.is_union[i]) \
{ \
bc_unionupdate(typename,bc_fielddata.fname[i]); \
printf(" :: ");bc_conid(typename);printf(" -> "); \
if (bc_fielddata.array_size[i] > 0) printf("["); \
bc_typemarkup(bc_fielddata.ftype[i]); \
if (bc_fielddata.array_size[i] > 0) printf("]"); \
printf(" -> IO ");bc_conid(typename); \
printf("\n"); \
bc_unionupdate(typename,bc_fielddata.fname[i]); \
printf(" v vf = alloca $ \\p -> do\n"); \
printf(" poke p v\n"); \
if (bc_fielddata.array_size[i] > 0) \
{ \
printf(" let s = div %" PRIuMAX " $ sizeOf $ (undefined :: ", \
bc_fielddata.array_size[i]); \
bc_typemarkup(bc_fielddata.ftype[i]); \
printf(")\n pokeArray (plusPtr p %" PRIuMAX ") $ take s vf", \
bc_fielddata.offset[i]); \
} \
else \
printf(" pokeByteOff p %" PRIuMAX " vf", \
bc_fielddata.offset[i]); \
printf("\n"); \
printf(" vu <- peek p\n"); \
printf(" return $ v\n"); \
int j; \
for (j=0; j < bc_fielddata.n; j++) if (bc_fielddata.is_union[j]) \
{ \
printf(" {"); bc_fieldname(typename,bc_fielddata.fname[j]); \
printf(" = "); bc_fieldname(typename,bc_fielddata.fname[j]); \
printf(" vu}\n"); \
} \
} \
printf("instance Storable "); \
bc_conid(typename);printf(" where\n"); \
printf(" sizeOf _ = %" PRIuMAX "\n alignment _ = %" PRIuMAX "\n", \
(uintmax_t)(typesize),(uintmax_t)(typealign)); \
printf(" peek p = do\n"); \
for (i=0; i < bc_fielddata.n; i++) \
{ \
printf(" v%d <- ",i); \
if (bc_fielddata.is_fam[i]) \
printf("return []"); \
else if (bc_fielddata.array_size[i] > 0) \
{ \
printf ("let s = div %" PRIuMAX " $ sizeOf $ (undefined :: ", \
bc_fielddata.array_size[i]); \
bc_typemarkup(bc_fielddata.ftype[i]); \
printf(") in peekArray s (plusPtr p %" PRIuMAX ")", \
bc_fielddata.offset[i]); \
} \
else \
printf("peekByteOff p %" PRIuMAX "", bc_fielddata.offset[i]); \
printf("\n"); \
} \
printf(" return $ ");bc_conid(typename); \
for (i=0; i < bc_fielddata.n; i++) printf(" v%d",i); \
printf("\n"); \
printf(" poke p (");bc_conid(typename); \
for (i=0; i < bc_fielddata.n; i++) printf(" v%d",i); \
printf(") = do\n"); \
for (i=0; i < bc_fielddata.n; i++) \
{ \
if (bc_fielddata.is_fam[i]) \
printf(" pokeArray (plusPtr p %" PRIuMAX ") v%d", \
bc_fielddata.offset[i],i); \
else if (bc_fielddata.array_size[i] > 0) \
{ \
printf(" let s = div %" PRIuMAX " $ sizeOf $ (undefined :: ", \
bc_fielddata.array_size[i]); \
bc_typemarkup(bc_fielddata.ftype[i]); \
printf(")\n pokeArray (plusPtr p %" PRIuMAX ") (take s v%d)", \
bc_fielddata.offset[i], i); \
} \
else \
printf(" pokeByteOff p %" PRIuMAX " v%d", \
bc_fielddata.offset[i],i); \
printf("\n"); \
} \
printf(" return ()\n"); \
} \
#define hsc_gobject_notclassed(prefix,object,CamelCase) \
hsc_opaque_t(CamelCase) \
hsc_cinline(prefix##_TYPE_##object,<GType>) \
hsc_cinline(prefix##_##object,Ptr a -> Ptr <CamelCase>) \
hsc_cinline(prefix##_IS_##object,Ptr a -> <gboolean>) \
#define hsc_gobject(prefix,object,CamelCase) \
hsc_opaque_t(CamelCase##Class) \
hsc_gobject_notclassed(prefix,object,CamelCase) \
hsc_cinline(prefix##_##object##_CLASS,Ptr a -> Ptr <CamelCase##Class>) \
hsc_cinline(prefix##_IS_##object##_CLASS,Ptr a -> <gboolean>) \
hsc_cinline(prefix##_##object##_GET_CLASS,Ptr a -> Ptr <CamelCase##Class>) \
#endif /* __BINDINGS_DSL_H__ */
|