#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.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_fieldname(type,field) {printf("c'");bc_glue(type,field);}; \
#define bc_famaccess(type,field) {printf("p'");bc_glue(type,field);}; \
#define bc_decimal(name) (name) > 0 \
? printf("%ju",(uintmax_t)(name)) \
: printf("%jd",(intmax_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 %zu\n",(size_t)(name)); \
bc_varid(# name);printf(" :: Ptr a\n"); \
#define hsc_function_pointer(name) \
bc_varid(# name);printf(" = (castPtrToFunPtr . wordPtrToPtr) "); \
printf("%zu\n",(size_t)(name)); \
bc_varid(# name);printf(" :: FunPtr a\n"); \
#define hsc_ccall(name,type) \
printf("foreign import ccall \"%s\" ",# name); \
bc_varid(# name);printf("\n"); \
printf(" :: ");bc_typemarkup(# type);printf("\n"); \
printf("foreign import ccall \"&%s\" ",# 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 (sign && size==sizeof(int)) printf("CInt\n"); \
else printf("%s%zu\n",sign?"Int":"Word",8*size); \
} \
#define hsc_opaque_t(name) \
printf("data ");bc_conid(# name); \
printf(" = "); \
bc_conid(# name);printf("\n"); \
#define hsc_callback(name,type) \
printf("type ");bc_conid(# name);printf(" = FunPtr ("); \
bc_typemarkup(# type);printf(")\n"); \
printf("foreign import ccall \"wrapper\" "); \
bc_wrapper(# name);printf("\n"); \
printf(" :: (");bc_typemarkup(# type); \
printf(") -> IO ");bc_conid(# name);printf("\n"); \
#define hsc_starttype(name) \
{ \
name *refpointer = 0; \
struct {int n, k[500]; size_t s[500], o[500];} f; \
f.n = 0; \
printf("data ");bc_conid(# name);printf(" = "); \
bc_conid(# name);printf("{"); \
char typename[] = # name; \
size_t typesize = sizeof(name); \
struct {int d; char n[1000], t[1000];} fam; \
fam.n[0] = '\0' ; \
#define bc_prefield(name,type,typeofarray) \
if (f.n > 0) printf(","); \
printf("\n "); \
bc_fieldname(typename,# name); \
printf(" :: ");bc_typemarkup(# type); \
f.k[f.n] = typeofarray; \
f.o[f.n] = (size_t)&(refpointer->name); \
#define bc_posfield \
f.n++; \
#define hsc_field(name,type) \
bc_prefield(name,type,(-1)); \
bc_posfield; \
#define hsc_array_field(name,type) \
bc_prefield(name,[type],1); \
f.s[f.n] = sizeof(refpointer->name); \
f.s[f.n] /= sizeof(refpointer->name[0]); \
bc_posfield; \
#define hsc_flexible_array_member(name,type) \
bc_prefield(name,[type],0); \
strcpy(fam.n,# name); strcpy(fam.t,# type); \
fam.d = f.o[f.n]; \
bc_posfield; \
#define hsc_stoptype(dummy) \
printf("\n } deriving (Eq,Show)\n"); \
if (*fam.n) \
{ \
bc_famaccess(typename,fam.n); \
printf(" p = plusPtr p %d\n",fam.d); \
bc_famaccess(typename,fam.n); \
printf(" :: Ptr (");bc_conid(typename);printf(") -> "); \
printf("Ptr (");bc_typemarkup(fam.t);printf(")\n"); \
} \
printf("instance Storable "); \
bc_conid(typename);printf(" where\n"); \
printf(" sizeOf _ = %zu\n alignment = sizeOf\n",typesize); \
printf(" peek p = do\n"); \
int i; \
for (i=0;i<f.n;i++) \
{ \
printf(" v%d <- ",i); \
if (f.k[i] < 0) \
printf("peekByteOff p %zu",f.o[i]); \
if (f.k[i] > 0) \
printf("peekArray %zu (plusPtr p %zu)",f.s[i],f.o[i]); \
if (f.k[i] == 0) \
printf("return []"); \
printf("\n"); \
} \
printf(" return $ ");bc_conid(typename); \
for (i=0;i<f.n;i++) printf(" v%d",i); printf("\n"); \
printf(" poke p (");bc_conid(typename); \
for (i=0;i<f.n;i++) printf(" v%d",i); printf(") = do\n"); \
for (i=0;i<f.n;i++) \
{ \
printf(" "); \
if (f.k[i] < 0) \
printf("pokeByteOff p %zu v%d",f.o[i],i); \
if (f.k[i] > 0) \
printf("pokeArray (plusPtr p %zu) " \
"(take %zu v%d)",f.o[i],f.s[i],i); \
if (f.k[i] == 0) \
printf("pokeArray (plusPtr p %zu) v%d",f.o[i],i); \
printf("\n"); \
} \
printf(" return ()\n"); \
} \