-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2014 Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016 Jay Freeman (saurik)
*/
/* GNU Affero General Public License, Version 3 {{{ */
#include "sig/ffi_type.hpp"
#include "sig/types.hpp"
+#if FFI_LONG_LONG_MAX == 9223372036854775807LL
#define ffi_type_slonglong ffi_type_sint64
#define ffi_type_ulonglong ffi_type_uint64
+#else
+#error need to configure for long long
+#endif
namespace sig {
-void sig_ffi_types(
- CYPool &pool,
- ffi_type *(*sig_ffi_type)(CYPool &, struct Type *),
- struct Signature *signature,
- ffi_type **types,
- size_t skip = 0,
- size_t offset = 0
-) {
- _assert(signature->count >= skip);
- for (size_t index = skip; index != signature->count; ++index)
- types[index - skip + offset] = (*sig_ffi_type)(pool, signature->elements[index].type);
-}
-
-ffi_type *ObjectiveC(CYPool &pool, struct Type *type) {
- switch (type->primitive) {
- case typename_P: return &ffi_type_pointer;
-
- case union_P:
- /* XXX: we can totally make this work */
- _assert(false);
- break;
-
- case string_P: return &ffi_type_pointer;
- case selector_P: return &ffi_type_pointer;
- case block_P: return &ffi_type_pointer;
- case object_P: return &ffi_type_pointer;
- case boolean_P: return &ffi_type_uchar;
- case uchar_P: return &ffi_type_uchar;
- case uint_P: return &ffi_type_uint;
- case ulong_P: return &ffi_type_ulong;
- case ulonglong_P: return &ffi_type_ulonglong;
- case ushort_P: return &ffi_type_ushort;
-
- case array_P: {
- // XXX: this is really lame
- ffi_type *aggregate(new(pool) ffi_type());
- aggregate->size = 0;
- aggregate->alignment = 0;
- aggregate->type = FFI_TYPE_STRUCT;
-
- ffi_type *element(ObjectiveC(pool, type->data.data.type));
- size_t size(type->data.data.size);
-
- aggregate->elements = new(pool) ffi_type *[size + 1];
- for (size_t i(0); i != size; ++i)
- aggregate->elements[i] = element;
- aggregate->elements[size] = NULL;
-
- return aggregate;
- } break;
-
- case pointer_P: return &ffi_type_pointer;
-
- case bit_P:
- /* XXX: we can totally make this work */
- _assert(false);
- break;
-
- case char_P: return &ffi_type_schar;
- case double_P: return &ffi_type_double;
- case float_P: return &ffi_type_float;
- case int_P: return &ffi_type_sint;
- case long_P: return &ffi_type_slong;
- case longlong_P: return &ffi_type_slonglong;
- case short_P: return &ffi_type_sshort;
-
- case void_P: return &ffi_type_void;
-
- case struct_P: {
- ffi_type *aggregate(new(pool) ffi_type());
- aggregate->size = 0;
- aggregate->alignment = 0;
- aggregate->type = FFI_TYPE_STRUCT;
-
- aggregate->elements = new(pool) ffi_type *[type->data.signature.count + 1];
- sig_ffi_types(pool, &ObjectiveC, &type->data.signature, aggregate->elements);
- aggregate->elements[type->data.signature.count] = NULL;
-
- return aggregate;
- } break;
-
- default:
- _assert(false);
- break;
- }
+template <>
+ffi_type *Primitive<bool>::GetFFI(CYPool &pool) const {
+ return &ffi_type_uchar;
+}
+
+template <>
+ffi_type *Primitive<char>::GetFFI(CYPool &pool) const {
+ return &ffi_type_schar;
+}
+
+template <>
+ffi_type *Primitive<float>::GetFFI(CYPool &pool) const {
+ return &ffi_type_float;
+}
+
+template <>
+ffi_type *Primitive<double>::GetFFI(CYPool &pool) const {
+ return &ffi_type_double;
+}
+
+template <>
+ffi_type *Primitive<signed char>::GetFFI(CYPool &pool) const {
+ return &ffi_type_schar;
+}
+
+template <>
+ffi_type *Primitive<signed int>::GetFFI(CYPool &pool) const {
+ return &ffi_type_sint;
+}
+
+#ifdef __SIZEOF_INT128__
+template <>
+ffi_type *Primitive<signed __int128>::GetFFI(CYPool &pool) const {
+ _assert(false);
+}
+#endif
+
+template <>
+ffi_type *Primitive<signed long int>::GetFFI(CYPool &pool) const {
+ return &ffi_type_slong;
+}
+
+template <>
+ffi_type *Primitive<signed long long int>::GetFFI(CYPool &pool) const {
+ return &ffi_type_slonglong;
+}
+
+template <>
+ffi_type *Primitive<signed short int>::GetFFI(CYPool &pool) const {
+ return &ffi_type_sshort;
+}
+
+template <>
+ffi_type *Primitive<unsigned char>::GetFFI(CYPool &pool) const {
+ return &ffi_type_uchar;
+}
+
+template <>
+ffi_type *Primitive<unsigned int>::GetFFI(CYPool &pool) const {
+ return &ffi_type_uint;
+}
+
+#ifdef __SIZEOF_INT128__
+template <>
+ffi_type *Primitive<unsigned __int128>::GetFFI(CYPool &pool) const {
+ _assert(false);
+}
+#endif
+
+template <>
+ffi_type *Primitive<unsigned long int>::GetFFI(CYPool &pool) const {
+ return &ffi_type_ulong;
+}
+
+template <>
+ffi_type *Primitive<unsigned long long int>::GetFFI(CYPool &pool) const {
+ return &ffi_type_ulonglong;
}
-ffi_type *Java(CYPool &pool, struct Type *type) {
- switch (type->primitive) {
- case typename_P: return &ffi_type_pointer;
- case union_P: _assert(false); break;
- case string_P: return &ffi_type_pointer;
- case selector_P: return &ffi_type_pointer;
- case block_P: return &ffi_type_pointer;
- case object_P: return &ffi_type_pointer;
- case boolean_P: return &ffi_type_uchar;
- case uchar_P: return &ffi_type_uchar;
- case uint_P: return &ffi_type_uint;
- case ulong_P: return &ffi_type_ulong;
- case ulonglong_P: return &ffi_type_ulonglong;
- case ushort_P: return &ffi_type_ushort;
- case array_P: return &ffi_type_pointer;
- case pointer_P: return &ffi_type_pointer;
- case bit_P: _assert(false); break;
- case char_P: return &ffi_type_schar;
- case double_P: return &ffi_type_double;
- case float_P: return &ffi_type_double;
- case int_P: return &ffi_type_sint;
- case long_P: return &ffi_type_slong;
- case longlong_P: return &ffi_type_slonglong;
- case short_P: return &ffi_type_sshort;
- case void_P: return &ffi_type_void;
- case struct_P: return &ffi_type_pointer;
-
- default:
- _assert(false);
- break;
+template <>
+ffi_type *Primitive<unsigned short int>::GetFFI(CYPool &pool) const {
+ return &ffi_type_ushort;
+}
+
+ffi_type *Void::GetFFI(CYPool &pool) const {
+ return &ffi_type_void;
+}
+
+ffi_type *Unknown::GetFFI(CYPool &pool) const {
+ _assert(false);
+}
+
+ffi_type *String::GetFFI(CYPool &pool) const {
+ return &ffi_type_pointer;
+}
+
+#ifdef CY_OBJECTIVEC
+ffi_type *Meta::GetFFI(CYPool &pool) const {
+ return &ffi_type_pointer;
+}
+
+ffi_type *Selector::GetFFI(CYPool &pool) const {
+ return &ffi_type_pointer;
+}
+#endif
+
+ffi_type *Bits::GetFFI(CYPool &pool) const {
+ /* XXX: we can totally make this work */
+ _assert(false);
+}
+
+ffi_type *Pointer::GetFFI(CYPool &pool) const {
+ return &ffi_type_pointer;
+}
+
+ffi_type *Array::GetFFI(CYPool &pool) const {
+ // XXX: this is really lame
+ ffi_type *ffi(new(pool) ffi_type());
+ ffi->size = 0;
+ ffi->alignment = 0;
+ ffi->type = FFI_TYPE_STRUCT;
+
+ ffi_type *element(type.GetFFI(pool));
+
+ ffi->elements = new(pool) ffi_type *[size + 1];
+ for (size_t i(0); i != size; ++i)
+ ffi->elements[i] = element;
+ ffi->elements[size] = NULL;
+
+ return ffi;
+}
+
+#ifdef CY_OBJECTIVEC
+ffi_type *Object::GetFFI(CYPool &pool) const {
+ return &ffi_type_pointer;
+}
+#endif
+
+ffi_type *Enum::GetFFI(CYPool &pool) const {
+ return type.GetFFI(pool);
+}
+
+ffi_type *Aggregate::GetFFI(CYPool &pool) const {
+ // XXX: we can totally make overlap work
+ _assert(!overlap);
+
+ ffi_type *ffi(new(pool) ffi_type());
+ ffi->size = 0;
+ ffi->alignment = 0;
+ ffi->type = FFI_TYPE_STRUCT;
+
+ if (signature.count == 0) {
+ // https://gcc.gnu.org/ml/gcc-patches/2015-01/msg01286.html
+ ffi->elements = new(pool) ffi_type *[2];
+ ffi->elements[0] = &ffi_type_void;
+ ffi->elements[1] = NULL;
+ } else {
+ ffi->elements = new(pool) ffi_type *[signature.count + 1];
+ for (size_t index(0); index != signature.count; ++index)
+ ffi->elements[index] = signature.elements[index].type->GetFFI(pool);
+ ffi->elements[signature.count] = NULL;
}
+
+ return ffi;
}
-void sig_ffi_cif(
- CYPool &pool,
- ffi_type *(*sig_ffi_type)(CYPool &, struct Type *),
- struct Signature *signature,
- ffi_cif *cif,
- size_t skip,
- ffi_type **types,
- size_t offset
-) {
- if (types == NULL)
- types = new(pool) ffi_type *[signature->count - 1];
- ffi_type *type = (*sig_ffi_type)(pool, signature->elements[0].type);
- sig_ffi_types(pool, sig_ffi_type, signature, types, 1 + skip, offset);
- ffi_status status = ffi_prep_cif(cif, FFI_DEFAULT_ABI, signature->count - 1 - skip + offset, type, types);
+ffi_type *Function::GetFFI(CYPool &pool) const {
+ _assert(false);
+}
+
+#ifdef CY_OBJECTIVEC
+ffi_type *Block::GetFFI(CYPool &pool) const {
+ return &ffi_type_pointer;
+}
+#endif
+
+void sig_ffi_cif(CYPool &pool, size_t variadic, const Signature &signature, ffi_cif *cif) {
+ _assert(signature.count != 0);
+ size_t count(signature.count - 1);
+ ffi_type *type(signature.elements[0].type->GetFFI(pool));
+
+ ffi_type **types(new(pool) ffi_type *[count]);
+ for (size_t index(0); index != count; ++index)
+ types[index] = signature.elements[index + 1].type->GetFFI(pool);
+
+ ffi_status status;
+#ifdef HAVE_FFI_PREP_CIF_VAR
+ if (variadic == 0)
+#endif
+ status = ffi_prep_cif(cif, FFI_DEFAULT_ABI, count, type, types);
+#ifdef HAVE_FFI_PREP_CIF_VAR
+ else
+ status = ffi_prep_cif_var(cif, FFI_DEFAULT_ABI, variadic - 1, count, type, types);
+#endif
_assert(status == FFI_OK);
}
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