Make Type inherit Functin and build placement new.

[cycript.git] / Decode.cpp

diff --git a/Decode.cpp b/Decode.cpp
index 7901515ba39be2d7cfa5e67dca094e4737e607a2..c20fb1cd1aa3d18edcabac3f9b15583c2cbf987b 100644 (file)
--- a/Decode.cpp
+++ b/Decode.cpp
@@ -1,21 +1,21 @@
-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2013  Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016  Jay Freeman (saurik)

 */
 
 */
 

-/* GNU General Public License, Version 3 {{{ */
+/* GNU Affero General Public License, Version 3 {{{ */

 /*
 /*

- * Cycript is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation, either version 3 of the License,
- * or (at your option) any later version.
- *
- * Cycript is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
+ * GNU Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 **/
 /* }}} */
 
 **/
 /* }}} */
 


@@ -24,72 +24,195 @@
 #include "Decode.hpp"
 #include "Replace.hpp"
 
 #include "Decode.hpp"
 #include "Replace.hpp"
 

-CYTypedIdentifier *Decode_(CYPool &pool, struct sig::Type *type) {
-    switch (type->primitive) {
-        case sig::function_P: {
-            _assert(type->data.signature.count != 0);
-            CYTypedParameter *parameter(NULL);
-            for (size_t i(type->data.signature.count - 1); i != 0; --i)
-                parameter = $ CYTypedParameter(Decode(pool, type->data.signature.elements[i].type), parameter);
-            return Decode(pool, type->data.signature.elements[0].type)->Modify($ CYTypeFunctionWith(parameter));
-        } break;
-
-        case sig::typename_P: return $ CYTypedIdentifier($V("Class"));
-        case sig::union_P: _assert(false); break;
-        case sig::string_P: return $ CYTypedIdentifier($V("char"), $ CYTypeConstant($ CYTypePointerTo()));
-        case sig::selector_P: return $ CYTypedIdentifier($V("SEL"));
-        case sig::block_P: _assert(false); break;
-
-        case sig::object_P: {
-            if (type->name == NULL)
-                return $ CYTypedIdentifier($V("id"));
-            else
-                return $ CYTypedIdentifier($V(type->name), $ CYTypePointerTo());
-        } break;
-
-        case sig::boolean_P: return $ CYTypedIdentifier($V("bool"));
-        case sig::uchar_P: return $ CYTypedIdentifier($V("uchar"));
-        case sig::uint_P: return $ CYTypedIdentifier($V("uint"));
-        case sig::ulong_P: return $ CYTypedIdentifier($V("ulong"));
-        case sig::ulonglong_P: return $ CYTypedIdentifier($V("ulonglong"));
-        case sig::ushort_P: return $ CYTypedIdentifier($V("ushort"));
-        case sig::array_P: return Decode(pool, type->data.data.type)->Modify($ CYTypeArrayOf($D(type->data.data.size)));
-
-        // XXX: once again, the issue of void here is incorrect
-        case sig::pointer_P: {
-            CYTypedIdentifier *typed;
-            if (type->data.data.type == NULL)
-                typed = $ CYTypedIdentifier($V("void"));
-            else
-                typed = Decode(pool, type->data.data.type);
-            return typed->Modify($ CYTypePointerTo());
-        } break;
-
-        case sig::bit_P: _assert(false); break;
-        case sig::char_P: return $ CYTypedIdentifier($V("char"));
-        case sig::double_P: return $ CYTypedIdentifier($V("double"));
-        case sig::float_P: return $ CYTypedIdentifier($V("float"));
-        case sig::int_P: return $ CYTypedIdentifier($V("int"));
-        case sig::long_P: return $ CYTypedIdentifier($V("long"));
-        case sig::longlong_P: return $ CYTypedIdentifier($V("longlong"));
-        case sig::short_P: return $ CYTypedIdentifier($V("short"));
-
-        // XXX: this happens to work, but is totally wrong
-        case sig::void_P: return $ CYTypedIdentifier($V("void"));
-
-        case sig::struct_P: {
-            _assert(type->name != NULL);
-            return $ CYTypedIdentifier($V(type->name));
-        } break;
-    }
+namespace sig {
+
+template <>
+CYType *Primitive<bool>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeVariable("bool"));
+}
+
+template <>
+CYType *Primitive<char>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeCharacter(CYTypeNeutral));
+}
+
+template <>
+CYType *Primitive<double>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeVariable("double"));
+}
+
+template <>
+CYType *Primitive<float>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeVariable("float"));
+}
+
+template <>
+CYType *Primitive<signed char>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeCharacter(CYTypeSigned));
+}
+
+template <>
+CYType *Primitive<signed int>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeIntegral(CYTypeSigned, 1));
+}
+
+#ifdef __SIZEOF_INT128__
+template <>
+CYType *Primitive<signed __int128>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeInt128(CYTypeSigned));
+}
+#endif
+
+template <>
+CYType *Primitive<signed long int>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeIntegral(CYTypeSigned, 2));
+}
+
+template <>
+CYType *Primitive<signed long long int>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeIntegral(CYTypeSigned, 3));
+}
+
+template <>
+CYType *Primitive<signed short int>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeIntegral(CYTypeSigned, 0));
+}
+
+template <>
+CYType *Primitive<unsigned char>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeCharacter(CYTypeUnsigned));
+}
+
+template <>
+CYType *Primitive<unsigned int>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeIntegral(CYTypeUnsigned, 1));
+}
+
+#ifdef __SIZEOF_INT128__
+template <>
+CYType *Primitive<unsigned __int128>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeInt128(CYTypeUnsigned));
+}
+#endif
+
+template <>
+CYType *Primitive<unsigned long int>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeIntegral(CYTypeUnsigned, 2));
+}
+
+template <>
+CYType *Primitive<unsigned long long int>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeIntegral(CYTypeUnsigned, 3));
+}
+
+template <>
+CYType *Primitive<unsigned short int>::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeIntegral(CYTypeUnsigned, 0));
+}

 
 

+CYType *Void::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeVoid());
+}
+
+CYType *Unknown::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeError());
+}
+
+CYType *String::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeCharacter(CYTypeNeutral), $ CYTypePointerTo());
+}
+
+#ifdef CY_OBJECTIVEC
+CYType *Meta::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeVariable("Class"));
+}
+
+CYType *Selector::Decode(CYPool &pool) const {
+    return $ CYType($ CYTypeVariable("SEL"));
+}
+#endif
+
+CYType *Bits::Decode(CYPool &pool) const {

     _assert(false);
     _assert(false);

-    return NULL;

 }
 
 }
 

-CYTypedIdentifier *Decode(CYPool &pool, struct sig::Type *type) {
-    CYTypedIdentifier *typed(Decode_(pool, type));
-    if ((type->flags & JOC_TYPE_CONST) != 0)
-        typed = typed->Modify($ CYTypeConstant());
+CYType *Pointer::Decode(CYPool &pool) const {
+    return CYDecodeType(pool, &type)->Modify($ CYTypePointerTo());
+}
+
+CYType *Array::Decode(CYPool &pool) const {
+    return CYDecodeType(pool, &type)->Modify($ CYTypeArrayOf($D(size)));
+}
+
+#ifdef CY_OBJECTIVEC
+CYType *Object::Decode(CYPool &pool) const {
+    if (name == NULL)
+        return $ CYType($ CYTypeVariable("id"));
+    else
+        return $ CYType($ CYTypeVariable(name), $ CYTypePointerTo());
+}
+#endif
+
+CYType *Enum::Decode(CYPool &pool) const {
+    CYEnumConstant *values(NULL);
+    for (size_t i(count); i != 0; --i)
+        values = $ CYEnumConstant($I(pool.strdup(constants[i - 1].name)), $D(constants[i - 1].value), values);
+    CYIdentifier *identifier(name == NULL ? NULL : $I(name));
+    CYType *typed(type.Decode(pool));
+    _assert(typed->modifier_ == NULL);
+    return $ CYType($ CYTypeEnum(identifier, typed->specifier_, values));
+}
+
+CYType *Aggregate::Decode(CYPool &pool) const {
+    _assert(!overlap);
+
+    if (signature.count == _not(size_t)) {
+        _assert(name != NULL);
+        return $ CYType($ CYTypeReference(CYTypeReferenceStruct, $I($pool.strdup(name))));
+    }
+
+    CYTypeStructField *fields(NULL);
+    for (size_t i(signature.count); i != 0; --i) {
+        sig::Element &element(signature.elements[i - 1]);
+        fields = $ CYTypeStructField(CYDecodeType(pool, element.type), element.name == NULL ? NULL : $I(element.name), fields);
+    }
+    CYIdentifier *identifier(name == NULL ? NULL : $I(name));
+    return $ CYType($ CYTypeStruct(identifier, $ CYStructTail(fields)));
+}
+
+CYType *Callable::Decode(CYPool &pool) const {
+    _assert(signature.count != 0);
+    CYTypedParameter *parameters(NULL);
+    for (size_t i(signature.count - 1); i != 0; --i)
+        parameters = $ CYTypedParameter(CYDecodeType(pool, signature.elements[i].type), NULL, parameters);
+    return Modify(pool, CYDecodeType(pool, signature.elements[0].type), parameters);
+}
+
+CYType *Function::Modify(CYPool &pool, CYType *result, CYTypedParameter *parameters) const {
+    return result->Modify($ CYTypeFunctionWith(variadic, parameters));
+}
+
+#ifdef CY_OBJECTIVEC
+CYType *Block::Modify(CYPool &pool, CYType *result, CYTypedParameter *parameters) const {
+    return result->Modify($ CYTypeBlockWith(parameters));
+}
+
+CYType *Block::Decode(CYPool &pool) const {
+    if (signature.count == 0)
+        return $ CYType($ CYTypeVariable("NSBlock"), $ CYTypePointerTo());
+    return Callable::Decode(pool);
+}
+#endif
+
+}
+
+CYType *CYDecodeType(CYPool &pool, struct sig::Type *type) {
+    CYType *typed(type->Decode(pool));
+    if ((type->flags & JOC_TYPE_CONST) != 0) {
+        if (dynamic_cast<sig::String *>(type) != NULL)
+            typed->modifier_ = $ CYTypeConstant(typed->modifier_);
+        else
+            typed = typed->Modify($ CYTypeConstant());
+    }

     return typed;
 }
     return typed;
 }