Move non-RegEx lexer hacks from Scanner to Parser.

[cycript.git] / Decode.cpp

diff --git a/Decode.cpp b/Decode.cpp
index 9cb165c8b3358e677a699b00db43ee5f1bda05b0..95f68ef4fdd0bf535e64d02bbca83816c4c936f8 100644 (file)
--- a/Decode.cpp
+++ b/Decode.cpp
@@ -1,21 +1,21 @@
 /* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2013  Jay Freeman (saurik)
+ * Copyright (C) 2009-2015  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
- * 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/>.
 **/
 /* }}} */
 
@@ -26,6 +26,8 @@
 
 CYTypedIdentifier *Decode_(CYPool &pool, struct sig::Type *type) {
     switch (type->primitive) {
+        case sig::unknown_P: return $ CYTypedIdentifier($ CYTypeError());
+
         case sig::function_P: {
             _assert(type->data.signature.count != 0);
             CYTypedParameter *parameter(NULL);
@@ -34,59 +36,60 @@ CYTypedIdentifier *Decode_(CYPool &pool, struct sig::Type *type) {
             return Decode(pool, type->data.signature.elements[0].type)->Modify($ CYTypeFunctionWith(parameter));
         } break;
 
-        case sig::typename_P: return $ CYTypedIdentifier($V("Class"));
+        case sig::typename_P: return $ CYTypedIdentifier($ CYTypeVariable("Class"));
         case sig::union_P: _assert(false); break;
-        case sig::string_P: return $ CYTypedIdentifier($V("char"), $ CYTypePointerTo());
-        case sig::selector_P: return $ CYTypedIdentifier($V("SEL"));
+        case sig::string_P: return $ CYTypedIdentifier($ CYTypeVariable("char"), $ CYTypePointerTo());
+        case sig::selector_P: return $ CYTypedIdentifier($ CYTypeVariable("SEL"));
 
         case sig::block_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($ CYTypeBlockWith(parameter));
+            if (type->data.signature.count == 0)
+                return $ CYTypedIdentifier($ CYTypeVariable("NSBlock"), $ CYTypePointerTo());
+            else {
+                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($ CYTypeBlockWith(parameter));
+            }
         } break;
 
         case sig::object_P: {
             if (type->name == NULL)
-                return $ CYTypedIdentifier($V("id"));
+                return $ CYTypedIdentifier($ CYTypeVariable("id"));
             else
-                return $ CYTypedIdentifier($V(type->name), $ CYTypePointerTo());
+                return $ CYTypedIdentifier($ CYTypeVariable(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::boolean_P: return $ CYTypedIdentifier($ CYTypeVariable("bool"));
+        case sig::uchar_P: return $ CYTypedIdentifier($ CYTypeUnsigned($ CYTypeVariable("char")));
+        case sig::uint_P: return $ CYTypedIdentifier($ CYTypeUnsigned($ CYTypeVariable("int")));
+        case sig::ulong_P: return $ CYTypedIdentifier($ CYTypeUnsigned($ CYTypeLong($ CYTypeVariable("int"))));
+        case sig::ulonglong_P: return $ CYTypedIdentifier($ CYTypeUnsigned($ CYTypeLong($ CYTypeLong($ CYTypeVariable("int")))));
+        case sig::ushort_P: return $ CYTypedIdentifier($ CYTypeUnsigned($ CYTypeShort($ CYTypeVariable("int"))));
         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"));
+                typed = $ CYTypedIdentifier($ CYTypeVoid());
             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"));
+        case sig::char_P: return $ CYTypedIdentifier($ CYTypeVariable("char"));
+        case sig::double_P: return $ CYTypedIdentifier($ CYTypeVariable("double"));
+        case sig::float_P: return $ CYTypedIdentifier($ CYTypeVariable("float"));
+        case sig::int_P: return $ CYTypedIdentifier($ CYTypeVariable("int"));
+        case sig::long_P: return $ CYTypedIdentifier($ CYTypeLong($ CYTypeVariable("int")));
+        case sig::longlong_P: return $ CYTypedIdentifier($ CYTypeLong($ CYTypeLong($ CYTypeVariable("int"))));
+        case sig::short_P: return $ CYTypedIdentifier($ CYTypeShort($ CYTypeVariable("int")));
 
-        // XXX: this happens to work, but is totally wrong
-        case sig::void_P: return $ CYTypedIdentifier($V("void"));
+        case sig::void_P: return $ CYTypedIdentifier($ CYTypeVoid());
 
         case sig::struct_P: {
             _assert(type->name != NULL);
-            return $ CYTypedIdentifier($V(type->name));
+            return $ CYTypedIdentifier($ CYTypeVariable(type->name));
         } break;
     }