1 files changed, 312 insertions, 0 deletions
diff --git a/clang/lib/AST/NSAPI.cpp b/clang/lib/AST/NSAPI.cpp
new file mode 100644
index 0000000..f5ea2c5
--- /dev/null
+++ b/clang/lib/AST/NSAPI.cpp
@@ -0,0 +1,312 @@
+//===--- NSAPI.cpp - NSFoundation APIs ------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/AST/NSAPI.h"
+#include "clang/AST/ASTContext.h"
+
+using namespace clang;
+
+NSAPI::NSAPI(ASTContext &ctx)
+  : Ctx(ctx), ClassIds() {
+}
+
+IdentifierInfo *NSAPI::getNSClassId(NSClassIdKindKind K) const {
+  static const char *ClassName[NumClassIds] = {
+    "NSObject",
+    "NSString",
+    "NSArray",
+    "NSMutableArray",
+    "NSDictionary",
+    "NSMutableDictionary",
+    "NSNumber"
+  };
+
+  if (!ClassIds[K])
+    return (ClassIds[K] = &Ctx.Idents.get(ClassName[K]));
+
+  return ClassIds[K];
+}
+
+Selector NSAPI::getNSStringSelector(NSStringMethodKind MK) const {
+  if (NSStringSelectors[MK].isNull()) {
+    Selector Sel;
+    switch (MK) {
+    case NSStr_stringWithString:
+      Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("stringWithString"));
+      break;
+    case NSStr_initWithString:
+      Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("initWithString"));
+      break;
+    }
+    return (NSStringSelectors[MK] = Sel);
+  }
+
+  return NSStringSelectors[MK];
+}
+
+Selector NSAPI::getNSArraySelector(NSArrayMethodKind MK) const {
+  if (NSArraySelectors[MK].isNull()) {
+    Selector Sel;
+    switch (MK) {
+    case NSArr_array:
+      Sel = Ctx.Selectors.getNullarySelector(&Ctx.Idents.get("array"));
+      break;
+    case NSArr_arrayWithArray:
+      Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("arrayWithArray"));
+      break;
+    case NSArr_arrayWithObject:
+      Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("arrayWithObject"));
+      break;
+    case NSArr_arrayWithObjects:
+      Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("arrayWithObjects"));
+      break;
+    case NSArr_arrayWithObjectsCount: {
+      IdentifierInfo *KeyIdents[] = {
+        &Ctx.Idents.get("arrayWithObjects"),
+        &Ctx.Idents.get("count")
+      };
+      Sel = Ctx.Selectors.getSelector(2, KeyIdents);
+      break;
+    }
+    case NSArr_initWithArray:
+      Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("initWithArray"));
+      break;
+    case NSArr_initWithObjects:
+      Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("initWithObjects"));
+      break;
+    case NSArr_objectAtIndex:
+      Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("objectAtIndex"));
+      break;
+    case NSMutableArr_replaceObjectAtIndex: {
+      IdentifierInfo *KeyIdents[] = {
+        &Ctx.Idents.get("replaceObjectAtIndex"),
+        &Ctx.Idents.get("withObject")
+      };
+      Sel = Ctx.Selectors.getSelector(2, KeyIdents);
+      break;
+    }
+    }
+    return (NSArraySelectors[MK] = Sel);
+  }
+
+  return NSArraySelectors[MK];
+}
+
+llvm::Optional<NSAPI::NSArrayMethodKind>
+NSAPI::getNSArrayMethodKind(Selector Sel) {
+  for (unsigned i = 0; i != NumNSArrayMethods; ++i) {
+    NSArrayMethodKind MK = NSArrayMethodKind(i);
+    if (Sel == getNSArraySelector(MK))
+      return MK;
+  }
+
+  return llvm::Optional<NSArrayMethodKind>();
+}
+
+Selector NSAPI::getNSDictionarySelector(
+                                       NSDictionaryMethodKind MK) const {
+  if (NSDictionarySelectors[MK].isNull()) {
+    Selector Sel;
+    switch (MK) {
+    case NSDict_dictionary:
+      Sel = Ctx.Selectors.getNullarySelector(&Ctx.Idents.get("dictionary"));
+      break;
+    case NSDict_dictionaryWithDictionary:
+      Sel = Ctx.Selectors.getUnarySelector(
+                                   &Ctx.Idents.get("dictionaryWithDictionary"));
+      break;
+    case NSDict_dictionaryWithObjectForKey: {
+      IdentifierInfo *KeyIdents[] = {
+        &Ctx.Idents.get("dictionaryWithObject"),
+        &Ctx.Idents.get("forKey")
+      };
+      Sel = Ctx.Selectors.getSelector(2, KeyIdents);
+      break;
+    }
+    case NSDict_dictionaryWithObjectsForKeys: {
+      IdentifierInfo *KeyIdents[] = {
+        &Ctx.Idents.get("dictionaryWithObjects"),
+        &Ctx.Idents.get("forKeys")
+      };
+      Sel = Ctx.Selectors.getSelector(2, KeyIdents);
+      break;
+    }
+    case NSDict_dictionaryWithObjectsForKeysCount: {
+      IdentifierInfo *KeyIdents[] = {
+        &Ctx.Idents.get("dictionaryWithObjects"),
+        &Ctx.Idents.get("forKeys"),
+        &Ctx.Idents.get("count")
+      };
+      Sel = Ctx.Selectors.getSelector(3, KeyIdents);
+      break;
+    }
+    case NSDict_dictionaryWithObjectsAndKeys:
+      Sel = Ctx.Selectors.getUnarySelector(
+                               &Ctx.Idents.get("dictionaryWithObjectsAndKeys"));
+      break;
+    case NSDict_initWithDictionary:
+      Sel = Ctx.Selectors.getUnarySelector(
+                                         &Ctx.Idents.get("initWithDictionary"));
+      break;
+    case NSDict_initWithObjectsAndKeys:
+      Sel = Ctx.Selectors.getUnarySelector(
+                                     &Ctx.Idents.get("initWithObjectsAndKeys"));
+      break;
+    case NSDict_objectForKey:
+      Sel = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get("objectForKey"));
+      break;
+    case NSMutableDict_setObjectForKey: {
+      IdentifierInfo *KeyIdents[] = {
+        &Ctx.Idents.get("setObject"),
+        &Ctx.Idents.get("forKey")
+      };
+      Sel = Ctx.Selectors.getSelector(2, KeyIdents);
+      break;
+    }
+    }
+    return (NSDictionarySelectors[MK] = Sel);
+  }
+
+  return NSDictionarySelectors[MK];
+}
+
+llvm::Optional<NSAPI::NSDictionaryMethodKind>
+NSAPI::getNSDictionaryMethodKind(Selector Sel) {
+  for (unsigned i = 0; i != NumNSDictionaryMethods; ++i) {
+    NSDictionaryMethodKind MK = NSDictionaryMethodKind(i);
+    if (Sel == getNSDictionarySelector(MK))
+      return MK;
+  }
+
+  return llvm::Optional<NSDictionaryMethodKind>();
+}
+
+Selector NSAPI::getNSNumberLiteralSelector(NSNumberLiteralMethodKind MK,
+                                           bool Instance) const {
+  static const char *ClassSelectorName[NumNSNumberLiteralMethods] = {
+    "numberWithChar",
+    "numberWithUnsignedChar",
+    "numberWithShort",
+    "numberWithUnsignedShort",
+    "numberWithInt",
+    "numberWithUnsignedInt",
+    "numberWithLong",
+    "numberWithUnsignedLong",
+    "numberWithLongLong",
+    "numberWithUnsignedLongLong",
+    "numberWithFloat",
+    "numberWithDouble",
+    "numberWithBool",
+    "numberWithInteger",
+    "numberWithUnsignedInteger"
+  };
+  static const char *InstanceSelectorName[NumNSNumberLiteralMethods] = {
+    "initWithChar",
+    "initWithUnsignedChar",
+    "initWithShort",
+    "initWithUnsignedShort",
+    "initWithInt",
+    "initWithUnsignedInt",
+    "initWithLong",
+    "initWithUnsignedLong",
+    "initWithLongLong",
+    "initWithUnsignedLongLong",
+    "initWithFloat",
+    "initWithDouble",
+    "initWithBool",
+    "initWithInteger",
+    "initWithUnsignedInteger"
+  };
+
+  Selector *Sels;
+  const char **Names;
+  if (Instance) {
+    Sels = NSNumberInstanceSelectors;
+    Names = InstanceSelectorName;
+  } else {
+    Sels = NSNumberClassSelectors;
+    Names = ClassSelectorName;
+  }
+
+  if (Sels[MK].isNull())
+    Sels[MK] = Ctx.Selectors.getUnarySelector(&Ctx.Idents.get(Names[MK]));
+  return Sels[MK];
+}
+
+llvm::Optional<NSAPI::NSNumberLiteralMethodKind>
+NSAPI::getNSNumberLiteralMethodKind(Selector Sel) const {
+  for (unsigned i = 0; i != NumNSNumberLiteralMethods; ++i) {
+    NSNumberLiteralMethodKind MK = NSNumberLiteralMethodKind(i);
+    if (isNSNumberLiteralSelector(MK, Sel))
+      return MK;
+  }
+
+  return llvm::Optional<NSNumberLiteralMethodKind>();
+}
+
+llvm::Optional<NSAPI::NSNumberLiteralMethodKind>
+NSAPI::getNSNumberFactoryMethodKind(QualType T) {
+  const BuiltinType *BT = T->getAs<BuiltinType>();
+  if (!BT)
+    return llvm::Optional<NSAPI::NSNumberLiteralMethodKind>();
+  
+  switch (BT->getKind()) {
+  case BuiltinType::Char_S:
+  case BuiltinType::SChar:
+    return NSAPI::NSNumberWithChar;
+  case BuiltinType::Char_U:
+  case BuiltinType::UChar:
+    return NSAPI::NSNumberWithUnsignedChar;
+  case BuiltinType::Short:
+    return NSAPI::NSNumberWithShort;
+  case BuiltinType::UShort:
+    return NSAPI::NSNumberWithUnsignedShort;
+  case BuiltinType::Int:
+    return NSAPI::NSNumberWithInt;
+  case BuiltinType::UInt:
+    return NSAPI::NSNumberWithUnsignedInt;
+  case BuiltinType::Long:
+    return NSAPI::NSNumberWithLong;
+  case BuiltinType::ULong:
+    return NSAPI::NSNumberWithUnsignedLong;
+  case BuiltinType::LongLong:
+    return NSAPI::NSNumberWithLongLong;
+  case BuiltinType::ULongLong:
+    return NSAPI::NSNumberWithUnsignedLongLong;
+  case BuiltinType::Float:
+    return NSAPI::NSNumberWithFloat;
+  case BuiltinType::Double:
+    return NSAPI::NSNumberWithDouble;
+  case BuiltinType::Bool:
+    return NSAPI::NSNumberWithBool;
+    
+  case BuiltinType::Void:
+  case BuiltinType::WChar_U:
+  case BuiltinType::WChar_S:
+  case BuiltinType::Char16:
+  case BuiltinType::Char32:
+  case BuiltinType::Int128:
+  case BuiltinType::LongDouble:
+  case BuiltinType::UInt128:
+  case BuiltinType::NullPtr:
+  case BuiltinType::ObjCClass:
+  case BuiltinType::ObjCId:
+  case BuiltinType::ObjCSel:
+  case BuiltinType::BoundMember:
+  case BuiltinType::Dependent:
+  case BuiltinType::Overload:
+  case BuiltinType::UnknownAny:
+  case BuiltinType::ARCUnbridgedCast:
+  case BuiltinType::Half:
+  case BuiltinType::PseudoObject:
+    break;
+  }
+  
+  return llvm::Optional<NSAPI::NSNumberLiteralMethodKind>();
+}