Move CocoaConventions.[h,cpp] from libChecker

to libAnalysis.  Similar to Format (format string checking), 
CocoaConventions has the
potential to serve clients other than the
static analyzer.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122040 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 172 deletions

diff --git a/lib/Checker/CocoaConventions.cpp b/lib/Checker/CocoaConventions.cpp
deleted file mode 100644
index 8a3abc8bae..0000000000
--- a/lib/Checker/CocoaConventions.cpp
+++ /dev/null
@@ -1,172 +0,0 @@
-//===- CocoaConventions.h - Special handling of Cocoa conventions -*- C++ -*--//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines 
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Checker/DomainSpecific/CocoaConventions.h"
-#include "clang/AST/Type.h"
-#include "clang/AST/Decl.h"
-#include "clang/AST/DeclObjC.h"
-#include "llvm/ADT/StringExtras.h"
-
-using namespace clang;
-
-using llvm::StringRef;
-
-// The "fundamental rule" for naming conventions of methods:
-//  (url broken into two lines)
-//  http://developer.apple.com/documentation/Cocoa/Conceptual/
-//     MemoryMgmt/Tasks/MemoryManagementRules.html
-//
-// "You take ownership of an object if you create it using a method whose name
-//  begins with "alloc" or "new" or contains "copy" (for example, alloc,
-//  newObject, or mutableCopy), or if you send it a retain message. You are
-//  responsible for relinquishing ownership of objects you own using release
-//  or autorelease. Any other time you receive an object, you must
-//  not release it."
-//
-
-static bool isWordEnd(char ch, char prev, char next) {
-  return ch == '\0'
-      || (islower(prev) && isupper(ch)) // xxxC
-      || (isupper(prev) && isupper(ch) && islower(next)) // XXCreate
-      || !isalpha(ch);
-}
-
-static const char* parseWord(const char* s) {
-  char ch = *s, prev = '\0';
-  assert(ch != '\0');
-  char next = *(s+1);
-  while (!isWordEnd(ch, prev, next)) {
-    prev = ch;
-    ch = next;
-    next = *((++s)+1);
-  }
-  return s;
-}
-
-cocoa::NamingConvention cocoa::deriveNamingConvention(Selector S) {
-  IdentifierInfo *II = S.getIdentifierInfoForSlot(0);
-
-  if (!II)
-    return NoConvention;
-
-  const char *s = II->getNameStart();
-
-  // A method/function name may contain a prefix.  We don't know it is there,
-  // however, until we encounter the first '_'.
-  while (*s != '\0') {
-    // Skip '_', numbers, ':', etc.
-    if (*s == '_' || !isalpha(*s)) {      
-      ++s;
-      continue;
-    }
-    break;
-  }
-
-  // Parse the first word, and look for specific keywords.
-  const char *wordEnd = parseWord(s);
-  assert(wordEnd > s);
-  unsigned len = wordEnd - s;
-
-  switch (len) {
-    default:
-      return NoConvention;
-    case 3:
-      // Methods starting with 'new' follow the create rule.
-      return (memcmp(s, "new", 3) == 0) ? CreateRule : NoConvention;
-    case 4:
-      // Methods starting with 'copy' follow the create rule.
-      if (memcmp(s, "copy", 4) == 0)
-        return CreateRule;
-      // Methods starting with 'init' follow the init rule.
-      if (memcmp(s, "init", 4) == 0)
-        return InitRule;
-      return NoConvention;
-    case 5:
-      return (memcmp(s, "alloc", 5) == 0) ? CreateRule : NoConvention;
-    case 7:
-      // Methods starting with 'mutableCopy' follow the create rule.
-      if (memcmp(s, "mutable", 7) == 0) {
-        // Look at the next word to see if it is "Copy".
-        s = wordEnd;
-        wordEnd = parseWord(s);
-        len = wordEnd - s;
-        if (len == 4 && memcmp(s, "Copy", 4) == 0)
-          return CreateRule;
-      }
-      return NoConvention;
-  }
-}
-
-bool cocoa::isRefType(QualType RetTy, llvm::StringRef Prefix,
-                      llvm::StringRef Name) {
-  // Recursively walk the typedef stack, allowing typedefs of reference types.
-  while (TypedefType* TD = dyn_cast<TypedefType>(RetTy.getTypePtr())) {
-    llvm::StringRef TDName = TD->getDecl()->getIdentifier()->getName();
-    if (TDName.startswith(Prefix) && TDName.endswith("Ref"))
-      return true;
-    
-    RetTy = TD->getDecl()->getUnderlyingType();
-  }
-  
-  if (Name.empty())
-    return false;
-  
-  // Is the type void*?
-  const PointerType* PT = RetTy->getAs<PointerType>();
-  if (!(PT->getPointeeType().getUnqualifiedType()->isVoidType()))
-    return false;
-  
-  // Does the name start with the prefix?
-  return Name.startswith(Prefix);
-}
-
-bool cocoa::isCFObjectRef(QualType T) {
-  return isRefType(T, "CF") || // Core Foundation.
-         isRefType(T, "CG") || // Core Graphics.
-         isRefType(T, "DADisk") || // Disk Arbitration API.
-         isRefType(T, "DADissenter") ||
-         isRefType(T, "DASessionRef");
-}
-
-
-bool cocoa::isCocoaObjectRef(QualType Ty) {
-  if (!Ty->isObjCObjectPointerType())
-    return false;
-  
-  const ObjCObjectPointerType *PT = Ty->getAs<ObjCObjectPointerType>();
-  
-  // Can be true for objects with the 'NSObject' attribute.
-  if (!PT)
-    return true;
-  
-  // We assume that id<..>, id, Class, and Class<..> all represent tracked
-  // objects.
-  if (PT->isObjCIdType() || PT->isObjCQualifiedIdType() ||
-      PT->isObjCClassType() || PT->isObjCQualifiedClassType())
-    return true;
-  
-  // Does the interface subclass NSObject?
-  // FIXME: We can memoize here if this gets too expensive.
-  const ObjCInterfaceDecl *ID = PT->getInterfaceDecl();
-  
-  // Assume that anything declared with a forward declaration and no
-  // @interface subclasses NSObject.
-  if (ID->isForwardDecl())
-    return true;
-  
-  for ( ; ID ; ID = ID->getSuperClass())
-    if (ID->getIdentifier()->getName() == "NSObject")
-      return true;
-  
-  return false;
-}