Vendor import of clang r114020 (from the release_28 branch):

http://llvm.org/svn/llvm-project/cfe/branches/release_28@114020

Approved by:	rpaulo (mentor)

1 files changed, 136 insertions, 0 deletions

diff --git a/lib/Sema/AttributeList.cpp b/lib/Sema/AttributeList.cpp
new file mode 100644
index 0000000..8ccb2ca
--- /dev/null
+++ b/lib/Sema/AttributeList.cpp
@@ -0,0 +1,136 @@
+//===--- AttributeList.cpp --------------------------------------*- 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 the AttributeList class implementation
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Sema/AttributeList.h"
+#include "clang/Basic/IdentifierTable.h"
+#include "llvm/ADT/StringSwitch.h"
+using namespace clang;
+
+AttributeList::AttributeList(IdentifierInfo *aName, SourceLocation aLoc,
+                             IdentifierInfo *sName, SourceLocation sLoc,
+                             IdentifierInfo *pName, SourceLocation pLoc,
+                             Expr **ExprList, unsigned numArgs,
+                             AttributeList *n, bool declspec, bool cxx0x)
+  : AttrName(aName), AttrLoc(aLoc), ScopeName(sName), ScopeLoc(sLoc),
+    ParmName(pName), ParmLoc(pLoc), NumArgs(numArgs), Next(n),
+    DeclspecAttribute(declspec), CXX0XAttribute(cxx0x), Invalid(false) {
+
+  if (numArgs == 0)
+    Args = 0;
+  else {
+    Args = new Expr*[numArgs];
+    memcpy(Args, ExprList, numArgs*sizeof(Args[0]));
+  }
+}
+
+AttributeList::~AttributeList() {
+  if (Args) {
+    // FIXME: before we delete the vector, we need to make sure the Expr's
+    // have been deleted. Since ActionBase::ExprTy is "void", we are dependent
+    // on the actions module for actually freeing the memory. The specific
+    // hooks are ActOnDeclarator, ActOnTypeName, ActOnParamDeclaratorType,
+    // ParseField, ParseTag. Once these routines have freed the expression,
+    // they should zero out the Args slot (to indicate the memory has been
+    // freed). If any element of the vector is non-null, we should assert.
+    delete [] Args;
+  }
+  delete Next;
+}
+
+AttributeList::Kind AttributeList::getKind(const IdentifierInfo *Name) {
+  llvm::StringRef AttrName = Name->getName();
+
+  // Normalize the attribute name, __foo__ becomes foo.
+  if (AttrName.startswith("__") && AttrName.endswith("__"))
+    AttrName = AttrName.substr(2, AttrName.size() - 4);
+
+  return llvm::StringSwitch<AttributeList::Kind>(AttrName)
+    .Case("weak", AT_weak)
+    .Case("weakref", AT_weakref)
+    .Case("pure", AT_pure)
+    .Case("mode", AT_mode)
+    .Case("used", AT_used)
+    .Case("alias", AT_alias)
+    .Case("align", AT_aligned)
+    .Case("final", AT_final)
+    .Case("cdecl", AT_cdecl)
+    .Case("const", AT_const)
+    .Case("blocks", AT_blocks)
+    .Case("format", AT_format)
+    .Case("hiding", AT_hiding)
+    .Case("malloc", AT_malloc)
+    .Case("packed", AT_packed)
+    .Case("unused", AT_unused)
+    .Case("aligned", AT_aligned)
+    .Case("cleanup", AT_cleanup)
+    .Case("nodebug", AT_nodebug)
+    .Case("nonnull", AT_nonnull)
+    .Case("nothrow", AT_nothrow)
+    .Case("objc_gc", AT_objc_gc)
+    .Case("regparm", AT_regparm)
+    .Case("section", AT_section)
+    .Case("stdcall", AT_stdcall)
+    .Case("annotate", AT_annotate)
+    .Case("fastcall", AT_fastcall)
+    .Case("ibaction", AT_IBAction)
+    .Case("iboutlet", AT_IBOutlet)
+    .Case("iboutletcollection", AT_IBOutletCollection)
+    .Case("noreturn", AT_noreturn)
+    .Case("noinline", AT_noinline)
+    .Case("override", AT_override)
+    .Case("sentinel", AT_sentinel)
+    .Case("NSObject", AT_nsobject)
+    .Case("dllimport", AT_dllimport)
+    .Case("dllexport", AT_dllexport)
+    .Case("may_alias", IgnoredAttribute) // FIXME: TBAA
+    .Case("base_check", AT_base_check)
+    .Case("deprecated", AT_deprecated)
+    .Case("visibility", AT_visibility)
+    .Case("destructor", AT_destructor)
+    .Case("format_arg", AT_format_arg)
+    .Case("gnu_inline", AT_gnu_inline)
+    .Case("weak_import", AT_weak_import)
+    .Case("vecreturn", AT_vecreturn)
+    .Case("vector_size", AT_vector_size)
+    .Case("constructor", AT_constructor)
+    .Case("unavailable", AT_unavailable)
+    .Case("overloadable", AT_overloadable)
+    .Case("address_space", AT_address_space)
+    .Case("always_inline", AT_always_inline)
+    .Case("returns_twice", IgnoredAttribute)
+    .Case("vec_type_hint", IgnoredAttribute)
+    .Case("objc_exception", AT_objc_exception)
+    .Case("ext_vector_type", AT_ext_vector_type)
+    .Case("transparent_union", AT_transparent_union)
+    .Case("analyzer_noreturn", AT_analyzer_noreturn)
+    .Case("warn_unused_result", AT_warn_unused_result)
+    .Case("carries_dependency", AT_carries_dependency)
+    .Case("ns_returns_not_retained", AT_ns_returns_not_retained)
+    .Case("ns_returns_retained", AT_ns_returns_retained)
+    .Case("cf_returns_not_retained", AT_cf_returns_not_retained)
+    .Case("cf_returns_retained", AT_cf_returns_retained)
+    .Case("ownership_returns", AT_ownership_returns)
+    .Case("ownership_holds", AT_ownership_holds)
+    .Case("ownership_takes", AT_ownership_takes)
+    .Case("reqd_work_group_size", AT_reqd_wg_size)
+    .Case("init_priority", AT_init_priority)
+    .Case("no_instrument_function", AT_no_instrument_function)
+    .Case("thiscall", AT_thiscall)
+    .Case("pascal", AT_pascal)
+    .Case("__cdecl", AT_cdecl)
+    .Case("__stdcall", AT_stdcall)
+    .Case("__fastcall", AT_fastcall)
+    .Case("__thiscall", AT_thiscall)
+    .Case("__pascal", AT_pascal)
+    .Default(UnknownAttribute);
+}