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-rw-r--r--lib/Sema/AttributeList.cpp136
1 files changed, 136 insertions, 0 deletions
diff --git a/lib/Sema/AttributeList.cpp b/lib/Sema/AttributeList.cpp
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+//===--- 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);
+}