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-rw-r--r--clang/lib/Parse/AttributeList.cpp98
1 files changed, 98 insertions, 0 deletions
diff --git a/clang/lib/Parse/AttributeList.cpp b/clang/lib/Parse/AttributeList.cpp
new file mode 100644
index 00000000000..0ff9447d2e6
--- /dev/null
+++ b/clang/lib/Parse/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/Parse/AttributeList.h"
+using namespace clang;
+
+AttributeList::AttributeList(IdentifierInfo *aName, SourceLocation aLoc,
+ IdentifierInfo *pName, SourceLocation pLoc,
+ Action::ExprTy **elist, unsigned numargs,
+ AttributeList *n)
+ : AttrName(aName), AttrLoc(aLoc), ParmName(pName), ParmLoc(pLoc),
+ NumArgs(numargs), Next(n) {
+ Args = new Action::ExprTy*[numargs];
+ for (unsigned i = 0; i != numargs; ++i)
+ Args[i] = elist[i];
+}
+
+AttributeList::~AttributeList() {
+ if (Args) {
+ // FIXME: before we delete the vector, we need to make sure the Expr's
+ // have been deleted. Since Action::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) {
+ const char *Str = Name->getName();
+ unsigned Len = Name->getLength();
+
+ // Normalize the attribute name, __foo__ becomes foo.
+ if (Len > 4 && Str[0] == '_' && Str[1] == '_' &&
+ Str[Len - 2] == '_' && Str[Len - 1] == '_') {
+ Str += 2;
+ Len -= 4;
+ }
+
+ switch (Len) {
+ case 4:
+ if (!memcmp(Str, "weak", 4)) return AT_weak;
+ if (!memcmp(Str, "pure", 4)) return AT_pure;
+ break;
+ case 6:
+ if (!memcmp(Str, "packed", 6)) return AT_packed;
+ if (!memcmp(Str, "malloc", 6)) return AT_malloc;
+ if (!memcmp(Str, "format", 6)) return AT_format;
+ if (!memcmp(Str, "unused", 6)) return AT_unused;
+ break;
+ case 7:
+ if (!memcmp(Str, "aligned", 7)) return AT_aligned;
+ if (!memcmp(Str, "nothrow", 7)) return AT_nothrow;
+ if (!memcmp(Str, "nonnull", 7)) return AT_nonnull;
+ if (!memcmp(Str, "stdcall", 7)) return AT_stdcall;
+ break;
+ case 8:
+ if (!memcmp(Str, "annotate", 8)) return AT_annotate;
+ if (!memcmp(Str, "noreturn", 8)) return AT_noreturn;
+ if (!memcmp(Str, "noinline", 8)) return AT_noinline;
+ if (!memcmp(Str, "fastcall", 8)) return AT_fastcall;
+ break;
+ case 9:
+ if (!memcmp(Str, "dllimport", 9)) return AT_dllimport;
+ if (!memcmp(Str, "dllexport", 9)) return AT_dllexport;
+ break;
+ case 10:
+ if (!memcmp(Str, "deprecated", 10)) return AT_deprecated;
+ if (!memcmp(Str, "visibility", 10)) return AT_visibility;
+ break;
+ case 11:
+ if (!memcmp(Str, "vector_size", 11)) return AT_vector_size;
+ break;
+ case 13:
+ if (!memcmp(Str, "address_space", 13)) return AT_address_space;
+ break;
+ case 15:
+ if (!memcmp(Str, "ocu_vector_type", 15)) return AT_ocu_vector_type;
+ break;
+ case 18:
+ if (!memcmp(Str, "warn_unused_result", 18)) return AT_warn_unused_result;
+ break;
+ }
+ return UnknownAttribute;
+}
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