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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);
}
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