| //===--- 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" |
| #include "clang/Basic/IdentifierTable.h" |
| #include "llvm/ADT/StringSwitch.h" |
| using namespace clang; |
| |
| AttributeList::AttributeList(IdentifierInfo *aName, SourceLocation aLoc, |
| IdentifierInfo *pName, SourceLocation pLoc, |
| ActionBase::ExprTy **ExprList, unsigned numArgs, |
| AttributeList *n, bool declspec) |
| : AttrName(aName), AttrLoc(aLoc), ParmName(pName), ParmLoc(pLoc), |
| NumArgs(numArgs), Next(n), DeclspecAttribute(declspec) { |
| |
| if (numArgs == 0) |
| Args = 0; |
| else { |
| Args = new ActionBase::ExprTy*[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); |
| |
| // FIXME: Hand generating this is neither smart nor efficient. |
| return llvm::StringSwitch<AttributeList::Kind>(AttrName) |
| .Case("weak", AT_weak) |
| .Case("pure", AT_pure) |
| .Case("mode", AT_mode) |
| .Case("used", AT_used) |
| .Case("alias", AT_alias) |
| .Case("const", AT_const) |
| .Case("packed", AT_packed) |
| .Case("malloc", AT_malloc) |
| .Case("format", AT_format) |
| .Case("unused", AT_unused) |
| .Case("blocks", AT_blocks) |
| .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("noreturn", AT_noreturn) |
| .Case("noinline", AT_noinline) |
| .Case("fastcall", AT_fastcall) |
| .Case("iboutlet", AT_IBOutlet) |
| .Case("sentinel", AT_sentinel) |
| .Case("NSObject", AT_nsobject) |
| .Case("dllimport", AT_dllimport) |
| .Case("dllexport", AT_dllexport) |
| .Case("may_alias", IgnoredAttribute) // FIXME: TBAA |
| .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("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("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("ns_returns_retained", AT_ns_returns_retained) |
| .Case("cf_returns_retained", AT_cf_returns_retained) |
| .Case("reqd_work_group_size", AT_reqd_wg_size) |
| .Case("no_instrument_function", AT_no_instrument_function) |
| .Default(UnknownAttribute); |
| } |