AttributeList.cpp revision 212795
1212795Sdim//===--- AttributeList.cpp --------------------------------------*- C++ -*-===// 2212795Sdim// 3212795Sdim// The LLVM Compiler Infrastructure 4212795Sdim// 5212795Sdim// This file is distributed under the University of Illinois Open Source 6212795Sdim// License. See LICENSE.TXT for details. 7212795Sdim// 8212795Sdim//===----------------------------------------------------------------------===// 9212795Sdim// 10212795Sdim// This file defines the AttributeList class implementation 11212795Sdim// 12212795Sdim//===----------------------------------------------------------------------===// 13212795Sdim 14212795Sdim#include "clang/Sema/AttributeList.h" 15212795Sdim#include "clang/Basic/IdentifierTable.h" 16212795Sdim#include "llvm/ADT/StringSwitch.h" 17212795Sdimusing namespace clang; 18212795Sdim 19212795SdimAttributeList::AttributeList(IdentifierInfo *aName, SourceLocation aLoc, 20212795Sdim IdentifierInfo *sName, SourceLocation sLoc, 21212795Sdim IdentifierInfo *pName, SourceLocation pLoc, 22212795Sdim Expr **ExprList, unsigned numArgs, 23212795Sdim AttributeList *n, bool declspec, bool cxx0x) 24212795Sdim : AttrName(aName), AttrLoc(aLoc), ScopeName(sName), ScopeLoc(sLoc), 25212795Sdim ParmName(pName), ParmLoc(pLoc), NumArgs(numArgs), Next(n), 26212795Sdim DeclspecAttribute(declspec), CXX0XAttribute(cxx0x), Invalid(false) { 27212795Sdim 28212795Sdim if (numArgs == 0) 29212795Sdim Args = 0; 30212795Sdim else { 31212795Sdim Args = new Expr*[numArgs]; 32212795Sdim memcpy(Args, ExprList, numArgs*sizeof(Args[0])); 33212795Sdim } 34212795Sdim} 35212795Sdim 36212795SdimAttributeList::~AttributeList() { 37212795Sdim if (Args) { 38212795Sdim // FIXME: before we delete the vector, we need to make sure the Expr's 39212795Sdim // have been deleted. Since ActionBase::ExprTy is "void", we are dependent 40212795Sdim // on the actions module for actually freeing the memory. The specific 41212795Sdim // hooks are ActOnDeclarator, ActOnTypeName, ActOnParamDeclaratorType, 42212795Sdim // ParseField, ParseTag. Once these routines have freed the expression, 43212795Sdim // they should zero out the Args slot (to indicate the memory has been 44212795Sdim // freed). If any element of the vector is non-null, we should assert. 45212795Sdim delete [] Args; 46212795Sdim } 47212795Sdim delete Next; 48212795Sdim} 49212795Sdim 50212795SdimAttributeList::Kind AttributeList::getKind(const IdentifierInfo *Name) { 51212795Sdim llvm::StringRef AttrName = Name->getName(); 52212795Sdim 53212795Sdim // Normalize the attribute name, __foo__ becomes foo. 54212795Sdim if (AttrName.startswith("__") && AttrName.endswith("__")) 55212795Sdim AttrName = AttrName.substr(2, AttrName.size() - 4); 56212795Sdim 57212795Sdim return llvm::StringSwitch<AttributeList::Kind>(AttrName) 58212795Sdim .Case("weak", AT_weak) 59212795Sdim .Case("weakref", AT_weakref) 60212795Sdim .Case("pure", AT_pure) 61212795Sdim .Case("mode", AT_mode) 62212795Sdim .Case("used", AT_used) 63212795Sdim .Case("alias", AT_alias) 64212795Sdim .Case("align", AT_aligned) 65212795Sdim .Case("final", AT_final) 66212795Sdim .Case("cdecl", AT_cdecl) 67212795Sdim .Case("const", AT_const) 68212795Sdim .Case("blocks", AT_blocks) 69212795Sdim .Case("format", AT_format) 70212795Sdim .Case("hiding", AT_hiding) 71212795Sdim .Case("malloc", AT_malloc) 72212795Sdim .Case("packed", AT_packed) 73212795Sdim .Case("unused", AT_unused) 74212795Sdim .Case("aligned", AT_aligned) 75212795Sdim .Case("cleanup", AT_cleanup) 76212795Sdim .Case("nodebug", AT_nodebug) 77212795Sdim .Case("nonnull", AT_nonnull) 78212795Sdim .Case("nothrow", AT_nothrow) 79212795Sdim .Case("objc_gc", AT_objc_gc) 80212795Sdim .Case("regparm", AT_regparm) 81212795Sdim .Case("section", AT_section) 82212795Sdim .Case("stdcall", AT_stdcall) 83212795Sdim .Case("annotate", AT_annotate) 84212795Sdim .Case("fastcall", AT_fastcall) 85212795Sdim .Case("ibaction", AT_IBAction) 86212795Sdim .Case("iboutlet", AT_IBOutlet) 87212795Sdim .Case("iboutletcollection", AT_IBOutletCollection) 88212795Sdim .Case("noreturn", AT_noreturn) 89212795Sdim .Case("noinline", AT_noinline) 90212795Sdim .Case("override", AT_override) 91212795Sdim .Case("sentinel", AT_sentinel) 92212795Sdim .Case("NSObject", AT_nsobject) 93212795Sdim .Case("dllimport", AT_dllimport) 94212795Sdim .Case("dllexport", AT_dllexport) 95212795Sdim .Case("may_alias", IgnoredAttribute) // FIXME: TBAA 96212795Sdim .Case("base_check", AT_base_check) 97212795Sdim .Case("deprecated", AT_deprecated) 98212795Sdim .Case("visibility", AT_visibility) 99212795Sdim .Case("destructor", AT_destructor) 100212795Sdim .Case("format_arg", AT_format_arg) 101212795Sdim .Case("gnu_inline", AT_gnu_inline) 102212795Sdim .Case("weak_import", AT_weak_import) 103212795Sdim .Case("vecreturn", AT_vecreturn) 104212795Sdim .Case("vector_size", AT_vector_size) 105212795Sdim .Case("constructor", AT_constructor) 106212795Sdim .Case("unavailable", AT_unavailable) 107212795Sdim .Case("overloadable", AT_overloadable) 108212795Sdim .Case("address_space", AT_address_space) 109212795Sdim .Case("always_inline", AT_always_inline) 110212795Sdim .Case("returns_twice", IgnoredAttribute) 111212795Sdim .Case("vec_type_hint", IgnoredAttribute) 112212795Sdim .Case("objc_exception", AT_objc_exception) 113212795Sdim .Case("ext_vector_type", AT_ext_vector_type) 114212795Sdim .Case("transparent_union", AT_transparent_union) 115212795Sdim .Case("analyzer_noreturn", AT_analyzer_noreturn) 116212795Sdim .Case("warn_unused_result", AT_warn_unused_result) 117212795Sdim .Case("carries_dependency", AT_carries_dependency) 118212795Sdim .Case("ns_returns_not_retained", AT_ns_returns_not_retained) 119212795Sdim .Case("ns_returns_retained", AT_ns_returns_retained) 120212795Sdim .Case("cf_returns_not_retained", AT_cf_returns_not_retained) 121212795Sdim .Case("cf_returns_retained", AT_cf_returns_retained) 122212795Sdim .Case("ownership_returns", AT_ownership_returns) 123212795Sdim .Case("ownership_holds", AT_ownership_holds) 124212795Sdim .Case("ownership_takes", AT_ownership_takes) 125212795Sdim .Case("reqd_work_group_size", AT_reqd_wg_size) 126212795Sdim .Case("init_priority", AT_init_priority) 127212795Sdim .Case("no_instrument_function", AT_no_instrument_function) 128212795Sdim .Case("thiscall", AT_thiscall) 129212795Sdim .Case("pascal", AT_pascal) 130212795Sdim .Case("__cdecl", AT_cdecl) 131212795Sdim .Case("__stdcall", AT_stdcall) 132212795Sdim .Case("__fastcall", AT_fastcall) 133212795Sdim .Case("__thiscall", AT_thiscall) 134212795Sdim .Case("__pascal", AT_pascal) 135212795Sdim .Default(UnknownAttribute); 136212795Sdim} 137