зеркало из https://github.com/microsoft/clang-1.git
135 строки
5.2 KiB
C++
135 строки
5.2 KiB
C++
//===--- AttributeList.cpp --------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the AttributeList class implementation
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Parse/AttributeList.h"
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#include "clang/Basic/IdentifierTable.h"
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#include "llvm/ADT/StringSwitch.h"
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using namespace clang;
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AttributeList::AttributeList(IdentifierInfo *aName, SourceLocation aLoc,
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IdentifierInfo *sName, SourceLocation sLoc,
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IdentifierInfo *pName, SourceLocation pLoc,
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ActionBase::ExprTy **ExprList, unsigned numArgs,
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AttributeList *n, bool declspec, bool cxx0x)
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: AttrName(aName), AttrLoc(aLoc), ScopeName(sName), ScopeLoc(sLoc),
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ParmName(pName), ParmLoc(pLoc), NumArgs(numArgs), Next(n),
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DeclspecAttribute(declspec), CXX0XAttribute(cxx0x), Invalid(false) {
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if (numArgs == 0)
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Args = 0;
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else {
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Args = new ActionBase::ExprTy*[numArgs];
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memcpy(Args, ExprList, numArgs*sizeof(Args[0]));
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}
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}
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AttributeList::~AttributeList() {
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if (Args) {
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// FIXME: before we delete the vector, we need to make sure the Expr's
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// have been deleted. Since ActionBase::ExprTy is "void", we are dependent
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// on the actions module for actually freeing the memory. The specific
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// hooks are ActOnDeclarator, ActOnTypeName, ActOnParamDeclaratorType,
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// ParseField, ParseTag. Once these routines have freed the expression,
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// they should zero out the Args slot (to indicate the memory has been
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// freed). If any element of the vector is non-null, we should assert.
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delete [] Args;
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}
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delete Next;
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}
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AttributeList::Kind AttributeList::getKind(const IdentifierInfo *Name) {
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llvm::StringRef AttrName = Name->getName();
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// Normalize the attribute name, __foo__ becomes foo.
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if (AttrName.startswith("__") && AttrName.endswith("__"))
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AttrName = AttrName.substr(2, AttrName.size() - 4);
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return llvm::StringSwitch<AttributeList::Kind>(AttrName)
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.Case("weak", AT_weak)
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.Case("weakref", AT_weakref)
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.Case("pure", AT_pure)
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.Case("mode", AT_mode)
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.Case("used", AT_used)
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.Case("alias", AT_alias)
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.Case("align", AT_aligned)
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.Case("final", AT_final)
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.Case("cdecl", AT_cdecl)
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.Case("const", AT_const)
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.Case("blocks", AT_blocks)
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.Case("format", AT_format)
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.Case("hiding", AT_hiding)
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.Case("malloc", AT_malloc)
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.Case("packed", AT_packed)
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.Case("unused", AT_unused)
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.Case("aligned", AT_aligned)
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.Case("cleanup", AT_cleanup)
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.Case("nodebug", AT_nodebug)
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.Case("nonnull", AT_nonnull)
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.Case("nothrow", AT_nothrow)
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.Case("objc_gc", AT_objc_gc)
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.Case("regparm", AT_regparm)
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.Case("section", AT_section)
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.Case("stdcall", AT_stdcall)
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.Case("annotate", AT_annotate)
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.Case("fastcall", AT_fastcall)
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.Case("ibaction", AT_IBAction)
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.Case("iboutlet", AT_IBOutlet)
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.Case("iboutletcollection", AT_IBOutletCollection)
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.Case("noreturn", AT_noreturn)
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.Case("noinline", AT_noinline)
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.Case("override", AT_override)
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.Case("sentinel", AT_sentinel)
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.Case("NSObject", AT_nsobject)
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.Case("dllimport", AT_dllimport)
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.Case("dllexport", AT_dllexport)
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.Case("may_alias", IgnoredAttribute) // FIXME: TBAA
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.Case("base_check", AT_base_check)
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.Case("deprecated", AT_deprecated)
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.Case("visibility", AT_visibility)
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.Case("destructor", AT_destructor)
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.Case("format_arg", AT_format_arg)
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.Case("gnu_inline", AT_gnu_inline)
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.Case("weak_import", AT_weak_import)
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.Case("vecreturn", AT_vecreturn)
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.Case("vector_size", AT_vector_size)
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.Case("constructor", AT_constructor)
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.Case("unavailable", AT_unavailable)
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.Case("overloadable", AT_overloadable)
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.Case("address_space", AT_address_space)
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.Case("always_inline", AT_always_inline)
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.Case("returns_twice", IgnoredAttribute)
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.Case("vec_type_hint", IgnoredAttribute)
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.Case("objc_exception", AT_objc_exception)
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.Case("ext_vector_type", AT_ext_vector_type)
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.Case("transparent_union", AT_transparent_union)
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.Case("analyzer_noreturn", AT_analyzer_noreturn)
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.Case("warn_unused_result", AT_warn_unused_result)
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.Case("carries_dependency", AT_carries_dependency)
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.Case("ns_returns_not_retained", AT_ns_returns_not_retained)
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.Case("ns_returns_retained", AT_ns_returns_retained)
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.Case("cf_returns_not_retained", AT_cf_returns_not_retained)
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.Case("cf_returns_retained", AT_cf_returns_retained)
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.Case("ownership_returns", AT_ownership_returns)
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.Case("ownership_holds", AT_ownership_holds)
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.Case("ownership_takes", AT_ownership_takes)
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.Case("reqd_work_group_size", AT_reqd_wg_size)
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.Case("init_priority", AT_init_priority)
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.Case("no_instrument_function", AT_no_instrument_function)
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.Case("thiscall", AT_thiscall)
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.Case("__cdecl", AT_cdecl)
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.Case("__stdcall", AT_stdcall)
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.Case("__fastcall", AT_fastcall)
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.Case("__thiscall", AT_thiscall)
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.Default(UnknownAttribute);
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}
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