6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
105 lines
3.6 KiB
C++
105 lines
3.6 KiB
C++
//===- DeclLookups.h - Low-level interface to all names in a DC -*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines DeclContext::all_lookups_iterator.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CLANG_AST_DECLLOOKUPS_H
|
|
#define LLVM_CLANG_AST_DECLLOOKUPS_H
|
|
|
|
#include "clang/AST/ASTContext.h"
|
|
#include "clang/AST/DeclBase.h"
|
|
#include "clang/AST/DeclContextInternals.h"
|
|
#include "clang/AST/DeclarationName.h"
|
|
#include "clang/AST/ExternalASTSource.h"
|
|
#include <cstddef>
|
|
#include <iterator>
|
|
|
|
namespace clang {
|
|
|
|
/// all_lookups_iterator - An iterator that provides a view over the results
|
|
/// of looking up every possible name.
|
|
class DeclContext::all_lookups_iterator {
|
|
StoredDeclsMap::iterator It, End;
|
|
|
|
public:
|
|
using value_type = lookup_result;
|
|
using reference = lookup_result;
|
|
using pointer = lookup_result;
|
|
using iterator_category = std::forward_iterator_tag;
|
|
using difference_type = std::ptrdiff_t;
|
|
|
|
all_lookups_iterator() = default;
|
|
all_lookups_iterator(StoredDeclsMap::iterator It,
|
|
StoredDeclsMap::iterator End)
|
|
: It(It), End(End) {}
|
|
|
|
DeclarationName getLookupName() const { return It->first; }
|
|
|
|
reference operator*() const { return It->second.getLookupResult(); }
|
|
pointer operator->() const { return It->second.getLookupResult(); }
|
|
|
|
all_lookups_iterator& operator++() {
|
|
// Filter out using directives. They don't belong as results from name
|
|
// lookup anyways, except as an implementation detail. Users of the API
|
|
// should not expect to get them (or worse, rely on it).
|
|
do {
|
|
++It;
|
|
} while (It != End &&
|
|
It->first == DeclarationName::getUsingDirectiveName());
|
|
|
|
return *this;
|
|
}
|
|
|
|
all_lookups_iterator operator++(int) {
|
|
all_lookups_iterator tmp(*this);
|
|
++(*this);
|
|
return tmp;
|
|
}
|
|
|
|
friend bool operator==(all_lookups_iterator x, all_lookups_iterator y) {
|
|
return x.It == y.It;
|
|
}
|
|
|
|
friend bool operator!=(all_lookups_iterator x, all_lookups_iterator y) {
|
|
return x.It != y.It;
|
|
}
|
|
};
|
|
|
|
inline DeclContext::lookups_range DeclContext::lookups() const {
|
|
DeclContext *Primary = const_cast<DeclContext*>(this)->getPrimaryContext();
|
|
if (Primary->hasExternalVisibleStorage())
|
|
getParentASTContext().getExternalSource()->completeVisibleDeclsMap(Primary);
|
|
if (StoredDeclsMap *Map = Primary->buildLookup())
|
|
return lookups_range(all_lookups_iterator(Map->begin(), Map->end()),
|
|
all_lookups_iterator(Map->end(), Map->end()));
|
|
|
|
// Synthesize an empty range. This requires that two default constructed
|
|
// versions of these iterators form a valid empty range.
|
|
return lookups_range(all_lookups_iterator(), all_lookups_iterator());
|
|
}
|
|
|
|
inline DeclContext::lookups_range
|
|
DeclContext::noload_lookups(bool PreserveInternalState) const {
|
|
DeclContext *Primary = const_cast<DeclContext*>(this)->getPrimaryContext();
|
|
if (!PreserveInternalState)
|
|
Primary->loadLazyLocalLexicalLookups();
|
|
if (StoredDeclsMap *Map = Primary->getLookupPtr())
|
|
return lookups_range(all_lookups_iterator(Map->begin(), Map->end()),
|
|
all_lookups_iterator(Map->end(), Map->end()));
|
|
|
|
// Synthesize an empty range. This requires that two default constructed
|
|
// versions of these iterators form a valid empty range.
|
|
return lookups_range(all_lookups_iterator(), all_lookups_iterator());
|
|
}
|
|
|
|
} // namespace clang
|
|
|
|
#endif // LLVM_CLANG_AST_DECLLOOKUPS_H
|