You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
3.1 KiB
88 lines
3.1 KiB
//===-- DWARFDeclContext.cpp ----------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "DWARFDeclContext.h"
|
|
|
|
const char *DWARFDeclContext::GetQualifiedName() const {
|
|
if (m_qualified_name.empty()) {
|
|
// The declaration context array for a class named "foo" in namespace
|
|
// "a::b::c" will be something like:
|
|
// [0] DW_TAG_class_type "foo"
|
|
// [1] DW_TAG_namespace "c"
|
|
// [2] DW_TAG_namespace "b"
|
|
// [3] DW_TAG_namespace "a"
|
|
if (!m_entries.empty()) {
|
|
if (m_entries.size() == 1) {
|
|
if (m_entries[0].name) {
|
|
m_qualified_name.append("::");
|
|
m_qualified_name.append(m_entries[0].name);
|
|
}
|
|
} else {
|
|
collection::const_reverse_iterator pos;
|
|
collection::const_reverse_iterator begin = m_entries.rbegin();
|
|
collection::const_reverse_iterator end = m_entries.rend();
|
|
for (pos = begin; pos != end; ++pos) {
|
|
if (pos != begin)
|
|
m_qualified_name.append("::");
|
|
if (pos->name == nullptr) {
|
|
if (pos->tag == DW_TAG_namespace)
|
|
m_qualified_name.append("(anonymous namespace)");
|
|
else if (pos->tag == DW_TAG_class_type)
|
|
m_qualified_name.append("(anonymous class)");
|
|
else if (pos->tag == DW_TAG_structure_type)
|
|
m_qualified_name.append("(anonymous struct)");
|
|
else if (pos->tag == DW_TAG_union_type)
|
|
m_qualified_name.append("(anonymous union)");
|
|
else
|
|
m_qualified_name.append("(anonymous)");
|
|
} else
|
|
m_qualified_name.append(pos->name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (m_qualified_name.empty())
|
|
return nullptr;
|
|
return m_qualified_name.c_str();
|
|
}
|
|
|
|
bool DWARFDeclContext::operator==(const DWARFDeclContext &rhs) const {
|
|
if (m_entries.size() != rhs.m_entries.size())
|
|
return false;
|
|
|
|
collection::const_iterator pos;
|
|
collection::const_iterator begin = m_entries.begin();
|
|
collection::const_iterator end = m_entries.end();
|
|
|
|
collection::const_iterator rhs_pos;
|
|
collection::const_iterator rhs_begin = rhs.m_entries.begin();
|
|
// The two entry arrays have the same size
|
|
|
|
// First compare the tags before we do expensive name compares
|
|
for (pos = begin, rhs_pos = rhs_begin; pos != end; ++pos, ++rhs_pos) {
|
|
if (pos->tag != rhs_pos->tag) {
|
|
// Check for DW_TAG_structure_type and DW_TAG_class_type as they are
|
|
// often used interchangeably in GCC
|
|
if (pos->tag == DW_TAG_structure_type &&
|
|
rhs_pos->tag == DW_TAG_class_type)
|
|
continue;
|
|
if (pos->tag == DW_TAG_class_type &&
|
|
rhs_pos->tag == DW_TAG_structure_type)
|
|
continue;
|
|
return false;
|
|
}
|
|
}
|
|
// The tags all match, now compare the names
|
|
for (pos = begin, rhs_pos = rhs_begin; pos != end; ++pos, ++rhs_pos) {
|
|
if (!pos->NameMatches(*rhs_pos))
|
|
return false;
|
|
}
|
|
// All tags and names match
|
|
return true;
|
|
}
|