Files
clang-p2996/lldb/source/Plugins/SymbolFile/DWARF/DWARFDeclContext.h
Sean Callanan 9076c0fffb Made all other "operator bool"s explicit and ensured
that all clients use them explicitly.  This will hopefully
prevent any future confusion where things get cast to types
we don't expect.

<rdar://problem/15146458>

llvm-svn: 191984
2013-10-04 21:35:29 +00:00

110 lines
2.4 KiB
C++

//===-- DWARFDeclContext.h --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef SymbolFileDWARF_DWARFDeclContext_h_
#define SymbolFileDWARF_DWARFDeclContext_h_
// C Includes
// C++ Includes
#include <string>
#include <vector>
// Other libraries and framework includes
#include "lldb/Core/ConstString.h"
// Project includes
#include "DWARFDefines.h"
//----------------------------------------------------------------------
// DWARFDeclContext
//
// A class that represents a declaration context all the way down to a
// DIE. This is useful when trying to find a DIE in one DWARF to a DIE
// in another DWARF file.
//----------------------------------------------------------------------
class DWARFDeclContext
{
public:
struct Entry
{
Entry () :
tag(0),
name(NULL)
{
}
Entry (dw_tag_t t, const char *n) :
tag(t),
name(n)
{
}
bool
NameMatches (const Entry& rhs) const
{
if (name == rhs.name)
return true;
else if (name && rhs.name)
return strcmp(name, rhs.name) == 0;
return false;
}
// Test operator
explicit operator bool() const
{
return tag != 0;
}
dw_tag_t tag;
const char *name;
};
DWARFDeclContext () :
m_entries()
{
}
void
AppendDeclContext (dw_tag_t tag, const char *name)
{
m_entries.push_back(Entry(tag, name));
}
bool
operator ==(const DWARFDeclContext& rhs) const;
uint32_t
GetSize() const
{
return m_entries.size();
}
Entry &
operator[] (uint32_t idx)
{
// "idx" must be valid
return m_entries[idx];
}
const Entry &
operator[] (uint32_t idx) const
{
// "idx" must be valid
return m_entries[idx];
}
const char *
GetQualifiedName () const;
protected:
typedef std::vector<Entry> collection;
collection m_entries;
mutable std::string m_qualified_name;
};
#endif // SymbolFileDWARF_DWARFDeclContext_h_