llvm-project/lldb/source/Core/FileLineResolver.cpp

118 lines
3.1 KiB
C++

//===-- FileLineResolver.cpp ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/FileLineResolver.h"
// Project includes
#include "lldb/lldb-private-log.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/LineTable.h"
using namespace lldb;
using namespace lldb_private;
//----------------------------------------------------------------------
// FileLineResolver:
//----------------------------------------------------------------------
FileLineResolver::FileLineResolver
(
const FileSpec &file_spec,
uint32_t line_no,
bool check_inlines
) :
Searcher (),
m_file_spec (file_spec),
m_line_number (line_no),
m_inlines (check_inlines)
{
}
FileLineResolver::~FileLineResolver ()
{
}
Searcher::CallbackReturn
FileLineResolver::SearchCallback
(
SearchFilter &filter,
SymbolContext &context,
Address *addr,
bool containing
)
{
CompileUnit *cu = context.comp_unit;
if (m_inlines || m_file_spec.Compare(*cu, m_file_spec, (bool)m_file_spec.GetDirectory()))
{
uint32_t start_file_idx = 0;
uint32_t file_idx = cu->GetSupportFiles().FindFileIndex(start_file_idx, m_file_spec, false);
if (file_idx != UINT32_MAX)
{
LineTable *line_table = cu->GetLineTable();
if (line_table)
{
if (m_line_number == 0)
{
// Match all lines in a file...
const bool append = true;
while (file_idx != UINT32_MAX)
{
line_table->FineLineEntriesForFileIndex (file_idx, append, m_sc_list);
// Get the next file index in case we have multiple file
// entries for the same file
file_idx = cu->GetSupportFiles().FindFileIndex(file_idx + 1, m_file_spec, false);
}
}
else
{
// Match a specific line in a file...
}
}
}
}
return Searcher::eCallbackReturnContinue;
}
Searcher::Depth
FileLineResolver::GetDepth()
{
return Searcher::eDepthCompUnit;
}
void
FileLineResolver::GetDescription (Stream *s)
{
s->Printf ("File and line resolver for file: \"%s\" line: %u",
m_file_spec.GetPath().c_str(),
m_line_number);
}
void
FileLineResolver::Clear()
{
m_file_spec.Clear();
m_line_number = UINT32_MAX;
m_sc_list.Clear();
m_inlines = true;
}
void
FileLineResolver::Reset (const FileSpec &file_spec,
uint32_t line,
bool check_inlines)
{
m_file_spec = file_spec;
m_line_number = line;
m_sc_list.Clear();
m_inlines = check_inlines;
}