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| //===-- FileLineResolver.cpp ------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/FileLineResolver.h"
#include "lldb/Core/FileSpecList.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/LineTable.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/Utility/Stream.h"
#include <string>
namespace lldb_private {
class Address;
}
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) {
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;
}
lldb::SearchDepth FileLineResolver::GetDepth() {
return lldb::eSearchDepthCompUnit;
}
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;
}
|