90 lines · cpp
1//===-- FileLineResolver.cpp ----------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "lldb/Core/FileLineResolver.h"10 11#include "lldb/Symbol/CompileUnit.h"12#include "lldb/Symbol/LineTable.h"13#include "lldb/Utility/ConstString.h"14#include "lldb/Utility/FileSpecList.h"15#include "lldb/Utility/Stream.h"16 17#include <string>18 19namespace lldb_private {20class Address;21}22 23using namespace lldb;24using namespace lldb_private;25 26// FileLineResolver:27FileLineResolver::FileLineResolver(const FileSpec &file_spec, uint32_t line_no,28 bool check_inlines)29 : Searcher(), m_file_spec(file_spec), m_line_number(line_no),30 m_inlines(check_inlines) {}31 32FileLineResolver::~FileLineResolver() = default;33 34Searcher::CallbackReturn35FileLineResolver::SearchCallback(SearchFilter &filter, SymbolContext &context,36 Address *addr) {37 CompileUnit *cu = context.comp_unit;38 39 if (m_inlines || m_file_spec.Compare(cu->GetPrimaryFile(), m_file_spec,40 (bool)m_file_spec.GetDirectory())) {41 uint32_t start_file_idx = 0;42 uint32_t file_idx =43 cu->GetSupportFiles().FindFileIndex(start_file_idx, m_file_spec, false);44 if (file_idx != UINT32_MAX) {45 LineTable *line_table = cu->GetLineTable();46 if (line_table) {47 if (m_line_number == 0) {48 // Match all lines in a file...49 const bool append = true;50 while (file_idx != UINT32_MAX) {51 line_table->FindLineEntriesForFileIndex(file_idx, append,52 m_sc_list);53 // Get the next file index in case we have multiple file entries54 // for the same file55 file_idx = cu->GetSupportFiles().FindFileIndex(file_idx + 1,56 m_file_spec, false);57 }58 } else {59 // Match a specific line in a file...60 }61 }62 }63 }64 return Searcher::eCallbackReturnContinue;65}66 67lldb::SearchDepth FileLineResolver::GetDepth() {68 return lldb::eSearchDepthCompUnit;69}70 71void FileLineResolver::GetDescription(Stream *s) {72 s->Printf("File and line resolver for file: \"%s\" line: %u",73 m_file_spec.GetPath().c_str(), m_line_number);74}75 76void FileLineResolver::Clear() {77 m_file_spec.Clear();78 m_line_number = UINT32_MAX;79 m_sc_list.Clear();80 m_inlines = true;81}82 83void FileLineResolver::Reset(const FileSpec &file_spec, uint32_t line,84 bool check_inlines) {85 m_file_spec = file_spec;86 m_line_number = line;87 m_sc_list.Clear();88 m_inlines = check_inlines;89}90