1//===-- FileLineResolver.cpp ------------------------------------*- C++ -*-===// 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-exception 6// 7//===----------------------------------------------------------------------===// 8 9#include "lldb/Core/FileLineResolver.h" 10 11#include "lldb/Core/FileSpecList.h" 12#include "lldb/Symbol/CompileUnit.h" 13#include "lldb/Symbol/LineTable.h" 14#include "lldb/Utility/ConstString.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() {} 33 34Searcher::CallbackReturn 35FileLineResolver::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->FineLineEntriesForFileIndex(file_idx, append, 52 m_sc_list); 53 // Get the next file index in case we have multiple file entries 54 // for the same file 55 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