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-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() = default;
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

source code of lldb/source/Core/FileLineResolver.cpp