Mercurial > irccd
comparison extern/vera/src/structures/SourceLines.cpp @ 548:a7c0eb100760
CMake: import vera++ 1.3.0, closes #729
author | David Demelier <markand@malikania.fr> |
---|---|
date | Wed, 22 Nov 2017 20:10:03 +0100 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
547:a95954e53589 | 548:a7c0eb100760 |
---|---|
1 // | |
2 // Copyright (C) 2006-2007 Maciej Sobczak | |
3 // Distributed under the Boost Software License, Version 1.0. | |
4 // (See accompanying file LICENSE_1_0.txt or copy at | |
5 // http://www.boost.org/LICENSE_1_0.txt) | |
6 // | |
7 | |
8 #include "SourceLines.h" | |
9 #include "Tokens.h" | |
10 #include "../plugins/Reports.h" | |
11 #include <vector> | |
12 #include <map> | |
13 #include <fstream> | |
14 #include <sstream> | |
15 #include <cstring> | |
16 #include <cerrno> | |
17 | |
18 | |
19 namespace // unnamed | |
20 { | |
21 | |
22 typedef std::map<Vera::Structures::SourceFiles::FileName, | |
23 Vera::Structures::SourceLines::LineCollection> SourceFileCollection; | |
24 | |
25 SourceFileCollection sources_; | |
26 | |
27 } // unnamed namespace | |
28 | |
29 | |
30 namespace Vera | |
31 { | |
32 namespace Structures | |
33 { | |
34 | |
35 const SourceLines::LineCollection & SourceLines::getAllLines(const SourceFiles::FileName & name) | |
36 { | |
37 const SourceFileCollection::const_iterator it = sources_.find(name); | |
38 if (it != sources_.end()) | |
39 { | |
40 return it->second; | |
41 } | |
42 else | |
43 { | |
44 // lazy load of the source file | |
45 loadFile(name); | |
46 return sources_[name]; | |
47 } | |
48 } | |
49 | |
50 void SourceLines::loadFile(const SourceFiles::FileName & name) | |
51 { | |
52 if (name == "-") | |
53 { | |
54 SourceLines::loadFile(std::cin, name); | |
55 } | |
56 else | |
57 { | |
58 std::ifstream file(name.c_str()); | |
59 if (file.is_open() == false) | |
60 { | |
61 std::ostringstream ss; | |
62 ss << "Cannot open source file " << name << ": " | |
63 << strerror(errno); | |
64 throw SourceFileError(ss.str()); | |
65 } | |
66 SourceLines::loadFile(file, name); | |
67 if (file.bad()) | |
68 { | |
69 throw std::runtime_error( | |
70 "Cannot read from " + name + ": " + strerror(errno)); | |
71 } | |
72 } | |
73 } | |
74 | |
75 void SourceLines::loadFile(std::istream & file, const SourceFiles::FileName & name) | |
76 { | |
77 LineCollection & lines = sources_[name]; | |
78 | |
79 std::string line; | |
80 Tokens::FileContent fullSource; | |
81 while (getline(file, line)) | |
82 { | |
83 lines.push_back(line); | |
84 fullSource += line; | |
85 | |
86 // built-in rule | |
87 if (file.eof()) | |
88 { | |
89 // Plugins::Reports::internal(name, static_cast<int>(lines.size()), | |
90 // "no newline at end of file"); | |
91 } | |
92 else | |
93 { | |
94 fullSource += '\n'; | |
95 } | |
96 } | |
97 | |
98 Tokens::parse(name, fullSource); | |
99 } | |
100 | |
101 int SourceLines::getLineCount(const SourceFiles::FileName & name) | |
102 { | |
103 return static_cast<int>(getAllLines(name).size()); | |
104 } | |
105 | |
106 const std::string & SourceLines::getLine(const SourceFiles::FileName & name, int lineNumber) | |
107 { | |
108 const LineCollection & lines = getAllLines(name); | |
109 if (lineNumber < 1 || lineNumber > static_cast<int>(lines.size())) | |
110 { | |
111 std::cerr << "Requested wrong line number: " << lineNumber << '\n'; | |
112 std::cerr << "lines.size in " << name << " is " << static_cast<int>(lines.size()) << '\n'; | |
113 throw SourceFileError("requested line number is out of range"); | |
114 } | |
115 | |
116 return lines[lineNumber - 1]; | |
117 } | |
118 | |
119 } | |
120 } |