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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:32:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:32:39 +0000 |
commit | 56ae875861ab260b80a030f50c4aff9f9dc8fff0 (patch) | |
tree | 531412110fc901a5918c7f7442202804a83cada9 /lib/base/debuginfo.cpp | |
parent | Initial commit. (diff) | |
download | icinga2-56ae875861ab260b80a030f50c4aff9f9dc8fff0.tar.xz icinga2-56ae875861ab260b80a030f50c4aff9f9dc8fff0.zip |
Adding upstream version 2.14.2.upstream/2.14.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/base/debuginfo.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/lib/base/debuginfo.cpp b/lib/base/debuginfo.cpp new file mode 100644 index 0000000..99006ac --- /dev/null +++ b/lib/base/debuginfo.cpp @@ -0,0 +1,98 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#include "base/debuginfo.hpp" +#include "base/convert.hpp" +#include <fstream> + +using namespace icinga; + +/** + * Outputs a DebugInfo struct to a stream. + * + * @param out The output stream. + * @param val The DebugInfo struct. + * @returns The output stream. + */ +std::ostream& icinga::operator<<(std::ostream& out, const DebugInfo& val) +{ + out << "in " << val.Path << ": " + << val.FirstLine << ":" << val.FirstColumn + << "-" + << val.LastLine << ":" << val.LastColumn; + + return out; +} + +DebugInfo icinga::DebugInfoRange(const DebugInfo& start, const DebugInfo& end) +{ + DebugInfo result; + result.Path = start.Path; + result.FirstLine = start.FirstLine; + result.FirstColumn = start.FirstColumn; + result.LastLine = end.LastLine; + result.LastColumn = end.LastColumn; + return result; +} + +#define EXTRA_LINES 2 + +void icinga::ShowCodeLocation(std::ostream& out, const DebugInfo& di, bool verbose) +{ + if (di.Path.IsEmpty()) + return; + + out << "Location: " << di; + + std::ifstream ifs; + ifs.open(di.Path.CStr(), std::ifstream::in); + + int lineno = 0; + char line[1024]; + + while (ifs.good() && lineno <= di.LastLine + EXTRA_LINES) { + if (lineno == 0) + out << "\n"; + + lineno++; + + ifs.getline(line, sizeof(line)); + + for (int i = 0; line[i]; i++) + if (line[i] == '\t') + line[i] = ' '; + + int extra_lines = verbose ? EXTRA_LINES : 0; + + if (lineno < di.FirstLine - extra_lines || lineno > di.LastLine + extra_lines) + continue; + + String pathInfo = di.Path + "(" + Convert::ToString(lineno) + "): "; + out << pathInfo; + out << line << "\n"; + + if (lineno >= di.FirstLine && lineno <= di.LastLine) { + int start, end; + + start = 0; + end = strlen(line); + + if (lineno == di.FirstLine) + start = di.FirstColumn - 1; + + if (lineno == di.LastLine) + end = di.LastColumn; + + if (start < 0) { + end -= start; + start = 0; + } + + out << String(pathInfo.GetLength(), ' '); + out << String(start, ' '); + out << String(end - start, '^'); + + out << "\n"; + } + } +} + |