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cppcheck/lib/errorlogger.cpp
Bart vdr. Meulen 20601c1b01 Restore symbol names from cache 
When reading earlier reported errors from the cache file the symbol names are not handled. This causes suppressions to no longer match when rerunning cppcheck.
2022-02-21 18:19:05 +01:00

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2022 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "errorlogger.h"
#include "color.h"
#include "cppcheck.h"
#include "mathlib.h"
#include "path.h"
#include "token.h"
#include "tokenlist.h"
#include <algorithm>
#include <array>
#include <cassert>
#include <cctype>
#include <cstdlib>
#include <cstring>
#include <iomanip>
#include <memory>
#include <string>
#include <tinyxml2.h>
InternalError::InternalError(const Token *tok, const std::string &errorMsg, Type type) :
token(tok), errorMessage(errorMsg), type(type)
{
switch (type) {
case AST:
id = "internalAstError";
break;
case SYNTAX:
id = "syntaxError";
break;
case UNKNOWN_MACRO:
id = "unknownMacro";
break;
case INTERNAL:
id = "cppcheckError";
break;
case LIMIT:
id = "cppcheckLimit";
break;
case INSTANTIATION:
id = "instantiationError";
break;
}
}
static std::size_t calculateWarningHash(const TokenList *tokenList, const std::string &msg)
{
if (!tokenList)
return 0;
return std::hash<std::string> {}(msg + "\n" + tokenList->front()->stringifyList(false, true, false, false, false));
}
ErrorMessage::ErrorMessage()
: incomplete(false), severity(Severity::none), cwe(0U), certainty(Certainty::normal), hash(0)
{}
ErrorMessage::ErrorMessage(const std::list<FileLocation> &callStack, const std::string& file1, Severity::SeverityType severity, const std::string &msg, const std::string &id, Certainty::CertaintyLevel certainty) :
callStack(callStack), // locations for this error message
id(id), // set the message id
file0(file1),
incomplete(false),
severity(severity), // severity for this error message
cwe(0U),
certainty(certainty),
hash(0)
{
// set the summary and verbose messages
setmsg(msg);
}
ErrorMessage::ErrorMessage(const std::list<FileLocation> &callStack, const std::string& file1, Severity::SeverityType severity, const std::string &msg, const std::string &id, const CWE &cwe, Certainty::CertaintyLevel certainty) :
callStack(callStack), // locations for this error message
id(id), // set the message id
file0(file1),
incomplete(false),
severity(severity), // severity for this error message
cwe(cwe.id),
certainty(certainty),
hash(0)
{
// set the summary and verbose messages
setmsg(msg);
}
ErrorMessage::ErrorMessage(const std::list<const Token*>& callstack, const TokenList* list, Severity::SeverityType severity, const std::string& id, const std::string& msg, Certainty::CertaintyLevel certainty)
: id(id), incomplete(false), severity(severity), cwe(0U), certainty(certainty), hash(0)
{
// Format callstack
for (std::list<const Token *>::const_iterator it = callstack.begin(); it != callstack.end(); ++it) {
// --errorlist can provide null values here
if (!(*it))
continue;
callStack.emplace_back(*it, list);
}
if (list && !list->getFiles().empty())
file0 = list->getFiles()[0];
setmsg(msg);
}
ErrorMessage::ErrorMessage(const std::list<const Token*>& callstack, const TokenList* list, Severity::SeverityType severity, const std::string& id, const std::string& msg, const CWE &cwe, Certainty::CertaintyLevel certainty, bool bugHunting)
: id(id), incomplete(false), severity(severity), cwe(cwe.id), certainty(certainty)
{
// Format callstack
for (const Token *tok: callstack) {
// --errorlist can provide null values here
if (!tok)
continue;
callStack.emplace_back(tok, list);
}
if (list && !list->getFiles().empty())
file0 = list->getFiles()[0];
setmsg(msg);
std::ostringstream hashWarning;
for (const Token *tok: callstack)
hashWarning << std::hex << (tok ? tok->index() : 0) << " ";
hashWarning << mShortMessage;
hash = bugHunting ? calculateWarningHash(list, hashWarning.str()) : 0;
}
ErrorMessage::ErrorMessage(const ErrorPath &errorPath, const TokenList *tokenList, Severity::SeverityType severity, const char id[], const std::string &msg, const CWE &cwe, Certainty::CertaintyLevel certainty, bool bugHunting)
: id(id), incomplete(false), severity(severity), cwe(cwe.id), certainty(certainty)
{
// Format callstack
for (const ErrorPathItem& e: errorPath) {
const Token *tok = e.first;
std::string info = e.second;
if (info.compare(0,8,"$symbol:") == 0 && info.find("\n") < info.size()) {
const std::string::size_type pos = info.find("\n");
const std::string &symbolName = info.substr(8, pos - 8);
info = replaceStr(info.substr(pos+1), "$symbol", symbolName);
}
// --errorlist can provide null values here
if (tok)
callStack.emplace_back(tok, info, tokenList);
}
if (tokenList && !tokenList->getFiles().empty())
file0 = tokenList->getFiles()[0];
setmsg(msg);
std::ostringstream hashWarning;
for (const ErrorPathItem &e: errorPath)
hashWarning << std::hex << (e.first ? e.first->index() : 0) << " ";
hashWarning << mShortMessage;
hash = bugHunting ? calculateWarningHash(tokenList, hashWarning.str()) : 0;
}
ErrorMessage::ErrorMessage(const tinyxml2::XMLElement * const errmsg)
: incomplete(false),
severity(Severity::none),
cwe(0U),
certainty(Certainty::normal)
{
const char * const unknown = "<UNKNOWN>";
const char *attr = errmsg->Attribute("id");
id = attr ? attr : unknown;
attr = errmsg->Attribute("severity");
severity = attr ? Severity::fromString(attr) : Severity::none;
attr = errmsg->Attribute("cwe");
std::istringstream(attr ? attr : "0") >> cwe.id;
attr = errmsg->Attribute("inconclusive");
certainty = (attr && (std::strcmp(attr, "true") == 0)) ? Certainty::inconclusive : Certainty::normal;
attr = errmsg->Attribute("msg");
mShortMessage = attr ? attr : "";
attr = errmsg->Attribute("verbose");
mVerboseMessage = attr ? attr : "";
attr = errmsg->Attribute("hash");
std::istringstream(attr ? attr : "0") >> hash;
for (const tinyxml2::XMLElement *e = errmsg->FirstChildElement(); e; e = e->NextSiblingElement()) {
if (std::strcmp(e->Name(),"location")==0) {
const char *strfile = e->Attribute("file");
const char *strinfo = e->Attribute("info");
const char *strline = e->Attribute("line");
const char *strcolumn = e->Attribute("column");
const char *file = strfile ? strfile : unknown;
const char *info = strinfo ? strinfo : "";
const int line = strline ? std::atoi(strline) : 0;
const int column = strcolumn ? std::atoi(strcolumn) : 0;
callStack.emplace_front(file, info, line, column);
} else if (std::strcmp(e->Name(),"symbol")==0) {
mSymbolNames += e->GetText();
}
}
}
void ErrorMessage::setmsg(const std::string &msg)
{
// If a message ends to a '\n' and contains only a one '\n'
// it will cause the mVerboseMessage to be empty which will show
// as an empty message to the user if --verbose is used.
// Even this doesn't cause problems with messages that have multiple
// lines, none of the error messages should end into it.
assert(!endsWith(msg,'\n'));
// The summary and verbose message are separated by a newline
// If there is no newline then both the summary and verbose messages
// are the given message
const std::string::size_type pos = msg.find('\n');
const std::string symbolName = mSymbolNames.empty() ? std::string() : mSymbolNames.substr(0, mSymbolNames.find('\n'));
if (pos == std::string::npos) {
mShortMessage = replaceStr(msg, "$symbol", symbolName);
mVerboseMessage = replaceStr(msg, "$symbol", symbolName);
} else if (msg.compare(0,8,"$symbol:") == 0) {
mSymbolNames += msg.substr(8, pos-7);
setmsg(msg.substr(pos + 1));
} else {
mShortMessage = replaceStr(msg.substr(0, pos), "$symbol", symbolName);
mVerboseMessage = replaceStr(msg.substr(pos + 1), "$symbol", symbolName);
}
}
Suppressions::ErrorMessage ErrorMessage::toSuppressionsErrorMessage() const
{
Suppressions::ErrorMessage ret;
ret.hash = hash;
ret.errorId = id;
if (!callStack.empty()) {
ret.setFileName(callStack.back().getfile(false));
ret.lineNumber = callStack.back().line;
} else {
ret.lineNumber = Suppressions::Suppression::NO_LINE;
}
ret.certainty = certainty;
ret.symbolNames = mSymbolNames;
return ret;
}
std::string ErrorMessage::serialize() const
{
// Serialize this message into a simple string
std::ostringstream oss;
oss << id.length() << " " << id;
oss << Severity::toString(severity).length() << " " << Severity::toString(severity);
oss << MathLib::toString(cwe.id).length() << " " << MathLib::toString(cwe.id);
oss << MathLib::toString(hash).length() << " " << MathLib::toString(hash);
oss << file0.size() << " " << file0;
if (certainty == Certainty::inconclusive) {
const std::string text("inconclusive");
oss << text.length() << " " << text;
}
const std::string saneShortMessage = fixInvalidChars(mShortMessage);
const std::string saneVerboseMessage = fixInvalidChars(mVerboseMessage);
oss << saneShortMessage.length() << " " << saneShortMessage;
oss << saneVerboseMessage.length() << " " << saneVerboseMessage;
oss << callStack.size() << " ";
for (std::list<ErrorMessage::FileLocation>::const_iterator loc = callStack.begin(); loc != callStack.end(); ++loc) {
std::ostringstream smallStream;
smallStream << (*loc).line << '\t' << (*loc).column << '\t' << (*loc).getfile(false) << '\t' << loc->getOrigFile(false) << '\t' << loc->getinfo();
oss << smallStream.str().length() << " " << smallStream.str();
}
return oss.str();
}
bool ErrorMessage::deserialize(const std::string &data)
{
certainty = Certainty::normal;
callStack.clear();
std::istringstream iss(data);
std::array<std::string, 7> results;
std::size_t elem = 0;
while (iss.good() && elem < 7) {
unsigned int len = 0;
if (!(iss >> len))
return false;
iss.get();
std::string temp;
for (unsigned int i = 0; i < len && iss.good(); ++i) {
const char c = static_cast<char>(iss.get());
temp.append(1, c);
}
if (temp == "inconclusive") {
certainty = Certainty::inconclusive;
continue;
}
results[elem++] = temp;
}
if (elem != 7)
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed");
id = results[0];
severity = Severity::fromString(results[1]);
std::istringstream(results[2]) >> cwe.id;
std::istringstream(results[3]) >> hash;
std::istringstream(results[4]) >> file0;
mShortMessage = results[5];
mVerboseMessage = results[6];
unsigned int stackSize = 0;
if (!(iss >> stackSize))
return false;
while (iss.good()) {
unsigned int len = 0;
if (!(iss >> len))
return false;
iss.get();
std::string temp;
for (unsigned int i = 0; i < len && iss.good(); ++i) {
const char c = static_cast<char>(iss.get());
temp.append(1, c);
}
std::vector<std::string> substrings;
for (std::string::size_type pos = 0; pos < temp.size() && substrings.size() < 5; ++pos) {
if (substrings.size() == 4) {
substrings.push_back(temp.substr(pos));
break;
}
const std::string::size_type start = pos;
pos = temp.find("\t", pos);
if (pos == std::string::npos) {
substrings.push_back(temp.substr(start));
break;
}
substrings.push_back(temp.substr(start, pos - start));
}
if (substrings.size() < 4)
throw InternalError(nullptr, "Internal Error: serializing/deserializing of error message failed!");
// (*loc).line << '\t' << (*loc).column << '\t' << (*loc).getfile(false) << '\t' << loc->getOrigFile(false) << '\t' << loc->getinfo();
ErrorMessage::FileLocation loc(substrings[3], MathLib::toLongNumber(substrings[0]), MathLib::toLongNumber(substrings[1]));
loc.setfile(substrings[2]);
if (substrings.size() == 5)
loc.setinfo(substrings[4]);
callStack.push_back(loc);
if (callStack.size() >= stackSize)
break;
}
return true;
}
std::string ErrorMessage::getXMLHeader()
{
tinyxml2::XMLPrinter printer;
// standard xml header
printer.PushDeclaration("xml version=\"1.0\" encoding=\"UTF-8\"");
// header
printer.OpenElement("results", false);
printer.PushAttribute("version", 2);
printer.OpenElement("cppcheck", false);
printer.PushAttribute("version", CppCheck::version());
printer.CloseElement(false);
printer.OpenElement("errors", false);
return std::string(printer.CStr()) + '>';
}
std::string ErrorMessage::getXMLFooter()
{
return " </errors>\n</results>";
}
// There is no utf-8 support around but the strings should at least be safe for to tinyxml2.
// See #5300 "Invalid encoding in XML output" and #6431 "Invalid XML created - Invalid encoding of string literal "
std::string ErrorMessage::fixInvalidChars(const std::string& raw)
{
std::string result;
result.reserve(raw.length());
std::string::const_iterator from=raw.begin();
while (from!=raw.end()) {
if (std::isprint(static_cast<unsigned char>(*from))) {
result.push_back(*from);
} else {
std::ostringstream es;
// straight cast to (unsigned) doesn't work out.
const unsigned uFrom = (unsigned char)*from;
es << '\\' << std::setbase(8) << std::setw(3) << std::setfill('0') << uFrom;
result += es.str();
}
++from;
}
return result;
}
std::string ErrorMessage::toXML() const
{
tinyxml2::XMLPrinter printer(nullptr, false, 2);
printer.OpenElement("error", false);
printer.PushAttribute("id", id.c_str());
printer.PushAttribute("severity", Severity::toString(severity).c_str());
printer.PushAttribute("msg", fixInvalidChars(mShortMessage).c_str());
printer.PushAttribute("verbose", fixInvalidChars(mVerboseMessage).c_str());
if (cwe.id)
printer.PushAttribute("cwe", cwe.id);
if (hash)
printer.PushAttribute("hash", MathLib::toString(hash).c_str());
if (certainty == Certainty::inconclusive)
printer.PushAttribute("inconclusive", "true");
if (!file0.empty())
printer.PushAttribute("file0", file0.c_str());
for (std::list<FileLocation>::const_reverse_iterator it = callStack.rbegin(); it != callStack.rend(); ++it) {
printer.OpenElement("location", false);
printer.PushAttribute("file", (*it).getfile().c_str());
printer.PushAttribute("line", std::max((*it).line,0));
printer.PushAttribute("column", (*it).column);
if (!it->getinfo().empty())
printer.PushAttribute("info", fixInvalidChars(it->getinfo()).c_str());
printer.CloseElement(false);
}
for (std::string::size_type pos = 0; pos < mSymbolNames.size();) {
const std::string::size_type pos2 = mSymbolNames.find('\n', pos);
std::string symbolName;
if (pos2 == std::string::npos) {
symbolName = mSymbolNames.substr(pos);
pos = pos2;
} else {
symbolName = mSymbolNames.substr(pos, pos2-pos);
pos = pos2 + 1;
}
printer.OpenElement("symbol", false);
printer.PushText(symbolName.c_str());
printer.CloseElement(false);
}
printer.CloseElement(false);
return printer.CStr();
}
/**
* Replace all occurrences of searchFor with replaceWith in the
* given source.
* @param source The string to modify
* @param searchFor What should be searched for
* @param replaceWith What will replace the found item
*/
static void findAndReplace(std::string &source, const std::string &searchFor, const std::string &replaceWith)
{
std::string::size_type index = 0;
while ((index = source.find(searchFor, index)) != std::string::npos) {
source.replace(index, searchFor.length(), replaceWith);
index += replaceWith.length();
}
}
// TODO: read info from some shared resource instead?
static std::string readCode(const std::string &file, int linenr, int column, const char endl[])
{
std::ifstream fin(file);
std::string line;
while (linenr > 0 && std::getline(fin,line)) {
linenr--;
}
const std::string::size_type endPos = line.find_last_not_of("\r\n\t ");
if (endPos + 1 < line.size())
line.erase(endPos + 1);
std::string::size_type pos = 0;
while ((pos = line.find('\t', pos)) != std::string::npos)
line[pos] = ' ';
return line + endl + std::string((column>0 ? column-1 : column), ' ') + '^';
}
static void replaceColors(std::string& source)
{
findAndReplace(source, "{reset}", ::toString(Color::Reset));
findAndReplace(source, "{bold}", ::toString(Color::Bold));
findAndReplace(source, "{dim}", ::toString(Color::Dim));
findAndReplace(source, "{red}", ::toString(Color::FgRed));
findAndReplace(source, "{green}", ::toString(Color::FgGreen));
findAndReplace(source, "{blue}", ::toString(Color::FgBlue));
findAndReplace(source, "{magenta}", ::toString(Color::FgMagenta));
findAndReplace(source, "{default}", ::toString(Color::FgDefault));
}
std::string ErrorMessage::toString(bool verbose, const std::string &templateFormat, const std::string &templateLocation) const
{
// Save this ErrorMessage in plain text.
// No template is given
if (templateFormat.empty()) {
std::ostringstream text;
if (!callStack.empty())
text << ErrorLogger::callStackToString(callStack) << ": ";
if (severity != Severity::none) {
text << '(' << Severity::toString(severity);
if (certainty == Certainty::inconclusive)
text << ", inconclusive";
text << ") ";
}
text << (verbose ? mVerboseMessage : mShortMessage);
return text.str();
}
// template is given. Reformat the output according to it
std::string result = templateFormat;
// Support a few special characters to allow to specific formatting, see http://sourceforge.net/apps/phpbb/cppcheck/viewtopic.php?f=4&t=494&sid=21715d362c0dbafd3791da4d9522f814
// Substitution should be done first so messages from cppcheck never get translated.
findAndReplace(result, "\\b", "\b");
findAndReplace(result, "\\n", "\n");
findAndReplace(result, "\\r", "\r");
findAndReplace(result, "\\t", "\t");
replaceColors(result);
findAndReplace(result, "{id}", id);
std::string::size_type pos1 = result.find("{inconclusive:");
while (pos1 != std::string::npos) {
const std::string::size_type pos2 = result.find('}', pos1+1);
const std::string replaceFrom = result.substr(pos1,pos2-pos1+1);
const std::string replaceWith = (certainty == Certainty::inconclusive) ? result.substr(pos1+14, pos2-pos1-14) : std::string();
findAndReplace(result, replaceFrom, replaceWith);
pos1 = result.find("{inconclusive:", pos1);
}
findAndReplace(result, "{severity}", Severity::toString(severity));
findAndReplace(result, "{cwe}", MathLib::toString(cwe.id));
findAndReplace(result, "{message}", verbose ? mVerboseMessage : mShortMessage);
findAndReplace(result, "{callstack}", callStack.empty() ? emptyString : ErrorLogger::callStackToString(callStack));
if (!callStack.empty()) {
findAndReplace(result, "{file}", callStack.back().getfile());
findAndReplace(result, "{line}", MathLib::toString(callStack.back().line));
findAndReplace(result, "{column}", MathLib::toString(callStack.back().column));
if (result.find("{code}") != std::string::npos) {
const std::string::size_type pos = result.find('\r');
const char *endl;
if (pos == std::string::npos)
endl = "\n";
else if (pos+1 < result.size() && result[pos+1] == '\n')
endl = "\r\n";
else
endl = "\r";
findAndReplace(result, "{code}", readCode(callStack.back().getOrigFile(), callStack.back().line, callStack.back().column, endl));
}
} else {
findAndReplace(result, "{file}", "nofile");
findAndReplace(result, "{line}", "0");
findAndReplace(result, "{column}", "0");
findAndReplace(result, "{code}", emptyString);
}
if (!templateLocation.empty() && callStack.size() >= 2U) {
for (const FileLocation &fileLocation : callStack) {
std::string text = templateLocation;
findAndReplace(text, "\\b", "\b");
findAndReplace(text, "\\n", "\n");
findAndReplace(text, "\\r", "\r");
findAndReplace(text, "\\t", "\t");
replaceColors(text);
findAndReplace(text, "{file}", fileLocation.getfile());
findAndReplace(text, "{line}", MathLib::toString(fileLocation.line));
findAndReplace(text, "{column}", MathLib::toString(fileLocation.column));
findAndReplace(text, "{info}", fileLocation.getinfo().empty() ? mShortMessage : fileLocation.getinfo());
if (text.find("{code}") != std::string::npos) {
const std::string::size_type pos = text.find('\r');
const char *endl;
if (pos == std::string::npos)
endl = "\n";
else if (pos+1 < text.size() && text[pos+1] == '\n')
endl = "\r\n";
else
endl = "\r";
findAndReplace(text, "{code}", readCode(fileLocation.getOrigFile(), fileLocation.line, fileLocation.column, endl));
}
result += '\n' + text;
}
}
return result;
}
bool ErrorLogger::reportUnmatchedSuppressions(const std::list<Suppressions::Suppression> &unmatched)
{
bool err = false;
// Report unmatched suppressions
for (const Suppressions::Suppression &s : unmatched) {
// don't report "unmatchedSuppression" as unmatched
if (s.errorId == "unmatchedSuppression")
continue;
// check if this unmatched suppression is suppressed
bool suppressed = false;
for (const Suppressions::Suppression &s2 : unmatched) {
if (s2.errorId == "unmatchedSuppression") {
if ((s2.fileName.empty() || s2.fileName == "*" || s2.fileName == s.fileName) &&
(s2.lineNumber == Suppressions::Suppression::NO_LINE || s2.lineNumber == s.lineNumber)) {
suppressed = true;
break;
}
}
}
if (suppressed)
continue;
std::list<ErrorMessage::FileLocation> callStack;
if (!s.fileName.empty())
callStack.emplace_back(s.fileName, s.lineNumber, 0);
reportErr(ErrorMessage(callStack, emptyString, Severity::information, "Unmatched suppression: " + s.errorId, "unmatchedSuppression", Certainty::normal));
err = true;
}
return err;
}
std::string ErrorLogger::callStackToString(const std::list<ErrorMessage::FileLocation> &callStack)
{
std::string str;
for (std::list<ErrorMessage::FileLocation>::const_iterator tok = callStack.begin(); tok != callStack.end(); ++tok) {
str += (tok == callStack.begin() ? "" : " -> ");
str += tok->stringify();
}
return str;
}
ErrorMessage::FileLocation::FileLocation(const Token* tok, const TokenList* tokenList)
: fileIndex(tok->fileIndex()), line(tok->linenr()), column(tok->column()), mOrigFileName(tokenList->getOrigFile(tok)), mFileName(tokenList->file(tok))
{}
ErrorMessage::FileLocation::FileLocation(const Token* tok, const std::string &info, const TokenList* tokenList)
: fileIndex(tok->fileIndex()), line(tok->linenr()), column(tok->column()), mOrigFileName(tokenList->getOrigFile(tok)), mFileName(tokenList->file(tok)), mInfo(info)
{}
std::string ErrorMessage::FileLocation::getfile(bool convert) const
{
if (convert)
return Path::toNativeSeparators(mFileName);
return mFileName;
}
std::string ErrorMessage::FileLocation::getOrigFile(bool convert) const
{
if (convert)
return Path::toNativeSeparators(mOrigFileName);
return mOrigFileName;
}
void ErrorMessage::FileLocation::setfile(const std::string &file)
{
mFileName = file;
mFileName = Path::fromNativeSeparators(mFileName);
mFileName = Path::simplifyPath(mFileName);
}
std::string ErrorMessage::FileLocation::stringify() const
{
std::string str;
str += '[';
str += Path::toNativeSeparators(mFileName);
if (line != Suppressions::Suppression::NO_LINE) {
str += ':';
str += std::to_string(line);
}
str += ']';
return str;
}
std::string ErrorLogger::toxml(const std::string &str)
{
std::ostringstream xml;
for (unsigned char c : str) {
switch (c) {
case '<':
xml << "&lt;";
break;
case '>':
xml << "&gt;";
break;
case '&':
xml << "&amp;";
break;
case '\"':
xml << "&quot;";
break;
case '\'':
xml << "&apos;";
break;
case '\0':
xml << "\\0";
break;
default:
if (c >= ' ' && c <= 0x7f)
xml << c;
else
xml << 'x';
break;
}
}
return xml.str();
}
std::string ErrorLogger::plistHeader(const std::string &version, const std::vector<std::string> &files)
{
std::ostringstream ostr;
ostr << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n"
<< "<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\r\n"
<< "<plist version=\"1.0\">\r\n"
<< "<dict>\r\n"
<< " <key>clang_version</key>\r\n"
<< "<string>cppcheck version " << version << "</string>\r\n"
<< " <key>files</key>\r\n"
<< " <array>\r\n";
for (const std::string & file : files)
ostr << " <string>" << ErrorLogger::toxml(file) << "</string>\r\n";
ostr << " </array>\r\n"
<< " <key>diagnostics</key>\r\n"
<< " <array>\r\n";
return ostr.str();
}
static std::string plistLoc(const char indent[], const ErrorMessage::FileLocation &loc)
{
std::ostringstream ostr;
ostr << indent << "<dict>\r\n"
<< indent << ' ' << "<key>line</key><integer>" << loc.line << "</integer>\r\n"
<< indent << ' ' << "<key>col</key><integer>" << loc.column << "</integer>\r\n"
<< indent << ' ' << "<key>file</key><integer>" << loc.fileIndex << "</integer>\r\n"
<< indent << "</dict>\r\n";
return ostr.str();
}
std::string ErrorLogger::plistData(const ErrorMessage &msg)
{
std::ostringstream plist;
plist << " <dict>\r\n"
<< " <key>path</key>\r\n"
<< " <array>\r\n";
std::list<ErrorMessage::FileLocation>::const_iterator prev = msg.callStack.begin();
for (std::list<ErrorMessage::FileLocation>::const_iterator it = msg.callStack.begin(); it != msg.callStack.end(); ++it) {
if (prev != it) {
plist << " <dict>\r\n"
<< " <key>kind</key><string>control</string>\r\n"
<< " <key>edges</key>\r\n"
<< " <array>\r\n"
<< " <dict>\r\n"
<< " <key>start</key>\r\n"
<< " <array>\r\n"
<< plistLoc(" ", *prev)
<< plistLoc(" ", *prev)
<< " </array>\r\n"
<< " <key>end</key>\r\n"
<< " <array>\r\n"
<< plistLoc(" ", *it)
<< plistLoc(" ", *it)
<< " </array>\r\n"
<< " </dict>\r\n"
<< " </array>\r\n"
<< " </dict>\r\n";
prev = it;
}
std::list<ErrorMessage::FileLocation>::const_iterator next = it;
++next;
const std::string message = (it->getinfo().empty() && next == msg.callStack.end() ? msg.shortMessage() : it->getinfo());
plist << " <dict>\r\n"
<< " <key>kind</key><string>event</string>\r\n"
<< " <key>location</key>\r\n"
<< plistLoc(" ", *it)
<< " <key>ranges</key>\r\n"
<< " <array>\r\n"
<< " <array>\r\n"
<< plistLoc(" ", *it)
<< plistLoc(" ", *it)
<< " </array>\r\n"
<< " </array>\r\n"
<< " <key>depth</key><integer>0</integer>\r\n"
<< " <key>extended_message</key>\r\n"
<< " <string>" << ErrorLogger::toxml(message) << "</string>\r\n"
<< " <key>message</key>\r\n"
<< " <string>" << ErrorLogger::toxml(message) << "</string>\r\n"
<< " </dict>\r\n";
}
plist << " </array>\r\n"
<< " <key>description</key><string>" << ErrorLogger::toxml(msg.shortMessage()) << "</string>\r\n"
<< " <key>category</key><string>" << Severity::toString(msg.severity) << "</string>\r\n"
<< " <key>type</key><string>" << ErrorLogger::toxml(msg.shortMessage()) << "</string>\r\n"
<< " <key>check_name</key><string>" << msg.id << "</string>\r\n"
<< " <!-- This hash is experimental and going to change! -->\r\n"
<< " <key>issue_hash_content_of_line_in_context</key><string>" << 0 << "</string>\r\n"
<< " <key>issue_context_kind</key><string></string>\r\n"
<< " <key>issue_context</key><string></string>\r\n"
<< " <key>issue_hash_function_offset</key><string></string>\r\n"
<< " <key>location</key>\r\n"
<< plistLoc(" ", msg.callStack.back())
<< " </dict>\r\n";
return plist.str();
}
std::string replaceStr(std::string s, const std::string &from, const std::string &to)
{
std::string::size_type pos1 = 0;
while (pos1 < s.size()) {
pos1 = s.find(from, pos1);
if (pos1 == std::string::npos)
return s;
if (pos1 > 0 && (s[pos1-1] == '_' || std::isalnum(s[pos1-1]))) {
pos1++;
continue;
}
const std::string::size_type pos2 = pos1 + from.size();
if (pos2 >= s.size())
return s.substr(0,pos1) + to;
if (s[pos2] == '_' || std::isalnum(s[pos2])) {
pos1++;
continue;
}
s = s.substr(0,pos1) + to + s.substr(pos2);
pos1 += to.size();
}
return s;
}
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