tools/reduce: better handling of #include
This commit is contained in:
Daniel Marjamäki
parent
e824f76ed7
commit
f2f8780504
109
tools/reduce.cpp
109
tools/reduce.cpp
|
|
@ -11,31 +11,31 @@
|
|||
class CppcheckExecutor : public ErrorLogger {
|
||||
private:
|
||||
CppCheck cppcheck;
|
||||
const std::string line;
|
||||
std::string pattern;
|
||||
bool foundLine;
|
||||
|
||||
public:
|
||||
CppcheckExecutor(const std::string &l)
|
||||
CppcheckExecutor(int linenr)
|
||||
: ErrorLogger()
|
||||
, cppcheck(*this,false)
|
||||
, line(':' + l + ']')
|
||||
, foundLine(false) {
|
||||
std::ostringstream ostr;
|
||||
ostr << linenr;
|
||||
pattern = ":" + ostr.str() + "]";
|
||||
cppcheck.settings().addEnabled("all");
|
||||
cppcheck.settings().inconclusive = true;
|
||||
cppcheck.settings()._force = true;
|
||||
}
|
||||
|
||||
bool run(const char filename[]) {
|
||||
foundLine = false;
|
||||
Settings settings;
|
||||
settings.addEnabled("all");
|
||||
settings.inconclusive = true;
|
||||
settings._force = true;
|
||||
cppcheck.settings() = settings;
|
||||
cppcheck.check(filename);
|
||||
return foundLine;
|
||||
}
|
||||
|
||||
void reportOut(const std::string &outmsg) { }
|
||||
void reportErr(const ErrorLogger::ErrorMessage &msg) {
|
||||
if (msg.toString(false).find(line) != std::string::npos) {
|
||||
if (msg.toString(false).find(pattern) != std::string::npos) {
|
||||
foundLine = true;
|
||||
cppcheck.terminate();
|
||||
}
|
||||
|
|
@ -44,7 +44,7 @@ public:
|
|||
};
|
||||
|
||||
|
||||
static bool test(CppcheckExecutor &cppcheck, const char *filename, const std::vector<std::string> &filedata, const std::size_t line1, const std::size_t line2)
|
||||
static bool test(const char *filename, int linenr, const std::vector<std::string> &filedata, const std::size_t line1, const std::size_t line2)
|
||||
{
|
||||
std::string path(filename);
|
||||
if (path.find_first_of("\\/") != std::string::npos)
|
||||
|
|
@ -57,12 +57,14 @@ static bool test(CppcheckExecutor &cppcheck, const char *filename, const std::ve
|
|||
for (std::size_t i = 0; i < filedata.size(); i++)
|
||||
fout << ((i>=line1 && i<=line2) ? "" : filedata[i]) << std::endl;
|
||||
fout.close();
|
||||
|
||||
CppcheckExecutor cppcheck(linenr);
|
||||
return cppcheck.run(tempfilename.c_str());
|
||||
}
|
||||
|
||||
static bool test(CppcheckExecutor &cppcheck, const char *filename, const std::vector<std::string> &filedata, const std::size_t line)
|
||||
static bool test(const char *filename, int linenr, const std::vector<std::string> &filedata, const std::size_t line)
|
||||
{
|
||||
return test(cppcheck, filename, filedata, line, line);
|
||||
return test(filename, linenr, filedata, line, line);
|
||||
}
|
||||
|
||||
static void printstr(const std::vector<std::string> &filedata, int i1, int i2)
|
||||
|
|
@ -72,31 +74,10 @@ static void printstr(const std::vector<std::string> &filedata, int i1, int i2)
|
|||
std::cout << i << ":" << filedata[i] << std::endl;
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
static std::vector<std::string> readfile(const std::string &filename)
|
||||
{
|
||||
std::cout << "cppcheck tool that reduce code for a false positive" << std::endl;
|
||||
|
||||
if (argc != 3) {
|
||||
std::cerr << "Syntax: " << argv[0] << " filename line" << std::endl;
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
const char * const filename = argv[1];
|
||||
const char * const linenr = argv[2];
|
||||
|
||||
std::cout << "make sure false positive can be reproduced" << std::endl;
|
||||
|
||||
// Execute Cppcheck on the file..
|
||||
CppcheckExecutor cppcheck(linenr);
|
||||
if (!cppcheck.run(filename)) {
|
||||
std::cerr << "Can't reproduce false positive at line " << linenr << std::endl;
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
// Read file..
|
||||
std::vector<std::string> filedata;
|
||||
{
|
||||
std::ifstream fin(filename);
|
||||
std::ifstream fin(filename.c_str());
|
||||
std::string line;
|
||||
bool blockComment = false;
|
||||
while (std::getline(fin,line)) {
|
||||
|
|
@ -153,23 +134,69 @@ int main(int argc, char *argv[])
|
|||
|
||||
filedata.push_back(line);
|
||||
}
|
||||
return filedata;
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
std::cout << "cppcheck tool that reduce code for a false positive" << std::endl;
|
||||
|
||||
if (argc != 3) {
|
||||
std::cerr << "Syntax: " << argv[0] << " filename line" << std::endl;
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
const char * const filename = argv[1];
|
||||
int linenr = std::atoi(argv[2]);
|
||||
|
||||
std::cout << "make sure false positive can be reproduced" << std::endl;
|
||||
|
||||
// Execute Cppcheck on the file..
|
||||
{
|
||||
CppcheckExecutor cppcheck(linenr);
|
||||
if (!cppcheck.run(filename)) {
|
||||
std::cerr << "Can't reproduce false positive at line " << linenr << std::endl;
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
}
|
||||
|
||||
// Read file..
|
||||
std::vector<std::string> filedata(readfile(filename));
|
||||
|
||||
// Write resulting code..
|
||||
if (!test(cppcheck, filename, filedata, ~0)) {
|
||||
if (!test(filename, linenr, filedata, ~0)) {
|
||||
std::cerr << "Cleanup failed." << std::endl;
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
// Remove includes..
|
||||
std::set<std::string> headers;
|
||||
for (std::size_t i = 0; i < filedata.size(); i++) {
|
||||
if (filedata[i].compare(0,8,"#include")==0) {
|
||||
if (test(cppcheck, filename, filedata, i)) {
|
||||
if (test(filename, linenr, filedata, i)) {
|
||||
std::cout << "removed #include : " << filedata[i] << std::endl;
|
||||
filedata[i].clear();
|
||||
std::cout << "removed #include at line " << i << std::endl;
|
||||
} else {
|
||||
std::cout << "kept #include at line " << i << std::endl;
|
||||
std::string header = filedata[i];
|
||||
header = header.substr(1U + header.find_first_of("\"<"));
|
||||
header = header.erase(header.find_last_of("\">"));
|
||||
if (headers.find(header) != headers.end()) {
|
||||
std::cerr << "Failed to reduce headers" << std::endl;
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
headers.insert(header);
|
||||
std::string path(filename);
|
||||
if (path.find_first_of("\\/") != std::string::npos)
|
||||
path = path.erase(1 + path.find_last_of("\\/"));
|
||||
else
|
||||
path.clear();
|
||||
std::cout << "expand #include : " << (path+header) << std::endl;
|
||||
std::vector<std::string> data(readfile(path+header));
|
||||
if (!data.empty()) {
|
||||
filedata[i].clear();
|
||||
filedata.insert(filedata.begin()+i, data.begin(), data.end());
|
||||
linenr += data.size();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -185,7 +212,7 @@ int main(int argc, char *argv[])
|
|||
|
||||
// some kind of single line declaration
|
||||
if (std::isalpha(startChar) && endChar==';') {
|
||||
if (test(cppcheck, filename, filedata, i)) {
|
||||
if (test(filename, linenr, filedata, i)) {
|
||||
filedata[i].clear();
|
||||
std::cout << "removed declaration at line " << i << std::endl;
|
||||
} else {
|
||||
|
|
@ -229,7 +256,7 @@ int main(int argc, char *argv[])
|
|||
|
||||
// does block of code end with a '}'
|
||||
if ((pos2 < filedata.size()) && (filedata[pos2] == "}" || filedata[pos2] == "};")) {
|
||||
if (test(cppcheck, filename, filedata, pos, pos2)) {
|
||||
if (test(filename, linenr, filedata, pos, pos2)) {
|
||||
for (i = pos; i <= pos2; i++)
|
||||
filedata[i].clear();
|
||||
std::cout << "removed block of code at lines " << pos << "-" << pos2 << std::endl;
|
||||
|
|
|
|||
Loading…
Reference in New Issue