cppcheck/tools/extracttests.cpp

163 lines
4.9 KiB
C++

#include <iostream>
#include <fstream>
#include <sstream>
const std::string ext(".cpp");
static std::string str(unsigned int value)
{
std::ostringstream ostr;
ostr << value;
return ostr.str();
}
int main(const int argc, const char * const * const argv)
{
if (argc != 2) {
std::cerr << "syntax: extracttests testfile" << std::endl;
return 0;
}
std::string testname;
unsigned int subcount = 0;
std::ifstream f(argv[1]);
std::string line;
while (std::getline(f, line)) {
{
std::string::size_type pos = line.find_first_not_of(" ");
if (pos > 0 && pos != std::string::npos)
line.erase(0, pos);
}
if (line.compare(0, 5, "void ") == 0) {
testname = line.substr(5, line.size() - 7);
subcount = 0;
continue;
}
if (line == "}") {
testname = "";
subcount = 0;
continue;
}
if (!testname.empty() && line.compare(0, 5, "check") == 0 && line.find("(\"") != std::string::npos) {
std::ofstream fout((testname + str(++subcount) + ext).c_str());
fout << "#include <string.h>" << std::endl;
fout << "#include <stdio.h>" << std::endl;
fout << "#include <stdlib.h>" << std::endl;
if (testname == "nullpointer1") {
if (subcount < 6) {
fout << "class Token\n"
<< "{\n"
<< "public:\n"
<< " const char *str() const;\n"
<< " const Token *next() const;\n"
<< " unsigned int size() const;\n"
<< " char read () const;\n"
<< " operator bool() const;\n"
<< "};\n"
<< "static Token *tokens;\n";
} else {
fout << "struct A\n"
"{\n"
" char b();\n"
" A *next;\n"
"};\n";
}
}
if (testname == "nullpointer2") {
fout << "class Fred\n"
<< "{\n"
<< "public:\n"
<< " void hello() const;\n"
<< " operator bool() const;\n"
<< "};\n";
}
if (testname == "nullpointer3") {
fout << "struct DEF { };\n"
<< "struct ABC : public DEF\n"
<< "{\n"
<< " int a,b,c;\n"
<< " struct ABC *next;\n"
<< "};\n"
<< "void bar(int); void f(struct ABC **);\n";
}
if (testname == "nullpointer4") {
fout << "void bar(int);\n"
<< "int** f(int **p = 0);\n"
<< "extern int x;\n"
<< "struct P {\n"
<< " bool check() const;\n"
<< " P* next() const;\n"
<< "};\n";
}
if (testname == "nullpointer5") {
fout << "struct A {\n"
<< " char c() const;\n"
<< " operator bool() const;\n"
<< "};\n";
}
if (testname == "nullpointer6") {
fout << "struct Foo {\n"
<< " void abcd() const;\n"
<< "};\n"
<< "struct FooBar : public Foo { };\n"
<< "struct FooCar : public Foo { };\n"
<< "extern int a;\n";
}
if (testname == "nullpointer7") {
fout << "struct wxLongLong {\n"
<< " wxLongLong(int) { }\n"
<< " long GetValue() const;\n"
<< "};\n";
}
do {
std::string::size_type pos = line.find("\"");
if (pos == std::string::npos)
break;
line.erase(0, pos + 1);
pos = line.rfind("\"");
if (pos == std::string::npos)
break;
const bool lastline(line.find(");", pos) != std::string::npos);
line.erase(pos);
pos = 0;
while ((pos = line.find("\\", pos)) != std::string::npos) {
line.erase(pos, 1);
if (line[pos] == 'n')
line.erase(pos, 1);
else
++pos;
}
fout << line << std::endl;
if (lastline)
break;
} while (std::getline(f, line));
fout << std::endl;
continue;
}
}
return 0;
}