extracttests: Added a simple program for extracting testcode from our unit testing

tools/extracttests.cpp

@@ -0,0 +1,136 @@
+
+
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <list>
+
+const std::string ext(".c");
+const std::string gcc("gcc");
+
+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::list<std::string> fnames;
+
+    std::string testname;
+    unsigned int subcount = 0;
+
+    std::ifstream f(argv[1]);
+    std::string line;
+    while (std::getline(f, line))
+    {
+        if (line.compare(0, 9, "    void ") == 0)
+        {
+            testname = line.substr(9, line.size() - 11);
+            std::cout << "\"" << testname << "\"" << std::endl;
+            subcount = 0;
+            continue;
+        }
+
+        if (line.find("}") != std::string::npos)
+        {
+            testname = "";
+            subcount = 0;
+            continue;
+        }
+
+        if (!testname.empty() && line.find(" check(\"") != std::string::npos)
+        {
+            const std::string fname(testname + str(++subcount));
+
+            if (ext == ".c")
+            {
+                if (fname == "array_index_21" ||
+                    fname == "array_index_81" ||
+                    fname == "array_index_111" ||
+                    fname == "array_index_121" ||
+                    fname == "array_index_131" ||
+                    fname == "array_index_141" ||
+                    fname == "array_index_151" ||
+                    fname == "array_index_161" ||
+                    fname == "array_index_171" ||
+                    fname == "array_index_172" ||
+                    fname == "array_index_173" ||
+                    fname == "array_index_181" ||
+                    fname == "array_index_201" ||
+                    fname == "buffer_overrun_41" ||
+                    fname == "buffer_overrun_81" ||
+                    fname == "buffer_overrun_91" ||
+                    fname == "buffer_overrun_101" ||
+                    fname == "buffer_overrun_111" ||
+                    fname == "sprintf12" ||
+                    fname == "cin11" ||
+                    fname == "alloc1")
+                    continue;
+            }
+
+            fnames.push_back(fname);
+            std::ofstream fout((fname + ext).c_str());
+            fout << "#include <string.h>" << std::endl;
+            fout << "#include <stdio.h>" << std::endl;
+            fout << "#include <stdlib.h>" << std::endl;
+            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;
+        }
+    }
+
+    std::ofstream makefile("Makefile");
+    makefile << "all:";
+    for (std::list<std::string>::const_iterator it = fnames.begin(); it != fnames.end(); ++it)
+        makefile << "\t" << *it << ".o";
+    makefile << std::endl;
+    for (std::list<std::string>::const_iterator it = fnames.begin(); it != fnames.end(); ++it)
+    {
+        makefile << *it << ".o:\t" << *it << ext << std::endl;
+        makefile << "\t" << gcc << " -c " << *it << ext << std::endl;
+    }
+
+
+    return 0;
+}
+
+
+
+