ad7e89ad22
git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@48 7ec92016-0320-0410-acc4-a06ded1c099a
139 lines
3.8 KiB
C++
139 lines
3.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// Generates forwarding headers using the information
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// in the header.lst & vendor.lst files
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//
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// To create a header list from an existing directory of headers
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// dir *.h /b > headers.lst
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//
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// Copyright Shannon Barber 2002.
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//
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// Permission to use, copy, modify, distribute and sell this software for any
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// purpose is hereby granted without fee, provided that the above copyright
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// notice appear in all copies and that both that copyright notice and this
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// permission notice appear in supporting documentation. It is provided "as is"
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// without express or implied warranty.
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////////////////////////////////////////////////////////////////////////////////
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <sstream>
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#include <vector>
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#include <ctime>
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using namespace std;
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struct Compiler
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{
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Compiler() {}
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Compiler(const string& VersionTest, const string& SubDir) :
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version_test(VersionTest), subdir(SubDir)
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{}
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string version_test;
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string subdir;
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};
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int main(int argc, char* argv[])
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{
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if(argc != 3)
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{
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cout <<"Usage: <Header List> <Version/Vendor List>"<<endl;
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return -1;
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}
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typedef vector<Compiler> cv_type;
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cv_type vendors;
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char buf[1024];
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string check;
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string subdir;
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fstream vendor_file;
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vendor_file.open(argv[2], ios::in);
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if(!vendor_file.is_open())
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{
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cout << "Unable to open vendor file: " << argv[2] << endl;
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return -2;
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}
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else
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{
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vendors.reserve(10);
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while(!vendor_file.eof())
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{
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vendor_file.getline(buf, 1024, '\n');
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check = buf;
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vendor_file.getline(buf, 1024, '\n');
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subdir = buf;
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vendor_file.getline(buf, 1024, '\n');
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if(!(check.empty() || subdir.empty()))
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vendors.push_back(Compiler(check, subdir));
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else
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{
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cout << "Error parsing vendors, check:" << check << "\tsubdir:" << subdir << endl;
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}
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}
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}
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fstream header_list(argv[1]);
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string header;
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if(!header_list.is_open())
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{
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cout << "Invalid header list file, " << argv[1] << endl;
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return -3;
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}
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while(!header_list.eof())
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{
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header_list >> header;
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cout << header << endl;
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fstream header_file(header.c_str(), ios::out);
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if(!header_file.is_open())
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{
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cout << "Unable to open header file for output: " << header << endl;
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}
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else
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{
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string start(string("// Generated header: ")+header+'\n');
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string line(start.size(),'/');
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header_file << line << '\n';
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header_file << start;
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header_file << "// Forwards to the appropriate code\n";
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header_file << "// that works on the detected compiler\n";
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time_t rawtime;
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time(&rawtime);
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header_file << "// Generated on " << ctime(&rawtime);
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header_file << line << "\n\n";
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cv_type::iterator it=vendors.begin(), itEnd = vendors.end();
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header_file << "#ifdef LOKI_USE_REFERENCE\n";
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header_file << "#\tinclude \"Reference/" << header << "\"\n";
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header_file << "#else\n";
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header_file << "#\tif " << it->version_test << endl;
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header_file << "#\t\tinclude \"" << it->subdir << "/" << header << "\"\n";
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++it;
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for(; it!=itEnd; ++it)
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{
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header_file << "#\telif " << it->version_test << endl;
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header_file << "#\t\tinclude \"" << it->subdir;
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header_file << "/" << header << "\"\n";
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}
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header_file << "#\telse\n";
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header_file << "#\t\tinclude \"Reference/" << header << "\"\n";
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header_file << "#\tendif\n";
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header_file << "#endif\n";
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}
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}
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////
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// Change log:
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// September 16, 2002: Changed it to only test for compilers where ports exist,
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// else use the Reference version. It used to give an error if used on a
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// compiler that wasn't tested for. Also removed "./".
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// It still needs to test for Intel and Metrowerks, as these define _MSC_VER,
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// too. T.S.
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////////////////////////////////////////////////////////////////////////////////
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