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// -*- c++ -*-
// Distributed under the BSD 2-Clause License.
// See accompanying file LICENSE for details.
#include "util.h"
#include <iostream>
#include <fstream>
#include <algorithm>
#include <cctype>
std::string to_lower(const std::string& str)
{
std::string out{str};
std::transform(out.begin(), out.end(), out.begin(), ::tolower);
return out;
}
std::string readFile(const std::string& fileName)
{
std::ifstream ifs(fileName.c_str(),
std::ios::in | std::ios::binary | std::ios::ate);
std::ifstream::pos_type fileSize = ifs.tellg();
ifs.seekg(0, std::ios::beg);
std::vector<char> bytes(fileSize);
ifs.read(bytes.data(), fileSize);
return std::string(bytes.data(), fileSize);
}
std::vector<std::string> readDeps(const std::string& depFile)
{
if(!std::filesystem::exists(depFile))
{
return {};
}
auto str = readFile(depFile);
std::vector<std::string> output;
std::string tmp;
bool start{false};
bool in_whitespace{false};
for(const auto& c : str)
{
if(c == '\\' || c == '\n')
{
continue;
}
if(c == ':')
{
start = true;
continue;
}
if(!start)
{
continue;
}
if(c == ' ' || c == '\t')
{
if(in_whitespace)
{
continue;
}
if(!tmp.empty())
{
output.push_back(tmp);
}
tmp.clear();
in_whitespace = true;
}
else
{
in_whitespace = false;
tmp += c;
}
}
if(!tmp.empty())
{
output.push_back(tmp);
}
return output;
}
ctor::language languageFromExtension(const std::filesystem::path& file)
{
auto ext = file.extension().string();
// First a few case sensitive comparisons
if(ext == ".c")
{
return ctor::language::c;
}
if(ext == ".C")
{
return ctor::language::cpp;
}
// The rest are compared in lowercase
ext = to_lower(ext);
if(ext == ".cc" ||
ext == ".cpp" ||
ext == ".c++" ||
ext == ".cp" ||
ext == ".cxx")
{
return ctor::language::cpp;
}
if(ext == ".s" ||
ext == ".asm")
{
return ctor::language::assembler;
}
std::cerr << "Could not deduce language from " << file.string() << "\n";
exit(1);
return {};
}
namespace
{
bool isClean(char c)
{
return c != '.' && c != '/';
}
}
std::string cleanUp(const std::string& path)
{
std::string cleaned;
for(const auto& c : path)
{
if(isClean(c))
{
cleaned += c;
}
else
{
cleaned += '_';
}
}
return cleaned;
}
ctor::target_type target_type_from_extension(const std::filesystem::path& file)
{
auto ext = to_lower(file.extension().string());
// Loosely based on:
// https://en.wikipedia.org/wiki/List_of_file_formats#Object_code,_executable_files,_shared_and_dynamically_linked_libraries
if(ext == ".a" ||
ext == ".lib")
{
return ctor::target_type::static_library;
}
if(ext == ".so" ||
ext == ".dll" ||
ext == ".dylib")
{
return ctor::target_type::dynamic_library;
}
if(ext == ".o" ||
ext == ".obj")
{
return ctor::target_type::object;
}
if(ext == "" ||
ext == ".exe" ||
ext == ".com" ||
ext == ".bin" ||
ext == ".run" ||
ext == ".out")
{
return ctor::target_type::executable;
}
return ctor::target_type::unknown;
}
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