void ShaderWithVariables::initProgram(const char* shadername)
{
glGenVertexArrays(1, &m_vao);
std::cout
<< "Shader ["
<< shadername
<< "] "
;
std::string vs = shadername;
std::string fs = shadername;
vs += ".vert";
fs += ".frag";
m_program = makeShaderFromSource(vs.c_str(), fs.c_str());
if (m_program == 0)
return;
std::cout << " vars: ";
const std::string vsrc = GetShaderSource(vs.c_str());
findVariables(vsrc.c_str());
const std::string fsrc = GetShaderSource(fs.c_str());
findVariables(fsrc.c_str());
std::cout
<< m_unis.size() << " unis, "
<< m_attrs.size() << " attrs."
<< std::endl;
}
XmlConfig::XmlConfigData::XmlConfigData(const char *file) :
doc_(NULL), filename_(file) {
namespace fs = boost::filesystem;
std::string file_str;
#ifdef BOOST_FILESYSTEM_VERSION
#if BOOST_FILESYSTEM_VERSION == 3
fs::path path(file);
file_str = path.native();
#else
fs::path path(file, fs::no_check);
file_str = path.native_file_string();
#endif
#else
fs::path path(file, fs::no_check);
file_str = path.native_file_string();
#endif
if (!fs::exists(path)) {
std::stringstream stream;
stream << "can not read " << file_str;
throw std::runtime_error(stream.str());
}
doc_ = XmlDocHelper(xmlParseFile(file_str.c_str()));
XmlUtils::throwUnless(NULL != doc_.get());
if (NULL == xmlDocGetRootElement(doc_.get())) {
throw std::logic_error("got empty config");
}
XmlUtils::throwUnless(xmlXIncludeProcess(doc_.get()) >= 0);
findVariables(doc_);
}
void DwarfVariableFinder::findVariables(const DWARFDie &die) {
for (auto child = die.getFirstChild(); child; child = child.getSibling()) {
switch(child.getTag()) {
case dwarf::DW_TAG_variable:
case dwarf::DW_TAG_formal_parameter:
case dwarf::DW_TAG_constant:
handleVariable(child);
break;
default:
if (child.hasChildren())
findVariables(child);
}
}
}
DwarfVariableFinder::DwarfVariableFinder(const DWARFDie &die, raw_ostream &os) : OS(os) {
if(!die.hasChildren()) {
outs() << "No child \n\n";
return;
}
for (auto child = die.getFirstChild(); child; child = child.getSibling()) {
//Go over all the top level sub_programs
if(child.isSubprogramDIE() || child.isSubroutineDIE()) {
getInfo(child);
//Look for variables among children of sub_program die
if(!child.hasChildren()) {
continue;
}
findVariables(child);
}
}
}
XmlConfig::XmlConfig(const char *file)
: doc_(nullptr), regex_("\\$\\{([A-Za-z][A-Za-z0-9\\-]*)\\}") {
try {
std::ifstream f(file);
if (!f) {
throw std::runtime_error(std::string("can not open ").append(file));
}
setFilename(file);
doc_ = XmlDocHelper(xmlParseFile(file));
XmlUtils::throwUnless(nullptr != doc_.get());
if (nullptr == xmlDocGetRootElement(doc_.get())) {
throw std::logic_error("got empty config");
}
XmlUtils::throwUnless(xmlXIncludeProcess(doc_.get()) >= 0);
findVariables(doc_);
} catch (const std::ios::failure &e) {
throw std::runtime_error(std::string("can not read ").append(file));
}
}
