本文整理汇总了C++中llvm::sys::Path::getDirname方法的典型用法代码示例。如果您正苦于以下问题：C++ Path::getDirname方法的具体用法？C++ Path::getDirname怎么用？C++ Path::getDirname使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类llvm::sys::Path的用法示例。
在下文中一共展示了Path::getDirname方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: linkExecutable
int linkExecutable(const char* argv0)
{
Logger::println("*** Linking executable ***");
// error string
std::string errstr;
// find the llvm-ld program
llvm::sys::Path ldpath = llvm::sys::Program::FindProgramByName("llvm-ld");
if (ldpath.isEmpty())
{
ldpath.set("llvm-ld");
}
// build arguments
std::vector<const char*> args;
// first the program name ??
args.push_back("llvm-ld");
// output filename
std::string exestr;
if (global.params.exefile)
{ // explicit
exestr = global.params.exefile;
}
else
{ // inferred
// try root module name
if (Module::rootModule)
exestr = Module::rootModule->toChars();
else
exestr = "a.out";
}
if (global.params.os == OSWindows && !(exestr.substr(exestr.length()-4) == ".exe"))
exestr.append(".exe");
std::string outopt = "-o=" + exestr;
args.push_back(outopt.c_str());
// set the global gExePath
gExePath.set(exestr);
assert(gExePath.isValid());
// create path to exe
llvm::sys::Path exedir(gExePath);
exedir.set(gExePath.getDirname());
if (!exedir.exists())
{
exedir.createDirectoryOnDisk(true, &errstr);
if (!errstr.empty())
{
error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
fatal();
}
}
// strip debug info
if (!global.params.symdebug)
args.push_back("-strip-debug");
// optimization level
if (!optimize())
args.push_back("-disable-opt");
else
{
switch(optLevel())
{
case 0:
args.push_back("-disable-opt");
break;
case 1:
args.push_back("-globaldce");
args.push_back("-disable-opt");
args.push_back("-globaldce");
args.push_back("-mem2reg");
case 2:
case 3:
case 4:
case 5:
// use default optimization
break;
default:
assert(0);
}
}
// inlining
if (!(global.params.useInline || doInline()))
{
args.push_back("-disable-inlining");
}
// additional linker switches
for (int i = 0; i < global.params.linkswitches->dim; i++)
{
char *p = (char *)global.params.linkswitches->data[i];
args.push_back(p);
}
//.........这里部分代码省略.........
示例2: linkObjToExecutable
int linkObjToExecutable(const char* argv0)
{
Logger::println("*** Linking executable ***");
// error string
std::string errstr;
// find gcc for linking
llvm::sys::Path gcc = getGcc();
// get a string version for argv[0]
const char* gccStr = gcc.c_str();
// build arguments
std::vector<const char*> args;
// first the program name ??
args.push_back(gccStr);
// object files
for (int i = 0; i < global.params.objfiles->dim; i++)
{
char *p = (char *)global.params.objfiles->data[i];
args.push_back(p);
}
// output filename
std::string exestr;
if (global.params.exefile)
{ // explicit
exestr = global.params.exefile;
}
else
{ // inferred
// try root module name
if (Module::rootModule)
exestr = Module::rootModule->toChars();
else if (global.params.objfiles->dim)
exestr = FileName::removeExt((char*)global.params.objfiles->data[0]);
else
exestr = "a.out";
}
if (global.params.os == OSWindows && !(exestr.rfind(".exe") == exestr.length()-4))
exestr.append(".exe");
args.push_back("-o");
args.push_back(exestr.c_str());
// set the global gExePath
gExePath.set(exestr);
assert(gExePath.isValid());
// create path to exe
llvm::sys::Path exedir(gExePath);
exedir.set(gExePath.getDirname());
if (!exedir.exists())
{
exedir.createDirectoryOnDisk(true, &errstr);
if (!errstr.empty())
{
error("failed to create path to linking output: %s\n%s", exedir.c_str(), errstr.c_str());
fatal();
}
}
// additional linker switches
for (int i = 0; i < global.params.linkswitches->dim; i++)
{
char *p = (char *)global.params.linkswitches->data[i];
args.push_back(p);
}
// user libs
for (int i = 0; i < global.params.libfiles->dim; i++)
{
char *p = (char *)global.params.libfiles->data[i];
args.push_back(p);
}
// default libs
switch(global.params.os) {
case OSLinux:
args.push_back("-lrt");
// fallthrough
case OSMacOSX:
args.push_back("-ldl");
// fallthrough
case OSFreeBSD:
args.push_back("-lpthread");
args.push_back("-lm");
break;
case OSSolaris:
args.push_back("-lm");
args.push_back("-lumem");
// solaris TODO
break;
case OSWindows:
// FIXME: I'd assume kernel32 etc
break;
//.........这里部分代码省略.........