mirror of
https://github.com/ldc-developers/ldc.git
synced 2025-05-01 15:40:55 +03:00
c2c00d00a2
Replaces the FlagParser with llvm:🆑:parser<bool>.
If no one objects then this will be the default implementation
starting with LLVM 3.7.
TODO: The help text still has the footnote for the FlagParser options.
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
//===-- cl_helpers.cpp ----------------------------------------------------===//
|
||
//
|
||
// LDC – the LLVM D compiler
|
||
//
|
||
// This file is distributed under the BSD-style LDC license. See the LICENSE
|
||
// file for details.
|
||
//
|
||
//===----------------------------------------------------------------------===//
|
||
|
||
#include "gen/cl_helpers.h"
|
||
#include "mars.h"
|
||
#include "rmem.h"
|
||
#include "root.h"
|
||
#include <algorithm>
|
||
#include <cctype> // isupper, tolower
|
||
#include <stdarg.h>
|
||
#include <utility>
|
||
|
||
namespace opts {
|
||
|
||
#if LDC_LLVM_VER < 307
|
||
bool FlagParser::parse(cl::Option &O, llvm::StringRef ArgName, llvm::StringRef Arg, bool &Val) {
|
||
// Make a std::string out of it to make comparisons easier
|
||
// (and avoid repeated conversion)
|
||
llvm::StringRef argname = ArgName;
|
||
|
||
typedef std::vector<std::pair<std::string, bool> >::iterator It;
|
||
for (It I = switches.begin(), E = switches.end(); I != E; ++I) {
|
||
llvm::StringRef name = I->first;
|
||
if (name == argname
|
||
|| (name.size() < argname.size()
|
||
&& argname.substr(0, name.size()) == name
|
||
&& argname[name.size()] == '=')) {
|
||
|
||
if (!cl::parser<bool>::parse(O, ArgName, Arg, Val)) {
|
||
Val = (Val == I->second);
|
||
return false;
|
||
}
|
||
// Invalid option value
|
||
break;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
void FlagParser::getExtraOptionNames(llvm::SmallVectorImpl<const char*> &Names) {
|
||
typedef std::vector<std::pair<std::string, bool> >::iterator It;
|
||
for (It I = switches.begin() + 1, E = switches.end(); I != E; ++I) {
|
||
Names.push_back(I->first.data());
|
||
}
|
||
}
|
||
#endif
|
||
|
||
MultiSetter::MultiSetter(bool invert, bool* p, ...) {
|
||
this->invert = invert;
|
||
if (p) {
|
||
locations.push_back(p);
|
||
va_list va;
|
||
va_start(va, p);
|
||
while ((p = va_arg(va, bool*))) {
|
||
locations.push_back(p);
|
||
}
|
||
va_end(va);
|
||
}
|
||
}
|
||
|
||
void MultiSetter::operator=(bool val) {
|
||
typedef std::vector<bool*>::iterator It;
|
||
for (It I = locations.begin(), E = locations.end(); I != E; ++I) {
|
||
**I = (val != invert);
|
||
}
|
||
}
|
||
|
||
|
||
void StringsAdapter::push_back(const char* cstr) {
|
||
if (!cstr || !*cstr)
|
||
error(Loc(), "Expected argument to '-%s'", name);
|
||
|
||
if (!*arrp)
|
||
*arrp = new Strings;
|
||
(*arrp)->push(mem.strdup(cstr));
|
||
}
|
||
|
||
} // namespace opts
|