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fe39da53e3
The new visitor class is used for IR generation. This removes some modifications from DMD source.
82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
//===-- cl_helpers.cpp ----------------------------------------------------===//
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//
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// LDC – the LLVM D compiler
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//
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// This file is distributed under the BSD-style LDC license. See the LICENSE
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// file for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gen/cl_helpers.h"
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#include "mars.h"
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#include "rmem.h"
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#include "root.h"
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#include <algorithm>
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#include <cctype> // isupper, tolower
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#include <stdarg.h>
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#include <utility>
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namespace opts {
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bool FlagParser::parse(cl::Option &O, llvm::StringRef ArgName, llvm::StringRef Arg, bool &Val) {
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// Make a std::string out of it to make comparisons easier
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// (and avoid repeated conversion)
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llvm::StringRef argname = ArgName;
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typedef std::vector<std::pair<std::string, bool> >::iterator It;
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for (It I = switches.begin(), E = switches.end(); I != E; ++I) {
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llvm::StringRef name = I->first;
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if (name == argname
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|| (name.size() < argname.size()
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&& argname.substr(0, name.size()) == name
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&& argname[name.size()] == '=')) {
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if (!cl::parser<bool>::parse(O, ArgName, Arg, Val)) {
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Val = (Val == I->second);
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return false;
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}
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// Invalid option value
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break;
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}
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}
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return true;
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}
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void FlagParser::getExtraOptionNames(llvm::SmallVectorImpl<const char*> &Names) {
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typedef std::vector<std::pair<std::string, bool> >::iterator It;
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for (It I = switches.begin() + 1, E = switches.end(); I != E; ++I) {
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Names.push_back(I->first.data());
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}
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}
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MultiSetter::MultiSetter(bool invert, bool* p, ...) {
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this->invert = invert;
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if (p) {
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locations.push_back(p);
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va_list va;
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va_start(va, p);
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while ((p = va_arg(va, bool*))) {
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locations.push_back(p);
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}
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}
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}
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void MultiSetter::operator=(bool val) {
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typedef std::vector<bool*>::iterator It;
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for (It I = locations.begin(), E = locations.end(); I != E; ++I) {
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**I = (val != invert);
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}
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}
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void StringsAdapter::push_back(const char* cstr) {
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if (!cstr || !*cstr)
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error(Loc(), "Expected argument to '-%s'", name);
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if (!*arrp)
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*arrp = new Strings;
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(*arrp)->push(mem.strdup(cstr));
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}
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} // namespace opts
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