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32b7637528
Required for dmd-testsuite's compilable/json2.d. Also fixes a bug regarding ConfigFile::path() with a null config file path (e.g., when disabled explicitly via `-conf=`) - the std::string(const char *) ctor segfaults for a null pointer arg, whereas llvm::StringRef handles null pointers gracefully.
78 lines
1.7 KiB
C++
78 lines
1.7 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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char *dupPathString(llvm::StringRef src) {
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const auto length = src.size();
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char *r = static_cast<char *>(mem.xmalloc(length + 1));
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memcpy(r, src.data(), length);
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#if _WIN32
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std::replace(r, r + length, '/', '\\');
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#endif
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r[length] = '\0';
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return r;
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}
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void initFromPathString(const char *&dest, const cl::opt<std::string> &src) {
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dest = nullptr;
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if (src.getNumOccurrences() != 0) {
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if (src.empty()) {
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error(Loc(), "Expected argument to '-%s'",
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#if LDC_LLVM_VER >= 308
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src.ArgStr.str().c_str()
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#else
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src.ArgStr
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#endif
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);
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}
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dest = dupPathString(src);
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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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va_end(va);
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}
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}
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void MultiSetter::operator=(bool val) {
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for (auto &l : locations) {
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*l = (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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}
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if (!*arrp) {
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*arrp = new Strings;
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}
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(*arrp)->push(mem.xstrdup(cstr));
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}
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} // namespace opts
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