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wpiutil: Replace LLVM Optional with C++17-compatible optional

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Imported from https://github.com/akrzemi1/Optional with minor changes:
- Compiler conditional simplifications (we only use recent versions)
- Move from std::experimental to wpi namespace
- Change tests to integrate with Google Test

Update LLVM use cases.
This commit is contained in:
Peter Johnson
2018-11-19 22:57:34 -08:00
parent 489701cacc
commit 0b03454366
14 changed files with 2494 additions and 422 deletions
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6
wpiutil/src/main/native/cpp/llvm/raw_ostream.cpp
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@@ -372,7 +372,7 @@ raw_ostream &raw_ostream::operator<<(const FormattedBytes &FB) {
const size_t Size = Bytes.size();
HexPrintStyle HPS = FB.Upper ? HexPrintStyle::Upper : HexPrintStyle::Lower;
uint64_t OffsetWidth = 0;
if (FB.FirstByteOffset.hasValue()) {
if (FB.FirstByteOffset.has_value()) {
// Figure out how many nibbles are needed to print the largest offset
// represented by this data set, so that we can align the offset field
// to the right width.
@@ -392,8 +392,8 @@ raw_ostream &raw_ostream::operator<<(const FormattedBytes &FB) {
while (!Bytes.empty()) {
indent(FB.IndentLevel);
if (FB.FirstByteOffset.hasValue()) {
uint64_t Offset = FB.FirstByteOffset.getValue();
if (FB.FirstByteOffset.has_value()) {
uint64_t Offset = FB.FirstByteOffset.value();
wpi::write_hex(*this, Offset + LineIndex, HPS, OffsetWidth);
*this << ": ";
}