clayborg added a comment.
Looking closer at the JSON parser llvm::StringRef isn't the right thing to use
when parsing JSON. The parser will often remove desensitizing characters from
say a string like:
"hello \"world\""
And when parsing a token in JSONParser::GetToken, we can't just hand out a
llvm::StringRef do this data in memory. The function prototype is:
JSONParser::Token
JSONParser::GetToken (std::string &value)
This would mean we would need "value" to be able to have a new backing store in
case the values don't match what is in the JSON text buffer which would defeat
the purpose of using llvm::StringRef. We could make a struct like:
struct ParseString
{
llvm::StringRef value;
std::string backing_store;
};
But then the code becomes more complex for no real benefit.
https://reviews.llvm.org/D23884
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