malaperle-ericsson added a comment.

In https://reviews.llvm.org/D31992#725866, @krasimir wrote:

> Seems that we're starting to hit some YAML/JSON mismatches, or is it that 
> your YAML string support is lacking?


I don't think so. It seems like JSON and YAML are not completely aligned on 
escaped characters. See http://yaml.org/spec/1.2/spec.html#id2776092 which 
specifies unicode 8, 16, and 32 bits are escaped with \x, \u, and \U whereas 
http://www.json.org/string.gif specifies that unicode 16 bit characters can be 
encoded with \u but \x and \U are not supported. This leads me to believe that 
a YAML parser can read JSON but a JSON parser will not necessarily be able to 
read YAML. I thought about using json cpp but that's a much bigger change


Repository:
  rL LLVM

https://reviews.llvm.org/D31992



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