Protoc allows "-nan" and is lenient for "inf" and "nan" inside message literals #37
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This requires adding
nan
to the list of keywords, so we can model the special float value-nan
in the grammar.I also made some minor simplifications in here by combining
UintLiteral
andIntLiteral
into a singleIntLiteral
production (which can be optionally signed).This also contains a correction to the set of identifiers that can be used for boolean values in the text format. The previous text indicated that
T
andF
could be used, but that's incorrect: it's lower-caset
andf
that can be used.TODO: updating the example grammars to reflect these latest fixes