Hi all,
Groovy parses negative numbers as unary expression. For example, `-1`
is parsed as `-``1`, older parser parses negative numbers twice, so does the
Parrot parser for the identical output...
I suggest to parse negative numbers as REAL numbers instead of unary
expression[1]. It will break the edge case, for example: `-1(a, b, c)` is
parsed as `-(1.call(a, b, c))`, after refining, `-1(a, b, c)` is parsed as
`-1.call(a, b, c)`.
Any thoughts? If no PMC votes -1 on this GEP in 72 hours, I will
work on it.
Cheers,
Daniel.Sun
[1]
https://github.com/danielsun1106/groovy-parser/blob/master/src/main/antlr/GroovyParser.g4#L796
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