java-parser: New entrypoint lexAndParse
to return both tokens and CST.
#625
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What changed with this PR:
Provide an entrypoint that exposes both the CST and the underlying token array.
Alternatives
The token array could also be accessed through the
parser
object, which we could export instead, but that seems like an internal implementation detail which perhaps shouldn't be part of the API.Finally, we could consider exporting the lexer, but then if I want to get both the CST and the tokens I have to lex twice, which seems wasteful.