Alex Hoppen e43bad2c71 [libSyntax] Store the token's text in the SyntaxArena ...

Do the same thing that we are already doing for trivia: Since RawSyntax
nodes always live inside a SyntaxArena, we don't need to tail-allocate
an OwnedString to store the token's text. Instead we can just copy it
to the SyntaxArena. If we copy the entire source buffer to the syntax
arena at the start of parsing, this means that no more copies are
required later on. Plus we also avoid ref-counting the OwnedString which
should also increase performance.

2021-02-10 09:50:12 +01:00

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