TASK: Split parsing logic from AST objects#31
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This also turns the EnumName class into a domain concern.
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mhsdesign
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Aug 10, 2023
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| $this->booleanLiteralParser ??= BooleanLiteralParser::singleton(); | ||
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| $booleanLiteralNode = $this->booleanLiteralParser->parse($tokens); |
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I dont think, we need this second instance cache layer. Calling ::singleton() every-time should be fine?
Also it seems we are not using it for tests to swap out implementations...
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The underlying consideration is:
using($this->booleanLiteralParser) = cost_of(ReferenceLookup)
vs.
using(BooleanLiteralParser::singleton()) = cost_of(FunctionCall) + cost_of(ReferenceLookup)
It's just a performance optimization (maybe a bit over the top, but it's not nothing :D).
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As I'm working on #34, I noticed that I'm just one step away from being able to make all parsers static.
That will effectively eliminate this problem :)
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Remaining TODOs