fix: parsing of d2:condition arg0 into root AST#89
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| object ExpressionGrammar { | ||
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| private val STRING_PARSED = Fragment {expr, ctx -> run { |
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I think the run function is not necessary here.
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IDK kotlin well enough, this was a suggestion by the IDE to add it. Do you think I should remove it?
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I think it has no effect in this particular case, but maybe there is something else I don't see. The run method executes a block of code as an expression (check the last paragraph in this section). In this case, this part of the code builds a Fragment object by implementing the abstract method in the interface, which is this lambda function. So I don't see any difference in adding run in the body. It is fine to leave it if we want.
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| private val STRING_PARSED = Fragment {expr, ctx -> run { | ||
| val nestedExpr = Literals.parseString(expr); // consumes the literal in parent expr | ||
| Expr.parse(nestedExpr, ctx, false); |
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The ending ; are not incorrect, but not strictly necessary in kotlin.
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Added a small description just for the record. This PR looks good to me. The only missing thing is the version upgrade, it should be updated if we want a new release for this. |
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The function
d2:conditionwas defined in the parser but not implemented. This function is very similar to theiffunction with the difference that the condition is quoted (for exampled2:condition('((1 == 1) && (2 == 2))',1,0)). The implementation uses the same evaluation as for theiffunction after the condition expression is unquoted.Related ticket.