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• RelationalPrecedenceDelta.scala

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miksilo.modularLanguages.deltas.expression.relational.RelationalPrecedenceDelta.scala Maven / Gradle / Ivy

package miksilo.modularLanguages.deltas.expression.relational

import miksilo.modularLanguages.core.deltas.grammars.LanguageGrammars
import miksilo.modularLanguages.core.deltas.{Contract, DeltaWithGrammar}
import miksilo.languageServer.core.language.Language
import miksilo.modularLanguages.core.node.GrammarKey
import miksilo.modularLanguages.deltas.expression.ExpressionDelta

object RelationalPrecedenceDelta extends DeltaWithGrammar {

  override def dependencies: Set[Contract] = Set(ExpressionDelta)

  override def transformGrammars(grammars: LanguageGrammars, state: Language): Unit = {
    val expressionGrammar = grammars.find(ExpressionDelta.FirstPrecedenceGrammar)
    val relationalGrammar = grammars.create(Grammar, expressionGrammar.inner)
    expressionGrammar.inner = relationalGrammar
  }

  object Grammar extends GrammarKey

  override def description: String = "Creates a named grammar with the correct precedence for relational operators."
}