gapt.proofs.context.util.scala Maven / Gradle / Ivy

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General Architecture for Proof Theory

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package gapt.proofs.context

import gapt.expr.Apps
import gapt.expr.Const
import gapt.expr.Expr
import gapt.expr.formula.Eq
import gapt.expr.preExpr
import gapt.expr.util.syntacticMatching
import gapt.formats.babel.BabelParser

private[context] object parseDefinitionalEquation {

  def apply(
      c: Const,
      equation: String
  )(implicit ctx: Context): (Expr, Expr) = {
    BabelParser.tryParse(
      equation,
      p => preExpr.TypeAnnotation(p, preExpr.Bool)
    )
      .fold(throw _, identity) match {
      case Eq(lhs @ Apps(c_, _), rhs) =>
        syntacticMatching(c_, c).get(lhs -> rhs)
    }
  }

}