org.aya.tyck.error.ClassError Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of base Show documentation
The Aya proof assistant
The newest version!
// Copyright (c) 2020-2024 Tesla (Yinsen) Zhang.
// Use of this source code is governed by the MIT license that can be found in the LICENSE.md file.
package org.aya.tyck.error;

import org.aya.prettier.BasePrettier;
import org.aya.pretty.doc.Doc;
import org.aya.syntax.concrete.Expr;
import org.aya.syntax.core.term.call.ClassCall;
import org.aya.util.error.SourceNode;
import org.aya.util.error.SourcePos;
import org.aya.util.error.WithPos;
import org.aya.util.prettier.PrettierOptions;
import org.jetbrains.annotations.NotNull;

public interface ClassError extends TyckError, SourceNodeProblem {
  @Override default @NotNull SourcePos sourcePos() { return expr().sourcePos(); }

  record NotFullyApplied(@Override @NotNull WithPos expr) implements ClassError {
    @Override public @NotNull Doc describe(@NotNull PrettierOptions options) {
      return Doc.sep(Doc.english("Unable to new an incomplete class type:"), Doc.code(expr.data().toDoc(options)));
    }
  }

  record UnknownMember(@Override @NotNull SourcePos sourcePos, @NotNull String name) implements TyckError {
    @Override public @NotNull Doc describe(@NotNull PrettierOptions options) {
      return Doc.sep(Doc.english("Unknown member"),
        Doc.code(name), Doc.english("projected"));
    }
  }

  record InstanceNotFound(@Override @NotNull SourcePos sourcePos, @NotNull ClassCall clazz) implements TyckError {
    @Override public @NotNull Doc describe(@NotNull PrettierOptions options) {
      return Doc.sep(Doc.english("Instances for the class"),
        BasePrettier.refVar(clazz.ref()), Doc.english("not found"));
    }
  }

  record ProjIxError(@Override @NotNull SourceNode expr, int actual)
    implements TyckError, SourceNodeProblem {
    @Override public @NotNull Doc describe(@NotNull PrettierOptions options) {
      return Doc.sep(Doc.english("Index can only be 1 or 2, there's no"),
        Doc.ordinal(actual), Doc.english("projection"));
    }
  }
}