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package.scala
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package.scala
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/*
* Copyright 2022 Valdemar Grange
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package gql
import cats.parse._
import cats._
import cats.data._
import cats.implicits._
import io.circe._
package object parser {
final case class ParseError(
caret: Caret,
prettyError: Eval[String]
) {
lazy val asGraphQL = {
import io.circe.syntax._
JsonObject(
"message" -> "could not parse query".asJson,
"locations" -> Json.arr(Json.obj("line" -> caret.line.asJson, "column" -> caret.col.asJson)),
"error" -> prettyError.value.asJson
)
}
}
def parse(str: String): Either[ParseError, NonEmptyList[QueryParser.ExecutableDefinition]] = {
QueryParser.executableDefinition.rep
.parseAll(str)
.leftMap { err =>
val offset = err.failedAtOffset
val left = str.take(offset)
val nls = left.split("\n")
val line = nls.size
val col = nls.last.size
ParseError(
Caret(line, col, offset),
Eval.later(ParserUtil.errorMessage(str, err))
)
}
}
}