org.opencypher.v9_0.ast.semantics.ScopeTreeVerifier.scala Maven / Gradle / Ivy

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Abstract Syntax Tree and semantic analysis for the Cypher query language

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/*
 * Copyright (c) Neo4j Sweden AB (http://neo4j.com)
 *
 * 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 org.opencypher.v9_0.ast.semantics

import org.opencypher.v9_0.util.Ref

import scala.compat.Platform.EOL

object ScopeTreeVerifier {
  def verify(root: Scope): Seq[String] = {
    val localSymbolTableIssues = root.allScopes.flatMap {
      scope =>
        scope.symbolTable.collect {
          case (name, symbol) if name != symbol.name =>
            s"'$name' points to symbol with different name '$symbol' in scope #${Ref(scope).toIdString}. Scope tree:$EOL$root"
        }
    }
    localSymbolTableIssues
  }

}