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https://github.com/jfmengels/elm-review.git
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Allow a Rule to have several visitors of the same type
This commit is contained in:
Jeroen Engels
parent
ae30aaa02e
commit
e0cf09b41e
@ -65,8 +65,8 @@ rule =
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, usedModules = Set.empty
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, fileKey = Nothing
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}
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, elmJsonVisitor = Just elmJsonVisitor
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, dependenciesVisitor = Nothing
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, elmJsonVisitors = [ elmJsonVisitor ]
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, dependenciesVisitors = []
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, fileVisitor = fileVisitor
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, mergeContexts =
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\contextA contextB ->
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@ -102,7 +102,11 @@ error ( moduleName, { fileKey, moduleNameLocation } ) =
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type alias Context =
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{ modules : Dict (List String) { fileKey : Rule.FileKey, moduleNameLocation : Range }
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{ modules :
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Dict (List String)
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{ fileKey : Rule.FileKey
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, moduleNameLocation : Range
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}
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, usedModules : Set (List String)
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, fileKey : Maybe Rule.FileKey
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}
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@ -264,15 +264,15 @@ type
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= Schema
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{ name : String
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, initialContext : context
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, fileKeyVisitor : Maybe (FileKey -> context -> context)
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, elmJsonVisitor : Maybe Elm.Project.Project -> context -> context
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, dependenciesVisitor : Dict String Elm.Docs.Module -> context -> context
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, moduleDefinitionVisitor : Node Module -> context -> ( List Error, context )
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, importVisitor : Node Import -> context -> ( List Error, context )
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, declarationListVisitor : List (Node Declaration) -> context -> ( List Error, context )
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, declarationVisitor : Node Declaration -> Direction -> context -> ( List Error, context )
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, expressionVisitor : Node Expression -> Direction -> context -> ( List Error, context )
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, finalEvaluationFn : context -> List Error
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, fileKeyVisitors : List (FileKey -> context -> context)
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, elmJsonVisitors : List (Maybe Elm.Project.Project -> context -> context)
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, dependenciesVisitors : List (Dict String Elm.Docs.Module -> context -> context)
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, moduleDefinitionVisitors : List (Node Module -> context -> ( List Error, context ))
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, importVisitors : List (Node Import -> context -> ( List Error, context ))
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, declarationListVisitors : List (List (Node Declaration) -> context -> ( List Error, context ))
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, declarationVisitors : List (Node Declaration -> Direction -> context -> ( List Error, context ))
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, expressionVisitors : List (Node Expression -> Direction -> context -> ( List Error, context ))
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, finalEvaluationFns : List (context -> List Error)
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}
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@ -418,7 +418,23 @@ newFileVisitorSchema initialContext =
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-}
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fromSchema : Schema ForLookingAtASingleFile { hasAtLeastOneVisitor : () } context -> Rule
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fromSchema ((Schema { name }) as schema) =
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Single name (runSingle schema Dict.empty)
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Single name (runSingle (reverseVisitors schema) Dict.empty)
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reverseVisitors : Schema anyType { hasAtLeastOneVisitor : () } context -> Schema anyType { hasAtLeastOneVisitor : () } context
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reverseVisitors (Schema schema) =
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Schema
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{ schema
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| fileKeyVisitors = List.reverse schema.fileKeyVisitors
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, elmJsonVisitors = List.reverse schema.elmJsonVisitors
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, dependenciesVisitors = List.reverse schema.dependenciesVisitors
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, moduleDefinitionVisitors = List.reverse schema.moduleDefinitionVisitors
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, importVisitors = List.reverse schema.importVisitors
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, declarationListVisitors = List.reverse schema.declarationListVisitors
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, declarationVisitors = List.reverse schema.declarationVisitors
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, expressionVisitors = List.reverse schema.expressionVisitors
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, finalEvaluationFns = List.reverse schema.finalEvaluationFns
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}
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type alias SingleRuleCache =
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@ -469,36 +485,31 @@ computeErrors (Schema schema) project =
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initialContext : context
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initialContext =
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schema.initialContext
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|> schema.elmJsonVisitor (Review.Project.elmJson project)
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|> schema.dependenciesVisitor (Review.Project.modules project)
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|> accumulateContext schema.elmJsonVisitors (Review.Project.elmJson project)
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|> accumulateContext schema.dependenciesVisitors (Review.Project.modules project)
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in
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\file ->
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initialContext
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|> schema.moduleDefinitionVisitor file.ast.moduleDefinition
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|> accumulateList schema.importVisitor file.ast.imports
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|> accumulate (schema.declarationListVisitor file.ast.declarations)
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|> accumulateList (visitDeclaration schema.declarationVisitor schema.expressionVisitor) file.ast.declarations
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|> makeFinalEvaluation schema.finalEvaluationFn
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( [], initialContext )
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|> accumulateWithListOfVisitors schema.moduleDefinitionVisitors file.ast.moduleDefinition
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|> accumulateList (visitImport schema.importVisitors) file.ast.imports
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|> accumulateWithListOfVisitors schema.declarationListVisitors file.ast.declarations
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|> accumulateList (visitDeclaration schema.declarationVisitors schema.expressionVisitors) file.ast.declarations
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|> makeFinalEvaluation schema.finalEvaluationFns
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|> List.map (\(Error err) -> Error { err | ruleName = schema.name, filePath = file.path })
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|> List.reverse
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maybeApply : Maybe (b -> a -> a) -> b -> a -> a
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maybeApply maybeFn argument =
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case maybeFn of
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Just fn ->
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fn argument
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Nothing ->
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identity
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accumulateContext : List (element -> context -> context) -> element -> context -> context
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accumulateContext visitors element context =
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List.foldl (\visitor -> visitor element) context visitors
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type MultiSchema context
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= MultiSchema
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{ name : String
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, initialContext : context
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, elmJsonVisitor : Maybe (Maybe Elm.Project.Project -> context -> context)
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, dependenciesVisitor : Maybe (Dict String Elm.Docs.Module -> context -> context)
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, elmJsonVisitors : List (Maybe Elm.Project.Project -> context -> context)
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, dependenciesVisitors : List (Dict String Elm.Docs.Module -> context -> context)
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, mergeContexts : context -> context -> context
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, fileVisitor : context -> Schema ForLookingAtSeveralFiles { hasAtLeastOneVisitor : () } context
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, finalEvaluationFn : context -> List Error
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@ -509,19 +520,19 @@ newMultiSchema :
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String
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->
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{ initialContext : context
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, elmJsonVisitor : Maybe (Maybe Elm.Project.Project -> context -> context)
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, dependenciesVisitor : Maybe (Dict String Elm.Docs.Module -> context -> context)
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, elmJsonVisitors : List (Maybe Elm.Project.Project -> context -> context)
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, dependenciesVisitors : List (Dict String Elm.Docs.Module -> context -> context)
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, fileVisitor : context -> Schema ForLookingAtSeveralFiles { hasAtLeastOneVisitor : () } context
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, mergeContexts : context -> context -> context
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, finalEvaluation : context -> List Error
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}
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-> MultiSchema context
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newMultiSchema name_ { initialContext, elmJsonVisitor, dependenciesVisitor, fileVisitor, mergeContexts, finalEvaluation } =
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newMultiSchema name_ { initialContext, elmJsonVisitors, dependenciesVisitors, fileVisitor, mergeContexts, finalEvaluation } =
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MultiSchema
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{ name = name_
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, initialContext = initialContext
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, elmJsonVisitor = elmJsonVisitor
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, dependenciesVisitor = dependenciesVisitor
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, elmJsonVisitors = elmJsonVisitors
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, dependenciesVisitors = dependenciesVisitors
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, mergeContexts = mergeContexts
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, fileVisitor = fileVisitor
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, finalEvaluationFn = finalEvaluation
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@ -529,20 +540,32 @@ newMultiSchema name_ { initialContext, elmJsonVisitor, dependenciesVisitor, file
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visitFileForMulti : Schema ForLookingAtSeveralFiles { hasAtLeastOneVisitor : () } context -> context -> ParsedFile -> ( List Error, context )
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visitFileForMulti (Schema schema) initialContext { path, ast } =
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initialContext
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|> maybeApply schema.fileKeyVisitor (FileKey path)
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|> schema.moduleDefinitionVisitor ast.moduleDefinition
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|> accumulateList schema.importVisitor ast.imports
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|> accumulate (schema.declarationListVisitor ast.declarations)
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|> accumulateList (visitDeclaration schema.declarationVisitor schema.expressionVisitor) ast.declarations
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visitFileForMulti (Schema schema) initialContext file =
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( []
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, initialContext
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|> accumulateContext schema.fileKeyVisitors (FileKey file.path)
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)
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|> accumulateWithListOfVisitors schema.moduleDefinitionVisitors file.ast.moduleDefinition
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|> accumulateList (visitImport schema.importVisitors) file.ast.imports
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|> accumulateWithListOfVisitors schema.declarationListVisitors file.ast.declarations
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|> accumulateList (visitDeclaration schema.declarationVisitors schema.expressionVisitors) file.ast.declarations
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{-| TODO documentation
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-}
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fromMultiSchema : MultiSchema context -> Rule
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fromMultiSchema ((MultiSchema schema) as multiSchema) =
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Multi schema.name (runMulti multiSchema Dict.empty)
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fromMultiSchema (MultiSchema schema) =
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Multi schema.name
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(runMulti
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(MultiSchema
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{ schema
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| elmJsonVisitors = List.reverse schema.elmJsonVisitors
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, dependenciesVisitors = List.reverse schema.dependenciesVisitors
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, fileVisitor = schema.fileVisitor >> reverseVisitors
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}
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)
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Dict.empty
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)
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type alias MultiRuleCache context =
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@ -556,23 +579,11 @@ type alias MultiRuleCache context =
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runMulti : MultiSchema context -> MultiRuleCache context -> Project -> List ParsedFile -> ( List Error, Rule )
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runMulti (MultiSchema schema) startCache project =
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let
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contextWithElmJson : context
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contextWithElmJson =
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case schema.elmJsonVisitor of
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Just elmJsonVisitor ->
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elmJsonVisitor (Review.Project.elmJson project) schema.initialContext
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Nothing ->
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schema.initialContext
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initialContext : context
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initialContext =
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case schema.dependenciesVisitor of
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Just dependenciesVisitor ->
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dependenciesVisitor (Review.Project.modules project) contextWithElmJson
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Nothing ->
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contextWithElmJson
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schema.initialContext
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|> accumulateContext schema.elmJsonVisitors (Review.Project.elmJson project)
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|> accumulateContext schema.dependenciesVisitors (Review.Project.modules project)
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in
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\files ->
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let
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@ -631,10 +642,14 @@ runMulti (MultiSchema schema) startCache project =
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{-| Concatenate the errors of the previous step and of the last step.
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-}
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makeFinalEvaluation : (context -> List Error) -> ( List Error, context ) -> List Error
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makeFinalEvaluation finalEvaluationFn ( previousErrors, previousContext ) =
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finalEvaluationFn previousContext
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++ previousErrors
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makeFinalEvaluation : List (context -> List Error) -> ( List Error, context ) -> List Error
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makeFinalEvaluation finalEvaluationFns ( previousErrors, context ) =
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List.concat
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[ List.concatMap
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(\visitor -> visitor context)
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finalEvaluationFns
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, previousErrors
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]
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{-| Add a visitor to the [`Schema`](#Schema) which will visit the `File`'s [module definition](https://package.elm-lang.org/packages/stil4m/elm-syntax/latest/Elm-Syntax-Module) (`module SomeModuleName exposing (a, b)`) and report patterns.
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@ -669,8 +684,8 @@ which isn't passed a `context` and doesn't return one. You can use `withSimpleMo
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-}
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withSimpleModuleDefinitionVisitor : (Node Module -> List Error) -> Schema anyType anything context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withSimpleModuleDefinitionVisitor visitor (Schema schema) =
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Schema { schema | moduleDefinitionVisitor = \node context -> ( visitor node, context ) }
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withSimpleModuleDefinitionVisitor visitor schema =
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withModuleDefinitionVisitor (\node context -> ( visitor node, context )) schema
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{-| Add a visitor to the [`Schema`](#Schema) which will visit the `File`'s [import statements](https://package.elm-lang.org/packages/stil4m/elm-syntax/latest/Elm-Syntax-Import) (`import Html as H exposing (div)`) in order of their definition and report patterns.
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@ -718,8 +733,8 @@ which isn't passed a `context` and doesn't return one. You can use `withSimpleIm
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-}
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withSimpleImportVisitor : (Node Import -> List Error) -> Schema anyType anything context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withSimpleImportVisitor visitor (Schema schema) =
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Schema { schema | importVisitor = \node context -> ( visitor node, context ) }
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withSimpleImportVisitor visitor schema =
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withImportVisitor (\node context -> ( visitor node, context )) schema
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{-| Add a visitor to the [`Schema`](#Schema) which will visit the `File`'s
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@ -772,18 +787,17 @@ which isn't passed a [`Direction`](#Direction) (it will only be called `OnEnter`
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-}
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withSimpleDeclarationVisitor : (Node Declaration -> List Error) -> Schema anyType anything context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withSimpleDeclarationVisitor visitor (Schema schema) =
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Schema
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{ schema
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| declarationVisitor =
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\node direction context ->
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case direction of
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OnEnter ->
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( visitor node, context )
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withSimpleDeclarationVisitor visitor schema =
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withDeclarationVisitor
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(\node direction context ->
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case direction of
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OnEnter ->
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( visitor node, context )
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OnExit ->
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( [], context )
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}
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OnExit ->
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( [], context )
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)
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schema
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{-| Add a visitor to the [`Schema`](#Schema) which will visit the `File`'s
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@ -827,18 +841,17 @@ which isn't passed a [`Direction`](#Direction) (it will only be called `OnEnter`
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-}
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withSimpleExpressionVisitor : (Node Expression -> List Error) -> Schema anyType anything context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withSimpleExpressionVisitor visitor (Schema schema) =
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Schema
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{ schema
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| expressionVisitor =
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\node direction context ->
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case direction of
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OnEnter ->
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( visitor node, context )
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withSimpleExpressionVisitor visitor schema =
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withExpressionVisitor
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(\node direction context ->
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case direction of
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OnEnter ->
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( visitor node, context )
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OnExit ->
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( [], context )
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}
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OnExit ->
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( [], context )
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)
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schema
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{-| Adds an initial `context` to start collecting data during your traversal.
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@ -951,15 +964,15 @@ emptySchema name_ initialContext =
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Schema
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{ name = name_
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, initialContext = initialContext
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, fileKeyVisitor = Nothing
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, elmJsonVisitor = \elmJson context -> context
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, dependenciesVisitor = \modules context -> context
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, moduleDefinitionVisitor = \node context -> ( [], context )
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, importVisitor = \node context -> ( [], context )
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, declarationListVisitor = \declarationNodes context -> ( [], context )
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, declarationVisitor = \node direction context -> ( [], context )
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, expressionVisitor = \node direction context -> ( [], context )
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, finalEvaluationFn = \context -> []
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, fileKeyVisitors = []
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, elmJsonVisitors = []
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, dependenciesVisitors = []
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, moduleDefinitionVisitors = []
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, importVisitors = []
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, declarationListVisitors = []
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, declarationVisitors = []
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, expressionVisitors = []
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, finalEvaluationFns = []
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}
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@ -1028,12 +1041,12 @@ The following example forbids exposing a file in an "Internal" directory in your
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-}
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withElmJsonVisitor : (Maybe Elm.Project.Project -> context -> context) -> Schema anyType anything context -> Schema anyType anything context
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withElmJsonVisitor visitor (Schema schema) =
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Schema { schema | elmJsonVisitor = visitor }
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Schema { schema | elmJsonVisitors = visitor :: schema.elmJsonVisitors }
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withDependenciesVisitor : (Dict String Elm.Docs.Module -> context -> context) -> Schema anyType anything context -> Schema anyType anything context
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withDependenciesVisitor visitor (Schema schema) =
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Schema { schema | dependenciesVisitor = visitor }
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Schema { schema | dependenciesVisitors = visitor :: schema.dependenciesVisitors }
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{-| Add a visitor to the [`Schema`](#Schema) which will visit the `File`'s
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@ -1097,7 +1110,7 @@ simpler [`withSimpleModuleDefinitionVisitor`](#withSimpleModuleDefinitionVisitor
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-}
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withModuleDefinitionVisitor : (Node Module -> context -> ( List Error, context )) -> Schema anyType anything context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withModuleDefinitionVisitor visitor (Schema schema) =
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Schema { schema | moduleDefinitionVisitor = visitor }
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Schema { schema | moduleDefinitionVisitors = visitor :: schema.moduleDefinitionVisitors }
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{-| Add a visitor to the [`Schema`](#Schema) which will visit the `File`'s
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@ -1168,7 +1181,7 @@ simpler [`withSimpleImportVisitor`](#withSimpleImportVisitor) function.
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-}
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withImportVisitor : (Node Import -> context -> ( List Error, context )) -> Schema anyType anything context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withImportVisitor visitor (Schema schema) =
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Schema { schema | importVisitor = visitor }
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Schema { schema | importVisitors = visitor :: schema.importVisitors }
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{-| Add a visitor to the [`Schema`](#Schema) which will visit the `File`'s
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@ -1258,7 +1271,7 @@ simpler [`withSimpleDeclarationVisitor`](#withSimpleDeclarationVisitor) function
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-}
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withDeclarationVisitor : (Node Declaration -> Direction -> context -> ( List Error, context )) -> Schema anyType anything context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withDeclarationVisitor visitor (Schema schema) =
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Schema { schema | declarationVisitor = visitor }
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Schema { schema | declarationVisitors = visitor :: schema.declarationVisitors }
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{-| Add a visitor to the [`Schema`](#Schema) which will visit the `File`'s
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@ -1277,7 +1290,7 @@ and [withExpressionVisitor](#withExpressionVisitor). Otherwise, using
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-}
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withDeclarationListVisitor : (List (Node Declaration) -> context -> ( List Error, context )) -> Schema anyType anything context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withDeclarationListVisitor visitor (Schema schema) =
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Schema { schema | declarationListVisitor = visitor }
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Schema { schema | declarationListVisitors = visitor :: schema.declarationListVisitors }
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{-| Add a visitor to the [`Schema`](#Schema) which will visit the `File`'s
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@ -1361,7 +1374,7 @@ simpler [`withSimpleExpressionVisitor`](#withSimpleExpressionVisitor) function.
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-}
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withExpressionVisitor : (Node Expression -> Direction -> context -> ( List Error, context )) -> Schema anyType anything context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withExpressionVisitor visitor (Schema schema) =
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Schema { schema | expressionVisitor = visitor }
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Schema { schema | expressionVisitors = visitor :: schema.expressionVisitors }
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{-| Add a function that makes a final evaluation based only on the data that was
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@ -1410,14 +1423,14 @@ for [`withImportVisitor`](#withImportVisitor), but using [`withFinalEvaluation`]
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-}
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withFinalEvaluation : (context -> List Error) -> Schema anyType { hasAtLeastOneVisitor : () } context -> Schema anyType { hasAtLeastOneVisitor : () } context
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withFinalEvaluation visitor (Schema schema) =
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Schema { schema | finalEvaluationFn = visitor }
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Schema { schema | finalEvaluationFns = visitor :: schema.finalEvaluationFns }
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{-| TODO
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-}
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withFileKeyVisitor : (FileKey -> context -> context) -> Schema ForLookingAtSeveralFiles { hasNoVisitor : () } context -> Schema ForLookingAtSeveralFiles { hasNoVisitor : () } context
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withFileKeyVisitor visitor (Schema schema) =
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Schema { schema | fileKeyVisitor = Just visitor }
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Schema { schema | fileKeyVisitors = visitor :: schema.fileKeyVisitors }
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@ -1606,17 +1619,63 @@ errorFilePath (Error err) =
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-- TREE TRAVERSAL
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visitImport :
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List (Node Import -> context -> ( List Error, context ))
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-> Node Import
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-> context
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-> ( List Error, context )
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visitImport importVisitors node context =
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visitNodeWithListOfVisitors importVisitors node ( [], context )
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visitDeclaration :
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(Node Declaration -> Direction -> context -> ( List Error, context ))
|
||||
-> (Node Expression -> Direction -> context -> ( List Error, context ))
|
||||
List (Node Declaration -> Direction -> context -> ( List Error, context ))
|
||||
-> List (Node Expression -> Direction -> context -> ( List Error, context ))
|
||||
-> Node Declaration
|
||||
-> context
|
||||
-> ( List Error, context )
|
||||
visitDeclaration declarationVisitor expressionVisitor node context =
|
||||
context
|
||||
|> declarationVisitor node OnEnter
|
||||
|> accumulateList (visitExpression expressionVisitor) (expressionsInDeclaration node)
|
||||
|> accumulate (declarationVisitor node OnExit)
|
||||
visitDeclaration declarationVisitors expressionVisitors node context =
|
||||
( [], context )
|
||||
|> visitNodeWithListOfVisitorsAndDirection OnEnter declarationVisitors node
|
||||
|> accumulateList (visitExpression expressionVisitors) (expressionsInDeclaration node)
|
||||
|> visitNodeWithListOfVisitorsAndDirection OnExit declarationVisitors node
|
||||
|
||||
|
||||
visitNodeWithListOfVisitors :
|
||||
List (Node a -> context -> ( List Error, context ))
|
||||
-> Node a
|
||||
-> ( List Error, context )
|
||||
-> ( List Error, context )
|
||||
visitNodeWithListOfVisitors visitors node initialErrorsAndContext =
|
||||
List.foldl
|
||||
(\visitor -> accumulate (visitor node))
|
||||
initialErrorsAndContext
|
||||
visitors
|
||||
|
||||
|
||||
visitNodeWithListOfVisitorsAndDirection :
|
||||
Direction
|
||||
-> List (Node a -> Direction -> context -> ( List Error, context ))
|
||||
-> Node a
|
||||
-> ( List Error, context )
|
||||
-> ( List Error, context )
|
||||
visitNodeWithListOfVisitorsAndDirection direction visitors node initialErrorsAndContext =
|
||||
List.foldl
|
||||
(\visitor -> accumulate (visitor node direction))
|
||||
initialErrorsAndContext
|
||||
visitors
|
||||
|
||||
|
||||
accumulateWithListOfVisitors :
|
||||
List (a -> context -> ( List Error, context ))
|
||||
-> a
|
||||
-> ( List Error, context )
|
||||
-> ( List Error, context )
|
||||
accumulateWithListOfVisitors visitors element initialErrorsAndContext =
|
||||
List.foldl
|
||||
(\visitor -> accumulate (visitor element))
|
||||
initialErrorsAndContext
|
||||
visitors
|
||||
|
||||
|
||||
expressionsInDeclaration : Node Declaration -> List (Node Expression)
|
||||
@ -1641,12 +1700,16 @@ expressionsInDeclaration node =
|
||||
[]
|
||||
|
||||
|
||||
visitExpression : (Node Expression -> Direction -> context -> ( List Error, context )) -> Node Expression -> context -> ( List Error, context )
|
||||
visitExpression visitor node context =
|
||||
context
|
||||
|> visitor node OnEnter
|
||||
|> accumulateList (visitExpression visitor) (expressionChildren node)
|
||||
|> accumulate (visitor node OnExit)
|
||||
visitExpression : List (Node Expression -> Direction -> context -> ( List Error, context )) -> Node Expression -> context -> ( List Error, context )
|
||||
visitExpression visitors node context =
|
||||
( [], context )
|
||||
|> visitNodeWithListOfVisitorsAndDirection OnEnter visitors node
|
||||
|> accumulateList (visitExpression visitors) (expressionChildren node)
|
||||
|> visitNodeWithListOfVisitorsAndDirection OnExit visitors node
|
||||
|
||||
|
||||
|
||||
-- |> accumulate (visitor node OnExit)
|
||||
|
||||
|
||||
expressionChildren : Node Expression -> List (Node Expression)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user