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Add nullable support to JSON generators (#174)

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This commit is contained in:
Patrick Stevens
2024-06-27 08:40:58 +01:00
committed by GitHub
parent ba31689145
commit 6a81513a93
10 changed files with 200 additions and 115 deletions
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36
WoofWare.Myriad.Plugins/JsonParseGenerator.fs
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@@ -95,17 +95,6 @@ module internal JsonParseGenerator =
)
|> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ collectionType ; "ofSeq" ])
/// match {node} with | null -> None | v -> {body} |> Some
/// Use the variable `v` to get access to the `Some`.
let createParseLineOption (node : SynExpr) (body : SynExpr) : SynExpr =
let body = SynExpr.pipeThroughFunction (SynExpr.createIdent "Some") body
[
SynMatchClause.create SynPat.createNull (SynExpr.createIdent "None")
SynMatchClause.create (SynPat.named "v") body
]
|> SynExpr.createMatch node
let dotParse (typeName : LongIdent) : LongIdent =
List.append typeName [ Ident.create "Parse" ]
@@ -206,8 +195,29 @@ module internal JsonParseGenerator =
| NumberType typeName -> parseNumberType options propertyName node typeName
| PrimitiveType typeName -> asValueGetValueIdent propertyName typeName node
| OptionType ty ->
parseNode None options ty (SynExpr.createIdent "v")
|> createParseLineOption node
let someClause =
parseNode None options ty (SynExpr.createIdent "v")
|> SynExpr.pipeThroughFunction (SynExpr.createIdent "Some")
|> SynMatchClause.create (SynPat.named "v")
[
SynMatchClause.create SynPat.createNull (SynExpr.createIdent "None")
someClause
]
|> SynExpr.createMatch node
| NullableType ty ->
let someClause =
parseNode None options ty (SynExpr.createIdent "v")
|> SynExpr.pipeThroughFunction (SynExpr.createLongIdent [ "System" ; "Nullable" ])
|> SynMatchClause.create (SynPat.named "v")
[
SynMatchClause.create
SynPat.createNull
(SynExpr.applyFunction (SynExpr.createLongIdent [ "System" ; "Nullable" ]) (SynExpr.CreateConst ()))
someClause
]
|> SynExpr.createMatch node
| ListType ty ->
parseNode None options ty (SynExpr.createIdent "elt")
|> asArrayMapped propertyName "List" node