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Added readJSON error messages

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Liyana
2020-11-10 16:57:33 +08:00
parent 7dc6717b5e
commit ac81b418d6
1 changed files with 16 additions and 3 deletions
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19
src/compiler/SimpleEditor/JSON.hs
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@@ -9,14 +9,24 @@ instance JSON Grammar where
showJSON (Grammar name extends abstract concretes) =
makeObj ["basename".=name, "extends".=extends,
"abstract".=abstract, "concretes".=concretes]
readJSON = error "Grammar.readJSON intentionally not defined"
instance JSON Abstract where
showJSON (Abstract startcat cats funs) =
makeObj ["startcat".=startcat, "cats".=cats, "funs".=funs]
readJSON = error "Abstract.readJSON intentionally not defined"
instance JSON Fun where showJSON (Fun name typ) = signature name typ
instance JSON Param where showJSON (Param name rhs) = definition name rhs
instance JSON Oper where showJSON (Oper name rhs) = definition name rhs
instance JSON Fun where
showJSON (Fun name typ) = signature name typ
readJSON = error "Fun.readJSON intentionally not defined"
instance JSON Param where
showJSON (Param name rhs) = definition name rhs
readJSON = error "Param.readJSON intentionally not defined"
instance JSON Oper where
showJSON (Oper name rhs) = definition name rhs
readJSON = error "Oper.readJSON intentionally not defined"
signature name typ = makeObj ["name".=name,"type".=typ]
definition name rhs = makeObj ["name".=name,"rhs".=rhs]
@@ -26,12 +36,15 @@ instance JSON Concrete where
makeObj ["langcode".=langcode, "opens".=opens,
"params".=params, "opers".=opers,
"lincats".=lincats, "lins".=lins]
readJSON = error "Concrete.readJSON intentionally not defined"
instance JSON Lincat where
showJSON (Lincat cat lintype) = makeObj ["cat".=cat, "type".=lintype]
readJSON = error "Lincat.readJSON intentionally not defined"
instance JSON Lin where
showJSON (Lin fun args lin) = makeObj ["fun".=fun, "args".=args, "lin".=lin]
readJSON = error "Lin.readJSON intentionally not defined"
infix 1 .=
name .= v = (name,showJSON v)