blob: 0474931e50e52a7cb4fd2665e218b3764e41678f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
-- generated file, do not modify!
-- {{ dateTime }}
module {{ moduleName }} where
import Prelude
import Data.Generic
import Data.Maybe (Maybe(..))
import Data.StrMap (StrMap(..))
import Data.Map (Map(..))
import Data.List (List(..))
import Linear
import Data.Argonaut.Combinators ((~>), (:=), (.?))
import Data.Argonaut.Core (jsonEmptyObject)
import Data.Argonaut.Printer (printJson)
import Data.Argonaut.Encode (EncodeJson, encodeJson)
import Data.Argonaut.Decode (DecodeJson, decodeJson)
{% for m in imports %}
import {{ m.value }}
{% endfor %}
{% for t in dataAndType %}
{% case t.value | constType %}
{% when "DataDef" %}
data {{ t.value.dataName }}{% for c in t.value.constructors %}
{% if c.value.fields | hasFieldNames %}
{% if c.first %}={% else %}|{% endif %} {{ c.value.name }}
{% for f in c.value.fields %}{% if f.first %} { {%else%} , {%endif%}{{ f.value.fieldName }} :: {{ f.value.fieldType | psType }}
{% endfor %}
}
{% else %}
{% if c.first %}={% else %}|{% endif %} {{ c.value.name }}{% for f in c.value.fields %} {{ f.value.fieldType | psType | parens }}{% endfor %}{% endif %}{% endfor %}
{% when "TypeAlias" %}
type {{ t.value.aliasName }} = {{ t.value.aliasType | psType }}
{% endcase %}
{% endfor %}
{% for t in definitions %}{% let l = t.value.instances | length %}{% if l > 0 %}{# FIXME!!! #}
derive instance generic{{ t.value.dataName }} :: Generic {{ t.value.dataName }}
instance show{{ t.value.dataName }} :: Show {{ t.value.dataName }} where show = gShow
instance eq{{ t.value.dataName }} :: Eq {{ t.value.dataName }} where eq = gEq
{% endif %}{% endlet %}{% endfor %}
{# JSON Encode and Decode #}
{% for t in definitions %}
instance encodeJson{{ t.value.dataName }} :: EncodeJson {{ t.value.dataName }} where
encodeJson v = case v of{% for c in t.value.constructors %}{% if c.value.fields | hasFieldNames %}
{{ c.value.name }} r ->
"tag" := "{{ c.value.name }}" ~>{% for f in c.value.fields %}
"{{ f.value.fieldName }}" := r.{{ f.value.fieldName }} ~>{% endfor %}
jsonEmptyObject{% else %}
{{ c.value.name }}{% for f in c.value.fields %} arg{{ f.index0 }}{% endfor %} -> "tag" := "{{ c.value.name }}"{% for f in c.value.fields %} ~> "arg{{ f.index0 }}" := arg{{ f.index0 }}{% endfor %} ~> jsonEmptyObject{% endif %}{% endfor %}
instance decodeJson{{ t.value.dataName }} :: DecodeJson {{ t.value.dataName }} where
decodeJson json = do
obj <- decodeJson json
tag <- obj .? "tag"
case tag of{% for c in t.value.constructors %}{% if c.value.fields | hasFieldNames %}
"{{ c.value.name }}" -> do{% for f in c.value.fields %}
{{ f.value.fieldName }} <- obj .? "{{ f.value.fieldName }}"{% endfor %}
pure $ {{ c.value.name }}{% for f in c.value.fields %}
{% if f.first %}{ {% else %}, {%endif%}{{ f.value.fieldName }}:{{ f.value.fieldName }}{% endfor %}
} {% else %}
"{{ c.value.name }}" -> {% for f in c.value.fields %}{% if f.first %}{{ c.value.name }} <$>{% else %} <*>{% endif %} obj .? "arg{{ f.index0 }}"{%else%}pure {{ c.value.name }}{% endfor %}{% endif %}{% endfor %}
{% endfor %}
|
