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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
package dotty.tools.dottydoc
package model
import comment._
import dotty.tools.dotc
import dotc.core.Types._
import dotc.core.TypeApplications._
import dotc.core.Flags
import dotc.core.Contexts.Context
import dotc.core.Symbols.Symbol
import dotty.tools.dotc.core.SymDenotations._
import dotty.tools.dotc.core.Names.TypeName
import dotc.core.{ Flags => DottyFlags }
import dotc.ast.Trees._
object factories {
import dotty.tools.dotc.ast.tpd._
import DottyFlags._
type TypeTree = dotty.tools.dotc.ast.Trees.Tree[Type]
def flags(t: Tree)(implicit ctx: Context): List[String] =
(t.symbol.flags & SourceModifierFlags)
.flagStrings.toList
.filter(_ != "<trait>")
.filter(_ != "interface")
def path(sym: Symbol)(implicit ctx: Context): List[String] = sym match {
case sym if sym.name.decode.toString == "<root>" => Nil
case sym if sym is Flags.Module => path(sym.owner) :+ sym.name.decode.toString.dropRight(1)
case sym => path(sym.owner) :+ sym.name.decode.toString
}
private val product = """Product[1-9][0-9]*""".r
private def cleanTitle(title: String): String = title match {
// matches Entity.this.Something
case x if x matches "[^\\[]+\\.this\\..+" => x.split("\\.").last
// Matches Entity[P, ...]
case x if x matches "[^\\[]+\\[[^\\]]+\\]" =>
val Array(tpe, params) = x.dropRight(1).split("\\[")
s"""$tpe[${params.split(",").map(x => cleanTitle(x.trim)).mkString(", ")}]"""
case _ => title
}
private def cleanQuery(query: String): String = query match {
case x if x matches "[^\\[]+\\[[^\\]]+\\]" => x.takeWhile(_ != '[')
case _ => query
}
def returnType(t: Type)(implicit ctx: Context): Reference = {
val defn = ctx.definitions
def typeRef(name: String, query: String = "", params: List[Reference] = Nil) = {
val realQuery = if (query != "") query else name
TypeReference(name, UnsetLink(name, realQuery), params)
}
def expandTpe(t: Type, params: List[Reference] = Nil): Reference = t match {
case tl: TypeLambda =>
//FIXME: should be handled correctly
// example, in `Option`:
//
// {{{
// def companion: GenericCompanion[collection.Iterable]
// }}}
//
// Becomes: def companion: [+X0] -> collection.Iterable[X0]
typeRef(tl.show + " (not handled)")
case AppliedType(tycon, args) =>
FunctionReference(args.init.map(expandTpe(_, Nil)), expandTpe(args.last))
case ref @ RefinedType(parent, rn, info) =>
expandTpe(parent) //FIXME: will be a refined HK, aka class Foo[X] { def bar: List[X] } or similar
case ref @ HKApply(tycon, args) =>
expandTpe(tycon, args.map(expandTpe(_, params)))
case TypeRef(_, n) =>
val name = n.decode.toString.split("\\$").last
typeRef(name, params = params)
case ta: TypeAlias =>
expandTpe(ta.alias.widenDealias)
case OrType(left, right) =>
OrTypeReference(expandTpe(left), expandTpe(right))
case AndType(left, right) =>
AndTypeReference(expandTpe(left), expandTpe(right))
case tb @ TypeBounds(lo, hi) =>
BoundsReference(expandTpe(lo), expandTpe(hi))
case AnnotatedType(tpe, _) =>
expandTpe(tpe)
case ExprType(tpe) =>
expandTpe(tpe)
case c: ConstantType =>
ConstantReference(c.show)
case tt: ThisType =>
expandTpe(tt.underlying)
case ci: ClassInfo =>
typeRef(ci.cls.show)
case mt: MethodType =>
expandTpe(mt.resultType)
case pt: PolyType =>
expandTpe(pt.resultType)
case pp: PolyParam =>
val paramName = pp.paramName.show
val name =
if (paramName.contains('$'))
paramName.split("\\$\\$").last
else paramName
typeRef(name)
}
expandTpe(t)
}
def typeParams(sym: Symbol)(implicit ctx: Context): List[String] =
sym.denot.info match {
case pt: PolyType =>
pt.paramNames.map(_.show.split("\\$").last)
case _ => Nil
}
def paramLists(tpe: Type)(implicit ctx: Context): List[List[NamedReference]] = tpe match {
case pt: PolyType =>
paramLists(pt.resultType)
case mt: MethodType =>
mt.paramNames.zip(mt.paramTypes).map { case (name, tpe) =>
NamedReference(
name.decode.toString,
returnType(tpe),
isByName = tpe.isInstanceOf[ExprType],
isRepeated = tpe.isRepeatedParam
)
} :: paramLists(mt.resultType)
case annot: AnnotatedType => paramLists(annot.tpe)
case (_: PolyParam | _: RefinedType | _: TypeRef | _: ThisType |
_: ExprType | _: OrType | _: AndType | _: HKApply) => Nil // return types should not be in the paramlist
}
def superTypes(t: Tree)(implicit ctx: Context): List[MaterializableLink] = t.symbol.denot match {
case cd: ClassDenotation =>
def isJavaLangObject(prefix: Type): Boolean =
prefix match {
case TypeRef(ThisType(TypeRef(NoPrefix, outerName)), innerName) =>
outerName.toString == "lang" && innerName.toString == "Object"
case _ => false
}
def isProductWithArity(prefix: Type): Boolean = prefix match {
case TypeRef(TermRef(TermRef(NoPrefix, root), scala), prod) =>
root.toString == "_root_" &&
scala.toString == "scala" &&
product.findFirstIn(prod.toString).isDefined
case _ => false
}
cd.classParents.collect {
case t: TypeRef if !isJavaLangObject(t) && !isProductWithArity(t) =>
UnsetLink(t.name.toString, path(t.symbol).mkString("."))
}
case _ => Nil
}
}
|
