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[Function builders] Make sure we contextualize closures with builders applied.

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We used to get this contextualization "for free" because closures that
had function builders applied to them would get translated into
single-expression closures. Now, we need to check for this explicitly.
This commit is contained in:
Doug Gregor
2020-01-16 11:05:49 -08:00
parent a49f0091cb
commit 9853926cb2
4 changed files with 30 additions and 9 deletions
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10
test/Constraints/function_builder.swift
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@@ -352,14 +352,20 @@ func acceptComponentBuilder(@ComponentBuilder _ body: () -> Component) {
print(body())
}
func colorWithAutoClosure(_ color: @autoclosure () -> Color) -> Color {
return color()
}
var trueValue = true
acceptComponentBuilder {
"hello"
if true {
if trueValue {
3.14159
colorWithAutoClosure(.red)
}
.red
}
// CHECK: array([main.Component.string("hello"), main.Component.optional(Optional(main.Component.array([main.Component.floating(3.14159)]))), main.Component.color(main.Color.red)])
// CHECK: array([main.Component.string("hello"), main.Component.optional(Optional(main.Component.array([main.Component.floating(3.14159), main.Component.color(main.Color.red)]))), main.Component.color(main.Color.red)])
// rdar://53325810