forked from Mirror/wren
58e4d26648
Get rid of the separate opt-in IO class and replace it with a core System class. - Remove wren_io.c, wren_io.h, and io.wren. - Remove the flags that disable it. - Remove the overloads for print() with different arity. (It was an experiment, but I don't think it's that useful.) - Remove IO.read(). That will reappear using libuv in the CLI at some point. - Remove IO.time. Doesn't seem to have been used. - Update all of the tests, docs, etc. I'm sorry for all the breakage this causes, but I think "System" is a better name for this class (it makes it natural to add things like "System.gc()") and frees up "IO" for referring to the CLI's IO module.
79 lines
1.5 KiB
Plaintext
79 lines
1.5 KiB
Plaintext
class Api {
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foreign static gc()
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foreign static finalized
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}
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// Class with a default constructor.
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foreign class Counter {
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construct new() {}
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foreign increment(amount)
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foreign value
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}
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var counter = Counter.new()
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System.print(counter.value) // expect: 0
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counter.increment(3.1)
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System.print(counter.value) // expect: 3.1
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counter.increment(1.2)
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System.print(counter.value) // expect: 4.3
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// Foreign classes can inherit a class as long as it has no fields.
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class PointBase {
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inherited() {
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System.print("inherited method")
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}
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}
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// Class with non-default constructor.
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foreign class Point is PointBase {
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construct new() {
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System.print("default")
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}
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construct new(x, y, z) {
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System.print(x.toString + ", " + y.toString + ", " + z.toString)
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}
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foreign translate(x, y, z)
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foreign toString
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}
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var p = Point.new(1, 2, 3) // expect: 1, 2, 3
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System.print(p) // expect: (1, 2, 3)
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p.translate(3, 4, 5)
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System.print(p) // expect: (4, 6, 8)
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p = Point.new() // expect: default
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System.print(p) // expect: (0, 0, 0)
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p.inherited() // expect: inherited method
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var error = Fiber.new {
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class Subclass is Point {}
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}.try()
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System.print(error) // expect: Class 'Subclass' cannot inherit from foreign class 'Point'.
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// Class with a finalizer.
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foreign class Resource {
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construct new() {}
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}
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var resources = [
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Resource.new(),
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Resource.new(),
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Resource.new()
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]
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Api.gc()
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System.print(Api.finalized) // expect: 0
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resources.removeAt(-1)
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Api.gc()
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System.print(Api.finalized) // expect: 1
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resources.clear()
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Api.gc()
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System.print(Api.finalized) // expect: 3
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