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Migrate from UnsafePointer<Void> to UnsafeRawPointer. (#3724)

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* Migrate from `UnsafePointer<Void>` to `UnsafeRawPointer`.

As proposed in SE-0107: UnsafeRawPointer.

`void*` imports as `UnsafeMutableRawPointer`.
`const void*` imports as `UnsafeRawPointer`.

Occurrences of `UnsafePointer<Void>` are replaced with UnsafeRawPointer.

* Migrate overlays from UnsafePointer<Void> to UnsafeRawPointer.

This requires explicit memory binding in several places,
particularly in NSData and CoreAudio.

* Fix a bunch of test cases for Void->Raw migration.

* qsort takes IUO values

* Bridge `Unsafe[Mutable]RawPointer as `void [const] *`.

* Parse #dsohandle as UnsafeMutableRawPointer

* Update a bunch of test cases for Void->Raw migration.

* Trivial fix for the SceneKit test case.

* Add an UnsafeRawPointer self initializer.

This is unfortunately necessary for assignment between types imported from C.

* Tiny simplification of the initializer.
This commit is contained in:
Andrew Trick
2016-07-26 02:18:21 -07:00
committed by GitHub
parent 3b03d45277
commit ece0951924
74 changed files with 339 additions and 307 deletions
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15
lib/AST/Module.cpp
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@@ -371,23 +371,16 @@ VarDecl *Module::getDSOHandle() {
if (DSOHandle)
return DSOHandle;
auto unsafeMutablePtr = getASTContext().getUnsafeMutablePointerDecl();
if (!unsafeMutablePtr)
auto unsafeMutableRawPtr = getASTContext().getUnsafeMutableRawPointerDecl();
if (!unsafeMutableRawPtr)
return nullptr;
Type arg;
auto &ctx = getASTContext();
if (auto voidDecl = ctx.getVoidDecl()) {
arg = voidDecl->getDeclaredInterfaceType();
} else {
arg = TupleType::getEmpty(ctx);
}
Type type = BoundGenericType::get(unsafeMutablePtr, Type(), { arg });
auto handleVar = new (ctx) VarDecl(/*IsStatic=*/false, /*IsLet=*/false,
SourceLoc(),
ctx.getIdentifier("__dso_handle"),
type, Files[0]);
unsafeMutableRawPtr->getDeclaredType(),
Files[0]);
handleVar->setImplicit(true);
handleVar->getAttrs().add(
new (ctx) SILGenNameAttr("__dso_handle", /*Implicit=*/true));