Rather than serializing the complete structure of all archetypes
(which is completely redundant), serialize a reference to their owning
generic environment as well as their interface type. The archetype
itself will be reconsituted by mapping the interface type into that
generic environment.
TypeBase::getMemberSubstitutions(const DeclContext *dc) collects type
substitution information when a decl context can be treated as part of the
type definition. However, we call it without checking whether the
part-of-whole relationship really holds. This patch checks the
pre-condition before calling it to fix a crash.
There was a ton of complicated logic here to work around
two problems:
- Same-type constraints were not represented properly in
RequirementReprs, requiring us to store them in strong form
and parse them out when printing type interfaces.
- The TypeBase::getAllGenericArgs() method did not do the
right thing for members of protocols and protocol extensions,
and so instead of simple calls to Type::subst(), we had
an elaborate 'ArchetypeTransformer' abstraction repeated
in two places.
Rewrite this code to use GenericSignatures and
GenericFunctionType instead of old-school GenericParamLists
and PolymorphicFunctionType.
This changes the code completion and AST printer output
slightly. A few of the changes are actually fixes for cases
where the old code didn't handle substitutions properly.
A few others are subjective, for example a generic parameter
list of the form <T : Proto> now prints as <T where T : Proto>.
We can add heuristics to make the output whatever we want
here; the important thing is that now we're using modern
abstractions.
Showing only the conforming associated types provides
little information to doc viewers. This patch digs the
underlying type of an associated type to report the
conformance info of those.
Even thought raw types are specified in inheritance clauses, their
members are not usable through an enum instance. Thus, there is no
point to synthesize their members.
This reverts commit f723b86614 and
updates the IDE tests that incidentally included some punctuation.
No new tests are necessary - the character level tests are exercised
in cmark itself.
Instead of using 'key.usr' and 'key.synthesizedusr', we start to use 'key.usr' and 'key.original-usr' so
that 'key.usr' is consistently being the unique ID for a code entity.
Also expose the printing function as a SwiftLangSupport static method.
Ideally we could move this into libIDE, but it currently depends on the
UIdent visitor to get decl-specific tag names and it's not obvious how
we should hoist/abstract that out in a nice way.
rdar://problem/24292226
rdar://problem/24292304
Adds an associatedtype keyword to the parser tokens, and accepts either
typealias or associatedtype to create an AssociatedTypeDecl, warning
that the former is deprecated. The ASTPrinter now emits associatedtype
for AssociatedTypeDecls.
Separated AssociatedType from TypeAlias as two different kinds of
CodeCompletionDeclKinds. This part probably doesn’t turn out to be
absolutely necessary currently, but it is nice cleanup from formerly
specifically glomming the two together.
And then many, many changes to tests. The actual new tests for the fixits
is at the end of Generics/associated_types.swift.
The code goes into its own sub-tree under 'tools' but tests go under 'test',
so that running 'check-swift' will also run all the SourceKit tests.
SourceKit is disabled on non-darwin platforms.
