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[Serialization] Serialize internal closure labels
Since 865e80f we are keeping track of internal closure labels in the closure’s type. With this change, wer are also serializing them to the swiftmodules. Furthermore, this change adjusts the printing behaviour to print the parameter labels in the swiftinterfaces. Resolves rdar://63633158
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10 files changed

+130
-18
lines changed

10 files changed

+130
-18
lines changed

‎include/swift/AST/PrintOptions.h‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -510,6 +510,7 @@ struct PrintOptions {
510510
result.PrintDocumentationComments = true;
511511
result.PrintRegularClangComments = true;
512512
result.PrintLongAttrsOnSeparateLines = true;
513+
result.AlwaysTryPrintParameterLabels = true;
513514
return result;
514515
}
515516

@@ -655,6 +656,7 @@ struct PrintOptions {
655656
PO.ShouldQualifyNestedDeclarations = QualifyNestedDeclarations::TypesOnly;
656657
PO.PrintParameterSpecifiers = true;
657658
PO.SkipImplicit = true;
659+
PO.AlwaysTryPrintParameterLabels = true;
658660
return PO;
659661
}
660662
};

‎lib/AST/ASTPrinter.cpp‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -135,6 +135,7 @@ PrintOptions PrintOptions::printSwiftInterfaceFile(ModuleDecl *ModuleToPrint,
135135
if (printFullConvention)
136136
result.PrintFunctionRepresentationAttrs =
137137
PrintOptions::FunctionRepresentationMode::Full;
138+
result.AlwaysTryPrintParameterLabels = true;
138139
result.PrintSPIs = printSPIs;
139140

140141
// We should print __consuming, __owned, etc for the module interface file.

‎lib/Serialization/Deserialization.cpp‎

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -5250,12 +5250,13 @@ class TypeDeserializer {
52505250
break;
52515251

52525252
IdentifierID labelID;
5253+
IdentifierID internalLabelID;
52535254
TypeID typeID;
52545255
bool isVariadic, isAutoClosure, isNonEphemeral, isNoDerivative;
52555256
unsigned rawOwnership;
52565257
decls_block::FunctionParamLayout::readRecord(
5257-
scratch, labelID, typeID, isVariadic, isAutoClosure, isNonEphemeral,
5258-
rawOwnership, isNoDerivative);
5258+
scratch, labelID, internalLabelID, typeID, isVariadic, isAutoClosure,
5259+
isNonEphemeral, rawOwnership, isNoDerivative);
52595260

52605261
auto ownership =
52615262
getActualValueOwnership((serialization::ValueOwnership)rawOwnership);
@@ -5269,7 +5270,8 @@ class TypeDeserializer {
52695270
params.emplace_back(paramTy.get(), MF.getIdentifier(labelID),
52705271
ParameterTypeFlags(isVariadic, isAutoClosure,
52715272
isNonEphemeral, *ownership,
5272-
isNoDerivative));
5273+
isNoDerivative),
5274+
MF.getIdentifier(internalLabelID));
52735275
}
52745276

52755277
if (!isGeneric) {

‎lib/Serialization/ModuleFormat.h‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -56,7 +56,7 @@ const uint16_t SWIFTMODULE_VERSION_MAJOR = 0;
5656
/// describe what change you made. The content of this comment isn't important;
5757
/// it just ensures a conflict if two people change the module format.
5858
/// Don't worry about adhering to the 80-column limit for this line.
59-
const uint16_t SWIFTMODULE_VERSION_MINOR = 607; // async / throws property decls
59+
const uint16_t SWIFTMODULE_VERSION_MINOR = 608; // internal parameter labels
6060

6161
/// A standard hash seed used for all string hashes in a serialized module.
6262
///
@@ -1007,6 +1007,7 @@ namespace decls_block {
10071007
using FunctionParamLayout = BCRecordLayout<
10081008
FUNCTION_PARAM,
10091009
IdentifierIDField, // name
1010+
IdentifierIDField, // internal label
10101011
TypeIDField, // type
10111012
BCFixed<1>, // vararg?
10121013
BCFixed<1>, // autoclosure?

‎lib/Serialization/Serialization.cpp‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -4345,6 +4345,7 @@ class Serializer::TypeSerializer : public TypeVisitor<TypeSerializer> {
43454345
FunctionParamLayout::emitRecord(
43464346
S.Out, S.ScratchRecord, abbrCode,
43474347
S.addDeclBaseNameRef(param.getLabel()),
4348+
S.addDeclBaseNameRef(param.getInternalLabel()),
43484349
S.addTypeRef(param.getPlainType()), paramFlags.isVariadic(),
43494350
paramFlags.isAutoClosure(), paramFlags.isNonEphemeral(), rawOwnership,
43504351
paramFlags.isNoDerivative());

‎test/IDE/complete_from_stdlib.swift‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -89,7 +89,7 @@ func testArchetypeReplacement2<BAR : Equatable>(_ a: [BAR]) {
8989
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super/IsSystem: min({#by: (Equatable, Equatable) throws -> Bool##(Equatable, Equatable) throws -> Bool#})[' rethrows'][#Equatable?#]{{; name=.+}}
9090
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super/IsSystem: max({#by: (Equatable, Equatable) throws -> Bool##(Equatable, Equatable) throws -> Bool#})[' rethrows'][#Equatable?#]{{; name=.+}}
9191
// FIXME: The following should include 'partialResult' as local parameter name: "(nextPartialResult): (_ partialResult: Result, Equatable)"
92-
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super/IsSystem: reduce({#(initialResult): Result#}, {#(nextPartialResult): (Result, Equatable) throws -> Result##(Result, Equatable) throws -> Result#})[' rethrows'][#Result#]{{; name=.+}}
92+
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super/IsSystem: reduce({#(initialResult): Result#}, {#(nextPartialResult): (Result, Equatable) throws -> Result##(_ partialResult: Result, Equatable) throws -> Result#})[' rethrows'][#Result#]{{; name=.+}}
9393
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super/IsSystem: dropFirst({#(k): Int#})[#ArraySlice<Equatable>#]{{; name=.+}}
9494
// FIXME: restore Decl[InstanceMethod]/Super: flatMap({#(transform): (Equatable) throws -> Sequence##(Equatable) throws -> Sequence#})[' rethrows'][#[IteratorProtocol.Element]#]{{; name=.+}}
9595

‎test/IDE/print_ast_tc_decls.swift‎

Lines changed: 10 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -12,7 +12,7 @@
1212
//
1313
// RUN: %target-swift-ide-test(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -swift-version 4 -skip-deinit=false -print-ast-typechecked -source-filename %s -F %S/Inputs/mock-sdk -function-definitions=false -prefer-type-repr=false -print-implicit-attrs=true -enable-objc-interop -disable-objc-attr-requires-foundation-module > %t.printed.txt
1414
// RUN: %FileCheck %s -check-prefix=PASS_COMMON -strict-whitespace < %t.printed.txt
15-
// RUN: %FileCheck %s -check-prefix=PASS_PRINT_AST -strict-whitespace < %t.printed.txt
15+
// RUN: %FileCheck %s -check-prefixes=PASS_PRINT_AST,PASS_PRINT_AST_TYPE -strict-whitespace < %t.printed.txt
1616
// RUN: %FileCheck %s -check-prefix=PASS_RW_PROP_GET_SET -strict-whitespace < %t.printed.txt
1717
// RUN: %FileCheck %s -check-prefix=PASS_2200 -strict-whitespace < %t.printed.txt
1818
// RUN: %FileCheck %s -check-prefix=PASS_2500 -strict-whitespace < %t.printed.txt
@@ -23,7 +23,7 @@
2323
//
2424
// RUN: %target-swift-ide-test(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -swift-version 4 -skip-deinit=false -print-ast-typechecked -source-filename %s -F %S/Inputs/mock-sdk -function-definitions=false -prefer-type-repr=true -print-implicit-attrs=true -enable-objc-interop -disable-objc-attr-requires-foundation-module > %t.printed.txt
2525
// RUN: %FileCheck %s -check-prefix=PASS_COMMON -strict-whitespace < %t.printed.txt
26-
// RUN: %FileCheck %s -check-prefix=PASS_PRINT_AST -strict-whitespace < %t.printed.txt
26+
// RUN: %FileCheck %s -check-prefixes=PASS_PRINT_AST,PASS_PRINT_AST_TYPEREPR -strict-whitespace < %t.printed.txt
2727
// RUN: %FileCheck %s -check-prefix=PASS_RW_PROP_GET_SET -strict-whitespace < %t.printed.txt
2828
// RUN: %FileCheck %s -check-prefix=PASS_2200 -strict-whitespace < %t.printed.txt
2929
// RUN: %FileCheck %s -check-prefix=PASS_2500 -strict-whitespace < %t.printed.txt
@@ -1343,9 +1343,16 @@ public func ParamAttrs5(a : (@escaping () -> ()) -> ()) {
13431343
// PASS_PRINT_AST: public typealias ParamAttrs6 = (@autoclosure () -> ()) -> ()
13441344
public typealias ParamAttrs6 = (@autoclosure () -> ()) -> ()
13451345

1346-
// PASS_PRINT_AST: public var ParamAttrs7: (@escaping () -> ()) -> ()
1346+
// The following type only has the internal paramter name inferred from the
1347+
// closure on the right-hand side of `=`. Thus, it is only part of the `Type`
1348+
// and not part of the `TypeRepr`.
1349+
// PASS_PRINT_AST_TYPE: public var ParamAttrs7: (_ f: @escaping () -> ()) -> ()
1350+
// PASS_PRINT_AST_TYPEREPR: public var ParamAttrs7: (@escaping () -> ()) -> ()
13471351
public var ParamAttrs7: (@escaping () -> ()) -> () = { f in f() }
13481352

1353+
// PASS_PRINT_AST: public var ParamAttrs8: (_ f: @escaping () -> ()) -> ()
1354+
public var ParamAttrs8: (_ f: @escaping () -> ()) -> () = { f in f() }
1355+
13491356
// Setter
13501357
// PASS_PRINT_AST: class FooClassComputed {
13511358
class FooClassComputed {

‎test/IDE/print_types.swift‎

Lines changed: 10 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -9,8 +9,8 @@ typealias MyInt = Int
99
// FULL: TypeAliasDecl '''MyInt''' swift_ide_test.MyInt.Type{{$}}
1010

1111
func testVariableTypes(_ param: Int, param2: inout Double) {
12-
// CHECK: FuncDecl '''testVariableTypes''' (Int, inout Double) -> (){{$}}
13-
// FULL: FuncDecl '''testVariableTypes''' (Swift.Int, inout Swift.Double) -> (){{$}}
12+
// CHECK: FuncDecl '''testVariableTypes''' (_ param: Int, param2: inout Double) -> (){{$}}
13+
// FULL: FuncDecl '''testVariableTypes''' (_ param: Swift.Int, param2: inout Swift.Double) -> (){{$}}
1414

1515
var a1 = 42
1616
// CHECK: VarDecl '''a1''' Int{{$}}
@@ -92,16 +92,16 @@ func testFuncType6() -> (Int, Int) {}
9292
// FULL: FuncDecl '''testFuncType6''' () -> (Swift.Int, Swift.Int){{$}}
9393

9494
func testFuncType7(_ a: Int, withFloat b: Float) {}
95-
// CHECK: FuncDecl '''testFuncType7''' (Int, Float) -> (){{$}}
96-
// FULL: FuncDecl '''testFuncType7''' (Swift.Int, Swift.Float) -> (){{$}}
95+
// CHECK: FuncDecl '''testFuncType7''' (_ a: Int, withFloat: Float) -> (){{$}}
96+
// FULL: FuncDecl '''testFuncType7''' (_ a: Swift.Int, withFloat: Swift.Float) -> (){{$}}
9797

9898
func testVariadicFuncType(_ a: Int, b: Float...) {}
99-
// CHECK: FuncDecl '''testVariadicFuncType''' (Int, Float...) -> (){{$}}
100-
// FULL: FuncDecl '''testVariadicFuncType''' (Swift.Int, Swift.Float...) -> (){{$}}
99+
// CHECK: FuncDecl '''testVariadicFuncType''' (_ a: Int, b: Float...) -> (){{$}}
100+
// FULL: FuncDecl '''testVariadicFuncType''' (_ a: Swift.Int, b: Swift.Float...) -> (){{$}}
101101

102102
func testCurriedFuncType1(_ a: Int) -> (_ b: Float) -> () {}
103-
// CHECK: FuncDecl '''testCurriedFuncType1''' (Int) -> (Float) -> (){{$}}
104-
// FULL: FuncDecl '''testCurriedFuncType1''' (Swift.Int) -> (Swift.Float) -> (){{$}}
103+
// CHECK: FuncDecl '''testCurriedFuncType1''' (_ a: Int) -> (_ b: Float) -> (){{$}}
104+
// FULL: FuncDecl '''testCurriedFuncType1''' (_ a: Swift.Int) -> (_ b: Swift.Float) -> (){{$}}
105105

106106
protocol FooProtocol {}
107107
protocol BarProtocol {}
@@ -110,8 +110,8 @@ protocol QuxProtocol { associatedtype Qux }
110110
struct GenericStruct<A, B : FooProtocol> {}
111111

112112
func testInGenericFunc1<A, B : FooProtocol, C : FooProtocol & BarProtocol>(_ a: A, b: B, c: C) {
113-
// CHECK: FuncDecl '''testInGenericFunc1''' <A, B, C where B : FooProtocol, C : BarProtocol, C : FooProtocol> (A, b: B, c: C) -> (){{$}}
114-
// FULL: FuncDecl '''testInGenericFunc1''' <A, B, C where B : swift_ide_test.FooProtocol, C : swift_ide_test.BarProtocol, C : swift_ide_test.FooProtocol> (A, b: B, c: C) -> (){{$}}
113+
// CHECK: FuncDecl '''testInGenericFunc1''' <A, B, C where B : FooProtocol, C : BarProtocol, C : FooProtocol> (_ a: A, b: B, c: C) -> (){{$}}
114+
// FULL: FuncDecl '''testInGenericFunc1''' <A, B, C where B : swift_ide_test.FooProtocol, C : swift_ide_test.BarProtocol, C : swift_ide_test.FooProtocol> (_ a: A, b: B, c: C) -> (){{$}}
115115

116116
var a1 = a
117117
_ = a1; a1 = a

‎test/SourceKit/DocSupport/doc_internal_closure_label.swift‎

Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,18 @@
1+
// RUN: %empty-directory(%t)
2+
// RUN: %empty-directory(%t.module-cache)
3+
//
4+
// RUN: %target-swift-frontend -typecheck -emit-module-interface-path %t/label.swiftinterface -enable-library-evolution -module-cache-path %t.module-cache %s
5+
// RUN: %FileCheck --check-prefix=SWIFT_INTERFACE %s < %t/label.swiftinterface
6+
// RUN: %sourcekitd-test -req=doc-info -module label -- -I %t -target %target-triple -module-cache-path %t.module-cache > %t.response
7+
// RUN: %diff -u %s.response %t.response
8+
//
9+
// RUN: %empty-directory(%t)
10+
// RUN: %empty-directory(%t.module-cache)
11+
// RUN: %target-swift-frontend -emit-module %s -module-name label -emit-module-path %t/label.swiftmodule -module-cache-path %t.module-cache
12+
// RUN: %sourcekitd-test -req=doc-info -module label -- -I %t -target %target-triple -module-cache-path %t.module-cache> %t.response
13+
// RUN: %diff -u %s.response %t.response
14+
15+
public func foo(_ callback: (_ myInternalParam: Int) -> Void) {}
16+
17+
// SWIFT_INTERFACE: import Swift
18+
// SWIFT_INTERFACE: public func foo(_ callback: (_ myInternalParam: Swift.Int) -> Swift.Void)

‎test/SourceKit/DocSupport/doc_internal_closure_label.swift.response‎

Lines changed: 80 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,80 @@
1+
import SwiftOnoneSupport
2+
3+
func foo(_ callback: (_ myInternalParam: Int) -> Void)
4+
5+
6+
[
7+
{
8+
key.kind: source.lang.swift.syntaxtype.keyword,
9+
key.offset: 0,
10+
key.length: 6
11+
},
12+
{
13+
key.kind: source.lang.swift.syntaxtype.identifier,
14+
key.offset: 7,
15+
key.length: 17
16+
},
17+
{
18+
key.kind: source.lang.swift.syntaxtype.keyword,
19+
key.offset: 26,
20+
key.length: 4
21+
},
22+
{
23+
key.kind: source.lang.swift.syntaxtype.identifier,
24+
key.offset: 31,
25+
key.length: 3
26+
},
27+
{
28+
key.kind: source.lang.swift.syntaxtype.argument,
29+
key.offset: 35,
30+
key.length: 1
31+
},
32+
{
33+
key.kind: source.lang.swift.syntaxtype.parameter,
34+
key.offset: 37,
35+
key.length: 8
36+
},
37+
{
38+
key.kind: source.lang.swift.syntaxtype.keyword,
39+
key.offset: 48,
40+
key.length: 1
41+
},
42+
{
43+
key.kind: source.lang.swift.syntaxtype.identifier,
44+
key.offset: 50,
45+
key.length: 15
46+
},
47+
{
48+
key.kind: source.lang.swift.ref.struct,
49+
key.name: "Int",
50+
key.usr: "s:Si",
51+
key.offset: 67,
52+
key.length: 3
53+
},
54+
{
55+
key.kind: source.lang.swift.ref.typealias,
56+
key.name: "Void",
57+
key.usr: "s:s4Voida",
58+
key.offset: 75,
59+
key.length: 4
60+
}
61+
]
62+
[
63+
{
64+
key.kind: source.lang.swift.decl.function.free,
65+
key.name: "foo(_:)",
66+
key.usr: "s:5label3fooyyySiXEF",
67+
key.offset: 26,
68+
key.length: 54,
69+
key.fully_annotated_decl: "<decl.function.free><syntaxtype.keyword>func</syntaxtype.keyword> <decl.name>foo</decl.name>(<decl.var.parameter><decl.var.parameter.argument_label>_</decl.var.parameter.argument_label> <decl.var.parameter.name>callback</decl.var.parameter.name>: <decl.var.parameter.type>(<decl.var.parameter>_ <decl.var.parameter.name>myInternalParam</decl.var.parameter.name>: <decl.var.parameter.type><ref.struct usr=\"s:Si\">Int</ref.struct></decl.var.parameter.type></decl.var.parameter>) -&gt; <decl.function.returntype><ref.typealias usr=\"s:s4Voida\">Void</ref.typealias></decl.function.returntype></decl.var.parameter.type></decl.var.parameter>)</decl.function.free>",
70+
key.entities: [
71+
{
72+
key.kind: source.lang.swift.decl.var.local,
73+
key.keyword: "_",
74+
key.name: "callback",
75+
key.offset: 47,
76+
key.length: 32
77+
}
78+
]
79+
}
80+
]

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