[SourceKit] Expose ExpectedTypeRelation for the completion results

So that clients can sort the results using this.

rdar://problem/59066560

Author: rintaro

test/SourceKit/CodeComplete/complete_constructor.swift.response

@@ -7,6 +7,7 @@
       key.description: "(arg1: Int, arg2: Int)",
       key.typename: "Foo",
       key.context: source.codecompletion.context.thisclass,
+      key.typerelation: source.codecompletion.typerelation.unrelated,
       key.num_bytes_to_erase: 0,
       key.associated_usrs: "s:20complete_constructor3FooC4arg14arg2ACSi_Sitcfc",
       key.modulename: "complete_constructor"

test/SourceKit/CodeComplete/complete_docbrief_1.swift

@@ -35,6 +35,7 @@ func test() {
 // CHECK-NEXT:       key.typename: "Void",
 // CHECK-NEXT:       key.doc.brief: "This is a doc comment of P.bar",
 // CHECK-NEXT:       key.context: source.codecompletion.context.superclass,
+// CHECK-NEXT:       key.typerelation: source.codecompletion.typerelation.unrelated,
 // CHECK-NEXT:       key.num_bytes_to_erase: 0,
 // CHECK-NEXT:       key.associated_usrs: "s:12DocBriefTest1PPAAE3baryyF",
 // CHECK-NEXT:       key.modulename: "DocBriefTest"
@@ -47,6 +48,7 @@ func test() {
 // CHECK-NEXT:       key.typename: "Void",
 // CHECK-NEXT:       key.doc.brief: "This is a doc comment of P.foo",
 // CHECK-NEXT:       key.context: source.codecompletion.context.thisclass,
+// CHECK-NEXT:       key.typerelation: source.codecompletion.typerelation.unrelated,
 // CHECK-NEXT:       key.num_bytes_to_erase: 0,
 // CHECK-NEXT:       key.associated_usrs: "s:12DocBriefTest1SV3fooyyF s:12DocBriefTest1PP3fooyyF",
 // CHECK-NEXT:       key.modulename: "DocBriefTest"

test/SourceKit/CodeComplete/complete_docbrief_2.swift

@@ -39,6 +39,7 @@ func test() {
 // CHECK-NEXT:       key.typename: "Void",
 // CHECK-NEXT:       key.doc.brief: "This is a doc comment of P.foo",
 // CHECK-NEXT:       key.context: source.codecompletion.context.thisclass,
+// CHECK-NEXT:       key.typerelation: source.codecompletion.typerelation.unrelated,
 // CHECK-NEXT:       key.num_bytes_to_erase: 0,
 // CHECK-NEXT:       key.associated_usrs: "s:12DocBriefUser1SV3fooyyF s:12DocBriefTest1PP3fooyyF",
 // CHECK-NEXT:       key.modulename: "DocBriefUser"

test/SourceKit/CodeComplete/complete_docbrief_3.swift

@@ -40,6 +40,7 @@ func test() {
 // CHECK-NEXT:       key.typename: "Void",
 // CHECK-NEXT:       key.doc.brief: "This is a doc comment of P.foo",
 // CHECK-NEXT:       key.context: source.codecompletion.context.thisclass,
+// CHECK-NEXT:       key.typerelation: source.codecompletion.typerelation.unrelated,
 // CHECK-NEXT:       key.num_bytes_to_erase: 0,
 // CHECK-NEXT:       key.associated_usrs: "s:12DocBriefTest1SV3fooyyF s:12DocBriefTest1PP3fooyyF",
 // CHECK-NEXT:       key.modulename: "DocBriefTest"

test/SourceKit/CodeComplete/complete_from_clang_module.swift

@@ -9,6 +9,7 @@ import Foo
 // CHECK-NEXT:       key.typename: "Int32",
 // CHECK-NEXT:       key.doc.brief: "Aaa.  fooIntVar.  Bbb.",
 // CHECK-NEXT:       key.context: source.codecompletion.context.othermodule,
+// CHECK-NEXT:       key.typerelation: source.codecompletion.typerelation.unrelated,
 // CHECK-NEXT:       key.num_bytes_to_erase: 0,
 // CHECK-NEXT:       key.associated_usrs: "c:@fooIntVar",
 // CHECK-NEXT:       key.modulename: "Foo"

test/SourceKit/CodeComplete/complete_member.swift

@@ -51,6 +51,7 @@ func testOverrideUSR() {
 // CHECK-OPTIONAL-NEXT:       key.description: "fooInstanceFunc1(a: Int)",
 // CHECK-OPTIONAL-NEXT:       key.typename: "Double",
 // CHECK-OPTIONAL-NEXT:       key.context: source.codecompletion.context.thisclass,
+// CHECK-OPTIONAL-NEXT:       key.typerelation: source.codecompletion.typerelation.unrelated,
 // CHECK-OPTIONAL-NEXT:       key.num_bytes_to_erase: 1,
 // CHECK-OPTIONAL-NEXT:       key.associated_usrs: "s:15complete_member11FooProtocolP16fooInstanceFunc1ySdSiF",
 // CHECK-OPTIONAL-NEXT:       key.modulename: "complete_member"
@@ -72,6 +73,7 @@ func testOverrideUSR() {
 // CHECK-OVERRIDE_USR-NEXT:     key.description: "foo()",
 // CHECK-OVERRIDE_USR-NEXT:     key.typename: "Void",
 // CHECK-OVERRIDE_USR-NEXT:     key.context: source.codecompletion.context.thisclass,
+// CHECK-OVERRIDE_USR-NEXT:     key.typerelation: source.codecompletion.typerelation.unrelated,
 // CHECK-OVERRIDE_USR-NEXT:     key.num_bytes_to_erase: 0,
 // CHECK-OVERRIDE_USR-NEXT:     key.associated_usrs: "s:15complete_member7DerivedC3fooyyF s:15complete_member4BaseC3fooyyF",
 // CHECK-OVERRIDE_USR-NEXT:     key.modulename: "complete_member"

test/SourceKit/CodeComplete/complete_member.swift.response

@@ -7,6 +7,7 @@
       key.description: "fooInstanceFunc0()",
       key.typename: "Double",
       key.context: source.codecompletion.context.thisclass,
+      key.typerelation: source.codecompletion.typerelation.unrelated,
       key.num_bytes_to_erase: 0,
       key.associated_usrs: "s:15complete_member11FooProtocolP16fooInstanceFunc0SdyF",
       key.modulename: "complete_member"
@@ -18,6 +19,7 @@
       key.description: "fooInstanceFunc1(a: Int)",
       key.typename: "Double",
       key.context: source.codecompletion.context.thisclass,
+      key.typerelation: source.codecompletion.typerelation.unrelated,
       key.num_bytes_to_erase: 0,
       key.associated_usrs: "s:15complete_member11FooProtocolP16fooInstanceFunc1ySdSiF",
       key.modulename: "complete_member"
@@ -30,6 +32,7 @@
       key.typename: "Int",
       key.doc.brief: "fooInstanceVar Aaa. Bbb.",
       key.context: source.codecompletion.context.thisclass,
+      key.typerelation: source.codecompletion.typerelation.unrelated,
       key.num_bytes_to_erase: 0,
       key.associated_usrs: "s:15complete_member11FooProtocolP14fooInstanceVarSivp",
       key.modulename: "complete_member"
@@ -41,6 +44,7 @@
       key.description: "self",
       key.typename: "FooProtocol",
       key.context: source.codecompletion.context.thisclass,
+      key.typerelation: source.codecompletion.typerelation.unrelated,
       key.num_bytes_to_erase: 0
     }
   ]

test/SourceKit/CodeComplete/complete_optionalmethod.swift.response

@@ -7,6 +7,7 @@
       key.description: "optionalMethod?()",
       key.typename: "Int",
       key.context: source.codecompletion.context.thisclass,
+      key.typerelation: source.codecompletion.typerelation.unrelated,
       key.num_bytes_to_erase: 0,
       key.associated_usrs: "c:@M@complete_optionalmethod@objc(pl)Proto(im)optionalMethod",
       key.modulename: "complete_optionalmethod"
@@ -18,6 +19,7 @@
       key.description: "self",
       key.typename: "T",
       key.context: source.codecompletion.context.thisclass,
+      key.typerelation: source.codecompletion.typerelation.unrelated,
       key.num_bytes_to_erase: 0
     }
   ]