swift-api-digester: include generic signature printing in the module dump. (#18686)

Author: nkcsgexi

include/swift/IDE/DigesterEnums.def

@@ -109,10 +109,10 @@ KEY(declAttributes)
 KEY(declKind)
 KEY(ownership)
 KEY(superclassUsr)
-KEY(parentExtensionReqs)
 KEY(hasDefaultArg)
 KEY(conformingProtocols)
 KEY(enumRawTypeName)
+KEY(genericSig)
 
 KNOWN_TYPE(Optional)
 KNOWN_TYPE(ImplicitlyUnwrappedOptional)

test/api-digester/Outputs/cake.json

@@ -121,6 +121,7 @@
       "usr": "s:4cake2C0C",
       "location": "",
       "moduleName": "cake",
+      "genericSig": "<T1, T2, T3>",
       "children": [
         {
           "kind": "Constructor",
@@ -130,6 +131,7 @@
           "usr": "s:4cake2C0CACyxq_q0_Gycfc",
           "location": "",
           "moduleName": "cake",
+          "genericSig": "<T1, T2, T3>",
           "children": [
             {
               "kind": "TypeNominal",
@@ -164,11 +166,7 @@
           "usr": "s:4cake2C0CA2A2S1VRszAERs_AERs0_rlE17conditionalFooExtyyF",
           "location": "",
           "moduleName": "cake",
-          "parentExtensionReqs": [
-            "T1 == cake.S1",
-            "T2 == cake.S1",
-            "T3 == cake.S1"
-          ],
+          "genericSig": "<T1, T2, T3 where T1 == S1, T2 == S1, T3 == S1>",
           "children": [
             {
               "kind": "TypeNominal",
@@ -185,7 +183,7 @@
           "usr": "s:4cake2C0C19unconditionalFooExtyyF",
           "location": "",
           "moduleName": "cake",
-          "parentExtensionReqs": [],
+          "genericSig": "<T1, T2, T3>",
           "children": [
             {
               "kind": "TypeNominal",
@@ -731,7 +729,6 @@
           "usr": "s:Si4cakeE3fooyyF",
           "location": "",
           "moduleName": "cake",
-          "parentExtensionReqs": [],
           "children": [
             {
               "kind": "TypeNominal",

test/api-digester/Outputs/clang-module-dump.txt

@@ -89,6 +89,7 @@
           "usr": "c:objc(pl)ObjcProt(im)someFunctionFromProt",
           "location": "",
           "moduleName": "Foo",
+          "genericSig": "<Self where Self : ObjcProt>",
           "declAttributes": [
             "ObjC"
           ],