Add test for the SwiftSyntax tree produced when parsing '= super' in a module interface

Author: Nathan Hawes

test/Syntax/Outputs/round_trip_module_interface.swiftinterface.withkinds

@@ -0,0 +1,24 @@
+<ImportDecl>// RUN: rm -rf %t
+// RUN: %swift-syntax-test -input-source-filename %s -parse-gen > %t
+// RUN: diff -u %s %t
+// RUN: %swift-syntax-test -input-source-filename %s -parse-gen -print-node-kind > %t.withkinds
+// RUN: diff -u %S/Outputs/round_trip_module_interface.swiftinterface.withkinds %t.withkinds
+// RUN: %swift-syntax-test -input-source-filename %s -eof > %t
+// RUN: diff -u %s %t
+// RUN: %swift-syntax-test -serialize-raw-tree -input-source-filename %s > %t.dump
+// RUN: %swift-syntax-test -deserialize-raw-tree -input-source-filename %t.dump -output-filename %t
+// RUN: diff -u %s %t
+
+import <AccessPathComponent>Swift</AccessPathComponent></ImportDecl><ClassDecl><DeclModifier>
+
+public </DeclModifier>class Bar <MemberDeclBlock>{<MemberDeclListItem><InitializerDecl><DeclModifier>
+  public </DeclModifier>init<ParameterClause>(<FunctionParameter>x: <SimpleTypeIdentifier>Int </SimpleTypeIdentifier><InitializerClause>= <IntegerLiteralExpr>24</IntegerLiteralExpr></InitializerClause>, </FunctionParameter><FunctionParameter>y: <SimpleTypeIdentifier>Int</SimpleTypeIdentifier></FunctionParameter>)</ParameterClause></InitializerDecl></MemberDeclListItem>
+}</MemberDeclBlock></ClassDecl><ClassDecl><DeclModifier>
+
+public </DeclModifier>class Foo<TypeInheritanceClause>: <InheritedType><SimpleTypeIdentifier>Bar </SimpleTypeIdentifier></InheritedType></TypeInheritanceClause><MemberDeclBlock>{<MemberDeclListItem><InitializerDecl><DeclModifier>
+  public </DeclModifier><DeclModifier>override </DeclModifier>init<ParameterClause>(<FunctionParameter>x: <SimpleTypeIdentifier>Int </SimpleTypeIdentifier><InitializerClause>= <SuperRefExpr>super</SuperRefExpr></InitializerClause>, </FunctionParameter><FunctionParameter>y: <SimpleTypeIdentifier>Int</SimpleTypeIdentifier></FunctionParameter>)</ParameterClause></InitializerDecl></MemberDeclListItem><MemberDeclListItem><SubscriptDecl><DeclModifier>
+  public </DeclModifier>subscript<ParameterClause>(<FunctionParameter>k: <SimpleTypeIdentifier>Int </SimpleTypeIdentifier><InitializerClause>= <SuperRefExpr>super</SuperRefExpr></InitializerClause></FunctionParameter>) </ParameterClause><ReturnClause>-> <SimpleTypeIdentifier>Int </SimpleTypeIdentifier></ReturnClause><AccessorBlock>{ <AccessorDecl>get </AccessorDecl>}</AccessorBlock></SubscriptDecl></MemberDeclListItem><MemberDeclListItem><FunctionDecl><DeclModifier>
+  public </DeclModifier>func foo<FunctionSignature><ParameterClause>(<FunctionParameter>x: <SimpleTypeIdentifier>Int </SimpleTypeIdentifier><InitializerClause>= <SuperRefExpr>super</SuperRefExpr></InitializerClause></FunctionParameter>)</ParameterClause></FunctionSignature></FunctionDecl></MemberDeclListItem><MemberDeclListItem><FunctionDecl><DeclModifier>
+  public </DeclModifier>func foo<FunctionSignature><ParameterClause>(<FunctionParameter>y: <SimpleTypeIdentifier>Int </SimpleTypeIdentifier><InitializerClause>= <MemberAccessExpr><SuperRefExpr>super</SuperRefExpr>.init</MemberAccessExpr></InitializerClause></FunctionParameter>)</ParameterClause></FunctionSignature></FunctionDecl></MemberDeclListItem><MemberDeclListItem><FunctionDecl><DeclModifier>
+  public </DeclModifier>func foo<FunctionSignature><ParameterClause>(<FunctionParameter>z: <SimpleTypeIdentifier>Int </SimpleTypeIdentifier><InitializerClause>= <SubscriptExpr><SuperRefExpr>super</SuperRefExpr>[<FunctionCallArgument><IntegerLiteralExpr>1</IntegerLiteralExpr></FunctionCallArgument>]</SubscriptExpr></InitializerClause></FunctionParameter>)</ParameterClause></FunctionSignature></FunctionDecl></MemberDeclListItem>
+}</MemberDeclBlock></ClassDecl>

test/Syntax/round_trip_module_interface.swiftinterface

@@ -0,0 +1,24 @@
+// RUN: rm -rf %t
+// RUN: %swift-syntax-test -input-source-filename %s -parse-gen > %t
+// RUN: diff -u %s %t
+// RUN: %swift-syntax-test -input-source-filename %s -parse-gen -print-node-kind > %t.withkinds
+// RUN: diff -u %S/Outputs/round_trip_module_interface.swiftinterface.withkinds %t.withkinds
+// RUN: %swift-syntax-test -input-source-filename %s -eof > %t
+// RUN: diff -u %s %t
+// RUN: %swift-syntax-test -serialize-raw-tree -input-source-filename %s > %t.dump
+// RUN: %swift-syntax-test -deserialize-raw-tree -input-source-filename %t.dump -output-filename %t
+// RUN: diff -u %s %t
+
+import Swift
+
+public class Bar {
+  public init(x: Int = 24, y: Int)
+}
+
+public class Foo: Bar {
+  public override init(x: Int = super, y: Int)
+  public subscript(k: Int = super) -> Int { get }
+  public func foo(x: Int = super)
+  public func foo(y: Int = super.init)
+  public func foo(z: Int = super[1])
+}

tools/swift-syntax-test/swift-syntax-test.cpp

@@ -600,6 +600,8 @@ int parseFile(
   Invocation.getLangOptions().VerifySyntaxTree = options::VerifySyntaxTree;
   Invocation.getLangOptions().RequestEvaluatorGraphVizPath = options::GraphVisPath;
   Invocation.getFrontendOptions().InputsAndOutputs.addInputFile(InputFileName);
+  if (InputFileName.endswith(".swiftinterface"))
+    Invocation.setInputKind(InputFileKind::SwiftModuleInterface);
   Invocation.setMainExecutablePath(
     llvm::sys::fs::getMainExecutable(MainExecutablePath,
       reinterpret_cast<void *>(&anchorForGetMainExecutable)));