Preserve escaped string literals for defaultValueString

Author: wravery

samples/introspection/IntrospectionSchema.cpp

@@ -672,7 +672,7 @@ void AddTypesToSchema(const std::shared_ptr<introspection::Schema>& schema)
 		R"gql(FIELD_DEFINITION)gql",
 		R"gql(ENUM_VALUE)gql"
 	}), std::vector<std::shared_ptr<introspection::InputValue>>({
-		std::make_shared<introspection::InputValue>("reason", R"md()md", schema->LookupType("String"), R"gql(No longer supported)gql")
+		std::make_shared<introspection::InputValue>("reason", R"md()md", schema->LookupType("String"), R"gql("No longer supported")gql")
 	})));
 }
 

src/GraphQLTree.cpp

@@ -202,7 +202,6 @@ struct ast_selector<string_value>
 			}
 		}
 
-		n->remove_content();
 		n->children.clear();
 	}
 };

src/SchemaGenerator.cpp

@@ -1296,9 +1296,7 @@ InputFieldList Generator::getInputFields(const std::vector<std::unique_ptr<peg::
 
 				defaultValue.visit(*child->children.back());
 				field.defaultValue = defaultValue.getValue();
-				field.defaultValueString = child->children.back()->unescaped.empty() 
-					? child->children.back()->string_view()
-					: child->children.back()->unescaped;
+				field.defaultValueString = child->children.back()->string_view();
 
 				defaultValueLocation = { position.line, position.byte_in_line };
 			}