Added swiftgen step for generating strings that won't be exposed to Weblate but still part of VectorL10n.

Tools/SwiftGen/Templates/Strings/flat-swift4-vector-untranslated.stencil

@@ -0,0 +1,64 @@
+// swiftlint:disable all
+// Generated using SwiftGen, by O.Halligon — https://github.com/SwiftGen/SwiftGen
+
+{% if tables.count > 0 %}
+{% set accessModifier %}{% if param.publicAccess %}public{% else %}internal{% endif %}{% endset %}
+import Foundation
+
+// swiftlint:disable superfluous_disable_command
+// swiftlint:disable file_length
+
+// MARK: - Strings
+
+{% macro parametersBlock types %}{% filter removeNewlines:"leading" %}
+  {% for type in types %}
+    _ p{{forloop.counter}}: {{type}}{{ ", " if not forloop.last }}
+  {% endfor %}
+{% endfilter %}{% endmacro %}
+{% macro argumentsBlock types %}{% filter removeNewlines:"leading" %}
+  {% for type in types %}
+    {% if type == "UnsafeRawPointer" %}
+    Int(bitPattern: p{{forloop.counter}})
+    {% else %}
+    p{{forloop.counter}}
+    {% endif %}
+    {{ ", " if not forloop.last }}
+  {% endfor %}
+{% endfilter %}{% endmacro %}
+{% macro recursiveBlock table item %}
+  {% for string in item.strings %}
+  {% if not param.noComments %}
+  /// {{string.translation}}
+  {% endif %}
+  {% if string.types %}
+  {{accessModifier}} static func {{string.key|swiftIdentifier:"pretty"|lowerFirstWord|escapeReservedKeywords}}({% call parametersBlock string.types %}) -> String {
+    return {{className}}.tr("{{table}}", "{{string.key}}", {% call argumentsBlock string.types %})
+  }
+  {% else %}
+  static var {{string.key|swiftIdentifier:"pretty"|lowerFirstWord|escapeReservedKeywords}}: String { 
+    return {{className}}.tr("{{table}}", "{{string.key}}") 
+  }
+  {% endif %}
+  {% endfor %}
+  {% for child in item.children %}
+  {% call recursiveBlock table child %}
+  {% endfor %}
+{% endmacro %}
+// swiftlint:disable function_parameter_count identifier_name line_length type_body_length
+{% set className %}{{param.className|default:"L10n"}}{% endset %}
+{{accessModifier}} extension {{className}} {
+  {% if tables.count > 1 %}
+  {% for table in tables %}
+  {{accessModifier}} class {{table.name|swiftIdentifier:"pretty"|escapeReservedKeywords}} {
+    {% filter indent:2 %}{% call recursiveBlock table.name table.levels %}{% endfilter %}
+  }
+  {% endfor %}
+  {% else %}
+  {% call recursiveBlock tables.first.name tables.first.levels %}
+  {% endif %}
+}
+// swiftlint:enable function_parameter_count identifier_name line_length type_body_length
+
+{% else %}
+// No string found
+{% endif %}

Tools/SwiftGen/swiftgen-config.yml

@@ -16,6 +16,13 @@ strings:
       params:
         className: VectorL10n
         publicAccess: true
+  - inputs: Assets/en.lproj/Untranslated.strings
+    outputs:
+      templatePath: Templates/Strings/flat-swift4-vector-untranslated.stencil
+      output: UntranslatedStrings.swift
+      params:
+        className: VectorL10n
+        publicAccess: true
   - inputs: Modules/MatrixKit/Assets/MatrixKitAssets.bundle/en.lproj/MatrixKit.strings
     outputs:
       templatePath: Templates/Strings/matrixkit-flat-swift4-vector.stencil