Added options to Command.argument macro

src/cligen/command/argument.cr

@@ -1,6 +1,6 @@
 module CliGen
   class Command
-    macro argument(variable, description, long = nil, short = nil, validation = nil, on_match = nil, def_setter = false)
+    macro argument(variable, description, long = nil, short = nil, validation = nil, on_match = nil, def_setter = false, options = nil)
       {% raise "ERROR : CliGen::Command.argument : def_setter must be a Bool" unless def_setter.is_a? BoolLiteral %}
       {% raise "ERROR : CliGen::Command.argument : First argument (#{variable}) must be a TypeDeclaration (ex: '<var> : <type> [= val]')" unless variable.is_a? TypeDeclaration %}
       {% name = variable.var %}
@@ -32,8 +32,12 @@ module CliGen
           {% raise "ERROR : CliGen::Command.argument(#{name}) : Provided validation input value must be #{type}. EX: #{example}" %}
         {% end %}
       {% end %}
+      {% if options %}
+        {% options = options.resolve if options.is_a? Path %}
+        {% raise "ERROR : CliGen::Command.argument(#{name}) : Provided options must be an ArrayLiteral" unless options.is_a? ArrayLiteral %}
+      {% end %}
 
-      @[CliGen::Argument(short: {{short}}, long: {{long}}, description: {{description}}, validation: {{validation}}, on_match: {{on_match}})]
+      @[CliGen::Argument(short: {{short}}, long: {{long}}, description: {{description}}, validation: {{validation}}, on_match: {{on_match}}, options: {{options}})]
       @{{variable}}
 
       {% if def_setter %}

src/cligen/command/selection.cr

@@ -7,8 +7,11 @@ module CliGen
       {% raise "ERROR : CliGen::Command.selection : You must provide a short or long" unless long || short %}
       {% raise "ERROR : CliGen::Command.selection : You must provide a description" unless description %}
       {% raise "ERROR : CliGen::Command.selection : Provided description must be a String" unless description.is_a? StringLiteral %}
-      {% raise "ERROR : CliGen::Command.selection : You must provide options" unless options %}
+      {% raise "ERROR : CliGen::Command.selection : You must provide options" unless options.is_a? ArrayLiteral %}
-      {% raise "ERROR : CliGen::Command.selection : Provided options must be " unless options %}
+      {% raise "ERROR : CliGen::Command.selection : Provided options must be " unless options. %}
+
+      @[CliGen::Argument(short: {{short}}, long: {{long}}, description: {{description}}, validation: {{validation}}, on_match: {{on_match}})]
+      @{{variable}}
     end
   end
 end