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diff --git a/tiger-compiler/src/task/argument-task.hh b/tiger-compiler/src/task/argument-task.hh
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+/**
+ ** \file task/argument-task.hh
+ ** \brief Declare the task::ArgumentTask class.
+ */
+
+#pragma once
+
+#include <string>
+
+#include <task/task.hh>
+
+namespace task
+{
+  /** \brief A `Task' expecting arguments prior to be executed.
+
+  This class embodies tasks which need an additional parameter for their
+  `execute()' method. Therefore a call to `arg_set()' must be made prior to
+  the `execute()' method, to set the value of this expected argument.
+  This class also automates the registering of its derived classes, as does its
+  sibling class `SimpleTask' for tasks without additional argument.
+  */
+  class ArgumentTask : public Task
+  {
+    /** \name Ctor & dtor.
+     ** \{ */
+  public:
+    /// Construct and register an ArgumentTask.
+    ArgumentTask(const char* name,
+                 const char* module_name,
+                 const char* desc,
+                 const char* argname,
+                 std::string deps = "");
+
+    /** \} */
+
+    /** \name Accessors.
+     ** \{ */
+  public:
+    /// Access to 'arg'.
+    const std::string& arg_get() const;
+
+    /// Access to `arg'.
+    virtual void arg_set(const std::string& arg) const;
+
+    /// Access to `argname'.
+    const char* argname_get() const;
+
+    /** \} */
+
+  protected:
+    /// ArgumentTask argument value.
+    mutable std::string arg_;
+
+    /// Argument name to be displayed when printing.
+    const char* argname_;
+  };
+
+} // namespace task