1 files changed, 55 insertions, 0 deletions
diff --git a/tiger-compiler/src/task/int-task.cc b/tiger-compiler/src/task/int-task.cc
new file mode 100644
index 0000000..bf26271
--- /dev/null
+++ b/tiger-compiler/src/task/int-task.cc
@@ -0,0 +1,55 @@
+/**
+ ** \file task/int-task.cc
+ ** \brief IntTask class implementation.
+ **
+ */
+
+#include <exception>
+#include <iostream>
+
+#include <common.hh>
+#include <task/int-task.hh>
+
+namespace task
+{
+  IntTask::IntTask(int& var,
+                   int min,
+                   int max,
+                   const char* module_name,
+                   const char* desc,
+                   const char* name,
+                   std::string deps)
+    : ArgumentTask(name, module_name, desc, "NUM", deps)
+    , var_(var)
+    , min_(min)
+    , max_(max)
+  {}
+
+  void IntTask::arg_set(const std::string& arg) const
+  {
+    arg_ = arg;
+
+    try
+      {
+        var_ = stol(arg);
+      }
+    catch (const std::invalid_argument& e)
+      {
+        std::cerr << program_name << ": expected an integer: " << arg << '\n';
+        throw;
+      }
+
+    if (!(min_ <= var_ && var_ <= max_))
+      {
+        std::cerr << program_name << ": invalid integer: " << var_ << '\n';
+
+        throw std::invalid_argument(std::string("invalid integer: ") + arg_);
+      }
+  }
+
+  void IntTask::execute() const
+  {
+    // Assignment done in arg_set.
+  }
+
+} //namespace task