From a7efabf301f23364ac2335c80c5e1e712bc43204 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 10 Nov 2016 00:26:54 +0300
Subject: Add cat, false and true builtins

---
 build2/test/script/builtin | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

(limited to 'build2/test/script/builtin')

diff --git a/build2/test/script/builtin b/build2/test/script/builtin
index e3c16b3..bd5fe50 100644
--- a/build2/test/script/builtin
+++ b/build2/test/script/builtin
@@ -5,11 +5,11 @@
 #ifndef BUILD2_TEST_SCRIPT_BUILTIN
 #define BUILD2_TEST_SCRIPT_BUILTIN
 
+#include <map>
+
 #include <build2/types>
 #include <build2/utility>
 
-#include <map>
-
 namespace build2
 {
   namespace test
@@ -18,21 +18,26 @@ namespace build2
     {
       class scope;
 
+      // Start builtin command. Throw system_error on failure.
+      //
       // Note that unlike argc/argv, our args don't include the program name.
       //
-      using builtin = int (*) (scope&,
-                               const strings& args,
-                               auto_fd in, auto_fd out, auto_fd err);
+      // Also note that the future object being returned doesn't block in dtor
+      // until the builtin command terminates.
+      //
+      using builtin = future<uint8_t> (scope&,
+                                       const strings& args,
+                                       auto_fd in, auto_fd out, auto_fd err);
 
-      class builtin_map: public std::map<string, builtin>
+      class builtin_map: public std::map<string, builtin*>
       {
       public:
-        using base = std::map<string, builtin>;
+        using base = std::map<string, builtin*>;
         using base::base;
 
         // Return NULL if not a builtin.
         //
-        builtin
+        builtin*
         find (const string& n) const
         {
           auto i (base::find (n));
-- 
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