Initial build tool sketch (simulation)

To build:
g++-4.9 -std=c++11 -g -I.. -o bd bd.cxx

1 files changed, 63 insertions, 0 deletions

diff --git a/build/bd.cxx b/build/bd.cxx
new file mode 100644
index 0000000..918434a
--- /dev/null
+++ b/build/bd.cxx
@@ -0,0 +1,63 @@
+// file      : build/bd.cxx
+// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+#include <vector>
+#include <iostream>
+
+#include <build/target>
+
+using namespace std;
+
+namespace build
+{
+  bool
+  update (target& t)
+  {
+    const targets& ps (t.prerequisites ());
+
+    for (target& p: ps)
+      if (!update (p))
+        return false;
+
+    //@@ TODO: check for existance, compare timestamps.
+
+    auto r (t.rule ());
+    return r != 0 ? r (t, t.prerequisites ()) : true;
+  }
+}
+
+using namespace build;
+
+bool
+cxx_compile_rule (target& t, const targets& p)
+{
+  //@@ TODO: actually execute
+
+  cerr << "c++ " << t.name () << endl;
+  return true;
+}
+
+bool
+cxx_link_rule (target& t, const targets& p)
+{
+  cerr << "ld " << t.name () << endl;
+  return true;
+}
+
+int
+main (int argc, char* argv[])
+{
+  exe bd ("bd");
+  obj bd_o ("bd.o");
+  bd.prerequisite (bd_o);
+  bd.rule (&cxx_link_rule);
+
+  cxx bd_cxx ("bd.cxx");
+  hxx target ("target");
+  bd_o.prerequisite (bd_cxx);
+  bd_o.prerequisite (target);
+  bd_o.rule (&cxx_compile_rule);
+
+  update (bd);
+}