Redo rule match/build logic

Now the rule is fully responsible for searching, matching, and building
of prerequisites.

1 files changed, 31 insertions, 0 deletions

diff --git a/build/search b/build/search
new file mode 100644
index 0000000..e7d2acd
--- /dev/null
+++ b/build/search
@@ -0,0 +1,31 @@
+// file      : build/search -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BUILD_SEARCH
+#define BUILD_SEARCH
+
+#include <build/types>
+
+namespace build
+{
+  class target;
+  class prerequisite;
+
+  // Search for an existing target in this prerequisite's directory scope.
+  //
+  target*
+  search_existing_target (prerequisite&);
+
+  // Search for an existing file in the specified list of search paths.
+  //
+  target*
+  search_existing_file (prerequisite&, const paths&);
+
+  // Create a new target in this prerequisite's directory scope.
+  //
+  target&
+  create_new_target (prerequisite&);
+}
+
+#endif // BUILD_SEARCH