From 53eb43126e562a43f4e8f2247af10da5c4c3c87f Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 12 Aug 2016 16:39:13 +0200
Subject: Rename module to init

---
 build2/dist/init.cxx | 146 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 build2/dist/init.cxx

(limited to 'build2/dist/init.cxx')

diff --git a/build2/dist/init.cxx b/build2/dist/init.cxx
new file mode 100644
index 0000000..637a232
--- /dev/null
+++ b/build2/dist/init.cxx
@@ -0,0 +1,146 @@
+// file      : build2/dist/init.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <build2/dist/init>
+
+#include <build2/scope>
+#include <build2/file>
+#include <build2/diagnostics>
+
+#include <build2/config/utility>
+
+#include <build2/dist/rule>
+#include <build2/dist/operation>
+
+using namespace std;
+using namespace butl;
+
+namespace build2
+{
+  namespace dist
+  {
+    static rule rule_;
+
+    void
+    boot (scope& r, const location&, unique_ptr<module_base>&)
+    {
+      tracer trace ("dist::boot");
+
+      l5 ([&]{trace << "for " << r.out_path ();});
+
+      // Register meta-operation.
+      //
+      r.meta_operations.insert (dist_id, dist);
+
+      // Enter module variables. Do it during boot in case they get assigned
+      // in bootstrap.build (which is customary for, e.g., dist.package).
+      //
+      {
+        auto& v (var_pool);
+
+        // Note: some overridable, some not.
+        //
+        v.insert<abs_dir_path> ("config.dist.root",     true);
+        v.insert<strings>      ("config.dist.archives", true);
+        v.insert<path>         ("config.dist.cmd",      true);
+
+        v.insert<dir_path>     ("dist.root");
+        v.insert<path>         ("dist.cmd");
+        v.insert<strings>      ("dist.archives");
+
+        v.insert<bool>         ("dist");         // Flag.
+        v.insert<string>       ("dist.package"); // Project's package name.
+      }
+    }
+
+    bool
+    init (scope& r,
+          scope&,
+          const location& l,
+          unique_ptr<module_base>&,
+          bool first,
+          bool,
+          const variable_map& config_hints)
+    {
+      tracer trace ("dist::init");
+
+      if (!first)
+      {
+        warn (l) << "multiple dist module initializations";
+        return true;
+      }
+
+      const dir_path& out_root (r.out_path ());
+      l5 ([&]{trace << "for " << out_root;});
+
+      assert (config_hints.empty ()); // We don't known any hints.
+
+      // Register our wildcard rule. Do it explicitly for the alias
+      // to prevent something like insert<target>(dist_id, test_id)
+      // taking precedence.
+      //
+      r.rules.insert<target> (dist_id, 0, "dist", rule_);
+      r.rules.insert<alias> (dist_id, 0, "dist.alias", rule_);
+
+      // Configuration.
+      //
+      // Note that we don't use any defaults for root -- the location
+      // must be explicitly specified or we will complain if and when
+      // we try to dist.
+      //
+      bool s (config::specified (r, "config.dist"));
+
+      // Adjust module priority so that the config.dist.* values are saved at
+      // the end of config.build.
+      //
+      if (s)
+        config::save_module (r, "dist", INT32_MAX);
+
+      // dist.root
+      //
+      {
+        value& v (r.assign ("dist.root"));
+
+        if (s)
+        {
+          const value& cv (config::optional (r, "config.dist.root"));
+
+          if (cv && !cv.empty ()) // @@ BC LT [null]
+            v = cast<dir_path> (cv); // Strip abs_dir_path.
+        }
+      }
+
+      // dist.cmd
+      //
+      {
+        value& v (r.assign ("dist.cmd"));
+
+        if (s)
+        {
+          const value& cv (
+            config::required (r, "config.dist.cmd", path ("install")).first);
+
+          if (cv && !cv.empty ()) // @@ BC LT [null]
+            v = cv;
+        }
+      }
+
+      // dist.archives
+      //
+      {
+        value& v (r.assign ("dist.archives"));
+
+        if (s)
+        {
+          const value& cv (config::optional (r, "config.dist.archives"));
+
+          if (cv && !cv.empty ()) // @@ BC LT [null]
+            v = cv;
+        }
+      }
+
+      return true;
+    }
+  }
+}
-- 
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