Variable assignment, appending support

1 files changed, 72 insertions, 0 deletions

diff --git a/build/dump.cxx b/build/dump.cxx
new file mode 100644
index 0000000..4294e92
--- /dev/null
+++ b/build/dump.cxx
@@ -0,0 +1,72 @@
+// file      : build/dump.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+#include <build/dump>
+
+#include <string>
+#include <cassert>
+#include <iostream>
+
+#include <build/scope>
+#include <build/variable>
+#include <build/diagnostics>
+
+using namespace std;
+
+namespace build
+{
+  static void
+  dump_scope (scope& p, scope_map::iterator& i, string& ind)
+  {
+    string d (diag_relative_work (p.path ()));
+
+    if (d.back () != path::traits::directory_separator)
+      d += '/';
+
+    cerr << ind << d << ":" << endl
+         << ind << '{' << endl;
+
+    ind += "  ";
+
+    for (const auto& e: p.variables)
+    {
+      const variable& var (e.first);
+      const value_ptr& val (e.second);
+
+      cerr << ind << var.name << " = ";
+
+      if (val == nullptr)
+        cerr << "[undefined]";
+      else
+      {
+        //@@ TODO: assuming it is a list.
+        //
+        cerr << dynamic_cast<list_value&> (*val).data;
+      }
+
+      cerr << endl;
+    }
+
+    // Print nested scopes of which we are a parent.
+    //
+    for (auto e (scopes.end ()); i != e && i->second.parent () == &p; )
+    {
+      scope& s (i->second);
+      dump_scope (s, ++i, ind);
+    }
+
+    ind.resize (ind.size () - 2);
+    cerr << ind << '}' << endl;
+  }
+
+  void
+  dump_scopes ()
+  {
+    string ind;
+    auto i (scopes.begin ());
+    scope& r (i->second); // Root scope.
+    assert (&r == root_scope);
+    dump_scope (r, ++i, ind);
+  }
+}