aboutsummaryrefslogtreecommitdiff
path: root/libbuild2/config/functions.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'libbuild2/config/functions.cxx')
-rw-r--r--libbuild2/config/functions.cxx52
1 files changed, 52 insertions, 0 deletions
diff --git a/libbuild2/config/functions.cxx b/libbuild2/config/functions.cxx
new file mode 100644
index 0000000..79447a4
--- /dev/null
+++ b/libbuild2/config/functions.cxx
@@ -0,0 +1,52 @@
+// file : libbuild2/config/functions.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
+// license : MIT; see accompanying LICENSE file
+
+#include <sstream>
+
+#include <libbuild2/scope.hxx>
+#include <libbuild2/function.hxx>
+#include <libbuild2/variable.hxx>
+
+#include <libbuild2/config/operation.hxx>
+
+using namespace std;
+
+namespace build2
+{
+ namespace config
+ {
+ void
+ functions (function_map& m)
+ {
+ function_family f (m, "config");
+
+ // Return the configuration file contents as a string, similar to the
+ // config.export variable functionality.
+ //
+ // Note that this function can only be used during configure unless the
+ // config module creation was forced for other meta-operations with
+ // config.module=true in bootstrap.build.
+ //
+ f[".export"] = [] (const scope* s)
+ {
+ if (s == nullptr)
+ fail << "config.export() called out of scope" << endf;
+
+ s = s->root_scope ();
+
+ if (s == nullptr)
+ fail << "config.export() called out of project" << endf;
+
+ ostringstream os;
+
+ // Empty project set should is ok as long as inherit is false.
+ //
+ project_set ps;
+ save_config (*s, os, "config.export()", false /* inherit */, ps);
+
+ return os.str ();
+ };
+ }
+ }
+}