Add support for the Go programming language.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12108 626c5289-ae23-0410-ae9c-e8d60b6d4f22

1 files changed, 55 insertions, 0 deletions

diff --git a/Lib/go/std_string.i b/Lib/go/std_string.i
new file mode 100644
index 000000000..3c94cbe10
--- /dev/null
+++ b/Lib/go/std_string.i
@@ -0,0 +1,55 @@
+/* -----------------------------------------------------------------------------
+ * std_string.i
+ *
+ * Typemaps for std::string and const std::string&
+ * These are mapped to a Go string and are passed around by value.
+ *
+ * To use non-const std::string references use the following %apply.  Note 
+ * that they are passed by value.
+ * %apply const std::string & {std::string &};
+ * ----------------------------------------------------------------------------- */
+
+%{
+#include <string>
+%}
+
+namespace std {
+
+%naturalvar string;
+
+class string;
+
+%typemap(go) string, const string & "string"
+
+%typemap(in) string
+%{ $1.assign($input.p, $input.n); %}
+
+%typemap(directorout) string
+%{ $result.assign($input.p, $input.n); %}
+
+%typemap(out) string
+%{ $result = _swig_makegostring($1.data(), $1.length()); %}
+
+%typemap(directorin) string
+%{ $input = _swig_makegostring($1_name.data(), $1_name.length()); %}
+
+%typemap(in) const string &
+%{
+  std::string $1_str($input.p, $input.n);
+  $1 = &$1_str;
+%}
+
+%typemap(directorout,warning=SWIGWARN_TYPEMAP_THREAD_UNSAFE_MSG) const string &
+%{
+  static std::string $1_str;
+  $1_str.assign($input.p, $input.n);
+  $result = &$1_str;
+%}
+
+%typemap(out) const string &
+%{ $result = _swig_makegostring((*$1).data(), (*$1).length()); %}
+
+%typemap(directorin) const string &
+%{ $input = _swig_makegostring($1_name.data(), $1_name.length()); %}
+
+}