From d1e66431613ad092aa91770f52a2a2e5dede5a23 Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Wed, 15 Sep 2010 20:17:11 +0000
Subject: Expand the family of debug print functions for displaying DOH types.
 Provide gdb support for calling these. Document improved debugging
 experience.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12221 626c5289-ae23-0410-ae9c-e8d60b6d4f22
---
 Source/Modules/utils.cxx | 113 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)

(limited to 'Source/Modules/utils.cxx')

diff --git a/Source/Modules/utils.cxx b/Source/Modules/utils.cxx
index 3fe7a2709..13a504bcf 100644
--- a/Source/Modules/utils.cxx
+++ b/Source/Modules/utils.cxx
@@ -100,3 +100,116 @@ void clean_overloaded(Node *n) {
       Delattr(n, "sym:overloaded");
   }
 }
+
+/* -----------------------------------------------------------------------------
+ * Swig_set_max_hash_expand()
+ *
+ * Controls how many Hash objects are displayed when displaying nested Hash objects.
+ * Makes DohSetMaxHashExpand an externally callable function (for debugger).
+ * ----------------------------------------------------------------------------- */
+
+void Swig_set_max_hash_expand(int count) {
+  SetMaxHashExpand(count);
+}
+
+extern "C" {
+
+/* -----------------------------------------------------------------------------
+ * Swig_get_max_hash_expand()
+ *
+ * Returns how many Hash objects are displayed when displaying nested Hash objects.
+ * Makes DohGetMaxHashExpand an externally callable function (for debugger).
+ * ----------------------------------------------------------------------------- */
+
+int Swig_get_max_hash_expand() {
+  return GetMaxHashExpand();
+}
+
+/* -----------------------------------------------------------------------------
+ * Swig_to_doh_string()
+ *
+ * DOH version of Swig_to_string()
+ * ----------------------------------------------------------------------------- */
+
+static String *Swig_to_doh_string(DOH *object, int count) {
+  int old_count = Swig_get_max_hash_expand();
+  if (count >= 0)
+    Swig_set_max_hash_expand(count);
+
+  String *debug_string = object ? NewStringf("%s", object) : NewString("NULL");
+
+  Swig_set_max_hash_expand(old_count);
+  return debug_string;
+}
+
+/* -----------------------------------------------------------------------------
+ * Swig_to_doh_string_with_location()
+ *
+ * DOH version of Swig_to_string_with_location()
+ * ----------------------------------------------------------------------------- */
+
+static String *Swig_to_doh_string_with_location(DOH *object, int count) {
+  int old_count = Swig_get_max_hash_expand();
+  if (count >= 0)
+    Swig_set_max_hash_expand(count);
+
+  String *debug_string = Swig_stringify_with_location(object);
+
+  Swig_set_max_hash_expand(old_count);
+  return debug_string;
+}
+
+/* -----------------------------------------------------------------------------
+ * Swig_to_string()
+ *
+ * Swig debug - return C string representation of any DOH type.
+ * Nested Hash types expand count is value of Swig_get_max_hash_expand when count<0
+ * Note: leaks memory.
+ * ----------------------------------------------------------------------------- */
+
+const char *Swig_to_string(DOH *object, int count) {
+  return Char(Swig_to_doh_string(object, count));
+}
+
+/* -----------------------------------------------------------------------------
+ * Swig_to_string_with_location()
+ *
+ * Swig debug - return C string representation of any DOH type, within [] brackets
+ * for Hash and List types, prefixed by line and file information.
+ * Nested Hash types expand count is value of Swig_get_max_hash_expand when count<0
+ * Note: leaks memory.
+ * ----------------------------------------------------------------------------- */
+
+const char *Swig_to_string_with_location(DOH *object, int count) {
+  return Char(Swig_to_doh_string_with_location(object, count));
+}
+
+/* -----------------------------------------------------------------------------
+ * Swig_print()
+ *
+ * Swig debug - display string representation of any DOH type.
+ * Nested Hash types expand count is value of Swig_get_max_hash_expand when count<0
+ * ----------------------------------------------------------------------------- */
+
+void Swig_print(DOH *object, int count) {
+  String *output = Swig_to_doh_string(object, count);
+  Printf(stdout, "%s\n", output);
+  Delete(output);
+}
+
+/* -----------------------------------------------------------------------------
+ * Swig_to_string_with_location()
+ *
+ * Swig debug - display string representation of any DOH type, within [] brackets
+ * for Hash and List types, prefixed by line and file information.
+ * Nested Hash types expand count is value of Swig_get_max_hash_expand when count<0
+ * ----------------------------------------------------------------------------- */
+
+void Swig_print_with_location(DOH *object, int count) {
+  String *output = Swig_to_doh_string_with_location(object, count);
+  Printf(stdout, "%s\n", output);
+  Delete(output);
+}
+
+} // extern "C"
+
-- 
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