From 1ca411b423da51ba2423640270dfbb89bebc9390 Mon Sep 17 00:00:00 2001
From: Joseph Wang <joequant@gmail.com>
Date: Sat, 17 Mar 2012 18:40:38 +0000
Subject: [PATCH] Add more debug code into swig internals

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12928 626c5289-ae23-0410-ae9c-e8d60b6d4f22
---
 Source/Swig/include.c  | 11 +++++++++++
 Source/Swig/swig.h     |  1 +
 Source/Swig/swigfile.h |  1 +
 Source/Swig/typemap.c  | 18 +++++++++++++++++-
 4 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/Source/Swig/include.c b/Source/Swig/include.c
index e3f256901..6b08df629 100644
--- a/Source/Swig/include.c
+++ b/Source/Swig/include.c
@@ -21,6 +21,7 @@ static List   *directories = 0;	        /* List of include directories */
 static String *lastpath = 0;	        /* Last file that was included */
 static List   *pdirectories = 0;        /* List of pushed directories  */
 static int     dopush = 1;		/* Whether to push directories */
+static int file_debug = 1;
 
 /* This functions determine whether to push/pop dirs in the preprocessor */
 void Swig_set_push_dir(int push) {
@@ -173,6 +174,9 @@ static FILE *Swig_open_file(const_String_or_char_ptr name, int sysfile, int use_
   cname = Char(name);
   filename = NewString(cname);
   assert(filename);
+  if (file_debug) {
+    Printf(stdout, "  Open: %s\n", filename);
+  }
   f = fopen(Char(filename), "r");
   if (!f && use_include_path) {
     spath = Swig_search_path_any(sysfile);
@@ -386,3 +390,10 @@ char *Swig_file_dirname(const_String_or_char_ptr filename) {
   *(++c) = 0;
   return tmp;
 }
+
+/*
+ * Swig_file_debug()
+ */
+void Swig_file_debug_set() {
+  file_debug = 1;
+}
diff --git a/Source/Swig/swig.h b/Source/Swig/swig.h
index e9185600a..97b730508 100644
--- a/Source/Swig/swig.h
+++ b/Source/Swig/swig.h
@@ -388,6 +388,7 @@ extern int        ParmList_is_compactdefargs(ParmList *p);
   extern void Swig_typemap_debug(void);
   extern void Swig_typemap_search_debug_set(void);
   extern void Swig_typemap_used_debug_set(void);
+  extern void Swig_typemap_register_debug_set(void);
 
   extern String *Swig_typemap_lookup(const_String_or_char_ptr tmap_method, Node *n, const_String_or_char_ptr lname, Wrapper *f);
   extern String *Swig_typemap_lookup_out(const_String_or_char_ptr tmap_method, Node *n, const_String_or_char_ptr lname, Wrapper *f, String *actioncode);
diff --git a/Source/Swig/swigfile.h b/Source/Swig/swigfile.h
index cdf23cddc..158243c04 100644
--- a/Source/Swig/swigfile.h
+++ b/Source/Swig/swigfile.h
@@ -30,6 +30,7 @@ extern char   *Swig_file_suffix(const_String_or_char_ptr filename);
 extern char   *Swig_file_basename(const_String_or_char_ptr filename);
 extern char   *Swig_file_filename(const_String_or_char_ptr filename);
 extern char   *Swig_file_dirname(const_String_or_char_ptr filename);
+extern void   Swig_file_debug_set();
 
 /* Delimiter used in accessing files and directories */
 
diff --git a/Source/Swig/typemap.c b/Source/Swig/typemap.c
index da5e3309c..1b2150c3c 100644
--- a/Source/Swig/typemap.c
+++ b/Source/Swig/typemap.c
@@ -23,6 +23,7 @@ char cvsroot_typemap_c[] = "$Id$";
 
 static int typemap_search_debug = 0;
 static int typemaps_used_debug = 0;
+static int typemap_register_debug = 0;
 static int in_typemap_search_multi = 0;
 
 static void replace_embedded_typemap(String *s, ParmList *parm_sublist, Wrapper *f, Node *file_line_node);
@@ -191,9 +192,14 @@ static void typemap_register(const_String_or_char_ptr tmap_method, ParmList *par
   String *tm_method;
   SwigType *type;
   String *pname;
-
   if (!parms)
     return;
+
+  if (typemap_register_debug) {
+      Printf(stdout, "Registering - %s\n", tmap_method);
+      Swig_print_node(parms);
+  }
+
   tm_method = typemap_method_name(tmap_method);
 
   /* Register the first type in the parameter list */
@@ -2064,3 +2070,13 @@ void Swig_typemap_used_debug_set(void) {
   typemaps_used_debug = 1;
 }
 
+/* -----------------------------------------------------------------------------
+ * Swig_typemap_register_debug_set()
+ *
+ * Turn on typemaps used debug display
+ * ----------------------------------------------------------------------------- */
+
+void Swig_typemap_register_debug_set(void) {
+  typemap_register_debug = 1;
+}
+