Mesa (glsl2): glsl_type: Add _mesa_glsl_release_types to release all type related storage

[Ian Romanick]

Module: Mesa
Branch: glsl2
Commit: efc15f862b08a9f035c06a79bc43848cca740372
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=efc15f862b08a9f035c06a79bc43848cca740372

Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Mon Jun 28 13:17:18 2010 -0700

glsl_type: Add _mesa_glsl_release_types to release all type related storage

---

 src/glsl/glsl_types.cpp |   20 ++++++++++++++++++++
 src/glsl/glsl_types.h   |   14 ++++++++++++--
 src/glsl/main.cpp       |    1 +
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/src/glsl/glsl_types.cpp b/src/glsl/glsl_types.cpp
index 0d807fb..806b714 100644
--- a/src/glsl/glsl_types.cpp
+++ b/src/glsl/glsl_types.cpp
@@ -195,6 +195,26 @@ const glsl_type *glsl_type::get_base_type() const
 }
 
 
+void
+_mesa_glsl_release_types(void)
+{
+   if (glsl_type::array_types != NULL) {
+      hash_table_dtor(glsl_type::array_types);
+      glsl_type::array_types = NULL;
+   }
+
+   if (glsl_type::record_types != NULL) {
+      hash_table_dtor(glsl_type::record_types);
+      glsl_type::record_types = NULL;
+   }
+
+   if (glsl_type::ctx != NULL) {
+      talloc_free(glsl_type::ctx);
+      glsl_type::ctx = NULL;
+   }
+}
+
+
 ir_function *
 glsl_type::generate_constructor(glsl_symbol_table *symtab) const
 {
diff --git a/src/glsl/glsl_types.h b/src/glsl/glsl_types.h
index 1147d38..e869071 100644
--- a/src/glsl/glsl_types.h
+++ b/src/glsl/glsl_types.h
@@ -39,6 +39,9 @@ struct _mesa_glsl_parse_state;
 extern "C" void
 _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state);
 
+extern "C" void
+_mesa_glsl_release_types(void);
+
 #define GLSL_TYPE_UINT          0
 #define GLSL_TYPE_INT           1
 #define GLSL_TYPE_FLOAT         2
@@ -455,11 +458,18 @@ private:
 						    bool);
    static void generate_EXT_texture_array_types(class glsl_symbol_table *,
 						bool);
+   /*@}*/
+
    /**
-    * This function is a friend because it needs to call the various
-    * generate_*_types functions and it has C linkage.
+    * \name Friend functions.
+    *
+    * These functions are friends because they must have C linkage and the
+    * need to call various private methods or access various private static
+    * data.
     */
+   /*@{*/
    friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *);
+   friend void _mesa_glsl_release_types(void);
    /*@}*/
 };
 
diff --git a/src/glsl/main.cpp b/src/glsl/main.cpp
index 16b2cf8..342cf98 100644
--- a/src/glsl/main.cpp
+++ b/src/glsl/main.cpp
@@ -258,6 +258,7 @@ main(int argc, char **argv)
    }
 
    talloc_free(whole_program);
+   _mesa_glsl_release_types();
 
    return status;
 }