ARB prog: Clean up several memory leaks

As far as I am able to determine via code inspection and using
Valgrind, that should be all of the leaks in the parser.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/mesa/shader/program_parser.h b/src/mesa/shader/program_parser.h
index b4c24ec92c..e17ffd2322 100644
--- a/src/mesa/shader/program_parser.h
+++ b/src/mesa/shader/program_parser.h
@@ -39,6 +39,7 @@ enum asm_type {
 };
 
 struct asm_symbol {
+   struct asm_symbol *next;    /**< List linkage for freeing. */
    const char *name;
    enum asm_type type;
    unsigned attrib_binding;
@@ -135,6 +136,14 @@ struct asm_parser_state {
    struct _mesa_symbol_table *st;
 
    /**
+    * Linked list of symbols
+    *
+    * This list is \b only used when cleaning up compiler state and freeing
+    * memory.
+    */
+   struct asm_symbol *sym;
+
+   /**
     * State for the lexer.
     */
    void *scanner;