keep a weak reference to Grammar* in Parser

rsms · Apr 23, 2011 · 968d608 · 968d608
1 parent 7e291e3
commit 968d608
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Showing 2 changed files with 4 additions and 0 deletions.
diff --git a/runtime/Parser.cc b/runtime/Parser.cc
@@ -60,6 +60,7 @@ Parser::~Parser() {
 
 
 void Parser::setGrammar(Grammar *grammar) {
+  grammar_ = grammar;
   state_ = gzl_alloc_parse_state();
   assert(state_ != NULL);
   state_->user_data = (void*)this;

diff --git a/runtime/include/gazelle/Parser.hh b/runtime/include/gazelle/Parser.hh
@@ -30,6 +30,7 @@ class Parser {
 
   // Set the grammar which should be used for the next call to parse
   void setGrammar(Grammar *grammar);
+  Grammar *grammar() { return grammar_; }
 
   // A structure which contains the current state (see parse.h for details)
   inline gzl_parse_state *state() { return state_; }
@@ -101,6 +102,8 @@ class Parser {
 
   // The Gazelle parse state
   gzl_parse_state *state_;
+
+  Grammar *grammar_;  // weak
 };