Fixed memory leak.

[ginac.git] / ginac / parser / parser.cpp

diff --git a/ginac/parser/parser.cpp b/ginac/parser/parser.cpp
index a46017d38130ad0a0cde277f656f1ae489f32bdd..6ed364ffd5a155ae0bb5abeec567a8f17e3ffbaf 100644 (file)
--- a/ginac/parser/parser.cpp
+++ b/ginac/parser/parser.cpp
@@ -66,8 +66,18 @@ ex parser::parse_identifier_expr()
                Parse_error_("no function \"" << name << "\" with " <<
                             args.size() << " arguments");
        }
-       ex ret = GiNaC::function(reinterpret_cast<unsigned>(reader->second), args);
-       return ret;
+       // dirty hack to distinguish between serial numbers of functions and real
+       // pointers.
+       GiNaC::function* f = NULL;
+       try {
+               f = new GiNaC::function(reinterpret_cast<unsigned>(reader->second), args);
+       }
+       catch ( std::runtime_error ) {
+               if ( f ) delete f;
+               ex ret = reader->second(args);
+               return ret;
+       }
+       return f->setflag(status_flags::dynallocated);
 }
 
 /// paren_expr:  '(' expression ')'