* foo(x+y, z^2, t)), it looks up such a table to find out which
* function (or class) corresponds to the given name and has the given
* number of the arguments.
- *
- * N.B.
- *
- * 1. The function don't have to return a (GiNaC) function or class, it
- * can return any expression.
- * 2. Overloaded functions/ctors are paritally supported, i.e. there might
- * be several functions with the same name, but they should take different
- * number of arguments.
- * 3. User can extend the parser via custom prototype tables. It's possible
- * to read user defined classes, create abbreviations, etc.
*/
-typedef std::map<prototype, reader_func> prototype_table;
+typedef std::map<prototype, unsigned> prototype_table;
/**
- * Default prototype table.
+ * Creates a default prototype table containing all defined GiNaC functions.
*
- * It supports most of builtin GiNaC functions.
+ * The data referenced by the return value is only created once when this
+ * function is called for the first time. This might cause problems in very
+ * rare stituations (i.e. if functions are added after this first call). In
+ * that case, a new initialization can be forced with an "true" argument.
*/
-extern const prototype_table& get_default_reader();
+extern const prototype_table& get_default_reader(bool force_init = false);
} // namespace GiNaC