diff options
Diffstat (limited to 'src/expr.h')
| -rw-r--r-- | src/expr.h | 34 |
1 files changed, 28 insertions, 6 deletions
@@ -56,9 +56,8 @@ class expr_t : public expr_base_t<value_t> public: class op_t; - typedef intrusive_ptr<op_t> ptr_op_t; + typedef intrusive_ptr<op_t> ptr_op_t; typedef intrusive_ptr<const op_t> const_ptr_op_t; - protected: ptr_op_t ptr; @@ -112,13 +111,13 @@ public: return parse(stream, flags, str); } - virtual void parse(std::istream& in, - const parse_flags_t& flags = PARSE_DEFAULT, - const optional<string>& original_string = none); + virtual void parse(std::istream& in, + const parse_flags_t& flags = PARSE_DEFAULT, + const optional<string>& original_string = none); virtual void compile(scope_t& scope); virtual value_t real_calc(scope_t& scope); - bool is_constant() const; + bool is_constant() const; value_t& constant_value(); const value_t& constant_value() const; bool is_function() const; @@ -142,6 +141,29 @@ private: #endif // HAVE_BOOST_SERIALIZATION }; +/** + * Dealing with expr pointers tucked into value objects. + */ +inline bool is_expr(const value_t& val) { + return val.is_any() && val.as_any().type() == typeid(expr_t::ptr_op_t); +} +inline expr_t::ptr_op_t as_expr(const value_t& val) { + VERIFY(val.is_any()); + return val.as_any<expr_t::ptr_op_t>(); +} +inline void set_expr(value_t& val, expr_t::ptr_op_t op) { + val.set_any(op); +} +inline value_t expr_value(expr_t::ptr_op_t op) { + value_t temp; + temp.set_any(op); + return temp; +} + +class call_scope_t; + +value_t source_command(call_scope_t& scope); + } // namespace ledger #endif // _EXPR_H |