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rule_expr Class Reference

Rules containing expressions (expr.h).

Inheritance diagram for rule_expr:

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Collaboration diagram for rule_expr:

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List of all members.

Public Member Functions

virtual value_assign_base * evaluate (const constraint_solver *s) const
 Evaluate the rule and return a result object.
dependency_t is_dependent_on (const const_accessor &a, symbol_table_interface *v) const
 rule_expr (const accessor &target, rule_expr_assign_abstract *a_rule)
 ~rule_expr ()

Constructor & Destructor Documentation

rule_expr (  const accessor &  target,
rule_expr_assign_abstract *  a_rule
) 
 

~rule_expr (   ) 
 

Member Function Documentation

virtual value_assign_base* evaluate (  const constraint_solver *  s  )  const [virtual]
 

This function evaluates the rule. Rules do not immediately assign the result. Instead they return a result object, which can later be used to assign the result to the target.

Returns:
a result object.

Implements rule_base.

dependency_t is_dependent_on (  const const_accessor &  a,
symbol_table_interface *  v
)  const [virtual]
 

Implements rule_base.

Copyright 2004, Hajo Kirchhoff, Lit Window Productions