72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
// -*- C++ -*-
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//=============================================================================
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/**
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* @file Constraint_Interpreter.h
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*
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* @author Jeff Parsons <j.parsons@vanderbilt.edu>
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*/
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//=============================================================================
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#ifndef CONSTRAINT_INTERPRETER_H
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#define CONSTRAINT_INTERPRETER_H
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#include /**/ "ace/pre.h"
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#include "ace/CDR_Base.h"
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#if !defined (ACE_LACKS_PRAGMA_ONCE)
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# pragma once
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#endif /* ACE_LACKS_PRAGMA_ONCE */
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#if defined (ACE_HAS_MONITOR_FRAMEWORK) && (ACE_HAS_MONITOR_FRAMEWORK == 1)
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#include "ace/ETCL/ETCL_Interpreter.h"
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#include "ace/Monitor_Control/Monitor_Control_export.h"
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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namespace ACE
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{
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namespace Monitor_Control
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{
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class Constraint_Visitor;
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/**
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* @class Constraint_Interpreter
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*
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* @brief "ETCL" Interpreter for MonitorControl constraints,
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specialized to encapsulate MonitorControl-specific
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knowledge of types and visitors.
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*/
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class MONITOR_CONTROL_Export Constraint_Interpreter
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: public ETCL_Interpreter
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{
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public:
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Constraint_Interpreter (void);
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virtual ~Constraint_Interpreter (void);
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/**
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* This method builds an expression tree representing the
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* constraint specified in <constraints>, and returns -1 with
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* an error message if the constraint given has syntax errors or
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* semantic errors, such as mismatched types.
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*/
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int build_tree (const char* constraints);
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/// Returns true if the constraint is evaluated successfully by
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/// the evaluator.
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ACE_CDR::Boolean evaluate (Constraint_Visitor &evaluator);
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};
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}
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}
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ACE_END_VERSIONED_NAMESPACE_DECL
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#endif /* ACE_HAS_MONITOR_FRAMEWORK==1 */
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#include /**/ "ace/post.h"
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#endif /* CONSTRAINT_INTERPRETER_H */
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