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TAO_Interpreter Class Reference

TAO_Interpreter is the superclass for all interpreters. Its build tree method invokes the yacc parser to parse a constraint or preference string. More...

#include <Interpreter.h>

Inheritance diagram for TAO_Interpreter:

[legend]Collaboration diagram for TAO_Interpreter:

[legend]List of all members.

Protected Methods
	TAO_Interpreter (void)
	Constructor.
	~TAO_Interpreter (void)
	Destructor.
int	build_tree (const char *preferences)
Static Protected Methods
int	is_empty_string (const char *str)
Protected Attributes
TAO_Constraint *	root_
Static Private Attributes
TAO_SYNCH_MUTEX	parserMutex__
	This mutex protects the <build_tree> method from reentrance.

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Detailed Description

TAO_Interpreter is the superclass for all interpreters. Its build tree method invokes the yacc parser to parse a constraint or preference string.

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Constructor & Destructor Documentation

TAO_Interpreter::TAO_Interpreter (  void    )  [protected]

Constructor.

TAO_Interpreter::~TAO_Interpreter (  void    )  [protected]

Destructor.

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Member Function Documentation

int TAO_Interpreter::build_tree (  const char *    preferences )  [protected]

Using the Yacc generated parser, construct an expression tree representing <constraints> from the tokens returned by it.

int TAO_Interpreter::is_empty_string (  const char *    str )  [static, protected]

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Member Data Documentation

TAO_SYNCH_MUTEX TAO_Interpreter::parserMutex__ [static, private]

This mutex protects the <build_tree> method from reentrance.

TAO_Constraint* TAO_Interpreter::root_ [protected]

The root of the expression tree, not equal to null if build_tree successfully builds a tree from the constraints.

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The documentation for this class was generated from the following files:

• Interpreter.h
• Interpreter.cpp

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