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:

Collaboration diagram for TAO_Interpreter:

Protected Member Functions
	TAO_Interpreter ()
	Constructor.
	~TAO_Interpreter ()
	Destructor.
int	build_tree (const char *preferences)

Static Protected Member Functions
static int	is_empty_string (const char *str)

Protected Attributes
TAO_Constraint *	root_

Static Private Attributes
static TAO_SYNCH_MUTEX	parserMutex__
	This mutex protects the <build_tree> method from reentrance.

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.

Constructor & Destructor Documentation

TAO_Interpreter()

TAO_Interpreter::TAO_Interpreter ( )

protected

Constructor.

~TAO_Interpreter()

TAO_Interpreter::~TAO_Interpreter ( )

protected

Destructor.

Member Function Documentation

build_tree()

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.

is_empty_string()

int TAO_Interpreter::is_empty_string ( const char * str )

staticprotected

Member Data Documentation

parserMutex__

TAO_SYNCH_MUTEX TAO_Interpreter::parserMutex__

staticprivate

This mutex protects the <build_tree> method from reentrance.

root_

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