edu.ufl.hcs.ppw.pdm.highlevel.ExpressionParser Class Reference

Class to parse simple expressions. More...

List of all members.

Classes
class	ParseNode
	Inner class for parse tree. More...
Public Member Functions
	ExpressionParser (SimpleTokenizer tokenizer)
void	init (String s)
	Initializes the parse to input s.
void	parse () throws EvaluationException
	Parses the stream in tok.
ParseNode	getParseRoot ()
	Gets the parse tree.
Static Public Member Functions
static void	main (String[] args)
Package Functions
void	readNextToken () throws EvaluationException
void	advance () throws EvaluationException
void	checkDone () throws EvaluationException
ParseNode	parseA () throws EvaluationException
	Toplevel parse function.
ParseNode	parseB () throws EvaluationException
ParseNode	parseC () throws EvaluationException
void	test (String input)
Package Attributes
ParseNode	root
SimpleTokenizer	tokenizer
SimpleTokenizer.Token	current
SimpleTokenizer.Token	next

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Detailed Description

Class to parse simple expressions.

Author:

Adam leko

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Member Function Documentation

ParseNode edu.ufl.hcs.ppw.pdm.highlevel.ExpressionParser.parseA

(

)

throws EvaluationException [package]

Toplevel parse function.

LL(1) grammar: A: B A1 A1: null | + B A1 | - B A1

B: C B1 B1: null | * C B1 | / C B1

C: ID | INT | ( A )

Referenced by edu.ufl.hcs.ppw.pdm.highlevel.ExpressionParser.parse().

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

• javasrc/src/edu/ufl/hcs/ppw/pdm/highlevel/ExpressionParser.java