Package org.matheclipse.parser.client

Class Parser

java.lang.Object

org.matheclipse.parser.client.Scanner

org.matheclipse.parser.client.Parser

public class Parser
extends Scanner

Create an expression of the ASTNode class-hierarchy from a math formulas string representation See Operator -precedence parser for the idea, how to parse the operators depending on their precedence.

Field Summary

Fields inherited from class org.matheclipse.parser.client.Scanner

fCurrentChar, fCurrentColumnStartPosition, fCurrentPosition, fFactory, fInputString, fOperatorString, fOperList, fToken, numFormat, rowCount, TT_ARGUMENTS_CLOSE, TT_ARGUMENTS_OPEN, TT_BLANK, TT_COMMA, TT_DIGIT, TT_EOF, TT_FLOATING_POINT, TT_IDENTIFIER, TT_LIST_CLOSE, TT_LIST_OPEN, TT_OPERATOR, TT_PARTCLOSE, TT_PARTOPEN, TT_PERCENT, TT_PRECEDENCE_CLOSE, TT_PRECEDENCE_OPEN, TT_SLOT, TT_SLOTSEQUENCE, TT_STRING

Constructor Summary

Constructors

Constructor	Description
Parser()	Instantiates a new parser.
Parser(boolean relaxedSyntax)	Instantiates a new parser.
Parser(org.matheclipse.parser.client.ast.IParserFactory factory, boolean relaxedSyntax)	Instantiates a new parser.

Method Summary

Modifier and Type	Method	Description
org.matheclipse.parser.client.ast.IParserFactory	getFactory()	Gets the factory.
org.matheclipse.parser.client.ast.ASTNode	parse(java.lang.String expression)	Parse the given expression String into an ASTNode.
void	setFactory(org.matheclipse.parser.client.ast.IParserFactory factory)	Sets the factory.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from class org.matheclipse.parser.client.Scanner

getIdentifier, getNextToken, getNumberString, getOperator, getStringBuffer, initialize, throwSyntaxError, throwSyntaxError

Constructor Detail

Parser

public Parser()

Instantiates a new parser.

Parser

public Parser(boolean relaxedSyntax)
       throws SyntaxError

Instantiates a new parser.

Parameters:

relaxedSyntax - if true, use '('...')' as brackets for arguments

Throws:

SyntaxError - the syntax error

Parser

public Parser(org.matheclipse.parser.client.ast.IParserFactory factory,
              boolean relaxedSyntax)
       throws SyntaxError

Instantiates a new parser.

Parameters:

factory - the factory

relaxedSyntax - if true, use '('...')' as brackets for arguments

Throws:

SyntaxError - the syntax error

Method Detail

setFactory

public void setFactory(org.matheclipse.parser.client.ast.IParserFactory factory)

Sets the factory.

Parameters:

factory - the new factory

getFactory

public org.matheclipse.parser.client.ast.IParserFactory getFactory()

Gets the factory.

Returns:

the factory

parse

public org.matheclipse.parser.client.ast.ASTNode parse(java.lang.String expression)
                                                throws SyntaxError

Parse the given expression String into an ASTNode.

Parameters:

expression - a formula string which should be parsed.

Returns:

the parsed ASTNode representation of the given formula string

Throws:

SyntaxError - the syntax error