org.matheclipse.core.parser

Class ExprParser

java.lang.Object

org.matheclipse.core.parser.ExprScanner

org.matheclipse.core.parser.ExprParser

public class ExprParser
extends ExprScanner

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

Modifier and Type	Field and Description
static ISymbol	DERIVATIVE

Fields inherited from class org.matheclipse.core.parser.ExprScanner

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

Constructor Summary

Constructors

Constructor and Description
ExprParser(EvalEngine engine)
ExprParser(EvalEngine engine, boolean relaxedSyntax)
ExprParser(EvalEngine engine, boolean relaxedSyntax, boolean packageMode)
ExprParser(EvalEngine engine, IExprParserFactory factory, boolean relaxedSyntax)
ExprParser(EvalEngine engine, IExprParserFactory factory, boolean relaxedSyntax, boolean packageMode)

Method Summary

Modifier and Type	Method and Description
IExprParserFactory	getFactory()
IExpr	parse(java.lang.String expression) Parse the given expression String into an IExpr.
java.util.List<IExpr>	parsePackage(java.lang.String expression)
void	setFactory(IExprParserFactory factory)

Methods inherited from class org.matheclipse.core.parser.ExprScanner

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

Methods inherited from class java.lang.Object

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

Field Detail

DERIVATIVE

public static final ISymbol DERIVATIVE

Constructor Detail

ExprParser

public ExprParser(EvalEngine engine)

ExprParser

public ExprParser(EvalEngine engine,
                  boolean relaxedSyntax)
           throws SyntaxError

Parameters:

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

Throws:

SyntaxError

ExprParser

public ExprParser(EvalEngine engine,
                  boolean relaxedSyntax,
                  boolean packageMode)
           throws SyntaxError

Throws:

SyntaxError

ExprParser

public ExprParser(EvalEngine engine,
                  IExprParserFactory factory,
                  boolean relaxedSyntax)
           throws SyntaxError

Parameters:

factory -

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

Throws:

SyntaxError

ExprParser

public ExprParser(EvalEngine engine,
                  IExprParserFactory factory,
                  boolean relaxedSyntax,
                  boolean packageMode)
           throws SyntaxError

Throws:

SyntaxError

Method Detail

setFactory

public void setFactory(IExprParserFactory factory)

getFactory

public IExprParserFactory getFactory()

parse

public IExpr parse(java.lang.String expression)
            throws SyntaxError

Parse the given expression String into an IExpr.

Parameters:

expression - a formula string which should be parsed.

Returns:

the parsed IExpr representation of the given formula string

Throws:

SyntaxError

parsePackage

public java.util.List<IExpr> parsePackage(java.lang.String expression)
                                   throws SyntaxError

Throws:

SyntaxError