org.matheclipse.core.parser

Class ExprParserFactory

java.lang.Object

org.matheclipse.core.parser.ExprParserFactory

All Implemented Interfaces:

IExprParserFactory

public class ExprParserFactory
extends java.lang.Object
implements IExprParserFactory

Field Summary

Fields

Modifier and Type	Field and Description
static int	DIVIDE_PRECEDENCE
static ExprParserFactory	MMA_STYLE_FACTORY
static int	PLUS_PRECEDENCE
static int	POWER_PRECEDENCE
static ExprParserFactory	RELAXED_STYLE_FACTORY
static int	TIMES_PRECEDENCE

Fields inherited from interface org.matheclipse.core.parser.IExprParserFactory

DEFAULT_OPERATOR_CHARACTERS

Constructor Summary

Constructors

Constructor and Description
ExprParserFactory() Create a default ASTNode factory

Method Summary

Modifier and Type	Method and Description
static void	addOperator(java.util.Map<java.lang.String,AbstractExprOperator> operatorMap, java.util.Map<java.lang.String,java.util.ArrayList<AbstractExprOperator>> operatorTokenStartSet, java.lang.String operatorStr, java.lang.String headStr, AbstractExprOperator oper)
static InfixExprOperator	createInfixOperator(java.lang.String operatorStr, java.lang.String headStr, int precedence, int grouping)
static PostfixExprOperator	createPostfixOperator(java.lang.String operatorStr, java.lang.String headStr, int precedence)
static PrefixExprOperator	createPrefixOperator(java.lang.String operatorStr, java.lang.String headStr, int precedence)
AbstractExprOperator	get(java.lang.String identifier) Get the operator for a given identifier string like Times, Plus, Sin,...
java.util.Map<java.lang.String,AbstractExprOperator>	getIdentifier2OperatorMap() public Map getIdentifier2OperatorMap()
java.util.Map<java.lang.String,java.util.ArrayList<AbstractExprOperator>>	getOperator2ListMap() Get the operator-string to possible operator-list map
java.lang.String	getOperatorCharacters() The set of characters, which could form an operator
java.util.List<AbstractExprOperator>	getOperatorList(java.lang.String key) Get the operator-list for a given operator-string
boolean	isValidIdentifier(java.lang.String identifier) Check if the identifier name is valid.

Methods inherited from class java.lang.Object

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

Field Detail

PLUS_PRECEDENCE

public static final int PLUS_PRECEDENCE

See Also:

Constant Field Values

TIMES_PRECEDENCE

public static final int TIMES_PRECEDENCE

See Also:

Constant Field Values

DIVIDE_PRECEDENCE

public static final int DIVIDE_PRECEDENCE

See Also:

Constant Field Values

POWER_PRECEDENCE

public static final int POWER_PRECEDENCE

See Also:

Constant Field Values

MMA_STYLE_FACTORY

public static final ExprParserFactory MMA_STYLE_FACTORY

RELAXED_STYLE_FACTORY

public static final ExprParserFactory RELAXED_STYLE_FACTORY

Constructor Detail

ExprParserFactory

public ExprParserFactory()

Create a default ASTNode factory

Method Detail

addOperator

public static void addOperator(java.util.Map<java.lang.String,AbstractExprOperator> operatorMap,
                               java.util.Map<java.lang.String,java.util.ArrayList<AbstractExprOperator>> operatorTokenStartSet,
                               java.lang.String operatorStr,
                               java.lang.String headStr,
                               AbstractExprOperator oper)

getOperatorCharacters

public java.lang.String getOperatorCharacters()

Description copied from interface: IExprParserFactory

The set of characters, which could form an operator

Specified by:

getOperatorCharacters in interface IExprParserFactory

getIdentifier2OperatorMap

public java.util.Map<java.lang.String,AbstractExprOperator> getIdentifier2OperatorMap()

public Map getIdentifier2OperatorMap()

Specified by:

getIdentifier2OperatorMap in interface IExprParserFactory

Returns:

the map which stores the Operators for a given head string like Times, Plus, Sin,...

get

public AbstractExprOperator get(java.lang.String identifier)

Description copied from interface: IExprParserFactory

Get the operator for a given identifier string like Times, Plus, Sin,...

Specified by:

get in interface IExprParserFactory

Returns:

getOperator2ListMap

public java.util.Map<java.lang.String,java.util.ArrayList<AbstractExprOperator>> getOperator2ListMap()

Description copied from interface: IExprParserFactory

Get the operator-string to possible operator-list map

Specified by:

getOperator2ListMap in interface IExprParserFactory

Returns:

the map which stores the operator-list for a given operator string like *, +, ==...

getOperatorList

public java.util.List<AbstractExprOperator> getOperatorList(java.lang.String key)

Description copied from interface: IExprParserFactory

Get the operator-list for a given operator-string

Specified by:

getOperatorList in interface IExprParserFactory

Returns:

the operator-list for a given operator string like *, +, ==...

createInfixOperator

public static InfixExprOperator createInfixOperator(java.lang.String operatorStr,
                                                    java.lang.String headStr,
                                                    int precedence,
                                                    int grouping)

createPrefixOperator

public static PrefixExprOperator createPrefixOperator(java.lang.String operatorStr,
                                                      java.lang.String headStr,
                                                      int precedence)

createPostfixOperator

public static PostfixExprOperator createPostfixOperator(java.lang.String operatorStr,
                                                        java.lang.String headStr,
                                                        int precedence)

isValidIdentifier

public boolean isValidIdentifier(java.lang.String identifier)

Description copied from interface: IExprParserFactory

Check if the identifier name is valid.

Specified by:

isValidIdentifier in interface IExprParserFactory

Parameters:

identifier - the currently parsed identifier

Returns:

false if the identifier is not valid (in this case the parser creates a SyntaxError exception); otherwise return true