org.matheclipse.parser.client.ast

Interface IParserFactory

All Known Implementing Classes:

ASTNodeFactory

public interface IParserFactory

Factory for creating the ASTNodes from the parser.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_OPERATOR_CHARACTERS The default set of characters, which could form an operator.

Method Summary

Modifier and Type	Method and Description
FunctionNode	createAST(ASTNode headExpr) Creates a new function with no arguments from the given header expression .
ASTNode	createDouble(String doubleString) Create an double node from the given double value string.
FractionNode	createFraction(IntegerNode numerator, IntegerNode denominator) Create a "fractional" number.
FunctionNode	createFunction(SymbolNode head) Creates a new function with head head and 0 arguments.
FunctionNode	createFunction(SymbolNode head, ASTNode arg0) Creates a new function with head head and 1 argument.
FunctionNode	createFunction(SymbolNode head, ASTNode arg0, ASTNode arg1) Creates a new function with head head and 2 arguments.
IntegerNode	createInteger(int integerValue) Create an integer node from the given value.
IntegerNode	createInteger(String integerString, int numberFormat) Create an integer node from the given string.
PatternNode	createPattern(SymbolNode patternName, ASTNode check) Create a pattern from the given symbol node.
StringNode	createString(StringBuffer buffer) Create a string node from the scanned double quoted string.
SymbolNode	createSymbol(String symbolName) Create a symbol from the scanned identifier string.
Operator	get(String identifier) Get the operator for a given identifier string like Times, Plus, Sin,...
Map<String,Operator>	getIdentifier2OperatorMap() Get the identifier to operator map.
Map<String,ArrayList<Operator>>	getOperator2ListMap() Get the operator-string to possible operator-list map.
String	getOperatorCharacters() The set of characters, which could form an operator.
List<Operator>	getOperatorList(String operatorString) Get the operator-list for a given operator-string.
boolean	isValidIdentifier(String identifier) Check if the identifier name is valid.

Field Detail

DEFAULT_OPERATOR_CHARACTERS

static final String DEFAULT_OPERATOR_CHARACTERS

The default set of characters, which could form an operator.

See Also:

Constant Field Values

Method Detail

getOperatorCharacters

String getOperatorCharacters()

The set of characters, which could form an operator.

Returns:

the operator characters

getIdentifier2OperatorMap

Map<String,Operator> getIdentifier2OperatorMap()

Get the identifier to operator map.

Returns:

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

getOperator2ListMap

Map<String,ArrayList<Operator>> getOperator2ListMap()

Get the operator-string to possible operator-list map.

Returns:

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

get

Operator get(String identifier)

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

Parameters:

identifier - the identifier

Returns:

the operator

getOperatorList

List<Operator> getOperatorList(String operatorString)

Get the operator-list for a given operator-string.

Parameters:

operatorString - the operator string

Returns:

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

createFunction

FunctionNode createFunction(SymbolNode head)

Creates a new function with head head and 0 arguments.

Parameters:

head - the head

Returns:

the function node

createFunction

FunctionNode createFunction(SymbolNode head,
                            ASTNode arg0)

Creates a new function with head head and 1 argument.

Parameters:

head - the head

arg0 - the arg 0

Returns:

the function node

createFunction

FunctionNode createFunction(SymbolNode head,
                            ASTNode arg0,
                            ASTNode arg1)

Creates a new function with head head and 2 arguments.

Parameters:

head - the head

arg0 - the arg 0

arg1 - the arg 1

Returns:

the function node

createAST

FunctionNode createAST(ASTNode headExpr)

Creates a new function with no arguments from the given header expression .

Parameters:

headExpr - the head expr

Returns:

the function node

createDouble

ASTNode createDouble(String doubleString)

Create an double node from the given double value string.

Parameters:

doubleString - the double string

Returns:

the AST node

createInteger

IntegerNode createInteger(String integerString,
                          int numberFormat)

Create an integer node from the given string.

Parameters:

integerString - the integer number represented as a String

numberFormat - the format of the number (usually 10)

Returns:

IInteger

createInteger

IntegerNode createInteger(int integerValue)

Create an integer node from the given value.

Parameters:

integerValue - the integer number's value

Returns:

IInteger

createFraction

FractionNode createFraction(IntegerNode numerator,
                            IntegerNode denominator)

Create a "fractional" number.

Parameters:

numerator - numerator of the fractional number

denominator - denominator of the fractional number

Returns:

IFraction

createPattern

PatternNode createPattern(SymbolNode patternName,
                          ASTNode check)

Create a pattern from the given symbol node.

Parameters:

patternName - the pattern name

check - the check

Returns:

Object

createString

StringNode createString(StringBuffer buffer)

Create a string node from the scanned double quoted string.

Parameters:

buffer - the buffer

Returns:

the string node

createSymbol

SymbolNode createSymbol(String symbolName)

Create a symbol from the scanned identifier string.

Parameters:

symbolName - the symbol name

Returns:

the symbol node

isValidIdentifier

boolean isValidIdentifier(String identifier)

Check if the identifier name is valid.

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