Index (SLogo API (including private classes))

A B C D E F G H I J K L M N O P Q R S T U V W

A

add(Instruction) - Method in class slogo.instruction.StrictInstructionList: Add an instruction to this list (FIFO order for execution).
add(String, Object) - Method in class slogo.TurtleContext
Addition - Class in slogo.expression: Represents a + b, the addition of two expressions
Addition(Expression, Expression) - Constructor for class slogo.expression.Addition: Represents an addition
addTurtleListener(TurtleListener) - Method in class jturtle.JTurtle: Add a listener.
APOSTROPHE - Static variable in class slogo.CharConsts
Assignment - Class in slogo.instruction: An assignment instruction assigns an expression to a variable, updating the global state to reflect the assignment.
Assignment(Variable, Expression) - Constructor for class slogo.instruction.Assignment: Construct an Assignment instruction from a variable and an expression, e.g., X = expression.
AssignmentParser - Class in slogo.parser: Parse an assignment statement, which looks like <id> <assignment_token, i.e., = > <expression>
AssignmentParser() - Constructor for class slogo.parser.AssignmentParser
AssignmentToken - Class in slogo.parser.token: Represents the assignment token ("=")
AssignmentToken() - Constructor for class slogo.parser.token.AssignmentToken
AT - Static variable in class slogo.CharConsts

B

BACK_SLASH - Static variable in class slogo.CharConsts
BANG - Static variable in class slogo.CharConsts
BinaryExpression - Class in slogo.expression: The base class of any binary expression, e.g., a + b, a - b, or, in future use, a < b and so on.
BinaryExpression(Expression, Expression) - Constructor for class slogo.expression.BinaryExpression: construct a binary expression from two subexpressions

C

CARET - Static variable in class slogo.CharConsts
caretEnd - Variable in class slogo.LanguageProcessor
caretStart - Variable in class slogo.LanguageProcessor
CharConsts - Class in slogo: Symbolic names for character constants
CharConsts() - Constructor for class slogo.CharConsts
CharToken - Class in slogo.parser.token: A token represented by a single character, e.g., '*', ';', '[' and so on; the method equals compares a CharToken as equal to another CharToken encapsulating the same character.
CharToken(int) - Constructor for class slogo.parser.token.CharToken: package only constructor
CharTokenFactory - Class in slogo.parser.token: Factory for generating CharToken objects ensuring that only one of any specific CharToken object is created (enforcing CharToken singleton-ness per char value)
CharTokenFactory() - Constructor for class slogo.parser.token.CharTokenFactory
COMMA - Static variable in class slogo.CharConsts
compareTo(Variable) - Method in class slogo.expression.Variable: Compare the variables by their names.
Context - Interface in slogo: Context is a hook for implementing language features that require an environment for evaluation.

D

description - Variable in exception slogo.parser.ParseException
Division - Class in slogo.expression: Represents a / b, the division of two expressions
Division(Expression, Expression) - Constructor for class slogo.expression.Division: Represents a division
doCommand() - Method in class jturtle.TurtleField
DOLLAR - Static variable in class slogo.CharConsts
doSteps() - Method in class jturtle.TurtleField: Make the turtle take some steps.
draw(Graphics) - Method in class jturtle.JTurtle: Draw the turtle, pass in a Graphics2D object.
draw() - Method in class jturtle.TurtleField.BufferedPanel
draw() - Method in class jturtle.TurtleField.DrawingPanel

E

EOFToken - Class in slogo.parser.token: This represents an end-of-file token Uses the singleton pattern since there's no reason to have more than one such token.
EOFToken() - Constructor for class slogo.parser.token.EOFToken
EOLToken - Class in slogo.parser.token: This represents an end-of-line token Uses the singleton pattern since there's no reason to have more than one such token.
EOLToken() - Constructor for class slogo.parser.token.EOLToken
EQUAL - Static variable in class slogo.CharConsts
equals(Object) - Method in class slogo.expression.Variable: Determines equality based on the Variable's name
equals(Object) - Method in class slogo.parser.token.CharToken
equals(CharToken) - Method in class slogo.parser.token.CharToken
equals(Object) - Method in class slogo.parser.token.EOFToken
equals(Object) - Method in class slogo.parser.token.EOLToken
equals(Object) - Method in class slogo.parser.token.IdentifierToken: Determines if the other object is an IdentifierToken with the same id
equals(IdentifierToken) - Method in class slogo.parser.token.IdentifierToken
equals(Object) - Method in class slogo.parser.token.NumberToken
equals(NumberToken) - Method in class slogo.parser.token.NumberToken
equals(Object) - Method in class slogo.parser.token.ReservedToken: Determines equality by if these are both ReservedTokens with the same value.
equals(Object) - Method in class slogo.parser.token.VariableToken
equals(VariableToken) - Method in class slogo.parser.token.VariableToken
EqualToken - Class in slogo.parser.token: Represents = token
EqualToken() - Constructor for class slogo.parser.token.EqualToken
error(Token) - Method in class slogo.parser.SLogoParser
evaluate(Context) - Method in class slogo.expression.Expression: uses the hook/template method value to return a Double
evaluate(Context) - Method in class slogo.GrammarElement: Evaluate this language construct in some context.
evaluate(Context) - Method in class slogo.instruction.Assignment: Evaluate the expression that's part of this instruction and update a global map/store to record the assignment of the expression to the variable.
evaluate(Context) - Method in class slogo.instruction.FD: Evaluate this instruction in a Context.
evaluate(Context) - Method in class slogo.instruction.Forward: Evaluate this instruction in a Context.
evaluate(Context) - Method in class slogo.instruction.Instruction
evaluate(Context) - Method in class slogo.instruction.Print: Evaluate the expression and println it.
evaluate(Context) - Method in class slogo.instruction.Repeat: Evaluate this instruction in a Context.
evaluate(Context) - Method in class slogo.instruction.Right: Evaluate this instruction in a Context.
evaluate(Context) - Method in class slogo.instruction.StrictInstructionList: Evaluate this instruction in a Context, return the result of the evaluation (the result is the last instruction executed).
Expression - Class in slogo.expression: The base class of all arithmetic expressions, the evaluate method uses the hook/template method value to return a Double value, the template method returns a double.
Expression() - Constructor for class slogo.expression.Expression
ExpressionParser - Class in slogo.parser: This is a recursive descent parser for parsing expressions using the standard grammar for expressions (follows).
ExpressionParser() - Constructor for class slogo.parser.ExpressionParser: Parse expressions from a parser

F

FD - Class in slogo.instruction
FD(Expression) - Constructor for class slogo.instruction.FD: Constructs a FD instruction that can be executed.
FDExpression - Variable in class slogo.instruction.FD
FDParser - Class in slogo.parser: Parse a FORWARD Statement, which looks like FORWARD numOrVar [ instructionlist ]
FDParser() - Constructor for class slogo.parser.FDParser
FDToken - Class in slogo.parser.token
FDToken() - Constructor for class slogo.parser.token.FDToken
Filter - Class in slogo
Filter() - Constructor for class slogo.Filter
Forward - Class in slogo.instruction
Forward(Expression) - Constructor for class slogo.instruction.Forward: Constructs a Repeat instruction that can be executed.
forwardExpression - Variable in class slogo.instruction.Forward
ForwardParser - Class in slogo.parser: Parse a FORWARD Statement, which looks like FORWARD numOrVar [ instructionlist ]
ForwardParser() - Constructor for class slogo.parser.ForwardParser
ForwardToken - Class in slogo.parser.token
ForwardToken() - Constructor for class slogo.parser.token.ForwardToken

G

gelementsToValue - Static variable in class slogo.GrammarElement
getBounds(Rectangle) - Method in class jturtle.JTurtle: Mirrors the functionality of JComponent/Component.
getHeading() - Method in class jturtle.JTurtle: Returns the naive view of heading, 0 degrees = north
getInstance() - Static method in class slogo.expression.VariableFactory: There should only be one VariableFactory
getInstance() - Static method in class slogo.parser.ExpressionParser
getInstance() - Static method in class slogo.parser.InstructionParser
getInstance() - Static method in class slogo.parser.StrictInstructionListParser
getInstance() - Static method in class slogo.parser.token.EOFToken
getInstance() - Static method in class slogo.parser.token.EOLToken
getMoveSize() - Method in class jturtle.TurtleField: Returns step size as currently selected.
getNames() - Static method in class slogo.parser.InstructionNames
getPoint() - Method in class jturtle.JTurtle: Returns the turtle's point (should be centroid)
getToken() - Method in class slogo.parser.SLogoParser: returns the current token, doesn't fetch a new one
getToken(int) - Static method in class slogo.parser.token.CharTokenFactory
getVariable(IdentifierToken) - Static method in class slogo.expression.VariableFactory: Determines the variable represented by the given id
GrammarElement - Class in slogo: All elements of the SLogo language (e.g., that make up an abstract syntax tree) should extend GrammarElement.
GrammarElement() - Constructor for class slogo.GrammarElement
GREATER_THAN - Static variable in class slogo.CharConsts

H

HEIGHT - Static variable in class jturtle.JTurtle

I

id - Variable in class slogo.parser.token.IdentifierToken
IdentifierParser - Class in slogo.parser: Parser for identifiers
IdentifierParser() - Constructor for class slogo.parser.IdentifierParser
IdentifierToken - Class in slogo.parser.token: Represents an identifier (a variable name)
IdentifierToken() - Constructor for class slogo.parser.token.IdentifierToken
IdentifierToken(String) - Constructor for class slogo.parser.token.IdentifierToken
ImageRenderer - Class in jturtle
ImageRenderer(Image) - Constructor for class jturtle.ImageRenderer
init() - Method in class jturtle.TurtleField.CommandFrame
init() - Method in class jturtle.TurtleField
initialize() - Static method in class slogo.parser.InstructionNames: initialize the class by reading the instructions from a property file
insertString(DocumentFilter.FilterBypass, int, String, AttributeSet) - Method in class slogo.Filter
Instruction - Class in slogo.instruction: Represents an instruction in the SLogo language
Instruction() - Constructor for class slogo.instruction.Instruction
InstructionChecker - Class in slogo.parser
InstructionChecker() - Constructor for class slogo.parser.InstructionChecker
instructionList - Variable in class slogo.instruction.Repeat
InstructionNames - Class in slogo.parser: Reads the file of instruction names.
InstructionNames() - Constructor for class slogo.parser.InstructionNames
InstructionParser - Class in slogo.parser: Instruction Parser - calls appropriate Parser for each Instruction
InstructionParser() - Constructor for class slogo.parser.InstructionParser: Create the InstructionParser--generates a map of classes to parsers
instructions - Static variable in class slogo.parser.InstructionNames
isAddOrSubtractToken(Token) - Method in class slogo.parser.ExpressionParser
isMultOrDivToken(Token) - Method in class slogo.parser.ExpressionParser
iterator() - Method in class slogo.instruction.StrictInstructionList: Return an iterator for accessing all the instructions.

J

jturtle - package jturtle
JTurtle - Class in jturtle: This class is a simple MoboLogo/Slogo turtle model for illustrating rudimentary MVC for turtles and simple Graphics2D concepts
JTurtle() - Constructor for class jturtle.JTurtle: Create a turtle using the default (triangle) image.
JTurtle(Image) - Constructor for class jturtle.JTurtle: Creates a turtle using the given image
JTurtle(Renderer) - Constructor for class jturtle.JTurtle

K

keyPressed(KeyEvent) - Method in class jturtle.TurtleField.CommandFrame
keyReleased(KeyEvent) - Method in class jturtle.TurtleField.CommandFrame
keyTyped(KeyEvent) - Method in class jturtle.TurtleField.CommandFrame

L

LanguageProcessor - Class in slogo
LanguageProcessor(SLogoParser) - Constructor for class slogo.LanguageProcessor
LEFT_BRACE - Static variable in class slogo.CharConsts
LEFT_BRACKET - Static variable in class slogo.CharConsts
LEFT_PAREN - Static variable in class slogo.CharConsts
LeftBracketToken - Class in slogo.parser.token: Represents a left bracket
LeftBracketToken() - Constructor for class slogo.parser.token.LeftBracketToken
LeftParenToken - Class in slogo.parser.token: Represents a left parenthesis
LeftParenToken() - Constructor for class slogo.parser.token.LeftParenToken
leftValue(Context) - Method in class slogo.expression.BinaryExpression
LESS_THAN - Static variable in class slogo.CharConsts

M

main(String[]) - Static method in class jturtle.TurtleField
main(String[]) - Static method in class slogo.parser.SLogoParser: Basic driver for SLogoParser
MAIN_TURTLE_NAME - Static variable in class jturtle.TurtleField
MAIN_TURTLE_NAME - Static variable in interface slogo.Context
makeDashBoard(JPanel) - Method in class jturtle.TurtleField: Where turtle info is displayed
makeImage(String, Component) - Method in class jturtle.TurtleField
makeSlider(JPanel) - Method in class jturtle.TurtleField: make a slider to set the turtle's heading
makeTextArea() - Method in class jturtle.TurtleField
makeTextField() - Method in class jturtle.TurtleField
match(Token) - Method in class slogo.parser.SLogoParser: try to match a token, if unsuccessful throw an exception, otherwise match succeeds, and next token is obtained and returned
MINUS - Static variable in class slogo.CharConsts
MinusToken - Class in slogo.parser.token: Represents a minus sign
MinusToken() - Constructor for class slogo.parser.token.MinusToken
MOD - Static variable in class slogo.CharConsts
move(int) - Method in class jturtle.JTurtle: Moves the turtle forward.
Multiplication - Class in slogo.expression: Represents a x b, the multiplication of two expressions
Multiplication(Expression, Expression) - Constructor for class slogo.expression.Multiplication: Represents a multiplication
myAngle - Variable in class jturtle.TurtleField
myBoundingBox - Variable in class jturtle.TurtleField.BufferedPanel
myContext - Variable in class jturtle.TurtleField
myContext - Variable in class slogo.parser.SLogoParser
myDisplay - Variable in class jturtle.TurtleField
myExpression - Variable in class slogo.expression.UnaryExpression
myExpression - Variable in class slogo.instruction.Assignment
myExpression - Variable in class slogo.instruction.Print
myFilter - Variable in class slogo.LanguageProcessor
myFont - Variable in class jturtle.TurtleField
myHeading - Variable in class jturtle.JTurtle
myImage - Variable in class jturtle.ImageRenderer
myInstructionList - Variable in class slogo.instruction.StrictInstructionList
myLeft - Variable in class slogo.expression.BinaryExpression
myListeners - Variable in class jturtle.JTurtle
myName - Variable in class slogo.expression.Variable
myNextPoint - Variable in class jturtle.JTurtle
myParser - Variable in class jturtle.TurtleField
myParser - Variable in class slogo.LanguageProcessor
myParser - Variable in class slogo.parser.ExpressionParser
myParserMap - Variable in class slogo.parser.InstructionParser
myPoint - Variable in class jturtle.JTurtle
myProcessor - Variable in class jturtle.TurtleField
myRenderer - Variable in class jturtle.JTurtle
myReservedValue - Variable in class slogo.parser.token.ReservedToken
myRight - Variable in class slogo.expression.BinaryExpression
myShape - Variable in class jturtle.PolyRenderer
myStepSize - Variable in class jturtle.TurtleField
mySymbol - Variable in class slogo.expression.BinaryExpression
myText - Variable in class jturtle.TurtleField.CommandFrame
myText - Variable in class jturtle.TurtleField
myToken - Variable in class slogo.parser.SLogoParser
myTokenizer - Variable in class slogo.parser.SLogoParser
myTurtle - Variable in class jturtle.TurtleField
myValue - Variable in class slogo.expression.Number
myValue - Variable in class slogo.parser.token.CharToken
myValue - Variable in class slogo.parser.token.NumberToken
myValue - Variable in class slogo.parser.token.VariableToken
myVariable - Variable in class slogo.instruction.Assignment
myXPoint - Variable in class jturtle.TurtleField
myYPoint - Variable in class jturtle.TurtleField

N

Negation - Class in slogo.expression: Represents unary minus, e.g., -expression
Negation(Expression) - Constructor for class slogo.expression.Negation: Represents a negation
nextToken() - Method in class slogo.parser.SLogoParser: get the next token and store it for retrieval by getToken()
notifyListeners() - Method in class jturtle.JTurtle: Ask all registered listeners to process this turtle
Number - Class in slogo.expression: Represents a number
Number(double) - Constructor for class slogo.expression.Number: Represents a number
NumberToken - Class in slogo.parser.token: Represents a number (using doubles).
NumberToken(double) - Constructor for class slogo.parser.token.NumberToken: Constructs a token representing value

O

ourInstance - Static variable in class slogo.expression.VariableFactory
ourInstance - Static variable in class slogo.parser.ExpressionParser
ourInstance - Static variable in class slogo.parser.InstructionParser
ourInstance - Static variable in class slogo.parser.StrictInstructionListParser
ourInstance - Static variable in class slogo.parser.token.EOFToken
ourInstance - Static variable in class slogo.parser.token.EOLToken

P

paint(Graphics2D) - Method in class jturtle.ImageRenderer
paint(Graphics2D) - Method in class jturtle.PolyRenderer
paint(Graphics2D) - Method in class jturtle.Renderer
paintTrail(Graphics) - Method in class jturtle.JTurtle
parse(SLogoParser) - Method in class slogo.parser.AssignmentParser: parses an assignment statement, which looks like id = expression
parse(SLogoParser) - Method in class slogo.parser.ExpressionParser: parses the expression with the given parser
parse(SLogoParser) - Method in class slogo.parser.FDParser: Parses a FD instruction
parse(SLogoParser) - Method in class slogo.parser.ForwardParser: Parses a FORWARD instruction
parse(SLogoParser) - Method in class slogo.parser.IdentifierParser: parses an assignment, throws an exception if not in correct format
parse(SLogoParser) - Method in class slogo.parser.InstructionParser: gets the appropriate parser to parse the token
parse(SLogoParser) - Method in interface slogo.parser.Parser
parse(SLogoParser) - Method in class slogo.parser.PrintParser: parses a print instruction
parse(SLogoParser) - Method in class slogo.parser.RepeatParser: Parses a REPEAT instruction
parse(SLogoParser) - Method in class slogo.parser.RightParser: Parses a RIGHT instruction
parse(Reader) - Method in class slogo.parser.SLogoParser: parses an expression and prints the result of evaluating the expression.
parse(SLogoParser) - Method in class slogo.parser.StrictInstructionListParser: Parses the instructions list
parse(StreamTokenizer) - Static method in class slogo.parser.token.TokenFactory
ParseException - Exception in slogo.parser: A specialized exception class for parsing errors
ParseException(String) - Constructor for exception slogo.parser.ParseException
parseExpression() - Method in class slogo.parser.ExpressionParser
parseFactor() - Method in class slogo.parser.ExpressionParser
Parser - Interface in slogo.parser: The interface that all parsers must implement
parseTerm() - Method in class slogo.parser.ExpressionParser
penDown - Variable in class jturtle.JTurtle
PERIOD - Static variable in class slogo.CharConsts
PLUS - Static variable in class slogo.CharConsts
PlusToken - Class in slogo.parser.token: Represents a plus sign
PlusToken() - Constructor for class slogo.parser.token.PlusToken
PolyRenderer - Class in jturtle
PolyRenderer() - Constructor for class jturtle.PolyRenderer
Print - Class in slogo.instruction: The Print instruction prints an expression.
Print(Expression) - Constructor for class slogo.instruction.Print: Represents a Print expression
PrintParser - Class in slogo.parser: The parser for the print instruction
PrintParser() - Constructor for class slogo.parser.PrintParser
PrintToken - Class in slogo.parser.token: Represents the PRINT instruction token
PrintToken() - Constructor for class slogo.parser.token.PrintToken
Process(JTextArea) - Method in class slogo.LanguageProcessor
processTurtle(JTurtle) - Method in class jturtle.TurtleField: Process a (changed) turtle, display properties and redraw.
processTurtle(JTurtle) - Method in interface jturtle.TurtleListener
promptPosition - Variable in class slogo.Filter
PROPFILE - Static variable in class slogo.parser.InstructionNames

Q

QUESTION - Static variable in class slogo.CharConsts
QUOTE - Static variable in class slogo.CharConsts

R

remove(DocumentFilter.FilterBypass, int, int) - Method in class slogo.Filter
Renderer - Class in jturtle
Renderer() - Constructor for class jturtle.Renderer
Repeat - Class in slogo.instruction: An AST (abstract syntax tree) for a SLogo REPEAT instruction.
Repeat(Expression, StrictInstructionList) - Constructor for class slogo.instruction.Repeat: Constructs a Repeat instruction that can be executed.
repeatExpression - Variable in class slogo.instruction.Repeat
RepeatParser - Class in slogo.parser: Parse a REPEAT Statement, which looks like REPEAT numOrVar [ instructionlist ]
RepeatParser() - Constructor for class slogo.parser.RepeatParser
RepeatToken - Class in slogo.parser.token: Represents a REPEAT instruction token
RepeatToken() - Constructor for class slogo.parser.token.RepeatToken
replace(DocumentFilter.FilterBypass, int, int, String, AttributeSet) - Method in class slogo.Filter
ReservedToken - Class in slogo.parser.token: Represents a reserved word
ReservedToken(String) - Constructor for class slogo.parser.token.ReservedToken
reset() - Method in class jturtle.JTurtle: Reposition turtle at the origin, facing north.
Right - Class in slogo.instruction
Right(Expression) - Constructor for class slogo.instruction.Right: Constructs a Right instruction that can be executed.
RIGHT_BRACE - Static variable in class slogo.CharConsts
RIGHT_BRACKET - Static variable in class slogo.CharConsts
RIGHT_PAREN - Static variable in class slogo.CharConsts
RightBracketToken - Class in slogo.parser.token: Represents a right bracket
RightBracketToken() - Constructor for class slogo.parser.token.RightBracketToken
rightExpression - Variable in class slogo.instruction.Right
RightParenToken - Class in slogo.parser.token: Represents a right parenthesis
RightParenToken() - Constructor for class slogo.parser.token.RightParenToken
RightParser - Class in slogo.parser: Parse a RIGHT Statement, which looks like RIGHT numOrVar
RightParser() - Constructor for class slogo.parser.RightParser
RightToken - Class in slogo.parser.token
RightToken() - Constructor for class slogo.parser.token.RightToken
rightValue(Context) - Method in class slogo.expression.BinaryExpression

S

SEMI_COLON - Static variable in class slogo.CharConsts
serialVersionUID - Static variable in class jturtle.TurtleField.BufferedPanel
serialVersionUID - Static variable in class jturtle.TurtleField.DrawingPanel
setHeading(int) - Method in class jturtle.JTurtle: Set heading in degrees, notify listeners.
setHeading(double) - Method in class jturtle.JTurtle: Set heading in radians, notify listeners.
setPoint(Point2D) - Method in class jturtle.JTurtle: Sets the turtles point, notifies listeners.
setPromptPosition(int) - Method in class slogo.Filter
setTurtle(JTurtle) - Method in class jturtle.TurtleField
setup(JTextArea) - Method in class slogo.LanguageProcessor
showAngle(int) - Method in class jturtle.TurtleField: Display (Turtle's) angle
showPoint(Point2D) - Method in class jturtle.TurtleField: display Turtle's point information
SLASH - Static variable in class slogo.CharConsts
SlashToken - Class in slogo.parser.token: Represents a slash
SlashToken() - Constructor for class slogo.parser.token.SlashToken
slogo - package slogo
slogo.expression - package slogo.expression
slogo.instruction - package slogo.instruction
slogo.parser - package slogo.parser: This package is responsible for parsing the language SLogo.
slogo.parser.token - package slogo.parser.token
SLogoParser - Class in slogo.parser: Illustrates the java.io.StreamTokenizer class and how it can be used to parse tokens for a subset of the SLogo programming language.
SLogoParser(Context) - Constructor for class slogo.parser.SLogoParser
STAR - Static variable in class slogo.CharConsts
START_X - Static variable in class jturtle.JTurtle
START_Y - Static variable in class jturtle.JTurtle
StarToken - Class in slogo.parser.token: Represents an asterisk token
StarToken() - Constructor for class slogo.parser.token.StarToken
StrictInstructionList - Class in slogo.instruction: A list of instructions that doesn't include a function definition.
StrictInstructionList() - Constructor for class slogo.instruction.StrictInstructionList: Construct an empty list of instructions.
StrictInstructionListParser - Class in slogo.parser: The parser for lists of instructions.
StrictInstructionListParser() - Constructor for class slogo.parser.StrictInstructionListParser
Subtraction - Class in slogo.expression: Represents a subtraction (e.g., lhs - rhs)
Subtraction(Expression, Expression) - Constructor for class slogo.expression.Subtraction: Represents a subtraction

T

TILDE - Static variable in class slogo.CharConsts
Token - Interface in slogo.parser.token: currently this is a flag interface
TokenFactory - Class in slogo.parser.token: Parses a stream into tokens
TokenFactory() - Constructor for class slogo.parser.token.TokenFactory
tokenList - Static variable in class slogo.parser.token.CharTokenFactory
tokenNameToToken - Static variable in class slogo.parser.token.TokenFactory
toString() - Method in class slogo.expression.BinaryExpression: Combine left/right subexpressions, return result using symbol as the combiner/juxtaposer for the subexpressions.
toString() - Method in class slogo.expression.Negation: Format -expression
toString() - Method in class slogo.expression.Number
toString() - Method in class slogo.expression.UnaryExpression
toString() - Method in class slogo.expression.Variable
toString() - Method in class slogo.instruction.Assignment: Returns a String for this instruction.
toString() - Method in class slogo.instruction.FD
toString() - Method in class slogo.instruction.Forward
toString() - Method in class slogo.instruction.Print
toString() - Method in class slogo.instruction.Repeat
toString() - Method in class slogo.instruction.Right
toString() - Method in class slogo.instruction.StrictInstructionList: Return a string indicating the # of instructions in the list
toString() - Method in exception slogo.parser.ParseException
toString() - Method in class slogo.parser.token.CharToken
toString() - Method in class slogo.parser.token.EOFToken
toString() - Method in class slogo.parser.token.EOLToken
toString() - Method in class slogo.parser.token.IdentifierToken
toString() - Method in class slogo.parser.token.NumberToken
toString() - Method in class slogo.parser.token.ReservedToken
toString() - Method in class slogo.parser.token.VariableToken
trail - Variable in class jturtle.JTurtle
trueHeading() - Method in class jturtle.JTurtle: Return the real/true heading of the turtle.
TurtleContext - Class in slogo
TurtleContext() - Constructor for class slogo.TurtleContext
turtleDict - Variable in class slogo.TurtleContext
TurtleField - Class in jturtle: Rudimentary view showing turtles and MVC.
TurtleField(String) - Constructor for class jturtle.TurtleField: Creates a view of the turtle, given by the name of the turtle image
TurtleField() - Constructor for class jturtle.TurtleField: Creates a view of the turtle, using the default turtle representation
TurtleField.BufferedPanel - Class in jturtle: Overkill with double buffering on by default, but shows how to do it.
TurtleField.BufferedPanel() - Constructor for class jturtle.TurtleField.BufferedPanel
TurtleField.CommandFrame - Class in jturtle
TurtleField.CommandFrame(JTextArea) - Constructor for class jturtle.TurtleField.CommandFrame
TurtleField.DrawingPanel - Class in jturtle
TurtleField.DrawingPanel() - Constructor for class jturtle.TurtleField.DrawingPanel
TurtleListener - Interface in jturtle: A simple listener interface that listens to changes to the turtle and processes them, as appropriate.

U

UnaryExpression - Class in slogo.expression: Represents a unary expression
UnaryExpression(Expression) - Constructor for class slogo.expression.UnaryExpression: Represents a unary expression
UNDER_SCORE - Static variable in class slogo.CharConsts

V

value(String) - Method in interface slogo.Context: If there are local/global variables, a variable might have a different value depending on the Context, so Contexts should support determining the value of an identifier (this method may be superfluous).
value(Context) - Method in class slogo.expression.Addition
value(Context) - Method in class slogo.expression.Division
value(Context) - Method in class slogo.expression.Expression
value(Context) - Method in class slogo.expression.Multiplication
value(Context) - Method in class slogo.expression.Negation
value(Context) - Method in class slogo.expression.Number
value(Context) - Method in class slogo.expression.Subtraction
value(Context) - Method in class slogo.expression.UnaryExpression
value(Context) - Method in class slogo.expression.Variable
value() - Method in class slogo.parser.token.CharToken
value() - Method in class slogo.parser.token.IdentifierToken
value() - Method in class slogo.parser.token.NumberToken
value() - Method in class slogo.parser.token.ReservedToken
value() - Method in class slogo.parser.token.VariableToken
value(String) - Method in class slogo.TurtleContext
Variable - Class in slogo.expression: A variable stores a value and can be used in an expression.
Variable(String) - Constructor for class slogo.expression.Variable: Represents a variable
VariableFactory - Class in slogo.expression: Clients can use this class to obtain a unique variable per identifier (avoiding a proliferation of objects)
VariableFactory() - Constructor for class slogo.expression.VariableFactory
VariableToken - Class in slogo.parser.token: Represents a variable
VariableToken(String) - Constructor for class slogo.parser.token.VariableToken
varnameToVariable - Static variable in class slogo.expression.VariableFactory

W

WIDTH - Static variable in class jturtle.JTurtle

A B C D E F G H I J K L M N O P Q R S T U V W