| Interface | Description |
|---|---|
| Token |
currently this is a flag interface
|
| Class | Description |
|---|---|
| AssignmentToken |
Represents the assignment token ("=")
|
| BackToken | |
| BKToken |
Represents the BK instruction
|
| CharToken |
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.
|
| CharTokenFactory |
Factory for generating CharToken objects ensuring that only one of any
specific CharToken object is created (enforcing CharToken singleton-ness per
char value)
|
| CleanToken | |
| ClearScreenToken | |
| DifferenceToken | |
| EOFToken |
This represents an end-of-file token Uses the singleton pattern since there's
no reason to have more than one such token.
|
| EOLToken |
This represents an end-of-line token.
|
| EqualsToken |
The token for the Equals instruction
|
| EqualToken |
Represents = token
|
| FDToken |
Represents the FD instruction
|
| ForwardToken |
Represents the FORWARD instruction
|
| GreaterToken |
The token for the Greater instruction
|
| HeadingToken |
Represents the XCOR instruction
|
| HomeToken |
Represents the Home instruction
|
| IdentifierToken |
Represents an identifier (a variable name)
|
| IfToken |
Represents the IF instruction
|
| LeftBracketToken |
Represents a left bracket
|
| LeftParenToken |
Represents a left parenthesis
|
| LeftToken | |
| LessToken |
The token for the Less instruction
|
| LTToken |
Represents the LEFT instruction
|
| MinusToken | |
| NotEqualsToken |
The token for the NotEquals instruction
|
| NumberToken |
Represents a number (using doubles).
|
| PDToken |
Represents the PenDown instruction
|
| PenDownToken | |
| PenUpToken | |
| PrintToken |
Represents the PRINT instruction token
|
| ProductToken | |
| PUToken |
Represents the Pen Up instruction
|
| QuotientToken | |
| RemainderToken | |
| RepeatToken |
Represents a REPEAT instruction token
|
| ReservedToken |
Represents a reserved word
|
| RightBracketToken |
Represents a right bracket
|
| RightParenToken |
Represents a right parenthesis
|
| RightToken | |
| RTToken |
Represents the RIGHT instruction
|
| SetPCToken |
Represents the SetPC instruction
|
| SetPenColorToken |
Represents the SetPenColor instruction
|
| SetPenSizeToken |
Represents the SetPenSize instruction
|
| SetPSToken |
Represents the SetPS instruction
|
| SetXToken |
Represents the SETX instruction
|
| SetXYToken |
Represents the SETXY instruction
|
| SetYToken |
Represents the SETY instruction
|
| SumToken |
Represents the SUM instruction
|
| TokenFactory |
Parses a stream into tokens
|
| ToToken |
Represents the TO instruction
|
| TowardsToken |
Represents the FORWARD instruction
|
| VariableToken |
Represents a variable
|
| XCorToken |
Represents the XCOR instruction
|
| YCorToken |
Represents the YCOR instruction
|