Gaot++
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Description
Gaot++ is a stack-based programming language with 2 types of commands: baas and bleets.
Gaot++ has an instruction pointer that initially moves to the right and down, but the direction can be reversed.
baa commands
A baa command is matched by the following regex: ba{2,}. (i.e. the letter 'b' followed by two or more 'a's).
A baa command pushes the number of its a's minus 1.
bleet commands
A bleet command is matched by the following regex: ble{2,}t. (i.e. the letters 'bl' followed by two or more 'e's and a final 't').
A bleet command executes an action based on the number of e's that it has:
Count of e |
Action on stack | Description |
|---|---|---|
| 2 | a, b -> a + b |
Push the sum of the two values on the top of the stack |
| 3 | a, b -> b - a |
Push the difference of the two values on the top of the stack |
| 4 | -> |
Skip the next command |
| 5 | -> |
Terminate the program |
| 6 | -> |
Reverse the IP direction |
| 7 | a -> |
Skip the next instruction if the value on the top of the stack is not zero |
| 8 | a -> |
Skip the next instruction if the value on the top of the stack is zero |
| 9 | a -> |
Pop a value and print it as a number |
| 10 | a -> |
Pop a value and print it as a character |
| 11 | -> a |
Read a number from stdin |
| 12 | -> a |
Read a character from stdin |
| 13 | a -> a, a |
Duplicate the top of the stack |
| 14 | a, b -> b, a |
Swap the top of the stack |
| 15 | a... -> ...a |
Reverse the stack |
| 16 | a...b -> ...b, a |
Rotate the stack |
Example programs
Hello World version 1
Prints the string Hello, World!.
baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet
Hello World version 2
Prints the string Hello, World!.
baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeeeeet bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleet bleeeeeeeeeeeeet bleeeeeeeeeet baaaaaaaa bleet bleeeeeeeeeeeeet bleeeeeeeeeet bleeeeeeeeeeeeet bleeeeeeeeeet baaaa bleet bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeeeeet bleeeeeeeeeeeeet bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet bleet baa bleeet bleeeeeeeeeeeeet bleeeeeeeeeet baaaaaaaaaaaaaa bleet bleeeeeeeeeeeeet baaaaaaaaa bleet bleeeeeeeeeeeeet baaaa bleet bleeeeeeeeeeeeet bleeeeeeeeeet baaaa bleet bleeeeeeeeeet bleeeeeeeeeet bleeeeeeeeeet baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bleeeeeeeeeet
Truth machine
bleeeeeeeeeeet bleeeet bleeeeeet bleeeeeeeeeeeeet bleeeeeeeeeeeeet bleeeeeeeeeeeeet bleeeeeeeeeeeeet bleeeeeeeeet bleeeeeeeet bleeeeeet
Cat program
bleeeeeeeeeeeet bleeeet bleeeeeet bleeeeeeeeeet bleeeet blet bleeeeeeeeeeeet bleeeet blet bleeeeeeeeeeeeet bleeeet blet bleeeeeeeeeeeeet bleeeet blet bleeeeeeeet bleeeeeet
Reverse cat program
bleeeet bleeeeeet bleeeeeeeeeeeet bleeeet blet bleeeeeeeeeeeeet bleeeet blet bleeeeeeeeeeeeet bleeeet blet bleeeeeeeet bleeeeeet bleet bleet bleeeet bleeeeeet bleeeeeeeeeet bleeeet blet bleeeeeeeeeeeeet bleeeet blet bleeeeeeeeeeeeet bleeeet blet bleeeeeeeet bleeeeeet
Multiply two numbers
Reads two numbers from user input and prints their product. Aside from the first and last lines, this program provides a reusable block of code for replacing the top two values on the stack with their product without disturbing the other contents of the stack.
Stack semantics: a, b -> a * b Note: b must be non-negative!
bleeeeeeeeeeet bleeeeeeeeeeet bleeeeeeeeeeeeeeet baa baa bleeet bleeeeeeeeeeeeeeet bleeeet bleeeeeet blet bleeeet bleeet blet bleeeet bleeeeeeeeeeeeeet blet bleeeet baa blet bleeeet bleeeeeeeeeeeeeet blet bleeeet bleeeeeeeeeeeeeeet blet bleeeet bleet blet bleeeet bleeeeeeeeeeeeeeeet blet bleeeet bleeeeeeeeeeeeeeet blet bleeeet bleeeeeeeeeeeeet blet bleeeet bleeeeeeeeeeeeeet bleeeeeeeeeeeeet bleeeet blet bleeeeeeeeeeeeet bleeeet blet bleeeeeeeet bleeeeeet bleeeeeeeet blet bleeeeeeeet blet bleeeeeeeet blet bleeeeeeeeeeeeeeeet bleeeeeeeeet
Implementations
External resources
- GaotppTranslator.py - Converts Gaot++ code to and from Forth-like code that is easier to read and write.