PobreLang is a programming language that lets you work more slowly and inefficiently.
Have you ever thought while programming
"Man, I wish this were slower, its too much for me!"
? Then PobreLang is the language for you. PobreLang gives you all the slowness you want!
In PobreLang, you can't just create variables. You must pay for them! In order to pay for them, you must work, which takes time. If you work too much, your program will be very slow. On the other hand, if you work too little, you won't be able to afford all the variables you need. Your payment is not very high and there's nothing you can do to increase it. Therefore, you must be smart and learn to manage your money.
scream Hello world!
This is a full guide for PobreLang. It will teach you how to completely master it. There are also some interesting tips in the end.
Variables store values in them.
They can have two types: item and tag.
Items store numbers in them (both integer and floating point numbers),
while tags store strings of characters.
To create a variable, use the chosen type-keyword followed by the name and the value. Note: variable names and values should not have spaces in them! If you want to store a string with spaces, you need more variables.
item myitem 3.5
tag mytag hello
The code shown above will throw an error.
This happens because all the variable names must start with PobreLang/.
Let's refactor the code to include them.
item PobreLang/myitem 3.5
tag PobreLang/mytag hello
It gives us two variables storing 3.5 and "hello", respectively. Except that is still has an error. In PobreLang, we start with no money, so we can't afford these variables. We must work before creating them to get some money. I'll show you how in the next section.
In order to work in PobreLang, the keyword work is used,
followed by the amount of working hours.
work 10
Usually, you don't want your program to stop its execution for hours. Luckily, we can pass floating point numbers to this keyword. Let's try working for a few seconds... We can divide the number of seconds by 60 twice, to convert it to hours.
work 10/60/60
The code above will pause the execution for ten seconds and give us some money.
Note: when using these expressions, don't put spaces between the operations. PobreLang uses spaces to tell expressions apart.
After a lot of work, you might want to scream a bit.
The scream keyword is used to print messages in PobreLang.
It can take an indefinite number of arguments, so you can pass multiple strings or variables at once.
The scream keyword is used for the iconic Hello World program!
scream Hello world!
You can also pass variables to it.
work 10/60/60
tag PobreLang/hello Hello
tag PobreLang/world world!
scream PobreLang/hello PobreLang/world
The program above also outputs a Hello World message.
Mathematical expressions can be passed,
though they will not be evaluated, as scream treats them as tags.
scream 1+1
The program above will not print 2, but 1+1 instead.
To read user input, two keywords exist.
One of them, listen is used to read tags (strings).
The other, antidisestablishmentarianism,
is used to read items (numbers).
A variable must be passed as a parameter to store the values in.
work 10/60/60
item PobreLang/number_input 0
tag PobreLang/string_input abc
antidisestablishmentarianism PobreLang/number_input
listen PobreLang/string_input
Burning a variable is the same as deleting it. You can delete a variable when you don't need it, but you won't get your money back.
In order to burn a variable you don't need anymore,
use the burn keyword.
work 10/60/60
item PobreLang/useless
burn PobreLang/useless
Notes allow you no take notes of things.
They are not executed and serve just for the purpose of taking notes.
To take a note, use the note keyword.
note that this will not be executed
Stamps are like checkpoints you can put
in your code to return to there later.
To create a stamp, use the stamp keyword followed by its name.
note that this is a stamp
stamp PobreLang/main
scream Hello world!
Stamps are not useful by themselves.
We need a way to return to them.
To return to a stamp, use the dispull keyword.
note that this is a stamp
stamp PobreLang/main
scream Hello world!
note that this will make us return to the stamp
dispull PobreLang/main
The code above will create an endless loop. This happens because we are constantly going back to the start of the stamp.
If you need a way to quit the stamp and go back to your previous code,
just use the goback keyword.
work 10/60/60
tag PobreLang/hello Hello
dispull PobreLang/fire
scream PobreLang/hello PobreLang/world
stamp PobreLang/fire
tag PobreLang/world world!
goback
Note: there is another keyword like dispull,
which also calls a stamp. This keyword (sprint) is deprecated, though,
as it does not make use of the new callstack feature.
It should not be used in any situation and is kept in the interpreter
for compatibility with legacy code.
If-statements evaluate conditions. They are useful to get us back from infinite loops, for example.
For an if-statement to work, we must give it an expression to evaluate and a stamp to dispull in case the condition evaluates as true.
note that this is a stamp
stamp PobreLang/main
scream Hello world!
note that this condition is false, so we won't return
if 1>3 PobreLang/main
What makes them really useful is when you use variables in the expressions.
note that this is a stamp
stamp PobreLang/main
scream Hello world!
work 10/60/60
item PobreLang/continue 0
note let the user choose if we continue in the loop
antidisestablishmentarianism PobreLang/continue
note that this condition is false, so we won't return
if PobreLang/continue!=0 PobreLang/main
PobreLang supports modules since version 1.1.0. Modules are a way to divide your code into small reusable chunks, which can also be shared with other developers.
To create a module, just create a PobreLang file with the correct extension and then write the code you want for it. Usually, this is functions that might be needed elsewhere.
Below is an example of a module.
stamp PobreLang/scream_hello_world
scream Hello world!
goback
For this example, let's say this code is stored in a helloworld.pbr file.
After having a module, you need to import it to your existing codebase.
To do this, use the include keyword.
Note that the file extension is omitted!
include helloworld
dispull PobreLang/scream_hello_world
If you need to use shell commands on PobreLang,
you can do it by using the shell keyword
followed by the command to execute.
shell echo Hello world!
If you want to save some working time, try reassigning your variables, instead of creating new ones. This way, you won't be charged extra.
work 10/60/60
item PobreLang/var 7
note that I don't want to work anymore
note recreating the variable as a tag
tag PobreLang/var hello
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