I’m not gonna lie, I haven’t seen ABAP in 10 years and was only briefly familiar with it. But I did what one does and asked GPT4 for some tax computation ABAP.
DATA: lv_income TYPE P DECIMALS 2 VALUE '50000',
lv_tax_rate TYPE P DECIMALS 2,
lv_tax_amount TYPE P DECIMALS 2.
* Select the appropriate tax rate from the tax table based on income
SELECT SINGLE TAX_RATE INTO lv_tax_rate
FROM ZTAX_TABLE
WHERE INCOME >= lv_income
ORDER BY INCOME ASCENDING.
IF sy-subrc = 0.
lv_tax_amount = lv_income * lv_tax_rate / 100.
WRITE: / 'Income:', lv_income,
/ 'Tax Rate:', lv_tax_rate,
/ 'Tax Amount:', lv_tax_amount.
ELSE.
WRITE: / 'No tax rate found for income', lv_income.
ENDIF.
Oh that looks awful. Maybe it’s just because I don’t know how to read it, but the fact that it is similar to SQL (definitely pronounced sequel at this time) messed with my head
This isn’t even like the worst of it. It’s an old enough language they still thought the compiler shouldn’t have to do more work.
So you have to declare all variables, types, and methods in the top section of the class, and the method implementation in its own section. That means while working on a method, the method signature is a long way away. And because abap developers are allergic to splitting up code into reasonable classes, that can be a couple thousand lines away.
Oh and all classes are in the global namespace. So all the classes you make must start with the letter z because SAP reserves any and all names that don’t start with z.
Oh and they didn’t feel like making library code to do a lot of basic stuff, oh no, they thought that 3000+ keywords was a much better system. Especially sense hovering over a keyword gives no documentation and discoverable is therefore pretty terrible.
Also they wanted everything to be sentenced like so keyword structures are often many special words in specific orders and hopefully you can write enough of it to get a prompt to fill in the rest.
But that is a typing weakness of that language. I just prefer using languages where the compiler actually does know what the types are at all time and thus can inform me instead of me trying to make sure that types align correctly.
That is tedious work that has been proven to be a terrible idea to shift onto humans. Strong type systems make much more robust code.
Abap only has one collection type, and its tables. Contextually it’s not hard to read what a collection of things are and what a single thing is.
If I am looping through comments and do something with comment, it’s contextually clear what ma going on. The exact type can be easily checked for when it’s actually needed.
Naming a count of something the plural seems like a much less intuitive thing. Especially sense generally the count is gotten from the collection.
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Fuck character limits for names. Looking at you, ABAP.
Ah yes, gotta love /company/product_abc table names.
Are you not blind after staring at ABAP?
Can you bleach my eyes with some really bad ABAP code? I’ve never seen ABAP and I want to feel scared
Let me introduce you to Cobol …
Classic ASP for the win …
No, pleeease grandpa, I don’t wanna sweep the cobwebs off the server rack
I’m not gonna lie, I haven’t seen ABAP in 10 years and was only briefly familiar with it. But I did what one does and asked GPT4 for some tax computation ABAP.
Oh my, that’s an abomination, I’m literally squinting my eyes to read it. That
ENDIFtho, that’s where I draw the line °~°Oh that looks awful. Maybe it’s just because I don’t know how to read it, but the fact that it is similar to SQL (definitely pronounced sequel at this time) messed with my head
This isn’t even like the worst of it. It’s an old enough language they still thought the compiler shouldn’t have to do more work.
So you have to declare all variables, types, and methods in the top section of the class, and the method implementation in its own section. That means while working on a method, the method signature is a long way away. And because abap developers are allergic to splitting up code into reasonable classes, that can be a couple thousand lines away.
Oh and all classes are in the global namespace. So all the classes you make must start with the letter z because SAP reserves any and all names that don’t start with z.
Oh and they didn’t feel like making library code to do a lot of basic stuff, oh no, they thought that 3000+ keywords was a much better system. Especially sense hovering over a keyword gives no documentation and discoverable is therefore pretty terrible.
Also they wanted everything to be sentenced like so keyword structures are often many special words in specific orders and hopefully you can write enough of it to get a prompt to fill in the rest.
Character limits and a stupid badly used Hungarian notation to waste limited characters to tell use what the ide already knows.
If you have a table, (that’s an array for sane programmers) name the variable as a plural and we will know it’s a table.
Don’t name two variables the same stupid abbreviation with different Hungarian notation characters stuck to the front
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But that is a typing weakness of that language. I just prefer using languages where the compiler actually does know what the types are at all time and thus can inform me instead of me trying to make sure that types align correctly.
That is tedious work that has been proven to be a terrible idea to shift onto humans. Strong type systems make much more robust code.
Abap only has one collection type, and its tables. Contextually it’s not hard to read what a collection of things are and what a single thing is.
If I am looping through comments and do something with comment, it’s contextually clear what ma going on. The exact type can be easily checked for when it’s actually needed.
Naming a count of something the plural seems like a much less intuitive thing. Especially sense generally the count is gotten from the collection.