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* Add support for pointers! (tests missing)Mustafa Quraish2022-02-021-3/+11
| | | | | | | | | | This commit adds initial support for taking pointers / dereferencing. The type system is still a bit of a hot mess, so all type information is actually not looked at, but the functionality still seems to be there. Still need to add some tests for pointers/dereferencing to ensure that it works in some edge cases as well.
* Add `size_for_type()` helper instead of hard-coding variable sizesMustafa Quraish2022-02-021-5/+5
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* Modify how types are stored.Mustafa Quraish2022-02-021-84/+57
| | | | | | | We now dynamically allocate the type structure, and recursively store a reference to the original type if it's a pointer. For now it's a little bit of a waste but it helps us future-proof stuff for more complex things to come
* Add basic `defer` implementation.Mustafa Quraish2022-02-011-0/+4
| | | | | | We don't have any closures yet, so it's essentially the same as just moving the statement after the `defer` keyword to the end of the block/ right before returning from the function.
* Global variables now supported! + some fixes to OP_ASSIGNMustafa Quraish2022-01-311-12/+60
| | | | | | Previously we weren't creating a new assignment node, and this was causing all sorts of funky errors. This commit also fixes that, and we can now use global variables :^)
* Add ability to import other filesMustafa Quraish2022-01-311-2/+40
| | | | | | This still requires a lot of work to avoid duplicate imports, and handle cyclic imports, but it is a good enough for small examples which just want to include some common definitions from std/
* Fix offset for local variablesMustafa Quraish2022-01-311-1/+1
| | | | | | The stack actually grows downwards, so we need to account for that. The previous implementation was incorrect and exploded if you tried to use local variables in other functions except main.
* Add basic builtin-function supportMustafa Quraish2022-01-311-29/+62
| | | | | | | This isn't really super extendible for now, but it's a start and gives us the `print` builtin which allows us to finally actually print out values to the screen, so we can move away from testing with exit codes eventually.
* Rename `cup` directory to `src`Mustafa Quraish2022-01-301-0/+562