Update build system, syntax and library calls for zig 0.13.0.
Rewrite the build system so that the steps can build separately. Drop
intermediate symbolic links (unneeded complexity, confusing
timestamps).
Build with debugging options, this is a toy project full of memory
leaks.
Declare the allocators as global variables instead of passing and/or
storing always the same reference everywhere for no benefit.
Make apply_function a global variable instead of adding a reference to
EVAL in each function.
Pass arguments as a slice instead of using a different type for each
argument count.
There is no point in renaming default errors.
Remove a lot of reference counting and some indirection levels.
This fixes the current segmentation faults.
Create each object as soon as possible and use errdefer so that it is
deallocated if an exception occurs when computing its elemements.
Use a global variable to convey a MAL object alongside a thrown error.
Remove the unused logging_alloc module (but add a debug_alloc boolean
in types.zig).
xslt:
- The reader was returning the an odd args error when a hash-map literal
was not closed. This was because the the parsing error happened and
then the odd args test happened after and overwrote the parsing error.
- Also, fix the read-string function so that if an error is set by the
reader, this is converted to a full error that bubbles up.
c:
- read_list errors were not being detected/propagated in read_hash_map
after calling read_list.
zig:
- reader errors were not being caught in the rep loop until step 8, so
those errors in step6 and step7 were causing the REPL to exit.
- Add a `vec` built-in function in step7 so that `quasiquote` does not
require `apply` from step9.
- Introduce quasiquoteexpand special in order to help debugging step7.
This may also prepare newcomers to understand step8.
- Add soft tests.
- Do not quote numbers, strings and so on.
Should ideally have been in separate commits:
- elisp: simplify and fix (keyword :k)
- factor: fix copy/paste error in let*/step7, simplify eval-ast.
- guile: improve list/vector types
- haskell: revert evaluation during quasiquote
- logo, make: cosmetic issues
- Reorder README to have implementation list after "learning tool"
bullet.
- This also moves tests/ and libs/ into impls. It would be preferrable
to have these directories at the top level. However, this causes
difficulties with the wasm implementations which need pre-open
directories and have trouble with paths starting with "../../". So
in lieu of that, symlink those directories to the top-level.
- Move the run_argv_test.sh script into the tests directory for
general hygiene.
