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Author SHA1 Message Date
Aryadev Chavali
0e75b541df vec: vec_try_append 
Essentially a method to attempt to append data but without doing any
reallocation - stay within the bounds of the capacity.
 2026-03-05 17:32:52 +00:00
Aryadev Chavali
e6e501c5a3 lisp: tag_generic, tag_sizeof, and lisp_sizeof 2026-03-05 17:32:52 +00:00
Aryadev Chavali
a79f60a203 lisp: split lisp into lisp and sys 
Generic definition of tagged pointers, along with simple
constructor/destructors should be in lisp.h for use by other headers.

sys.h on the other hand contains all the general system methods.
 2026-03-05 17:32:52 +00:00
Aryadev Chavali
79f53c7916 alisp.org: rework TODOs, setup one for allocators. 2026-02-12 23:03:05 +00:00
Aryadev Chavali
042cc48e8c lisp: split memory into its own structure 2026-02-12 22:51:29 +00:00
Aryadev Chavali
b51aaa3d65 lisp: replace sys_register with sys_alloc 
Allows us to abstract allocation away, creating Lisps automatically.
 2026-02-12 22:51:29 +00:00
Aryadev Chavali
6499a9dd6d lisp: combine tag.h into lisp.h 2026-02-12 22:51:29 +00:00
Aryadev Chavali
c1cdb8607d lisp: split memory into conses and vectors 
During garbage collection, we'll iterate through these two vectors.
Instead of freeing the memory, we can swap cells in the vector and
decrement its size.

The idea is we can attach an allocator to the system where we reuse
memory instead of just allocating everytime.
 2026-02-12 22:51:29 +00:00
Aryadev Chavali
7df292ed9e alisp.org: mark WIP -> TODO 2026-02-11 10:31:23 +00:00
Aryadev Chavali
4aad62fec9 alisp.org: update 2026-02-11 10:29:57 +00:00
Aryadev Chavali
a4fb48a863 reader: implement read_vec and setup errors for random closed brackets 2026-02-11 10:29:57 +00:00
Aryadev Chavali
5f05a6a108 lisp: implement TAG_VEC lisp_print method 2026-02-11 10:29:57 +00:00
Aryadev Chavali
e60a7459e0 reader: fix issue with read_list of infinite loop 2026-02-11 10:29:57 +00:00
Aryadev Chavali
4936460b39 reader: factor out read_negative 2026-02-11 10:29:57 +00:00
Aryadev Chavali
04be0ecad0 alisp.org: update todos 2026-02-11 10:29:57 +00:00
Aryadev Chavali
f09e0d33a4 reader: deal with negative prefix numbers in read 2026-02-11 10:29:57 +00:00
Aryadev Chavali
d1d0783fc3 reader: implement read_int 2026-02-11 10:29:57 +00:00
Aryadev Chavali
21254e77bf tag: INT_MAX/INT_MIN are now i64 by default 2026-02-11 10:29:57 +00:00
Aryadev Chavali
e772b06ae5 main: rearrange code and setup prototypes 2026-02-11 10:29:57 +00:00
Aryadev Chavali
eca46069f8 main: print out expressions from reading 2026-02-11 10:29:57 +00:00
Aryadev Chavali
c2f1835b4c main: factor out the stream init code into its own function 2026-02-11 10:29:57 +00:00
Aryadev Chavali
93a52db7cc alisp.org: add TODO about reader macros 2026-02-11 10:29:57 +00:00
Aryadev Chavali
d88bc2baeb alisp.org: mark some TODOs 2026-02-11 10:29:57 +00:00
Aryadev Chavali
2dc0c6080e reader: deal with quotes 
This is currently implemented as a parse-time primitive.  Scheme
doesn't seem to have reader macros (which is INSANE) but Common Lisp
does.  We'll need to add a TODO about this.
 2026-02-11 10:29:57 +00:00
Aryadev Chavali
8e81e6f762 reader: at every iteration of read_all, skip comments and whitespace 2026-02-11 10:29:57 +00:00
Aryadev Chavali
a49492b27f stream: clean up 2026-02-11 10:29:57 +00:00
Aryadev Chavali
8b2fe97fc2 lisp: sys_cost for memory footprint 2026-02-11 10:29:57 +00:00
Aryadev Chavali
ff512986f8 symtable: sym_table_cost 
Useful for figuring out the rough memory footprint (actually utilised)
by the symbol table.
 2026-02-11 10:29:57 +00:00
Aryadev Chavali
47f33cb969 tag: make function inputs constant 2026-02-11 10:29:57 +00:00
Aryadev Chavali
39e5b76f8b lisp: lisp_print 2026-02-11 10:29:57 +00:00
Aryadev Chavali
b91e79933b symtable: refactor for SV changes and propagate 2026-02-11 10:29:57 +00:00
Aryadev Chavali
3e7734037c sv: rearrange sv_substr and sv_truncate 2026-02-11 10:29:57 +00:00
Aryadev Chavali
9f3bb57972 sv: major refactor 
- Internal data pointer is read only by default => any uses that
  require use of the pointer itself (freeing, mutating) must perform a
  cast.

- refactor tests to use some new sv macros and functions, and clean
  them up.

- slight cleanup of sv.c
 2026-02-11 10:29:57 +00:00
Aryadev Chavali
b646ae3f7e sv: fix sv_substr 
Issue I came up with when looking at the code, based on
sv_chop_right's impl.  Why do we keep this function around again?
 2026-02-11 10:29:57 +00:00
Aryadev Chavali
818d4da850 sv: SV_AUTO macro (for literal strings/literal byte arrays really). 2026-02-11 10:29:57 +00:00
Aryadev Chavali
daa1d3d565 lisp: add and implement lisp_free_rec 
May be useful for testing.
 2026-02-11 10:29:57 +00:00
Aryadev Chavali
b7fc5170b0 reader: implement read_sym and read_list 
To be tested properly.
 2026-02-11 10:29:57 +00:00
Aryadev Chavali
d02174ea8b Makefile: add reader to units to compile 2026-02-11 10:29:57 +00:00
Aryadev Chavali
7ef6905d7a main: fit reader into main. 2026-02-11 10:29:57 +00:00
Aryadev Chavali
c12f4b2d2c reader: some work done on basic API 2026-02-11 10:29:57 +00:00
Aryadev Chavali
b8d0ee2c7f .dir-locals: added compile-command for testing 
When I'm writing unit test code, it's nicer to compile with full logs
by default.
 2026-02-09 09:57:46 +00:00
Aryadev Chavali
fe727d75e4 remove breaks after return in switch-case 2026-02-09 09:57:04 +00:00
Aryadev Chavali
06a4eafbb9 stream: optimise stream_substr_abs, stream_till, stream_while 
In the base cases of STRINGS and FILES, these functions should be very
quick (operating on stuff in memory), and amortized for pipes.
 2026-02-09 09:57:04 +00:00
Aryadev Chavali
fc5a6eb8fb stream: refactor stream_seek_forward for changes in FILE API 2026-02-09 09:57:04 +00:00
Aryadev Chavali
5c7fb0fabd stream: stream_stop -> stream_free 2026-02-09 09:57:04 +00:00
Aryadev Chavali
f164427b47 stream: stream_reset 
We can reuse the same stream by resetting it.  We don't delete the
cached data.
 2026-02-09 09:57:04 +00:00
Aryadev Chavali
2238f348e1 stream: stream_line_col includes current position in computation 2026-02-09 09:57:04 +00:00
Aryadev Chavali
f56a59ff7a stream: STREAM_TYPE_FILE will now read file upfront 
No more having to chunk read - if ~stream_init_file~ is used, the
constructor slurps the entire file into the cache.  This pays up front
for a bunch of checks essentially.

~stream_init_pipe~ should be used for chunked reading.
 2026-02-09 09:57:04 +00:00
Aryadev Chavali
6a54c54bfb stream: a bit of tidying up 2026-02-09 09:57:04 +00:00
Aryadev Chavali
2855536bdd stream: a few further refactors due to new sv functions 2026-02-09 09:57:04 +00:00