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445 Commits

Author SHA1 Message Date
ISSOtm
0c55703438 Improve helpers.h 
Use C11 standard _Noreturn instead of attributes (except, of course, MSVC)
Remove unused helpers
Avoid trapping in release builds, in favor of just unreachability
Improve shim when __builtin_* are not available
 2020-10-26 15:19:31 +01:00
anderoonies
55be77be69 discard block comments delimited with /* */ 2020-10-15 12:42:53 -04:00
Eldred Habert
42b3a17356 Merge pull request #602 from NieDzejkob/shiftstorm 
Report only one error when invalid shift has argument
 2020-10-13 15:48:16 +02:00
Jakub Kądziołka
045a9e8b93 Report only one error when invalid shift has argument 
Not to mention that incrementing a variable in a loop is kinda dumb.
 2020-10-12 22:54:20 +02:00
Jakub Kądziołka
4419f0d54f remove dead function: sym_GetDefinedValue 2020-10-12 13:31:21 +02:00
ISSOtm
01637768cf Rename asmy to more explicit parser 
This should make the purpose of that file clearer to newcomers
 2020-10-11 21:03:41 +02:00
ISSOtm
5a65188ca9 Implement compact file stacks in object files 
Gets rid of `open_memstream`, enabling Windows compatibility again
Also fixes #491 as a nice bonus!
 2020-10-04 04:46:01 +02:00
ISSOtm
96cb5e10ed Fix range-dependent dead code in recursion depth check 2020-10-04 04:46:01 +02:00
ISSOtm
7381d7b92f Remove unnecessarily nested symbol data union 2020-10-04 04:46:01 +02:00
ISSOtm
ece6853e0f Implement opt b and opt g 2020-10-04 04:46:00 +02:00
ISSOtm
fd02ffb7bd Implement __FILE__ symbol 
Also clean up built-in symbol creation
This is not great, but currently okay.
Should be fixed later, like the rest...
 2020-10-04 04:45:58 +02:00
ISSOtm
cd747d8175 Fix many lexer bugs 
More to come...
 2020-10-04 04:39:25 +02:00
ISSOtm
81a77a9b88 Re-implement block copy to avoid expanding macro args 
They were expanded during the capture, and there was no easy way to
avoid expanding them (believe me, after three hours and somehow an OOM, I
gave up trying).
 2020-10-04 04:38:53 +02:00
ISSOtm
e11f25024e Add test for built-in file symbol 
It's currently defined in fstack.c, making it more prone to accidental
dropping. Let's not repeat the 0.3.9 scenario...
 2020-10-04 04:38:53 +02:00
ISSOtm
4c9a929a14 Implement almost all functionality 
Add keywords and identifiers
Add comments
Add number literals
Add strings
Add a lot of new tokens
Add (and clean up) IF etc.
Improve reporting of unexpected chars / garbage bytes
Fix bug with and improved error messages when failing to open file
Add verbose-level messages about how files are opened
Enforce that files finish with a newline
Fix chars returned not being cast to unsigned char (may conflict w/ EOF)
Return null path when no file is open, rather than crash
Unify and improve error printing slightly

Known to be missing: macro expansion, REPT blocks, EQUS expansions
 2020-10-04 04:38:50 +02:00
ISSOtm
71f8871702 Implement more functionality 
Macro arg detection, first emitted tokens, primitive (bad) column counting
 2020-10-04 04:37:58 +02:00
ISSOtm
6dc4ce6599 Implement infrastructure around new lexer 
The lexer itself is very much incomplete, but this is intended to be a
safe point to revert to should further implementation go south.
 2020-10-04 04:37:58 +02:00
ISSOtm
4cfed3c98f Rewrite charmap system 
Avoid allocating a *ton* of data per charmap
Stop relying on uninitialized data in charmap nodes
Only initialize charmap nodes lazily
 2020-10-04 04:31:10 +02:00
ISSOtm
2e3db9d56a Clean up label generation 
Only check for localness when we already know we have a local
 2020-10-03 21:33:30 +02:00
ISSOtm
a1286e6f0e Make newlines explicit in error messages 
In preparation for a change a PR is about to make
 2020-09-27 10:54:06 +02:00
ISSOtm
304bb9f902 Remove most Hungarian notation in section module 
Seriously, it sucks.
 2020-09-06 20:43:13 +02:00
ISSOtm
14be01880d Move UNION code inside section.c 
Improves organization and locality
 2020-09-06 19:18:10 +02:00
ISSOtm
12b7cf3cd4 Move curOffset into section code 
Improves organization
 2020-09-06 18:50:19 +02:00
ISSOtm
0d7914bff7 Fix asm/charmap.h not including required header 2020-09-06 17:16:49 +02:00
Matt Currie
f863a927c1 Make INCBIN's length argument optional 
INCBIN can now be used with just a start position to include everything
from the start position until the end of the file.
 2020-08-15 17:24:11 +12:00
Antonio Niño Díaz
daf780c7e6 Refactor warning array for clarity 2020-08-04 22:28:56 +01:00
ISSOtm
762474d3ac Let RGBASM write JR offsets in floating sections 
This requires some special-casing for `jr @` because the `jr` opcode has
already been emitted, but not the operand, so PC points to the middle.
Moved the RGBLINK test to RGBASM's folder, and created a new RGBLINK test.
 2020-07-27 18:17:29 +02:00
ISSOtm
1f2f797cb9 Add section fragments 
Fixes #517, and hopefully enables RGBDS as a SDCC back-end
 2020-07-21 19:56:46 +02:00
aaaaaa123456789
89fb372326 Set max macro arguments to 99,999 2020-05-12 06:46:17 -03:00
aaaaaa123456789
a828f82414 Remove fixed-size array for macro arguments 2020-05-12 06:46:07 -03:00
James Larrowe
bdf397bba7 Add empty data directive warning 
Fixes #516
 2020-05-06 09:50:28 -04:00
ISSOtm
5fe3a0adb6 Remove non-OPT options from Options struct 2020-04-13 17:15:00 +02:00
ISSOtm
f9f27d6f5a Clean up symbol system 
Get rid of Hungarian notation
Improve encapsulation (the rest of the world should not touch PC directly)
 2020-04-09 10:42:37 +02:00
ISSOtm
665412c073 Implement mid-section alignment directive 
Fixes #254.
 2020-04-08 12:29:00 +02:00
ISSOtm
b0ec8468e6 Allow specifying offset in addition to alignment 2020-04-08 00:40:41 +02:00
ISSOtm
29629245a4 Use new hashmap implementation for symbols 2020-03-24 12:50:53 +01:00
ISSOtm
7deb8d3e8a Allow purging exported symbols 2020-03-24 10:52:02 +01:00
ISSOtm
cb0a882a31 Order warnings alphabetically 2020-03-23 16:03:36 +01:00
ISSOtm
cb52ae0f26 Implement unionized sections in RGBASM 
This touched a lot more code than initially expected, for two reasons.

First, this broke a big RGBASM assumption: that sections are always being
written to at their end. This plus other problems required touching
basically the entirety of `section.c`.

Second, I tried different solutions to solve the above problem, and along
the way I cleaned up many things around. (I believe that keeping this to
"cleanup" commits yields subpar results, and since it's boring they get
postponed anyways.)

RGBLINK support still needs to be added, but this will come next.
 2020-03-22 11:06:17 +01:00
Eldred Habert
fe824e0068 Merge pull request #490 from ISSOtm/const 
Implement `ISCONST`, reporting compile-time constness
 2020-03-21 23:20:01 +01:00
ISSOtm
fb58166e5d Add assertions 
Closes #292
 2020-03-21 23:00:38 +01:00
ISSOtm
03967bd623 Prevent purging referenced symbols 
This is an immediate fix for #492, although #342 is needed to implement the
desired functionality.
 2020-03-21 15:42:52 +01:00
ISSOtm
7ddbe44b21 Use hashmap system for charmap 2020-03-15 15:23:32 +01:00
ISSOtm
2f466c2939 Revamp macro arg system 
This should significantly improve performance: on pokecrystal builds, perf
reported as much CPU time spent on `yyparse` as on `sym_UseNewMacroArgs`
Measurements show ~6 seconds of improvement on that codebase.

This also fixes #321, as a bonus, due to saner management!
 2020-03-14 16:13:40 +01:00
ISSOtm
61897d8b52 Fix warning.h not including a required header 2020-03-14 11:33:51 +01:00
ISSOtm
a259f53b52 Rename macro functions with proper prefix 2020-03-13 23:20:27 +01:00
ISSOtm
ffdb1fbfe5 Split macro arg management into its own file 
It has no relation to symbols, and helps a tiny bit deflate `symbol.c`
 2020-03-11 02:39:36 +01:00
ISSOtm
4b33b4b387 Remove forward decl of nonexistent function 
I can only assume it was for debugging? (No, I'm not looking it
up the history)
 2020-03-11 02:21:30 +01:00
ISSOtm
8fcdcb1731 Implement ISCONST, reporting compile-time constness 2020-03-11 02:15:31 +01:00
ISSOtm
55b911654c Get rid of obsoleted function 2020-03-11 01:46:26 +01:00