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f8af569680edd7059dd392ecf4b0c179877ed90f
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128 Commits

Author SHA1 Message Date
Rangi
f8af569680 Shorten license comments and consolidate an AUTHORS file (#1217) 2023-11-05 09:54:32 +01:00
Rangi
259ec58140 Implement ENDSECTION (#1211) 2023-11-04 23:41:17 +01:00
Rangi
01f1703dfb Preserve \@ through INCLUDE 
Fixes #1112
 2022-12-11 18:56:03 +01:00
Rangi
a1107fc5cf Refactor !!x to x != 0 
Also limit comments and docs to single "!"s
 2022-10-01 14:09:02 -04:00
Rangi
5ad8a8c958 Warn when a duplicate CLI argument overrides a previous one (#1053) 
Fixes #1050
 2022-09-25 10:04:30 +02:00
Rangi
b8385a50e3 Support -P/--preinclude to pre-INCLUDE a file (#1043) 
Fixes #1041

Co-authored-by: ISSOtm <eldredhabert0@gmail.com>
 2022-09-24 12:37:16 -04:00
Rangi
c01317e08d Only increment the unique \@ ID when it is first used per context (#1030) 
This avoids changes to generated `\@` labels just by adding or
removing macros or loops which do not actually use `\@`.

Fixes #1019
 2022-08-31 17:45:21 -04:00
Rangi
a52a00a9ca macro_UndefUniqueID uses 0 to mean \@ is undefined 2022-08-30 16:50:34 -04:00
Rangi
fa13611bbf Make comments more consistent 
- Changes most `/* comments */` to `// comments`
- Changes `/**` block comments consistently to `/*`
- Adds consistent license comments to all files

Also renames `T_POP_SET` to `T_Z80_SET`
 2022-08-30 07:51:32 +02:00
Rangi
7a2ee26792 rgbasm -r sets the maximum recursion depth (#1026) 
Previously it set the minimum failure depth (off by one)

Fixes #978
 2022-08-28 15:21:29 -04:00
ISSOtm
7dd8ba37f1 Allow changing recursion depth limit at runtime 2022-02-05 20:32:56 +01:00
Rangi
aac839f389 Remove dbgPrint and TRACE_LEXER support 
I have not found `TRACE_LEXER` to be useful in debugging
actual lexer issues.
 2021-11-22 23:49:59 +01:00
Rangi
b9fd85470e Reword docs now that SET is deprecated (#946) 
- '=' constants are "variables" (not "mutable constants")
- EQU constants are "numeric constants" (not "immutable constants")
- EQUS constants are "string constants" (not "string equates")
- DS declarations are "static allocations" (not "variables")
 2021-11-22 17:08:29 -05:00
Rangi
3fdf01c0f5 Resolve some TODO comments 
- `out_PushSection` should not set `currentSection` to NULL because
  PUSHS, PUSHC, and PUSHO consistently keep the current section,
  charmap, and options, even though the stack has been pushed.

- `Callback__FILE__` does not need to assert that `fileName` is not
  empty because `__FILE__`'s value is quoted, and can safely be empty.

- `YY_FATAL_ERROR` and `YYLMAX` are not needed since the lexer is
  not generated with flex.
 2021-04-26 15:52:30 -04:00
ISSOtm
6d0a3c75e9 Get rid of Hungarian notation for good 
Bye bye it was not nice knowing ya
 2021-04-19 22:12:10 +02:00
Rangi
c0859e64f7 fstk_FindFile checks for sprintf failure 2021-04-13 09:31:05 -04:00
Rangi
49aac2961d Warn about backwards FOR loops with -Wbackwards-for (-Wall) 
Fixes #816
 2021-03-31 10:00:21 -04:00
ISSOtm
4216f0a9b0 Init top-level fstack node line number 
It still gets written to the object file, generating Valgrind warnings
about using uninitialized memory. To silence those errors, and make
output more reproducible, init the line no to a dummy (0) value.
 2021-03-25 11:26:58 +01:00
ISSOtm
aaa4e17454 Add verbose messages for early exit from -MG 
Should help debugging Make invocations
 2021-03-14 18:28:05 +01:00
ISSOtm
60019cf476 Fix a bunch of Clang warnings 
As reported by #789
Should avoid relying on 32-bit int (for implicit conversions)
and account for more extreme uses of RGBDS.
 2021-03-10 10:56:57 +01:00
Rangi
d4028fff10 Prevent ELIF or ELSE after an ELSE 
Fixes #749
 2021-02-25 04:39:49 +01:00
ISSOtm
cd072d5e6a Add assertion check for potential UAF trigger 
It actually currently triggers if an INCLUDE directive is given at EOF,
but #742 will fix that.
 2021-02-19 16:53:30 +01:00
ISSOtm
6ef3ee1391 Give void* ptr to %p formatter 
Silences a format type mismatch warning
 2021-02-19 16:53:26 +01:00
Rangi
e3d355d976 Attempt to recover from syntax errors with bison 
Fixes #595
 2021-01-22 15:54:24 +01:00
ISSOtm
a679e02246 Get rid of asm.h and localasm.h 
No need to make them global
 2021-01-22 13:34:16 +01:00
ISSOtm
effc58241d Rework defining variables on command-line 
Avoids allocating memory
Detects CLI errors even when failing to open file
Reports symbols as defined on command-line instead of input line 0 (!?)
 2021-01-22 11:03:43 +01:00
Rangi
df16e64fc6 Handle MACRO and REPT/FOR bodies differently 
Fixes #697
 2021-01-15 02:16:37 +01:00
Rangi
cab9cb06a3 Store IF depth relative to each fstack context 
This disallows starting/ending an IF inside an
INCLUDEd file or a macro expansion
 2021-01-09 20:12:14 +01:00
Rangi
62bea23c49 Implement BREAK to exit REPT and FOR loops 
Fixes #684
 2021-01-08 21:13:23 +01:00
Rangi
7bb6f71f0b Change FOREACH to FOR (#680) 2021-01-02 00:46:26 +01:00
Rangi
6874f694e5 Implement FOREACH (#658) 
This acts like `REPT` with a variable automatically
incremented across a range of values

Fixes #432
 2020-12-29 21:30:42 +01:00
ISSOtm
4f842a1248 Create specialized symbol finder functions 
The old "find symbol with auto scope" function is now three:
- One finds the exact name passed to it, skipping any checks
  This is useful e.g. if such checks were already performed.
- One checks that the name is not scoped, and calls the first.
  This is useful for names that cannot be scoped, such as checking for EQUS.
  Doing this instead of the third should improve performance somehwat, since
  this specific case is hit by the lexer each time an identifier is read.
- The last one checks if the name should be expanded (`.loc` → `Glob.loc`),
  and that the local part is not scoped. This is essentially the old function.
 2020-11-21 01:06:17 +01:00
ISSOtm
c24694233f Fix incomplete duplication of REPT nodes 
"Initialization, sizeof, and the assignment operator ignore the flexible array member."
Oops!
 2020-10-04 04:46:01 +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
71a0a42cfb Fix C2x use of static_assert 2020-10-04 04:46:01 +02:00
ISSOtm
e33c2ad6a2 Fix INCLUDE ignoring -MG 2020-10-04 04:46:00 +02:00
ISSOtm
ece6853e0f Implement opt b and opt g 2020-10-04 04:46:00 +02:00
ISSOtm
b7b03ee451 Fix "REPT 0" not being a no-op 2020-10-04 04:45:59 +02:00
ISSOtm
d641972cde Fix macro args not being restored when exiting macros 2020-10-04 04:45:59 +02:00
ISSOtm
4d1333e124 Fix incorrect error reporting of INCLUDEd files 2020-10-04 04:45:59 +02:00
ISSOtm
ae77893021 Fix file name reporting 
As noted in the function's code, this is very error-prone, but
will do the job; this needs rewriting due to #491 anyways, so, temporary.
 2020-10-04 04:45:59 +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
d9ecaabac1 Add debug tracing code to lexer 
Hidden behind a #define, like YYDEBUG
 2020-10-04 04:39:26 +02:00
ISSOtm
cd747d8175 Fix many lexer bugs 
More to come...
 2020-10-04 04:39:25 +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
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