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351 Commits

Author SHA1 Message Date
DaKnig 34bc650341 Fix shebangs (#992) 2022-07-01 22:59:41 +02:00
ISSOtm d51ab35203 Trim macro arg whitespace after line continuations 2022-06-09 00:07:27 +02:00
ISSOtm 97c326942f Warn about automatic instruction alterations 
Step 1 of #986
 2022-05-21 21:49:07 +02:00
ISSOtm b037d54f64 Remove deprecated symbols 
Fixes #896
 2022-05-21 21:45:06 +02:00
ISSOtm 7dd8ba37f1 Allow changing recursion depth limit at runtime 2022-02-05 20:32:56 +01:00
Eldred Habert 6842c831fd Allow binary AND to be sometimes constant (#976) 2022-02-05 14:17:57 -05:00
ISSOtm eb5af70d79 Add unsigned right shift operator 2022-02-05 20:12:15 +01:00
ISSOtm acc31feaa1 Fix "shift" test to actually test RGBLINK 2022-02-05 11:39:10 +01:00
Rangi ec6d63bce3 Allow underscores in gfx literals (#951) 
Fixes #950
 2021-11-21 16:18:23 -05:00
ISSOtm 54293a9184 Remove unused "MAX_PATH" header 
The header's name was also quite misleading.
Also remove an unused define in `asm/symbol.h`.
 2021-11-21 18:32:29 +01:00
Rangi f82603f196 Lowercase "error:" in -Werror output 2021-11-20 11:21:46 +01:00
Rangi c7322258fc Refactor readGfxConstant for consistency, and edit warning message 2021-11-19 21:36:56 -05:00
Rangi 8e2a164a32 Implement compound assignment operators for mutable constants 
Fixes #943
 2021-11-19 08:50:00 +01:00
Rangi b76819792d Deprecate SET in favor of = 
`SET` is redundant with `=`, and is already the name of an instruction.
 2021-11-19 00:05:49 +01:00
Rangi 0bb815edc0 Implement -Wnumeric-string[=0|1|2] (#935) 
Fixes #934
 2021-11-12 23:09:35 +01:00
Rangi 47442941b6 Support ! operator for condition codes (#720) 
Fixes #719
 2021-11-02 00:16:52 +01:00
Rangi 11a6a81169 Implement -Wtruncation=level (#931) 
* Implement -Wtruncation=level

-Wtruncation=0 is the same as the current -Wno-truncation.
-Wtruncation=2 is the same as the current -Wtruncation.
-Wtruncation=1 is the new default; it's less strict, allowing
N-bit values to be between -2**N and 2**N (exclusive).

* Implement generic "parametrized warning" system

* Test more `Wtruncation` variants

Co-authored-by: ISSOtm <eldredhabert0@gmail.com>
 2021-10-31 17:47:31 -04:00
Rangi b002d95459 Fix precison of fixed-point formatting 
Fixes #908
 2021-10-28 23:29:16 +02:00
martendo 0f321bc797 Fix section merge alignment error message (#919) 
Co-authored-by: Eldred Habert <eldredhabert0@gmail.com>
 2021-08-17 18:03:46 -04:00
Rangi 26ddf1ff4d Prevent defining invalid local labels 
Fixes #913
 2021-07-30 15:21:47 +02:00
Rangi 695dfe9dbd Add missing file line-continuation-string.asm 
Also make some minor formatting corrections
 2021-07-04 16:12:34 -04:00
Rangi 1b5648bb06 Line continuations *do* work inside strings 
The rgbasm.5(5) documentation was outdated here
 2021-07-01 17:56:49 -04:00
Rangi a67f5d6e01 SIZEOF("Section") and STARTOF("Section") can be known 
Fixes #890
 2021-06-27 21:03:06 +02:00
Rangi 80a376f045 Syntax errors resets the lexer right away 
`DEF`, `REDEF`, etc disable EQUS expansion, and reading
macro or OPT arguments sets the lexer to raw mode.
Syntax errors resume normal parsing at the line's end,
but should resume normal tokenization even before that.
 2021-05-22 16:08:55 -04:00
Rangi 0068c1375c Syntax error message hints to indent macro invocations 
This message is only printed for identifiers parsed as
`T_LABEL` (since they're at the start of a line) but
already defined as macros. Otherwise it may not be
relevant, e.g. for `MyLabel;:` or `My Label::`.
 2021-05-22 14:58:26 +02:00
Rangi 5ad48851ed Allow error messages for subsequent syntax errors (#892) 
Fixes #891
 2021-05-21 17:04:27 -04:00
ISSOtm e3b7339dd6 Save UNION stack when using PUSHS as well 
This allows using the latter within the former
 2021-05-21 09:47:27 +02:00
ISSOtm 69d7f84502 Reset LOAD offset when changing SECTIONs 
This would cause spurious section overflow messages, since the load offset
is added to the section's when computing its size.
 2021-05-21 09:37:17 +02:00
Eldred Habert c06985a7ad Fix incorrect lexing of "$ff00+c" (#882) 
Fixes #881 by moving the task from the lexer to the parser.
This both alleviates the need for backtracking in the lexer,
removing what is (was) arguably a hack, and causes tokenization
boundaries to be properly respected, fixing the issue mentioned above.

Co-authored-by: Rangi <remy.oukaour+rangi42@gmail.com>
 2021-05-05 02:04:19 +02:00
ISSOtm 75f1bcde31 Make SECTION size overflow non-fatal 
Fixes #538
 2021-05-04 15:34:20 +02:00
ISSOtm 1d01268249 Remove LOAD FRAGMENT 
It's very troublesome, with flaky semantics and a very restricted use space.
 2021-05-03 10:51:55 +02:00
ISSOtm 02cb5a0526 Avoid performing invalid actions on LOAD errors 
These are rejected because they could lead to incorrect behavior,
so then don't do it...
 2021-05-03 10:46:52 +02:00
Rangi e9bfe849ad Allow OPT to toggle -h 2021-05-02 11:06:53 +02:00
Rangi 665eb916a2 OPT L acts like -L and *dis*ables optimizing LD to LDH 
Fixes #867
 2021-05-02 11:06:53 +02:00
ISSOtm 38a9a613da Make data output outside of a SECTION non-fatal 2021-05-01 23:48:48 +02:00
Eldred Habert 21b59c4651 Reinstate PUSHS clearing the SECTION scope (#870) 
* Reinstate PUSHS clearing the SECTION scope

Otherwise you can use `PUSHS` to simulate the old `ds -21`, and possibly cause bugs

* Have PUSHS push LOAD block state as well

It does not make sense not to, and coud cause bugs.
 2021-05-01 23:30:09 +02:00
Rangi 8e4ba8d2e4 Allow REDEF for EQU constants 
Fixes #853
 2021-04-29 12:24:07 +02:00
Rangi 27f38770d4 Parentheses in macro args prevent commas from starting new arguments 
This is similar to C's behavior, and convenient for passing
function calls as single values, like `MUL(3.0, 4.0)` or
`STRSUB("str", 2, 1)`.

Fixes #704
 2021-04-23 14:28:10 +02:00
Rangi 4d21588eb2 Make invalid UTF-8 characters in strings non-fatal 
STRLEN and STRSUB report the erroneous bytes

Fixes #848
 2021-04-22 09:59:02 +02:00
Rangi e596dbfc80 Make failed macro arg expansions non-fatal 
Expanding empty strings is valid but pointless;
macro args already skipped doing so, now other
`beginExpansion` calls do too.

This also fixes failed interpolations (which were
already non-fatal) to continue reading characters,
not evaluate to their initial '{' character.
 2021-04-22 09:59:02 +02:00
Rangi 1aeaca2af6 Add test case sort-algorithms.asm 
This combines 0.5.0 and post-0.5.0 features:
print and println, strfmt, for loops,
def assignments, redef equs, {interpolation},
new macro syntax, and \<bracketed macro args>
 2021-04-20 22:36:56 -04:00
Rangi fe3521c7a4 Switch from parentheses to angle brackets 
`\(` is more likely to be a valid escape sequence in the
future (as is `\[`) and `\{` is already taken.
 2021-04-20 17:14:21 +02:00
Rangi b0f8d75d1d Shorten quine.asm with \(parenthesized) macro args 2021-04-20 17:14:21 +02:00
Rangi 7a314e7aff Support numeric symbol names in \(parentheses) 
For example, \(_NARG) will get the last argument
 2021-04-20 17:14:21 +02:00
Rangi 637bbbdf43 Support multi-digit macro arguments in parentheses 
This allows access to arguments past \9 without using 'shift'
 2021-04-20 17:14:21 +02:00
Rangi 7ac8bd6e24 Return a marker token at the end of any buffer 
Removes the lexer hack mentioned in #778
 2021-04-20 17:10:08 +02:00
Rangi be2572edca Track nested interpolation depth even outside string literals 
Fixes #837
 2021-04-20 09:37:29 -04:00
Rangi cf2bbe6435 Position -1 is the last character of a string 
Position 0 is invalid, which matches with STRIN/STRRIN
returning 0 on failure.
 2021-04-20 14:27:59 +02:00
Rangi dc5b7802c8 Make the len parameter optional in STRSUB(str, pos, len) 
An unspecified length will continue to the end of the string.
 2021-04-20 14:27:59 +02:00
Rangi b1e6c73197 STRSUB and CHARSUB allow zero or negative positions 
These are offsets from the end of the string, as if the
STRLEN or CHARLEN respectively were added to the position.

Fixes #812
 2021-04-20 14:27:59 +02:00