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246 Commits

Author SHA1 Message Date
Rangi
7a587eb7d6 Use midrule action values for captures' terminated status 
Bison 3.1 introduces "typed midrule values", which would write
`<captureTerminated>{ ... }` and `$$` instead of `{ ... }` and
`$<captureTerminated>[1-9]`, but rgbds supports 3.0 or even lower.
 2021-04-20 17:10:08 +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
459773b3f0 Update some whitespace after Hungarian prefixes were removed 
Keep the parameter alignment and 100-char line limit
 2021-04-19 16:47:39 -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
52797b6f68 Implement SIZEOF("Section") and STARTOF("Section") (#766) 
Updates the object file revision to 8

Fixes #765
 2021-04-17 18:36:26 -04:00
Rangi
5108c5643c Let charmap_ConvertNext advance its output pointer 2021-04-17 18:18:34 -04:00
Rangi
2005ed1df9 Implement CHARLEN and CHARSUB 
Fixes #786
 2021-04-17 18:18:34 -04:00
Rangi
d43408f4f3 Allow OPT to modify -W 
Warning flags are processed individually;
PUSHO and POPO (re)store all the warning states.
 2021-04-18 00:11:18 +02:00
Rangi
2c30ab8731 Allow OPT to modify -L 
-L is a Boolean flag option, so you specify 'OPT L' or 'OPT !L'.
 2021-04-18 00:11:18 +02:00
Rangi
ee5da4468d Fix interpolation/STRFMT overflow issues (#838) 
Widths and fractional widths greater than 255 would overflow a
uint8_t and wrap around to smaller values.

Total formatted lengths greater than the avilable buffer size
would overflow it and potentially corrupt memory.

Fixes #830
Closes #831
 2021-04-17 00:52:55 -04:00
Rangi
503c3b5364 Revert "Fix interpolation/STRFMT overflow issues" 
This reverts commit 992be3fd9b.
 2021-04-16 22:19:37 -04:00
Rangi
992be3fd9b Fix interpolation/STRFMT overflow issues 
Widths and fractional widths greater than 255 would overflow a
uint8_t and wrap around to smaller values.

Total formatted lengths greater than the avilable buffer size
would overflow it and potentially corrupt memory.

Fixes #830
Closes #831
 2021-04-16 22:00:17 -04:00
Rangi
c278a361da Remove the unused calchash djb2 hash function 
Note that hashmap.c uses its own FNV-1a hash function
 2021-04-13 17:41:12 +02:00
Rangi
a2f52867ad Rename print to printChar 
This clarifies its usage, for printing a single character
in error messages.
 2021-04-13 17:41:12 +02:00
Rangi
49aac2961d Warn about backwards FOR loops with -Wbackwards-for (-Wall) 
Fixes #816
 2021-03-31 10:00:21 -04:00
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
daid
5d6e0677d9 Fix error-related issues (#773) 
* Mark `error` as a `format` function, to properly scan its format

* Fix the call to error() from parser.y:
  - Use '%s' to avoid passing an arbitrary format
  - Simplify yyerror overall

* Fix size parameter of %.*s format being an int... bonkers standard.

* Report the number of arguments required and provided on a STRFMT mismatch

* Add an assert to check for a very unlikely bug
 2021-03-02 16:34:19 +01:00
Rangi
56071599e7 Allow trailing commas in bare lists 
This applies to macro arguments, DB, DW, DL, DS,
PRINT, PRINTLN, EXPORT, PURGE, and OPT.

It also removes support for empty entries in DB/DW/DL.
(Deprecating it would require keeping parser support,
which is ambiguous with trailing commas.)

Fixes #753
 2021-03-02 11:48:20 +01:00
Rangi
0774f5eb9d Rename math.c/mymath.h to fixpoint.c/.h 
This also changes the functions' prefix
from "math_" to "fix_".
 2021-03-02 11:40:03 +01:00
Rangi
1dafc1c762 Allow empty macro arguments, with a warning 
Fixes #739
 2021-02-28 10:38:49 -08:00
Rangi
d4028fff10 Prevent ELIF or ELSE after an ELSE 
Fixes #749
 2021-02-25 04:39:49 +01:00
dannye
929e2a4490 rgbasm: Report conflicting file/line number for duplicate sections 2021-02-23 20:08:59 +01:00
Rangi
8c0275480c Allow ds to take multiple values to repeat for a count (#725) 
Fixes #722
 2021-02-16 22:01:23 -05:00
Rangi
76d6ef8695 Implement LOAD UNION and LOAD FRAGMENT 
Fix #632
 2021-02-17 03:42:06 +01:00
Rangi
ee20d9010e Make @ relative to the start of a ds even at link time 
Fix #737
 2021-02-16 22:47:07 +01:00
Rangi
cb61da8842 -Wmacro-shift warns about shifting macro arguments too far (#741) 
Fixes #735
 2021-02-16 16:31:01 -05:00
Rangi
ebb5aab6db Correct some comments 
nPCOffset no longer exists, and the lexer only
returns T_NEWLINE for EOF in raw mode.
 2021-02-14 16:16:52 +01:00
ISSOtm
b3c0db218d Remove "EOF-newline" lexer hack 
In preparation for an upcoming change
Makes for nicer error messages, complaining about EOF instead of newlines
The hack had to be kept for the lexer raw mode to avoid a bug;
see the relevant code comment for more info.
 2021-02-11 12:48:37 +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
fa0fa4d5ac Significantly overhaul OPT code 
Simplify the mess that was option setting (2 redundant variables !?)
Move options to a separate file
Have "modules" own their options, and OPT only access them (less redundancy)
Simplify code, respect naming conventions better
 2021-01-22 10:41:09 +01:00
ISSOtm
1487eebe79 Remove time counter 
Nobody uses that, and it requires running extra code for each line
 2021-01-22 08:51:57 +01:00
Rangi
fb39c3a70e Consistently refer to "directives", not "pseudo-ops" 
Some docs and warnings already referred to SECTION and
db/dw/dl "directives", but others used "pseudo-ops".
 2021-01-19 15:03:22 +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
7e3fc1db03 Fix Actions CI for MSVC 
Fixes #616
 2021-01-04 02:01:25 +01:00
Rangi
77279984a5 Implement STRRPL 
Fixes #660

STRRPL(str, "", new) does nothing
(warn about it with -Wempty-strrpl)
 2021-01-04 00:20:35 +01:00
Rangi
9d2d5cfcfe Implement REDEF to allow redefining EQUS string equates 
Fixes #677
 2021-01-02 01:49:00 +01:00
Rangi
895ec5564d Update mathematical functions (#675) 
Document the existing `ROUND`, `CEIL`, and `FLOOR` functions
Also update the trig function docs for searchability

Implement `POW` and `LOG`
Addresses part of #675

Implement ** for integer exponents
** has higher precedence than -, like Python, so -3**4 == -(3**4) == 81
 2021-01-02 01:39:20 +01:00
Rangi
7bb6f71f0b Change FOREACH to FOR (#680) 2021-01-02 00:46:26 +01:00
Rangi
10e3f1a02b Deprecate built-in _PI 
Fixes #670
 2021-01-01 19:18:17 +01:00
Rangi
c0ce1da4c3 Implement STRFMT and more printf-like format specifiers for string interpolation (#646) 
Fixes #570
Fixes #178

Use errors for inapplicable format spec flags instead of -Wstring-format
 2020-12-29 22:53:15 +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
Rangi
ad6f17cd93 Support SOURCE_DATE_EPOCH for reproducible builds 
See https://reproducible-builds.org/docs/source-date-epoch/

Fixes #286
 2020-12-19 01:09:45 +01:00
Rangi
f31deb5010 Fix STRUPR and STRLWR after 5aabb915ec 
Fixes #647
 2020-12-15 20:18:45 +01:00
ISSOtm
8f2a894b88 Add anonymous labels 
Fix #497
 2020-12-14 10:14:40 +01:00
Rangi
0e40543757 Implement \# to expand to all unshifted macro arguments 
Fixes #596
 2020-12-14 00:12:36 +01:00
ISSOtm
0d9de01f9d Make charmap-converting a non-UTF8 string non-fatal 2020-12-12 14:16:50 +01:00
Rangi
165bd8cb71 Allow 'dw' and 'dl' to apply to characters of strings 
Fixes #568

The old behavior of `dw "string"` can be replicated with `dw ("string")`; likewise for dl
 2020-12-11 11:02:20 +01:00