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Author SHA1 Message Date
Rangi aaa92659ea Require a plus sign in ld hl, sp + <e8> 
Fixes #810
 2021-03-30 13:05:21 -04:00
Rangi be877134e5 Remove support for ld bc/de/hl/sp for ld hl, bc/de/hl/sp 
Fixes #811
 2021-03-30 13:01:49 -04:00
Rangi d05703c692 Release 0.5.0-rc2 2021-03-28 17:15:44 -04:00
Rangi 5dbfafcc55 Update man page copyrights to 2021 2021-03-28 16:37:15 -04:00
Rangi a265b85d9d Report "1 error", not "1 errors", when assembly is aborted 
This matches other such pluralized error messages
 2021-03-28 15:55:32 -04:00
Rangi 28abf03c0a Output USED space, not FREE space, in the .map file 
Fixes #808
 2021-03-28 15:49:44 -04:00
Rangi 7e7f92f18c Assign section locations to all UNIONs/FRAGMENTs 
Fixes the test case from #800

The `out.gb` output was corrected, since the two "test"
fragments have a different order in ROM than in SRAM.
It is effectively:

; ROM0[$0000], fragments ordered by size
    jr Label
    dw Label
    db 0

; SRAM[$a000], fragments ordered by .o order
    ds 1  ; db 0
    ds 2  ; jr Label
Label:    ; $a003
    ds 2  ; dw Label
 2021-03-28 15:21:17 -04:00
Rangi 17752d7094 Backslash in normal lexer mode must be a line continuation 
Macro args were already handled by `peek`, and character escapes
do not exist outside of string literals.

This only affects the error message printed when a non-whitespace
character comes after the backslash. Instead of "Illegal character
escape '%s'", it will print "Begun line continuation, but
encountered character '%s'".
 2021-03-26 13:23:05 -04:00
Rangi aa99ed056c Do not evaluate an untaken ELIF's condition 
Fixes #764
 2021-03-23 16:20:24 +01:00
Rangi 093631ca0b Revise rgbasm(5) string symbol documentation 
Clarify the differences between EQUS expansion and {interpolation}
 2021-03-19 01:48:36 +01:00
Rangi 7e127a4e52 Don't expand string symbols in MACRO and FOR symbol names 
Explicit {interpolation} can still achieve this, but
to match DEF, REDEF, and PURGE, these new directives that
define symbols do not expand string EQUS.
 2021-03-19 01:48:36 +01:00
Rangi b8093847dc New definition syntax with leading DEF keyword 
This will enable fixing #457 later once the old
definition syntax is removed.
 2021-03-19 01:48:36 +01:00
Rangi 8d1b56bcf5 rgblink identifies patches' PC sections after reading all sections 
Fixes #794
 2021-03-18 23:53:54 +01:00
Rangi ee900ae7a3 Add a missing newline to a verbosePrint 2021-03-17 20:53:25 -04:00
Rangi 88646093ca Swap the Name and Type columns in Predeclared Symbols 2021-03-05 17:00:06 -05:00
Rangi 88048cdcd7 Clarify the character encoding example in rgbasm.5 2021-03-05 10:08:43 -05:00
Rangi 8a75cc5051 Test an indented anonymous label 2021-03-03 12:26:35 -05:00
Rangi b674c5fcaa Comment refers to "built-in" symbols 2021-03-03 10:35:47 -05:00
Rangi 365484ef18 Factor out handleCRLF() 
This logic repeats ten times
 2021-03-03 10:03:52 +01:00
Rangi 5e2bd35239 Factor out a 'plain_directive' parser rule similar to the reverted 'last_line' 
Also expand on the comment explaining how the EOF-newline hack affects the parser
 2021-03-02 20:46:17 -05:00
Rangi 6655e04ef0 Restore the "EOF-newline" lexer hack 
This was removed in b3c0db218d
(along with two unrelated changes).

Removing this hack introduced issue #742, whereby INCLUDing
a file without a trailing newline can cause a syntax error.

A more proper fix would involve Bison's tracking locations,
but for now the EOF-newline hack fixes the issue while only
affecting some reported errors (expecting "newline"
instead of "end of file").

Fixes #742
 2021-03-02 16:53:56 -08:00
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 c637447d5d Make the "db/dw/dl directive without data in ROM" warning more specific 
Also use uppercase for DB/DW/DL to be consistent
 2021-03-02 11:48:20 +01:00
Rangi ac2cefdd87 Refactor some math functions into a shared file for rgbasm and rgblink 
Fixes #769

Fixes #770
 2021-03-02 11:40:03 +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 76d8862900 Refactor part of getSection into createSection 
getSection validates its parameters and calls
either mergeSections or createSection.
 2021-02-28 16:12:03 -05:00
Rangi 1dafc1c762 Allow empty macro arguments, with a warning 
Fixes #739
 2021-02-28 10:38:49 -08:00
Rangi 63d15ac8c9 append_yylval_tzString should always evaluate its argument 
Fixes #762
 2021-02-28 10:38:49 -08:00
Rangi 1f579deaff Trim right whitespace from macro args before warning about length 2021-02-28 10:38:49 -08:00
Rangi fad48326f8 Support /* block comments */ in macro arguments 
Fixes #746
 2021-02-28 10:38:49 -08:00
Rangi 953f79c0d9 Support 'MACRO mac' as well as 'mac: MACRO' for defining macros 
The new syntax is used in documentation, but
the old syntax is not yet deprecated.
 2021-02-25 04:42:35 +01:00
Rangi 3c5e1caa7c Disallow "." as a local label 
Fixes #760
 2021-02-25 04:40:42 +01:00
Rangi d4028fff10 Prevent ELIF or ELSE after an ELSE 
Fixes #749
 2021-02-25 04:39:49 +01:00
Rangi dd892d61d8 Correct rgbasm(5) about whitespace before labels 
Also rephrase some more label-related documentation
 2021-02-23 15:31:29 -05:00
Rangi a09f2d4115 Test an indented macro label 2021-02-23 14:48:27 -05:00
Rangi 037bc7abb3 Add an rgblink test case for an $8000-byte ROM0 section with -t 2021-02-21 16:30:02 -05:00
Rangi 39c179aa32 Fix missing newline in a dbgPrint 2021-02-17 13:14:02 -05:00
Rangi 5c1ae4ce22 Shorter quine test cases 2021-02-17 11:51:21 -05:00
Rangi efbfeca292 Avoid two peek(1) calls when lexing """multi-line strings""" 2021-02-17 10:36:36 -05:00
Rangi 7dd34f1572 Format INT32_MIN as '-2147483648', not '--2147483648' 2021-02-17 09:48:40 -05:00
Rangi 748e7dd4c7 Fix calculation of 2**30 
In exponent(), 'base *= base;' should not run
when base is 65536, since it overflows an int32_t.

This also optimizes exponent() based on
gcc and clang -O3 test cases in godbolt.org.
 2021-02-17 09:25:02 -05:00
Rangi 76d6ef8695 Implement LOAD UNION and LOAD FRAGMENT 
Fix #632
 2021-02-17 03:42:06 +01:00
Rangi c67a696a87 Use macros to convert between radians and fixed-point 65536ths 2021-02-16 18:07:05 -05:00
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 dddff0f450 Cannot start a new section that's already on the stack 
This is only relevant for FRAGMENT or UNION sections, since
normal ones would fail with "Section already defined previously".

Fixes #730
 2021-02-16 21:51:48 +01:00
Rangi 8f20620c16 Allow shifting macro arguments by a negative amount 
Fixes #733
 2021-02-14 16:21:00 +01:00
Rangi 96bce05be2 Newlines in multi-line strings update the line number 
This affects error and warning messages, and dbgPrint
 2021-02-14 16:16:52 +01:00
Rangi fc2bf3d11d Prefer sizeof($$) to MAXSTRLEN + 1 
This makes `strsubUTF8` similar to `strrpl` and `strfmt`
 2021-02-14 16:16:52 +01:00
Rangi 8415ce3ed0 Correct the keywordDict size 
The stale keywords XDEF and GLOBAL were removed,
so there can be fewer keyword nodes.
 2021-02-14 16:16:52 +01:00
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
Rangi 464a3a4892 Separate extern getopt implementation from the unistd.h one 
Fixes #710
 2021-02-12 00:29:21 +01:00
Rangi e3d355d976 Attempt to recover from syntax errors with bison 
Fixes #595
 2021-01-22 15:54:24 +01:00
Rangi f28b4abafc Fix a potential buffer overflow in strrpl 
This caused an error using clang with -O3 -flto
 2021-01-20 10:21:53 +01:00
Rangi d5a00cf634 Comment cites the string hash algorithm (djb2) 
"If you just want to have a good hash function,
and cannot wait, djb2 is one of the best string
hash functions I know."
 2021-01-19 15:03:22 +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 93d83e17dc Don't override bison's internal 'yytnamerr' function 
This is not used in all bison versions, which causes a
"defined but not used" warning for the 'rgbasm_yytnamerr'
replacement, treated as an error by 'make develop'.
 2021-01-15 11:51:31 +01:00
Rangi df16e64fc6 Handle MACRO and REPT/FOR bodies differently 
Fixes #697
 2021-01-15 02:16:37 +01:00
Rangi a4ebb87858 Add Rangi to contributors 2021-01-14 18:36:10 +01:00
Rangi 5ef8e0a1f6 Use an IELR parser if available 2021-01-14 18:36:10 +01:00
Rangi eb4952c188 Use more verbose syntax error messages 
Fixes #385
 2021-01-14 18:36:10 +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 7ce5cf1595 Convert floating to fixed point by rounding, not truncation 
Fixes #678
 2021-01-04 21:23:43 +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 669a392fcd Revise the rgbasm(5) docs 2021-01-02 08:29:57 +01:00
Rangi 9d2d5cfcfe Implement REDEF to allow redefining EQUS string equates 
Fixes #677
 2021-01-02 01:49:00 +01:00
Rangi 10e3f1a02b Deprecate built-in _PI 
Fixes #670
 2021-01-01 19:18:17 +01:00
Rangi 3690546795 make checkpatch and make checkcodebase check the same files 
Only check src and include (not test), and
exclude src/extern and include/extern.
 2020-12-29 20:27:00 +01:00
Rangi 255b8bf9ba Implement """triple-quoted""" multi-line strings 
Fixes #589
 2020-12-19 12:34:32 +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 063a22ddf9 LOAD blocks cannot create a ROM section 
Fixes #576
 2020-12-19 00:58:54 +01:00
Rangi 1d9cc01ae1 Macro arguments within a string literal are read into the string, not expanded 
Fixes #643
 2020-12-15 21:28:15 +01:00
Rangi f31deb5010 Fix STRUPR and STRLWR after 5aabb915ec 
Fixes #647
 2020-12-15 20:18:45 +01:00
Rangi 0956d300c4 Document \# 2020-12-14 10:48:03 +01:00
Rangi 0e40543757 Implement \# to expand to all unshifted macro arguments 
Fixes #596
 2020-12-14 00:12:36 +01:00
Rangi ce58f6d6be Allow {symbol} interpolation outside of strings 
Fixes #629

Closes #631
 2020-12-13 23:53:16 +01:00
Rangi e6552064bf Specify rgbfix --mbc-type by name 
This supports the names listed in Pan Docs:
https://gbdev.io/pandocs/#_0147-cartridge-type
Spaces may be replaced with underscores.

It also supports "ROM" for "ROM ONLY".
 2020-12-12 01:53:42 +01:00
Rangi 861cb552c4 discardBlockComment sets lexerState->disableMacroArgs = true, like discardComment 2020-12-12 01:34:01 +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
Rangi af530859f0 Allow underscores in numeric literals 
Fixes #539

Changes \@'s output to start with "_u", not "_", so it will be valid within labels but not numerics
 2020-12-10 15:34:21 +01:00
Rangi 58739b0bf2 Implement STRRIN, like STRIN but searching from the right 2020-12-10 15:32:17 +01:00
Rangi 7c8ec5a5ed Add a test case for charmaps that segfaults prior to this fix 2020-10-09 20:06:02 -04:00
Rangi effc6788eb Fix #586 segfault: Update the charmaps hashmap when an existing charmap is resized 2020-10-07 13:21:13 -04:00
Rangi b65b723fa6 Resolve #554: STRSUB("<N-char string>", N, 0) will not warn "Position N is past the end of the string" 2020-08-31 15:40:25 -04:00