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Author SHA1 Message Date
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
e7d6ddf593 Fix linking tiny overlay files (#755) 
* Fix compatibility of rgblink -O and -t

The -t "tiny mode" option makes ROM0 cover 0x8000 bytes,
not 0x4000. The -O "overlay" option fills areas uncovered
by sections with data from an overlay file. These needed
to cooperate so that the calculated uncovered overlay size
does not exceed the actual size of the ROM.

Fixes #754

* Print link test names like asm tests do

* Make the three test.sh scripts more similar
 2021-02-24 23:04:51 -05:00
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
Eldred Habert
dafef5a953 Remove column 1 restriction for labels with colons (#635) 
Partial fix for #457
 2021-02-23 14:42:24 -05:00
dannye
929e2a4490 rgbasm: Report conflicting file/line number for duplicate sections 2021-02-23 20:08:59 +01:00
dannye
cc1129093d Add duplicate-section test 2021-02-23 20:08:59 +01:00
ISSOtm
72911ada2d Prevent non-numeric symbol from overriding refs 
Fixes #751
 2021-02-22 13:00:25 +01:00
Rangi
037bc7abb3 Add an rgblink test case for an $8000-byte ROM0 section with -t 2021-02-21 16:30:02 -05:00
Rangi
5fd636ac4b Implement floored / and divisor-sign % operators (#745) 
Fixes #703
 2021-02-21 16:14:44 -05:00
Rangi
a6d844a9a5 Add more test cases for IF, REPT, and MACRO (#748) 2021-02-19 19:34:21 -05:00
ISSOtm
bee62076c6 Allow ENDC at EOF without a newline 2021-02-20 00:51:33 +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
ISSOtm
c29b616f93 Fix forgotten initialization of lexerState->isReferenced 2021-02-18 16:33:06 +01:00
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
d049ffc0f0 Handle string literals within macro arguments (#685) 
Fixes #683 and #691

The lexer's raw mode for reading macro args already attempted
to handle semicolons inside string literals, versus outside ones
which start comments. This change reuses the same function for
reading string literals in normal and raw modes, also handling:

- Commas in strings versus between macro args
- Character escapes
- {Interpolations} and \1-\9 args inside vs. outside strings
- Multi-line string literals

Macro args now allow escaping '\', '"', and '\\'.

A consistent model for expanding macro args and interpolations,
within macro args, string literals, and normal context:

- "{S}" should always equal the contents of S
- "\1" should always act like quoting the value of \1
 2021-02-16 22:44:25 -05:00
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
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
2bc12447e2 Update rgbds(5) object file format documentation (#740) 2021-02-16 16:36:37 -05:00
Rangi
cb61da8842 -Wmacro-shift warns about shifting macro arguments too far (#741) 
Fixes #735
 2021-02-16 16:31:01 -05:00
ISSOtm
122ba6eba5 Update deprecated feature examples 
Those have been removed, lol
 2021-02-16 22:09:31 +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
Antonio Vivace
a919f922a1 Add FUNDING.yml to show the Sponsor button on the repository 2021-02-16 21:23:27 +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
ISSOtm
88e1cc7302 Make EOF token name consistent across Bison versions 
The "end of file" name apparently only became a default recently
 2021-02-11 13:04:43 +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
ISSOtm
76446e6d00 Change behavior of merging FRAGMENTs to constrain each fragment individually 
Additionally, remove the deprecated merging of non-fragment SECTIONs
 2021-02-10 10:19:16 +01:00
ISSOtm
6623b1dc45 Fix CI on macOS 
Apple supplies version 2.3 (from 2006!!), which doesn't support `%empty`.
 2021-01-23 13:45:12 +01:00
ISSOtm
70bbb098d3 Remove stale keywords 
They were removed from the grammar, but not the lexer
 2021-01-23 00:05:56 +01:00
ISSOtm
1926065377 Enable Bison warnings 
-Wall should be old enough.
Also use %empty instead of comments
 2021-01-23 00:05:56 +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
592e9b3725 Reorganize and comment better main() 2021-01-22 11:09:27 +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