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23ce888d65397042c2b3dd84b6a9c24bb0c5e9da
Commit Graph

165 Commits

Author SHA1 Message Date
Rangi
fa9e29e4ce Implement ++ operator for string concatenation (#1698) 2025-06-12 22:52:00 +02:00
Rangi
5d998ef483 Restrict custom binary and graphics digits (#1693) 
* Restrict custom binary and graphics digits

* Update documentation

* Fix build error
 2025-05-22 10:52:51 +02:00
Rangi
126b1e5726 Reuse startsIdentifier and continuesIdentifier functions (#1695) 2025-05-19 15:31:26 -04:00
Rangi
e45b9625ca Group sequences of garbage characters (#1672) 2025-04-30 23:31:41 -04:00
Rangi
0b7cda9e0c Allow negative values to count macro arguments from the end (#1670) 2025-04-20 00:37:50 -04:00
Rangi42
2cdbb145da Avoid use of goto in shiftChar 2025-02-27 14:17:01 -05:00
Rangi
632342b254 Use LCOV_EXCL comments to exclude some lines from test coverage (#1662) 2025-02-16 13:56:55 -05:00
Rangi
b2e865ee2a Disable EQUS expansion for raw symbols (by parsing them as strings) (#1648) 2025-02-15 10:44:51 +01:00
Rangi
3feb75f84f Implement new string functions (#1655) 
`STRFIND`, `STRRFIND`, `STRCHAR`, `STRSLICE`, `CHARCMP`, `CHARSIZE`, and `REVCHAR`
 2025-02-14 23:09:45 +01:00
Rangi42
48412e9c56 Some miscellaneous refactoring and copy-editing 2025-02-10 16:51:51 +01:00
Rangi
4c916b8da8 Parser refers to "symbol"s, "label"s, and "local label"s, not "identifier"s (#1652) 
This better matches how the lexed tokens are discussed in rgbasm(5)
 2025-02-06 18:01:33 +01:00
Rangi
c19ddc80f0 Fix failing assertion with backslash at EOF in macro arguments (#1634) 
`Expansion::advance()` can increase its offset beyond the size,
so I don't think this assumption was valid in the first place;
`BufferedContent::advance()` should be able to as well.
 2025-01-28 21:51:11 -05:00
Rangi42
d54619a453 Remove colNo column tracking from lexer 
This was added as part of 71f88717 just for debug and fstack trace
output, but we no longer output it anyway.
 2025-01-28 01:12:18 -05:00
Rangi42
cae31005f8 Always use braces with InsertBraces: true in .clang-format 2025-01-27 20:12:12 -05:00
Rangi42
01c9106b59 Include windows.h before other Win32 header files 2025-01-27 20:12:12 -05:00
Rangi42
b8b60207f5 Use // line comments not /* block comments 2025-01-27 20:12:12 -05:00
Rangi42
a354af3d08 Reformat source files with clang-format 19.1.7 2025-01-27 20:12:12 -05:00
Rangi42
890528812e Prefer C++ constructs to C-style sizeof-based macros 2025-01-24 18:56:41 -05:00
Rangi42
84f59e14ed Rename Z80 prefix to SM83 2025-01-24 12:11:46 -05:00
Rangi42
0ee4ba95b3 Replace old-style cast in Windows-only code with static_cast 2025-01-16 23:41:12 -05:00
Rangi42
4e2464a69d Replace some #define with constexpr 2025-01-04 03:53:59 -05:00
Sylvie
b877c81c32 Use C++-style casts (#1576) 2024-12-09 21:56:54 -05:00
Sylvie
573e044b30 Deprecate LDIO (#1567) 
* Deprecate `LDIO`

* `ld [$ff00+n8], a` is not treated as `ldh [n8], a`
 2024-12-05 12:49:13 -05:00
Sylvie
a2ff653a83 Fix nested undefined interpolation segfault (#1542) 2024-10-16 00:09:47 +02:00
Sylvie
a13723c523 Implement 0x/0o/0b number prefixes (#1533) 2024-10-08 15:56:00 -04:00
Rangi42
a9e49a09fd Allow tab character after backslash line continuation 2024-10-01 22:41:55 -04:00
Sylvie
6b89938da7 Avoid treating labels and macros differently in column 1 (#1515) 
Fixes #1512
 2024-09-23 01:26:25 +02:00
Sylvie
9ef2e43bf7 Track local label scope, string equated as .. (#1504) 2024-09-18 09:52:30 -04:00
Sylvie
197f6cb0ba No need for .c_str() with keywordDict lookups (#1505) 2024-09-18 12:23:05 +02:00
Rangi42
02439b18c0 \# will always be defined inside macros 
This lets the case structure here match the other branches
 2024-09-15 00:00:00 -04:00
Sylvie
122ef95d9c Implement . string constant for the current label scope (#1499) 2024-09-13 21:20:01 +02:00
Rangi42
6bc2446966 Rephrase error messages for consistency 2024-09-10 21:38:50 +02:00
Rangi42
8cd0e66297 Revert "Implement INCLUDE_ONCE directive (#1481)" 
This reverts commit 5f07095f6d.
 2024-09-08 11:30:31 -04:00
sukus
5f07095f6d Implement INCLUDE_ONCE directive (#1481) 
Identify files by (device, inode), not by path, so that symlinks,
relative paths, case-insensitive paths, or other edge cases
do not result in double includes.
 2024-09-08 00:02:02 -04:00
ISSOtm
610f04beeb Fix condition for assuming at EOF 
Part of that condition's purpose is to ensure that we read the correct
lexer state; but it's possible now for the fstack to be non-empty
*before* the lexer state is registered, i.e. if there is an error
in the function that registers it.
This causes a NULL pointer deref.
 2024-09-05 17:48:52 +02:00
Sylvie
1283b0b6a6 Allow dollar signs in identifiers (#1493) 2024-09-03 23:09:06 +02:00
Rangi42
a098213053 Rearrange switches so default cases are last 2024-09-01 13:00:04 -04:00
Sylvie
b438c83bda Implement a '#' prefix for raw identifiers that may alias keywords (#1480) 
* Implement a '#' prefix for raw identifiers that may alias keywords

* Review comments

* Disallow hashless raw identifiers in interpolations

* Run clang-format
 2024-08-21 19:31:44 +02:00
Sylvie
57c3d74b9e Use a custom generic tagged union Either instead of std::variant for efficiency (#1476) 
* Implement custom generic tagged union `Either`

This should be more efficient than `std::variant`, while still
keeping runtime safety as it `assert`s when `get`ting values.

* Use `Either` for RPN expressions

* Use `Either` for file stack node data

* Use `Either` for `File` buffer

* Use `Either` for `STRFMT` args

* Use `Either` for RGBLINK symbol values

* Support an equivalent of `std::monostate` for `Either`

* Use `Either` for lexer tokens

* Use `Either` for symbol values

* Use `Either` for lexer mmap/buffer state
 2024-08-20 21:19:11 +02:00
Rangi42
ee3a93a442 Test macro args \0 and \<0> 2024-08-18 21:38:45 -04:00
Sylvie
b987e5669f Comment the parsers better (#1463) 2024-08-09 21:36:52 -04:00
Sylvie
e93190d491 Implement BITWIDTH and TZCOUNT functions (#1450) 2024-08-07 10:39:30 -04:00
Sylvie
7435630d6a Error messages note when a symbol has been purged (#1453) 2024-08-06 15:35:06 -04:00
Sylvie
13a8895fca Improve the error messages for interpolating undefined or invalid symbols (#1423) 2024-07-25 17:36:02 -04:00
Sylvie
ee748cfe26 Miscellaneous refactoring of code and docs (#1411) 2024-06-18 20:47:31 +02:00
Sylvie
623c3f662c Allow NUL characters in strings (#1405) 2024-06-18 14:26:18 -04:00
Rangi42
39e9315e8a Use a smaller size for the lexer buffer 
Large sizes are more efficient when it's actually buffered,
but most of the time `mmap` is used instead, and the extra size
just slows down allocation of lexer states.
 2024-05-17 20:59:42 -04:00
Sylvie
e2633d5b66 Use the standard stream buffer size for the lexer buffer (#1396) 2024-05-17 11:02:36 +02:00
Sylvie
a234da42a6 Replace assert with assume for release build optimization (#1390) 2024-04-02 11:09:31 -04:00
Rangi42
eb708ebee5 Rename some variables left from the C parser (e.g. yylval) 2024-03-29 19:42:23 -04:00