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907 Commits 1 Branch 14 Tags 3.4 MiB
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425 Commits

Author SHA1 Message Date
Zachary Snow effeded6d1 support procedural continuous assignments 2022-05-10 12:11:32 -04:00
Zachary Snow e778a671e1 generate explicit sensitivity lists when necessary 2022-05-10 11:29:33 -04:00
Zachary Snow b7a2327668 simple for loop elaboration applies in more cases 2022-04-30 20:19:02 -06:00
Zachary Snow 5e17ef0df3 bump iverilog 2022-04-11 18:04:57 -06:00
Zachary Snow f68bf187af refactor event control internals 
- event expressions use Expr over LHS
- stricter AST representation of event controls
- property specs use event expressions directly
 2022-04-11 17:44:47 -06:00
Zachary Snow abbcaae02c default to python3 for number gen.py 2022-04-04 12:26:15 -06:00
Zachary Snow f868f06e88 write adjacent overwrites existing files 2022-03-16 15:34:29 +01:00
Zachary Snow ed09fe88cf support assignments within expressions 2022-03-12 23:57:17 +01:00
Zachary Snow 4ced649a87 convert do while loops 2022-03-11 11:32:54 +01:00
Zachary Snow 1315bed81c support cycle delay range in sequence expressions 2022-03-09 18:38:30 +01:00
Zachary Snow e6e96b622b support for edge event 2022-02-16 12:01:58 +01:00
Zachary Snow 53fa152fc4 upgrade to latest iverilog 2022-02-15 19:14:55 +01:00
Zachary Snow 3db72c4c2d logic conversion ignores LHSs in procedural assignment senses 2022-02-15 17:49:50 +01:00
Zachary Snow 5b5bed8c72 fix dev iverilog test incompatibilities 2022-02-15 15:38:16 +01:00
Zachary Snow 96cfe18ca7 pass through support for functions with output ports 2022-02-07 23:38:11 +01:00
Zachary Snow eb42042c1c pass through support for DPI imports and exports 2022-01-25 20:52:14 -07:00
Zachary Snow 2e43dfeeaa fix failed indirection of unassigned function results 2022-01-23 22:40:43 -07:00
Zachary Snow 4c3dcf5219 support for enumerated type ranges 2021-12-10 13:16:34 -07:00
Zachary Snow 03a913ad65 fix illegal removal of width-extending `+ 0` and `* 1` 2021-11-15 21:26:08 +01:00
Zachary Snow 5105ccbb39 use scoped errors in struct conversion 2021-10-17 21:40:12 -06:00
Zachary Snow 150b7f2af1 enum item conflict raises scoped error 2021-10-10 22:04:51 -06:00
Zachary Snow d1d81eb8d6 use scoped errors in interface conversion 2021-10-07 21:06:45 -06:00
Zachary Snow 84edbae503 preliminary scoped errors with approximate source location 
- scoped traversals can now raise errors which contain the path of the
  current scope and an approximate source location based on preceding
  trace comments, if available
- initially, this new error messaging has only been added for the
  illegal size cast checks in the TypeOf and Cast conversions
- error suite tests can provide a verbose mode expected source location
 2021-10-06 22:17:41 -06:00
Zachary Snow f061e88214 cleanup error suite infrastructure 
- error suite runs in both regular and verbose mode
- add helper for extracting "flags" from test files
- common assertMatch, assertNotMatch helpers
- remove unused assertExists helper
- fix un-escaped wildcard in assert_deferred_nonzero.sv
 2021-10-05 14:25:10 -06:00
Zachary Snow ff241115c4 forbid bit-selects and part-selects of scalar struct fields 2021-09-27 21:52:37 -06:00
Zachary Snow 814f96597e fix assertion removal in verbose mode causing orphaned statements 2021-09-24 12:36:49 -04:00
Zachary Snow b1f1b822e9 fix conversion of interface-based typedefs 2021-09-18 21:46:32 -04:00
Zachary Snow 6788ecbf82 fix interface traversal of exprs in types, and support module-scoped modport refs 2021-09-18 21:01:28 -04:00
Zachary Snow e169c907f4 fix preprocessing of line comments not preceded by whitespace 2021-09-13 20:46:59 -04:00
Saw Xue Zheng 8ecd2c6e52
fix common_module_item to include deferred_assertion_item (#178) 2021-09-11 15:22:04 -04:00
Zachary Snow 598b4260b6 apply port standardization to tasks and functions 2021-09-06 21:48:08 -04:00
Zachary Snow 95c2bc996c support for common non-ANSI style port declarations 
Specifically, support has been added for non-ANSI style port
declarations where the port declaration is separate from the
corresponding net or variable declaration.
 2021-09-06 21:10:49 -04:00
Zachary Snow d335d2ff25 use UTF-8 across all platforms 
- all inputs are now decoded as UTF-8, regardless of the platform
- decoding failures are now tolerated via transliteration given errant
  characters are generally expected to appear in comments
 2021-08-30 10:39:49 -06:00
Zachary Snow da2d4117f2 specialized parsing for parameter port lists 
This adds support for typed valued parameters declared in parameter port
lists without explicitly providing a leading `parameter` or `localparam`
marker.
 2021-08-20 18:08:14 -06:00
Zachary Snow 77ee49a80e allow space between @ and * 2021-08-19 16:01:45 -06:00
Zachary Snow 47c05c04b8 support parameters which use a type-of as the data type 2021-08-18 13:33:40 -06:00
Zachary Snow 9acdb848c9 ensure arrays used in nested ternary expressions are properly flattened 2021-08-18 10:25:14 -06:00
Zachary Snow 7ccab1c70a fix parsing of sized ports with implicit directions 2021-08-17 10:27:17 -06:00
Zachary Snow 7325bd7976 support bare delay controls with real number delays 2021-08-17 09:53:28 -06:00
Zachary Snow cd45696ace parse alternate spacings of sense star 2021-08-16 22:39:33 -06:00
Zachary Snow c17d859988 tolerate escaped vendor comments within macros 2021-08-16 18:22:04 -06:00
Zachary Snow 581a7911de support for deferred immediate assertion statements 2021-08-16 17:50:23 -06:00
Zachary Snow 4ded2a598d apply implicit port directions to tasks and functions 2021-08-15 12:25:32 -07:00
Zachary Snow 61ccf3cb22 remove unintentional tabs in struct_pattern_cast.v 2021-08-15 12:23:13 -07:00
Zachary Snow 306d71334b refactor sizing and truncation of integer literals 
- use iverilog's -gstrict-expr-width throughout test suite
- add warnings for excess bits or padding zeroes in number literals
- add new --oversized-numbers parameter to retain support for unsized
  numbers wider than 32 bits
- localized use of oversized numbers to new truncate test suite which
  verifies the behavior of both modes, and compares against the known
  behavior of iverilog
 2021-08-09 22:10:29 -06:00
Zachary Snow 5e5ddca444 fix broken two's complement logic 2021-08-08 21:36:36 -06:00
Zachary Snow 59d37468a4 fix internal interpretation of negative number literals 
- detect and forbid non-positive size casts
- detect and forbid negative struct pattern literal indices
- avoid invalid constant folding of negative based literals
 2021-08-07 21:11:35 -06:00
Zachary Snow 527b59ff12 upgrade iverilog to lastest on v11-branch 
Workarounds for resolved iverilog issues have been removed.
 2021-08-04 17:50:53 -06:00
Zachary Snow 44c2e870f0 test runner checks for warnings emitted by sv2v 2021-08-02 09:18:45 -06:00
Zachary Snow 543b4590cb streamline iverilog test wrapper 2021-08-01 16:38:41 -06:00