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852 Commits

Author SHA1 Message Date
Zachary Snow bef9b1a3f0 allow inout task and function ports 2023-07-26 23:42:51 -04:00
Zachary Snow a29564459b remove long-deprecated CLI flag aliases 2023-06-24 13:11:21 -04:00
Zachary Snow 1c74178417 use the tag alone as the version for future releases 2023-06-24 12:51:42 -04:00
Zachary Snow 2d32fe9c2d minor help text updates 2023-06-22 00:05:06 -04:00
Zachary Snow 04d65bb388 added --write directory mode with one file per module 2023-06-21 08:25:42 -04:00
Zachary Snow 911243dac4 add --top for filtering uninstantiated modules 2023-06-18 22:36:43 -04:00
Zachary Snow 3b2a55a69c better error message for indexed atoms 2023-06-18 22:18:20 -04:00
Zachary Snow c103d0cb67 bump license year 2023-06-18 15:02:05 -04:00
Zachary Snow a05659cd06 better unfinished conditional directive error message 2023-06-17 12:56:23 -04:00
Zachary Snow 80095810b9 remove unneeded FlexibleInstances pragma in Type.hs 2023-06-13 23:07:21 -04:00
Zachary Snow 51c90baf5e support for loading from library directories 2023-06-13 22:53:36 -04:00
Zachary Snow aa429204ea minor AlwaysKW coverage improvements 2023-06-10 23:52:17 -04:00
Zachary Snow 2bb9c82c1e drop Eq instance for AlwaysKW Kind 2023-06-06 23:59:29 -04:00
CORRADI Quentin 4756f49750
avoid dangling procedural else 
* Remove unneeded begin/end when the loop is a do/while
* Dangling else check passes through statement attributes (bug fix)
* Dangling else check passes through most control flow structures to reduce unneeded begin/end
* Add test case and update changelog

---------

Co-authored-by: qcorradi <q.corradi22@imperial.ac.uk>
Co-authored-by: Zachary Snow <zach@zachjs.com>
 2023-06-06 00:08:56 -04:00
qcorradi 485ffffa01 always kw conversion visits items with attributes 
* Fixing a bug where always_* are not converted when attributed
* Added tests and updated Changelog for the attributed always_* fix
 2023-05-30 23:39:47 -04:00
Zachary Snow 0a7b0250e7 fix 1364-2001 and 1364-2001-noconfig keywords mixup 
- swap 1364-2001 and 1364-2001-noconfig
- fix existing begin_keywords test
- add keyword test suite for all keywords
 2023-05-15 22:21:23 -04:00
Zachary Snow 2aff725ea2 drop tf block edge case 
- The deleted chunk in TFBlock has been unreachable since 57ef23ef. The
  RemoveComments change would make it reachable by dropping the leading
  Null in a task or function body.
- The optimization in TFBlock was unsound because the nested block could
  shadow identifiers used (but not defined) in the tail of the outer
  block.
- The optimization is not clearly necessary, so I'm dropping it for now.
- Expand tf_block test coverage.
 2023-05-14 23:18:58 -04:00
Zachary Snow 6c4ee8f4bc keep explicitly unconnected port bindings 
These are now kept while still supporting optional trailing commas and
without introducing pass-through inconsistencies.
 2023-05-10 08:48:15 -04:00
Zachary Snow 83f2dbde6b clean up interface check decl type 2023-05-08 23:55:58 -04:00
Zachary Snow 11a5d0479d support for sequence and property declarations 2023-05-07 16:45:06 -04:00
Zachary Snow 1b8aace145 check for module or interface names used as type names 2023-05-07 13:45:56 -04:00
Zachary Snow b7738a3238 don't use positional error message on extra named bindings 2023-04-26 09:07:18 -04:00
Zachary Snow e4c47363bb ignore port connection attributions 2023-04-21 08:29:27 -04:00
Zachary Snow eca8714de7 skip start of block before looking for its end 2023-03-07 23:54:56 -05:00
Zachary Snow 4ce177c074 multipack conversion visits exprs within types 2023-02-22 00:15:39 -05:00
Zachary Snow 9bab0448e3 drop explicit string type from parameters 2023-01-07 18:27:25 -07:00
Zachary Snow c840bcd623 prefer larger base when concatenating numbers 2022-12-24 09:56:27 -07:00
Zachary Snow 96a108ded7 constant folding extensions 
- fold string literal comparisons
- fold non-decimal bit shifts
- fold non-decimal integer comparisons
- fold decimal bitwise AND and OR
- simplify cast expressions before elaboration
- remove duplicate cast expression traversal
- flatten concatenated numbers in a single pass
 2022-12-24 01:12:50 -07:00
Zachary Snow e09aea48e0 type inference for localparams performed lazily 
The implicit type of a localparam is not always needed. This improves
performance when complex localparam expressions are processed.
 2022-12-24 01:01:38 -07:00
Zachary Snow 9de4d44305 simplify handles shadowing via vars and genvars 2022-12-24 00:51:05 -07:00
Zachary Snow 72ab639699 forbid non-void return inside void functions 2022-12-23 19:55:44 -07:00
Zachary Snow c49fad1dba drop unneeded module-scoped references 2022-10-29 13:22:53 -04:00
Zachary Snow 086eb78688 elaborate accesses to fields of struct constants 2022-10-23 11:52:22 -07:00
Zachary Snow 4533e4fffb don't inline module-level constants into static prefixes 2022-10-22 18:02:54 -07:00
Zachary Snow e00582de8f check for conflicts with unused declarations 2022-07-18 21:05:21 -04:00
Zachary Snow a9f00cce2a avoid name conflicts when elaborating packages 2022-07-17 22:02:15 -04:00
Zachary Snow a54be8dae6 instances supply names during reordering 2022-07-17 20:58:36 -04:00
Zachary Snow 59b416f9b4 isolate interface name resolution checks 2022-07-17 20:32:56 -04:00
Zachary Snow 6e8659a537 support hierarchical calls to functions with no inputs 2022-07-10 22:43:33 -04:00
Zachary Snow 5dcbce5f45 fix conversion of casts to structs containing multidimensional fields 2022-06-19 21:55:19 -04:00
Zachary Snow e7fc1e6147 remove legacy tagging logic in array flattening conversion 2022-06-19 19:27:17 -04:00
Zachary Snow 336812ff21 fix conversion of signed struct fields accessed directly 2022-06-19 16:13:56 -04:00
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 9eceb55673 defer elaboration of void functions 2022-05-02 14:45:10 -06:00
Zachary Snow b7a2327668 simple for loop elaboration applies in more cases 2022-04-30 20:19:02 -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 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 3db72c4c2d logic conversion ignores LHSs in procedural assignment senses 2022-02-15 17:49:50 +01:00
Zachary Snow bcc404b8ae bump license year 2022-02-12 14:23:42 +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 c843efd504 add UnbasedUnsized to --exclude help message 2021-10-13 20:18:15 -06:00
Zachary Snow 150b7f2af1 enum item conflict raises scoped error 2021-10-10 22:04:51 -06:00
Zachary Snow fd64d4e3f2 remove two unreachable LHS conversion errors 2021-10-09 21:18:44 -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 3abe12dfbd support exclusion of the unbased unsized conversion 2021-10-03 15:00:59 -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 55afc58f73 simplify interface parameter override logic 2021-09-20 23:49:43 -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 e42fbfa23c restructure scoper run and eval interface 2021-09-16 23:35:16 -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 88d632fb14 restrict implicit logic to output ports 2021-09-07 13:06:24 -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 407ba59042 add internal --dump-prefix utility 2021-09-05 19:54:36 -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 bceec39339 standardize input handle logic 2021-08-26 14:26:22 -06:00
Zachary Snow 40f66e0212 add type signatures for all parser rules 
This works around a compilation performance regression in GHC 9.0.1:
https://gitlab.haskell.org/ghc/ghc/-/issues/20261. This also speeds up
compilation on other versions.
 2021-08-24 09:20:55 -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 bf029068af move exprToType utility outside to language module 2021-08-18 13:07:42 -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 30acc3e3f9 fix spacing of as-patterns for future GHC upgrade 2021-08-12 16:13:12 -06:00
Zachary Snow 536eba46b9 use bimapM for mapBothM 2021-08-10 09:48:13 -06:00
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 7e9fb3379c refactor internal frontend interface 
- add unified frontend configuration record to make adding future
  options easier
- use ExceptT throughout, rather than using runExceptT at internal
  boundaries
 2021-08-06 22:23:34 -06:00
Zachary Snow c5691d9500 move --pass-through to the conversion option group 2021-08-05 22:16:39 -06:00
Zachary Snow 2a551e1059 upgrade to GHC 8.10.4 
- upgrade to happy 1.20
- placate GHC warning on version fallback
- fix stack sdist failure
 2021-07-30 13:54:05 -04:00