Commit Graph

8573 Commits

Author SHA1 Message Date
Stephen Williams da36cee8f0 Detect errors elaborating delay expressions. 2019-10-01 09:29:13 -07:00
Martin Whitaker 1cc872be8c Downward references may also activate potential imports. 2019-10-01 09:08:15 +01:00
Martin Whitaker 1fca7b41a4 Delay potential imports for task/function calls until end of scope.
A local task/function definition takes precedence, even if it appears
after the call.
2019-10-01 09:08:07 +01:00
Martin Whitaker 17f0dd7e6e Enable package imports in blocks. 2019-10-01 09:07:59 +01:00
Martin Whitaker c5c264400e Add support for package scope resolution for named events. 2019-10-01 09:07:54 +01:00
Martin Whitaker 12fe4f2bf3 Fix handling of wildcard-imported types.
Don't add them to the explicit imports until they are referenced legally.
Stop searching when a matching name is found, even if it isn't a type name.
2019-10-01 09:07:48 +01:00
Martin Whitaker b0142a6406 Add support for named events in packages. 2019-10-01 09:07:39 +01:00
Martin Whitaker 1e26a808ad Fix error message for failed elaboration of event expression. 2019-10-01 09:07:30 +01:00
Martin Whitaker f69eccf903 Merge remote-tracking branch 'origin/master' into package-imports-rework 2019-10-01 09:06:15 +01:00
Cary R ea4e41207c Update cppcheck standards that are checked 2019-09-30 22:14:15 -07:00
Stephen Williams 1d2259e0a7 Merge branch 'master' of github.com:steveicarus/iverilog 2019-09-30 13:14:58 -07:00
Stephen Williams 3cc6e74e38 Have $readmem() print a warning if there are too many digits in words.
If there are more digits than needed to fill a word, print a warning
message. The excess bits are thrown away, so there is no need for an
error.
2019-09-30 13:14:40 -07:00
Stephen Williams d232335d9d
Merge pull request #267 from sielicki/master
replace deprecated yacc directives
2019-09-30 08:23:38 -07:00
Stephen Williams 80478db6cc Support typedefs in class definitions. 2019-09-30 08:07:56 -07:00
Cary R 6d71870853 Merge branch 'master' of github.com:steveicarus/iverilog 2019-09-29 20:20:23 -07:00
Cary R 5047aa2839 Add support for recursive function support for always_* sensitivity 2019-09-29 20:20:10 -07:00
Stephen Williams 185586e5ec Merge branch 'master' of github.com:steveicarus/iverilog 2019-09-29 18:37:39 -07:00
Stephen Williams 50d71c8512 Support for enumerations in classes. 2019-09-29 18:27:27 -07:00
Cary R e4ef928751 Fix some space issues 2019-09-29 17:11:19 -07:00
Cary R ba82ef463e Fix some always_* issues 2019-09-29 16:59:59 -07:00
Nicholas Sielicki 031caca8ca
replace deprecated yacc directives
bison 3.4.2 complains when encountering '%pure-parser':
"warning: deprecated directive, use ‘%define api.pure’"

A quick google suggests this option has been around since at least
2012, maybe longer, so probably safe to replace.

Signed-off-by: Nicholas Sielicki <sielicki@yandex.com>
2019-09-29 18:19:45 -05:00
Cary R 8a85d62ec7 Update to latest GTKWave files 2019-09-29 09:59:56 -07:00
Martin Whitaker e73da43cc1 Remove obsolete checks for name collisions during elaboration.
This is now handled by the parser.
2019-09-27 22:19:30 +01:00
Martin Whitaker 439688fa46 Add anonymous enums to the scope local symbols. 2019-09-27 22:19:30 +01:00
Martin Whitaker 2ae910750b Put generate case item block names in correct scope.
The compiler creates an artificial scope around the case items. We need
to add the block names to the real containing scope.
2019-09-27 22:19:30 +01:00
Martin Whitaker 03c4c63df1 Fix file/line reported for duplicate named blocks. 2019-09-27 22:19:30 +01:00
Martin Whitaker 628f5645bf Fix file/line reported for duplicate parameter declarations.
We need to retain the old parameter information until we have reported
the error.
2019-09-27 22:19:30 +01:00
Martin Whitaker d3bced57cc Correctly handle explicit and wildcard package imports.
Explicit imports should always conflict with local declarations using
the same name. Wildcard imports only conflict if they are referenced
before a local declaration with the same name.

This also unifies the detection of identifier conflicts.
2019-09-27 22:19:30 +01:00
Martin Whitaker b88d91c617 Create new base class for all named items that can be added to a scope.
Provide a helper function to identify the derived classes when reporting
errors.
2019-09-27 22:19:30 +01:00
Martin Whitaker 269ec2f042 Remove redundant checks for package imports during parsing.
The find_* and symbol_search functions now handle this.
2019-09-27 22:19:30 +01:00
Martin Whitaker 55219773fd Allow nested scopes to use their parent's imports. 2019-09-27 22:19:30 +01:00
Stephen Williams d7ee6bb6bb Support struct member part selects in l-values. 2019-09-27 13:51:51 -07:00
Stephen Williams 65aff65344 Better job choosing unique scope-local symbols during elaboration. 2019-09-25 12:18:41 -07:00
Stephen Williams ecd7b39244 Merge branch 'master' of github.com:steveicarus/iverilog 2019-09-24 15:05:51 -07:00
Stephen Williams 7b66de0711 Handle nested packed strucdts in r-values. 2019-09-24 15:05:39 -07:00
Martin Whitaker 714b211d9f Document the iverilog '-i' option in the man page. 2019-09-23 20:10:38 +01:00
Martin Whitaker abd63e80e1 With '-i', don't return an error when there are no top-level modules.
The '-i' option is there to allow the compiler to be used to check an
incomplete design for errors. With no top-level modules, nothing will
be elaborated, but at least will be checked for syntax errors.
2019-09-23 20:05:03 +01:00
Martin Whitaker 791c056b77 Document -gassertions/-gno-assertions in driver man page. 2019-09-20 21:30:43 +01:00
Martin Whitaker 823a508d6b Implement SV immediate assertions. 2019-09-20 21:30:43 +01:00
Stephen Williams 9e10645722 Merge branch 'master' of github.com:steveicarus/iverilog 2019-09-17 14:12:43 -07:00
Stephen Williams 2aa7700970 Add support for packed arrays in nested struct l-values. 2019-09-17 13:34:36 -07:00
Stephen Williams 1c281c2d77 Support nested struct l-values. 2019-09-16 13:50:17 -07:00
Martin Whitaker 41ac0b2621 Include wires in items imported by an "import ::*". 2019-09-16 20:42:32 +01:00
Martin Whitaker d6391490e3 Resize vector before assigning to a dynamic array word.
Failing to do this leads to an assertion failure in vvp.
2019-09-16 20:39:19 +01:00
Martin Whitaker 02ee1c65d0 Support dynamic array initialisation in variable declarations. 2019-09-16 20:35:27 +01:00
Stephen Williams b639c4c9aa Clean up some debug dump formatting. 2019-09-15 21:17:16 -07:00
Martin Whitaker 832adc5c74 Improve handling of invalid packed and unpacked dimensions.
As reported on iverilog-devel on 2018-10-12, a dimension size of zero
could case the compiler to go into an infinite loop. Further tests
showed that unsized or queue dimensions entered as packed dimensions
would cause the compiler to crash.
2019-09-14 09:10:52 +01:00
Martin Whitaker a6bcbc3d1d Remove obsolete private VPI functions. 2019-09-13 08:40:58 +01:00
Martin Whitaker a0ef6c4b62 Fix design dump to correctly report cast operations. 2019-09-11 22:14:03 +01:00
Martin Whitaker c066e2d15c Properly implement casts from strings and dynamic arrays to vectors.
As discussed on iverilog-devel (2018-03-09), the existing implementation
(using Icarus-specific vpi functions) only worked with assignments to
simple variables, and could not be easily modified to work more generally.
So use the new vvp instructions added in the previous two commits.
2019-09-11 22:08:46 +01:00