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385 Commits

Author SHA1 Message Date
clairexen 7450ee7f8a
Merge pull request #2203 from antmicro/fix-grammar 
Signed and macro grammar update
 2020-07-01 16:41:32 +02:00
clairexen 8ce4f8790e
Merge pull request #2179 from splhack/static-cast 
Support SystemVerilog Static Cast
 2020-07-01 16:40:20 +02:00
Lukasz Dalek 6f9be939bd Parse macro call attached semicolon as empty expression 
Signed-off-by: Lukasz Dalek <ldalek@antmicro.com>
 2020-06-26 15:38:20 +02:00
Lukasz Dalek 7cb56f34b0 Fix integer signing grammar 
This commit fixes signed/unsigned grammar in parameters as defined in SV
LRM A2.2.1. Example of correct parameters:

parameter integer signed i = 0;
parameter integer unsigned i = 0;

Example of incorrect parameters:

parameter signed integer i = 0;
parameter unsigned integer i = 0;

Signed-off-by: Lukasz Dalek <ldalek@antmicro.com>
Signed-off-by: Kamil Rakoczy <krakoczy@antmicro.com>
 2020-06-26 15:35:56 +02:00
whitequark 12c016ebdc
Merge pull request #2188 from antmicro/missing-operators 
Add logic-assignments operators
 2020-06-26 07:30:27 +00:00
Kamil Rakoczy 539087f417 Support missing sub-assign and and-assign operators 
Signed-off-by: Kamil Rakoczy <krakoczy@antmicro.com>
 2020-06-25 13:29:06 +02:00
Lukasz Dalek a4b4c22c96 Support missing xor-assign operator 
Signed-off-by: Lukasz Dalek <ldalek@antmicro.com>
 2020-06-24 14:32:12 +02:00
Lukasz Dalek a8750b496e Support optional labels at the end of package definition 
Signed-off-by: Lukasz Dalek <ldalek@antmicro.com>
 2020-06-24 11:57:45 +02:00
Lukasz Dalek 3b81a1b809 Support optional labels at the end of module definition 
Signed-off-by: Lukasz Dalek <ldalek@antmicro.com>
 2020-06-24 11:57:45 +02:00
Kamil Rakoczy 22408f24c7 Add plus-assignment operator 
Signed-off-by: Kamil Rakoczy <krakoczy@antmicro.com>
 2020-06-24 11:54:30 +02:00
Kamil Rakoczy 416a66aee8 Add or-assignment operator 
Signed-off-by: Kamil Rakoczy <krakoczy@antmicro.com>
 2020-06-24 11:53:50 +02:00
Kazuki Sakamoto 185bbbe681 static cast: support changing size and signedness 
Support SystemVerilog Static Cast
- size
- signedness
- (type is not supposted yet)

Fix #535
 2020-06-19 17:39:20 -07:00
whitequark 7191dd16f9 Use C++11 final/override keywords. 2020-06-18 23:34:52 +00:00
Anonymous Maarten 504f220619 MSVC does not understand __builtin_unreachable 2020-06-17 15:10:08 +02:00
Anonymous Maarten 35008e6d40 MSVC cannot omit operand in conditional 2020-06-17 15:10:08 +02:00
Peter Crozier 76c499db71 Support packed arrays in struct/union. 2020-06-07 18:33:11 +01:00
Peter Crozier 0d3f7ea011
Merge branch 'master' into struct 2020-06-03 17:19:28 +01:00
whitequark 2116d9500c
Merge pull request #2033 from boqwxp/cleanup-verilog-lexer 
verilog: Move lexer location variables from global namespace to `VERILOG_FRONTEND` namespace.
 2020-05-29 06:46:33 +00:00
Rupert Swarbrick 6aa0f72ae9 Silence spurious warning in Verilog lexer when compiling with GCC 
The chosen value shouldn't have any effect. I considered something
clearly wrong like -1, but there's no checking inside the generated
lexer, and I suspect this will cause even weirder bugs if triggered
than just setting it to INITIAL.
 2020-05-26 17:54:57 +01:00
Eddie Hung c5a9abba11 verilog: move attr from simple_behav_stmt to its children to attach 2020-05-25 07:36:53 -07:00
Eddie Hung 1c117ac023 verilog: do not warn for attributes on null statements 2020-05-25 07:36:53 -07:00
Eddie Hung 88bddb37c9 verilog: handle empty generate statement by removing gen_stmt_or_null... 
... rule which causes a s/r conflict. Now we get an empty genblock,
which should be okay.
 2020-05-25 07:36:53 -07:00
Eddie Hung d21a07c7b5 verilog: fix #2037 by permitting (and freeing) attributes on null stmt 2020-05-25 07:36:53 -07:00
Eddie Hung 574812d9a5
Merge pull request #2057 from YosysHQ/eddie/fix_task_attr 
verilog: support attributes before (not after) task identifier (but 13 s/r conflicts)
 2020-05-21 11:00:36 -07:00
Eddie Hung 38e858af8d
Update frontends/verilog/verilog_parser.y 
Co-authored-by: Alberto Gonzalez <61295559+boqwxp@users.noreply.github.com>
 2020-05-21 09:10:56 -07:00
Eddie Hung 7101ef550b verilog: attributes before task enable (but 13 s/r conflicts) 2020-05-14 16:10:11 -07:00
Eddie Hung 237962debd verilog: default to input in sv mode if task/func has no dir ... 
otherwise error
 2020-05-13 13:33:37 -07:00
Peter Crozier 17f050d3c6 Allow structs within structs. 2020-05-12 17:20:34 +01:00
Peter Crozier f482c9c016 Generalise structs and add support for packed unions. 2020-05-12 14:25:33 +01:00
Eddie Hung 1f3003be7d verilog: error out when non-ANSI task/func arguments 2020-05-11 13:00:36 -07:00
Peter Crozier 0b6b47ca67 Implement SV structs. 2020-05-08 14:40:49 +01:00
Claire Wolf 0610424940
Merge pull request #2005 from YosysHQ/claire/fix1990 
Add "nowrshmsk" attribute, fix shift-and-mask bit slice write for signed offset
 2020-05-07 18:11:48 +02:00
Eddie Hung a299e606f8
Merge pull request #2028 from zachjs/master 
verilog: allow null gen-if then block
 2020-05-06 12:10:28 -07:00
Zachary Snow 8f9bba1bbf verilog: allow null gen-if then block 2020-05-06 08:43:02 -04:00
Alberto Gonzalez 323aa1df75
verilog: Move lexer location variables from global namespace to `VERILOG_FRONTEND` namespace. 2020-05-06 07:22:17 +00:00
Eddie Hung 283b1130a6
Merge pull request #2025 from YosysHQ/eddie/frontend_cleanup 
frontend: cleanup to use more ID::*, more dict<> instead of map<>
 2020-05-05 07:59:40 -07:00
Eddie Hung 7a62ee57b4
Merge pull request #2024 from YosysHQ/eddie/primitive_src 
verilog: set src attribute for primitives
 2020-05-05 06:49:18 -07:00
Eddie Hung eb5eb60fd4 verilog: fix specify src attribute 2020-05-04 10:53:06 -07:00
Eddie Hung 22bf22fab4 frontend: cleanup to use more ID::*, more dict<> instead of map<> 2020-05-04 10:48:37 -07:00
Eddie Hung eca9fc01a7 verilog: set src attribute for primitives 2020-05-04 10:22:05 -07:00
Claire Wolf 589ed2d970 Add AST_SELFSZ and improve handling of bit slices 
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
 2020-05-02 11:21:01 +02:00
Alberto Gonzalez 00d74f0b9c
Set Verilog source location for explicit blocks (`begin` ... `end`). 2020-04-17 06:23:03 +00:00
Alberto Gonzalez 10a814f978
Add Verilog source location information to `AST_POSEDGE` and `AST_NEGEDGE` nodes. 2020-04-17 06:16:59 +00:00
Alberto Gonzalez 9253497358
Add location information to `AST_CONSTANT` nodes. 2020-04-16 19:11:47 +00:00
whitequark f41c7ccfff
Merge pull request #1879 from jjj11x/jjj11x/package_decl 
support using previously declared types/localparams/parameters in package
 2020-04-14 12:40:00 +00:00
David Shah 0a178de1b3 verilog: Fix write to deleted object 
Signed-off-by: David Shah <dave@ds0.me>
 2020-04-12 18:49:09 +01:00
Jeff Wang 249876b614 support using previously declared types/localparams/params in package 
(parameters in systemverilog packages can't actually be overridden, so
allowing parameters in addition to localparams doesn't actually add any
new functionality, but it's useful to be able to use the parameter
keyword also)
 2020-04-07 00:38:15 -04:00
Eddie Hung 5f662b1c43
Merge pull request #1767 from YosysHQ/eddie/idstrings 
IdString: use more ID::*, make them easier to use, speed up IdString::in()
 2020-04-02 11:47:25 -07:00
Eddie Hung 956ecd48f7 kernel: big fat patch to use more ID::*, otherwise ID(*) 2020-04-02 09:51:32 -07:00
Claire Wolf c69f4b246a
Merge pull request #1846 from dh73/ast_fe 
Adding error message for when size (width) of number literal is zero
 2020-04-02 18:15:15 +02:00