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282 Commits

Author SHA1 Message Date
Zachary Snow 5080265e4d typedef, multipack, and struct conversions scope substitutions 2021-02-22 14:13:37 -05:00
Zachary Snow f84dd70186 fix handling of hierarchical references with type parameters 
- wait for hierarchical references within an instance's type parameters
  to be resolved before instantiating the module
- references to a module's top-level named scopes are now correctly
  renamed when creating new type parameter modules
 2021-02-21 17:16:20 -05:00
Zachary Snow 2b9fff78e7 fix indentation inconsistencies 2021-02-19 15:04:23 -05:00
Zachary Snow aea2975d66 remove outdated TODOs 2021-02-19 12:24:56 -05:00
Zachary Snow 2d7dc00b8d fix concat of based xz literals with uneven chunks 2021-02-15 16:58:56 -05:00
Zachary Snow 465060ce4f fold concatenations of number literals 2021-02-11 17:36:05 -05:00
Zachary Snow 87ea9de853 substitute constants from type information across scopes 2021-02-10 12:56:26 -05:00
Zachary Snow 6d2cdf1d21 fix infinite loop on mutually recursive functions 2021-02-09 20:54:28 -05:00
Zachary Snow 5c2632982e simplify substitution avoids shadowing 2021-02-07 14:08:19 -05:00
Zachary Snow 490d96ba46 generate consistent hashes within interface conversion 2021-02-05 10:00:59 -05:00
Zachary Snow dd1a9efb40 refactor cast conversion 
- delegate cast type and sign resolution to TypeOf conversion
- internal support for injecting data declarations into statements
- fix size and sign of unbased unsized literals used in casts
- avoid generating many unnecessary explicit casts
- support casts which depend on localparams within procedures
- expression traversal correctly visits types within type casts
- fix typeof on expressions of net types
- handle additional edge cases for unsized integer array patterns
- preserve signedness of implicitly flattened unpacked integer arrays
 2021-02-03 16:28:53 -05:00
Zachary Snow 8eb9523d06 fix typeof bounds for part selects 
- split out typeof handling of part selects
- account for directionality of base dimension
- refactor dimensions test case with detailed output
 2021-02-02 11:26:41 -05:00
Zachary Snow 5c8d838eef fix overzealous task/function decl hoisting 2021-02-01 15:54:32 -05:00
Zachary Snow b8759776ca limited progress on typeof signedness 
- ensure concats and repeats stay unsigned
- defer unbased-unsized conversion to enable cast semantics
- disable inaccurate folding of binary operations of based numbers
- fix typeof and size cast binop signedness logic
- fix typeof $unsigned and $signed
- test harness allows production of `integer unsigned`
 2021-02-01 10:17:50 -05:00
Zachary Snow 275130e0b0 move package param step to conversion 2021-01-27 16:41:39 -05:00
Zachary Snow 821b8bc947 fix loop in logic indirection typing 2021-01-26 15:39:41 -05:00
Zachary Snow b22cd210a4 improved portability of logic conversion 
- indirect converted reg continuous assignments through wires
- fix typeof for implicitly typed ports
- fix typeof for sized implicitly typed params
 2021-01-25 19:23:54 -05:00
Zachary Snow 5f0dc6be0c preserve generate else branch association in codegen 2021-01-25 12:33:04 -05:00
Zachary Snow e4adf6a74c apply reordering in generate blocks 2021-01-25 12:01:03 -05:00
Zachary Snow 8c967ea9c7 cast function generated output stability 
- cast functions in separate scopes are no longer omitted or removed
- package item reordering excludes locally declared names
- test runner ensures output is stable after first iteration
 2021-01-24 14:29:54 -06:00
Zachary Snow 58e5bfa6d3 fix typeof incorrectly propagating implicit types 2021-01-23 21:55:11 -07:00
Zachary Snow 8eb3a251f7 package conversion overhaul 
- full import and export support
- simplify AST representation of import and export
- allow package-scoped identifiers invoked as subroutines
- use scoped name resolution for identifiers in packages
- merge package item nesting conversion into package conversion
- fix handling of colliding enum items in separate modules
- fix visiting enum item exprs in types
 2021-01-23 21:54:39 -07:00
Zachary Snow ea56f51d03 support for parameters without defaults 2021-01-21 11:55:23 -07:00
Zachary Snow 2a2d819baa additional codegen test coverage 
- assertions, gen case, and inout
- simplify block codegen
- remove blank lines in tasks with no inputs
 2020-12-11 12:41:59 -07:00
Zachary Snow 2311d3e2d6 additional interface conversion test coverage 2020-12-11 12:41:20 -07:00
Zachary Snow e72d372d73 omit reference file for verilog-compatible test inputs 2020-12-08 11:39:17 -07:00
Zachary Snow 2081f6a32a support attributes on port declarations 2020-12-08 11:28:28 -07:00
Zachary Snow d137fd3d68 fix premature elaboration of single element patterns 2020-12-07 16:23:29 -07:00
Zachary Snow ad18c583ab support default pattern unbased unsized port bindings 2020-12-07 16:23:26 -07:00
Zachary Snow 2b377cef04 interface and instance array support 
- support for interface instance arrays
- support for interface-using module instance arrays
- support for modport array bindings
- fix modport bindings shadowed in nested instances
 2020-12-06 15:41:33 -07:00
Zachary Snow bf6ba338df additional default_nettype test coverage 2020-12-04 11:38:17 -07:00
Zachary Snow 16c63b8109 test coverage for wildcard inequality 2020-12-03 16:23:03 -07:00
Zachary Snow 5c0f414dfa convert wildcard bindings before interfaces 2020-12-03 11:03:09 -07:00
Zachary Snow 091520e4cd allow generate scoped basic subroutine invocations in statement blocks 2020-11-30 20:36:06 -07:00
Zachary Snow 2e499dbd03 support case inside with basic side effects 2020-11-27 14:09:16 -07:00
Zachary Snow a7874e1b2f test suite iverilog 11.0 compatibility 2020-11-24 18:09:07 -07:00
Zachary Snow 260a6507eb fix converted constant continuous assignment 2020-11-24 17:27:58 -07:00
Zachary Snow e9f9696342 extend typeof operator support 2020-09-28 23:42:46 -04:00
Zachary Snow 6d907e0985 typeof logical negation 2020-09-13 23:51:13 -04:00
Zachary Snow 7e2450ea5e conversion to create declarations for implicit nets 2020-09-13 23:35:41 -04:00
Zachary Snow 2429a2c9f0 upgraded streaming concatenation conversion 
- fix handling of truncation for unpacking
- fix handling of final limited-size chunk
- support unpacking in a declarations with assignments
- support streaming concatenations in continuous assignment
 2020-08-16 13:12:11 -04:00
Zachary Snow d4511871ca typeof $clog2 2020-08-13 19:37:12 -04:00
Zachary Snow e80db12422 conversion for implicitly variably sized parameters 2020-08-12 21:59:57 -04:00
Zachary Snow 13b62fd81e support structs of integers 2020-08-11 18:37:21 -04:00
Zachary Snow 50a6966a4f fix three typeof conversion issues 
- type of strings are left implicit
- type of implicitly-typed params uses the type of the default value
- prevent exponential blowup for large ternary expressions
 2020-08-09 17:23:37 -04:00
Zachary Snow 67466eaa60 major interface conversion update 
- module instances with modport bindings are now inlined
- support for modports in generate loops
- support for generic interfaces
- implied modport instance propagation
- add error message for interface instances missing port list
 2020-08-08 20:43:47 -06:00
Zachary Snow 3834b9f109 support type lookup of genvars 2020-08-01 20:14:40 -06:00
Zachary Snow 698e3b0b54 fix unbased unsized binding conversion for instances with type parameters 2020-07-27 19:04:41 -06:00
Zachary Snow 21ebbb5a19 use repeats for converted unbased-unsized literals 
- reduces the number of cast functions which are generated
- adjust package_function_cast to preserve cast converage
- fix issue where cast functions would be generated before localparam
  substitution within a procedure
 2020-07-24 21:29:59 -06:00
Zachary Snow f0a5a47371 fix break/continue causing return after loop 2020-07-23 19:04:20 -06:00
Zachary Snow bbb469463b fix typing bit and part selects 2020-07-23 18:23:40 -06:00
Zachary Snow 8537a9efda fix scoping of single-item generate conditionals 2020-07-22 20:30:33 -06:00
Zachary Snow 5ad8de9ef7 standardize pattern conversion 2020-07-21 18:05:27 -06:00
Zachary Snow 49c0d297c9 fix package conversion not prefixing declarations with assignments (resolves #115) 2020-07-20 22:19:18 -06:00
Zachary Snow e88a6b9d84 fix type lookup of yet-unresolved types (resolves #111) 2020-07-20 17:06:13 -06:00
Zachary Snow 7eed2fc58e fix handling of multi-dimensional integer array literals (resolves #113) 2020-07-20 16:55:55 -06:00
Zachary Snow e6e62e8813 typedef conversion visits nested types in statements 2020-07-19 20:54:44 -06:00
Zachary Snow 90de4aa121 fix inadvertent duplicate casts 2020-07-19 19:09:57 -06:00
Zachary Snow 03b6ece939 address type lookup of $unsigned and $signed 2020-07-17 19:18:54 -06:00
Zachary Snow a38137b69a fix conversion of casts in gen item exprs 2020-07-15 19:04:11 -06:00
Zachary Snow 5667bdb589 unpacked array conversion supports generate scoped data 
- added type class for looking up elements in scoped conversions
 2020-07-14 22:59:59 -06:00
Zachary Snow b19259c694 upgraded size cast conversion 
- support casts of generate scoped expressions
- support casts to sizes involving genvars
 2020-07-14 20:10:38 -06:00
Zachary Snow 2d3973e624 synthesizable wildcard conversion 2020-07-13 23:15:06 -06:00
Zachary Snow db21869e69 fix premature conversion of casts containing dimension queries 2020-07-12 16:23:08 -06:00
Zachary Snow d88c516d33 enhanced handling of number literals 
- number literals are parsed rather than stored as strings
- fix array query functions used on non-trivial number literals
- more efficient expression simplification recursion
- expanded constant folding scenarios
 2020-07-12 15:06:27 -06:00
Zachary Snow 737c66a6c9 fix default type parameters which depend on other parameters 2020-07-10 17:45:36 -06:00
Zachary Snow a7673c55fd automatically fix simple declaration order issues 2020-07-08 22:20:40 -06:00
Zachary Snow 4b5e3232b9 support for localparam type 2020-07-08 19:39:26 -06:00
Zachary Snow 671101a30b allow type parameters to depend on other parameters 2020-07-08 18:56:41 -06:00
Zachary Snow 296e246158 fix multi-dimensional array unbased unsized pattern conversion 2020-07-06 22:26:04 -06:00
Zachary Snow 9520894720 unbased unsized conversion refactor 
- support ubased unsized bound to ports using injected constants
- explicit context-aware literal sizing for complex expressions
- fix infinite loop case in NestPI conversion
- elaborate size-casts of converted literals
 2020-07-06 22:11:53 -06:00
Zachary Snow 1903bc190d use unbounded integers 2020-07-02 23:33:03 -06:00
Zachary Snow cd8af036a0 logic conversion supports generate block scoping 2020-07-02 22:59:06 -06:00
Zachary Snow 85e3d0f5b5 initial generate block scoping support 
- significant refactor of struct conversion
- significant refactor of typedef conversion
- scoping support in multipack conversion
- scoping support in typeof conversion
 2020-07-02 22:58:59 -06:00
Zachary Snow 211e4b0ed8 fix literal casts larger than 32 bits 2020-07-01 23:35:30 -06:00
Zachary Snow 82d06b3915 elaboration avoid introducing illegal selects 2020-06-25 17:36:09 -07:00
Zachary Snow 80154feb5e logic conversion notices procedural assignments in tasks and functions 2020-06-25 09:31:39 -07:00
Zachary Snow 24071d74ac paramtype conversion resolves dimension queries before substitution 2020-06-25 00:09:56 -07:00
Zachary Snow 2535d689aa fix struct/interface/logic conversion interactions 
- interface conversion only waits for type resolution of modports
- typeof conversion resolves struct field accesses
- logic conversion only converts logic data declarations
- struct conversion only converts within modules
- fix nested type traversal order causing premature struct conversion
 2020-06-20 22:46:54 -04:00
Zachary Snow 4026ae8fa5 interface conversion respects shadowed variables 2020-06-20 15:56:01 -04:00
Zachary Snow 8d37db30e5 support complex modport expressions 
- modports can use complex expressions
- update interface_infer test for consistency across simulators
- fix interface inlining of implicitly typed data declarations
 2020-06-19 20:32:37 -04:00
Zachary Snow 8ae925d92e support modports depending on other interface data declarations 2020-06-19 20:07:57 -04:00
Zachary Snow 661703a8c2 address import resolution issues 
- fix wildcard imports shadowing other items
- fix explicit imports depending on other items
- fix example export in package.sv
 2020-06-18 21:18:08 -04:00
Zachary Snow 64f3067d78 allow dimension shorthand for instance arrays 2020-06-17 22:26:27 -04:00
Zachary Snow 3cfd368bc2 support multi-dimensional instances 2020-06-17 22:18:08 -04:00
Zachary Snow 5d02b918c3 fix inside and wildcard equality conversions 
- handle cases where wildcard equality short-circuits to 0
- move checking for extraneous X/Z to wildcard conversion
- add exhaustive test coverage
 2020-06-16 19:40:46 -04:00
Zachary Snow 99428b2f16 expanded support for interfaces with parameters 2020-06-14 22:57:46 -04:00
Zachary Snow 8cfd05de1a unbased unsized literals are context-aware 2020-06-14 21:43:32 -04:00
Zachary Snow cbe0071e43 fix bit param sizing (resolves #94) 2020-06-14 19:45:32 -04:00
Zachary Snow 682620b23f struct conversion includes exprs in decls 2020-06-13 22:14:53 -04:00
Zachary Snow 2bc2eb59d8 advanced typeof support 
- most binary operators
- ternary expressions
- bitwise negation
- number literals
- size casts
- concat and repeat expressions
 2020-06-07 13:13:19 -04:00
Zachary Snow d0a6b0f529 fix 32 bit constant cast 2020-06-07 00:28:55 -04:00
Zachary Snow 82703834ac constant folding for shifts 2020-06-06 22:45:17 -04:00
Zachary Snow 2d7982f81e simplify $bits on simple part selects 2020-06-06 21:28:37 -04:00
Zachary Snow eb93ba67fc integer atom explicit sign cast support 2020-06-06 21:26:14 -04:00
Zachary Snow a8346f2f88 actually fix unbased unsized literals in ternary exprs 2020-06-06 17:01:27 -04:00
Zachary Snow 355b62da70 pack arrays in ternary expressions assigned to other arrays 2020-06-06 13:42:30 -04:00
Zachary Snow 7e20b74147 logic conversion handles shadowing 2020-06-05 21:41:03 -04:00
Zachary Snow 80bfbc1e8a fix unbased unsized literals in ternary exprs 2020-06-05 21:40:59 -04:00
Zachary Snow 9249c9fa2b typdef conversion obeys generate scoping 2020-06-05 21:38:31 -04:00