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154 Commits

Author SHA1 Message Date
Zachary Snow 8f0f8b4afd explicit decl type and expr traversals 
- fix int type conversion not visiting function return type expressions
- add node-based traversal for decls visiting top level types and exprs
- explicit expr and type recursion in package ident resolution
- expose mapBothM traversal helper
- avoid double-visiting of decl types in certain conversions
 2021-07-11 16:57:33 -04:00
Zachary Snow 5fd21ebfb0 improved parsing in declaration contexts 
- support for additional assignment statements in loop initializations
- greatly improved error messaging in these contexts
- decl parser takes in the ending token; significant related refactoring
- pass through elaboration system tasks
- removed non-blocking assignment operator precedence hack
- preliminary nosim test suite for features unsupported by iverilog
 2021-07-05 18:00:12 -04:00
Zachary Snow ff0c7b026c properly distinguish nets and variables internally 
- new net decl to replace net pseudo-type
- support nets with complex base types, including typenames
- support var declaration type prefix for all data types
- support var as lone type shorthand
- refactor AST representation of strengths
- traversal helpers for treating nets as variables
- use decl traversals where appropriate
 2021-07-02 17:59:21 -04:00
Zachary Snow 9de4a3c99c simplify type and decl traversals 2021-06-30 19:13:44 -04:00
Zachary Snow 6e85245118 remove indirection in collectDescriptionsM 2021-06-28 15:55:35 -04:00
Zachary Snow 3f20055cd6 proper support for static class methods 2021-06-24 22:15:46 -06:00
Zachary Snow dbbf71c65a revised struct pattern representation 
- pattern keys now represented as TypeOrExpr
- support for simple integer struct pattern keys
 2021-06-20 15:32:12 -04:00
Zachary Snow 5cc4dce01f refactor positional binding checking and resolution 2021-04-30 14:10:09 -04:00
Zachary Snow ecee8b3358 support for interface based typedefs 2021-04-15 11:35:20 -04:00
Zachary Snow 04d6fa6199 fix additional type parameter instantiation issues 
- avoid premature conversion of default struct type parameters
- allow use of $clog2, $signed, and $unsigned in type parameters
- more thorough and efficient top reference ident renaming
- precede type param conversion with hier const pass
 2021-04-13 22:22:33 -04:00
Zachary Snow c0b8ba17de simplify interface port type representation 2021-04-13 10:45:26 -04:00
Zachary Snow c6dbdd09ca preliminary language support for basic classes 2021-03-22 20:01:38 -04:00
Zachary Snow ec766657a8 simplify value range representation 2021-02-17 17:12:57 -05:00
Zachary Snow 642803a707 expression traversals no longer visit types by default 2021-02-11 17:07:58 -05:00
Zachary Snow de27065dba use runIdentity for traverseFiles 2021-02-11 16:42:26 -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 e4adf6a74c apply reordering in generate blocks 2021-01-25 12:01:03 -05:00
Zachary Snow b28a3cac0d represent typedefs as localparam types 2021-01-24 10:07:35 -07:00
Zachary Snow 378ede9e1a standardize internal representation of unknown types 2021-01-24 09:55:03 -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 b7b40af6b8 ensure collector results are evaluated 2020-12-10 18:30:23 -07:00
Zachary Snow 454f8dcb24 faster package item nesting traversal 2020-11-28 15:22:58 -07:00
Zachary Snow 99df32642e remove old traverseScopesM 2020-08-16 12:47:41 -04:00
Zachary Snow e4135bb896 use strict State and Writer monads 2020-08-11 19:14:18 -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 49c0d297c9 fix package conversion not prefixing declarations with assignments (resolves #115) 2020-07-20 22:19:18 -06:00
Zachary Snow cc9f7f4658 remove old scopedConversion 2020-07-15 19:17:05 -06:00
Zachary Snow c28bb71ac5 more careful expr and type traversals 2020-07-15 18:44:57 -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 2961d1058b remove deprecated TFStrategy traversals 2020-07-09 21:01:42 -06:00
Zachary Snow 69b2e86aee remove pattern synonyms which introduced excessive overhead 2020-07-09 21:01:18 -06:00
Zachary Snow 219a57c37b preliminary language support for parameterized class scopes 2020-07-08 17:46:37 -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 0fb97f2381 remove over-specified traversal arguments 2020-06-20 23:08:40 -04:00
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 bd1c07231f experimenting with monad helpers 2020-06-20 16:41:13 -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 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 3cfd368bc2 support multi-dimensional instances 2020-06-17 22:18:08 -04:00
Zachary Snow 12be569742 reduce usage of maybe 2020-06-14 15:56:09 -04:00
Zachary Snow 9adb7522e9 improve stmt representation 2020-06-09 21:18:31 -04:00
Zachary Snow b58cf5bf07 remove empty generate conditionals 2020-06-07 14:26:53 -04:00
Zachary Snow 9249c9fa2b typdef conversion obeys generate scoping 2020-06-05 21:38:31 -04:00
Zachary Snow ae392d4536 fix single bit enum sizing 
- single bit localparams retain explicit range
- fix $bits on unsized literals
- use Implicit over Maybe for underlying type
 2020-06-05 21:32:02 -04:00
Zachary Snow ec760964c7 remove empty initial blocks (resolves #89) 2020-06-02 08:29:12 -04:00
Zachary Snow 9042145695 substitute localparams into type params 2020-05-31 22:01:40 -04:00
Zachary Snow 9e7768b66a simplify folded procedural branches 2020-05-05 18:50:20 -04:00
Zachary Snow 35e75c0604 language support for strengths 2020-03-20 21:13:57 -04:00
Zachary Snow dd9f040f1f improved handling of genvars 2020-02-23 22:30:17 -05:00
Zachary Snow 400c009480 traversal performance improvements 2020-02-20 23:57:41 -05:00