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add support for localparams in module parameter list (resolves #7)

This commit is contained in:
Zachary Snow 2019-08-06 19:53:19 -04:00
parent 90bc30d4be
commit e82537fa97
3 changed files with 18 additions and 22 deletions
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36
src/Language/SystemVerilog/Parser/Parse.y
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@ -358,15 +358,11 @@ PackageImportDeclaration :: { [ModuleItem] }
: "import" PackageImportItems ";" { map (MIPackageItem . uncurry Import) $2 }
Params :: { [ModuleItem] }
: {- empty -} { [] }
| "#" "(" ParamDecls { $3 }
ParamDecls :: { [ModuleItem] }
: ParamDecl(")") { $1 }
| ParamDecl(",") ParamDecls { $1 ++ $2 }
ParamDecl(delim) :: { [ModuleItem] }
: ParameterDecl(OnlyParamKW, delim) { map (MIPackageItem . Decl) $1 }
OnlyParamKW :: { Type -> Identifier -> Expr -> Decl }
: "parameter" { Parameter }
: {- empty -} { [] }
| "#" "(" ParamsFollow { map (MIPackageItem . Decl) $3 }
ParamsFollow :: { [Decl] }
: ParameterDecl(")") { $1 }
| ParameterDecl(",") ParamsFollow { $1 ++ $2 }
PortDecls :: { ([Identifier], [ModuleItem]) }
: "(" DeclTokens(")") { parseDTsAsPortDecls $2 }
@ -455,8 +451,8 @@ ModuleItem :: { [ModuleItem] }
| "generate" GenItems "endgenerate" { [Generate $2] }
NonGenerateModuleItem :: { [ModuleItem] }
-- This item covers module instantiations and all declarations
: DeclTokens(";") { parseDTsAsModuleItems $1 }
| ParameterDecl(ParameterDeclKW, ";") { map (MIPackageItem . Decl) $1 }
: DeclTokens(";") { parseDTsAsModuleItems $1 }
| ParameterDecl(";") { map (MIPackageItem . Decl) $1 }
| "defparam" DefparamAsgns ";" { map (uncurry Defparam) $2 }
| "assign" opt(DelayControl) LHS "=" Expr ";" { [Assign $2 $3 $5] }
| AlwaysKW Stmt { [AlwaysC $1 $2] }
@ -577,9 +573,9 @@ PackageItems :: { [PackageItem] }
: PackageItem { $1 }
| PackageItems PackageItem { $1 ++ $2 }
PackageItem :: { [PackageItem] }
: DeclTokens(";") { map Decl $ parseDTsAsDecls $1 }
| ParameterDecl(ParameterDeclKW, ";") { map Decl $1 }
| NonDeclPackageItem { $1 }
: DeclTokens(";") { map Decl $ parseDTsAsDecls $1 }
| ParameterDecl(";") { map Decl $1 }
| NonDeclPackageItem { $1 }
NonDeclPackageItem :: { [PackageItem] }
: "typedef" Type Identifier ";" { [Typedef $2 $3] }
| "function" opt(Lifetime) FuncRetAndName TFItems DeclsAndStmts "endfunction" opt(Tag) { [Function $2 (fst $3) (snd $3) (map defaultFuncInput $ (map makeInput $4) ++ fst $5) (snd $5)] }
@ -728,13 +724,13 @@ DeclsAndStmts :: { ([Decl], [Stmt]) }
| {- empty -} { ([], []) }
DeclOrStmt :: { ([Decl], [Stmt]) }
: DeclOrStmtTokens(";") { parseDTsAsDeclOrAsgn $1 }
| ParameterDecl(ParameterDeclKW, ";") { ($1, []) }
| ParameterDecl(";") { ($1, []) }
ParameterDecl(kw, delim) :: { [Decl] }
: kw DeclAsgns delim { map (uncurry $ $1 (Implicit Unspecified [])) $2 }
| kw ParamType DeclAsgns delim { map (uncurry $ $1 ($2 )) $3 }
| kw Identifier DeclAsgns delim { map (uncurry $ $1 (Alias (Nothing) $2 [])) $3 }
| kw Identifier "::" Identifier DeclAsgns delim { map (uncurry $ $1 (Alias (Just $2) $4 [])) $5 }
ParameterDecl(delim) :: { [Decl] }
: ParameterDeclKW DeclAsgns delim { map (uncurry $ $1 (Implicit Unspecified [])) $2 }
| ParameterDeclKW ParamType DeclAsgns delim { map (uncurry $ $1 ($2 )) $3 }
| ParameterDeclKW Identifier DeclAsgns delim { map (uncurry $ $1 (Alias (Nothing) $2 [])) $3 }
| ParameterDeclKW Identifier "::" Identifier DeclAsgns delim { map (uncurry $ $1 (Alias (Just $2) $4 [])) $5 }
ParameterDeclKW :: { Type -> Identifier -> Expr -> Decl }
: "parameter" { Parameter }
| "localparam" { Localparam }

2
test/resolve/module.sv
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@ -1,6 +1,6 @@
module top
import pkg::*;
#(parameter width = width_calc(2))
#(localparam width = width_calc(2))
(input [width-1:0] i, output [width-1:0] o);
assign o = i + 1'b1;
initial begin

2
test/resolve/reference.v
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@ -1,6 +1,6 @@
`define FANCY_SEEING_YOU 1337
module top;
parameter width = 5;
localparam width = 5;
input [width-1:0] i;
output [width-1:0] o;
assign o = i + 1'b1;