support for empty packages (resolves #9)

9b7d003e · Zachary Snow · 4fd7b6c2 · 9b7d003e · 9b7d003e · 9b7d003e
Commit 9b7d003e authored Aug 07, 2019 by Zachary Snow
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src/Language/SystemVerilog/Parser/Parse.y
+1 -1

test/basic/empty_constructs.sv
+8 -0

test/basic/empty_constructs.v
+2 -0

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--- a/src/Language/SystemVerilog/Parser/Parse.y
+++ b/src/Language/SystemVerilog/Parser/Parse.y
@@ -570,7 +570,7 @@ DefparamAsgn :: { (LHS, Expr) }
  : LHS "=" Expr { ($1, $3) }

 PackageItems :: { [PackageItem] }
-  : PackageItem              { $1 }
+  : {- empty -}              { [] }
  | PackageItems PackageItem { $1 ++ $2 }
 PackageItem :: { [PackageItem] }
  : DeclTokens(";")    { map Decl $ parseDTsAsDecls $1 }

--- a/test/basic/empty_constructs.sv
+++ b/test/basic/empty_constructs.sv
+task fun;
+endtask
+function fun;
+endfunction
+package pop;
+endpackage
+module top;
+endmodule
--- a/test/basic/empty_constructs.v
+++ b/test/basic/empty_constructs.v
+module top;
+endmodule