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added support for package imports in module headers

This commit is contained in:
Zachary Snow 2019-08-03 21:50:26 -04:00
parent 35ac09aa75
commit 9c160c3d20
3 changed files with 25 additions and 2 deletions
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11
src/Language/SystemVerilog/Parser/Parse.y
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@ -336,8 +336,8 @@ Packing :: { Packing }
| {- empty -} { Unpacked }
Part(begin, end) :: { Description }
: begin opt(Lifetime) Identifier Params PortDecls ";" ModuleItems end opt(Tag) { Part False $1 $2 $3 (fst $5) ($4 ++ (snd $5) ++ $7) }
| "extern" begin opt(Lifetime) Identifier Params PortDecls ";" { Part True $2 $3 $4 (fst $6) ($5 ++ (snd $6) ) }
: begin opt(Lifetime) Identifier PackageImportDeclarations Params PortDecls ";" ModuleItems end opt(Tag) { Part False $1 $2 $3 (fst $6) ($4 ++ $5 ++ (snd $6) ++ $8) }
| "extern" begin opt(Lifetime) Identifier PackageImportDeclarations Params PortDecls ";" { Part True $2 $3 $4 (fst $7) ($5 ++ $6 ++ (snd $7) ) }
ModuleKW :: { PartKW }
: "module" { Module }
@ -350,6 +350,13 @@ PackageDeclaration :: { Description }
Tag :: { Identifier }
: ":" Identifier { $2 }
PackageImportDeclarations :: { [ModuleItem] }
: PackageImportDeclaration PackageImportDeclarations { $1 ++ $2 }
| {- empty -} { [] }
PackageImportDeclaration :: { [ModuleItem] }
: "import" PackageImportItems ";" { map (MIPackageItem . uncurry Import) $2 }
Params :: { [ModuleItem] }
: {- empty -} { [] }
| "#" "(" ParamDecls { $3 }

10
test/basic/header_import.sv Normal file
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@ -0,0 +1,10 @@
package P;
localparam FOO = 10;
endpackage
module top
import P::FOO;
;
initial begin
$display(FOO);
end
endmodule

6
test/basic/header_import.v Normal file
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@ -0,0 +1,6 @@
module top;
localparam P_FOO = 10;
initial begin
$display(P_FOO);
end
endmodule