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removed support for inital and delays

This commit is contained in:
Zachary Snow 2019-02-10 18:56:01 -05:00
parent 767b05cd06
commit cb42f37bb2
2 changed files with 0 additions and 6 deletions
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4
Language/SystemVerilog/AST.hs
View File

@ -79,7 +79,6 @@ data ModuleItem
| PortDecl Direction (Maybe Range) Identifier
| LocalNet Type Identifier (Maybe Expr)
| Integer [Identifier]
| Initial Stmt
| Always (Maybe Sense) Stmt
| Assign LHS Expr
| Instance Identifier [PortBinding] Identifier [PortBinding]
@ -100,7 +99,6 @@ instance Show ModuleItem where
then ""
else " = " ++ show (fromJust v)
Integer a -> printf "integer %s;" $ commas a
Initial a -> printf "initial\n%s" $ indent $ show a
Always Nothing b -> printf "always\n%s" $ indent $ show b
Always (Just a) b -> printf "always @(%s)\n%s" (show a) $ indent $ show b
Assign a b -> printf "assign %s = %s;" (show a) (show b)
@ -292,7 +290,6 @@ data Stmt
| For (Identifier, Expr) Expr (Identifier, Expr) Stmt
| If Expr Stmt Stmt
| StmtCall Call
| Delay Expr Stmt
| Null
deriving Eq
@ -312,7 +309,6 @@ instance Show Stmt where
show (If a b Null ) = printf "if (%s)\n%s" (show a) (indent $ show b)
show (If a b c ) = printf "if (%s)\n%s\nelse\n%s" (show a) (indent $ show b) (indent $ show c)
show (StmtCall a ) = printf "%s;" (show a)
show (Delay a b ) = printf "#%s %s" (showExprConst a) (show b)
show (Null ) = ";"
type Case = ([Expr], Stmt)

2
Language/SystemVerilog/Parser/Parse.y
View File

@ -218,7 +218,6 @@ ModuleItem :: { [ModuleItem] }
| "wire" MaybeRange WireDeclarations ";" { map (uncurry $ LocalNet $ Wire $2) $3 }
| "integer" Identifiers ";" { [Integer $2] }
| "assign" LHS "=" Expr ";" { [Assign $2 $4] }
| "initial" Stmt { [Initial $2] }
| "always" Stmt { [Always Nothing $2] }
| "always" "@" "(" Sense ")" Stmt { [Always (Just $4) $6] }
| "always" "@" "(" "*" ")" Stmt { [Always (Just SenseStar) $6] }
@ -295,7 +294,6 @@ Stmt :: { Stmt }
| "for" "(" Identifier "=" Expr ";" Expr ";" Identifier "=" Expr ")" Stmt { For ($3, $5) $7 ($9, $11) $13 }
| LHS "=" Expr ";" { BlockingAssignment $1 $3 }
| LHS "<=" Expr ";" { NonBlockingAssignment $1 $3 }
| "#" Expr Stmt { Delay $2 $3 }
| Call ";" { StmtCall $1 }
| "case" "(" Expr ")" Cases CaseDefault "endcase" { Case $3 $5 $6 }