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|
{
module HpcParser where
import HpcLexer
}
%name parser
%expect 0
%tokentype { Token }
%token
MODULE { ID "module" }
TICK { ID "tick" }
EXPRESSION { ID "expression" }
ON { ID "on" }
LINE { ID "line" }
POSITION { ID "position" }
FUNCTION { ID "function" }
INSIDE { ID "inside" }
AT { ID "at" }
':' { SYM ':' }
'-' { SYM '-' }
';' { SYM ';' }
'{' { SYM '{' }
'}' { SYM '}' }
int { INT $$ }
string { STR $$ }
cat { CAT $$ }
%%
Spec :: { Spec }
Spec : Ticks Modules { Spec ($1 []) ($2 []) }
Modules :: { L (ModuleName,[Tick]) }
Modules : Modules Module { $1 . ((:) $2) }
| { id }
Module :: { (ModuleName,[Tick]) }
Module : MODULE string '{' TopTicks '}'
{ ($2,$4 []) }
TopTicks :: { L Tick }
TopTicks : TopTicks TopTick { $1 . ((:) $2) }
| { id }
TopTick :: { Tick }
TopTick : Tick { ExprTick $1 }
| TICK FUNCTION string optQual optCat ';'
{ TickFunction $3 $4 $5 }
| INSIDE string '{' TopTicks '}'
{ InsideFunction $2 ($4 []) }
Ticks :: { L ExprTick }
Ticks : Ticks Tick { $1 . ((:) $2) }
| { id }
Tick :: { ExprTick }
Tick : TICK optString optQual optCat ';'
{ TickExpression False $2 $3 $4 }
optString :: { Maybe String }
optString : string { Just $1 }
| { Nothing }
optQual :: { Maybe Qualifier }
optQual : ON LINE int { Just (OnLine $3) }
| AT POSITION int ':' int '-' int ':' int
{ Just (AtPosition $3 $5 $7 $9) }
| { Nothing }
optCat :: { Maybe String }
optCat : cat { Just $1 }
| { Nothing }
{
type L a = [a] -> [a]
type ModuleName = String
data Spec
= Spec [ExprTick] [(ModuleName,[Tick])]
deriving (Show)
data ExprTick
= TickExpression Bool (Maybe String) (Maybe Qualifier) (Maybe String)
deriving (Show)
data Tick
= ExprTick ExprTick
| TickFunction String (Maybe Qualifier) (Maybe String)
| InsideFunction String [Tick]
deriving (Show)
data Qualifier = OnLine Int
| AtPosition Int Int Int Int
deriving (Show)
hpcParser :: String -> IO Spec
hpcParser filename = do
txt <- readFile filename
let tokens = initLexer txt
return $ parser tokens
happyError e = error $ show (take 10 e)
}
|
