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Fix CodingStyle#Warnings URLs
[ghc-hetmet.git]
/
compiler
/
coreSyn
/
CoreSyn.lhs
diff --git
a/compiler/coreSyn/CoreSyn.lhs
b/compiler/coreSyn/CoreSyn.lhs
index
9b9d8fa
..
05de860
100644
(file)
--- a/
compiler/coreSyn/CoreSyn.lhs
+++ b/
compiler/coreSyn/CoreSyn.lhs
@@
-6,6
+6,13
@@
CoreSyn: A data type for the Haskell compiler midsection
\begin{code}
CoreSyn: A data type for the Haskell compiler midsection
\begin{code}
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
module CoreSyn (
Expr(..), Alt, Bind(..), AltCon(..), Arg, Note(..),
CoreExpr, CoreAlt, CoreBind, CoreArg, CoreBndr,
module CoreSyn (
Expr(..), Alt, Bind(..), AltCon(..), Arg, Note(..),
CoreExpr, CoreAlt, CoreBind, CoreArg, CoreBndr,
@@
-228,8
+235,13
@@
data CoreRule
ru_name :: RuleName, -- and suchlike. It has no free variables.
ru_fn :: Name, -- Name of the Id at
-- the head of this rule
ru_name :: RuleName, -- and suchlike. It has no free variables.
ru_fn :: Name, -- Name of the Id at
-- the head of this rule
- ru_nargs :: Int, -- Number of args that ru_try expects
+ ru_nargs :: Int, -- Number of args that ru_try expects,
+ -- including type args
ru_try :: [CoreExpr] -> Maybe CoreExpr }
ru_try :: [CoreExpr] -> Maybe CoreExpr }
+ -- This function does the rewrite. It given too many
+ -- arguments, it simply discards them; the returned CoreExpr
+ -- is just the rewrite of ru_fn applied to the first ru_nargs args
+ -- See Note [Extra args in rule matching] in Rules.lhs
isBuiltinRule (BuiltinRule {}) = True
isBuiltinRule _ = False
isBuiltinRule (BuiltinRule {}) = True
isBuiltinRule _ = False