-tcRules :: [RenamedRuleDecl] -> TcM [TypecheckedRuleDecl]
-tcRules decls = mappM tcRule decls
-
-tcRule :: RenamedRuleDecl -> TcM TypecheckedRuleDecl
-tcRule (IfaceRule name act vars fun args rhs src_loc)
- = addSrcLoc src_loc $
- addErrCtxt (ruleCtxt name) $
- tcLookupGlobalId fun `thenM` \ fun' ->
- tcCoreLamBndrs vars $ \ vars' ->
- mappM tcCoreExpr args `thenM` \ args' ->
- tcCoreExpr rhs `thenM` \ rhs' ->
- returnM (IfaceRuleOut fun' (Rule name act vars' args' rhs'))
-
-tcRule (IfaceRuleOut fun rule) -- Built-in rules come this way
- = tcLookupGlobalId fun `thenM` \ fun' ->
- returnM (IfaceRuleOut fun' rule)
-
-tcRule (HsRule name act vars lhs rhs src_loc)
- = addSrcLoc src_loc $
- addErrCtxt (ruleCtxt name) $
- newTyVarTy openTypeKind `thenM` \ rule_ty ->