-tcRules :: PackageRuleBase -> Module -> [RenamedHsDecl]
- -> TcM (PackageRuleBase, LIE, [TypecheckedRuleDecl])
-tcRules pkg_rule_base mod decls
- = mapAndUnzipTc tcRule [rule | RuleD rule <- decls] `thenTc` \ (lies, new_rules) ->
- let
- (local_rules, imported_rules) = partition is_local new_rules
- new_rule_base = foldl add pkg_rule_base imported_rules
- in
- returnTc (new_rule_base, plusLIEs lies, local_rules)
- where
- add rule_base (IfaceRuleOut id rule) = extendRuleBase rule_base (id, rule)
-
- -- When relinking this module from its interface-file decls
- -- we'll have IfaceRules that are in fact local to this module
- is_local (IfaceRuleOut n _) = mod == nameModule (idName n)
- is_local other = True
-
-tcRule :: RenamedRuleDecl -> TcM (LIE, TypecheckedRuleDecl)
- -- No zonking necessary!
-tcRule (IfaceRule name vars fun args rhs src_loc)
- = tcAddSrcLoc src_loc $
- tcAddErrCtxt (ruleCtxt name) $
- tcVar fun `thenTc` \ fun' ->
- tcCoreLamBndrs vars $ \ vars' ->
- mapTc tcCoreExpr args `thenTc` \ args' ->
- tcCoreExpr rhs `thenTc` \ rhs' ->
- returnTc (emptyLIE, IfaceRuleOut fun' (Rule name vars' args' rhs'))
-
-tcRule (HsRule name sig_tvs vars lhs rhs src_loc)
- = tcAddSrcLoc src_loc $
- tcAddErrCtxt (ruleCtxt name) $
- newTyVarTy openTypeKind `thenNF_Tc` \ rule_ty ->