-tcIfaceRules :: PackageRuleBase -> Module -> [RenamedRuleDecl]
- -> TcM (PackageRuleBase, [TypecheckedRuleDecl])
-tcIfaceRules pkg_rule_base mod decls
- = mapTc tcIfaceRule decls `thenTc` \ 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, 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 _) = isLocalThing mod n
- is_local other = True
-
-tcIfaceRule :: RenamedRuleDecl -> TcM TypecheckedRuleDecl
- -- No zonking necessary!
-tcIfaceRule (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 (IfaceRuleOut fun' (Rule name vars' args' rhs'))
-
-
-tcSourceRules :: [RenamedRuleDecl] -> TcM (LIE, [TypecheckedRuleDecl])
-tcSourceRules decls
- = mapAndUnzipTc tcSourceRule decls `thenTc` \ (lies, decls') ->
- returnTc (plusLIEs lies, decls')
-
-tcSourceRule (HsRule name sig_tvs vars lhs rhs src_loc)
- = tcAddSrcLoc src_loc $
- tcAddErrCtxt (ruleCtxt name) $
- newTyVarTy openTypeKind `thenNF_Tc` \ rule_ty ->
+tcRules :: [LRuleDecl Name] -> TcM [LRuleDecl TcId]
+tcRules decls = mappM (wrapLocM tcRule) decls
+
+tcRule :: RuleDecl Name -> TcM (RuleDecl TcId)
+tcRule (HsRule name act vars lhs rhs)
+ = addErrCtxt (ruleCtxt name) $
+ traceTc (ptext SLIT("---- Rule ------")
+ <+> ppr name) `thenM_`
+ newTyVarTy openTypeKind `thenM` \ rule_ty ->