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shulhishulhi
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Remove meth attribute (#7684)
* Remove meth attribute when running formatter * Remove @meth in test * WIP: More removal * More @meth removal * Redo removal method * Update test file * Update CHANGELOG
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18 files changed

+70
-113
lines changed

18 files changed

+70
-113
lines changed

‎.mcp.json

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This file was deleted.

‎CHANGELOG.md

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@@ -30,6 +30,7 @@
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- Polish arity mismatch error message a bit. https://github.com/rescript-lang/rescript/pull/7709
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- Suggest related functions with the expected arity in errors when it makes sense. https://github.com/rescript-lang/rescript/pull/7712
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- Improve error when a constructor expects an inline record. https://github.com/rescript-lang/rescript/pull/7713
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- Remove @meth attribute. https://github.com/rescript-lang/rescript/pull/7684
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#### :house: Internal
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‎analysis/examples/larger-project/src/BucklescriptAnnotations.res

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@@ -11,11 +11,8 @@ type someMutableFields = {
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@genType
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type someMethods = {
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@meth
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"send": string => unit,
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@meth
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"on": (string, (. int) => unit) => unit,
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@meth
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"threeargs": (int, string, int) => string,
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"twoArgs": (. int, string) => int,
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}

‎compiler/frontend/ast_attributes.ml

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@@ -74,15 +74,12 @@ let process_method_attributes_rev (attrs : t) =
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({st with set = Some result}, acc)
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| _ -> (st, attr :: acc))
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type attr_kind = Nothing | Meth_callback of attr | Method of attr
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type attr_kind = Nothing | Meth_callback of attr
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let process_attributes_rev (attrs : t) : attr_kind * t =
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Ext_list.fold_left attrs (Nothing, [])
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(fun (st, acc) (({txt; loc}, _) as attr) ->
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Ext_list.fold_left attrs (Nothing, []) (fun (st, acc) (({txt}, _) as attr) ->
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match (txt, st) with
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| "this", (Nothing | Meth_callback _) -> (Meth_callback attr, acc)
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| "meth", (Nothing | Method _) -> (Method attr, acc)
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| "this", _ -> Bs_syntaxerr.err loc Conflict_bs_bs_this_bs_meth
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| _, _ -> (st, attr :: acc))
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let external_attrs =

‎compiler/frontend/ast_attributes.mli

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@@ -29,7 +29,7 @@ type ('a, 'b) st = {get: 'a option; set: 'b option}
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val process_method_attributes_rev : t -> (bool * bool, [`Get | `No_get]) st * t
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type attr_kind = Nothing | Meth_callback of attr | Method of attr
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type attr_kind = Nothing | Meth_callback of attr
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val process_attributes_rev : t -> attr_kind * t
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‎compiler/frontend/ast_core_type_class_type.ml

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@@ -75,7 +75,6 @@ let typ_mapper (self : Bs_ast_mapper.mapper) (ty : Parsetree.core_type) =
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match fst (Ast_attributes.process_attributes_rev ty.ptyp_attributes) with
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| Meth_callback _ ->
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Ast_typ_uncurry.to_method_callback_type loc self ~arity ty
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| Method _ -> Bs_ast_mapper.default_mapper.typ self ty
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| Nothing -> Bs_ast_mapper.default_mapper.typ self ty)
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| Ptyp_object (methods, closed_flag) ->
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let ( +> ) attr (typ : Parsetree.core_type) =
@@ -90,8 +89,6 @@ let typ_mapper (self : Bs_ast_mapper.mapper) (ty : Parsetree.core_type) =
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let attrs, core_type =
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match Ast_attributes.process_attributes_rev attrs with
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| Nothing, attrs -> (attrs, ty) (* #1678 *)
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| Method _, _ ->
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Location.raise_errorf ~loc "%@get/set conflicts with %@meth"
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| Meth_callback attr, attrs -> (attrs, attr +> ty)
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in
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Ast_compatible.object_field name attrs (self.typ self core_type)
@@ -100,8 +97,6 @@ let typ_mapper (self : Bs_ast_mapper.mapper) (ty : Parsetree.core_type) =
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let attrs, core_type =
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match Ast_attributes.process_attributes_rev attrs with
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| Nothing, attrs -> (attrs, ty)
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| Method _, _ ->
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Location.raise_errorf ~loc "%@get/set conflicts with %@meth"
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| Meth_callback attr, attrs -> (attrs, attr +> ty)
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in
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Ast_compatible.object_field name attrs
@@ -113,7 +108,6 @@ let typ_mapper (self : Bs_ast_mapper.mapper) (ty : Parsetree.core_type) =
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let attrs, core_type =
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match Ast_attributes.process_attributes_rev ptyp_attrs with
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| Nothing, attrs -> (attrs, ty)
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| Method attr, attrs -> (attrs, attr +> ty)
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| Meth_callback attr, attrs -> (attrs, attr +> ty)
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in
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Ast_compatible.object_field label attrs (self.typ self core_type)

‎compiler/frontend/bs_builtin_ppx.ml

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@@ -102,9 +102,6 @@ let expr_mapper ~async_context ~in_function_def (self : mapper)
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async_context := (old_in_function_def && !async_context) || async;
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in_function_def := true;
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Ast_async.make_function_async ~async (default_expr_mapper self e)
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| Method _, _ ->
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Location.raise_errorf ~loc:e.pexp_loc
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"%@meth is not supported in function expression"
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| Meth_callback _, pexp_attributes ->
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(* FIXME: does it make sense to have a label for [this] ? *)
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async_context := false;

‎compiler/frontend/bs_syntaxerr.ml

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@@ -64,7 +64,7 @@ let pp_error fmt err =
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| Illegal_attribute -> "Illegal attributes"
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| Unsupported_predicates -> "unsupported predicates"
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| Conflict_bs_bs_this_bs_meth ->
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"%@this, %@bs, %@meth can not be applied at the same time"
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"%@this and %@bs can not be applied at the same time"
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| Duplicated_bs_deriving -> "duplicate @deriving attribute"
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| Conflict_attributes -> "conflicting attributes "
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| Expect_string_literal -> "expect string literal "

‎compiler/syntax/src/res_parsetree_viewer.ml

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Original file line numberDiff line numberDiff line change
@@ -198,10 +198,10 @@ let filter_parsing_attrs attrs =
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match attr with
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| ( {
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Location.txt =
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( "res.braces" | "ns.braces" | "res.iflet" | "res.ternary"
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| "res.await" | "res.template" | "res.taggedTemplate"
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| "res.patVariantSpread" | "res.dictPattern"
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| "res.inlineRecordDefinition" );
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( "meth" | "res.braces" | "ns.braces" | "res.iflet"
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| "res.ternary" | "res.await" | "res.template"
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| "res.taggedTemplate" | "res.patVariantSpread"
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| "res.dictPattern" | "res.inlineRecordDefinition" );
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},
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_ ) ->
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false

‎tests/analysis_tests/tests-reanalyze/deadcode/expected/deadcode.txt

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@@ -9,10 +9,10 @@
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addVariantCaseDeclaration R4 AutoAnnotate.res:15:2 path:+AutoAnnotate.annotatedVariant
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Scanning BootloaderResource.cmt Source:BootloaderResource.res
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Scanning BucklescriptAnnotations.cmt Source:BucklescriptAnnotations.res
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addValueDeclaration +bar BucklescriptAnnotations.res:25:4 path:+BucklescriptAnnotations
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addValueDeclaration +f BucklescriptAnnotations.res:26:6 path:+BucklescriptAnnotations
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addValueReference BucklescriptAnnotations.res:26:6 --> BucklescriptAnnotations.res:25:11
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addValueReference BucklescriptAnnotations.res:25:4 --> BucklescriptAnnotations.res:26:6
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addValueDeclaration +bar BucklescriptAnnotations.res:22:4 path:+BucklescriptAnnotations
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addValueDeclaration +f BucklescriptAnnotations.res:23:6 path:+BucklescriptAnnotations
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addValueReference BucklescriptAnnotations.res:23:6 --> BucklescriptAnnotations.res:22:11
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addValueReference BucklescriptAnnotations.res:22:4 --> BucklescriptAnnotations.res:23:6
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Scanning ComponentAsProp.cmt Source:ComponentAsProp.res
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addValueDeclaration +make ComponentAsProp.res:6:4 path:+ComponentAsProp
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addRecordLabelDeclaration title ComponentAsProp.res:6:12 path:+ComponentAsProp.props
@@ -2594,9 +2594,9 @@ File References
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BucklescriptAnnotations is a dead module as all its items are dead.
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Warning Dead Value
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BucklescriptAnnotations.res:25:1-70
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BucklescriptAnnotations.res:22:1-70
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bar is never used
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<-- line 25
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<-- line 22
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@dead("bar") let bar = (x: someMethods) => {
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Warning Dead Exception

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