-module(eyg@parser).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/eyg/parser.gleam").
-export([from_string/1, all_from_string/1, block_from_string/1]).

-file("src/eyg/parser.gleam", 8).
-spec from_string(binary()) -> {ok,
        {{eyg@ir@tree:expression({integer(), integer()}),
                {integer(), integer()}},
            list({eyg@parser@token:token(), integer()})}} |
    {error, eyg@parser@parser:reason()}.
from_string(Src) ->
    _pipe = Src,
    _pipe@1 = eyg@parser@lexer:lex(_pipe),
    _pipe@2 = eyg@parser@token:drop_whitespace(_pipe@1),
    _pipe@3 = eyg@parser@token:drop_comments(_pipe@2),
    eyg@parser@parser:expression(_pipe@3).

-file("src/eyg/parser.gleam", 16).
-spec all_from_string(binary()) -> {ok,
        {eyg@ir@tree:expression({integer(), integer()}), {integer(), integer()}}} |
    {error, eyg@parser@parser:reason()}.
all_from_string(Src) ->
    gleam@result:'try'(
        from_string(Src),
        fun(_use0) ->
            {Source, Remaining} = _use0,
            case Remaining of
                [] ->
                    {ok, Source};

                [{Token, At} | _] ->
                    {error, {unexpected_token, Token, At}}
            end
        end
    ).

-file("src/eyg/parser.gleam", 37).
-spec do_gather(
    {eyg@ir@tree:expression(GDU), GDU},
    list({binary(), {eyg@ir@tree:expression(GDU), GDU}, GDU})
) -> {list({binary(), {eyg@ir@tree:expression(GDU), GDU}, GDU}),
    gleam@option:option({eyg@ir@tree:expression(GDU), GDU})}.
do_gather(Exp, Acc) ->
    {Exp@1, Span} = Exp,
    case Exp@1 of
        {'let', Label, Value, Then} ->
            do_gather(Then, [{Label, Value, Span} | Acc]);

        vacant ->
            {Acc, none};

        _ ->
            {Acc, {some, {Exp@1, Span}}}
    end.

-file("src/eyg/parser.gleam", 24).
-spec block_from_string(binary()) -> {ok,
        {{list({binary(),
                    {eyg@ir@tree:expression({integer(), integer()}),
                        {integer(), integer()}},
                    {integer(), integer()}}),
                gleam@option:option({eyg@ir@tree:expression({integer(),
                        integer()}),
                    {integer(), integer()}})},
            list({eyg@parser@token:token(), integer()})}} |
    {error, eyg@parser@parser:reason()}.
block_from_string(Src) ->
    Parsed = begin
        _pipe = Src,
        _pipe@1 = eyg@parser@lexer:lex(_pipe),
        _pipe@2 = eyg@parser@token:drop_whitespace(_pipe@1),
        _pipe@3 = eyg@parser@token:drop_comments(_pipe@2),
        eyg@parser@parser:block(_pipe@3)
    end,
    case Parsed of
        {ok, {Exp, Left}} ->
            {ok, {do_gather(Exp, []), Left}};

        {error, Reason} ->
            {error, Reason}
    end.