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Problem: filetype: Erlang lexical files are not recognized
Solution: Detect *.xrl files as leex filetype, include syntax and
filetype plugins (Jon Parise).
leex is the lexical analyzer generator for Erlang. Its input file format
follows a section-based structure and uses the `.xrl` file extension.
This initial work includes file detection, an ftplugin (which inherits
the Erlang configuration), and a syntax definition.
Reference:
- https://www.erlang.org/doc/apps/parsetools/leex.html
related: #18819
closes: #18832
Signed-off-by: Jon Parise <jon@indelible.org>
Signed-off-by: Csaba Hoch <csaba.hoch@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
29 lines
591 B
Erlang
29 lines
591 B
Erlang
% Header comment
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%% Header comment
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%%% Header comment
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Definitions.
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floats = (\+|-)?[0-9]+\.[0-9]+((E|e)(\+|-)?[0-9]+)?
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D = [0-9]
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A = ({D}|_|@)
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WS = ([\000-\s]|%.*) % whitespace
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Rules.
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{D}+ :
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% Comment
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{token,{integer,TokenLine,list_to_integer(TokenChars)}}.
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{D}+\.{D}+((E|e)(\+|\-)?{D}+)? :
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% Coment with period.
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{token,{float,TokenLine,list_to_float(TokenChars)}}.
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{A} : ErlangCode. % comment
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{WS} : ErlangCode.
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:= :{token,{':=',TokenLine}}.
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Erlang code.
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-export([reserved_word/1]).
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%% reserved_word(Atom) -> Bool
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reserved_word('reserved') -> true;
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reserved_word(_) -> false.
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