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Mix compiler and runtime helpers for Rustler.

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rustler src toml_lexer.xrl
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src/toml_lexer.xrl 

Definitions.



STRING_BASIC = \"([^\"\\]|\\.)*\"

STRING_BASIC_MULTI = \"{3}.*\"{3}

STRING_LITERAL = \'[^\']*\'

STRING_LITERAL_MULTI = \'{3}.*\'{3}



INTEGER = [\+-]?[0-9_]+

FLOAT = [\+-]?[0-9_]+(\.[0-9_]+)+([Ee][\+-]?[0-9_]+)?

BARE_KEY = [A-Za-z0-9-_]+



BOOLEAN = (true|false)



DATETIME1 = \d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{1,3})?(([\+\-]\d{2}:\d{2})|Z)

DATETIME2 = \d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{1,3})?

DATETIME3 = \d{4}-\d{2}-\d{2}



COMMENT = #.+?([\n\r])

WHITESPACE = \s

NEWLINE = (\n|\r\n)



Rules.



{COMMENT} : skip_token.



{STRING_BASIC} : {token, {lit_string_basic, TokenLine, TokenChars}}.

{STRING_BASIC_MULTI} : {token, {lit_string_basic_multi, TokenLine, TokenChars}}.

{STRING_LITERAL} : {token, {lit_string_literal, TokenLine, TokenChars}}.

{STRING_LITERAL_MULTI} : {token, {lit_string_literal_multi, TokenLine, TokenChars}}.



{BOOLEAN} : {token, {lit_boolean, TokenLine, TokenChars}}.

{INTEGER} : {token, {lit_integer, TokenLine, TokenChars}}.

{FLOAT} : {token, {lit_float, TokenLine, TokenChars}}.

{BARE_KEY} : {token, {key_bare, TokenLine, TokenChars}}.



{DATETIME1} : {token, {lit_datetime1, TokenLine, TokenChars}}.

{DATETIME2} : {token, {lit_datetime2, TokenLine, TokenChars}}.

{DATETIME3} : {token, {lit_datetime3, TokenLine, TokenChars}}.



= : {token, {'=', TokenLine}}.

\[ : {token, {'[', TokenLine}}.

\] : {token, {']', TokenLine}}.

\{ : {token, {'{', TokenLine}}.

\} : {token, {'}', TokenLine}}.

\. : {token, {'.', TokenLine}}.

\, : {token, {',', TokenLine}}.





{WHITESPACE}+ : skip_token.

{NEWLINE}+ : skip_token.



Erlang code.