131 lines
2.6 KiB
Plaintext
131 lines
2.6 KiB
Plaintext
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top_level ->
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| element
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| value
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element -> Name single_line_fields element_body:?
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element_body -> "{" element_fields "}"
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element_fields -> (_ element_field (__linebreak__ element_field):*):? __linebreak__
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element_field ->
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| element
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| specifier_chain
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| element_property
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| value
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element_property -> Name _ ("=" | ":") _ value
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single_line_fields ->
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(first_single_line_field
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(__sl__ single_line_field):*):? _sl_
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first_single_line_field ->
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| specifier_chain
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| __sl__ single_line_element_property
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| __sl__ single_line_value
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single_line_field ->
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| specifier_chain
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| single_line_element_property
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| single_line_value
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single_line_element_property ->
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Name _sl_ ("=" | ":") _sl_ value
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single_line_value ->
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| array
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| Int
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| Float
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| String
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| bool
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| Null
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specifier_chain -> specifier:+
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specifier ->
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| Id
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| Class
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value ->
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| object
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| array
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| Int
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| Float
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| String
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| bool
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| Null
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object -> "{" object_properties "}"
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object_properties ->
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(_ object_property (_ "," _ object_property):* _ ",":?):? _
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object_property -> (Name | String) _ ("=" | ":") _ value
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array -> "[" array_values "]"
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array_values -> (_ value (_ "," _ value):* _ ",":?):? _
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bool -> True | False
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__linebreak__ -> mandatory_linebreak
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__sl__ -> mandatory_single_line_whitespace
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_sl_ -> optional_single_line_whitespace
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__ml__ -> mandatory_whitespace
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_ -> optional_whitespace
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mandatory_linebreak ->
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single_line_whitespace:*
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line_breaker
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whitespace_and_line_break:*
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line_breaker -> MultiLineComment | MultiLineWhitespace | ";"
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whitespace_and_line_break -> singular_whitespace | ";"
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mandatory_single_line_whitespace -> single_line_whitespace:+
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optional_single_line_whitespace -> single_line_whitespace:*
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single_line_whitespace -> SingleLineWhitespace | MultiLineComment
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optional_whitespace -> singular_whitespace:*
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mandatory_whitespace -> singular_whitespace:+
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singular_whitespace ->
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| SingleLineComment
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| MultiLineWhitespace
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| SingleLineComment
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| MultiLineComment
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=== tokens ===
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SingleLineWhitespace -> [ \t\r\f\v]+
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MultiLineWhitespace -> [ \t\n\r\f\v]+
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SingleLineComment -> \/\/[^\n]+
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MultiLineComment -> \/\*.*?\*\/
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Float -> [0-9]+\.[0-9]*
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Int -> [0-9]+
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String -> "<sequence of optionally escaped characters \
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and escaped special character placeholders \
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terminated by an unescaped '"'>
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Null -> "null"
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False -> "false"
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True -> "true"
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Name -> [a-zA-Z_][a-zA-Z0-9_]*
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Id -> #[a-zA-Z0-9_]+
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Class \.[a-zA-Z0-9_]+
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LBrace -> "("
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RBrace -> ")"
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LBracket -> "["
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RBracket -> "]"
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Equal -> "="
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Colon -> ":"
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SemiColon -> ";"
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Comma -> ","
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