mirror of
https://github.com/AleoHQ/leo.git
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eab2e4466d
Add `console.assert_eq` and `console.assert_neq`. Remove `console.log` and `console.error`. Remove the format string grammar, since it was only used for console print calls, which have been removed. This matches #2023.
472 lines
13 KiB
Plaintext
472 lines
13 KiB
Plaintext
; Copyright (C) 2019-2022 Aleo Systems Inc.
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; This file is part of the Leo library.
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; The Leo library is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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; The Leo library is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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; You should have received a copy of the GNU General Public License
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; along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Lexical Grammar
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; ---------------
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ascii = %x0-7F
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safe-nonascii = %x80-2029 / %x202F-2065 / %x2070-D7FF / %xE000-10FFFF
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; excludes bidi embeddings/overrides/isolates
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; and excludes high/low surrogates
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character = ascii / safe-nonascii
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horizontal-tab = %x9 ; <HT>
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line-feed = %xA ; <LF>
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carriage-return = %xD ; <CR>
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space = %x20 ; <SP>
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double-quote = %x22 ; "
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single-quote = %x27 ; '
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line-terminator = line-feed / carriage-return / carriage-return line-feed
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whitespace = space / horizontal-tab / line-terminator
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not-line-feed-or-carriage-return =
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%x0-9 / %xB-C / %xE-7F / safe-nonascii
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; anything but <LF> or <CR>
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not-star-or-line-feed-or-carriage-return =
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%x0-9 / %xB-C / %xE-29 / %x2B-7F / safe-nonascii
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; anything but * or <LF> or <CR>
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not-star-or-slash-or-line-feed-or-carriage-return =
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%x0-9 / %xB-C / %xE-29 / %x2B-2E / %x30-7F / safe-nonascii
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; anything but * or / or <LF> or <CR>
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not-double-quote-or-backslash-or-line-feed-or-carriage-return =
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%x0-9 / %xB-C / %xE-21 / %x23-5B / %x5D-7F / safe-nonascii
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; anything but " or \ or <LF> or <CR>
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comment = block-comment / end-of-line-comment
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block-comment = "/*" rest-of-block-comment
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rest-of-block-comment =
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"*" rest-of-block-comment-after-star
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/ not-star-or-line-feed-or-carriage-return rest-of-block-comment
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/ line-terminator rest-of-block-comment
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rest-of-block-comment-after-star =
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"/"
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/ "*" rest-of-block-comment-after-star
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/ not-star-or-slash-or-line-feed-or-carriage-return rest-of-block-comment
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/ line-terminator rest-of-block-comment
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end-of-line-comment = "//" *not-line-feed-or-carriage-return
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keyword = %s"address"
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/ %s"bool"
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/ %s"circuit"
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/ %s"console"
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/ %s"const"
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/ %s"constant"
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/ %s"else"
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/ %s"field"
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/ %s"for"
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/ %s"function"
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/ %s"group"
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/ %s"i8"
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/ %s"i16"
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/ %s"i32"
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/ %s"i64"
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/ %s"i128"
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/ %s"if"
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/ %s"in"
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/ %s"let"
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/ %s"public"
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/ %s"record"
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/ %s"return"
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/ %s"scalar"
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/ %s"string"
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/ %s"u8"
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/ %s"u16"
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/ %s"u32"
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/ %s"u64"
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/ %s"u128"
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uppercase-letter = %x41-5A ; A-Z
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lowercase-letter = %x61-7A ; a-z
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letter = uppercase-letter / lowercase-letter
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decimal-digit = %x30-39 ; 0-9
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octal-digit = %x30-37 ; 0-7
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hexadecimal-digit = decimal-digit / "a" / "b" / "c" / "d" / "e" / "f"
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identifier = letter *( letter / decimal-digit / "_" )
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; but not a keyword or a boolean literal or aleo1...
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numeral = 1*decimal-digit
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unsigned-literal = numeral ( %s"u8" / %s"u16" / %s"u32" / %s"u64" / %s"u128" )
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signed-literal = numeral ( %s"i8" / %s"i16" / %s"i32" / %s"i64" / %s"i128" )
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field-literal = numeral %s"field"
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product-group-literal = numeral %s"group"
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scalar-literal = numeral %s"scalar"
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boolean-literal = %s"true" / %s"false"
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address-literal = %s"aleo1" 58( lowercase-letter / decimal-digit )
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single-quote-escape = "\" single-quote ; \'
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double-quote-escape = "\" double-quote ; \"
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backslash-escape = "\\"
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line-feed-escape = %s"\n"
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carriage-return-escape = %s"\r"
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horizontal-tab-escape = %s"\t"
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null-character-escape = "\0"
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simple-character-escape = single-quote-escape
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/ double-quote-escape
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/ backslash-escape
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/ line-feed-escape
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/ carriage-return-escape
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/ horizontal-tab-escape
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/ null-character-escape
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ascii-character-escape = %s"\x" octal-digit hexadecimal-digit
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unicode-character-escape = %s"\u{" 1*6hexadecimal-digit "}"
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string-literal = double-quote *string-literal-element double-quote
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string-literal-element =
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not-double-quote-or-backslash-or-line-feed-or-carriage-return
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/ simple-character-escape
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/ ascii-character-escape
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/ unicode-character-escape
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integer-literal = unsigned-literal
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/ signed-literal
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numeric-literal = integer-literal
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/ field-literal
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/ product-group-literal
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/ scalar-literal
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atomic-literal = numeric-literal
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/ boolean-literal
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/ address-literal
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/ string-literal
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annotation = "@" identifier
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symbol = "!"
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/ "&&" / "||"
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/ "==" / "!="
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/ "<" / "<=" / ">" / ">="
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/ "&" / "|" / "^"
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/ "<<" / ">>"
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/ "+" / "-" / "*" / "/" / "%" / "**"
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/ "="
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/ "+=" / "-=" / "*=" / "/=" / "%=" / "**="
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/ "<<=" / ">>="
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/ "&=" / "|=" / "^="
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/ "&&=" / "||="
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/ "(" / ")"
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/ "[" / "]"
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/ "{" / "}"
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/ "," / "." / ".." / ";" / ":" / "::" / "?"
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/ "->" / "_"
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/ %s")group"
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token = keyword
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/ identifier
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/ atomic-literal
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/ numeral
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/ annotation
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/ symbol
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lexeme = token / comment / whitespace
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Syntactic Grammar
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; -----------------
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unsigned-type = %s"u8" / %s"u16" / %s"u32" / %s"u64" / %s"u128"
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signed-type = %s"i8" / %s"i16" / %s"i32" / %s"i64" / %s"i128"
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integer-type = unsigned-type / signed-type
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field-type = %s"field"
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group-type = %s"group"
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scalar-type = %s"scalar"
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arithmetic-type = integer-type / field-type / group-type / scalar-type
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boolean-type = %s"bool"
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address-type = %s"address"
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string-type = %s"string"
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primitive-type = boolean-type / arithmetic-type / address-type / string-type
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named-type = primitive-type / identifier
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tuple-type = "(" [ type 1*( "," type ) [ "," ] ] ")"
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type = named-type / tuple-type
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group-coordinate = ( [ "-" ] numeral ) / "+" / "-" / "_"
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affine-group-literal = "(" group-coordinate "," group-coordinate %s")group"
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literal = atomic-literal / affine-group-literal
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group-literal = product-group-literal / affine-group-literal
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primary-expression = literal
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/ variable-or-free-constant
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/ associated-constant
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/ "(" expression ")"
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/ free-function-call
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/ static-function-call
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/ tuple-expression
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/ circuit-expression
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variable-or-free-constant = identifier
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associated-constant = named-type "::" identifier
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free-function-call = identifier function-arguments
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static-function-call = named-type "::" identifier function-arguments
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function-arguments = "(" [ expression *( "," expression ) [ "," ] ] ")"
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tuple-expression = "(" [ expression 1*( "," expression ) [ "," ] ] ")"
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circuit-expression = identifier "{" circuit-component-initializer
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*( "," circuit-component-initializer )
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[ "," ] "}"
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circuit-component-initializer = identifier
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/ identifier ":" expression
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postfix-expression = primary-expression
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/ tuple-component-expression
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/ circuit-component-expression
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/ operator-call
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tuple-component-expression = postfix-expression "." numeral
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circuit-component-expression = postfix-expression "." identifier
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operator-call = unary-operator-call / binary-operator-call
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unary-operator-call = postfix-expression "." identifier "(" ")"
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binary-operator-call =
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postfix-expression "." identifier "(" expression [ "," ] ")"
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unary-expression = postfix-expression
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/ "!" unary-expression
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/ "-" unary-expression
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exponential-expression = unary-expression
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/ unary-expression "**" exponential-expression
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multiplicative-expression = exponential-expression
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/ multiplicative-expression "*" exponential-expression
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/ multiplicative-expression "/" exponential-expression
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/ multiplicative-expression "%" exponential-expression
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additive-expression = multiplicative-expression
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/ additive-expression "+" multiplicative-expression
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/ additive-expression "-" multiplicative-expression
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shift-expression = additive-expression
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/ shift-expression "<<" additive-expression
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/ shift-expression ">>" additive-expression
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conjunctive-expression = shift-expression
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/ conjunctive-expression "&" shift-expression
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disjunctive-expression = conjunctive-expression
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/ disjunctive-expression "|" conjunctive-expression
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exclusive-disjunctive-expression =
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disjunctive-expression
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/ exclusive-disjunctive-expression "^" disjunctive-expression
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ordering-expression =
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exclusive-disjunctive-expression
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/ exclusive-disjunctive-expression "<" exclusive-disjunctive-expression
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/ exclusive-disjunctive-expression ">" exclusive-disjunctive-expression
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/ exclusive-disjunctive-expression "<=" exclusive-disjunctive-expression
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/ exclusive-disjunctive-expression ">=" exclusive-disjunctive-expression
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equality-expression = ordering-expression
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/ ordering-expression "==" ordering-expression
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/ ordering-expression "!=" ordering-expression
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conditional-conjunctive-expression =
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equality-expression
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/ conditional-conjunctive-expression "&&" equality-expression
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conditional-disjunctive-expression =
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conditional-conjunctive-expression
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/ conditional-disjunctive-expression "||" conditional-conjunctive-expression
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binary-expression = conditional-disjunctive-expression
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conditional-ternary-expression = binary-expression
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/ binary-expression "?" expression ":" expression
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expression = conditional-ternary-expression
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statement = return-statement
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/ variable-declaration
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/ constant-declaration
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/ conditional-statement
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/ loop-statement
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/ assignment-statement
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/ console-statement
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/ block
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block = "{" *statement "}"
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return-statement = %s"return" expression ";"
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variable-declaration = %s"let" identifier ":" type "=" expression ";"
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constant-declaration = %s"const" identifier ":" type "=" expression ";"
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branch = %s"if" expression block
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conditional-statement = branch
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/ branch %s"else" block
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/ branch %s"else" conditional-statement
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loop-statement = %s"for" identifier ":" type
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%s"in" expression ".." [ "=" ] expression
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block
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assignment-operator = "="
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/ "+="
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/ "-="
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/ "*="
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/ "/="
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/ "%="
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/ "**="
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/ "<<="
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/ ">>="
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/ "&="
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/ "|="
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/ "^="
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/ "&&="
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/ "||="
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assignment-statement = expression assignment-operator expression ";"
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console-statement = %s"console" "." console-call ";"
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console-call = assert-call
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/ assert-equal-call
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/ assert-not-equal-call
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assert-call = %s"assert" "(" expression ")"
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assert-equal-call = %s"assert_eq" "(" expression "," expression [ "," ] ")"
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assert-not-equal-call = %s"assert_neq" "(" expression "," expression [ "," ] ")"
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function-declaration = *annotation %s"function" identifier
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"(" [ function-parameters ] ")" "->" type
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block
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function-parameters = function-parameter *( "," function-parameter ) [ "," ]
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function-parameter = [ %s"public" / %s"constant" / %s"const" ]
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identifier ":" type
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circuit-declaration = %s"circuit" identifier
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"{" circuit-component-declarations "}"
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circuit-component-declarations = circuit-component-declaration
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*( "," circuit-component-declaration )
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[ "," ]
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circuit-component-declaration = identifier ":" type
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record-declaration = %s"record" identifier
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"{" circuit-component-declarations "}"
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declaration = function-declaration
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/ circuit-declaration
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/ record-declaration
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file = *declaration
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Input Grammar
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; -------------
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input-type = type
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input-expression = expression
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input-item = identifier ":" input-type "=" input-expression ";"
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input-title = "[" ( %s"public" / %s"private" / %s"constant" / %s"const" ) "]"
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input-section = input-title *input-item
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input-file = *input-section
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Output Grammar
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; --------------
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output-expression = expression
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output-item = output-expression ";"
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output-title = "[" %s"output" "]"
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output-section = output-title output-item
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output-file = output-section
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