54 lines
1.9 KiB
EBNF
54 lines
1.9 KiB
EBNF
#(*
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# Copyright (C) 2023 The Trinitrix Project <soispha@vhack.eu, antifallobst@systemausfall.org>
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#
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# This file is part of the Trixy crate for Trinitrix.
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#
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# Trixy is free software: you can redistribute it and/or modify
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# it under the terms of the Lesser GNU General Public License as
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# published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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#
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# This program 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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#
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# You should have received a copy of the GNU General Public License
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# and the Lesser GNU General Public License along with this program.
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# If not, see <https://www.gnu.org/licenses/>.
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#*)
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# (*
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# Trixy is fully whitespace independent, this means that you can
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# interleave whitespace in the definitions.
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# The same applies to comments:
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# - Line comments (`// \n`) and
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# - Block comments (`/* */`).
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# *)
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CommandSpec = {Function | Namespace | Enumeration | Structure } ;
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Function = {DocComment} "fn" Identifier "(" [NamedType {"," NamedType }] ")" [ "->" Type ] ";" ;
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Namespace = {DocComment} "nasp" Identifier "{" {Function | Namespace | Enumeration | Structure} "}" ;
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Structure = {DocComment} "struct" Identifier "{" [DocNamedType {"," DocNamedType } [","]] "}" ";";
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Enumeration = {DocComment} "enum" Identifier "{" [DocIdentifier {"," DocIdentifier} [","]] "}" ";";
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Type = Identifier ["<" Type {"," Type} ">"];
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Identifier = (CHARACTER | "_") { NUMBER | CHARACTER | "_" } ;
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DocIdentifier = {DocComment} (CHARACTER | "_") { NUMBER | CHARACTER | "_" } ;
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NamedType = Identifier ":" Type;
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DocNamedType = {DocComment} Identifier ":" Type;
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DocComment = "///" {ANYTHING} LineEnding;
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Comment = "//" [ NOT ("/" {ANYTHING} LineEnding) | "//"] {ANYTHING} LineEnding;
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LineEnding = "\\n" | "\\r" | "\\r\\n";
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# (*
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# vim: ft=ebnf
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# *)
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