Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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39 lines
1.6 KiB
39 lines
1.6 KiB
# Copyright (c) 2019, Google Inc. |
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# |
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# Permission to use, copy, modify, and/or distribute this software for any |
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# purpose with or without fee is hereby granted, provided that the above |
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# copyright notice and this permission notice appear in all copies. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
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# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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package main |
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type Statement Peg {} |
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Statement <- WS? (Assignment / Action / Expression) WS? !. |
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Assignment <- Variable WS? '=' WS? Expression |
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Variable <- [a-zA-Z_][a-zA-Z0-9_]* |
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Expression <- (StringLiteral / Indexing / Search / Variable) |
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StringLiteral <- '"' QuotedText '"' |
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QuotedText <- (EscapedChar / [^\\"])* |
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EscapedChar <- '\\' [\\n"] |
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Indexing <- Variable ('[' Index ']')+ |
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Index <- [0-9a-z]+ |
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Search <- Variable '[' WS? 'where' WS Query ']' |
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Action <- Expression '.' Command |
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Command <- Function '(' Args? ')' |
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Function <- [a-zA-Z]+ |
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Args <- StringLiteral (WS? ',' WS? Args) |
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Query <- Conjunctions (WS? '||' WS? Conjunctions)? |
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Conjunctions <- Conjunction (WS? '&&' WS? Conjunctions)? |
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Conjunction <- Field WS? Relation WS? StringLiteral |
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Field <- [a-z][a-zA-Z0-9]* |
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Relation <- ('==' / '!=' / 'contains' / 'startsWith' / 'endsWith') |
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WS <- [ \t]+
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