28 lines
750 B
Plaintext
28 lines
750 B
Plaintext
// pest. The Elegant Parser
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// Copyright (c) 2018 Dragoș Tiselice
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//
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// Licensed under the Apache License, Version 2.0
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// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
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// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. All files in the project carrying such notice may not be copied,
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// modified, or distributed except according to those terms.
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a = { "a" }
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b = { "b" }
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c = { "c" }
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d = { ANY }
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choices = _{ a | b | c }
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choices_no_progress = { a | b | c }
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choices_a_progress = { a ~ a | b | c }
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choices_b_progress = { a | b ~ b | c }
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level1 = _{ level2 }
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level2 = _{ a | b | c }
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negative = _{ !d }
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negative_match = _{ !a ~ b }
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mixed = _{ !d | a }
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mixed_progress = _{ (!d | a | b) ~ a }
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