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Max Brunsfeld
25b8facc6c
These tests are easier to write and maintain if the grammars are just JS, like grammars normally are. It doesn't slow the tests down significantly to shell out to `node` for each of these grammars.
16 lines
451 B
JavaScript
16 lines
451 B
JavaScript
module.exports = grammar({
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name: 'conflicting_precedence',
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rules: {
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expression: $ => choice(
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$.sum,
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$.product,
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$.other_thing,
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),
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sum: $ => prec.left(0, seq($.expression, '+', $.expression)),
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product: $ => prec.left(1, seq($.expression, '*', $.expression)),
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other_thing: $ => prec.left(-1, seq($.expression, '*', '*')),
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identifier: $ => /[a-zA-Z]+/
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}
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}); |