d05c665863
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.
32 lines
No EOL
665 B
JavaScript
32 lines
No EOL
665 B
JavaScript
module.exports = grammar({
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name: 'dynamic_precedence',
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extras: $ => [/\s/],
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conflicts: $ => [[$.expression, $.type]],
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rules: {
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program: $ => choice(
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$.declaration,
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$.expression,
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),
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expression: $ => choice(
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prec.left(seq($.expression, '*', $.expression)),
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$.identifier
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),
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declaration: $ => seq(
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$.type,
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$.declarator,
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),
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declarator: $ => choice(
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prec.dynamic(1, seq('*', $.identifier)),
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$.identifier,
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),
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type: $ => $.identifier,
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identifier: $ => /[a-z-A-Z]+/
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}
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}); |