mirror of
https://github.com/pnx/tree-sitter-dotenv
synced 2026-06-16 01:54:56 +02:00
73 lines
1.3 KiB
JavaScript
73 lines
1.3 KiB
JavaScript
/// <reference types="tree-sitter-cli/dsl" />
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// @ts-check
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module.exports = grammar({
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name: "dotenv",
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extras: _ => [
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/\s/
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],
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externals: $ => [
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$._empty_value,
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],
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rules: {
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document: $ => repeat(choice(
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$.comment,
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$.assignment,
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)),
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assignment: $ => seq(
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field("key", $.identifier),
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"=",
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field("value", $._value),
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),
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comment: _ => seq('#', /.*/),
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identifier: _ => token(/[A-Za-z_][A-Za-z0-9_]*/),
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_value: $ => choice(
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$.string,
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$.string_interpolation,
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$.number,
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$.boolean,
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$.value,
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alias($._empty_value, $.value),
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),
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string: $ => seq(
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"'",
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$.string_content,
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"'",
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),
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string_interpolation: $ => seq(
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'"',
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alias($.string_interpolation_content, $.string_content),
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'"',
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),
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// Strings
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string_content: _ => token(/[^']*/),
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string_interpolation_content: _ => token(/[^"]*/),
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// Numbers
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number: $ => choice(
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$.integer,
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$.float,
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$.hexadecimal,
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),
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integer: _ => token(/(\-)?\d+/),
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float: _ => seq(/(\-)?\d+/, '.', /\d+/),
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hexadecimal: _ => seq('0x', /[0-9a-fA-F]+/),
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boolean: _ => token(choice('true', 'false')),
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value: _ => token(prec(-1, /[^\#\s]+/)),
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},
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});
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