mirror of
https://github.com/pnx/tree-sitter-dotenv
synced 2026-06-16 01:54:56 +02:00
Henrik Hautakoski
d0b54d61aa
Problem was before that for example the input [0x000KKK] would produce a hexadecimal and a value token (for the respective parts) However, the more correct way is to have the whole input identified as a value token. basicly if the whole input between "=" and a special "end-of-assignment" token can't be identified as a string,bool,integer whatever. it should be identified as a value token.
69 lines
1.2 KiB
JavaScript
69 lines
1.2 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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externals: $ => [
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$._end_of_assignment,
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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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optional(field("value", $._value)),
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$._end_of_assignment,
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),
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comment: _ => /\#[^\n]*/,
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identifier: _ => /[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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),
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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: _ => /[^']*/,
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string_interpolation_content: _ => /[^"]*/,
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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: _ => /(\-)?[1-9]\d*/,
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hexadecimal: _ => /0[xX][0-9a-fA-F]+/,
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float: _ => /(\-)?[1-9]\d*\.\d+/,
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boolean: _ => token(choice('true', 'false')),
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value: _ => /[^\#\s\"\']+/,
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},
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});
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