46 lines
786 B
JavaScript
46 lines
786 B
JavaScript
module.exports = grammar({
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name: "blueprint",
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extras: ($) => [
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/\s+/,
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$.comment,
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],
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rules: {
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source_file: ($) => repeat($._definition),
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_definition: ($) => choice(
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$.assignment,
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),
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comment: (_) => seq("#", /.*/),
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// Definitions {{{
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assignment: ($) => seq(
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field("left", $.identifier),
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field("operator", choice("=", "+=")),
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field("right", $._expr),
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),
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// }}}
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// Expressions {{{
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_expr: ($) => choice(
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// Literals
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$.identifier,
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$.integer_literal,
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),
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// The Blueprint scanner makes use of Go's lexer, so copy their rule
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identifier: (_) => /[_\p{XID_Start}][_\p{XID_Continue}]*/,
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integer_literal: (_) => /[0-9]+/,
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// }}}
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}
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});
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// vim: foldmethod=marker sw=2
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