62 lines
1.1 KiB
JavaScript
62 lines
1.1 KiB
JavaScript
module.exports = grammar({
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name: 'bash',
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inline: $ => [$.control_operator],
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rules: {
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program: $ => repeat($.command),
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command: $ => seq(
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choice(
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$.simple_command,
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$.pipeline,
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$.list
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),
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$.control_operator
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),
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simple_command: $ => seq(
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repeat($.environment_variable_assignment),
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rename($.leading_word, 'command_name'),
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optional(seq(
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/\s+/,
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repeat(rename($.word, 'argument'))
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))
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),
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pipeline: $ => prec.left(seq(
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$.simple_command,
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choice('|', '|&'),
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$.simple_command
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)),
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list: $ => prec.left(seq(
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choice(
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$.simple_command,
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$.list,
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$.pipeline
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),
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choice('&&', ';'),
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choice(
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$.simple_command,
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$.pipeline
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)
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)),
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environment_variable_assignment: $ => seq(
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rename($.leading_word, 'variable_name'),
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'=',
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rename($.word, 'argument')
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),
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leading_word: $ => /[^\s=|;]+/,
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word: $ => /[^\s]+/,
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control_operator: $ => choice(
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'\n',
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';;'
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)
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}
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});
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