85 lines
2 KiB
JavaScript
85 lines
2 KiB
JavaScript
module.exports = grammar({
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name: 'cmake',
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rules: {
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source_file: $ => repeat($.command_invocation),
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line_ending: $ => $.newline,
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seperation: $ => choice($.space, $.line_ending),
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space: $ => /[ \t]+/,
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newline: $ => /\n/,
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identifier: $ => /[A-Za-z_][A-Za-z0-9_]*/,
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escape_sequence: $ => choice(
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$._escape_identity,
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$._escape_encoded,
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$._escape_semicolon,
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),
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_escape_identity: $ => /\\[^A-Za-z0-9;]/,
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_escape_encoded: $ => choice('\\t', '\\r', '\\n'),
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_escape_semicolon: $ => '\;',
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variable_ref: $ => choice(
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$.normal_var,
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$.env_var,
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$.cache_var,
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),
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variable: $ => repeat1(choice(
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/[a-zA-Z0-9/_.+-]/,
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$.escape_sequence,
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)),
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normal_var: $ => seq('${', $.variable, '}'),
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env_var: $ => seq('$ENV{', $.variable, '}'),
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cache_var: $ => seq('$CACHE{', $.variable, '}'),
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argument: $ => choice(
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$.bracket_argument,
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$.quoted_argument,
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$.unquoted_argument,
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),
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bracket_argument: $ => seq(
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$._bracket_open,
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optional($.bracket_content),
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$._bracket_close,
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),
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_bracket_open: $ => seq('[', repeat('='), '['),
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bracket_content: $ => repeat1(/[^\]]/),
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_bracket_close: $ => seq(']', repeat('='), ']'),
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quoted_argument: $ => seq('"', optional($.quoted_element), '"'),
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quoted_element: $ => repeat1(choice(
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$.variable_ref,
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/[^\\"]/,
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$.escape_sequence,
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seq('\\', $.newline),
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)),
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unquoted_argument: $ => repeat1(
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choice(
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$.variable_ref,
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/[^ ()#\"\\]/,
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$.escape_sequence,
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)
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),
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arguments: $ => seq($.argument, repeat($._seperated_arguments)),
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_seperated_arguments: $ => prec.left(seq(
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repeat1($.seperation),
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optional($.argument)
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)),
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command_invocation: $ => seq(
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repeat($.space),
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$.identifier,
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repeat($.seperation),
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'(',
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repeat($.seperation),
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optional($.arguments),
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')'
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),
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}
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})
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