98 lines
3.2 KiB
JavaScript
98 lines
3.2 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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integer: ($) => /[+-]*\d+/,
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escape_sequence: ($) => choice($._escape_identity, $._escape_encoded, $._escape_semicolon),
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_escape_identity: ($) => /\\[^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: ($) => prec.left(repeat1(choice(/[a-zA-Z0-9/_.+-]/, $.escape_sequence))),
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variable_ref: ($) => choice($.normal_var, $.env_var, $.cache_var),
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normal_var: ($) => 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($.bracket_argument, $.quoted_argument, $.unquoted_argument),
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bracket_argument: ($) => seq($._bracket_open, optional($.bracket_content), $._bracket_close),
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_bracket_open: ($) => 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($.quoted_element), '"'),
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quoted_element: ($) =>
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repeat1(choice($.variable_ref, /[^\\"]/, $.escape_sequence, seq("\\", $.newline))),
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unquoted_argument: ($) => repeat1(choice($.variable_ref, /[^ ()#\"\\]/, $.escape_sequence)),
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arguments: ($) => seq($.argument, repeat($._seperated_arguments)),
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_seperated_arguments: ($) => prec.left(seq(repeat1($.seperation), optional($.argument))),
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foreach_loop: ($) =>
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seq(
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repeat($.space),
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"foreach",
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repeat($.seperation),
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"(",
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repeat($.seperation),
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choice($.foreach_items, $.foreach_range, $.foreach_lists_items, $.foreach_zip_lists),
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")",
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repeat($.command_invocation),
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repeat($.space),
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"endforeach",
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repeat($.seperation),
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"(",
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optional($.variable),
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")"
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),
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foreach_items: ($) =>
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seq(field("loop_var", $.variable), repeat($.seperation), optional($.arguments)),
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foreach_lists_items: ($) => seq("b"),
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foreach_zip_lists: ($) => seq("c"),
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foreach_range: ($) => choice($.foreach_range_stop, $.foreach_range_full),
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foreach_range_stop: ($) =>
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seq(
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field("loop_var", $.variable),
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repeat1($.seperation),
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"RANGE",
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repeat1($.seperation),
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field("stop", $.integer)
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),
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foreach_range_full: ($) =>
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seq(
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field("loop_var", $.variable),
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repeat1($.seperation),
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"RANGE",
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repeat1($.seperation),
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field("start", $.integer),
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repeat1($.seperation),
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field("stop", $.integer),
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optional(seq(repeat1($.seperation), field("step", $.integer)))
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),
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normal_command: ($) =>
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seq(
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repeat($.space),
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$.identifier,
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repeat($.space),
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"(",
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repeat($.seperation),
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optional($.arguments),
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")"
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),
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command_invocation: ($) => choice($.normal_command, $.foreach_loop),
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},
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});
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