nvim config updates
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20 changed files with 1108 additions and 30 deletions
491
.config/nvim/treesitter/dockerfile/grammar.js
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491
.config/nvim/treesitter/dockerfile/grammar.js
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@ -0,0 +1,491 @@
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module.exports = grammar({
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name: "dockerfile",
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extras: ($) => [/\s+/, $.line_continuation, $.comment],
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externals: ($) => [
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$.heredoc_marker,
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$.heredoc_line,
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$.heredoc_end,
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$.heredoc_nl,
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$.error_sentinel,
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],
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rules: {
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source_file: ($) => repeat(seq($._instruction, "\n")),
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_instruction: ($) =>
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choice(
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$.from_instruction,
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$.run_instruction,
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$.cmd_instruction,
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$.label_instruction,
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$.expose_instruction,
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$.env_instruction,
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$.add_instruction,
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$.copy_instruction,
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$.entrypoint_instruction,
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$.volume_instruction,
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$.user_instruction,
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$.workdir_instruction,
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$.arg_instruction,
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$.onbuild_instruction,
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$.stopsignal_instruction,
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$.healthcheck_instruction,
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$.shell_instruction,
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$.maintainer_instruction,
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$.cross_build_instruction,
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),
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from_instruction: ($) =>
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seq(
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alias(/[fF][rR][oO][mM]/, "FROM"),
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optional($.param),
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$.image_spec,
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optional(seq(alias(/[aA][sS]/, "AS"), field("as", $.image_alias)))
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),
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run_instruction: ($) =>
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seq(
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alias(/[rR][uU][nN]/, "RUN"),
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repeat(
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choice(
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$.param,
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$.mount_param
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)
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),
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choice($.json_string_array, $.shell_command),
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repeat($.heredoc_block)
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),
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cmd_instruction: ($) =>
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seq(
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alias(/[cC][mM][dD]/, "CMD"),
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choice($.json_string_array, $.shell_command)
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),
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label_instruction: ($) =>
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seq(alias(/[lL][aA][bB][eE][lL]/, "LABEL"), repeat1($.label_pair)),
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expose_instruction: ($) =>
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seq(
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alias(/[eE][xX][pP][oO][sS][eE]/, "EXPOSE"),
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repeat1(choice($.expose_port, $.expansion))
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),
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env_instruction: ($) =>
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seq(
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alias(/[eE][nN][vV]/, "ENV"),
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choice(repeat1($.env_pair), alias($._spaced_env_pair, $.env_pair))
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),
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add_instruction: ($) =>
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seq(
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alias(/[aA][dD][dD]/, "ADD"),
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repeat($.param),
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repeat1(
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seq(alias($.path_with_heredoc, $.path), $._non_newline_whitespace)
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),
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alias($.path_with_heredoc, $.path),
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repeat($.heredoc_block)
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),
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copy_instruction: ($) =>
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seq(
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alias(/[cC][oO][pP][yY]/, "COPY"),
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repeat($.param),
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repeat1(
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seq(alias($.path_with_heredoc, $.path), $._non_newline_whitespace)
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),
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alias($.path_with_heredoc, $.path),
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repeat($.heredoc_block)
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),
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entrypoint_instruction: ($) =>
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seq(
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alias(/[eE][nN][tT][rR][yY][pP][oO][iI][nN][tT]/, "ENTRYPOINT"),
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choice($.json_string_array, $.shell_command)
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),
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volume_instruction: ($) =>
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seq(
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alias(/[vV][oO][lL][uU][mM][eE]/, "VOLUME"),
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choice(
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$.json_string_array,
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seq($.path, repeat(seq($._non_newline_whitespace, $.path)))
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)
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),
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user_instruction: ($) =>
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seq(
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alias(/[uU][sS][eE][rR]/, "USER"),
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field("user", alias($._user_name_or_group, $.unquoted_string)),
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optional(
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seq(
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token.immediate(":"),
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field("group",
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alias($._immediate_user_name_or_group, $.unquoted_string))
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)
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)
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),
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_user_name_or_group: ($) =>
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seq(
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choice(/([a-zA-Z][-A-Za-z0-9_]*|[0-9]+)/, $.expansion),
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repeat($._immediate_user_name_or_group_fragment)
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),
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// same as _user_name_or_group but sticks to previous token
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_immediate_user_name_or_group: ($) =>
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repeat1($._immediate_user_name_or_group_fragment),
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_immediate_user_name_or_group_fragment: ($) =>
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choice(
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token.immediate(/([a-zA-Z][-a-zA-Z0-9_]*|[0-9]+)/),
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$._immediate_expansion
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),
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workdir_instruction: ($) =>
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seq(alias(/[wW][oO][rR][kK][dD][iI][rR]/, "WORKDIR"), $.path),
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arg_instruction: ($) =>
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seq(
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alias(/[aA][rR][gG]/, "ARG"),
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field("name", alias(/[a-zA-Z0-9_]+/, $.unquoted_string)),
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optional(
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seq(
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token.immediate("="),
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field("default",
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choice(
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$.double_quoted_string,
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$.single_quoted_string,
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$.unquoted_string
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))
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)
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)
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),
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onbuild_instruction: ($) =>
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seq(alias(/[oO][nN][bB][uU][iI][lL][dD]/, "ONBUILD"), $._instruction),
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stopsignal_instruction: ($) =>
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seq(
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alias(/[sS][tT][oO][pP][sS][iI][gG][nN][aA][lL]/, "STOPSIGNAL"),
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$._stopsignal_value
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),
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_stopsignal_value: ($) =>
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seq(
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choice(/[A-Z0-9]+/, $.expansion),
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repeat(choice(token.immediate(/[A-Z0-9]+/), $._immediate_expansion))
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),
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healthcheck_instruction: ($) =>
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seq(
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alias(/[hH][eE][aA][lL][tT][hH][cC][hH][eE][cC][kK]/, "HEALTHCHECK"),
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choice("NONE", seq(repeat($.param), $.cmd_instruction))
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),
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shell_instruction: ($) =>
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seq(alias(/[sS][hH][eE][lL][lL]/, "SHELL"), $.json_string_array),
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maintainer_instruction: () =>
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seq(
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alias(/[mM][aA][iI][nN][tT][aA][iI][nN][eE][rR]/, "MAINTAINER"),
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/.*/
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),
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cross_build_instruction: () =>
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seq(
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alias(
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/[cC][rR][oO][sS][sS]_[bB][uU][iI][lL][dD][a-zA-Z_]*/,
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"CROSS_BUILD"
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),
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/.*/
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),
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heredoc_block: ($) =>
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seq(
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// A heredoc block starts with a line break after the instruction it
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// belongs to. The herdoc_nl token is a special token that only matches
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// \n if there's at least one open heredoc to avoid conflicts.
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// We also alias this token to hide it from the output like all other
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// whitespace.
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alias($.heredoc_nl, "_heredoc_nl"),
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repeat(seq($.heredoc_line, "\n")),
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$.heredoc_end
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),
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path: ($) =>
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seq(
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choice(
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/[^-\s\$<]/, // cannot start with a '-' to avoid conflicts with params
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/<[^<]/, // cannot start with a '<<' to avoid conflicts with heredocs (a single < is fine, though)
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$.expansion
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),
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repeat(choice(token.immediate(/[^\s\$]+/), $._immediate_expansion))
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),
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path_with_heredoc: ($) =>
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choice(
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$.heredoc_marker,
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seq(
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choice(
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/[^-\s\$<]/, // cannot start with a '-' to avoid conflicts with params
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/<[^-\s\$<]/,
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$.expansion
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),
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repeat(choice(token.immediate(/[^\s\$]+/), $._immediate_expansion))
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)
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),
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expansion: $ =>
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seq("$", $._expansion_body),
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// we have 2 rules b/c aliases don't work as expected on seq() directly
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_immediate_expansion: $ => alias($._imm_expansion, $.expansion),
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_imm_expansion: $ =>
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seq(token.immediate("$"), $._expansion_body),
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_expansion_body: $ =>
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choice(
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$.variable,
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seq(
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token.immediate("{"),
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alias(token.immediate(/[^\}]+/), $.variable),
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token.immediate("}")
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)
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),
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variable: () => token.immediate(/[a-zA-Z_][a-zA-Z0-9_]*/),
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env_pair: ($) =>
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seq(
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field("name", $._env_key),
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token.immediate("="),
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optional(
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field("value",
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choice(
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$.double_quoted_string,
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$.single_quoted_string,
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$.unquoted_string
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))
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)
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),
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_spaced_env_pair: ($) =>
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seq(
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field("name", $._env_key),
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token.immediate(/\s+/),
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field("value",
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choice(
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$.double_quoted_string,
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$.single_quoted_string,
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$.unquoted_string
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))
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),
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_env_key: ($) =>
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alias(/[a-zA-Z_][a-zA-Z0-9_]*/, $.unquoted_string),
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expose_port: () => seq(/\d+(-\d+)?/, optional(choice("/tcp", "/udp"))),
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label_pair: ($) =>
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seq(
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field("key", choice(
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alias(/[-a-zA-Z0-9\._]+/, $.unquoted_string),
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$.double_quoted_string,
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$.single_quoted_string
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)),
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token.immediate("="),
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field("value",
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choice(
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$.double_quoted_string,
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$.single_quoted_string,
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$.unquoted_string
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))
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),
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image_spec: ($) =>
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seq(
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field("name", $.image_name),
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seq(
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field("tag", optional($.image_tag)),
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field("digest", optional($.image_digest))
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)
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),
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image_name: ($) =>
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seq(
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choice(/[^@:\s\$-]/, $.expansion),
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repeat(choice(token.immediate(/[^@:\s\$]+/), $._immediate_expansion))
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),
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image_tag: ($) =>
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seq(
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token.immediate(":"),
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repeat1(choice(token.immediate(/[^@\s\$]+/), $._immediate_expansion))
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),
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image_digest: ($) =>
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seq(
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token.immediate("@"),
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repeat1(choice(token.immediate(/[a-zA-Z0-9:]+/), $._immediate_expansion))
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),
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// Generic parsing of options passed right after an instruction name.
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param: () =>
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seq(
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"--",
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field("name", token.immediate(/[a-z][-a-z]*/)),
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token.immediate("="),
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field("value", token.immediate(/[^\s]+/))
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),
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// Specific parsing of the --mount option e.g.
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//
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// --mount=type=cache,target=/root/.cache/go-build
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//
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mount_param: ($) => seq(
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"--",
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field("name", token.immediate("mount")),
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token.immediate("="),
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field(
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"value",
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seq(
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$.mount_param_param,
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repeat(
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seq(token.immediate(","), $.mount_param_param)
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)
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)
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)
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),
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mount_param_param: () => seq(
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token.immediate(/[^\s=,]+/),
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token.immediate("="),
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token.immediate(/[^\s=,]+/)
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),
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image_alias: ($) => seq(
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choice(/[-a-zA-Z0-9_]+/, $.expansion),
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repeat(choice(token.immediate(/[-a-zA-Z0-9_]+/), $._immediate_expansion))
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),
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shell_command: ($) =>
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seq(
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$.shell_fragment,
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repeat(
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seq(
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alias($.required_line_continuation, $.line_continuation),
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$.shell_fragment
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)
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)
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),
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shell_fragment: ($) => repeat1(
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choice(
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// A shell fragment is broken into the same tokens as other
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// constructs because the lexer prefers the longer tokens
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// when it has a choice. The example below shows the tokenization
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// of the --mount parameter.
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//
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// RUN --mount=foo=bar,baz=42 ls --all
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// ^^ ^ ^ ^ ^
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// ^^^^^ ^^^ ^^^ ^^^ ^^
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// |--------param-------|
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// |--shell_command--|
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//
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seq($.heredoc_marker, /[ \t]*/),
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/[,=-]/,
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/[^\\\[\n#\s,=-][^\\\n<]*/,
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/\\[^\n,=-]/,
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/<[^<]/,
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)
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),
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line_continuation: () => /\\[ \t]*\n/,
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required_line_continuation: () => "\\\n",
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json_string_array: ($) =>
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seq(
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"[",
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optional(
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seq($.json_string, repeat(seq(",", $.json_string)))
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),
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"]"
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),
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// Note that JSON strings are different from the other double-quoted
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// strings. They don't support $-expansions.
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// Convenient reference: https://www.json.org/
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json_string: ($) => seq(
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'"',
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repeat(
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choice(
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token.immediate(/[^"\\]+/),
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alias($.json_escape_sequence, $.escape_sequence)
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)
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),
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'"'
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),
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json_escape_sequence: () => token.immediate(
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/\\(?:["\\/bfnrt]|u[0-9A-Fa-f]{4})/
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),
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double_quoted_string: ($) =>
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seq(
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'"',
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repeat(
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choice(
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token.immediate(/[^"\n\\\$]+/),
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alias($.double_quoted_escape_sequence, $.escape_sequence),
|
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"\\",
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$._immediate_expansion
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)
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),
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'"'
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),
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// same as double_quoted_string but without $-expansions:
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single_quoted_string: ($) =>
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seq(
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"'",
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repeat(
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choice(
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token.immediate(/[^'\n\\]+/),
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alias($.single_quoted_escape_sequence, $.escape_sequence),
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"\\",
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)
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),
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"'"
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),
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unquoted_string: ($) =>
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repeat1(
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choice(
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token.immediate(/[^\s\n\"'\\\$]+/),
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token.immediate("\\ "),
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$._immediate_expansion
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)
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),
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double_quoted_escape_sequence: () => token.immediate(
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choice(
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"\\\\",
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"\\\""
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)
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),
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single_quoted_escape_sequence: () => token.immediate(
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choice(
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"\\\\",
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"\\'"
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)
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),
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_non_newline_whitespace: () => token.immediate(/[\t ]+/),
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comment: () => /#.*/,
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},
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});
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