mindfork 0.10.2

%YAML 1.2
---
version: 2
# http://www.sublimetext.com/docs/3/syntax.html
name: Elixir
scope: source.elixir

file_extensions: [ex, exs]
first_line_match: ^#!\s*/.*\b(?:elixirc?|iex)

authors:
  # Contributed several times and later on finished a complete rewrite with lots of new features.
  - Aziz Köksal <aziz.koeksal@gmail.com>

  # Transformed elixir-tmbundle to a sublime-syntax file with additional improvements.
  - Po Chen <chenpaul914@gmail.com>

  # Created elixir-tmbundle by basing off of the Textmate bundle for Ruby (by James Edward Gray II).
  - José Valim <jose.valim@dashbit.co>

variables:
  module_name: '[A-Z][a-zA-Z\d_]*+'
  atom_id_suffix: '[\w@]*+[?!]?+'
  atom_id: (?>[[:alpha:]_]{{atom_id_suffix}})
  identifier: (?>[[:lower:]_]\w*+[?!]?+)
  no_id_key_suffix: (?=\b(?!{{atom_id_suffix}}:(?!:)|[?!])|(?<=[?!])(?!:(?!:)))
  no_key_suffix: (?!{{atom_id_suffix}}:(?!:))
  no_colon_suffix: (?![:'"[:alpha:]])

  # NB: the keywords are ordered by number of occurrences in the compiler source code of Elixir.
  # Stats can be produced using `Makeup.Lexers.ElixirLexer.lex()`.
  # To be more accurate "scripts/count_tokens_by_scope.py" can be used.
  # Run `cat lib/**/*.ex > all.ex` to join all source files into a single file.
  closing_keyword: (?>end|else|after|rescue|catch){{no_id_key_suffix}}
  closing_token: (?>[)}\];#]|>>(?!>)|%>|$|{{closing_keyword}})

  binary_operator: |
    (?x)(?>
      (?<!\s)\[ | <?<~ | ~>>? | <~> | [*=/|\\>] | \.(?!\.\.) | <(?!<[^<~] | %=)
    | \^{3} | && | (?<!\s)[-+]\S | [-+][-+>\s] | ::(?!:) | $ | !=
    | (?>when|and|in|or|not\s+in){{no_id_key_suffix}}
    )

  operator: |
    (?x)(?>
      =~ | ={1,3} | @ | <?\|> | (?!<%=)[<-](?![~=] | < | --)[->]? | \|{1,3} | ::
    | &{1,3} | \+{1,3} | \\\\ | \^{3} | \^ | \.{1,3} | !={0,2} | [<>]= | \*\*?
    | >>> | >(?!>) | // | / | <<< | ~~~ | <~> | <?<~ | ~>>? | ---
    )

  has_arguments: |
    (?x)(?=
      \(
    | \s* (?!\?:) (?>{{operator}}: {{no_colon_suffix}} | \\(?!\\))
    | (?! \s* (?>, | {{closing_token}} | {{binary_operator}}) )
    )
  no_suffix_then_arguments: '{{no_id_key_suffix}}{{has_arguments}}'

  atom_symbol: (?>{{atom_id}}|<<>>|\.\.//|{{operator}}|%?{}|%)
  member: (?>{{identifier}}|{{operator}}|{})

  # This regex is used to recognize Elixir inside Markdown comments.
  # The rules have been commented out as the recognition wasn't reliable enough.
  # It was incomplete, maybe distracting and speed may have been affected, too.
  # It can be re-enabled by uncommenting all lines containing "{{is_markdown_elixir}}".
  is_markdown_elixir: |
    (?x)
    ```\s*elixir\b
    | (?<=\s{4})(?>
        (?>iex|\.{3}).*?>
      | (?>
          def(?>module|impl|macro|guard|struct|delegate|protocol|p)?
        | (?#if|for|)unless|case|cond|with|try|receive|quote|unquote(?:_splicing)?
        ){{no_id_key_suffix}}
        (?>\(|.+\bdo\b)
      )

contexts:
  main:
    - include: core_syntax

  prototype:
    # NB: rules in the prototype context will always match before any other.
    - include: merge_conflict # Merge conflict markers can occur anywhere.
    # Commented out: see "is_markdown_elixir" above.
    # - include: iex_dots       # iex prompt continuation: ...>

  core_syntax:
    # The rules are approximately ordered by their likeliness of occurrence
    # in Elixir's and Phoenix's source code.
    # Some rules have to come before others in any case, like atom_keyword for example.
    - include: atom_keyword            # key:
    - include: def_blocks              # def f(a, b, c)
    - include: elixir_keywords         # when, true, and, else ...
    - include: built_ins               # is_binary(x)
    - include: alias                   # alias M
    - include: fn_block                # fn a -> a end
    - include: elixir_functions        # if, case, with
    - include: special_form            # __MODULE__, __ENV__
    - include: do_block                # do end
    - include: sql_or_fragment         # sql("SELECT * FROM t"); fragment("meta->>key")
    - include: modules_or_ids_or_calls # Module, id, M.f(), x.y()
    - include: comma_and_skip_ws       # ,
    - include: operator                # a == b
    - include: atom_symbol             # :key
    - include: string                  # "x", << x >>, ~w[x]a, ~r/x/
    - include: dot_accessor            # .x
    - include: tuple                   # {a, b, c}
    - include: item_access             # x[y]
    - include: list                    # [a, b, c]
    - include: module_attribute        # @type t, @spec s, @doc "D"
    - include: numeric                 # 1, 2.0e3, 0xFF, 0b10, 0o7
    - include: map                     # %{}, %M{}
    - include: comment                 # # ...
    - include: capture                 # &Module.f/1, &(&1<>&2)
    - include: char_literal            # ?x
    - include: paren                   # (x)
    - include: line_continuation       # \

  merge_conflict:
    - match: ^(?=<{7}|={7}|>{7})
      push:
        - clear_scopes: true
        - match: (?>(<+)(.*\n)|(=+)(.*\n)|(>+)(.*\n))
          scope: text.git.conflict
          captures:
            1: punctuation.section.block.begin.git.conflict
            2: comment.line.current.git.conflict
            3: punctuation.section.block.middle.git.conflict
            4: comment.line.middle.git.conflict
            5: punctuation.section.block.end.git.conflict
            6: comment.line.incoming.git.conflict
          pop: 1

  ## Functions

  fn_block:
    - match: fn{{no_id_key_suffix}}
      scope: punctuation.section.block.begin.elixir keyword.other.fn.elixir
      push: [fn_block_end_pop, arrow_clauses_body_pop, fn_single_body_or_pop]

  fn_single_body_or_pop:
    - match: (?=->)
      set:
        - match: (?=end{{no_id_key_suffix}})
          pop: 1
        - include: core_syntax
    - include: if_non_space_or_eol_pop

  fn_block_end_pop:
    - include: block_end_pop
    - include: if_closing_token_pop
    - include: core_syntax

  arrow_clauses_body_pop:
    - match: (?=\S)
      set:
        - match: (?=->|when{{no_id_key_suffix}})
          push: inlined_core_syntax_pop
        # NB: no default parameters in arrow clauses
        - match: \\\\(?!:{{no_colon_suffix}})
          scope: keyword.operator.default.elixir invalid.illegal.default-operator.elixir
        - include: parameters_or_if_closing_pop
    - match: $
      set:
        - include: if_closing_token_pop
        - match: ^(\s*)(?=[^#\s])
          push: [indented_core_syntax_pop, params_until_arrow_pop]
        - include: core_syntax

  inlined_core_syntax_pop:
    - match: (?=;)
      pop: 1
    - include: core_syntax_or_if_closing_pop

  params_until_arrow_pop:
    - match: (?=->|when{{no_id_key_suffix}})
      pop: 1
    - include: parameters_or_if_closing_pop

  indented_core_syntax_pop:
    - match: ^(?=\1[^#\s]|(?!\1)(?!\s*(#|$)))
      pop: 1
    - include: core_syntax_or_if_closing_pop

  function_header_pop:
    - match: \(
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: arguments_closing_pop
        - match: ''
          push: function_header_args_pop
    - match: \s?
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: arguments_ws_closing_pop
        - match: ''
          push: function_header_args_pop

  function_header_args_pop:
    - match: (?={{atom_symbol}}:(?!:))|(?<=[^:]:)
      set: arguments_ws_rest_pop

    - match: (?=unquote\(\s*:(?!:(?!:)))
      set: [function_params_or_eol_pop, function_atom_name_pop, unquote_pop]

    - match: (?=unquote(?:_splicing)?\()
      set: [function_params_or_eol_pop, arguments_pop, unquote_pop]

    - match: not{{no_suffix_then_arguments}}
      scope: entity.name.function.elixir
      set: function_free_form_header_pop

    - include: atom_keyword
    - include: func_do_block_pop
    - include: block_or_keyword
    - include: paren_param

    - match: '{{identifier}}(?=\s){{has_arguments}}'
      scope: entity.name.function.elixir
      set: function_free_form_header_pop

    - match: '{{identifier}}(?=\s*([(),;]|do{{no_id_key_suffix}}|$))'
      comment: e.g. "def func," OR "def func(a, b)" OR "def func do" OR "def func"
      scope: entity.name.function.elixir
      set: function_params_or_eol_pop

    - match: (?=\S)
      set:
        - match: |
            (?x)
            (?>((?=_)(?<!%>){{identifier}})|({{identifier}}))?
            \s*
            ({{operator}}|(?>and|in|or){{no_id_key_suffix}})
          comment: e.g. x && y
          captures:
            1: variable.parameter.unused.elixir
            2: variable.parameter.elixir
            3: entity.name.function.elixir
          set:
            - match: (?=,|when{{no_id_key_suffix}})
              set: arguments_ws_rest_pop
            - include: func_do_block_pop
            - include: if_ws_closing_token_or_eol_pop
            - include: paren_param
            - include: parameters_or_if_closing_pop
            - include: if_non_space_pop
        - include: if_ws_closing_token_or_eol_pop
        - include: paren
        - match: \{(?!}:(?!:(?!:)))
          scope: entity.name.function.elixir
          set:
            - meta_scope: meta.function.parameters.elixir
            - match: \}
              scope: entity.name.function.elixir
              set: arguments_ws_rest_pop
            - include: parameters_or_if_closing_pop
        - include: parameters_or_if_closing_pop
        - include: function_params_or_eol_pop

  function_free_form_header_pop:
    # E.g.: "def func a, b do {a, b} end"
    - match: (?={{atom_symbol}}:(?!:))|(?<=[^:]:)|(?=when{{no_id_key_suffix}})
      comment: break at first atom key (usually "do:")
      set: arguments_ws_rest_pop
    - include: arg_comma_and_skip_ws
    - include: function_ws_params_pop

  function_ws_params_pop:
    - include: func_do_block_pop
    - include: if_ws_closing_token_or_eol_pop
    - include: paren
    - include: parameters_or_if_closing_pop
    - include: if_non_space_pop

  function_params_or_eol_pop:
    - match: \(
      scope: punctuation.definition.parameters.begin.elixir
      set:
        - meta_scope: meta.function.parameters.elixir
        - match: \)
          scope: punctuation.definition.parameters.end.elixir
          set: function_body_pop
        - include: parameters_or_if_closing_pop
    - match: (?=,)
      set: arguments_ws_rest_pop
    - include: func_do_block_pop
    - include: if_ws_closing_token_or_eol_pop
    - include: if_non_space_pop

  function_body_pop:
    - include: func_do_block_pop
    - include: arguments_ws_rest_pop

  function_atom_name_pop:
    - match: \(
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: arguments_closing_pop
        - match: ':'
          scope: constant.other.symbol.elixir punctuation.definition.constant.begin.elixir
          push:
            - match: (?=<%)|{{atom_symbol}}
              scope: constant.other.symbol.elixir entity.name.function.elixir
              pop: 1
            - match: (["'])
              scope: punctuation.definition.constant.begin.elixir
              set:
                - meta_scope: constant.other.symbol.quoted.elixir
                - match: \1
                  scope: punctuation.definition.constant.end.elixir
                  pop: 1
                - include: interpolated_elixir
                - match: \\?.|\n
                  scope: entity.name.function.elixir
            - include: if_empty_pop
        - include: core_syntax

  ## Parameters

  parameters:
    - include: block_or_keyword
    - include: special_form
    - match: (?=\^\s*{{identifier}}{{no_key_suffix}}(?!\s*\.(?!\.))(?!{{has_arguments}}))
      push:
        - include: operator
        - include: identifier_pop
    - match: |
        (?x)
        (?>((?=_)(?<!%>){{identifier}})|({{identifier}}))
        (?=\s*(?>[,;)}\]=|\\]|\.\.|::|->|<-|<>|>>|(?>when|do){{no_id_key_suffix}}|$))
      captures:
        1: variable.parameter.unused.elixir
        2: variable.parameter.elixir
    - match: (?=\\\\(?!:{{no_colon_suffix}})|<-)
      push:
        - match: (?=,|(?>when|do){{no_id_key_suffix}}|do:(?!:))
          pop: 1
        - include: core_syntax_or_if_closing_pop
    - include: paren_param
    - include: list_param
    - include: tuple_param
    - include: map_param
    - include: binary_string_param
    # Use last_id_argument here to avoid matching `@attr do` as an entity symbol.
    - include: last_id_argument
    - include: core_syntax

  parameters_or_if_closing_pop:
    - include: if_closing_token_pop
    - include: parameters

  paren_param:
    - match: (?=\()
      push: paren_param_pop

  paren_param_pop:
    - match: \(
      scope: punctuation.definition.parameters.begin.elixir
      set:
        - meta_scope: meta.function.parameters.elixir
        - match: \)
          scope: punctuation.definition.parameters.end.elixir
          pop: 1
        - include: parameters_or_if_closing_pop

  tuple_param:
    - match: \{
      scope: punctuation.section.sequence.begin.elixir
      push:
        - meta_scope: meta.sequence.tuple.elixir
        - match: \}
          scope: punctuation.section.sequence.end.elixir
          pop: 1
        - include: parameters_or_if_closing_pop

  list_param:
    - match: \[
      scope: punctuation.section.brackets.begin.elixir
      push:
        - meta_scope: meta.brackets.elixir
        - match: \]
          scope: punctuation.section.brackets.end.elixir
          pop: 1
        - include: cons_operator
        - include: parameters_or_if_closing_pop

  map_param:
    - match: \%
      scope: punctuation.section.mapping.begin.elixir
      push:
        - meta_scope: meta.mapping.elixir
        - match: (?=unquote\()
          set: [map_param_body_pop, arguments_pop, unquote_pop]
        - include: alias_names
        - match: ((?=_)(?<!%>){{identifier}})|({{identifier}})
          captures:
            1: variable.parameter.unused.elixir
            2: variable.parameter.elixir
          set: map_param_body_pop
        - include: map_param_body_pop

  map_param_body_pop:
    - match: \{
      scope: punctuation.section.mapping.begin.elixir
      set:
        - include: map_closing_pop
        - include: parameters_or_if_closing_pop
    - include: if_closing_token_pop
    - include: if_non_space_or_eol_pop

  binary_string_param:
    - include: stray_binary_end
    - match: <<(?![<~])
      scope: string.other.binary.elixir punctuation.definition.string.begin.elixir
      push:
        - meta_scope: meta.string.binary.elixir
        - include: binary_string_body_pop
        - include: parameters_or_if_closing_pop

  ## Types

  spec_definition_pop:
    - match: (?=\()
      set: [type_definition_next_pop, type_arguments_or_pop]
    - include: type_definition_next_pop

  spec_op_definition_pop:
    # E.g.: @spec integer &&& integer :: integer
    - meta_scope: meta.type.elixir
    - match: (?x)((?!::|\.(?!\.)){{operator}} | (?>and|in|or|not){{no_id_key_suffix}})
      scope: variable.other.spec.elixir
      set: spec_op_definition_next_pop
    - include: if_types_end_pop
    - include: spec_op_definition_next_pop

  spec_op_definition_next_pop:
    - meta_scope: meta.type.elixir
    - include: return_types_pop
    - match: (?=[,;])
      pop: 1
    - include: types_or_if_closing_pop
    - include: if_non_space_pop

  type_definition_pop:
    - meta_scope: meta.type.elixir
    - match: (?=\()
      set: [type_definition_next_pop, type_params_pop]
    - include: type_definition_next_pop

  type_params_pop:
    - match: \(
      scope: punctuation.definition.parameters.begin.elixir
      set:
        - meta_scope: meta.type.elixir meta.function.parameters.elixir
        - match: \)
          scope: punctuation.definition.parameters.end.elixir
          pop: 1
        - include: parameters_or_if_closing_pop

  type_definition_next_pop:
    - include: comments
    - include: return_types_pop
    - include: if_non_space_pop

  types:
    - match: (?=unquote(?:_splicing)?\()
      push: [type_arguments_or_pop, arguments_pop, unquote_pop]
    - include: block_or_keyword
    - include: special_form
    - match: |
        (?x)(
          (?> # Ordered by likeliness of occurrence.
            binary|term|atom|any|integer|boolean|map|list|module
          | (?>(?:non_)?neg_|pos_)?integer|no_return|pid|iodata
          | number|float|keyword|timeout|tuple|reference|charlist
          | fun(?:ction)?|char|struct|arity|port|identifier|none\b|mfa
          | node|byte|as_boolean|bitstring|iolist|maybe_improper_list
          | (?>
              nonempty_char
            | (?>(?:nonempty_)?maybe_|nonempty_)improper_|nonempty_
            )?list
          )
        ){{no_id_key_suffix}}
        | (?>(optional)|(required)|(record))(?={{no_suffix_then_arguments}})
        | ({{identifier}})
      captures:
        1: support.type.elixir
        2: keyword.other.optional.elixir
        3: keyword.other.required.elixir
        4: keyword.other.record.elixir
        5: storage.type.custom.elixir
      push: type_arguments_or_pop
    - include: list_type
    - include: tuple_type
    - include: module_name
    - include: dot_type
    - include: map_type
    - include: binary_string_type
    - include: paren_type
    - include: comments

  types_or_if_closing_pop:
    - include: types
    - include: if_closing_token_pop
    - include: core_syntax

  dot_type:
    - match: \.(?!\.)
      scope: punctuation.accessor.dot.elixir
      push:
        - include: unquote_call_pop
        - match: '{{identifier}}{{no_id_key_suffix}}'
          scope: storage.type.remote.elixir
          set: type_arguments_or_pop
        - include: if_non_space_or_eol_pop

  type_arguments_or_pop:
    - match: \(
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.type.elixir meta.function-call.arguments.elixir
        - include: arguments_closing_pop
        - include: arg_comma_and_skip_ws
        - include: named_type
        - include: types_or_if_closing_pop
    - include: if_empty_pop

  named_type:
    - include: block_or_keyword
    - match: '{{identifier}}(?=\s*::(?!:))'
      scope: variable.other.named-type.elixir

  return_types_pop:
    - match: ::(?!:)
      scope: meta.type.elixir keyword.operator.colon.elixir
      set: [first_and_next_types_pop, if_non_space_pop]

  if_types_end_pop:
    # Avoid matching e.g. "def func" while typing the return types.
    - match: (?=when{{no_id_key_suffix}}|@?{{identifier}}{{no_id_key_suffix}}\s{{has_arguments}})
      comment: no when clause directly after "::"
      pop: 1
    - include: if_closing_token_pop

  first_and_next_types_pop:
    - include: comments
    - include: if_types_end_pop
    - match: (?=\S)
      set:
        - meta_scope: meta.type.elixir
        # NB: we can't prevent matching more than one type expression.
        # Just move to next_types_pop after the first newline, `|`, `::` or `when`.
        - match: (?=$|\|(?![:|>])|::(?!:)|when{{no_id_key_suffix}})
          set: [next_types_pop, if_non_space_pop]
        - match: (?=[,;])
          pop: 1
        - include: named_type
        - include: types_or_if_closing_pop

  next_types_pop:
    - include: comments
    - match: when{{no_id_key_suffix}}
      scope: keyword.operator.when.elixir
      set: [when_types_clause_pop, invalid_comma_or_non_space_pop]
    - match: (\|(?![:|>]))|(::(?!:))
      captures:
        1: keyword.operator.union.elixir
        2: keyword.operator.colon.elixir
      push: [if_non_space_pop, union_types_eol_pop, if_non_space_pop]
    - include: if_ws_closing_token_or_eol_pop
    - include: if_non_space_or_eol_pop

  union_types_eol_pop:
    - meta_scope: meta.type.elixir
    - include: comments
    - match: |
        (?x)(?=
          [,;] | \|(?![:|>]) | ::(?!:) | when{{no_id_key_suffix}}
        | @?{{identifier}}{{no_id_key_suffix}}\s{{has_arguments}}
        )
      pop: 1
    - include: named_type
    - include: types_or_if_closing_pop
    - include: if_ws_closing_token_or_eol_pop
    - include: if_non_space_or_eol_pop

  when_types_clause_pop:
    - meta_scope: meta.type.elixir
    - include: comments
    - include: atom_keyword
    - match: (?<=[^:]:)
      comment: skips to keyword value
      push: [when_var_pop, invalid_comma_or_non_space_pop]
    - include: comma_and_skip_ws
    - include: if_ws_closing_token_or_eol_pop
    - include: if_non_space_or_eol_pop

  when_var_pop:
    - match: var{{no_id_key_suffix}}(?!{{has_arguments}})
      comment: "`var` is a particular support type. Elixir recognizes it only after a `when`."
      scope: support.type.elixir
    - include: first_and_next_types_pop

  paren_type:
    - match: \(
      scope: punctuation.section.group.begin.elixir
      push:
        - meta_scope: meta.parens.elixir
        - match: \)
          scope: punctuation.section.group.end.elixir
          pop: 1
        - include: named_type
        - include: types_or_if_closing_pop

  tuple_type:
    - match: \{
      scope: punctuation.section.sequence.begin.elixir
      push:
        - meta_scope: meta.braces.elixir
        - match: \}
          scope: punctuation.section.sequence.end.elixir
          pop: 1
        - include: named_type
        - include: types_or_if_closing_pop

  list_type:
    - match: \[
      scope: punctuation.section.brackets.begin.elixir
      push:
        - meta_scope: meta.brackets.elixir
        - match: \]
          scope: punctuation.section.brackets.end.elixir
          pop: 1
        - include: named_type
        - include: types_or_if_closing_pop

  map_type:
    - match: \%
      scope: punctuation.section.mapping.begin.elixir
      push:
        - meta_scope: meta.mapping.elixir
        - match: (?=unquote\()
          set: [map_type_body_pop, arguments_pop, unquote_pop]
        - include: alias_names
        - match: _(?>{{module_name}}|{{identifier}})?
          scope: variable.type.unused.elixir invalid.illegal.struct.elixir
          set: map_type_body_pop
        - include: map_type_body_pop

  map_type_body_pop:
    - match: \{
      scope: punctuation.section.mapping.begin.elixir
      set:
        - include: map_closing_pop
        - include: named_type
        - include: types_or_if_closing_pop
    - include: if_closing_token_pop
    - include: if_non_space_or_eol_pop

  binary_string_type:
    - include: stray_binary_end
    - match: <<(?![<~])
      scope: string.other.binary.elixir punctuation.definition.string.begin.elixir
      push:
        - meta_scope: meta.string.binary.elixir
        - include: binary_string_body_pop
        - include: named_type
        - include: types_or_if_closing_pop

  # Numeric

  numeric:
    - match: |
        (?x)(?>
          (0 (x) \h (?:_?\h)*)
        | (0 (b) [01] (?:_?[01])*)
        | (0 (o) [0-7] (?:_?[0-7])*)
        | (\d(?:_?\d)* (\.) \d(?:_?\d)* (?:[eE] [-+]? \d(?:_?\d)*)?)
        | (\d(?:_?\d)*)
        )([_\d]*)
      comment: (?:_?\d)* because double or trailing '_' are invalid
      captures:
        1: constant.numeric.hex.elixir
        2: punctuation.separator.numeric.elixir
        3: constant.numeric.binary.elixir
        4: punctuation.separator.numeric.elixir
        5: constant.numeric.octal.elixir
        6: punctuation.separator.numeric.elixir
        7: constant.numeric.float.elixir
        8: punctuation.separator.decimal.elixir
        9: constant.numeric.integer.elixir
        10: invalid.illegal.numeric.elixir

  ## Strings

  binary_string:
    - include: stray_binary_end
    - match: <<(?![<~])
      scope: string.other.binary.elixir punctuation.definition.string.begin.elixir
      push:
        - meta_scope: meta.string.binary.elixir
        - include: binary_string_body_pop
        - include: core_syntax_or_if_closing_pop

  stray_binary_end:
    - match: '>>(?!>)'
      scope: punctuation.definition.string.end.elixir invalid.illegal.stray-closing-binary.elixir

  binary_string_body_pop:
    - match: '>>(?!>)'
      scope: string.other.binary.elixir punctuation.definition.string.end.elixir
      pop: 1
    - match: ::(?!:)
      scope: keyword.operator.colon.elixir
      push:
        - meta_scope: meta.type.binary.elixir
        - include: bitstring_type
        - include: if_non_space_pop

  bitstring_type:
    - include: atom_symbol
    - include: block_or_keyword
    - include: unquote_call
    - match: -(?![->])|\*|(?>\d(?:_?\d)*)
      scope: storage.type.binary.elixir
    - match: '{{identifier}}'
      scope: storage.type.binary.elixir
      push: arguments_or_pop
    - include: paren_binary

  paren_binary:
    - match: \(
      scope: punctuation.section.group.begin.elixir
      push:
        - meta_scope: meta.parens.elixir
        - match: \)
          scope: punctuation.section.group.end.elixir
          pop: 1
        - include: bitstring_type
        - include: core_syntax_or_if_closing_pop

  escaped_char:
    # Avoid possibly matching closing string delimiter: [^'"/\\)\]}>#]
    - match: (?x) \\x (?> \h{2} | (?>\h|([^'"/\\)\]}>#])){1,2} | )
      scope: constant.character.escape.hex.elixir
      captures:
        1: invalid.illegal.escape.hex.elixir
    - match: (?x) \\u (?> (?>\h{4}|{\h{1,6}}) | ({}|{?[^'"/\\)\]}>#]{1,6}}?))
      scope: constant.character.escape.unicode.elixir
      captures:
        1: invalid.illegal.escape.unicode.elixir
    - match: \\.
      scope: constant.character.escape.char.elixir

  interpolated_elixir:
    - match: (?=#{)
      push:
        - clear_scopes: true
        - match: '#{'
          scope: punctuation.section.interpolation.begin.elixir
          set:
            - clear_scopes: true
            - meta_content_scope: source.elixir.embedded
            - meta_scope: source.elixir meta.string.elixir meta.interpolation.elixir
            - match: \}
              scope: punctuation.section.interpolation.end.elixir
              pop: 1
            - include: core_syntax

  escaped_or_interpolated:
    - include: line_continuation
    - include: escaped_char
    - include: interpolated_elixir

  pcre_erlang:
    - include: scope:source.pcree

  elixir_in_regex:
    - include: line_continuation
    - include: interpolated_elixir

  simple_string:
    - match: \'
      comment: single quoted string (allows for interpolation)
      scope: punctuation.definition.string.begin.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.single.elixir
        - match: \'
          scope: punctuation.definition.string.end.elixir
          pop: 1
        - include: escaped_or_interpolated

    - match: \"
      comment: double quoted string (allows for interpolation)
      scope: punctuation.definition.string.begin.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.double.elixir
        - match: \"
          scope: punctuation.definition.string.end.elixir
          pop: 1
        - include: escaped_or_interpolated

  heredoc_regex_interpolated:
    - match: (""")(.*)\n
      captures:
        1: punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.triple.double.elixir
        - include: heredoc_string_closing_double_pop
        - match: ''
          push: pcre_erlang
          with_prototype:
            - include: elixir_in_regex
            - match: (?=(?>\\.|[^"])*?""")
              pop: 1

    - match: (''')(.*)\n
      captures:
        1: punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.triple.single.elixir
        - include: heredoc_string_closing_single_pop
        - match: ''
          push: pcre_erlang
          with_prototype:
            - include: elixir_in_regex
            - match: (?=^(?>\\.|[^'])*?''')
              pop: 1

  heredoc_regex_raw:
    - match: (""")(.*)\n
      comment: Triple-quoted heredocs
      captures:
        1: punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.triple.double.elixir
        - include: heredoc_string_closing_double_pop
        - match: ''
          push: pcre_erlang
          with_prototype:
            - match: (?=(?>\\.|[^"])*?""")
              pop: 1

    - match: (''')(.*)\n
      comment: Triple-quoted heredocs
      captures:
        1: punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.triple.single.elixir
        - include: heredoc_string_closing_single_pop
        - match: ''
          push: pcre_erlang
          with_prototype:
            - match: (?=^(?>\\.|[^'])*?''')
              pop: 1

  heredoc_string_interpolated:
    - match: (""")(.*)\n
      comment: Triple-quoted heredocs
      captures:
        1: punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.triple.double.elixir
        - include: escaped_or_interpolated
        - include: heredoc_string_closing_double_pop

    - match: (''')(.*)\n
      comment: Triple-quoted heredocs
      captures:
        1: punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.triple.single.elixir
        - include: escaped_or_interpolated
        - include: heredoc_string_closing_single_pop

  heredoc_string_raw:
    - match: (""")(.*)\n
      comment: Triple-quoted heredocs
      captures:
        1: punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.triple.double.elixir
        - match: \\"
          scope: constant.character.escape.char.elixir
        - include: heredoc_string_closing_double_pop

    - match: (''')(.*)\n
      comment: Triple-quoted heredocs
      captures:
        1: punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
      push:
        - meta_scope: meta.string.elixir string.quoted.triple.single.elixir
        - match: \\'
          scope: constant.character.escape.char.elixir
        - include: heredoc_string_closing_single_pop

  heredoc_string_closing_double_pop:
    - match: \s*((?>\\.|[^"])*?)\s*(""")
      captures:
        1: invalid.illegal.closing-heredoc.elixir
        2: punctuation.definition.string.end.elixir
      pop: 1

  heredoc_string_closing_double_w_meta_pop:
    - meta_scope: meta.string.elixir
    - include: heredoc_string_closing_double_pop

  heredoc_string_closing_single_pop:
    - match: \s*((?>\\.|[^'])*?)\s*(''')
      captures:
        1: invalid.illegal.closing-heredoc.elixir
        2: punctuation.definition.string.end.elixir
      pop: 1

  string:
    - include: heredoc_string_interpolated
    - include: simple_string
    - include: binary_string

    - match: (?x) (~[a-zA-Z])\n | ~[a-zA-Z]([^{\[<(/|"'])
      comment: catch invalid sigils first
      scope: meta.string.elixir storage.type.string.elixir
      captures:
        1: invalid.illegal.sigil-string.elixir
        2: invalid.illegal.string-delimiter.elixir

    # Look for 'a' behind the closing delimiter.
    # Bracket delimiters are not matched yet: <>, {}, [] and ()
    - match: (?=~w([/|"'])(?>\\.|(?!\1).)*\1a)
      comment: highlight words as atoms
      push:
        - match: (~w)(.)
          captures:
            1: storage.type.string.elixir
            2: string.quoted.other.atom.elixir punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir
            - meta_content_scope: string.quoted.other.atom.elixir constant.other.symbol.atom.elixir
            - match: \s+
              push:
                - clear_scopes: 1
                - include: if_empty_pop
            - include: escaped_or_interpolated
            - match: (\2)(a)
              captures:
                1: string.quoted.other.atom.elixir punctuation.definition.string.end.elixir
                2: string.quoted.modifiers.elixir storage.type.string.elixir
              pop: 1

    - match: ~L(?=["'])(?!''')
      comment: LiveView
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (""")(.*)\n
          captures:
            1: punctuation.definition.string.begin.elixir
            2: invalid.illegal.opening-heredoc.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: (?=""")
              set: [string_modifiers_and_pop, heredoc_string_closing_double_w_meta_pop]
            - match: \\"
              scope: constant.character.escape.char.elixir
            - include: scope:text.html.eex
              apply_prototype: true
        - match: \"
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: \\"
              scope: constant.character.escape.char.elixir
            - include: string_closing_dquote
            - include: scope:text.html.eex
              apply_prototype: true
        - match: \'
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: \\'
              scope: constant.character.escape.char.elixir
            - include: string_closing_squote
            - include: scope:text.html.eex
              apply_prototype: true

    - match: ~H(?=["'])(?!''')
      comment: LiveView HEEx template
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (""")(.*)\n
          captures:
            1: punctuation.definition.string.begin.elixir
            2: invalid.illegal.opening-heredoc.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: (?=""")
              set: [string_modifiers_and_pop, heredoc_string_closing_double_w_meta_pop]
            - match: \\"
              scope: constant.character.escape.char.elixir
            - include: scope:text.html.heex
              apply_prototype: true
        - match: \"
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: \\"
              scope: constant.character.escape.char.elixir
            - include: string_closing_dquote
            - include: scope:text.html.heex
              apply_prototype: true
        - match: \'
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: \\'
              scope: constant.character.escape.char.elixir
            - include: string_closing_squote
            - include: scope:text.html.heex
              apply_prototype: true

    - match: ~F(?=["'])(?!''')
      comment: Surface template
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (""")(.*)\n
          captures:
            1: punctuation.definition.string.begin.elixir
            2: invalid.illegal.opening-heredoc.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: (?=""")
              set: [string_modifiers_and_pop, heredoc_string_closing_double_w_meta_pop]
            - match: \\"
              scope: constant.character.escape.char.elixir
            - include: scope:text.html.surface
              apply_prototype: true
        - match: \"
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: \\"
              scope: constant.character.escape.char.elixir
            - include: string_closing_dquote
            - include: scope:text.html.surface
              apply_prototype: true
        - match: \'
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: \\'
              scope: constant.character.escape.char.elixir
            - include: string_closing_squote
            - include: scope:text.html.surface
              apply_prototype: true

    - match: ~y(?=""")
      comment: YAML with interpolation
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (""")(.*)\n
          captures:
            1: punctuation.definition.string.begin.elixir
            2: invalid.illegal.opening-heredoc.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: (?=""")
              set: [string_modifiers_and_pop, heredoc_string_closing_double_w_meta_pop]
            - match: ''
              push: scope:source.yaml
              with_prototype:
                - include: escaped_or_interpolated
                - match: (?=""")
                  pop: 1

    - match: ~Y(?=""")
      comment: YAML raw
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (""")(.*)\n
          captures:
            1: punctuation.definition.string.begin.elixir
            2: invalid.illegal.opening-heredoc.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: (?=""")
              set: [string_modifiers_and_pop, heredoc_string_closing_double_w_meta_pop]
            - match: ''
              push: scope:source.yaml
              with_prototype:
                - match: \\"
                  scope: constant.character.escape.char.elixir
                - match: (?=""")
                  pop: 1

    - match: ~j(?=")
      comment: JSON with interpolation
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (""")(.*)\n
          captures:
            1: punctuation.definition.string.begin.elixir
            2: invalid.illegal.opening-heredoc.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: (?=""")
              set: [string_modifiers_and_pop, heredoc_string_closing_double_w_meta_pop]
            - match: ''
              push: scope:source.json
              with_prototype:
                - include: escaped_or_interpolated
                - match: (?=""")
                  pop: 1
        - match: \"
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir
            - include: string_closing_dquote
            - match: ''
              push: scope:source.json
              with_prototype:
                - include: escaped_or_interpolated
                - match: (?=")
                  pop: 1

    - match: ~J(?=")
      comment: JSON raw
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (""")(.*)\n
          captures:
            1: punctuation.definition.string.begin.elixir
            2: invalid.illegal.opening-heredoc.elixir
          set:
            - meta_scope: meta.string.elixir
            - match: (?=""")
              set: [string_modifiers_and_pop, heredoc_string_closing_double_w_meta_pop]
            - match: ''
              push: scope:source.json
              with_prototype:
                - match: \\"
                  scope: constant.character.escape.char.elixir
                - match: (?=""")
                  pop: 1
        - match: \"
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir
            - include: string_closing_dquote
            - match: ''
              push: scope:source.json
              with_prototype:
                - match: \\"
                  scope: constant.character.escape.char.elixir
                - match: (?=")
                  pop: 1

    - match: ~r
      comment: regex sigil string with interpolation
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (?="""|''')
          set:
            - match: (?<="""|''')
              set: string_modifiers_and_pop
            - include: heredoc_regex_interpolated
        - match: \"
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_dquote
            - match: ''
              push: pcre_erlang
              with_prototype:
                - include: elixir_in_regex
                - match: (?=")
                  pop: 1
        - match: \'
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_squote
            - match: ''
              push: pcre_erlang
              with_prototype:
                - include: elixir_in_regex
                - match: (?=')
                  pop: 1
        - match: /
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_slash
            - match: ''
              push: pcre_erlang
              with_prototype:
                - include: elixir_in_regex
                - match: (?=/)
                  pop: 1
        - match: \|
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_pipe
            - match: ''
              push: pcre_erlang
              with_prototype:
                - include: elixir_in_regex
                - match: (?=\|)
                  pop: 1
        - match: \{
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_curly
            - match: ''
              push: pcre_erlang
              with_prototype:
                - include: elixir_in_regex
                - match: (?=})
                  pop: 1
        - match: \[
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_square
            - match: ''
              push: pcre_erlang
              with_prototype:
                - include: elixir_in_regex
                - match: (?=])
                  pop: 1
        - match: \<
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_angle
            - match: ''
              push: pcre_erlang
              with_prototype:
                - include: elixir_in_regex
                - match: (?=>)
                  pop: 1
        - match: \(
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_round
            - match: ''
              push: pcre_erlang
              with_prototype:
                - include: elixir_in_regex
                - include: if_closing_paren_pop

    - match: ~R
      comment: regex sigil string without interpolation
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (?="""|''')
          set:
            - match: (?<="""|''')
              set: string_modifiers_and_pop
            - include: heredoc_regex_raw
        # NB: not used as it doesn't correctly match the closing / inside the char set: ~R/[/]/
        # - match: (?=[/|"'])
        #   set:
        #     - match: (?<=[/|"'])
        #       set: string_modifiers_and_pop
        #     - match: ([/|"'])
        #       scope: punctuation.definition.string.begin.elixir
        #       push: pcre_erlang
        #       with_prototype:
        #         - match: \1
        #           scope: punctuation.definition.string.end.elixir
        #           pop: 1
        - match: \"
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.regex.elixir
            - include: string_closing_dquote
            - match: ''
              push: pcre_erlang
              with_prototype:
                - match: \\"
                  scope: constant.character.escape.pcree
                - match: (?=")
                  pop: 1
        - match: \'
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.regex.elixir
            - include: string_closing_squote
            - match: ''
              push: pcre_erlang
              with_prototype:
                - match: \\'
                  scope: constant.character.escape.pcree
                - match: (?=')
                  pop: 1
        - match: /
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.regex.elixir
            - include: string_closing_slash
            - match: ''
              push: pcre_erlang
              with_prototype:
                - match: \\/
                  scope: constant.character.escape.pcree
                - match: (?=/)
                  pop: 1
        - match: \|
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.regex.elixir
            - include: string_closing_pipe
            - match: ''
              push: pcre_erlang
              with_prototype:
                - match: \\\|
                  scope: constant.character.escape.pcree
                - match: (?=\|)
                  pop: 1
        - match: \{
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.regex.elixir
            - include: string_closing_curly
            - match: ''
              push: pcre_erlang
              with_prototype:
                - match: \\}
                  scope: constant.character.escape.pcree
                - match: (?=})
                  pop: 1
        - match: \[
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.regex.elixir
            - include: string_closing_square
            - match: ''
              push: pcre_erlang
              with_prototype:
                - match: \\]
                  scope: constant.character.escape.pcree
                - match: (?=])
                  pop: 1
        - match: \<
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.regex.elixir
            - include: string_closing_angle
            - match: ''
              push: pcre_erlang
              with_prototype:
                - match: \\>
                  scope: constant.character.escape.pcree
                - match: (?=>)
                  pop: 1
        - match: \(
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.regex.elixir
            - include: string_closing_round
            - match: ''
              push: pcre_erlang
              with_prototype:
                - match: \\\)
                  scope: constant.character.escape.pcree
                - include: if_closing_paren_pop

    - match: ~[a-z]
      comment: with sigil and with interpolation
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (?="""|''')
          set:
            - match: (?<="""|''')
              set: string_modifiers_and_pop
            - include: heredoc_string_interpolated
        - match: (?=[/|"'])
          set:
            - meta_scope: meta.string.elixir
            # (?<=[a-z]) avoids matching again after the closing delimiter. E.g.: ~s||//
            - match: (?<=[a-z])([/|"'])
              captures:
                1: string.quoted.other.literal.lower.elixir punctuation.definition.string.begin.elixir
              push:
                - meta_content_scope: string.quoted.other.literal.lower.elixir
                - match: \1
                  scope: string.quoted.other.literal.lower.elixir punctuation.definition.string.end.elixir
                  pop: 1
                - include: escaped_or_interpolated
            - match: ''
              set: string_modifiers_and_pop
        - match: \{
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_curly
            - include: escaped_or_interpolated
        - match: \[
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_square
            - include: escaped_or_interpolated
        - match: \<
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_angle
            - include: escaped_or_interpolated
        - match: \(
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.interpolated.elixir
            - include: string_closing_round
            - include: escaped_or_interpolated

    - match: ~[A-Z]
      comment: with sigil and without interpolation
      scope: meta.string.elixir storage.type.string.elixir
      push:
        - match: (?="""|''')
          set:
            - match: (?<="""|''')
              set: string_modifiers_and_pop
            - include: heredoc_string_raw
        - match: (?=[/|"'])
          set:
            - meta_scope: meta.string.elixir
            # (?<=[A-Z]) avoids matching again after the closing delimiter. E.g.: ~S||//
            - match: (?<=[A-Z])([/|"'])
              captures:
                1: string.quoted.other.literal.upper.elixir punctuation.definition.string.begin.elixir
              push:
                - meta_content_scope: string.quoted.other.literal.upper.elixir
                - match: \\.
                - match: \1
                  scope: string.quoted.other.literal.upper.elixir punctuation.definition.string.end.elixir
                  pop: 1
            - match: ''
              set: string_modifiers_and_pop
        - match: \{
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.upper.elixir
            - include: string_closing_curly
        - match: \[
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.upper.elixir
            - include: string_closing_square
        - match: \<
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.upper.elixir
            - include: string_closing_angle
        - match: \(
          scope: punctuation.definition.string.begin.elixir
          set:
            - meta_scope: meta.string.elixir string.quoted.other.literal.upper.elixir
            - include: string_closing_round

  string_closing_dquote:
    - match: \"
      scope: punctuation.definition.string.end.elixir
      set: string_modifiers_and_pop

  string_closing_squote:
    - match: \'
      scope: punctuation.definition.string.end.elixir
      set: string_modifiers_and_pop

  string_closing_pipe:
    - match: \|
      scope: punctuation.definition.string.end.elixir
      set: string_modifiers_and_pop

  string_closing_slash:
    - match: \/
      scope: punctuation.definition.string.end.elixir
      set: string_modifiers_and_pop

  string_closing_curly:
    - match: \\\}
      scope: constant.character.escape.char.elixir
    - match: \}
      scope: punctuation.definition.string.end.elixir
      set: string_modifiers_and_pop

  string_closing_square:
    - match: \\\]
      scope: constant.character.escape.char.elixir
    - match: \]
      scope: punctuation.definition.string.end.elixir
      set: string_modifiers_and_pop

  string_closing_angle:
    - match: \\\>
      scope: constant.character.escape.char.elixir
    - match: \>
      scope: punctuation.definition.string.end.elixir
      set: string_modifiers_and_pop

  string_closing_round:
    - match: \\\)
      scope: constant.character.escape.char.elixir
    - match: \)
      scope: punctuation.definition.string.end.elixir
      set: string_modifiers_and_pop

  string_modifiers:
    - match: '[a-zA-Z]+'
      scope: meta.string.elixir string.quoted.modifiers.elixir storage.type.string.elixir
    - match: \w+
      scope: invalid.illegal.non-ascii-modifier.elixir

  string_modifiers_and_pop:
    - include: string_modifiers
    - include: if_empty_pop

  ## Declarations

  def_blocks:
    - match: |
        (?x)
        (?>(def(?>macro|guard|n)?p) | (def(?>macro|delegate|guard|n)?))
        {{no_suffix_then_arguments}}
      captures:
        1: keyword.declaration.function.private.elixir
        2: keyword.declaration.function.public.elixir
      push: function_header_pop
    - match: defmodule{{no_suffix_then_arguments}}
      scope: keyword.declaration.module.elixir
      push:
        - meta_scope: meta.namespace.module.elixir
        - include: defmodule_body_pop
    - match: defimpl{{no_suffix_then_arguments}}
      scope: keyword.declaration.implementation.elixir
      push:
        - meta_scope: meta.namespace.implementation.elixir
        - include: arguments_paren_or_ws_pop
    - match: defprotocol{{no_suffix_then_arguments}}
      scope: keyword.declaration.protocol.elixir
      push:
        - meta_scope: meta.namespace.protocol.elixir
        - include: defmodule_body_pop

  defmodule_body_pop:
    - match: \(
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: arguments_closing_pop
        - include: defmodule_arguments
    - match: \s?
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: arguments_ws_closing_pop
        - include: defmodule_arguments

  defmodule_arguments:
    - match: (?={{atom_symbol}}:(?!:))|(?<=[^:]:)
      push: arguments_ws_rest_pop
    - include: block_or_keyword
    - match: |
        (?x)(?=
          (?:(?<=%>)\.)? (?>{{module_name}}{{no_key_suffix}} | __MODULE__{{no_id_key_suffix}})
        | :(?>{{atom_symbol}}|['"])
        )
      push:
        - meta_scope: meta.namespace.elixir
        - match: '{{module_name}}{{no_key_suffix}}(?!\s*\.(?!\.))'
          scope: entity.name.namespace.elixir
        - include: atom_namespace_entity
        - include: special_form
        - include: module_name
        - include: atom_symbol
        - include: unquote_call
        - include: dot_operator
        - include: if_non_space_or_eol_pop
    - include: arg_comma_and_skip_ws
    - include: core_syntax_or_if_closing_pop

  defrecord:
    - match: (?:(Record)\s*(\.)\s*)?(defrecordp?){{no_suffix_then_arguments}}
      captures:
        1: constant.other.module.elixir
        2: punctuation.accessor.dot.elixir
        3: keyword.declaration.elixir
      push: defrecord_pop

  defrecord_pop:
    - match: \(
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: arguments_closing_pop
        - include: defrecord_arguments
    - match: \s?
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: arguments_ws_closing_pop
        - include: defrecord_arguments

  defrecord_arguments:
    - include: atom_function_entity
    - match: (?=,)
      push: arguments_ws_rest_pop
    - include: arg_comma_and_skip_ws
    - include: core_syntax_or_if_closing_pop

  atom_function_entity:
    - match: (:)({{atom_symbol}})(?!\s*\.(?!\.))
      scope: constant.other.symbol.elixir
      captures:
        1: punctuation.definition.constant.begin.elixir
        2: entity.name.function.elixir

  atom_namespace_entity:
    - match: (:)({{atom_symbol}})(?!\s*\.(?!\.))
      scope: constant.other.symbol.elixir
      captures:
        1: punctuation.definition.constant.begin.elixir
        2: entity.name.namespace.elixir

  block_or_keyword:
    - include: atom_keyword
    - include: fn_block
    - include: do_block
    - include: elixir_keywords

  do_block_pop:
    - match: do{{no_id_key_suffix}}
      scope: punctuation.section.block.begin.elixir keyword.context.block.do.elixir
      set:
        - meta_scope: meta.block.elixir
        - match: else{{no_id_key_suffix}}
          comment: the else-block contains arrow clauses only in error handling
          scope: keyword.control.conditional.else.elixir
        - match: (?=%>)
          pop: 1
        - include: error_handling_clauses
        - include: core_syntax_or_block_end_pop

  func_do_block_pop:
    - match: do{{no_id_key_suffix}}
      scope: punctuation.section.block.begin.elixir keyword.context.block.do.elixir
      set:
        - meta_scope: meta.block.elixir
        - include: error_handling_clauses
        - include: core_syntax_or_block_end_pop

  error_handling_clauses:
    - match: else{{no_id_key_suffix}}
      scope: keyword.control.exception.else.elixir
      push: arrow_clauses_body_pop
    - match: after{{no_id_key_suffix}}
      scope: keyword.control.exception.after.elixir
      push: core_syntax_or_if_closing_pop
    - match: rescue{{no_id_key_suffix}}
      scope: keyword.control.exception.rescue.elixir
      push: arrow_clauses_body_pop
    - match: catch{{no_id_key_suffix}}
      scope: keyword.control.exception.catch.elixir
      push: arrow_clauses_body_pop

  do_block:
    # NB: Commented out due to EEx templates: <%= if x do %>...<% end %>
    # - match: end{{no_id_key_suffix}}
    #   scope: invalid.illegal.block-end.elixir
    - match: (?=do{{no_id_key_suffix}})
      push: do_block_pop

  block_end_pop:
    - match: end{{no_id_key_suffix}}
      scope: punctuation.section.block.end.elixir keyword.context.block.end.elixir
      pop: 1

  last_arg_block_end_pop:
    - match: end{{no_id_key_suffix}}
      scope: punctuation.section.block.end.elixir keyword.context.block.end.elixir
      set:
        - match: \s|\n|
          scope: punctuation.section.arguments.end.elixir
          pop: 1

  core_syntax_or_block_end_pop:
    - include: block_end_pop
    - include: core_syntax

  core_syntax_or_if_closing_pop:
    - include: if_closing_token_pop
    - include: core_syntax

  ## Identifiers

  module_name:
    - match: '{{module_name}}{{no_key_suffix}}'
      scope: constant.other.module.elixir
    - match: (?x)(:(["'])) ((?>\\\\|\\\2|(?!\2).)*?) (\2) (?=\s*\.(?!\.))
      captures:
        1: punctuation.definition.constant.begin.elixir
        3: constant.other.module.elixir
        4: punctuation.definition.constant.end.elixir
    - match: (:)({{atom_symbol}})(?=\s*\.(?!\.))
      captures:
        1: punctuation.definition.constant.begin.elixir
        2: constant.other.module.elixir
  module_name_pop:
    - match: '{{module_name}}{{no_key_suffix}}'
      scope: constant.other.module.elixir
      pop: 1

  module_function_call_pop:
    - match: ({{module_name}})\s*(\.(?!\.))
      comment: always a function call after a module
      captures:
        1: constant.other.module.elixir
        2: punctuation.accessor.dot.elixir
      set: member_call_pop

  member_call_pop:
    # - include: sql_or_fragment
    - include: quoted_remote_call_pop
    - include: quoted_member_pop
    - include: unquote_call_pop
    - match: '{{member}}'
      scope: variable.function.elixir
      set: arguments_or_pop
    - include: tuple_call_pop
    - include: if_non_space_or_eol_pop

  id_or_operator_call_pop:
    - match: ({{member}})(?=\s*\.\s*\(|{{has_arguments}})
      scope: variable.function.elixir
      set: arguments_paren_or_ws_pop

  quoted_remote_call_pop:
    - match: \"(?=(?>\\[\\"]|.)*?"{{has_arguments}})
      scope: punctuation.definition.constant.begin.elixir
      set:
        - meta_scope: meta.function-call.elixir
        - match: \"
          scope: punctuation.definition.constant.end.elixir
          set: arguments_or_pop
        - match: (\\[\\"])|[^"]
          scope: variable.function.elixir
          captures:
            1: constant.character.escape.char.elixir
    - match: \'(?=(?>\\[\\']|.)*?'{{has_arguments}})
      scope: punctuation.definition.constant.begin.elixir
      set:
        - meta_scope: meta.function-call.elixir
        - match: \'
          scope: punctuation.definition.constant.end.elixir
          set: arguments_or_pop
        - match: (\\[\\'])|[^']
          scope: variable.function.elixir
          captures:
            1: constant.character.escape.char.elixir

  quoted_member_pop:
    - match: \"
      scope: punctuation.definition.constant.begin.elixir
      set:
        - meta_scope: meta.member.elixir
        - match: \"
          scope: punctuation.definition.constant.end.elixir
          pop: 1
        - match: (\\[\\"])|[^"]
          scope: variable.other.member.elixir
          captures:
            1: constant.character.escape.char.elixir
    - match: \'
      scope: punctuation.definition.constant.begin.elixir
      set:
        - meta_scope: meta.member.elixir
        - match: \'
          scope: punctuation.definition.constant.end.elixir
          pop: 1
        - match: (\\[\\'])|[^']
          scope: variable.other.member.elixir
          captures:
            1: constant.character.escape.char.elixir

  modules_or_ids_or_calls:
    - match: (?x)(:(["'])) ((?>\\\\|\\\2|(?!\2).)*?) (\2) (?=\s*\.(?!\.))
      captures:
        1: punctuation.definition.constant.begin.elixir
        3: constant.other.module.elixir
        4: punctuation.definition.constant.end.elixir
      push: member_call_pop
    - match: (:)({{atom_symbol}})\s*(\.(?!\.))
      captures:
        1: punctuation.definition.constant.begin.elixir
        2: constant.other.module.elixir
        3: punctuation.accessor.dot.elixir
      push: member_call_pop
    - match: (?={{module_name}}|{{identifier}})
      push:
        - include: module_function_call_pop
        - include: id_or_operator_call_pop
        - include: module_name_pop
        - include: identifier_pop

  identifier_pop:
    - match: ((?=_)(?<!%>){{identifier}})|({{identifier}})
      captures:
        1: variable.other.unused.elixir
        2: variable.other.elixir
      pop: 1

  id_member_pop:
    - match: '{{member}}'
      scope: variable.other.member.elixir
      pop: 1

  tuple_call_pop:
    - match: \{
      scope: punctuation.section.braces.begin.elixir
      set:
        - match: \}
          scope: punctuation.section.braces.end.elixir
          pop: 1
        - include: core_syntax_or_if_closing_pop

  dot_accessor:
    - match: \.(?!\.)
      scope: punctuation.accessor.dot.elixir
      push:
        - include: atom_keyword
        - include: module_function_call_pop
        - include: unquote_call_pop
        - include: id_or_operator_call_pop
        - include: id_member_pop
        - include: module_name_pop
        - include: arguments_pop
        - include: quoted_remote_call_pop
        - include: quoted_member_pop
        - include: tuple_call_pop
        - include: if_non_space_or_eol_pop

  ## Module attributes

  module_attribute:
    - match: '@'
      scope: keyword.operator.attribute.elixir
      push: module_attribute_pop

  module_attribute_pop:
    - match: (?!{{identifier}}(?!{{atom_id_suffix}}:(?!:)))
      set:
        - match: '[A-Z]'
          scope: invalid.illegal.attribute.elixir
        - include: if_empty_pop

    # Special attributes:
    - match: (?>(?>module|type|short)?doc){{no_suffix_then_arguments}}
      scope: support.attr.doc.elixir
      set:
        - match: \(
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.doc.elixir
            - include: arguments_closing_pop
            - match: ''
              push:
                - include: if_closing_token_pop
                - include: arg_comma_and_skip_ws
                - include: markdown_comment
                - include: core_syntax
        - match: \s?
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.doc.elixir
            - include: arguments_ws_closing_pop
            - include: arg_comma_and_skip_ws
            - include: markdown_comment
            - include: core_syntax

    - match: (?>spec|(?:macro)?callback)(?={{no_suffix_then_arguments}}|\s*{{operator}})
      scope: keyword.declaration.type.elixir
      set:
        - meta_scope: meta.type.elixir
        - match: \(
          scope: punctuation.section.arguments.begin.elixir
          set:
            - include: arguments_closing_pop
            - match: ''
              push:
                - match: (?=not{{no_id_key_suffix}})
                  set: spec_header_pop
                - include: block_or_keyword
                - include: spec_header_pop
        - match: \s?
          scope: punctuation.section.arguments.begin.elixir
          set:
            - match: (?=not{{no_id_key_suffix}})
              set: spec_header_pop
            - include: block_or_keyword
            - include: spec_header_pop
            - include: if_non_space_pop

    - match: (?>typep?|opaque){{no_suffix_then_arguments}}
      scope: keyword.declaration.type.elixir
      set:
        - meta_scope: meta.type.elixir
        - match: \(
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.type.elixir meta.function-call.arguments.elixir
            - include: block_or_keyword
            - match: (?=unquote\()
              push: [type_definition_pop, arguments_pop, unquote_pop]
            - match: '{{identifier}}'
              scope: entity.name.type.elixir
              push: type_definition_pop
            - include: arguments_rest_pop
        - match: \s?
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.type.elixir meta.function-call.arguments.elixir
            - include: block_or_keyword
            - match: (?=unquote\()
              set: [type_definition_pop, arguments_pop, unquote_pop]
            - match: '{{identifier}}'
              scope: entity.name.type.elixir
              set: type_definition_pop
            - include: if_non_space_pop

    - match: |
        (?x)(?>
          impl | deprecated | (?>before_|after_)?compile | behaviour | enforce_keys
        | fallback_to_any | optional_callbacks | file | dialyzer | derive
        | external_resource | vsn | on_(?>definition|load)
        ){{no_suffix_then_arguments}}
      scope: support.attr.elixir
      set: arguments_paren_or_ws_pop

    - include: block_or_keyword

    # Regular attributes:
    - match: '{{identifier}}{{has_arguments}}'
      comment: definition
      scope: entity.name.constant.elixir
      set: arguments_paren_or_ws_pop

    - match: '{{identifier}}'
      comment: reference
      scope: variable.other.constant.elixir
      pop: 1

  spec_after_unquote_pop:
    - match: (?=(?!::){{operator}})
      set: spec_op_definition_pop
    - match: ''
      set: spec_definition_pop

  spec_header_pop:
    - match: (?=unquote\()
      set: [spec_after_unquote_pop, if_non_space_or_eol_pop, arguments_pop, unquote_pop]
    - match: '{{identifier}}(?!\s*(?!::){{operator}})'
      scope: variable.other.spec.elixir
      set: spec_definition_pop
    - match: (?=\S)
      set: spec_op_definition_pop

  ## Documentation in Markdown

  markdown_comment:
    # NB: no need to support `~s"""` which is basically `"""`.
    - match: (""")(.*)(\n)
      captures:
        1: string.quoted.triple.double.elixir punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
        3: string.quoted.triple.double.elixir
      push:
        - meta_scope: meta.string.elixir
        - match: (?=^\s*""")
          set:
            - meta_scope: meta.string.elixir string.quoted.triple.double.elixir
            - include: heredoc_string_closing_double_pop
        - include: escaped_or_interpolated
        # - include: elixir_in_markdown
        - match: ''
          embed: scope:text.html.markdown
          embed_scope: source.markdown.embedded.elixir
          # escape: (?=^\s*"""|\\|#{|{{is_markdown_elixir}})
          escape: (?=^\s*"""|\\|#{)

    - match: \"
      scope: string.quoted.double.elixir punctuation.definition.string.begin.elixir
      push:
        - meta_scope: meta.string.elixir
        - match: \"
          scope: string.quoted.double.elixir punctuation.definition.string.end.elixir
          pop: 1
        - include: escaped_or_interpolated
        - match: ''
          embed: scope:text.html.markdown
          embed_scope: source.markdown.embedded.elixir
          escape: (?="|\\|#{)

    - match: (~S)(""")(.*)(\n)
      captures:
        1: storage.type.string.elixir
        2: string.quoted.triple.double.elixir punctuation.definition.string.begin.elixir
        3: invalid.illegal.opening-heredoc.elixir
        4: string.quoted.triple.double.elixir
      push:
        - meta_scope: meta.string.elixir
        - match: (?<=""")
          set: string_modifiers_and_pop
        - match: (?=^\s*""")
          push:
            - meta_scope: string.quoted.triple.double.elixir
            - include: heredoc_string_closing_double_pop
        # - include: elixir_in_markdown
        - match: ''
          embed: scope:text.html.markdown
          embed_scope: source.markdown.embedded.elixir
          # escape: (?=^\s*"""|{{is_markdown_elixir}})
          escape: (?=^\s*""")

    - match: (~S)(''')(.*)(\n)
      captures:
        1: storage.type.string.elixir
        2: string.quoted.triple.single.elixir punctuation.definition.string.begin.elixir
        3: invalid.illegal.opening-heredoc.elixir
        4: string.quoted.triple.single.elixir
      push:
        - meta_scope: meta.string.elixir
        - match: (?<=''')
          set: string_modifiers_and_pop
        - match: (?=^\s*''')
          push:
            - meta_scope: string.quoted.triple.single.elixir
            - include: heredoc_string_closing_single_pop
        # - include: elixir_in_markdown
        - match: ''
          embed: scope:text.html.markdown
          embed_scope: source.markdown.embedded.elixir
          # escape: (?=^\s*'''|{{is_markdown_elixir}})
          escape: (?=^\s*''')

  elixir_in_markdown:
    - match: (?<=\s{4})(iex)(?:\((.*?)\))?(>)
      captures:
        1: keyword.other.iex.elixir
        2: constant.other.elixir
        3: keyword.other.iex-angle.elixir punctuation.definition.iex.begin.elixir
      push:
        - clear_scopes: true
        - meta_scope: meta.interpolation.elixir markup.raw.block.markdown markup.raw.block.elixir
        - match: \n|$
          scope: punctuation.definition.iex.end.elixir
          pop: 1
        - include: core_syntax

    - match: (?={{is_markdown_elixir}})
      push:
        - clear_scopes: true
        - meta_scope: meta.interpolation.elixir markup.raw.block.markdown markup.raw.block.elixir
        - match: \n|$
          scope: punctuation.section.arguments.end.elixir
          pop: 1
        - include: core_syntax

  iex_dots:
    - match: ^(\s*)(\.{3})(?:\((.*?)\))?(>)
      comment: iex prompt continuation
      captures:
        1: meta.string.elixir
        2: keyword.other.iex-dots.elixir
        3: constant.other.elixir
        4: keyword.other.iex-angle.elixir punctuation.definition.iex.begin.elixir

  comma_and_skip_ws:
    - include: invalid_comma
    - match: \,
      scope: punctuation.separator.sequence.elixir
      push: invalid_comma_or_non_space_pop

  arg_comma_and_skip_ws:
    - match: \,
      scope: punctuation.separator.arguments.elixir
      push: invalid_comma_or_non_space_pop

  invalid_comma:
    - match: (?=,\s*(?>[,;)]|%>|->(?!:)|(?>do|when){{no_id_key_suffix}}|{{closing_keyword}}))
      push: invalid_comma_or_non_space_pop

  invalid_comma_or_non_space_pop:
    - include: comment
    - match: \,
      scope: invalid.illegal.separator.elixir
    - include: if_non_space_pop

  ## Operators

  operator:
    - match: |
        (?x)(?> # Ordered by likeliness of occurrence.
          (=(?![=>~]))
        | (->|<-)
        | (<?\|>|<~>|<?<~|~>>?) # Operators with pipe precedence.
        | ((?>[!=]=|[<>])(?![<>])=?)
        | (=>)
        | (<>)
        | (-(?!-)|\+(?!\+)|//?|\*\*?)
        | (\+\+(?!\+))
        | (\|(?!\|))
        | (::(?!:))
        | (\^(?!\^\^))
        | (\|\|(?!\|)|&&(?!&)|!)
        | (\.\.\.) # Can appear in @type declarations.
        | (\.\.)
        | (=~)
        | (\\\\)
        | (<<<|>>>|&&&|\|\|\||~~~|\^\^\^)
        | (---|\+\+\+)
        | (--(?!-))
        | (;)
        )
      captures:
        1: keyword.operator.match.elixir
        2: keyword.operator.arrow.elixir
        3: keyword.operator.pipe.elixir
        4: keyword.operator.comparison.elixir
        5: keyword.operator.map-pair.elixir
        6: keyword.operator.binary-concat.elixir
        7: keyword.operator.arithmetic.elixir
        8: keyword.operator.list-concat.elixir
        9: keyword.operator.union.elixir
        10: keyword.operator.colon.elixir
        11: keyword.operator.pin.elixir
        12: keyword.operator.logical.elixir
        13: keyword.operator.ellipsis.elixir
        14: keyword.operator.range.elixir
        15: keyword.operator.regex.elixir
        16: keyword.operator.default.elixir
        17: keyword.operator.bitwise.elixir
        18: keyword.operator.reserved.elixir
        19: keyword.operator.list-diff.elixir
        20: keyword.operator.semicolon.elixir

  # Separate to make @type matching possible.
  cons_operator:
    - match: \|(?![:|>])
      scope: keyword.operator.cons.elixir

  dot_operator:
    - match: \.(?!\.)
      scope: punctuation.accessor.dot.elixir

  ## Literals

  tuple:
    - match: \}
      scope: invalid.illegal.stray-closing-brace.elixir
    - match: \{
      scope: punctuation.section.sequence.begin.elixir
      push:
        - meta_scope: meta.sequence.tuple.elixir
        - match: \}
          scope: punctuation.section.sequence.end.elixir
          pop: 1
        - include: core_syntax_or_if_closing_pop

  item_access:
    - match: |
        (?x)
        (?<=["'\w\])}]|\w[?!]|%>)
        (?<!\bdo|\bwhen|\band|\bin|\belse|\bafter|\bor|\brescue|\bnot|\bcatch)
        \[
      scope: punctuation.section.access.begin.elixir
      push:
        - meta_scope: meta.access.elixir
        - match: \]
          scope: punctuation.section.access.end.elixir
          pop: 1
        - include: core_syntax_or_if_closing_pop

  list:
    - match: \]
      scope: invalid.illegal.stray-closing-bracket.elixir
    - match: \[
      scope: punctuation.section.brackets.begin.elixir
      push:
        - meta_scope: meta.brackets.elixir
        - match: \]
          scope: punctuation.section.brackets.end.elixir
          pop: 1
        - include: cons_operator
        - include: core_syntax_or_if_closing_pop

  map:
    - match: \%
      scope: punctuation.section.mapping.begin.elixir
      push:
        - meta_scope: meta.mapping.elixir
        - match: (?=unquote\()
          set: [map_body_pop, arguments_pop, unquote_pop]
        - include: alias_names
        - match: \^
          scope: keyword.operator.pin.elixir
        - match: ((?=_)(?<!%>){{identifier}})|({{identifier}})
          captures:
            1: variable.other.unused.elixir
            2: variable.other.elixir
          set: map_body_pop
        - include: map_body_pop

  map_body_pop:
    - match: \{
      scope: punctuation.section.mapping.begin.elixir
      set:
        - include: map_closing_pop
        - include: cons_operator
        - include: core_syntax_or_if_closing_pop
    - include: if_closing_token_pop
    - include: if_non_space_or_eol_pop

  paren:
    - match: (?<=%>)(?=\()
      push: arguments_pop
    - match: \)
      scope: invalid.illegal.stray-closing-parenthesis.elixir
    - match: \(
      scope: punctuation.section.group.begin.elixir
      push:
        - meta_scope: meta.parens.elixir
        - match: \)
          scope: punctuation.section.group.end.elixir
          pop: 1
        - include: core_syntax_or_if_closing_pop

  ## Alias/Require statement

  alias:
    - match: (?>alias|require){{no_suffix_then_arguments}}
      scope: keyword.control.import.elixir
      push:
        # alias(X, as: Y)
        - match: \(
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.function-call.arguments.elixir
            - include: arguments_closing_pop
            - include: alias_names
            - match: (?=,)
              set:
                - include: alias_as_arg
                - include: arguments_rest_pop
            - include: core_syntax
        # alias X, as: Y
        - match: \s?
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.function-call.arguments.elixir
            - include: arguments_ws_closing_pop
            - match: ''
              push:
                - include: alias_names
                - match: (?=,)
                  set:
                    - include: alias_as_arg
                    - include: arg_comma_and_skip_ws
                    - include: if_ws_closing_token_or_eol_pop
                    - include: core_syntax
                - include: if_ws_closing_token_or_eol_pop
                - include: core_syntax

  alias_as_arg:
    - match: as(:)(?!:)
      scope: constant.other.keyword.elixir
      captures:
        1: punctuation.definition.constant.elixir
      push: [alias_as_name_pop, invalid_comma_or_non_space_pop]

  alias_as_name_pop:
    - match: '{{module_name}}{{no_key_suffix}}'
      scope: entity.name.namespace.elixir
    - include: if_non_space_or_eol_pop

  alias_names:
    - match: |
        (?x)(?=
          (?:(?<=%>)\.)? (?>{{module_name}}{{no_key_suffix}} | __MODULE__{{no_id_key_suffix}})
        | :(?>{{atom_symbol}}|['"])
        )
      push:
        - include: module_name
        - include: dot_accessor
        - include: unquote_call_pop
        - include: special_form
        - include: atom_symbol
        - include: if_non_space_or_eol_pop

  ## Atoms

  atom_keyword:
    - match: |
        (?x)
        (?! \?: | ::: | %:(?:{{atom_id}}|['"]) ) # No ::: and %:XYZ{} (it's a map)
        (?>{{atom_symbol}}|(?<=%>)) (:) {{no_colon_suffix}}
      comment: keyword symbol
      scope: constant.other.keyword.elixir
      captures:
        1: punctuation.definition.constant.end.elixir
    # Look for ':' behind the closing double/single quote.
    - match: (?x)(?=(["']) (?>\\. | (?!\1).)* \1:{{no_colon_suffix}})
      comment: keyword string
      push:
        - match: (.)
          scope: punctuation.definition.constant.begin.elixir
          set:
            - meta_scope: meta.string.elixir constant.other.keyword.elixir
            - include: escaped_or_interpolated
            - match: '\1:'
              scope: punctuation.definition.constant.end.elixir
              pop: 1

  atom_symbol:
    - match: :(?!:(?!:))
      scope: constant.other.symbol.elixir punctuation.definition.constant.begin.elixir
      push:
        - match: (?=<%)|{{atom_symbol}}
          scope: constant.other.symbol.elixir
          pop: 1
        - match: (["'])
          scope: punctuation.definition.constant.begin.elixir
          set:
            - meta_scope: constant.other.symbol.quoted.elixir
            - match: \1
              scope: punctuation.definition.constant.end.elixir
              pop: 1
            - include: escaped_or_interpolated
        - include: if_empty_pop

  ## Captures

  capture:
    - match: (&)\s*(\d+)(?!\.(?![.\D]))
      captures:
        1: punctuation.definition.capture.elixir constant.other.capture.elixir
        2: constant.other.capture.elixir
    - match: \&
      scope: keyword.operator.capture.elixir
      push:
        - match: (?=(?>do|fn|true|false|nil){{no_id_key_suffix}})
          pop: 1
        - include: if_closing_token_pop
        - match: (?=\.(?!\.))
          set:
            - include: dot_operator
            - include: arguments_pop
            - include: capture_name_pop
            - include: id_or_operator_call_pop
            - include: quoted_remote_call_pop
            - include: quoted_member_pop
            - match: (?={{member}}{{no_id_key_suffix}})
              push: id_member_pop
            - include: tuple_call_pop
            - include: if_closing_token_pop
            - include: if_non_space_or_eol_pop
        - include: capture_name_pop
        - include: special_form
        - match: (?={{identifier}}\s*\.(?!\.|\s*\())
          push: identifier_pop
        - include: if_non_space_or_eol_pop

  capture_name_pop:
    - match: |
        (?x)(?=
          (?>
            {{module_name}}{{no_key_suffix}}
          | :{{atom_symbol}}
          | (?>:(["'])) (?>\\\\|\\\1|(?!\1).)*? (\1)
          )
          \s* (?!\. (?!\. | \s*\())
        | (?>:{{atom_symbol}}) \s*\.\s* {{member}} \s*\(
        )
      comment: exit if module/atom is not followed by `.` or `.(`
      pop: 1
    - include: atom_symbol
    - include: atom_keyword
    - include: module_name
    - include: unquote_call
    - match: (/)\s*(\d+)(?!\.(?![.\D]))
      captures:
        1: punctuation.accessor.arity.elixir
        2: constant.numeric.arity.elixir
      pop: 1
    - match: |
        (?x)
        (?>(/(?=/)|{{member}}) | (["'])((?>\\\\|\\\2|(?!\2).)*?)(\2))
        (?=\s*(/)\s*(\d+)(?!\.(?![.\D])))
      captures:
        1: variable.other.capture.elixir
        2: punctuation.definition.constant.begin.elixir
        3: variable.other.capture.elixir
        4: punctuation.definition.constant.end.elixir

  ## SQL

  sql_or_fragment:
    - match: (?>(fragment)|(sql))(\()
      captures:
        1: support.function.elixir
        2: variable.function.elixir
        3: punctuation.section.arguments.begin.elixir
      push:
        - meta_scope: meta.function-call.arguments.elixir
        - match: (?=unquote\()
          set: [arguments_rest_pop, sql_unquote_pop, unquote_pop]
        - include: sql_or_fragment_args_pop

  sql_unquote_pop:
    - match: \(
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: sql_or_fragment_args_pop

  sql_or_fragment_args_pop:
    - match: (?=")
      set: [arguments_rest_pop, sql_string_pop]
    - include: comment
    - match: (?=\S)
      set: arguments_rest_pop

  sql_string_pop:
    - match: (""")(.*)\n
      captures:
        1: string.quoted.triple.double.elixir punctuation.definition.string.begin.elixir
        2: invalid.illegal.opening-heredoc.elixir
      set:
        - meta_scope: meta.string.elixir
        - match: '"""'
          scope: string.quoted.triple.double.elixir punctuation.definition.string.end.elixir
          pop: 1
        - match: ''
          push: scope:source.ex.sql
          with_prototype:
            - match: (?=""")
              pop: 1
            - include: sql_or_elixir_escaped_pop
    - match: \"
      scope: string.quoted.double.elixir punctuation.definition.string.begin.elixir
      set:
        - meta_scope: meta.string.elixir
        - match: \"
          scope: string.quoted.double.elixir punctuation.definition.string.end.elixir
          pop: 1
        - match: ''
          push: scope:source.ex.sql
          with_prototype:
            - match: (?=")
              pop: 1
            - include: sql_or_elixir_escaped_pop

  sql_or_elixir_escaped_pop:
    - include: interpolated_elixir
    - include: line_continuation
    - match: (?=\\(?!\\?\?))
      push:
        - meta_scope: source.ex.sql
        - match: (?=\\\\?\?)
          comment: let source.ex.sql match "\\?"
          pop: 1
        - include: escaped_char
        - include: if_empty_pop

  opaque_struct:
    # Attempt highlighting e.g. #PID<0.1.0>, #Decimal<1.0> etc.
    - match: '#(?={{module_name}}(?:\s*\.\s*{{module_name}})*<)'
      scope: punctuation.section.mapping.elixir
      comment: opaque struct
      push:
        - include: module_name
        - include: dot_operator
        - match: \<
          scope: punctuation.section.mapping.begin.elixir
          set:
            - match: (?<=\S|^)\>
              scope: punctuation.section.mapping.end.elixir
              pop: 1
            # Text between <> brackets isn't always valid Elixir code.
            # - include: core_syntax

  comment:
    # - include: opaque_struct
    - match: \#
      scope: punctuation.definition.comment.elixir
      push:
        - meta_scope: comment.line.number-sign.elixir
        - match: \n
          pop: 1

  comments:
    - match: (?=#)
      push:
        - include: comment
        - include: if_non_space_pop

  char_literal:
    - match: (\?$)|(\?)(?>\\[\S\s]|\S|(\s))
      comment: character literal as an integer
      scope: constant.numeric.char.elixir
      captures:
        1: invalid.illegal.character-literal.elixir
        2: punctuation.definition.numeric.elixir
        3: invalid.illegal.character-literal.elixir

  built_ins:
    - match: |
        (?x)(?> # Ordered by likeliness of occurrence.
          is_(?>
            binary|list|atom|integer|function|nil|map(?:_key)?|tuple|number
          | boolean|float|bitstring|pid|exception|port|reference|struct
          )
        | inspect|to_string|elem|length|apply|self|byte_size|div|send|rem|put_(?>elem|in)
        | (?>function|macro)_exported\?|update_in|binary_part|hd|struct!?|max|trunc|then
        | to_charlist|get(?:_and_update)?_in|map_size|min|tl|node|make_ref|bit_size
        | tuple_size|spawn(?>_link|_monitor)?|pop_in|abs|round|sum|floor|ceil|tap
        ){{no_suffix_then_arguments}}
      scope: variable.function.built-in.elixir
      push: arguments_paren_or_ws_pop

  ## Arguments

  arguments_paren_or_ws_pop:
    - include: arguments_pop
    - match: ''
      set: [arguments_ws_closing_or_empty_pop, arguments_ws_pop]

  arguments_or_pop:
    - match: '{{has_arguments}}'
      set: arguments_paren_or_ws_pop
    - include: if_empty_pop

  arguments_pop:
    - match: \(
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: arguments_rest_pop

  arguments_closing_pop:
    - match: \)
      scope: punctuation.section.arguments.end.elixir
      pop: 1

  map_closing_pop:
    - match: \}
      scope: meta.mapping.elixir punctuation.section.mapping.end.elixir
      pop: 1

  arguments_rest_pop:
    - include: arguments_closing_pop
    - include: if_closing_token_pop
    - include: arg_comma_and_skip_ws
    - include: core_syntax

  arguments_ws_closing_pop:
    - match: |
        (?x)
          \n | \s? (?=\s*{{closing_token}})
        | (?<=::\bend\b) | (?<=([^:])\bend\b) | (?<=^end\b)
      scope: punctuation.section.arguments.end.elixir
      pop: 1

  arguments_ws_closing_or_empty_pop:
    - include: arguments_ws_closing_pop
    - include: if_empty_pop

  arguments_ws:
    - match: ''
      push: arguments_ws_pop

  arguments_ws_pop:
    - match: \s?
      comment: arguments list without parentheses
      scope: punctuation.section.arguments.begin.elixir
      set:
        - meta_scope: meta.function-call.arguments.elixir
        - include: arguments_ws_rest_pop

  arguments_ws_rest_pop:
    - include: invalid_comma
    - include: arg_comma_and_skip_ws
    - match: (?=\?:\s*{{closing_token}})
      set:
        - include: char_literal
        - include: if_ws_closing_token_or_eol_pop
    - include: atom_keyword
    - match: (?=(?>when|and|in|or|not){{no_id_key_suffix}})
      push:
        - include: if_closing_token_pop
        - match: (?!(?>when|and|in|or|not){{no_id_key_suffix}}|[,\s]|(?<!,))
          pop: 1
        - include: elixir_keywords
        - include: invalid_comma_or_non_space_pop
    - match: (?x) (?=[-+*/=!|;] | && | \\\\ | ~(?![a-zA-Z]) | <(?!<(?!<)) | >(?!>(?!>)) | \.\.(?!\.) | ::(?!:))
      push:
        - include: if_closing_token_pop
        - include: operator
        - include: invalid_comma_or_non_space_pop
    - match: (?<=[^:]:)\s
      push: invalid_comma_or_non_space_pop
    - include: do_block_pop
    - include: fn_block
    - include: if_ws_closing_token_or_eol_pop
    - include: elixir_keywords
    - include: special_form
    - include: last_id_argument
    - include: core_syntax

  last_id_argument:
    - match: |
        (?x)(?=
          (?>
            (?:@\s*)?{{identifier}}
          | \.\s*(?:{{member}} | "(?>\\[\\"]|.)*?" | '(?>\\[\\']|.)*?')
          )
          \s*do{{no_id_key_suffix}}
        )
      comment: prevent matching last argument as a function call, e.g. `func first, second, last do end`
      push:
        - match: (?=do{{no_id_key_suffix}})
          pop: 1
        - match: (@)\s*({{identifier}})
          comment: reference
          captures:
            1: keyword.operator.attribute.elixir
            2: variable.other.constant.elixir
        - include: identifier_pop
        - match: \.(?!\.)
          scope: punctuation.accessor.dot.elixir
          set:
            - include: id_member_pop
            - include: quoted_member_pop
            - include: if_non_space_or_eol_pop
        - include: if_non_space_or_eol_pop

  special_form:
    - match: __(?>MODULE|ENV|DIR|CALLER|STACKTRACE)__{{no_id_key_suffix}}
      scope: variable.language.special-form.elixir

  elixir_keywords:
    - match: when\b(?![?!])
      scope: keyword.operator.when.elixir
      comment: for `when`-clauses that are placed below the function header
      push:
        - match: (?=(?><-|->)(?!:))
          pop: 1
        - include: arguments_ws_rest_pop
    - match: |
        (?x)(?> # Ordered by likeliness of occurrence.
        # (do) | (fn) # Handled by do_block and fn_block.
        # (when)
          (true|false|nil)
        | (and|in|or|not)
        | (else)
        | (after)
        | (rescue)
        | (catch)
        | (end) # Normally in EEx: <% end %>
        )\b(?![?!])
      comment: fully reserved keywords
      captures:
        1: constant.language.elixir
        2: keyword.operator.logical.elixir
        3: keyword.control.conditional.else.elixir
        4: keyword.control.exception.after.elixir
        5: keyword.control.exception.rescue.elixir
        6: keyword.control.exception.catch.elixir
        7: keyword.context.block.end.elixir

  case_macro_call:
    - match: case(?!\(){{no_suffix_then_arguments}}
      scope: keyword.control.conditional.elixir
      push:
        - match: \s?
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.function-call.arguments.elixir
            - match: do{{no_id_key_suffix}}
              scope: punctuation.section.block.begin.elixir keyword.context.block.do.elixir
              push:
                - meta_scope: meta.block.elixir
                - include: arrow_clauses_body_pop
            - include: last_arg_block_end_pop
            - include: arguments_ws_rest_pop

  one_left_arrow_clause:
    - match: (?=\S)
      push:
        - match: (?=<-(?!:)|,|(?>when|do){{no_id_key_suffix}}|do:(?!:))
          set:
            - match: (?=,|do{{no_id_key_suffix}}|do:(?!:))
              pop: 1
            - include: arguments_ws_rest_pop
        - include: parameters_or_if_closing_pop

  with_macro_call:
    - match: with(?!\(){{no_suffix_then_arguments}}
      scope: keyword.control.conditional.elixir
      push:
        - match: \s?
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.function-call.arguments.elixir
            - match: (?=do:(?!:))
              set: [arguments_ws_closing_pop, arguments_ws_rest_pop]
            - match: do{{no_id_key_suffix}}
              scope: punctuation.section.block.begin.elixir keyword.context.block.do.elixir
              set:
                - meta_scope: meta.block.elixir
                - match: else{{no_id_key_suffix}}
                  scope: keyword.control.conditional.else.elixir
                  push: arrow_clauses_body_pop
                - include: last_arg_block_end_pop
                - include: core_syntax
            - include: arguments_ws_closing_pop
            - include: arg_comma_and_skip_ws
            - include: one_left_arrow_clause

  for_macro_call:
    - match: for(?!\(){{no_suffix_then_arguments}}
      scope: keyword.control.loop.for.elixir
      push:
        - match: \s?
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.function-call.arguments.elixir
            - match: (?=reduce:(?!:))
              set:
                - match: do{{no_id_key_suffix}}
                  scope: punctuation.section.block.begin.elixir keyword.context.block.do.elixir
                  set:
                    - meta_scope: meta.block.elixir
                    - include: last_arg_block_end_pop
                    - match: ''
                      push: arrow_clauses_body_pop
                - include: arg_comma_and_skip_ws
                - include: arguments_ws_rest_pop
            - match: (?={{atom_symbol}}:(?!:))|(?<=[^:]:)
              set: [arguments_ws_closing_pop, arguments_ws_rest_pop]
            - include: arguments_ws_closing_pop
            - include: arg_comma_and_skip_ws
            - include: one_left_arrow_clause

  try_macro_call:
    - match: try(?!\(){{no_suffix_then_arguments}}
      scope: keyword.control.exception.try.elixir
      push:
        - match: \s?
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.function-call.arguments.elixir
            - match: do{{no_id_key_suffix}}
              scope: punctuation.section.block.begin.elixir keyword.context.block.do.elixir
              set:
                - meta_scope: meta.block.elixir
                - include: error_handling_clauses
                - include: last_arg_block_end_pop
                - include: core_syntax
            - include: arguments_ws_closing_pop
            - include: arg_comma_and_skip_ws
            - include: core_syntax

  receive_macro_call:
    - match: receive(?!\(){{no_suffix_then_arguments}}
      scope: keyword.control.loop.receive.elixir
      push:
        - match: \s?
          scope: punctuation.section.arguments.begin.elixir
          set:
            - meta_scope: meta.function-call.arguments.elixir
            - match: do{{no_id_key_suffix}}
              scope: punctuation.section.block.begin.elixir keyword.context.block.do.elixir
              set:
                - meta_scope: meta.block.elixir
                - match: after{{no_id_key_suffix}}
                  scope: keyword.control.exception.catch.elixir
                  push: arrow_clauses_body_pop
                - include: last_arg_block_end_pop
                - match: ''
                  push: arrow_clauses_body_pop
            - include: arguments_ws_closing_pop
            - include: arg_comma_and_skip_ws
            - include: core_syntax

  elixir_functions:
    - include: unquote_call
    - include: case_macro_call
    - include: with_macro_call
    - include: for_macro_call
    - include: try_macro_call
    - include: receive_macro_call
    - match: |
        (?x)(?> # Ordered by likeliness of occurrence.
          (case|if|with|cond|unless)
        | (use|import|require)
        | (quote)
        | (raise|reraise|throw)
        | (for)
        | (defstruct|defexception|defoverridable)
        | (try)
        | (receive)
        | (exit)
        | (super)
        | (destructure)
        ){{no_suffix_then_arguments}}
      captures:
        1: keyword.control.conditional.elixir
        2: keyword.control.import.elixir
        3: keyword.other.quote.elixir
        4: keyword.control.flow.throw.elixir
        5: keyword.control.loop.for.elixir
        6: keyword.declaration.elixir
        7: keyword.control.exception.try.elixir
        8: keyword.control.loop.receive.elixir
        9: keyword.control.flow.exit.elixir
        10: keyword.other.super.elixir
        11: keyword.other.destructure.elixir
      push: arguments_paren_or_ws_pop
    - include: defrecord

  unquote_pop:
    - match: unquote(?:_splicing)?
      scope: keyword.other.unquote.elixir
      pop: 1

  unquote_call_pop:
    - match: (?=unquote(?:_splicing)?\()
      set: [unquote_post_args_pop, arguments_pop, unquote_pop]
    - match: (?=unquote(?:_splicing)?{{no_suffix_then_arguments}})
      set: [arguments_ws_pop, unquote_pop]

  unquote_post_args_pop:
    - match: (?=\()
      set: arguments_pop
    - include: if_empty_pop

  unquote_call:
    - match: (?=unquote(?:_splicing)?{{no_suffix_then_arguments}})
      push: unquote_call_pop

  line_continuation:
    - match: \\\n
      scope: punctuation.separator.continuation.elixir

  ## Helpers

  if_closing_token_pop:
    - match: (?=[)}\]]|>>(?!>)|%>|{{closing_keyword}})
      pop: 1

  if_ws_closing_token_pop:
    - match: (?=\s*(?>[)}\];]|>>(?!>)|%>|{{closing_keyword}}))
      pop: 1

  if_ws_closing_token_or_eol_pop:
    - include: if_ws_closing_token_pop
    - match: (?=\s*(?>#|$))
      pop: 1

  if_closing_paren_pop:
    - match: (?=\))
      pop: 1

  if_non_space_pop:
    - match: (?=\S)
      pop: 1

  if_non_space_or_eol_pop:
    - match: (?=\S|$)
      pop: 1

  if_empty_pop:
    - match: ''
      pop: 1