yaml.pgx.yaml

---
+grammar: yaml
+toprule: yaml_stream
+version: 0.0.1
EOS:
  .rgx: \z
__:
  .rgx: (?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*
any_node:
  .any:
  - .ref: yaml_alias
  - .ref: yaml_node
block_key:
  .all:
  - +max: 1
    .ref: yaml_props
  - .ref: block_key_scalar
  - .ref: pair_separator
block_key_scalar:
  .any:
  - .ref: double_quoted_scalar
  - .ref: single_quoted_scalar
  - .ref: block_plain_scalar
block_mapping_or_scalar:
  .all:
  - .ref: block_indent
  - .all:
    - .ref: block_pair
    - +min: 0
      -flat: 1
      .all:
      - .all:
        - .ref: __
        - .ref: block_ondent
      - .ref: block_pair
  - .ref: block_undent
block_node:
  .any:
  - .ref: block_sequence
  - .ref: block_mapping_or_scalar
  - .ref: block_scalar
block_pair:
  .all:
  - .ref: block_key
  - .ref: any_node
block_plain_scalar:
  .rgx: (?![&\*!\{\}\[\]%"'`\@\#])(.*?)(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?=:\s|\r?\n|\z)
block_scalar:
  .any:
  - .ref: literal_scalar
  - .ref: folded_scalar
  - .ref: double_quoted_scalar
  - .ref: single_quoted_scalar
  - .ref: block_plain_scalar
block_sequence:
  .all:
  - .ref: block_sequence_indent
  - .all:
    - .ref: block_sequence_entry
    - +min: 0
      -flat: 1
      .all:
      - .all:
        - .ref: __
        - .ref: block_sequence_ondent
      - .ref: block_sequence_entry
  - .ref: block_sequence_undent
block_sequence_entry:
  .all:
  - .ref: block_sequence_marker
  - .ref: any_node
block_sequence_marker:
  .rgx: \-(?:(?=[\ \t])(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)|(?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*)
directive_tag:
  .rgx: '%TAG(?=[\ \t])(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)!(.*)!(?=[\ \t])(?:[\
    \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(\S+)(?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*'
directive_yaml:
  .rgx: '%YAML(?=[\ \t])(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)1\.2(?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*'
document_end:
  .rgx: ''
document_foot:
  .rgx: \.\.\.(?:\r?\n|\z)
document_head:
  .rgx: \-\-\-
document_start:
  .rgx: (?=.)
double_quoted_scalar:
  .rgx: '"((?:\\"|[^"])*)"'
flow_collection:
  .any:
  - .ref: flow_sequence
  - .ref: flow_mapping
flow_mapping:
  .all:
  - .ref: flow_mapping_start
  - +max: 1
    .all:
    - .ref: flow_mapping_pair
    - +min: 0
      -flat: 1
      .all:
      - .ref: list_separator
      - .ref: flow_mapping_pair
    - +max: 1
      .ref: list_separator
  - .ref: flow_mapping_end
flow_mapping_end:
  .rgx: (?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)\}(?:[\
    \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)
flow_mapping_pair:
  .all:
  - .any:
    - .ref: json_key
    - .all:
      - .ref: flow_node
      - .ref: pair_separator
  - .ref: flow_node
flow_mapping_start:
  .rgx: \{(?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)
flow_node:
  .any:
  - .ref: yaml_alias
  - .all:
    - +max: 1
      .ref: yaml_props
    - .ref: x
    - .any:
      - .ref: flow_sequence
      - .ref: flow_mapping
      - .ref: flow_scalar
flow_plain_scalar:
  .rgx: (?![&\*!\{\}\[\]%"'`\@\#])(.*?)(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?=[&\*!\{\}\[\]%"',]|:\
    |,\ |\r?\n|\z)
flow_scalar:
  .any:
  - .ref: double_quoted_scalar
  - .ref: single_quoted_scalar
  - .ref: flow_plain_scalar
flow_sequence:
  .all:
  - .ref: flow_sequence_start
  - +max: 1
    .all:
    - .ref: flow_node
    - +min: 0
      -flat: 1
      .all:
      - .ref: list_separator
      - .ref: flow_node
    - +max: 1
      .ref: list_separator
  - .ref: flow_sequence_end
flow_sequence_end:
  .rgx: (?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)\](?:[\
    \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)
flow_sequence_start:
  .rgx: \[(?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)
json_key:
  .rgx: '"((?:\\"|[^"])*)":(?=\S)'
list_separator:
  .rgx: (?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?),(?:(?:[\
    \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)
pair_separator:
  .rgx: (?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?):(?=\s)(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)
single_quoted_scalar:
  .rgx: '''((?:''''|[^''])*)'''
stream_end:
  .ref: EOS
stream_start:
  .rgx: (?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*
x:
  .rgx: (?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)
yaml_alias:
  .rgx: \*(\w+)(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)
yaml_document:
  .all:
  - +max: 1
    .ref: directive_yaml
  - +min: 0
    .ref: directive_tag
  - .any:
    - .all:
      - .ref: document_head
      - .any:
        - .all:
          - .rgx: '[\ \t]+'
          - .ref: block_scalar
          - .ref: __
        - .all:
          - .ref: __
          - .ref: yaml_node
    - .all:
      - .ref: document_start
      - .ref: yaml_node
  - .ref: __
  - .any:
    - .ref: document_foot
    - .ref: document_end
yaml_node:
  .all:
  - +max: 1
    .ref: yaml_props
  - .rgx: (?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*
  - .any:
    - .all:
      - .rgx: (?=[\{\[])
      - .ref: flow_collection
    - .ref: block_node
yaml_props:
  .rgx: (?:(?:\&(\w+)(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?))(?:(\!\S*)(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?))?|(?:(\!\S*)(?:[\
    \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?))(?:\&(\w+)(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?))?)((?:[\
    \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:(?:[\ \t]*(?:(?:(?<=\s)|(?<=^))\#.*)?)(?:\r?\n|\z))*)
yaml_stream:
  .all:
  - .ref: stream_start
  - +min: 0
    .ref: yaml_document
  - .ref: stream_end