yaml-pgx/yaml.pgx.yaml at master · acmeism/yaml-pgx · GitHub

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---
+grammar: yaml
+top: yaml_stream
+version: '1.2'
BREAK:
  .rgx: \n
block_elem:
  .all:
  - .ref: indentation
  - .rgx: '\- '
  - .ref: block_value
  - .ref: BREAK
block_key:
  .any:
  - .ref: double_quoted
  - .ref: single_quoted
  - .ref: plain_string
block_map:
  .all:
  - .ref: indent
  - +min: 1
    .ref: block_pair
  - .ref: undent
block_node:
  .any:
  - .ref: block_seq
  - .ref: block_map
  - .ref: block_scalar
block_pair:
  .all:
  - .ref: indentation
  - .ref: block_key
  - .rgx: \s*:\s*
  - .ref: block_value
  - .ref: BREAK
block_scalar:
  .any:
  - .ref: double_quoted
  - .ref: single_quoted
  - .ref: plain_string
  - .ref: empty_string
block_seq:
  .all:
  - .ref: indent
  - +min: 1
    .ref: block_elem
  - .ref: undent
block_value:
  .any:
  - .ref: flow_collection
  - .ref: block_node
document_footer:
  .rgx: \.\.\.\r?\n
document_header:
  .rgx: (\-\-\-)\s
double_quoted:
  .rgx: '"((?:\\\\|\\"|[^"\n])*)"'
empty_string:
  .rgx: ''
flow_collection:
  .any:
  - .ref: flow_map
  - .ref: flow_seq
flow_map:
  .all:
  - .rgx: \s*\{\s*
  - +min: 0
    .ref: flow_pair
    .sep:
      .rgx: \s*,\s*
  - .rgx: \s*\}\s*
flow_node:
  .any:
  - .ref: flow_collection
  - .ref: flow_scalar
flow_pair:
  .all:
  - .ref: flow_node
  - .rgx: \s*:\s*
  - .ref: flow_node
flow_scalar:
  .any:
  - .ref: double_quoted
  - .ref: single_quoted
  - .ref: plain_string
flow_seq:
  .all:
  - .rgx: \s*\[\s*
  - +min: 0
    .ref: flow_node
    .sep:
      .rgx: \s*,\s*
  - .rgx: \s*\]\s*
plain_string:
  .rgx: ([^%'" ][^:\n]*)
single_quoted:
  .rgx: '''((?:''''|[^''])*)'''
yaml_document:
  .all:
  - +max: 1
    .ref: document_header
  - .any:
    - .ref: flow_collection
    - .ref: block_node
    - .ref: block_scalar
  - +max: 1
    .ref: document_footer
yaml_stream:
  +min: 0
  .ref: yaml_document