YAML::PP::Grammar(3)  User Contributed Perl Documentation YAML::PP::Grammar(3)


NAME
       YAML::PP::Grammar - YAML grammar

GRAMMAR
       This is the Grammar in YAML

           # START OF YAML INLINE

           # DO NOT CHANGE THIS
           # This grammar is automatically generated from etc/grammar.yaml

           ---
           NODETYPE_NODE:
             DASH:
               match: cb_seqstart
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }

             DEFAULT: { new: NODETYPE_SCALAR_OR_MAP }

           NODETYPE_SCALAR_OR_MAP:

             # Flow nodes can follow tabs
             WS: { new: FULLMAPVALUE_INLINE }

             ALIAS:
               match: cb_alias
               EOL: { match: cb_send_alias_from_stack }
               WS:
                 COLON:
                   match: cb_insert_map_alias
                   EOL: { new: FULLNODE }
                   WS: { new: FULLMAPVALUE_INLINE }

             QUESTION:
               match: cb_questionstart
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }

             QUOTED:
               match: cb_take_quoted
               EOL: { match: cb_send_scalar }
               WS:
                 COLON:
                   match: cb_insert_map
                   EOL: { new: FULLNODE }
                   WS: { new: FULLMAPVALUE_INLINE }
               COLON:
                 match: cb_insert_map
                 EOL: { new: FULLNODE }
                 WS: { new: FULLMAPVALUE_INLINE }

             QUOTED_MULTILINE:
               match: cb_quoted_multiline
               EOL: {  }


             PLAIN:
               match: cb_start_plain
               EOL:
                 match: cb_send_scalar
               WS:
                 COLON:
                   match: cb_insert_map
                   EOL: { new: FULLNODE }
                   WS: { new: FULLMAPVALUE_INLINE }
               COLON:
                 match: cb_insert_map
                 EOL: { new: FULLNODE }
                 WS: { new: FULLMAPVALUE_INLINE }

             PLAIN_MULTI:
               match: cb_send_plain_multi
               EOL: { }

             COLON:
               match: cb_insert_empty_map
               EOL: { new: FULLNODE }
               WS: { new: FULLMAPVALUE_INLINE }

             BLOCK_SCALAR:
               match: cb_send_block_scalar
               EOL: { }

             FLOWSEQ_START:
               match: cb_start_flowseq
               new: NEWFLOWSEQ

             FLOWMAP_START:
               match: cb_start_flowmap
               new: NEWFLOWMAP

             DOC_END:
               match: cb_end_document
               EOL: { }

             DOC_START:
               match: cb_end_doc_start_document
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }

             EOL:
               new: NODETYPE_SCALAR_OR_MAP

           NODETYPE_COMPLEX:
             COLON:
               match: cb_complexcolon
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }
             DEFAULT:
               match: cb_empty_complexvalue
               new: NODETYPE_MAP
             EOL:
               new: NODETYPE_COMPLEX

           RULE_FULLFLOWSCALAR:
             ANCHOR:
               match: cb_anchor
               EOL: { new: RULE_FULLFLOWSCALAR_ANCHOR }
               DEFAULT: { new: RULE_FULLFLOWSCALAR_ANCHOR }
             TAG:
               match: cb_tag
               EOL: { new: RULE_FULLFLOWSCALAR_TAG }
               DEFAULT: { new: RULE_FULLFLOWSCALAR_TAG }
             DEFAULT: { new: RULE_FLOWSCALAR }

           RULE_FULLFLOWSCALAR_ANCHOR:
             WS: { new: RULE_FULLFLOWSCALAR_ANCHOR }
             TAG:
               match: cb_tag
               WS: { new: RULE_FLOWSCALAR }
               EOL: { new: RULE_FLOWSCALAR }
             DEFAULT: { new: RULE_FLOWSCALAR }

           RULE_FULLFLOWSCALAR_TAG:
             WS: { new: RULE_FULLFLOWSCALAR_TAG }
             ANCHOR:
               match: cb_anchor
               WS: { new: RULE_FLOWSCALAR }
               EOL: { new: RULE_FLOWSCALAR }
             DEFAULT: { new: RULE_FLOWSCALAR }

           RULE_FLOWSCALAR:
             FLOWSEQ_START: { match: cb_start_flowseq, new: NEWFLOWSEQ }
             FLOWMAP_START: { match: cb_start_flowmap, new: NEWFLOWMAP }

             ALIAS: { match: cb_send_alias, return: 1 }

             QUOTED:
               match: cb_take_quoted
               EOL: { match: cb_send_scalar }
               WS: { match: cb_send_scalar, return: 1 }
               DEFAULT: { match: cb_send_scalar, return: 1 }

             QUOTED_MULTILINE: { match: cb_quoted_multiline, return: 1 }

             PLAIN:
               match: cb_start_plain
               EOL: { match: cb_send_scalar }
               DEFAULT: { match: cb_send_scalar, return: 1 }

             PLAIN_MULTI: { match: cb_send_plain_multi, return: 1 }

             FLOW_COMMA: { match: cb_empty_flow_mapkey, return: 1 }

             FLOWMAP_END:
               match: cb_end_flowmap_empty
               return: 1

           FLOWSEQ:
             FLOWSEQ_START: { match: cb_start_flowseq, new: NEWFLOWSEQ }
             FLOWMAP_START: { match: cb_start_flowmap, new: NEWFLOWMAP }

             ALIAS: { match: cb_send_flow_alias, new: FLOWSEQ_NEXT }

             PLAIN:
               match: cb_start_plain
               EOL:
                 match: cb_send_scalar
                 new: FLOWSEQ_NEXT
               DEFAULT:
                 new: FLOWSEQ_MAYBE_KEY
             PLAIN_MULTI: { match: cb_send_plain_multi, new: FLOWSEQ_NEXT }

             QUOTED:
               match: cb_take_quoted
               EOL:
                 match: cb_send_scalar
                 new: FLOWSEQ_NEXT
               DEFAULT:
                 new: FLOWSEQ_MAYBE_KEY
             QUOTED_MULTILINE: { match: cb_quoted_multiline, new: FLOWSEQ_NEXT }

             COLON:
               WS:
                 match: cb_insert_empty_implicit_flowseq_map
                 new: RULE_FULLFLOWSCALAR
               EOL:
                 match: cb_insert_empty_implicit_flowseq_map
                 new: RULE_FULLFLOWSCALAR

           FLOWSEQ_PROPS:
             FLOWSEQ_START: { match: cb_start_flowseq, new: NEWFLOWSEQ }
             FLOWMAP_START: { match: cb_start_flowmap, new: NEWFLOWMAP }

             PLAIN:
               match: cb_start_plain
               EOL:
                 match: cb_send_scalar
                 new: FLOWSEQ_NEXT
               DEFAULT:
                 new: FLOWSEQ_MAYBE_KEY
             PLAIN_MULTI: { match: cb_send_plain_multi, new: FLOWSEQ_NEXT }

             QUOTED:
               match: cb_take_quoted
               EOL:
                 match: cb_send_scalar
                 new: FLOWSEQ_NEXT
               DEFAULT:
                 new: FLOWSEQ_MAYBE_KEY
             QUOTED_MULTILINE: { match: cb_quoted_multiline, new: FLOWSEQ_NEXT }

             FLOW_COMMA:
               match: cb_empty_flowseq_comma
               return: 1
             FLOWSEQ_END:
               match: cb_empty_flowseq_end
               return: 1

             COLON:
               WS:
                 match: cb_insert_empty_implicit_flowseq_map
                 new: RULE_FULLFLOWSCALAR
               EOL:
                 match: cb_insert_empty_implicit_flowseq_map
                 new: RULE_FULLFLOWSCALAR

           FLOWSEQ_EMPTY:
             FLOW_COMMA:
               match: cb_empty_flowseq_comma
               return: 1
             FLOWSEQ_END:
               match: cb_empty_flowseq_end
               return: 1

           FLOWSEQ_NEXT:
             WS: { new: FLOWSEQ_NEXT }
             EOL: { new: FLOWSEQ_NEXT }

             FLOW_COMMA:
               match: cb_flow_comma
               return: 1
             FLOWSEQ_END:
               match: cb_end_flowseq
               return: 1

           FLOWSEQ_MAYBE_KEY:
             WS: { new: FLOWSEQ_MAYBE_KEY }

             COLON:
               WS:
                 match: cb_insert_implicit_flowseq_map
                 new: RULE_FULLFLOWSCALAR
               EOL:
                 match: cb_insert_implicit_flowseq_map
                 new: RULE_FULLFLOWSCALAR
               DEFAULT:
                 match: cb_insert_implicit_flowseq_map
                 new: RULE_FULLFLOWSCALAR
             DEFAULT:
               new: FLOWSEQ_NEXT

           FLOWMAP_CONTENT:
             FLOWSEQ_START: { match: cb_start_flowseq, new: NEWFLOWSEQ }
             FLOWMAP_START: { match: cb_start_flowmap, new: NEWFLOWMAP }

             ALIAS: { match: cb_send_alias, return: 1 }

             PLAIN: { match: cb_flowkey_plain, return: 1 }
             PLAIN_MULTI: { match: cb_send_plain_multi, return: 1 }

             QUOTED: { match: cb_flowkey_quoted, return: 1 }
             QUOTED_MULTILINE: { match: cb_quoted_multiline, return: 1 }

             COLON:
               WS:
                 match: cb_empty_flow_mapkey
                 new: RULE_FULLFLOWSCALAR
               EOL:
                 match: cb_empty_flow_mapkey
                 new: RULE_FULLFLOWSCALAR

           FLOWMAP_PROPS:
             FLOWSEQ_START: { match: cb_start_flowseq, new: NEWFLOWSEQ }
             FLOWMAP_START: { match: cb_start_flowmap, new: NEWFLOWMAP }

             PLAIN: { match: cb_flowkey_plain, return: 1 }
             PLAIN_MULTI: { match: cb_send_plain_multi, return: 1 }

             QUOTED: { match: cb_flowkey_quoted, return: 1 }
             QUOTED_MULTILINE: { match: cb_quoted_multiline, return: 1 }

             COLON:
               WS:
                 match: cb_empty_flow_mapkey
                 new: RULE_FULLFLOWSCALAR
               EOL:
                 match: cb_empty_flow_mapkey
                 new: RULE_FULLFLOWSCALAR
             FLOW_COMMA:
               match: cb_empty_flowmap_key_value
               return: 1
             FLOWMAP_END:
               match: cb_end_empty_flowmap_key_value
               return: 1

           FLOWMAP_EMPTYKEY:
             FLOW_COMMA:
               match: cb_empty_flowmap_key_value
               return: 1
             FLOWMAP_END:
               match: cb_end_empty_flowmap_key_value
               return: 1

           NEWFLOWSEQ:
             EOL: { new: NEWFLOWSEQ }
             WS: { new: NEWFLOWSEQ }

             ANCHOR:
               match: cb_anchor
               WS: { new: NEWFLOWSEQ_ANCHOR_SPC }
               EOL: { new: NEWFLOWSEQ_ANCHOR_SPC }
               DEFAULT: { new: NEWFLOWSEQ_ANCHOR }

             TAG:
               match: cb_tag
               WS: { new: NEWFLOWSEQ_TAG_SPC }
               EOL: { new: NEWFLOWSEQ_TAG_SPC }
               DEFAULT: { new: NEWFLOWSEQ_TAG }

             FLOWSEQ_END:
               match: cb_end_flowseq
               return: 1

             DEFAULT: { new: FLOWSEQ }

           NODETYPE_FLOWSEQ:
             EOL: { new: NODETYPE_FLOWSEQ }
             WS: { new: NODETYPE_FLOWSEQ }
             FLOWSEQ_END:
               match: cb_end_flowseq
               return: 1
             DEFAULT: { new: NEWFLOWSEQ }

           NODETYPE_FLOWMAPVALUE:
             WS: { new: NODETYPE_FLOWMAPVALUE }
             EOL: { new: NODETYPE_FLOWMAPVALUE }
             COLON:
               match: cb_flow_colon
               WS: { new: RULE_FULLFLOWSCALAR }
               EOL: { new: RULE_FULLFLOWSCALAR }
               DEFAULT: { new: RULE_FULLFLOWSCALAR }
             FLOW_COMMA:
               match: cb_empty_flowmap_value
               return: 1
             FLOWMAP_END:
               match: cb_end_flowmap_empty
               return: 1

           NEWFLOWSEQ_ANCHOR:
             DEFAULT: { new: FLOWSEQ_EMPTY }
           NEWFLOWSEQ_TAG:
             DEFAULT: { new: FLOWSEQ_EMPTY }

           NEWFLOWSEQ_ANCHOR_SPC:
             WS: { new: NEWFLOWSEQ_ANCHOR_SPC }
             EOL: { new: NEWFLOWSEQ_ANCHOR_SPC }
             TAG:
               match: cb_tag
               WS: { new: FLOWSEQ_PROPS }
               EOL: { new: FLOWSEQ_PROPS }
               DEFAULT: { new: FLOWSEQ_EMPTY }
             DEFAULT: { new: FLOWSEQ_PROPS }

           NEWFLOWSEQ_TAG_SPC:
             WS: { new: NEWFLOWSEQ_TAG_SPC }
             EOL: { new: NEWFLOWSEQ_TAG_SPC }
             ANCHOR:
               match: cb_anchor
               WS: { new: FLOWSEQ_PROPS }
               EOL: { new: FLOWSEQ_PROPS }
               DEFAULT: { new: FLOWSEQ_EMPTY }
             DEFAULT: { new: FLOWSEQ_PROPS }


           NEWFLOWMAP_ANCHOR:
             DEFAULT: { new: FLOWMAP_EMPTYKEY }
           NEWFLOWMAP_TAG:
             DEFAULT: { new: FLOWMAP_EMPTYKEY }

           NEWFLOWMAP_ANCHOR_SPC:
             WS: { new: NEWFLOWMAP_ANCHOR_SPC }
             EOL: { new: NEWFLOWMAP_ANCHOR_SPC }
             TAG:
               match: cb_tag
               WS: { new: FLOWMAP_PROPS }
               EOL: { new: FLOWMAP_PROPS }
               DEFAULT: { new: FLOWMAP_EMPTYKEY }
             DEFAULT: { new: FLOWMAP_PROPS }

           NEWFLOWMAP_TAG_SPC:
             WS: { new: NEWFLOWMAP_TAG_SPC }
             EOL: { new: NEWFLOWMAP_TAG_SPC }
             ANCHOR:
               match: cb_anchor
               WS: { new: FLOWMAP_PROPS }
               EOL: { new: FLOWMAP_PROPS }
               DEFAULT: { new: FLOWMAP_EMPTYKEY }
             DEFAULT: { new: FLOWMAP_PROPS }

           NEWFLOWMAP:
             EOL: { new: NEWFLOWMAP }
             WS: { new: NEWFLOWMAP }
             QUESTION: { match: cb_flow_question, new: FLOWMAP_EXPLICIT_KEY }
             DEFAULT: { new: FLOWMAP }


           FLOWMAP_EXPLICIT_KEY:
             WS: { new: FLOWMAP_EXPLICIT_KEY }
             EOL: { new: FLOWMAP_EXPLICIT_KEY }
             FLOWMAP_END:
               match: cb_end_empty_flowmap_key_value
               return: 1
             FLOW_COMMA:
               match: cb_empty_flowmap_key_value
               return: 1
             DEFAULT: { new: FLOWMAP }

           FLOWMAP:
             EOL: { new: FLOWMAP }
             WS: { new: FLOWMAP }

             ANCHOR:
               match: cb_anchor
               WS: { new: NEWFLOWMAP_ANCHOR_SPC }
               EOL: { new: NEWFLOWMAP_ANCHOR_SPC }
               DEFAULT: { new: NEWFLOWMAP_ANCHOR }
             TAG:
               match: cb_tag
               WS: { new: NEWFLOWMAP_TAG_SPC }
               EOL: { new: NEWFLOWMAP_TAG_SPC }
               DEFAULT: { new: NEWFLOWMAP_TAG }

             FLOWMAP_END:
               match: cb_end_flowmap
               return: 1

             COLON:
               WS:
                 match: cb_empty_flow_mapkey
                 new: RULE_FULLFLOWSCALAR
               EOL:
                 match: cb_empty_flow_mapkey
                 new: RULE_FULLFLOWSCALAR

             DEFAULT: { new: FLOWMAP_CONTENT }

           NODETYPE_FLOWMAP:
             EOL: { new: NODETYPE_FLOWMAP }
             WS: { new: NODETYPE_FLOWMAP }
             FLOWMAP_END:
               match: cb_end_flowmap
               return: 1
             FLOW_COMMA: { match: cb_flow_comma, new: NEWFLOWMAP }
             DEFAULT: { new: NEWFLOWMAP }

           END_FLOW:
             EOL:
               match: cb_end_outer_flow
               return: 1

           RULE_MAPKEY:
             QUESTION:
               match: cb_question
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }
             ALIAS:
               match: cb_send_alias_key
               WS:
                 COLON:
                   EOL: { new: FULLNODE }
                   WS: { new: FULLMAPVALUE_INLINE }

             QUOTED:
               match: cb_take_quoted_key
               WS:
                 COLON:
                   EOL: { new: FULLNODE }
                   WS: { new: FULLMAPVALUE_INLINE }
               COLON:
                 EOL: { new: FULLNODE }
                 WS: { new: FULLMAPVALUE_INLINE }

             PLAIN:
               match: cb_mapkey
               WS:
                 COLON:
                   match: cb_send_mapkey
                   EOL: { new: FULLNODE }
                   WS: { new: FULLMAPVALUE_INLINE }
               COLON:
                 match: cb_send_mapkey
                 EOL: { new: FULLNODE }
                 WS: { new: FULLMAPVALUE_INLINE }

             COLON:
               match: cb_empty_mapkey
               EOL: { new: FULLNODE }
               WS: { new: FULLMAPVALUE_INLINE }

             DOC_END:
               match: cb_end_document
               EOL: { }

             DOC_START:
               match: cb_end_doc_start_document
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }

             EOL:
               new: RULE_MAPKEY


           NODETYPE_SEQ:
             DASH:
               match: cb_seqitem
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }
             DOC_END:
               match: cb_end_document
               EOL: { }
             DOC_START:
               match: cb_end_doc_start_document
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }

             EOL:
               new: NODETYPE_SEQ

           NODETYPE_MAP:
             ANCHOR:
               match: cb_anchor
               WS:
                 TAG:
                   match: cb_tag
                   WS: { new: RULE_MAPKEY  }
                 DEFAULT: { new: RULE_MAPKEY }
             TAG:
               match: cb_tag
               WS:
                 ANCHOR:
                   match: cb_anchor
                   WS: { new: RULE_MAPKEY  }
                 DEFAULT: { new: RULE_MAPKEY }
             DEFAULT: { new: RULE_MAPKEY }

           FULLNODE_ANCHOR:
             TAG:
               match: cb_tag
               EOL: { match: cb_property_eol, new: FULLNODE_TAG_ANCHOR }
               WS:
                 ANCHOR:
                   match: cb_anchor
                   WS: { new: NODETYPE_SCALAR_OR_MAP  }
                 DEFAULT: { new: NODETYPE_SCALAR_OR_MAP }
             ANCHOR:
               match: cb_anchor
               WS:
                 TAG:
                   match: cb_tag
                   WS: { new: NODETYPE_SCALAR_OR_MAP  }
                 DEFAULT: { new: NODETYPE_SCALAR_OR_MAP }
             EOL: { new: FULLNODE_ANCHOR }
             DEFAULT: { new: NODETYPE_NODE }

           FULLNODE_TAG:
             ANCHOR:
               match: cb_anchor
               EOL: { match: cb_property_eol, new: FULLNODE_TAG_ANCHOR }
               WS:
                 TAG:
                   match: cb_tag
                   WS: { new: NODETYPE_SCALAR_OR_MAP  }
                 DEFAULT: { new: NODETYPE_SCALAR_OR_MAP, }
             TAG:
               match: cb_tag
               WS:
                 ANCHOR:
                   match: cb_anchor
                   WS: { new: NODETYPE_SCALAR_OR_MAP  }
                 DEFAULT: { new: NODETYPE_SCALAR_OR_MAP }
             EOL: { new: FULLNODE_TAG }
             DEFAULT: { new: NODETYPE_NODE }

           FULLNODE_TAG_ANCHOR:
             ANCHOR:
               match: cb_anchor
               WS:
                 TAG:
                   match: cb_tag
                   WS: { new: NODETYPE_SCALAR_OR_MAP  }
                 DEFAULT: { new: NODETYPE_SCALAR_OR_MAP }
             TAG:
               match: cb_tag
               WS:
                 ANCHOR:
                   match: cb_anchor
                   WS: { new: NODETYPE_SCALAR_OR_MAP  }
                 DEFAULT: { new: NODETYPE_SCALAR_OR_MAP }
             EOL: { new: FULLNODE_TAG_ANCHOR }
             DEFAULT: { new: NODETYPE_NODE }

           FULLNODE:
             ANCHOR:
               match: cb_anchor
               EOL: { match: cb_property_eol, new: FULLNODE_ANCHOR }
               WS:
                 TAG:
                   match: cb_tag
                   EOL: { match: cb_property_eol, new: FULLNODE_TAG_ANCHOR }
                   WS: { new: NODETYPE_SCALAR_OR_MAP  }
                 DEFAULT: { new: NODETYPE_SCALAR_OR_MAP }
             TAG:
               match: cb_tag
               EOL: { match: cb_property_eol, new: FULLNODE_TAG }
               WS:
                 ANCHOR:
                   match: cb_anchor
                   EOL: { match: cb_property_eol, new: FULLNODE_TAG_ANCHOR }
                   WS: { new: NODETYPE_SCALAR_OR_MAP  }
                 DEFAULT: { new: NODETYPE_SCALAR_OR_MAP }
             EOL: { new: FULLNODE }
             DEFAULT: { new: NODETYPE_NODE }

           FULLMAPVALUE_INLINE:
             ANCHOR:
               match: cb_anchor
               EOL: { match: cb_property_eol, new: FULLNODE_ANCHOR }
               WS:
                 TAG:
                   match: cb_tag
                   EOL: { match: cb_property_eol, new: FULLNODE_TAG_ANCHOR }
                   WS: { new: NODETYPE_MAPVALUE_INLINE  }
                 DEFAULT: { new: NODETYPE_MAPVALUE_INLINE }
             TAG:
               match: cb_tag
               EOL: { match: cb_property_eol, new: FULLNODE_TAG }
               WS:
                 ANCHOR:
                   match: cb_anchor
                   EOL: { match: cb_property_eol, new: FULLNODE_TAG_ANCHOR }
                   WS: { new: NODETYPE_MAPVALUE_INLINE  }
                 DEFAULT: { new: NODETYPE_MAPVALUE_INLINE }
             DEFAULT: { new: NODETYPE_MAPVALUE_INLINE }


           NODETYPE_MAPVALUE_INLINE:
             ALIAS:
               match: cb_send_alias
               EOL: { }

             QUOTED:
               match: cb_take_quoted
               EOL: { match: cb_send_scalar }

             QUOTED_MULTILINE:
               match: cb_quoted_multiline
               EOL: { }

             PLAIN:
               match: cb_start_plain
               EOL:
                 match: cb_send_scalar

             PLAIN_MULTI:
               match: cb_send_plain_multi
               EOL: { }

             BLOCK_SCALAR:
               match: cb_send_block_scalar
               EOL: { }

             FLOWSEQ_START:
               match: cb_start_flowseq
               new: NEWFLOWSEQ

             FLOWMAP_START:
               match: cb_start_flowmap
               new: NEWFLOWMAP

             DOC_END:
               match: cb_end_document
               EOL: { }


           DOCUMENT_END:
             DOC_END:
               match: cb_end_document
               EOL: { }
             DOC_START:
               match: cb_end_doc_start_document
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }

             EOL:
               new: DOCUMENT_END


           STREAM:

             DOC_END:
               match: cb_end_document_empty
               EOL: {  }
             DOC_START:
               match: cb_doc_start_explicit
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }
             YAML_DIRECTIVE:
               match: cb_set_yaml_version_directive
               EOL: { new: DIRECTIVE }
               WS: { new: DIRECTIVE }
             RESERVED_DIRECTIVE:
               match: cb_reserved_directive
               EOL: { new: DIRECTIVE }
               WS: { new: DIRECTIVE }
             TAG_DIRECTIVE:
               match: cb_tag_directive
               EOL: { new: DIRECTIVE }
               WS: { new: DIRECTIVE }

             EOL:
               new: STREAM

             DEFAULT:
               match: cb_doc_start_implicit
               new: FULLNODE

           DIRECTIVE:
             DOC_START:
               match: cb_doc_start_explicit
               EOL: { new: FULLNODE }
               WS: { new: FULLNODE }

             YAML_DIRECTIVE:
               match: cb_set_yaml_version_directive
               EOL: { new: DIRECTIVE }
               WS: { new: DIRECTIVE }
             RESERVED_DIRECTIVE:
               match: cb_reserved_directive
               EOL: { new: DIRECTIVE }
               WS: { new: DIRECTIVE }
             TAG_DIRECTIVE:
               match: cb_tag_directive
               EOL: { new: DIRECTIVE }
               WS: { new: DIRECTIVE }

             EOL:
               new: DIRECTIVE


           # END OF YAML INLINE

perl v5.38.2                      2024-02-14              YAML::PP::Grammar(3)