diff options
Diffstat (limited to 'vendor/gopkg.in/yaml.v3/parserc.go')
| -rw-r--r-- | vendor/gopkg.in/yaml.v3/parserc.go | 48 |
1 files changed, 34 insertions, 14 deletions
diff --git a/vendor/gopkg.in/yaml.v3/parserc.go b/vendor/gopkg.in/yaml.v3/parserc.go index aea9050b8..ac66fccc0 100644 --- a/vendor/gopkg.in/yaml.v3/parserc.go +++ b/vendor/gopkg.in/yaml.v3/parserc.go @@ -648,6 +648,10 @@ func yaml_parser_parse_node(parser *yaml_parser_t, event *yaml_event_t, block, i implicit: implicit, style: yaml_style_t(yaml_BLOCK_MAPPING_STYLE), } + if parser.stem_comment != nil { + event.head_comment = parser.stem_comment + parser.stem_comment = nil + } return true } if len(anchor) > 0 || len(tag) > 0 { @@ -694,25 +698,13 @@ func yaml_parser_parse_block_sequence_entry(parser *yaml_parser_t, event *yaml_e if token.typ == yaml_BLOCK_ENTRY_TOKEN { mark := token.end_mark - prior_head := len(parser.head_comment) + prior_head_len := len(parser.head_comment) skip_token(parser) + yaml_parser_split_stem_comment(parser, prior_head_len) token = peek_token(parser) if token == nil { return false } - if prior_head > 0 && token.typ == yaml_BLOCK_SEQUENCE_START_TOKEN { - // [Go] It's a sequence under a sequence entry, so the former head comment - // is for the list itself, not the first list item under it. - parser.stem_comment = parser.head_comment[:prior_head] - if len(parser.head_comment) == prior_head { - parser.head_comment = nil - } else { - // Copy suffix to prevent very strange bugs if someone ever appends - // further bytes to the prefix in the stem_comment slice above. - parser.head_comment = append([]byte(nil), parser.head_comment[prior_head+1:]...) - } - - } if token.typ != yaml_BLOCK_ENTRY_TOKEN && token.typ != yaml_BLOCK_END_TOKEN { parser.states = append(parser.states, yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE) return yaml_parser_parse_node(parser, event, true, false) @@ -754,7 +746,9 @@ func yaml_parser_parse_indentless_sequence_entry(parser *yaml_parser_t, event *y if token.typ == yaml_BLOCK_ENTRY_TOKEN { mark := token.end_mark + prior_head_len := len(parser.head_comment) skip_token(parser) + yaml_parser_split_stem_comment(parser, prior_head_len) token = peek_token(parser) if token == nil { return false @@ -780,6 +774,32 @@ func yaml_parser_parse_indentless_sequence_entry(parser *yaml_parser_t, event *y return true } +// Split stem comment from head comment. +// +// When a sequence or map is found under a sequence entry, the former head comment +// is assigned to the underlying sequence or map as a whole, not the individual +// sequence or map entry as would be expected otherwise. To handle this case the +// previous head comment is moved aside as the stem comment. +func yaml_parser_split_stem_comment(parser *yaml_parser_t, stem_len int) { + if stem_len == 0 { + return + } + + token := peek_token(parser) + if token.typ != yaml_BLOCK_SEQUENCE_START_TOKEN && token.typ != yaml_BLOCK_MAPPING_START_TOKEN { + return + } + + parser.stem_comment = parser.head_comment[:stem_len] + if len(parser.head_comment) == stem_len { + parser.head_comment = nil + } else { + // Copy suffix to prevent very strange bugs if someone ever appends + // further bytes to the prefix in the stem_comment slice above. + parser.head_comment = append([]byte(nil), parser.head_comment[stem_len+1:]...) + } +} + // Parse the productions: // block_mapping ::= BLOCK-MAPPING_START // ******************* |