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tree-sitter-ledger.ebnf
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//
// From tree-sitter-ledger/src/grammar.json
//
//
// EBNF to generate railroad diagram at
// (IPV6) https://www.bottlecaps.de/rr/ui
// (IPV4) https://rr.red-dove.com/ui
//
source_file ::=
( journal_item | '\n' )*
journal_item ::=
comment
| block_comment
| test
| directive
| xact
comment ::=
( ( ';' | '#' | '%' | '|' | '*' ) '.'*'#x0A' )
block_comment ::=
'comment' ( whitespace '.'* )? '\n' ( ( whitespace? '.'* )? '\n' )* ( 'end' | 'end comment' | 'end' '.'* )
test ::=
'test' ( whitespace '.'* )? '\n' ( ( whitespace? '.'* )? '\n' )* ( 'end' | 'end test' | 'end' '.'* )
option ::=
( '-' | '--' ) [^ =#x0A]+ ( ( whitespace | '=' ) option_value )? '\n'
option_value ::=
'.'+
indented_line ::=
whitespace [^#x0A]+'#x0A'
directive ::=
option
| account_directive
| commodity_directive
| tag_directive
| word_directive '\n'
| char_directive '\n'
account_directive ::=
'account' whitespace account '\n' account_subdirective*
account_subdirective ::=
alias_subdirective
| default_subdirective
| note_subdirective
| assert_subdirective
| check_subdirective
| whitespace 'eval' whitespace '.'+'#x0A'
| whitespace 'payee' whitespace '.'+'#x0A'
commodity_directive ::=
'commodity' whitespace commodity '\n' commodity_subdirective*
commodity_subdirective ::=
alias_subdirective
| default_subdirective
| format_subdirective
| note_subdirective
| whitespace 'nomarket' '\n'
tag_directive ::=
'tag' whitespace '\p{L}'+'#x0A' ( assert_subdirective | check_subdirective )*
word_directive ::=
'include' whitespace filename
| 'end'
| 'alias' whitespace [^=]+ '=' '.'+
| 'def' whitespace '.'+
| 'year' whitespace [0-9]'{4}'
| 'bucket' whitespace account
filename ::=
'.'+
char_directive ::=
check_in
| check_out
| 'A' whitespace account
| 'Y' whitespace [0-9]'{4}'
| 'N' whitespace commodity
| 'D' whitespace amount
| 'C' whitespace commodity whitespace? '=' whitespace? amount
| 'P' whitespace date whitespace commodity whitespace? amount
alias_subdirective ::=
whitespace 'alias' whitespace '.'+'#x0A'
default_subdirective ::=
whitespace 'default' '\n'
format_subdirective ::=
whitespace 'format' whitespace amount
note_subdirective ::=
whitespace 'note' whitespace '.'+'#x0A'
assert_subdirective ::=
whitespace 'assert' whitespace '.'+'#x0A'
check_subdirective ::=
whitespace 'check' whitespace '.'+'#x0A'
check_in ::=
( 'i' | 'I' ) whitespace? date whitespace? time whitespace? account ( spacer whitespace? payee )?
check_out ::=
( 'o' | 'O' ) whitespace? date whitespace? time
xact ::=
plain_xact
| periodic_xact
| automated_xact
plain_xact ::=
_xact_date ( whitespace status )? ( whitespace code )? ( whitespace payee )? ( note | '\n' ) ( posting | whitespace note '\n' )+
periodic_xact ::=
'~' whitespace interval ( note | '\n' ) ( posting | whitespace note '\n' )+
interval ::=
[eE][vV][eE][rR][yY][ ][dD][aA][yY]
| [eE][vV][eE][rR][yY][ ][wW][eE][eE][kK]
| [eE][vV][eE][rR][yY][ ][mM][oO][nN][tT][hH]
| [eE][vV][eE][rR][yY][ ][qQ][uU][aA][rR][tT][eE][rR]
| [eE][vV][eE][rR][yY][ ][yY][eE][aA][rR]
| [eE][vV][eE][rR][yY]' '[0-9]+' '[dD][aA][yY][sS]
| [eE][vV][eE][rR][yY]' '[0-9]+' '[wW][eE][eE][kK][sS]
| [eE][vV][eE][rR][yY]' '[0-9]+' '[mM][oO][nN][tT][hH][sS]
| [eE][vV][eE][rR][yY]' '[0-9]+' '[qQ][uU][aA][rR][tT][eE][rR][sS]
| [eE][vV][eE][rR][yY]' '[0-9]+' '[yY][eE][aA][rR][sS]
| [dD][aA][iI][lL][yY]
| [wW][eE][eE][kK][lL][yY]
| [bB][iI][wW][eE][eE][kK][lL][yY]
| [mM][oO][nN][tT][hH][lL][yY]
| [bB][iI][mM][oO][nN][tT][hH][lL][yY]
| [qQ][uU][aA][rR][tT][eE][rR][lL][yY]
| [yY][eE][aA][rR][lL][yY]
automated_xact ::=
'=' whitespace query ( note | '\n' ) ( posting | whitespace note '\n' )+
_xact_date ::=
date effective_date?
date ::=
_single_date
effective_date ::=
'=' _single_date
_dsep ::=
[-.\/]
_2d ::=
[0-9]'{1,2}'
_4d ::=
[0-9]'{4}'
_single_date ::=
_4d _dsep _2d _dsep _2d
| _2d _dsep _2d _dsep _2d
| _2d _dsep _2d
time ::=
[0-9]'{2}:'[0-9]'{2}:'[0-9]'{2}'
status ::=
'*'
| '!'
code ::=
'(' [^)]* ')'
payee ::=
[^(*!#x0A][^*!#x0A]*
query ::=
[^#x0A]+
note ::=
';' whitespace ( '[' effective_date ']' | [^#x5B][^=#x0A]* )
posting ::=
whitespace ( status whitespace? )? account ( spacer ( whitespace? amount )? ( whitespace? price )? ( whitespace? balance_assertion )? ( whitespace? note )? )? '\n'
account ::=
( account_name | '(' account_name ')' | '[' account_name ']' )
account_name ::=
[^ ;]('\S \S'|'\S')*
amount ::=
quantity
| negative_quantity
| ( quantity | negative_quantity ) whitespace? commodity
| commodity whitespace? ( quantity | negative_quantity )
_quantity ::=
[0-9]([0-9., ]*[0-9])?
quantity ::=
'+'? _quantity
negative_quantity ::=
'-' _quantity
commodity ::=
'\p{L}'+
| '\p{Sc}'
| '"'[^"#x0A]*'"'
price ::=
( '@' | '@@' ) whitespace? amount
balance_assertion ::=
'=' whitespace? ( amount )
whitespace ::=
( ' ' | '\t' )+
spacer ::=
' '
| '\t'
| ' \t'