Currency needs two characters in v2.
/* Currencies.
*
* A currency (or sometimes called "commodities") is a string which
* - Begins with either a letter or a slash (/) character.
* - Contains at least one letter.
* - Ends with either a letter or a number.
* - May contain the following special characters within: period (.),
* underscore (_), dash (-), or quote (').
* The pattern has to be kept in sync with
beancount.core.amount.CURRENCY_RE.
*
* In Beancount v3 (C++ version), a single character (e.g. "V" for Visa)
is a
* valid currency. v2 uses the GNU flex scanner which does not have the
* lookahead capability required to make this possible but the v3 C++
scanner
* uses Genivia's RE-Flex which supports a lookahead and it will.
*
* Example currencies:
* "AAPL" (stock)
* "V" (single-character stock)
* "NT.TO" (stock on another market)
* "TLT_040921C144" (equity option)
* "/6J" (currency futures)
* "/NQH21" (commodity futures)
* "/NQH21_QNEG21C13100" (futures option)
*
* Counter-examples:
* - "/6.3": If a currency begins with a slash, the following pattern has
to
* include at least one letter. "/6J" is a valid currency, but "/6.3" is
not.
* - "CAC_": A currency cannot end with a special character; it has to end
with
* either an uppercase letter or a number ("C345" is a valid currency,
but
* "C_" is not).
*
* Note: In this scanner we locate the rule above that matching SLASH on
* purpose so that a name starting with '/' for a futures contract will
match
* with higher priority than that matching a divide '/' character.
*
* Keep in sync with {edefe3fbe907}.
*/
[A-Z][A-Z0-9\'\.\_\-]*[A-Z0-9] {
return TOKEN(CURRENCY, yytext, yyleng);
}
\/[A-Z0-9\'\.\_\-]*[A-Z]([A-Z0-9\'\.\_\-]*[A-Z0-9])? {
return TOKEN(CURRENCY, yytext, yyleng);
}
On Fri, Oct 21, 2022 at 10:37 PM Kevet Duncombe <[email protected]>
wrote:
> I created a short test file reading:
>
> 1970-01-01 commodity T
> name: "AT&T INC"
> kind: "STOCK"
> category: "LARGE"
> cusip: "00206R102"
>
> 1970-01-01 open Assets:Schwab:Equities:T T
> 1970-01-01 open Assets:Schwab:Cash USD
>
> 2011-02-19 * "Buy 100 T"
> Assets:Schwab:Equities:T 100 T {28.4575}
> Assets:Schwab:Cash -2845.75 USD
>
> Running bean-check on it says:
>
> .../test.bean:1: syntax error, unexpected FLAG, expecting CURRENCY
>
> .../test.bean:7: syntax error, unexpected FLAG, expecting end of
> file or EOL
>
> .../test.bean:11: syntax error, unexpected FLAG, expecting end of
> file or EOL or ATAT or AT
>
> Can someone tell me what I'm misunderstanding? Thanks
>
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