Mercurial > dropbear

annotate libtommath/tombc/grammar.txt @ 1156:a8f4dade70e5

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avoid getpass when not used some systems (like android's bionic) do not provide getpass. you can disable ENABLE_CLI_PASSWORD_AUTH & ENABLE_CLI_INTERACT_AUTH to avoid its use (and rely on pubkey auth), but the link still fails because the support file calls getpass. do not define this func if both of those auth methods are not used.
author Mike Frysinger <vapier@gentoo.org>
date Wed, 21 Oct 2015 22:39:55 +0800
parents eed26cff980b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 program := program statement | statement | empty
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2 statement := { statement } |
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3 identifier = numexpression; |
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4 identifier[numexpression] = numexpression; |
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5 function(expressionlist); |
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6 for (identifer = numexpression; numexpression; identifier = numexpression) { statement } |
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7 while (numexpression) { statement } |
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8 if (numexpresion) { statement } elif |
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9 break; |
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10 continue;
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11
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12 elif := else statement | empty
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13 function := abs | countbits | exptmod | jacobi | print | isprime | nextprime | issquare | readinteger | exit
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14 expressionlist := expressionlist, expression | expression
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15
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16 // LR(1) !!!?
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17 expression := string | numexpression
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18 numexpression := cmpexpr && cmpexpr | cmpexpr \|\| cmpexpr | cmpexpr
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19 cmpexpr := boolexpr < boolexpr | boolexpr > boolexpr | boolexpr == boolexpr |
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20 boolexpr <= boolexpr | boolexpr >= boolexpr | boolexpr
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21 boolexpr := shiftexpr & shiftexpr | shiftexpr ^ shiftexpr | shiftexpr \| shiftexpr | shiftexpr
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22 shiftexpr := addsubexpr << addsubexpr | addsubexpr >> addsubexpr | addsubexpr
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23 addsubexpr := mulexpr + mulexpr | mulexpr - mulexpr | mulexpr
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24 mulexpr := expr * expr | expr / expr | expr % expr | expr
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25 expr := -nexpr | nexpr
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26 nexpr := integer | identifier | ( numexpression ) | identifier[numexpression]
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27
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28 identifier := identifer digits | identifier alpha | alpha
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29 alpha := a ... z | A ... Z
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30 integer := hexnumber | digits
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31 hexnumber := 0xhexdigits
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32 hexdigits := hexdigits hexdigit | hexdigit
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33 hexdigit := 0 ... 9 | a ... f | A ... F
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34 digits := digits digit | digit
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35 digit := 0 ... 9