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annotate libtommath/tombc/grammar.txt @ 1629:258b57b208ae

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Fix for issue successfull login of disabled user (#78) This commit introduces fix for scenario: 1. Root login disabled on dropbear 2. PAM authentication model enabled While login as root user, after prompt for password user is being notified about login failrue, but after second attempt of prompt for password within same session, login becames succesfull. Signed-off-by: Pawel Rapkiewicz <[email protected]>
author vincentto13 <33652988+vincentto13@users.noreply.github.com>
date Wed, 20 Mar 2019 15:03:40 +0100
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