Mercurial > dropbear
view tombc/grammar.txt @ 283:bd240aa12ba7 libtommath-dropbear
* Changes imported from Dropbear 0.47.
* bn_mp_clear.c is changed so that some vars are volatile,
so that the compiler won't optimise away
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Wed, 08 Mar 2006 13:22:52 +0000 |
| parents | 91fbc376f010 |
| children |
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program := program statement | statement | empty statement := { statement } | identifier = numexpression; | identifier[numexpression] = numexpression; | function(expressionlist); | for (identifer = numexpression; numexpression; identifier = numexpression) { statement } | while (numexpression) { statement } | if (numexpresion) { statement } elif | break; | continue; elif := else statement | empty function := abs | countbits | exptmod | jacobi | print | isprime | nextprime | issquare | readinteger | exit expressionlist := expressionlist, expression | expression // LR(1) !!!? expression := string | numexpression numexpression := cmpexpr && cmpexpr | cmpexpr \|\| cmpexpr | cmpexpr cmpexpr := boolexpr < boolexpr | boolexpr > boolexpr | boolexpr == boolexpr | boolexpr <= boolexpr | boolexpr >= boolexpr | boolexpr boolexpr := shiftexpr & shiftexpr | shiftexpr ^ shiftexpr | shiftexpr \| shiftexpr | shiftexpr shiftexpr := addsubexpr << addsubexpr | addsubexpr >> addsubexpr | addsubexpr addsubexpr := mulexpr + mulexpr | mulexpr - mulexpr | mulexpr mulexpr := expr * expr | expr / expr | expr % expr | expr expr := -nexpr | nexpr nexpr := integer | identifier | ( numexpression ) | identifier[numexpression] identifier := identifer digits | identifier alpha | alpha alpha := a ... z | A ... Z integer := hexnumber | digits hexnumber := 0xhexdigits hexdigits := hexdigits hexdigit | hexdigit hexdigit := 0 ... 9 | a ... f | A ... F digits := digits digit | digit digit := 0 ... 9