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[script] add 2 new operators

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- Str : Int ->  works like py's [Int:]
- Str - Int -> subtracts x amount of characters from the end of the string
This commit is contained in:
suchmememanyskill 2020-12-31 21:20:48 +01:00
parent 95d4f2bbeb
commit a39b3b2460
3 changed files with 33 additions and 1 deletions
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32
source/script/args.c
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@ -344,6 +344,36 @@ Variable_t solveEquation(scriptCtx_t* ctx, lexarToken_t* tokens, u32 len, u8 sho
}
}
}
else if (res.varType == StringType && val.varType == IntType){
if (localOpToken == Minus){
u32 resLen = strlen(res.stringType);
if (resLen < val.integerType)
return ErrValue(ERRSYNTAX);
char *temp = malloc(resLen - val.integerType + 1);
memcpy(temp, res.stringType, resLen - val.integerType);
temp[resLen - val.integerType] = 0;
freeVariable(res);
res.stringType = temp;
res.free = 1;
}
ELIFT(Selector){
u32 resLen = strlen(res.stringType);
if (resLen < val.integerType)
return ErrValue(ERRSYNTAX);
char *temp = malloc(resLen - val.integerType + 1);
memcpy(temp, res.stringType + val.integerType, resLen - val.integerType);
temp[resLen - val.integerType] = 0;
freeVariable(res);
res.stringType = temp;
res.free = 1;
}
else
return ErrValue(ERRBADOPERATOR);
}
else
return ErrValue(ERRBADOPERATOR);
}
@ -351,7 +381,7 @@ Variable_t solveEquation(scriptCtx_t* ctx, lexarToken_t* tokens, u32 len, u8 sho
res = val;
}
}
else if (tokens[i].token >= Plus && tokens[i].token <= OR) {
else if (tokens[i].token >= Plus && tokens[i].token <= Selector) {
lastToken = tokens[i].token;
}
}

1
source/script/lexer.c
View file

@ -39,6 +39,7 @@ lexarTranslation_t lexarTranslations[] = {
{'<', Smaller},
{'>', Bigger},
{'!', Not},
{':', Selector},
{')', RBracket},
{']', RSBracket},
{'(', LBracket},

1
source/script/types.h
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@ -37,6 +37,7 @@ enum Tokens {
RSBracket,
AND,
OR,
Selector,
EquationSeperator,
};