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Melchior found a bug with negative values in default function arguments

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andy 2007-04-06 20:35:38 +00:00
parent dcb3da9f28
commit 436539a700
1 changed files with 9 additions and 0 deletions
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9
simgear/nasal/codegen.c
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@ -152,6 +152,15 @@ static void genEqOp(int op, struct Parser* p, struct Token* t)
static int defArg(struct Parser* p, struct Token* t)
{
if(t->type == TOK_LPAR) return defArg(p, RIGHT(t));
if(t->type == TOK_MINUS && RIGHT(t) &&
RIGHT(t)->type == TOK_LITERAL && !RIGHT(t)->str)
{
/* default arguments are constants, but "-1" parses as two
* tokens, so we have to subset the expression generator for that
* case */
RIGHT(t)->num *= -1;
return defArg(p, RIGHT(t));
}
return findConstantIndex(p, t);
}