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jscript: Properly parse large hexadecimal listerals.

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Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2018-04-11 19:36:11 +02:00 committed by Alexandre Julliard
parent f96aa1f32c
commit 4fde6d4138
2 changed files with 7 additions and 4 deletions
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8
dlls/jscript/lex.c
View file

@ -487,18 +487,18 @@ static BOOL parse_numeric_literal(parser_ctx_t *ctx, double *ret)
HRESULT hres;
if(*ctx->ptr == '0') {
LONG d, l = 0;
ctx->ptr++;
if(*ctx->ptr == 'x' || *ctx->ptr == 'X') {
double r = 0;
int d;
if(++ctx->ptr == ctx->end) {
ERR("unexpected end of file\n");
return FALSE;
}
while(ctx->ptr < ctx->end && (d = hex_to_int(*ctx->ptr)) != -1) {
l = l*16 + d;
r = r*16 + d;
ctx->ptr++;
}
@ -508,7 +508,7 @@ static BOOL parse_numeric_literal(parser_ctx_t *ctx, double *ret)
return FALSE;
}
*ret = l;
*ret = r;
return TRUE;
}

3
dlls/jscript/tests/lang.js
View file

@ -48,6 +48,9 @@ tmp = 07777777777777777777777;
ok(typeof(tmp) === "number" && tmp > 0xffffffff, "tmp = " + tmp);
tmp = 07777777779777777777777;
ok(typeof(tmp) === "number" && tmp > 0xffffffff, "tmp = " + tmp);
ok(0xffffffff === 4294967295, "0xffffffff = " + 0xffffffff);
tmp = 0x10000000000000000000000000000000000000000000000000000000000000000;
ok(tmp === Math.pow(2, 256), "0x1000...00 != 2^256");
ok(1 !== 2, "1 !== 2 is false");
ok(null !== undefined, "null !== undefined is false");