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Bug 1021714 part 4 - Some date_parseISOString cleanup. r=njn

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--HG--
extra : rebase_source : 4ab27793d02767c461305d43aa4863c06fbf14c9
This commit is contained in:
Jan de Mooij 2014-06-10 11:19:28 +02:00
parent d5ca51d7c5
commit 6779ebc747
1 changed files with 18 additions and 29 deletions
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47
js/src/jsdate.cpp
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@ -772,10 +772,6 @@ DaysInMonth(int year, int month)
static bool
date_parseISOString(JSLinearString *str, double *result, DateTimeInfo *dtInfo)
{
double msec;
const jschar *s;
size_t limit;
size_t i = 0;
int tzMul = 1;
int dateMul = 1;
@ -792,9 +788,9 @@ date_parseISOString(JSLinearString *str, double *result, DateTimeInfo *dtInfo)
#define PEEK(ch) (i < limit && s[i] == ch)
#define NEED(ch) \
JS_BEGIN_MACRO \
if (i >= limit || s[i] != ch) { goto syntax; } else { ++i; } \
#define NEED(ch) \
JS_BEGIN_MACRO \
if (i >= limit || s[i] != ch) { return false; } else { ++i; } \
JS_END_MACRO
#define DONE_DATE_UNLESS(ch) \
@ -809,11 +805,11 @@ date_parseISOString(JSLinearString *str, double *result, DateTimeInfo *dtInfo)
#define NEED_NDIGITS(n, field) \
JS_BEGIN_MACRO \
if (!ndigits(n, &field, s, &i, limit)) { goto syntax; } \
if (!ndigits(n, &field, s, &i, limit)) { return false; } \
JS_END_MACRO
s = str->chars();
limit = str->length();
const jschar *s = str->chars();
size_t limit = str->length();
if (PEEK('+') || PEEK('-')) {
if (PEEK('-'))
@ -840,7 +836,7 @@ date_parseISOString(JSLinearString *str, double *result, DateTimeInfo *dtInfo)
if (PEEK('.')) {
++i;
if (!fractional(&frac, s, &i, limit))
goto syntax;
return false;
}
}
@ -856,7 +852,7 @@ date_parseISOString(JSLinearString *str, double *result, DateTimeInfo *dtInfo)
* allow "-0700" as a time zone offset, not just "-07:00".
*/
if (PEEK(':'))
++i;
++i;
NEED_NDIGITS(2, tzMin);
} else {
isLocalTime = true;
@ -872,36 +868,29 @@ date_parseISOString(JSLinearString *str, double *result, DateTimeInfo *dtInfo)
|| sec > 59
|| tzHour > 23
|| tzMin > 59)
goto syntax;
{
return false;
}
if (i != limit)
goto syntax;
return false;
month -= 1; /* convert month to 0-based */
msec = date_msecFromDate(dateMul * (double)year, month, day,
hour, min, sec,
frac * 1000.0);;
double msec = date_msecFromDate(dateMul * double(year), month, day,
hour, min, sec, frac * 1000.0);
if (isLocalTime) {
if (isLocalTime)
msec = UTC(msec, dtInfo);
} else {
msec -= ((tzMul) * ((tzHour * msPerHour)
+ (tzMin * msPerMinute)));
}
else
msec -= tzMul * (tzHour * msPerHour + tzMin * msPerMinute);
if (msec < -8.64e15 || msec > 8.64e15)
goto syntax;
return false;
*result = msec;
return true;
syntax:
/* syntax error */
*result = 0;
return false;
#undef PEEK
#undef NEED
#undef DONE_UNLESS