'gcc': {
'all': {
'WARNINGFLAGS': ['-Wall',
- '-Werror',
'-W',
'-Wno-unused-parameter',
'-Wnon-virtual-dtor']
+++ /dev/null
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// This file relies on the fact that the following declarations have been made
-// in v8natives.js:
-// const $isFinite = GlobalIsFinite;
-
-// -------------------------------------------------------------------
-
-// This file contains date support implemented in JavaScript.
-
-
-// Keep reference to original values of some global properties. This
-// has the added benefit that the code in this file is isolated from
-// changes to these properties.
-const $Date = global.Date;
-
-// Helper function to throw error.
-function ThrowDateTypeError() {
- throw new $TypeError('this is not a Date object.');
-}
-
-// ECMA 262 - 5.2
-function Modulo(value, remainder) {
- var mod = value % remainder;
- // Guard against returning -0.
- if (mod == 0) return 0;
- return mod >= 0 ? mod : mod + remainder;
-}
-
-
-function TimeWithinDay(time) {
- return Modulo(time, msPerDay);
-}
-
-
-// ECMA 262 - 15.9.1.3
-function DaysInYear(year) {
- if (year % 4 != 0) return 365;
- if ((year % 100 == 0) && (year % 400 != 0)) return 365;
- return 366;
-}
-
-
-function DayFromYear(year) {
- return 365 * (year-1970)
- + FLOOR((year-1969)/4)
- - FLOOR((year-1901)/100)
- + FLOOR((year-1601)/400);
-}
-
-
-function TimeFromYear(year) {
- return msPerDay * DayFromYear(year);
-}
-
-
-function InLeapYear(time) {
- return DaysInYear(YEAR_FROM_TIME(time)) == 366 ? 1 : 0;
-}
-
-
-function DayWithinYear(time) {
- return DAY(time) - DayFromYear(YEAR_FROM_TIME(time));
-}
-
-
-// ECMA 262 - 15.9.1.9
-function EquivalentYear(year) {
- // Returns an equivalent year in the range [2008-2035] matching
- // - leap year.
- // - week day of first day.
- var time = TimeFromYear(year);
- var recent_year = (InLeapYear(time) == 0 ? 1967 : 1956) +
- (WeekDay(time) * 12) % 28;
- // Find the year in the range 2008..2037 that is equivalent mod 28.
- // Add 3*28 to give a positive argument to the modulus operator.
- return 2008 + (recent_year + 3*28 - 2008) % 28;
-}
-
-
-function EquivalentTime(t) {
- // The issue here is that some library calls don't work right for dates
- // that cannot be represented using a non-negative signed 32 bit integer
- // (measured in whole seconds based on the 1970 epoch).
- // We solve this by mapping the time to a year with same leap-year-ness
- // and same starting day for the year. The ECMAscript specification says
- // we must do this, but for compatibility with other browsers, we use
- // the actual year if it is in the range 1970..2037
- if (t >= 0 && t <= 2.1e12) return t;
-
- var day = MakeDay(EquivalentYear(YEAR_FROM_TIME(t)),
- MONTH_FROM_TIME(t),
- DATE_FROM_TIME(t));
- return MakeDate(day, TimeWithinDay(t));
-}
-
-
-// Because computing the DST offset is a pretty expensive operation
-// we keep a cache of last computed offset along with a time interval
-// where we know the cache is valid.
-var DST_offset_cache = {
- // Cached DST offset.
- offset: 0,
- // Time interval where the cached offset is valid.
- start: 0, end: -1,
- // Size of next interval expansion.
- increment: 0
-};
-
-
-// NOTE: The implementation relies on the fact that no time zones have
-// more than one daylight savings offset change per month.
-// If this function is called with NaN it returns NaN.
-function DaylightSavingsOffset(t) {
- // Load the cache object from the builtins object.
- var cache = DST_offset_cache;
-
- // Cache the start and the end in local variables for fast access.
- var start = cache.start;
- var end = cache.end;
-
- if (start <= t) {
- // If the time fits in the cached interval, return the cached offset.
- if (t <= end) return cache.offset;
-
- // Compute a possible new interval end.
- var new_end = end + cache.increment;
-
- if (t <= new_end) {
- var end_offset = %DateDaylightSavingsOffset(EquivalentTime(new_end));
- if (cache.offset == end_offset) {
- // If the offset at the end of the new interval still matches
- // the offset in the cache, we grow the cached time interval
- // and return the offset.
- cache.end = new_end;
- cache.increment = msPerMonth;
- return end_offset;
- } else {
- var offset = %DateDaylightSavingsOffset(EquivalentTime(t));
- if (offset == end_offset) {
- // The offset at the given time is equal to the offset at the
- // new end of the interval, so that means that we've just skipped
- // the point in time where the DST offset change occurred. Updated
- // the interval to reflect this and reset the increment.
- cache.start = t;
- cache.end = new_end;
- cache.increment = msPerMonth;
- } else {
- // The interval contains a DST offset change and the given time is
- // before it. Adjust the increment to avoid a linear search for
- // the offset change point and change the end of the interval.
- cache.increment /= 3;
- cache.end = t;
- }
- // Update the offset in the cache and return it.
- cache.offset = offset;
- return offset;
- }
- }
- }
-
- // Compute the DST offset for the time and shrink the cache interval
- // to only contain the time. This allows fast repeated DST offset
- // computations for the same time.
- var offset = %DateDaylightSavingsOffset(EquivalentTime(t));
- cache.offset = offset;
- cache.start = cache.end = t;
- cache.increment = msPerMonth;
- return offset;
-}
-
-
-var timezone_cache_time = $NaN;
-var timezone_cache_timezone;
-
-function LocalTimezone(t) {
- if (NUMBER_IS_NAN(t)) return "";
- if (t == timezone_cache_time) {
- return timezone_cache_timezone;
- }
- var timezone = %DateLocalTimezone(EquivalentTime(t));
- timezone_cache_time = t;
- timezone_cache_timezone = timezone;
- return timezone;
-}
-
-
-function WeekDay(time) {
- return Modulo(DAY(time) + 4, 7);
-}
-
-var local_time_offset = %DateLocalTimeOffset();
-
-function LocalTime(time) {
- if (NUMBER_IS_NAN(time)) return time;
- return time + local_time_offset + DaylightSavingsOffset(time);
-}
-
-function LocalTimeNoCheck(time) {
- // Inline the DST offset cache checks for speed.
- var cache = DST_offset_cache;
- if (cache.start <= time && time <= cache.end) {
- var dst_offset = cache.offset;
- } else {
- var dst_offset = DaylightSavingsOffset(time);
- }
- return time + local_time_offset + dst_offset;
-}
-
-
-function UTC(time) {
- if (NUMBER_IS_NAN(time)) return time;
- var tmp = time - local_time_offset;
- return tmp - DaylightSavingsOffset(tmp);
-}
-
-
-// ECMA 262 - 15.9.1.11
-function MakeTime(hour, min, sec, ms) {
- if (!$isFinite(hour)) return $NaN;
- if (!$isFinite(min)) return $NaN;
- if (!$isFinite(sec)) return $NaN;
- if (!$isFinite(ms)) return $NaN;
- return TO_INTEGER(hour) * msPerHour
- + TO_INTEGER(min) * msPerMinute
- + TO_INTEGER(sec) * msPerSecond
- + TO_INTEGER(ms);
-}
-
-
-// ECMA 262 - 15.9.1.12
-function TimeInYear(year) {
- return DaysInYear(year) * msPerDay;
-}
-
-
-var ymd_from_time_cache = [$NaN, $NaN, $NaN];
-var ymd_from_time_cached_time = $NaN;
-
-function YearFromTime(t) {
- if (t !== ymd_from_time_cached_time) {
- // Limits according to ECMA 262 15.9.1.1
- if (!$isFinite(t) || t < -8640000000000000 || t > 8640000000000000) {
- return $NaN;
- }
-
- %DateYMDFromTime(t, ymd_from_time_cache);
- ymd_from_time_cached_time = t
- }
-
- return ymd_from_time_cache[0];
-}
-
-function MonthFromTime(t) {
- if (t !== ymd_from_time_cached_time) {
- // Limits according to ECMA 262 15.9.1.1
- if (!$isFinite(t) || t < -8640000000000000 || t > 8640000000000000) {
- return $NaN;
- }
- %DateYMDFromTime(t, ymd_from_time_cache);
- ymd_from_time_cached_time = t
- }
-
- return ymd_from_time_cache[1];
-}
-
-function DateFromTime(t) {
- if (t !== ymd_from_time_cached_time) {
- // Limits according to ECMA 262 15.9.1.1
- if (!$isFinite(t) || t < -8640000000000000 || t > 8640000000000000) {
- return $NaN;
- }
-
- %DateYMDFromTime(t, ymd_from_time_cache);
- ymd_from_time_cached_time = t
- }
-
- return ymd_from_time_cache[2];
-}
-
-
-// Compute number of days given a year, month, date.
-// Note that month and date can lie outside the normal range.
-// For example:
-// MakeDay(2007, -4, 20) --> MakeDay(2006, 8, 20)
-// MakeDay(2007, -33, 1) --> MakeDay(2004, 3, 1)
-// MakeDay(2007, 14, -50) --> MakeDay(2007, 8, 11)
-function MakeDay(year, month, date) {
- if (!$isFinite(year) || !$isFinite(month) || !$isFinite(date)) return $NaN;
-
- year = TO_INTEGER(year);
- month = TO_INTEGER(month);
- date = TO_INTEGER(date);
-
- if (year < kMinYear || year > kMaxYear ||
- month < kMinMonth || month > kMaxMonth ||
- date < kMinDate || date > kMaxDate) {
- return $NaN;
- }
-
- // Now we rely on year, month and date being SMIs.
- return %DateMakeDay(year, month, date);
-}
-
-
-// ECMA 262 - 15.9.1.13
-function MakeDate(day, time) {
- if (!$isFinite(day)) return $NaN;
- if (!$isFinite(time)) return $NaN;
- return day * msPerDay + time;
-}
-
-
-// ECMA 262 - 15.9.1.14
-function TimeClip(time) {
- if (!$isFinite(time)) return $NaN;
- if ($abs(time) > 8.64E15) return $NaN;
- return TO_INTEGER(time);
-}
-
-
-// The Date cache is used to limit the cost of parsing the same Date
-// strings over and over again.
-var Date_cache = {
- // Cached time value.
- time: $NaN,
- // Cached year when interpreting the time as a local time. Only
- // valid when the time matches cached time.
- year: $NaN,
- // String input for which the cached time is valid.
- string: null
-};
-
-
-%SetCode($Date, function(year, month, date, hours, minutes, seconds, ms) {
- if (!%_IsConstructCall()) {
- // ECMA 262 - 15.9.2
- return (new $Date()).toString();
- }
-
- // ECMA 262 - 15.9.3
- var argc = %_ArgumentsLength();
- var value;
- if (argc == 0) {
- value = %DateCurrentTime();
-
- } else if (argc == 1) {
- if (IS_NUMBER(year)) {
- value = TimeClip(year);
-
- } else if (IS_STRING(year)) {
- // Probe the Date cache. If we already have a time value for the
- // given time, we re-use that instead of parsing the string again.
- var cache = Date_cache;
- if (cache.string === year) {
- value = cache.time;
- } else {
- value = DateParse(year);
- if (!NUMBER_IS_NAN(value)) {
- cache.time = value;
- cache.year = YEAR_FROM_TIME(LocalTimeNoCheck(value));
- cache.string = year;
- }
- }
-
- } else {
- // According to ECMA 262, no hint should be given for this
- // conversion. However, ToPrimitive defaults to STRING_HINT for
- // Date objects which will lose precision when the Date
- // constructor is called with another Date object as its
- // argument. We therefore use NUMBER_HINT for the conversion,
- // which is the default for everything else than Date objects.
- // This makes us behave like KJS and SpiderMonkey.
- var time = ToPrimitive(year, NUMBER_HINT);
- value = IS_STRING(time) ? DateParse(time) : TimeClip(ToNumber(time));
- }
-
- } else {
- year = ToNumber(year);
- month = ToNumber(month);
- date = argc > 2 ? ToNumber(date) : 1;
- hours = argc > 3 ? ToNumber(hours) : 0;
- minutes = argc > 4 ? ToNumber(minutes) : 0;
- seconds = argc > 5 ? ToNumber(seconds) : 0;
- ms = argc > 6 ? ToNumber(ms) : 0;
- year = (!NUMBER_IS_NAN(year) && 0 <= TO_INTEGER(year) && TO_INTEGER(year) <= 99)
- ? 1900 + TO_INTEGER(year) : year;
- var day = MakeDay(year, month, date);
- var time = MakeTime(hours, minutes, seconds, ms);
- value = TimeClip(UTC(MakeDate(day, time)));
- }
- %_SetValueOf(this, value);
-});
-
-
-// Helper functions.
-function GetTimeFrom(aDate) {
- return DATE_VALUE(aDate);
-}
-
-function GetMillisecondsFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return MS_FROM_TIME(LocalTimeNoCheck(t));
-}
-
-
-function GetUTCMillisecondsFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return MS_FROM_TIME(t);
-}
-
-
-function GetSecondsFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return SEC_FROM_TIME(LocalTimeNoCheck(t));
-}
-
-
-function GetUTCSecondsFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return SEC_FROM_TIME(t);
-}
-
-
-function GetMinutesFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return MIN_FROM_TIME(LocalTimeNoCheck(t));
-}
-
-
-function GetUTCMinutesFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return MIN_FROM_TIME(t);
-}
-
-
-function GetHoursFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return HOUR_FROM_TIME(LocalTimeNoCheck(t));
-}
-
-
-function GetUTCHoursFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return HOUR_FROM_TIME(t);
-}
-
-
-function GetFullYearFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- var cache = Date_cache;
- if (cache.time === t) return cache.year;
- return YEAR_FROM_TIME(LocalTimeNoCheck(t));
-}
-
-
-function GetUTCFullYearFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return YEAR_FROM_TIME(t);
-}
-
-
-function GetMonthFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return MONTH_FROM_TIME(LocalTimeNoCheck(t));
-}
-
-
-function GetUTCMonthFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return MONTH_FROM_TIME(t);
-}
-
-
-function GetDateFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return DATE_FROM_TIME(LocalTimeNoCheck(t));
-}
-
-
-function GetUTCDateFrom(aDate) {
- var t = DATE_VALUE(aDate);
- if (NUMBER_IS_NAN(t)) return t;
- return DATE_FROM_TIME(t);
-}
-
-
-%FunctionSetPrototype($Date, new $Date($NaN));
-
-
-var WeekDays = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
-var Months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
-
-
-function TwoDigitString(value) {
- return value < 10 ? "0" + value : "" + value;
-}
-
-
-function DateString(time) {
- return WeekDays[WeekDay(time)] + ' '
- + Months[MonthFromTime(time)] + ' '
- + TwoDigitString(DateFromTime(time)) + ' '
- + YearFromTime(time);
-}
-
-
-var LongWeekDays = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
-var LongMonths = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
-
-
-function LongDateString(time) {
- return LongWeekDays[WeekDay(time)] + ', '
- + LongMonths[MonthFromTime(time)] + ' '
- + TwoDigitString(DateFromTime(time)) + ', '
- + YearFromTime(time);
-}
-
-
-function TimeString(time) {
- return TwoDigitString(HOUR_FROM_TIME(time)) + ':'
- + TwoDigitString(MIN_FROM_TIME(time)) + ':'
- + TwoDigitString(SEC_FROM_TIME(time));
-}
-
-
-function LocalTimezoneString(time) {
- var timezoneOffset =
- (local_time_offset + DaylightSavingsOffset(time)) / msPerMinute;
- var sign = (timezoneOffset >= 0) ? 1 : -1;
- var hours = FLOOR((sign * timezoneOffset)/60);
- var min = FLOOR((sign * timezoneOffset)%60);
- var gmt = ' GMT' + ((sign == 1) ? '+' : '-') +
- TwoDigitString(hours) + TwoDigitString(min);
- return gmt + ' (' + LocalTimezone(time) + ')';
-}
-
-
-function DatePrintString(time) {
- return DateString(time) + ' ' + TimeString(time);
-}
-
-// -------------------------------------------------------------------
-
-// Reused output buffer. Used when parsing date strings.
-var parse_buffer = $Array(7);
-
-// ECMA 262 - 15.9.4.2
-function DateParse(string) {
- var arr = %DateParseString(ToString(string), parse_buffer);
- if (IS_NULL(arr)) return $NaN;
-
- var day = MakeDay(arr[0], arr[1], arr[2]);
- var time = MakeTime(arr[3], arr[4], arr[5], 0);
- var date = MakeDate(day, time);
-
- if (IS_NULL(arr[6])) {
- return TimeClip(UTC(date));
- } else {
- return TimeClip(date - arr[6] * 1000);
- }
-}
-
-
-// ECMA 262 - 15.9.4.3
-function DateUTC(year, month, date, hours, minutes, seconds, ms) {
- year = ToNumber(year);
- month = ToNumber(month);
- var argc = %_ArgumentsLength();
- date = argc > 2 ? ToNumber(date) : 1;
- hours = argc > 3 ? ToNumber(hours) : 0;
- minutes = argc > 4 ? ToNumber(minutes) : 0;
- seconds = argc > 5 ? ToNumber(seconds) : 0;
- ms = argc > 6 ? ToNumber(ms) : 0;
- year = (!NUMBER_IS_NAN(year) && 0 <= TO_INTEGER(year) && TO_INTEGER(year) <= 99)
- ? 1900 + TO_INTEGER(year) : year;
- var day = MakeDay(year, month, date);
- var time = MakeTime(hours, minutes, seconds, ms);
- return %_SetValueOf(this, TimeClip(MakeDate(day, time)));
-}
-
-
-// Mozilla-specific extension. Returns the number of milliseconds
-// elapsed since 1 January 1970 00:00:00 UTC.
-function DateNow() {
- return %DateCurrentTime();
-}
-
-
-// ECMA 262 - 15.9.5.2
-function DateToString() {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) return kInvalidDate;
- return DatePrintString(LocalTimeNoCheck(t)) + LocalTimezoneString(t);
-}
-
-
-// ECMA 262 - 15.9.5.3
-function DateToDateString() {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) return kInvalidDate;
- return DateString(LocalTimeNoCheck(t));
-}
-
-
-// ECMA 262 - 15.9.5.4
-function DateToTimeString() {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) return kInvalidDate;
- var lt = LocalTimeNoCheck(t);
- return TimeString(lt) + LocalTimezoneString(lt);
-}
-
-
-// ECMA 262 - 15.9.5.5
-function DateToLocaleString() {
- return DateToString.call(this);
-}
-
-
-// ECMA 262 - 15.9.5.6
-function DateToLocaleDateString() {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) return kInvalidDate;
- return LongDateString(LocalTimeNoCheck(t));
-}
-
-
-// ECMA 262 - 15.9.5.7
-function DateToLocaleTimeString() {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) return kInvalidDate;
- var lt = LocalTimeNoCheck(t);
- return TimeString(lt);
-}
-
-
-// ECMA 262 - 15.9.5.8
-function DateValueOf() {
- return DATE_VALUE(this);
-}
-
-
-// ECMA 262 - 15.9.5.9
-function DateGetTime() {
- return DATE_VALUE(this);
-}
-
-
-// ECMA 262 - 15.9.5.10
-function DateGetFullYear() {
- return GetFullYearFrom(this)
-}
-
-
-// ECMA 262 - 15.9.5.11
-function DateGetUTCFullYear() {
- return GetUTCFullYearFrom(this)
-}
-
-
-// ECMA 262 - 15.9.5.12
-function DateGetMonth() {
- return GetMonthFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.13
-function DateGetUTCMonth() {
- return GetUTCMonthFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.14
-function DateGetDate() {
- return GetDateFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.15
-function DateGetUTCDate() {
- return GetUTCDateFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.16
-function DateGetDay() {
- var t = %_ValueOf(this);
- if (NUMBER_IS_NAN(t)) return t;
- return WeekDay(LocalTimeNoCheck(t));
-}
-
-
-// ECMA 262 - 15.9.5.17
-function DateGetUTCDay() {
- var t = %_ValueOf(this);
- if (NUMBER_IS_NAN(t)) return t;
- return WeekDay(t);
-}
-
-
-// ECMA 262 - 15.9.5.18
-function DateGetHours() {
- return GetHoursFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.19
-function DateGetUTCHours() {
- return GetUTCHoursFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.20
-function DateGetMinutes() {
- return GetMinutesFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.21
-function DateGetUTCMinutes() {
- return GetUTCMinutesFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.22
-function DateGetSeconds() {
- return GetSecondsFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.23
-function DateGetUTCSeconds() {
- return GetUTCSecondsFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.24
-function DateGetMilliseconds() {
- return GetMillisecondsFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.25
-function DateGetUTCMilliseconds() {
- return GetUTCMillisecondsFrom(this);
-}
-
-
-// ECMA 262 - 15.9.5.26
-function DateGetTimezoneOffset() {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) return t;
- return (t - LocalTimeNoCheck(t)) / msPerMinute;
-}
-
-
-// ECMA 262 - 15.9.5.27
-function DateSetTime(ms) {
- if (!IS_DATE(this)) ThrowDateTypeError();
- return %_SetValueOf(this, TimeClip(ToNumber(ms)));
-}
-
-
-// ECMA 262 - 15.9.5.28
-function DateSetMilliseconds(ms) {
- var t = LocalTime(DATE_VALUE(this));
- ms = ToNumber(ms);
- var time = MakeTime(HOUR_FROM_TIME(t), MIN_FROM_TIME(t), SEC_FROM_TIME(t), ms);
- return %_SetValueOf(this, TimeClip(UTC(MakeDate(DAY(t), time))));
-}
-
-
-// ECMA 262 - 15.9.5.29
-function DateSetUTCMilliseconds(ms) {
- var t = DATE_VALUE(this);
- ms = ToNumber(ms);
- var time = MakeTime(HOUR_FROM_TIME(t), MIN_FROM_TIME(t), SEC_FROM_TIME(t), ms);
- return %_SetValueOf(this, TimeClip(MakeDate(DAY(t), time)));
-}
-
-
-// ECMA 262 - 15.9.5.30
-function DateSetSeconds(sec, ms) {
- var t = LocalTime(DATE_VALUE(this));
- sec = ToNumber(sec);
- ms = %_ArgumentsLength() < 2 ? GetMillisecondsFrom(this) : ToNumber(ms);
- var time = MakeTime(HOUR_FROM_TIME(t), MIN_FROM_TIME(t), sec, ms);
- return %_SetValueOf(this, TimeClip(UTC(MakeDate(DAY(t), time))));
-}
-
-
-// ECMA 262 - 15.9.5.31
-function DateSetUTCSeconds(sec, ms) {
- var t = DATE_VALUE(this);
- sec = ToNumber(sec);
- ms = %_ArgumentsLength() < 2 ? GetUTCMillisecondsFrom(this) : ToNumber(ms);
- var time = MakeTime(HOUR_FROM_TIME(t), MIN_FROM_TIME(t), sec, ms);
- return %_SetValueOf(this, TimeClip(MakeDate(DAY(t), time)));
-}
-
-
-// ECMA 262 - 15.9.5.33
-function DateSetMinutes(min, sec, ms) {
- var t = LocalTime(DATE_VALUE(this));
- min = ToNumber(min);
- var argc = %_ArgumentsLength();
- sec = argc < 2 ? GetSecondsFrom(this) : ToNumber(sec);
- ms = argc < 3 ? GetMillisecondsFrom(this) : ToNumber(ms);
- var time = MakeTime(HOUR_FROM_TIME(t), min, sec, ms);
- return %_SetValueOf(this, TimeClip(UTC(MakeDate(DAY(t), time))));
-}
-
-
-// ECMA 262 - 15.9.5.34
-function DateSetUTCMinutes(min, sec, ms) {
- var t = DATE_VALUE(this);
- min = ToNumber(min);
- var argc = %_ArgumentsLength();
- sec = argc < 2 ? GetUTCSecondsFrom(this) : ToNumber(sec);
- ms = argc < 3 ? GetUTCMillisecondsFrom(this) : ToNumber(ms);
- var time = MakeTime(HOUR_FROM_TIME(t), min, sec, ms);
- return %_SetValueOf(this, TimeClip(MakeDate(DAY(t), time)));
-}
-
-
-// ECMA 262 - 15.9.5.35
-function DateSetHours(hour, min, sec, ms) {
- var t = LocalTime(DATE_VALUE(this));
- hour = ToNumber(hour);
- var argc = %_ArgumentsLength();
- min = argc < 2 ? GetMinutesFrom(this) : ToNumber(min);
- sec = argc < 3 ? GetSecondsFrom(this) : ToNumber(sec);
- ms = argc < 4 ? GetMillisecondsFrom(this) : ToNumber(ms);
- var time = MakeTime(hour, min, sec, ms);
- return %_SetValueOf(this, TimeClip(UTC(MakeDate(DAY(t), time))));
-}
-
-
-// ECMA 262 - 15.9.5.34
-function DateSetUTCHours(hour, min, sec, ms) {
- var t = DATE_VALUE(this);
- hour = ToNumber(hour);
- var argc = %_ArgumentsLength();
- min = argc < 2 ? GetUTCMinutesFrom(this) : ToNumber(min);
- sec = argc < 3 ? GetUTCSecondsFrom(this) : ToNumber(sec);
- ms = argc < 4 ? GetUTCMillisecondsFrom(this) : ToNumber(ms);
- var time = MakeTime(hour, min, sec, ms);
- return %_SetValueOf(this, TimeClip(MakeDate(DAY(t), time)));
-}
-
-
-// ECMA 262 - 15.9.5.36
-function DateSetDate(date) {
- var t = LocalTime(DATE_VALUE(this));
- date = ToNumber(date);
- var day = MakeDay(YEAR_FROM_TIME(t), MONTH_FROM_TIME(t), date);
- return %_SetValueOf(this, TimeClip(UTC(MakeDate(day, TimeWithinDay(t)))));
-}
-
-
-// ECMA 262 - 15.9.5.37
-function DateSetUTCDate(date) {
- var t = DATE_VALUE(this);
- date = ToNumber(date);
- var day = MakeDay(YEAR_FROM_TIME(t), MONTH_FROM_TIME(t), date);
- return %_SetValueOf(this, TimeClip(MakeDate(day, TimeWithinDay(t))));
-}
-
-
-// ECMA 262 - 15.9.5.38
-function DateSetMonth(month, date) {
- var t = LocalTime(DATE_VALUE(this));
- month = ToNumber(month);
- date = %_ArgumentsLength() < 2 ? GetDateFrom(this) : ToNumber(date);
- var day = MakeDay(YEAR_FROM_TIME(t), month, date);
- return %_SetValueOf(this, TimeClip(UTC(MakeDate(day, TimeWithinDay(t)))));
-}
-
-
-// ECMA 262 - 15.9.5.39
-function DateSetUTCMonth(month, date) {
- var t = DATE_VALUE(this);
- month = ToNumber(month);
- date = %_ArgumentsLength() < 2 ? GetUTCDateFrom(this) : ToNumber(date);
- var day = MakeDay(YEAR_FROM_TIME(t), month, date);
- return %_SetValueOf(this, TimeClip(MakeDate(day, TimeWithinDay(t))));
-}
-
-
-// ECMA 262 - 15.9.5.40
-function DateSetFullYear(year, month, date) {
- var t = DATE_VALUE(this);
- t = NUMBER_IS_NAN(t) ? 0 : LocalTimeNoCheck(t);
- year = ToNumber(year);
- var argc = %_ArgumentsLength();
- month = argc < 2 ? MONTH_FROM_TIME(t) : ToNumber(month);
- date = argc < 3 ? DATE_FROM_TIME(t) : ToNumber(date);
- var day = MakeDay(year, month, date);
- return %_SetValueOf(this, TimeClip(UTC(MakeDate(day, TimeWithinDay(t)))));
-}
-
-
-// ECMA 262 - 15.9.5.41
-function DateSetUTCFullYear(year, month, date) {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) t = 0;
- var argc = %_ArgumentsLength();
- year = ToNumber(year);
- month = argc < 2 ? MONTH_FROM_TIME(t) : ToNumber(month);
- date = argc < 3 ? DATE_FROM_TIME(t) : ToNumber(date);
- var day = MakeDay(year, month, date);
- return %_SetValueOf(this, TimeClip(MakeDate(day, TimeWithinDay(t))));
-}
-
-
-// ECMA 262 - 15.9.5.42
-function DateToUTCString() {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) return kInvalidDate;
- // Return UTC string of the form: Sat, 31 Jan 1970 23:00:00 GMT
- return WeekDays[WeekDay(t)] + ', '
- + TwoDigitString(DATE_FROM_TIME(t)) + ' '
- + Months[MONTH_FROM_TIME(t)] + ' '
- + YEAR_FROM_TIME(t) + ' '
- + TimeString(t) + ' GMT';
-}
-
-
-// ECMA 262 - B.2.4
-function DateGetYear() {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) return $NaN;
- return YEAR_FROM_TIME(LocalTimeNoCheck(t)) - 1900;
-}
-
-
-// ECMA 262 - B.2.5
-function DateSetYear(year) {
- var t = LocalTime(DATE_VALUE(this));
- if (NUMBER_IS_NAN(t)) t = 0;
- year = ToNumber(year);
- if (NUMBER_IS_NAN(year)) return %_SetValueOf(this, $NaN);
- year = (0 <= TO_INTEGER(year) && TO_INTEGER(year) <= 99)
- ? 1900 + TO_INTEGER(year) : year;
- var day = MakeDay(year, MONTH_FROM_TIME(t), DATE_FROM_TIME(t));
- return %_SetValueOf(this, TimeClip(UTC(MakeDate(day, TimeWithinDay(t)))));
-}
-
-
-// ECMA 262 - B.2.6
-//
-// Notice that this does not follow ECMA 262 completely. ECMA 262
-// says that toGMTString should be the same Function object as
-// toUTCString. JSC does not do this, so for compatibility we do not
-// do that either. Instead, we create a new function whose name
-// property will return toGMTString.
-function DateToGMTString() {
- return DateToUTCString.call(this);
-}
-
-
-function PadInt(n, digits) {
- if (digits == 1) return n;
- return n < MathPow(10, digits - 1) ? '0' + PadInt(n, digits - 1) : n;
-}
-
-
-function DateToISOString() {
- var t = DATE_VALUE(this);
- if (NUMBER_IS_NAN(t)) return kInvalidDate;
- return this.getUTCFullYear() + '-' + PadInt(this.getUTCMonth() + 1, 2) +
- '-' + PadInt(this.getUTCDate(), 2) + 'T' + PadInt(this.getUTCHours(), 2) +
- ':' + PadInt(this.getUTCMinutes(), 2) + ':' + PadInt(this.getUTCSeconds(), 2) +
- '.' + PadInt(this.getUTCMilliseconds(), 3) +
- 'Z';
-}
-
-
-function DateToJSON(key) {
- return CheckJSONPrimitive(this.toISOString());
-}
-
-
-// -------------------------------------------------------------------
-
-function SetupDate() {
- // Setup non-enumerable properties of the Date object itself.
- InstallFunctions($Date, DONT_ENUM, $Array(
- "UTC", DateUTC,
- "parse", DateParse,
- "now", DateNow
- ));
-
- // Setup non-enumerable constructor property of the Date prototype object.
- %SetProperty($Date.prototype, "constructor", $Date, DONT_ENUM);
-
- // Setup non-enumerable functions of the Date prototype object and
- // set their names.
- InstallFunctionsOnHiddenPrototype($Date.prototype, DONT_ENUM, $Array(
- "toString", DateToString,
- "toDateString", DateToDateString,
- "toTimeString", DateToTimeString,
- "toLocaleString", DateToLocaleString,
- "toLocaleDateString", DateToLocaleDateString,
- "toLocaleTimeString", DateToLocaleTimeString,
- "valueOf", DateValueOf,
- "getTime", DateGetTime,
- "getFullYear", DateGetFullYear,
- "getUTCFullYear", DateGetUTCFullYear,
- "getMonth", DateGetMonth,
- "getUTCMonth", DateGetUTCMonth,
- "getDate", DateGetDate,
- "getUTCDate", DateGetUTCDate,
- "getDay", DateGetDay,
- "getUTCDay", DateGetUTCDay,
- "getHours", DateGetHours,
- "getUTCHours", DateGetUTCHours,
- "getMinutes", DateGetMinutes,
- "getUTCMinutes", DateGetUTCMinutes,
- "getSeconds", DateGetSeconds,
- "getUTCSeconds", DateGetUTCSeconds,
- "getMilliseconds", DateGetMilliseconds,
- "getUTCMilliseconds", DateGetUTCMilliseconds,
- "getTimezoneOffset", DateGetTimezoneOffset,
- "setTime", DateSetTime,
- "setMilliseconds", DateSetMilliseconds,
- "setUTCMilliseconds", DateSetUTCMilliseconds,
- "setSeconds", DateSetSeconds,
- "setUTCSeconds", DateSetUTCSeconds,
- "setMinutes", DateSetMinutes,
- "setUTCMinutes", DateSetUTCMinutes,
- "setHours", DateSetHours,
- "setUTCHours", DateSetUTCHours,
- "setDate", DateSetDate,
- "setUTCDate", DateSetUTCDate,
- "setMonth", DateSetMonth,
- "setUTCMonth", DateSetUTCMonth,
- "setFullYear", DateSetFullYear,
- "setUTCFullYear", DateSetUTCFullYear,
- "toGMTString", DateToGMTString,
- "toUTCString", DateToUTCString,
- "getYear", DateGetYear,
- "setYear", DateSetYear,
- "toISOString", DateToISOString,
- "toJSON", DateToJSON
- ));
-}
-
-SetupDate();
+++ /dev/null
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Default number of frames to include in the response to backtrace request.
-const kDefaultBacktraceLength = 10;
-
-const Debug = {};
-
-// Regular expression to skip "crud" at the beginning of a source line which is
-// not really code. Currently the regular expression matches whitespace and
-// comments.
-const sourceLineBeginningSkip = /^(?:\s*(?:\/\*.*?\*\/)*)*/;
-
-// Debug events which can occour in the V8 JavaScript engine. These originate
-// from the API include file debug.h.
-Debug.DebugEvent = { Break: 1,
- Exception: 2,
- NewFunction: 3,
- BeforeCompile: 4,
- AfterCompile: 5,
- ScriptCollected: 6 };
-
-// Types of exceptions that can be broken upon.
-Debug.ExceptionBreak = { All : 0,
- Uncaught: 1 };
-
-// The different types of steps.
-Debug.StepAction = { StepOut: 0,
- StepNext: 1,
- StepIn: 2,
- StepMin: 3,
- StepInMin: 4 };
-
-// The different types of scripts matching enum ScriptType in objects.h.
-Debug.ScriptType = { Native: 0,
- Extension: 1,
- Normal: 2 };
-
-// The different types of script compilations matching enum
-// Script::CompilationType in objects.h.
-Debug.ScriptCompilationType = { Host: 0,
- Eval: 1,
- JSON: 2 };
-
-// The different script break point types.
-Debug.ScriptBreakPointType = { ScriptId: 0,
- ScriptName: 1 };
-
-function ScriptTypeFlag(type) {
- return (1 << type);
-}
-
-// Globals.
-var next_response_seq = 0;
-var next_break_point_number = 1;
-var break_points = [];
-var script_break_points = [];
-
-
-// Create a new break point object and add it to the list of break points.
-function MakeBreakPoint(source_position, opt_line, opt_column, opt_script_break_point) {
- var break_point = new BreakPoint(source_position, opt_line, opt_column, opt_script_break_point);
- break_points.push(break_point);
- return break_point;
-}
-
-
-// Object representing a break point.
-// NOTE: This object does not have a reference to the function having break
-// point as this would cause function not to be garbage collected when it is
-// not used any more. We do not want break points to keep functions alive.
-function BreakPoint(source_position, opt_line, opt_column, opt_script_break_point) {
- this.source_position_ = source_position;
- this.source_line_ = opt_line;
- this.source_column_ = opt_column;
- if (opt_script_break_point) {
- this.script_break_point_ = opt_script_break_point;
- } else {
- this.number_ = next_break_point_number++;
- }
- this.hit_count_ = 0;
- this.active_ = true;
- this.condition_ = null;
- this.ignoreCount_ = 0;
-}
-
-
-BreakPoint.prototype.number = function() {
- return this.number_;
-};
-
-
-BreakPoint.prototype.func = function() {
- return this.func_;
-};
-
-
-BreakPoint.prototype.source_position = function() {
- return this.source_position_;
-};
-
-
-BreakPoint.prototype.hit_count = function() {
- return this.hit_count_;
-};
-
-
-BreakPoint.prototype.active = function() {
- if (this.script_break_point()) {
- return this.script_break_point().active();
- }
- return this.active_;
-};
-
-
-BreakPoint.prototype.condition = function() {
- if (this.script_break_point() && this.script_break_point().condition()) {
- return this.script_break_point().condition();
- }
- return this.condition_;
-};
-
-
-BreakPoint.prototype.ignoreCount = function() {
- return this.ignoreCount_;
-};
-
-
-BreakPoint.prototype.script_break_point = function() {
- return this.script_break_point_;
-};
-
-
-BreakPoint.prototype.enable = function() {
- this.active_ = true;
-};
-
-
-BreakPoint.prototype.disable = function() {
- this.active_ = false;
-};
-
-
-BreakPoint.prototype.setCondition = function(condition) {
- this.condition_ = condition;
-};
-
-
-BreakPoint.prototype.setIgnoreCount = function(ignoreCount) {
- this.ignoreCount_ = ignoreCount;
-};
-
-
-BreakPoint.prototype.isTriggered = function(exec_state) {
- // Break point not active - not triggered.
- if (!this.active()) return false;
-
- // Check for conditional break point.
- if (this.condition()) {
- // If break point has condition try to evaluate it in the top frame.
- try {
- var mirror = exec_state.frame(0).evaluate(this.condition());
- // If no sensible mirror or non true value break point not triggered.
- if (!(mirror instanceof ValueMirror) || !%ToBoolean(mirror.value_)) {
- return false;
- }
- } catch (e) {
- // Exception evaluating condition counts as not triggered.
- return false;
- }
- }
-
- // Update the hit count.
- this.hit_count_++;
- if (this.script_break_point_) {
- this.script_break_point_.hit_count_++;
- }
-
- // If the break point has an ignore count it is not triggered.
- if (this.ignoreCount_ > 0) {
- this.ignoreCount_--;
- return false;
- }
-
- // Break point triggered.
- return true;
-};
-
-
-// Function called from the runtime when a break point is hit. Returns true if
-// the break point is triggered and supposed to break execution.
-function IsBreakPointTriggered(break_id, break_point) {
- return break_point.isTriggered(MakeExecutionState(break_id));
-}
-
-
-// Object representing a script break point. The script is referenced by its
-// script name or script id and the break point is represented as line and
-// column.
-function ScriptBreakPoint(type, script_id_or_name, opt_line, opt_column,
- opt_groupId) {
- this.type_ = type;
- if (type == Debug.ScriptBreakPointType.ScriptId) {
- this.script_id_ = script_id_or_name;
- } else { // type == Debug.ScriptBreakPointType.ScriptName
- this.script_name_ = script_id_or_name;
- }
- this.line_ = opt_line || 0;
- this.column_ = opt_column;
- this.groupId_ = opt_groupId;
- this.hit_count_ = 0;
- this.active_ = true;
- this.condition_ = null;
- this.ignoreCount_ = 0;
-}
-
-
-ScriptBreakPoint.prototype.number = function() {
- return this.number_;
-};
-
-
-ScriptBreakPoint.prototype.groupId = function() {
- return this.groupId_;
-};
-
-
-ScriptBreakPoint.prototype.type = function() {
- return this.type_;
-};
-
-
-ScriptBreakPoint.prototype.script_id = function() {
- return this.script_id_;
-};
-
-
-ScriptBreakPoint.prototype.script_name = function() {
- return this.script_name_;
-};
-
-
-ScriptBreakPoint.prototype.line = function() {
- return this.line_;
-};
-
-
-ScriptBreakPoint.prototype.column = function() {
- return this.column_;
-};
-
-
-ScriptBreakPoint.prototype.hit_count = function() {
- return this.hit_count_;
-};
-
-
-ScriptBreakPoint.prototype.active = function() {
- return this.active_;
-};
-
-
-ScriptBreakPoint.prototype.condition = function() {
- return this.condition_;
-};
-
-
-ScriptBreakPoint.prototype.ignoreCount = function() {
- return this.ignoreCount_;
-};
-
-
-ScriptBreakPoint.prototype.enable = function() {
- this.active_ = true;
-};
-
-
-ScriptBreakPoint.prototype.disable = function() {
- this.active_ = false;
-};
-
-
-ScriptBreakPoint.prototype.setCondition = function(condition) {
- this.condition_ = condition;
-};
-
-
-ScriptBreakPoint.prototype.setIgnoreCount = function(ignoreCount) {
- this.ignoreCount_ = ignoreCount;
-
- // Set ignore count on all break points created from this script break point.
- for (var i = 0; i < break_points.length; i++) {
- if (break_points[i].script_break_point() === this) {
- break_points[i].setIgnoreCount(ignoreCount);
- }
- }
-};
-
-
-// Check whether a script matches this script break point. Currently this is
-// only based on script name.
-ScriptBreakPoint.prototype.matchesScript = function(script) {
- if (this.type_ == Debug.ScriptBreakPointType.ScriptId) {
- return this.script_id_ == script.id;
- } else { // this.type_ == Debug.ScriptBreakPointType.ScriptName
- return this.script_name_ == script.name &&
- script.line_offset <= this.line_ &&
- this.line_ < script.line_offset + script.lineCount();
- }
-};
-
-
-// Set the script break point in a script.
-ScriptBreakPoint.prototype.set = function (script) {
- var column = this.column();
- var line = this.line();
- // If the column is undefined the break is on the line. To help locate the
- // first piece of breakable code on the line try to find the column on the
- // line which contains some source.
- if (IS_UNDEFINED(column)) {
- var source_line = script.sourceLine(this.line());
-
- // Allocate array for caching the columns where the actual source starts.
- if (!script.sourceColumnStart_) {
- script.sourceColumnStart_ = new Array(script.lineCount());
- }
-
- // Fill cache if needed and get column where the actual source starts.
- if (IS_UNDEFINED(script.sourceColumnStart_[line])) {
- script.sourceColumnStart_[line] =
- source_line.match(sourceLineBeginningSkip)[0].length;
- }
- column = script.sourceColumnStart_[line];
- }
-
- // Convert the line and column into an absolute position within the script.
- var pos = Debug.findScriptSourcePosition(script, this.line(), column);
-
- // If the position is not found in the script (the script might be shorter
- // than it used to be) just ignore it.
- if (pos === null) return;
-
- // Create a break point object and set the break point.
- break_point = MakeBreakPoint(pos, this.line(), this.column(), this);
- break_point.setIgnoreCount(this.ignoreCount());
- %SetScriptBreakPoint(script, pos, break_point);
-
- return break_point;
-};
-
-
-// Clear all the break points created from this script break point
-ScriptBreakPoint.prototype.clear = function () {
- var remaining_break_points = [];
- for (var i = 0; i < break_points.length; i++) {
- if (break_points[i].script_break_point() &&
- break_points[i].script_break_point() === this) {
- %ClearBreakPoint(break_points[i]);
- } else {
- remaining_break_points.push(break_points[i]);
- }
- }
- break_points = remaining_break_points;
-};
-
-
-// Function called from runtime when a new script is compiled to set any script
-// break points set in this script.
-function UpdateScriptBreakPoints(script) {
- for (var i = 0; i < script_break_points.length; i++) {
- if (script_break_points[i].type() == Debug.ScriptBreakPointType.ScriptName &&
- script_break_points[i].matchesScript(script)) {
- script_break_points[i].set(script);
- }
- }
-}
-
-
-Debug.setListener = function(listener, opt_data) {
- if (!IS_FUNCTION(listener) && !IS_UNDEFINED(listener) && !IS_NULL(listener)) {
- throw new Error('Parameters have wrong types.');
- }
- %SetDebugEventListener(listener, opt_data);
-};
-
-
-Debug.breakExecution = function(f) {
- %Break();
-};
-
-Debug.breakLocations = function(f) {
- if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.');
- return %GetBreakLocations(f);
-};
-
-// Returns a Script object. If the parameter is a function the return value
-// is the script in which the function is defined. If the parameter is a string
-// the return value is the script for which the script name has that string
-// value. If it is a regexp and there is a unique script whose name matches
-// we return that, otherwise undefined.
-Debug.findScript = function(func_or_script_name) {
- if (IS_FUNCTION(func_or_script_name)) {
- return %FunctionGetScript(func_or_script_name);
- } else if (IS_REGEXP(func_or_script_name)) {
- var scripts = Debug.scripts();
- var last_result = null;
- var result_count = 0;
- for (var i in scripts) {
- var script = scripts[i];
- if (func_or_script_name.test(script.name)) {
- last_result = script;
- result_count++;
- }
- }
- // Return the unique script matching the regexp. If there are more
- // than one we don't return a value since there is no good way to
- // decide which one to return. Returning a "random" one, say the
- // first, would introduce nondeterminism (or something close to it)
- // because the order is the heap iteration order.
- if (result_count == 1) {
- return last_result;
- } else {
- return undefined;
- }
- } else {
- return %GetScript(func_or_script_name);
- }
-};
-
-// Returns the script source. If the parameter is a function the return value
-// is the script source for the script in which the function is defined. If the
-// parameter is a string the return value is the script for which the script
-// name has that string value.
-Debug.scriptSource = function(func_or_script_name) {
- return this.findScript(func_or_script_name).source;
-};
-
-Debug.source = function(f) {
- if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.');
- return %FunctionGetSourceCode(f);
-};
-
-Debug.disassemble = function(f) {
- if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.');
- return %DebugDisassembleFunction(f);
-};
-
-Debug.disassembleConstructor = function(f) {
- if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.');
- return %DebugDisassembleConstructor(f);
-};
-
-Debug.sourcePosition = function(f) {
- if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.');
- return %FunctionGetScriptSourcePosition(f);
-};
-
-
-Debug.findFunctionSourceLocation = function(func, opt_line, opt_column) {
- var script = %FunctionGetScript(func);
- var script_offset = %FunctionGetScriptSourcePosition(func);
- return script.locationFromLine(opt_line, opt_column, script_offset);
-}
-
-
-// Returns the character position in a script based on a line number and an
-// optional position within that line.
-Debug.findScriptSourcePosition = function(script, opt_line, opt_column) {
- var location = script.locationFromLine(opt_line, opt_column);
- return location ? location.position : null;
-}
-
-
-Debug.findBreakPoint = function(break_point_number, remove) {
- var break_point;
- for (var i = 0; i < break_points.length; i++) {
- if (break_points[i].number() == break_point_number) {
- break_point = break_points[i];
- // Remove the break point from the list if requested.
- if (remove) {
- break_points.splice(i, 1);
- }
- break;
- }
- }
- if (break_point) {
- return break_point;
- } else {
- return this.findScriptBreakPoint(break_point_number, remove);
- }
-};
-
-
-Debug.setBreakPoint = function(func, opt_line, opt_column, opt_condition) {
- if (!IS_FUNCTION(func)) throw new Error('Parameters have wrong types.');
- // Break points in API functions are not supported.
- if (%FunctionIsAPIFunction(func)) {
- throw new Error('Cannot set break point in native code.');
- }
- // Find source position relative to start of the function
- var break_position =
- this.findFunctionSourceLocation(func, opt_line, opt_column).position;
- var source_position = break_position - this.sourcePosition(func);
- // Find the script for the function.
- var script = %FunctionGetScript(func);
- // Break in builtin JavaScript code is not supported.
- if (script.type == Debug.ScriptType.Native) {
- throw new Error('Cannot set break point in native code.');
- }
- // If the script for the function has a name convert this to a script break
- // point.
- if (script && script.id) {
- // Adjust the source position to be script relative.
- source_position += %FunctionGetScriptSourcePosition(func);
- // Find line and column for the position in the script and set a script
- // break point from that.
- var location = script.locationFromPosition(source_position, false);
- return this.setScriptBreakPointById(script.id,
- location.line, location.column,
- opt_condition);
- } else {
- // Set a break point directly on the function.
- var break_point = MakeBreakPoint(source_position, opt_line, opt_column);
- %SetFunctionBreakPoint(func, source_position, break_point);
- break_point.setCondition(opt_condition);
- return break_point.number();
- }
-};
-
-
-Debug.enableBreakPoint = function(break_point_number) {
- var break_point = this.findBreakPoint(break_point_number, false);
- break_point.enable();
-};
-
-
-Debug.disableBreakPoint = function(break_point_number) {
- var break_point = this.findBreakPoint(break_point_number, false);
- break_point.disable();
-};
-
-
-Debug.changeBreakPointCondition = function(break_point_number, condition) {
- var break_point = this.findBreakPoint(break_point_number, false);
- break_point.setCondition(condition);
-};
-
-
-Debug.changeBreakPointIgnoreCount = function(break_point_number, ignoreCount) {
- if (ignoreCount < 0) {
- throw new Error('Invalid argument');
- }
- var break_point = this.findBreakPoint(break_point_number, false);
- break_point.setIgnoreCount(ignoreCount);
-};
-
-
-Debug.clearBreakPoint = function(break_point_number) {
- var break_point = this.findBreakPoint(break_point_number, true);
- if (break_point) {
- return %ClearBreakPoint(break_point);
- } else {
- break_point = this.findScriptBreakPoint(break_point_number, true);
- if (!break_point) {
- throw new Error('Invalid breakpoint');
- }
- }
-};
-
-
-Debug.clearAllBreakPoints = function() {
- for (var i = 0; i < break_points.length; i++) {
- break_point = break_points[i];
- %ClearBreakPoint(break_point);
- }
- break_points = [];
-};
-
-
-Debug.findScriptBreakPoint = function(break_point_number, remove) {
- var script_break_point;
- for (var i = 0; i < script_break_points.length; i++) {
- if (script_break_points[i].number() == break_point_number) {
- script_break_point = script_break_points[i];
- // Remove the break point from the list if requested.
- if (remove) {
- script_break_point.clear();
- script_break_points.splice(i,1);
- }
- break;
- }
- }
- return script_break_point;
-}
-
-
-// Sets a breakpoint in a script identified through id or name at the
-// specified source line and column within that line.
-Debug.setScriptBreakPoint = function(type, script_id_or_name,
- opt_line, opt_column, opt_condition,
- opt_groupId) {
- // Create script break point object.
- var script_break_point =
- new ScriptBreakPoint(type, script_id_or_name, opt_line, opt_column,
- opt_groupId);
-
- // Assign number to the new script break point and add it.
- script_break_point.number_ = next_break_point_number++;
- script_break_point.setCondition(opt_condition);
- script_break_points.push(script_break_point);
-
- // Run through all scripts to see if this script break point matches any
- // loaded scripts.
- var scripts = this.scripts();
- for (var i = 0; i < scripts.length; i++) {
- if (script_break_point.matchesScript(scripts[i])) {
- script_break_point.set(scripts[i]);
- }
- }
-
- return script_break_point.number();
-}
-
-
-Debug.setScriptBreakPointById = function(script_id,
- opt_line, opt_column,
- opt_condition, opt_groupId) {
- return this.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId,
- script_id, opt_line, opt_column,
- opt_condition, opt_groupId);
-}
-
-
-Debug.setScriptBreakPointByName = function(script_name,
- opt_line, opt_column,
- opt_condition, opt_groupId) {
- return this.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptName,
- script_name, opt_line, opt_column,
- opt_condition, opt_groupId);
-}
-
-
-Debug.enableScriptBreakPoint = function(break_point_number) {
- var script_break_point = this.findScriptBreakPoint(break_point_number, false);
- script_break_point.enable();
-};
-
-
-Debug.disableScriptBreakPoint = function(break_point_number) {
- var script_break_point = this.findScriptBreakPoint(break_point_number, false);
- script_break_point.disable();
-};
-
-
-Debug.changeScriptBreakPointCondition = function(break_point_number, condition) {
- var script_break_point = this.findScriptBreakPoint(break_point_number, false);
- script_break_point.setCondition(condition);
-};
-
-
-Debug.changeScriptBreakPointIgnoreCount = function(break_point_number, ignoreCount) {
- if (ignoreCount < 0) {
- throw new Error('Invalid argument');
- }
- var script_break_point = this.findScriptBreakPoint(break_point_number, false);
- script_break_point.setIgnoreCount(ignoreCount);
-};
-
-
-Debug.scriptBreakPoints = function() {
- return script_break_points;
-}
-
-
-Debug.clearStepping = function() {
- %ClearStepping();
-}
-
-Debug.setBreakOnException = function() {
- return %ChangeBreakOnException(Debug.ExceptionBreak.All, true);
-};
-
-Debug.clearBreakOnException = function() {
- return %ChangeBreakOnException(Debug.ExceptionBreak.All, false);
-};
-
-Debug.setBreakOnUncaughtException = function() {
- return %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, true);
-};
-
-Debug.clearBreakOnUncaughtException = function() {
- return %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, false);
-};
-
-Debug.showBreakPoints = function(f, full) {
- if (!IS_FUNCTION(f)) throw new Error('Parameters have wrong types.');
- var source = full ? this.scriptSource(f) : this.source(f);
- var offset = full ? this.sourcePosition(f) : 0;
- var locations = this.breakLocations(f);
- if (!locations) return source;
- locations.sort(function(x, y) { return x - y; });
- var result = "";
- var prev_pos = 0;
- var pos;
- for (var i = 0; i < locations.length; i++) {
- pos = locations[i] - offset;
- result += source.slice(prev_pos, pos);
- result += "[B" + i + "]";
- prev_pos = pos;
- }
- pos = source.length;
- result += source.substring(prev_pos, pos);
- return result;
-};
-
-
-// Get all the scripts currently loaded. Locating all the scripts is based on
-// scanning the heap.
-Debug.scripts = function() {
- // Collect all scripts in the heap.
- return %DebugGetLoadedScripts();
-}
-
-function MakeExecutionState(break_id) {
- return new ExecutionState(break_id);
-}
-
-function ExecutionState(break_id) {
- this.break_id = break_id;
- this.selected_frame = 0;
-}
-
-ExecutionState.prototype.prepareStep = function(opt_action, opt_count) {
- var action = Debug.StepAction.StepIn;
- if (!IS_UNDEFINED(opt_action)) action = %ToNumber(opt_action);
- var count = opt_count ? %ToNumber(opt_count) : 1;
-
- return %PrepareStep(this.break_id, action, count);
-}
-
-ExecutionState.prototype.evaluateGlobal = function(source, disable_break) {
- return MakeMirror(
- %DebugEvaluateGlobal(this.break_id, source, Boolean(disable_break)));
-};
-
-ExecutionState.prototype.frameCount = function() {
- return %GetFrameCount(this.break_id);
-};
-
-ExecutionState.prototype.threadCount = function() {
- return %GetThreadCount(this.break_id);
-};
-
-ExecutionState.prototype.frame = function(opt_index) {
- // If no index supplied return the selected frame.
- if (opt_index == null) opt_index = this.selected_frame;
- return new FrameMirror(this.break_id, opt_index);
-};
-
-ExecutionState.prototype.cframesValue = function(opt_from_index, opt_to_index) {
- return %GetCFrames(this.break_id);
-};
-
-ExecutionState.prototype.setSelectedFrame = function(index) {
- var i = %ToNumber(index);
- if (i < 0 || i >= this.frameCount()) throw new Error('Illegal frame index.');
- this.selected_frame = i;
-};
-
-ExecutionState.prototype.selectedFrame = function() {
- return this.selected_frame;
-};
-
-ExecutionState.prototype.debugCommandProcessor = function(opt_is_running) {
- return new DebugCommandProcessor(this, opt_is_running);
-};
-
-
-function MakeBreakEvent(exec_state, break_points_hit) {
- return new BreakEvent(exec_state, break_points_hit);
-}
-
-
-function BreakEvent(exec_state, break_points_hit) {
- this.exec_state_ = exec_state;
- this.break_points_hit_ = break_points_hit;
-}
-
-
-BreakEvent.prototype.executionState = function() {
- return this.exec_state_;
-};
-
-
-BreakEvent.prototype.eventType = function() {
- return Debug.DebugEvent.Break;
-};
-
-
-BreakEvent.prototype.func = function() {
- return this.exec_state_.frame(0).func();
-};
-
-
-BreakEvent.prototype.sourceLine = function() {
- return this.exec_state_.frame(0).sourceLine();
-};
-
-
-BreakEvent.prototype.sourceColumn = function() {
- return this.exec_state_.frame(0).sourceColumn();
-};
-
-
-BreakEvent.prototype.sourceLineText = function() {
- return this.exec_state_.frame(0).sourceLineText();
-};
-
-
-BreakEvent.prototype.breakPointsHit = function() {
- return this.break_points_hit_;
-};
-
-
-BreakEvent.prototype.toJSONProtocol = function() {
- var o = { seq: next_response_seq++,
- type: "event",
- event: "break",
- body: { invocationText: this.exec_state_.frame(0).invocationText(),
- }
- };
-
- // Add script related information to the event if available.
- var script = this.func().script();
- if (script) {
- o.body.sourceLine = this.sourceLine(),
- o.body.sourceColumn = this.sourceColumn(),
- o.body.sourceLineText = this.sourceLineText(),
- o.body.script = MakeScriptObject_(script, false);
- }
-
- // Add an Array of break points hit if any.
- if (this.breakPointsHit()) {
- o.body.breakpoints = [];
- for (var i = 0; i < this.breakPointsHit().length; i++) {
- // Find the break point number. For break points originating from a
- // script break point supply the script break point number.
- var breakpoint = this.breakPointsHit()[i];
- var script_break_point = breakpoint.script_break_point();
- var number;
- if (script_break_point) {
- number = script_break_point.number();
- } else {
- number = breakpoint.number();
- }
- o.body.breakpoints.push(number);
- }
- }
- return JSON.stringify(ObjectToProtocolObject_(o));
-};
-
-
-function MakeExceptionEvent(exec_state, exception, uncaught) {
- return new ExceptionEvent(exec_state, exception, uncaught);
-}
-
-
-function ExceptionEvent(exec_state, exception, uncaught) {
- this.exec_state_ = exec_state;
- this.exception_ = exception;
- this.uncaught_ = uncaught;
-}
-
-
-ExceptionEvent.prototype.executionState = function() {
- return this.exec_state_;
-};
-
-
-ExceptionEvent.prototype.eventType = function() {
- return Debug.DebugEvent.Exception;
-};
-
-
-ExceptionEvent.prototype.exception = function() {
- return this.exception_;
-}
-
-
-ExceptionEvent.prototype.uncaught = function() {
- return this.uncaught_;
-}
-
-
-ExceptionEvent.prototype.func = function() {
- return this.exec_state_.frame(0).func();
-};
-
-
-ExceptionEvent.prototype.sourceLine = function() {
- return this.exec_state_.frame(0).sourceLine();
-};
-
-
-ExceptionEvent.prototype.sourceColumn = function() {
- return this.exec_state_.frame(0).sourceColumn();
-};
-
-
-ExceptionEvent.prototype.sourceLineText = function() {
- return this.exec_state_.frame(0).sourceLineText();
-};
-
-
-ExceptionEvent.prototype.toJSONProtocol = function() {
- var o = new ProtocolMessage();
- o.event = "exception";
- o.body = { uncaught: this.uncaught_,
- exception: MakeMirror(this.exception_)
- };
-
- // Exceptions might happen whithout any JavaScript frames.
- if (this.exec_state_.frameCount() > 0) {
- o.body.sourceLine = this.sourceLine();
- o.body.sourceColumn = this.sourceColumn();
- o.body.sourceLineText = this.sourceLineText();
-
- // Add script information to the event if available.
- var script = this.func().script();
- if (script) {
- o.body.script = MakeScriptObject_(script, false);
- }
- } else {
- o.body.sourceLine = -1;
- }
-
- return o.toJSONProtocol();
-};
-
-
-function MakeCompileEvent(exec_state, script, before) {
- return new CompileEvent(exec_state, script, before);
-}
-
-
-function CompileEvent(exec_state, script, before) {
- this.exec_state_ = exec_state;
- this.script_ = MakeMirror(script);
- this.before_ = before;
-}
-
-
-CompileEvent.prototype.executionState = function() {
- return this.exec_state_;
-};
-
-
-CompileEvent.prototype.eventType = function() {
- if (this.before_) {
- return Debug.DebugEvent.BeforeCompile;
- } else {
- return Debug.DebugEvent.AfterCompile;
- }
-};
-
-
-CompileEvent.prototype.script = function() {
- return this.script_;
-};
-
-
-CompileEvent.prototype.toJSONProtocol = function() {
- var o = new ProtocolMessage();
- o.running = true;
- if (this.before_) {
- o.event = "beforeCompile";
- } else {
- o.event = "afterCompile";
- }
- o.body = {};
- o.body.script = this.script_;
-
- return o.toJSONProtocol();
-}
-
-
-function MakeNewFunctionEvent(func) {
- return new NewFunctionEvent(func);
-}
-
-
-function NewFunctionEvent(func) {
- this.func = func;
-}
-
-
-NewFunctionEvent.prototype.eventType = function() {
- return Debug.DebugEvent.NewFunction;
-};
-
-
-NewFunctionEvent.prototype.name = function() {
- return this.func.name;
-};
-
-
-NewFunctionEvent.prototype.setBreakPoint = function(p) {
- Debug.setBreakPoint(this.func, p || 0);
-};
-
-
-function MakeScriptCollectedEvent(exec_state, id) {
- return new ScriptCollectedEvent(exec_state, id);
-}
-
-
-function ScriptCollectedEvent(exec_state, id) {
- this.exec_state_ = exec_state;
- this.id_ = id;
-}
-
-
-ScriptCollectedEvent.prototype.id = function() {
- return this.id_;
-};
-
-
-ScriptCollectedEvent.prototype.executionState = function() {
- return this.exec_state_;
-};
-
-
-ScriptCollectedEvent.prototype.toJSONProtocol = function() {
- var o = new ProtocolMessage();
- o.running = true;
- o.event = "scriptCollected";
- o.body = {};
- o.body.script = { id: this.id() };
- return o.toJSONProtocol();
-}
-
-
-function MakeScriptObject_(script, include_source) {
- var o = { id: script.id(),
- name: script.name(),
- lineOffset: script.lineOffset(),
- columnOffset: script.columnOffset(),
- lineCount: script.lineCount(),
- };
- if (!IS_UNDEFINED(script.data())) {
- o.data = script.data();
- }
- if (include_source) {
- o.source = script.source();
- }
- return o;
-};
-
-
-function DebugCommandProcessor(exec_state, opt_is_running) {
- this.exec_state_ = exec_state;
- this.running_ = opt_is_running || false;
-};
-
-
-DebugCommandProcessor.prototype.processDebugRequest = function (request) {
- return this.processDebugJSONRequest(request);
-}
-
-
-function ProtocolMessage(request) {
- // Update sequence number.
- this.seq = next_response_seq++;
-
- if (request) {
- // If message is based on a request this is a response. Fill the initial
- // response from the request.
- this.type = 'response';
- this.request_seq = request.seq;
- this.command = request.command;
- } else {
- // If message is not based on a request it is a dabugger generated event.
- this.type = 'event';
- }
- this.success = true;
- // Handler may set this field to control debugger state.
- this.running = undefined;
-}
-
-
-ProtocolMessage.prototype.setOption = function(name, value) {
- if (!this.options_) {
- this.options_ = {};
- }
- this.options_[name] = value;
-}
-
-
-ProtocolMessage.prototype.failed = function(message) {
- this.success = false;
- this.message = message;
-}
-
-
-ProtocolMessage.prototype.toJSONProtocol = function() {
- // Encode the protocol header.
- var json = {};
- json.seq= this.seq;
- if (this.request_seq) {
- json.request_seq = this.request_seq;
- }
- json.type = this.type;
- if (this.event) {
- json.event = this.event;
- }
- if (this.command) {
- json.command = this.command;
- }
- if (this.success) {
- json.success = this.success;
- } else {
- json.success = false;
- }
- if (this.body) {
- // Encode the body part.
- var bodyJson;
- var serializer = MakeMirrorSerializer(true, this.options_);
- if (this.body instanceof Mirror) {
- bodyJson = serializer.serializeValue(this.body);
- } else if (this.body instanceof Array) {
- bodyJson = [];
- for (var i = 0; i < this.body.length; i++) {
- if (this.body[i] instanceof Mirror) {
- bodyJson.push(serializer.serializeValue(this.body[i]));
- } else {
- bodyJson.push(ObjectToProtocolObject_(this.body[i], serializer));
- }
- }
- } else {
- bodyJson = ObjectToProtocolObject_(this.body, serializer);
- }
- json.body = bodyJson;
- json.refs = serializer.serializeReferencedObjects();
- }
- if (this.message) {
- json.message = this.message;
- }
- json.running = this.running;
- return JSON.stringify(json);
-}
-
-
-DebugCommandProcessor.prototype.createResponse = function(request) {
- return new ProtocolMessage(request);
-};
-
-
-DebugCommandProcessor.prototype.processDebugJSONRequest = function(json_request) {
- var request; // Current request.
- var response; // Generated response.
- try {
- try {
- // Convert the JSON string to an object.
- request = %CompileString('(' + json_request + ')', false)();
-
- // Create an initial response.
- response = this.createResponse(request);
-
- if (!request.type) {
- throw new Error('Type not specified');
- }
-
- if (request.type != 'request') {
- throw new Error("Illegal type '" + request.type + "' in request");
- }
-
- if (!request.command) {
- throw new Error('Command not specified');
- }
-
- if (request.arguments) {
- var args = request.arguments;
- // TODO(yurys): remove request.arguments.compactFormat check once
- // ChromeDevTools are switched to 'inlineRefs'
- if (args.inlineRefs || args.compactFormat) {
- response.setOption('inlineRefs', true);
- }
- if (!IS_UNDEFINED(args.maxStringLength)) {
- response.setOption('maxStringLength', args.maxStringLength);
- }
- }
-
- if (request.command == 'continue') {
- this.continueRequest_(request, response);
- } else if (request.command == 'break') {
- this.breakRequest_(request, response);
- } else if (request.command == 'setbreakpoint') {
- this.setBreakPointRequest_(request, response);
- } else if (request.command == 'changebreakpoint') {
- this.changeBreakPointRequest_(request, response);
- } else if (request.command == 'clearbreakpoint') {
- this.clearBreakPointRequest_(request, response);
- } else if (request.command == 'clearbreakpointgroup') {
- this.clearBreakPointGroupRequest_(request, response);
- } else if (request.command == 'backtrace') {
- this.backtraceRequest_(request, response);
- } else if (request.command == 'frame') {
- this.frameRequest_(request, response);
- } else if (request.command == 'scopes') {
- this.scopesRequest_(request, response);
- } else if (request.command == 'scope') {
- this.scopeRequest_(request, response);
- } else if (request.command == 'evaluate') {
- this.evaluateRequest_(request, response);
- } else if (request.command == 'lookup') {
- this.lookupRequest_(request, response);
- } else if (request.command == 'references') {
- this.referencesRequest_(request, response);
- } else if (request.command == 'source') {
- this.sourceRequest_(request, response);
- } else if (request.command == 'scripts') {
- this.scriptsRequest_(request, response);
- } else if (request.command == 'threads') {
- this.threadsRequest_(request, response);
- } else if (request.command == 'suspend') {
- this.suspendRequest_(request, response);
- } else if (request.command == 'version') {
- this.versionRequest_(request, response);
- } else if (request.command == 'profile') {
- this.profileRequest_(request, response);
- } else if (request.command == 'changelive') {
- this.changeLiveRequest_(request, response);
- } else {
- throw new Error('Unknown command "' + request.command + '" in request');
- }
- } catch (e) {
- // If there is no response object created one (without command).
- if (!response) {
- response = this.createResponse();
- }
- response.success = false;
- response.message = %ToString(e);
- }
-
- // Return the response as a JSON encoded string.
- try {
- if (!IS_UNDEFINED(response.running)) {
- // Response controls running state.
- this.running_ = response.running;
- }
- response.running = this.running_;
- return response.toJSONProtocol();
- } catch (e) {
- // Failed to generate response - return generic error.
- return '{"seq":' + response.seq + ',' +
- '"request_seq":' + request.seq + ',' +
- '"type":"response",' +
- '"success":false,' +
- '"message":"Internal error: ' + %ToString(e) + '"}';
- }
- } catch (e) {
- // Failed in one of the catch blocks above - most generic error.
- return '{"seq":0,"type":"response","success":false,"message":"Internal error"}';
- }
-};
-
-
-DebugCommandProcessor.prototype.continueRequest_ = function(request, response) {
- // Check for arguments for continue.
- if (request.arguments) {
- var count = 1;
- var action = Debug.StepAction.StepIn;
-
- // Pull out arguments.
- var stepaction = request.arguments.stepaction;
- var stepcount = request.arguments.stepcount;
-
- // Get the stepcount argument if any.
- if (stepcount) {
- count = %ToNumber(stepcount);
- if (count < 0) {
- throw new Error('Invalid stepcount argument "' + stepcount + '".');
- }
- }
-
- // Get the stepaction argument.
- if (stepaction) {
- if (stepaction == 'in') {
- action = Debug.StepAction.StepIn;
- } else if (stepaction == 'min') {
- action = Debug.StepAction.StepMin;
- } else if (stepaction == 'next') {
- action = Debug.StepAction.StepNext;
- } else if (stepaction == 'out') {
- action = Debug.StepAction.StepOut;
- } else {
- throw new Error('Invalid stepaction argument "' + stepaction + '".');
- }
- }
-
- // Setup the VM for stepping.
- this.exec_state_.prepareStep(action, count);
- }
-
- // VM should be running after executing this request.
- response.running = true;
-};
-
-
-DebugCommandProcessor.prototype.breakRequest_ = function(request, response) {
- // Ignore as break command does not do anything when broken.
-};
-
-
-DebugCommandProcessor.prototype.setBreakPointRequest_ =
- function(request, response) {
- // Check for legal request.
- if (!request.arguments) {
- response.failed('Missing arguments');
- return;
- }
-
- // Pull out arguments.
- var type = request.arguments.type;
- var target = request.arguments.target;
- var line = request.arguments.line;
- var column = request.arguments.column;
- var enabled = IS_UNDEFINED(request.arguments.enabled) ?
- true : request.arguments.enabled;
- var condition = request.arguments.condition;
- var ignoreCount = request.arguments.ignoreCount;
- var groupId = request.arguments.groupId;
-
- // Check for legal arguments.
- if (!type || IS_UNDEFINED(target)) {
- response.failed('Missing argument "type" or "target"');
- return;
- }
- if (type != 'function' && type != 'handle' &&
- type != 'script' && type != 'scriptId') {
- response.failed('Illegal type "' + type + '"');
- return;
- }
-
- // Either function or script break point.
- var break_point_number;
- if (type == 'function') {
- // Handle function break point.
- if (!IS_STRING(target)) {
- response.failed('Argument "target" is not a string value');
- return;
- }
- var f;
- try {
- // Find the function through a global evaluate.
- f = this.exec_state_.evaluateGlobal(target).value();
- } catch (e) {
- response.failed('Error: "' + %ToString(e) +
- '" evaluating "' + target + '"');
- return;
- }
- if (!IS_FUNCTION(f)) {
- response.failed('"' + target + '" does not evaluate to a function');
- return;
- }
-
- // Set function break point.
- break_point_number = Debug.setBreakPoint(f, line, column, condition);
- } else if (type == 'handle') {
- // Find the object pointed by the specified handle.
- var handle = parseInt(target, 10);
- var mirror = LookupMirror(handle);
- if (!mirror) {
- return response.failed('Object #' + handle + '# not found');
- }
- if (!mirror.isFunction()) {
- return response.failed('Object #' + handle + '# is not a function');
- }
-
- // Set function break point.
- break_point_number = Debug.setBreakPoint(mirror.value(),
- line, column, condition);
- } else if (type == 'script') {
- // set script break point.
- break_point_number =
- Debug.setScriptBreakPointByName(target, line, column, condition,
- groupId);
- } else { // type == 'scriptId.
- break_point_number =
- Debug.setScriptBreakPointById(target, line, column, condition, groupId);
- }
-
- // Set additional break point properties.
- var break_point = Debug.findBreakPoint(break_point_number);
- if (ignoreCount) {
- Debug.changeBreakPointIgnoreCount(break_point_number, ignoreCount);
- }
- if (!enabled) {
- Debug.disableBreakPoint(break_point_number);
- }
-
- // Add the break point number to the response.
- response.body = { type: type,
- breakpoint: break_point_number }
-
- // Add break point information to the response.
- if (break_point instanceof ScriptBreakPoint) {
- if (break_point.type() == Debug.ScriptBreakPointType.ScriptId) {
- response.body.type = 'scriptId';
- response.body.script_id = break_point.script_id();
- } else {
- response.body.type = 'scriptName';
- response.body.script_name = break_point.script_name();
- }
- response.body.line = break_point.line();
- response.body.column = break_point.column();
- } else {
- response.body.type = 'function';
- }
-};
-
-
-DebugCommandProcessor.prototype.changeBreakPointRequest_ = function(request, response) {
- // Check for legal request.
- if (!request.arguments) {
- response.failed('Missing arguments');
- return;
- }
-
- // Pull out arguments.
- var break_point = %ToNumber(request.arguments.breakpoint);
- var enabled = request.arguments.enabled;
- var condition = request.arguments.condition;
- var ignoreCount = request.arguments.ignoreCount;
-
- // Check for legal arguments.
- if (!break_point) {
- response.failed('Missing argument "breakpoint"');
- return;
- }
-
- // Change enabled state if supplied.
- if (!IS_UNDEFINED(enabled)) {
- if (enabled) {
- Debug.enableBreakPoint(break_point);
- } else {
- Debug.disableBreakPoint(break_point);
- }
- }
-
- // Change condition if supplied
- if (!IS_UNDEFINED(condition)) {
- Debug.changeBreakPointCondition(break_point, condition);
- }
-
- // Change ignore count if supplied
- if (!IS_UNDEFINED(ignoreCount)) {
- Debug.changeBreakPointIgnoreCount(break_point, ignoreCount);
- }
-}
-
-
-DebugCommandProcessor.prototype.clearBreakPointGroupRequest_ = function(request, response) {
- // Check for legal request.
- if (!request.arguments) {
- response.failed('Missing arguments');
- return;
- }
-
- // Pull out arguments.
- var group_id = request.arguments.groupId;
-
- // Check for legal arguments.
- if (!group_id) {
- response.failed('Missing argument "groupId"');
- return;
- }
-
- var cleared_break_points = [];
- var new_script_break_points = [];
- for (var i = 0; i < script_break_points.length; i++) {
- var next_break_point = script_break_points[i];
- if (next_break_point.groupId() == group_id) {
- cleared_break_points.push(next_break_point.number());
- next_break_point.clear();
- } else {
- new_script_break_points.push(next_break_point);
- }
- }
- script_break_points = new_script_break_points;
-
- // Add the cleared break point numbers to the response.
- response.body = { breakpoints: cleared_break_points };
-}
-
-
-DebugCommandProcessor.prototype.clearBreakPointRequest_ = function(request, response) {
- // Check for legal request.
- if (!request.arguments) {
- response.failed('Missing arguments');
- return;
- }
-
- // Pull out arguments.
- var break_point = %ToNumber(request.arguments.breakpoint);
-
- // Check for legal arguments.
- if (!break_point) {
- response.failed('Missing argument "breakpoint"');
- return;
- }
-
- // Clear break point.
- Debug.clearBreakPoint(break_point);
-
- // Add the cleared break point number to the response.
- response.body = { breakpoint: break_point }
-}
-
-
-DebugCommandProcessor.prototype.backtraceRequest_ = function(request, response) {
- // Get the number of frames.
- var total_frames = this.exec_state_.frameCount();
-
- // Create simple response if there are no frames.
- if (total_frames == 0) {
- response.body = {
- totalFrames: total_frames
- }
- return;
- }
-
- // Default frame range to include in backtrace.
- var from_index = 0
- var to_index = kDefaultBacktraceLength;
-
- // Get the range from the arguments.
- if (request.arguments) {
- if (request.arguments.fromFrame) {
- from_index = request.arguments.fromFrame;
- }
- if (request.arguments.toFrame) {
- to_index = request.arguments.toFrame;
- }
- if (request.arguments.bottom) {
- var tmp_index = total_frames - from_index;
- from_index = total_frames - to_index
- to_index = tmp_index;
- }
- if (from_index < 0 || to_index < 0) {
- return response.failed('Invalid frame number');
- }
- }
-
- // Adjust the index.
- to_index = Math.min(total_frames, to_index);
-
- if (to_index <= from_index) {
- var error = 'Invalid frame range';
- return response.failed(error);
- }
-
- // Create the response body.
- var frames = [];
- for (var i = from_index; i < to_index; i++) {
- frames.push(this.exec_state_.frame(i));
- }
- response.body = {
- fromFrame: from_index,
- toFrame: to_index,
- totalFrames: total_frames,
- frames: frames
- }
-};
-
-
-DebugCommandProcessor.prototype.backtracec = function(cmd, args) {
- return this.exec_state_.cframesValue();
-};
-
-
-DebugCommandProcessor.prototype.frameRequest_ = function(request, response) {
- // No frames no source.
- if (this.exec_state_.frameCount() == 0) {
- return response.failed('No frames');
- }
-
- // With no arguments just keep the selected frame.
- if (request.arguments) {
- var index = request.arguments.number;
- if (index < 0 || this.exec_state_.frameCount() <= index) {
- return response.failed('Invalid frame number');
- }
-
- this.exec_state_.setSelectedFrame(request.arguments.number);
- }
- response.body = this.exec_state_.frame();
-};
-
-
-DebugCommandProcessor.prototype.frameForScopeRequest_ = function(request) {
- // Get the frame for which the scope or scopes are requested. With no frameNumber
- // argument use the currently selected frame.
- if (request.arguments && !IS_UNDEFINED(request.arguments.frameNumber)) {
- frame_index = request.arguments.frameNumber;
- if (frame_index < 0 || this.exec_state_.frameCount() <= frame_index) {
- return response.failed('Invalid frame number');
- }
- return this.exec_state_.frame(frame_index);
- } else {
- return this.exec_state_.frame();
- }
-}
-
-
-DebugCommandProcessor.prototype.scopesRequest_ = function(request, response) {
- // No frames no scopes.
- if (this.exec_state_.frameCount() == 0) {
- return response.failed('No scopes');
- }
-
- // Get the frame for which the scopes are requested.
- var frame = this.frameForScopeRequest_(request);
-
- // Fill all scopes for this frame.
- var total_scopes = frame.scopeCount();
- var scopes = [];
- for (var i = 0; i < total_scopes; i++) {
- scopes.push(frame.scope(i));
- }
- response.body = {
- fromScope: 0,
- toScope: total_scopes,
- totalScopes: total_scopes,
- scopes: scopes
- }
-};
-
-
-DebugCommandProcessor.prototype.scopeRequest_ = function(request, response) {
- // No frames no scopes.
- if (this.exec_state_.frameCount() == 0) {
- return response.failed('No scopes');
- }
-
- // Get the frame for which the scope is requested.
- var frame = this.frameForScopeRequest_(request);
-
- // With no scope argument just return top scope.
- var scope_index = 0;
- if (request.arguments && !IS_UNDEFINED(request.arguments.number)) {
- scope_index = %ToNumber(request.arguments.number);
- if (scope_index < 0 || frame.scopeCount() <= scope_index) {
- return response.failed('Invalid scope number');
- }
- }
-
- response.body = frame.scope(scope_index);
-};
-
-
-DebugCommandProcessor.prototype.evaluateRequest_ = function(request, response) {
- if (!request.arguments) {
- return response.failed('Missing arguments');
- }
-
- // Pull out arguments.
- var expression = request.arguments.expression;
- var frame = request.arguments.frame;
- var global = request.arguments.global;
- var disable_break = request.arguments.disable_break;
-
- // The expression argument could be an integer so we convert it to a
- // string.
- try {
- expression = String(expression);
- } catch(e) {
- return response.failed('Failed to convert expression argument to string');
- }
-
- // Check for legal arguments.
- if (!IS_UNDEFINED(frame) && global) {
- return response.failed('Arguments "frame" and "global" are exclusive');
- }
-
- // Global evaluate.
- if (global) {
- // Evaluate in the global context.
- response.body =
- this.exec_state_.evaluateGlobal(expression, Boolean(disable_break));
- return;
- }
-
- // Default value for disable_break is true.
- if (IS_UNDEFINED(disable_break)) {
- disable_break = true;
- }
-
- // No frames no evaluate in frame.
- if (this.exec_state_.frameCount() == 0) {
- return response.failed('No frames');
- }
-
- // Check whether a frame was specified.
- if (!IS_UNDEFINED(frame)) {
- var frame_number = %ToNumber(frame);
- if (frame_number < 0 || frame_number >= this.exec_state_.frameCount()) {
- return response.failed('Invalid frame "' + frame + '"');
- }
- // Evaluate in the specified frame.
- response.body = this.exec_state_.frame(frame_number).evaluate(
- expression, Boolean(disable_break));
- return;
- } else {
- // Evaluate in the selected frame.
- response.body = this.exec_state_.frame().evaluate(
- expression, Boolean(disable_break));
- return;
- }
-};
-
-
-DebugCommandProcessor.prototype.lookupRequest_ = function(request, response) {
- if (!request.arguments) {
- return response.failed('Missing arguments');
- }
-
- // Pull out arguments.
- var handles = request.arguments.handles;
-
- // Check for legal arguments.
- if (IS_UNDEFINED(handles)) {
- return response.failed('Argument "handles" missing');
- }
-
- // Set 'includeSource' option for script lookup.
- if (!IS_UNDEFINED(request.arguments.includeSource)) {
- includeSource = %ToBoolean(request.arguments.includeSource);
- response.setOption('includeSource', includeSource);
- }
-
- // Lookup handles.
- var mirrors = {};
- for (var i = 0; i < handles.length; i++) {
- var handle = handles[i];
- var mirror = LookupMirror(handle);
- if (!mirror) {
- return response.failed('Object #' + handle + '# not found');
- }
- mirrors[handle] = mirror;
- }
- response.body = mirrors;
-};
-
-
-DebugCommandProcessor.prototype.referencesRequest_ =
- function(request, response) {
- if (!request.arguments) {
- return response.failed('Missing arguments');
- }
-
- // Pull out arguments.
- var type = request.arguments.type;
- var handle = request.arguments.handle;
-
- // Check for legal arguments.
- if (IS_UNDEFINED(type)) {
- return response.failed('Argument "type" missing');
- }
- if (IS_UNDEFINED(handle)) {
- return response.failed('Argument "handle" missing');
- }
- if (type != 'referencedBy' && type != 'constructedBy') {
- return response.failed('Invalid type "' + type + '"');
- }
-
- // Lookup handle and return objects with references the object.
- var mirror = LookupMirror(handle);
- if (mirror) {
- if (type == 'referencedBy') {
- response.body = mirror.referencedBy();
- } else {
- response.body = mirror.constructedBy();
- }
- } else {
- return response.failed('Object #' + handle + '# not found');
- }
-};
-
-
-DebugCommandProcessor.prototype.sourceRequest_ = function(request, response) {
- // No frames no source.
- if (this.exec_state_.frameCount() == 0) {
- return response.failed('No source');
- }
-
- var from_line;
- var to_line;
- var frame = this.exec_state_.frame();
- if (request.arguments) {
- // Pull out arguments.
- from_line = request.arguments.fromLine;
- to_line = request.arguments.toLine;
-
- if (!IS_UNDEFINED(request.arguments.frame)) {
- var frame_number = %ToNumber(request.arguments.frame);
- if (frame_number < 0 || frame_number >= this.exec_state_.frameCount()) {
- return response.failed('Invalid frame "' + frame + '"');
- }
- frame = this.exec_state_.frame(frame_number);
- }
- }
-
- // Get the script selected.
- var script = frame.func().script();
- if (!script) {
- return response.failed('No source');
- }
-
- // Get the source slice and fill it into the response.
- var slice = script.sourceSlice(from_line, to_line);
- if (!slice) {
- return response.failed('Invalid line interval');
- }
- response.body = {};
- response.body.source = slice.sourceText();
- response.body.fromLine = slice.from_line;
- response.body.toLine = slice.to_line;
- response.body.fromPosition = slice.from_position;
- response.body.toPosition = slice.to_position;
- response.body.totalLines = script.lineCount();
-};
-
-
-DebugCommandProcessor.prototype.scriptsRequest_ = function(request, response) {
- var types = ScriptTypeFlag(Debug.ScriptType.Normal);
- var includeSource = false;
- var idsToInclude = null;
- if (request.arguments) {
- // Pull out arguments.
- if (!IS_UNDEFINED(request.arguments.types)) {
- types = %ToNumber(request.arguments.types);
- if (isNaN(types) || types < 0) {
- return response.failed('Invalid types "' + request.arguments.types + '"');
- }
- }
-
- if (!IS_UNDEFINED(request.arguments.includeSource)) {
- includeSource = %ToBoolean(request.arguments.includeSource);
- response.setOption('includeSource', includeSource);
- }
-
- if (IS_ARRAY(request.arguments.ids)) {
- idsToInclude = {};
- var ids = request.arguments.ids;
- for (var i = 0; i < ids.length; i++) {
- idsToInclude[ids[i]] = true;
- }
- }
- }
-
- // Collect all scripts in the heap.
- var scripts = %DebugGetLoadedScripts();
-
- response.body = [];
-
- for (var i = 0; i < scripts.length; i++) {
- if (idsToInclude && !idsToInclude[scripts[i].id]) {
- continue;
- }
- if (types & ScriptTypeFlag(scripts[i].type)) {
- response.body.push(MakeMirror(scripts[i]));
- }
- }
-};
-
-
-DebugCommandProcessor.prototype.threadsRequest_ = function(request, response) {
- // Get the number of threads.
- var total_threads = this.exec_state_.threadCount();
-
- // Get information for all threads.
- var threads = [];
- for (var i = 0; i < total_threads; i++) {
- var details = %GetThreadDetails(this.exec_state_.break_id, i);
- var thread_info = { current: details[0],
- id: details[1]
- }
- threads.push(thread_info);
- }
-
- // Create the response body.
- response.body = {
- totalThreads: total_threads,
- threads: threads
- }
-};
-
-
-DebugCommandProcessor.prototype.suspendRequest_ = function(request, response) {
- response.running = false;
-};
-
-
-DebugCommandProcessor.prototype.versionRequest_ = function(request, response) {
- response.body = {
- V8Version: %GetV8Version()
- }
-};
-
-
-DebugCommandProcessor.prototype.profileRequest_ = function(request, response) {
- if (!request.arguments) {
- return response.failed('Missing arguments');
- }
- var modules = parseInt(request.arguments.modules);
- if (isNaN(modules)) {
- return response.failed('Modules is not an integer');
- }
- var tag = parseInt(request.arguments.tag);
- if (isNaN(tag)) {
- tag = 0;
- }
- if (request.arguments.command == 'resume') {
- %ProfilerResume(modules, tag);
- } else if (request.arguments.command == 'pause') {
- %ProfilerPause(modules, tag);
- } else {
- return response.failed('Unknown command');
- }
- response.body = {};
-};
-
-
-DebugCommandProcessor.prototype.changeLiveRequest_ = function(request, response) {
- if (!Debug.LiveEditChangeScript) {
- return response.failed('LiveEdit feature is not supported');
- }
- if (!request.arguments) {
- return response.failed('Missing arguments');
- }
- var script_id = request.arguments.script_id;
- var change_pos = parseInt(request.arguments.change_pos);
- var change_len = parseInt(request.arguments.change_len);
- var new_string = request.arguments.new_string;
- if (!IS_STRING(new_string)) {
- response.failed('Argument "new_string" is not a string value');
- return;
- }
-
- var scripts = %DebugGetLoadedScripts();
-
- var the_script = null;
- for (var i = 0; i < scripts.length; i++) {
- if (scripts[i].id == script_id) {
- the_script = scripts[i];
- }
- }
- if (!the_script) {
- response.failed('Script not found');
- return;
- }
-
- var change_log = new Array();
- try {
- Debug.LiveEditChangeScript(the_script, change_pos, change_len, new_string,
- change_log);
- } catch (e) {
- if (e instanceof Debug.LiveEditChangeScript.Failure) {
- // Let's treat it as a "success" so that body with change_log will be
- // sent back. "change_log" will have "failure" field set.
- change_log.push( { failure: true } );
- } else {
- throw e;
- }
- }
- response.body = {change_log: change_log};
-};
-
-
-// Check whether the previously processed command caused the VM to become
-// running.
-DebugCommandProcessor.prototype.isRunning = function() {
- return this.running_;
-}
-
-
-DebugCommandProcessor.prototype.systemBreak = function(cmd, args) {
- return %SystemBreak();
-};
-
-
-function NumberToHex8Str(n) {
- var r = "";
- for (var i = 0; i < 8; ++i) {
- var c = hexCharArray[n & 0x0F]; // hexCharArray is defined in uri.js
- r = c + r;
- n = n >>> 4;
- }
- return r;
-};
-
-DebugCommandProcessor.prototype.formatCFrames = function(cframes_value) {
- var result = "";
- if (cframes_value == null || cframes_value.length == 0) {
- result += "(stack empty)";
- } else {
- for (var i = 0; i < cframes_value.length; ++i) {
- if (i != 0) result += "\n";
- result += this.formatCFrame(cframes_value[i]);
- }
- }
- return result;
-};
-
-
-DebugCommandProcessor.prototype.formatCFrame = function(cframe_value) {
- var result = "";
- result += "0x" + NumberToHex8Str(cframe_value.address);
- if (!IS_UNDEFINED(cframe_value.text)) {
- result += " " + cframe_value.text;
- }
- return result;
-}
-
-
-/**
- * Convert an Object to its debugger protocol representation. The representation
- * may be serilized to a JSON object using JSON.stringify().
- * This implementation simply runs through all string property names, converts
- * each property value to a protocol value and adds the property to the result
- * object. For type "object" the function will be called recursively. Note that
- * circular structures will cause infinite recursion.
- * @param {Object} object The object to format as protocol object.
- * @param {MirrorSerializer} mirror_serializer The serializer to use if any
- * mirror objects are encountered.
- * @return {Object} Protocol object value.
- */
-function ObjectToProtocolObject_(object, mirror_serializer) {
- var content = {};
- for (var key in object) {
- // Only consider string keys.
- if (typeof key == 'string') {
- // Format the value based on its type.
- var property_value_json = ValueToProtocolValue_(object[key],
- mirror_serializer);
- // Add the property if relevant.
- if (!IS_UNDEFINED(property_value_json)) {
- content[key] = property_value_json;
- }
- }
- }
-
- return content;
-}
-
-
-/**
- * Convert an array to its debugger protocol representation. It will convert
- * each array element to a protocol value.
- * @param {Array} array The array to format as protocol array.
- * @param {MirrorSerializer} mirror_serializer The serializer to use if any
- * mirror objects are encountered.
- * @return {Array} Protocol array value.
- */
-function ArrayToProtocolArray_(array, mirror_serializer) {
- var json = [];
- for (var i = 0; i < array.length; i++) {
- json.push(ValueToProtocolValue_(array[i], mirror_serializer));
- }
- return json;
-}
-
-
-/**
- * Convert a value to its debugger protocol representation.
- * @param {*} value The value to format as protocol value.
- * @param {MirrorSerializer} mirror_serializer The serializer to use if any
- * mirror objects are encountered.
- * @return {*} Protocol value.
- */
-function ValueToProtocolValue_(value, mirror_serializer) {
- // Format the value based on its type.
- var json;
- switch (typeof value) {
- case 'object':
- if (value instanceof Mirror) {
- json = mirror_serializer.serializeValue(value);
- } else if (IS_ARRAY(value)){
- json = ArrayToProtocolArray_(value, mirror_serializer);
- } else {
- json = ObjectToProtocolObject_(value, mirror_serializer);
- }
- break;
-
- case 'boolean':
- case 'string':
- case 'number':
- json = value;
- break
-
- default:
- json = null;
- }
- return json;
-}
+++ /dev/null
-// Copyright 2009 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-var $JSON = global.JSON;
-
-function ParseJSONUnfiltered(text) {
- var s = $String(text);
- var f = %CompileString(text, true);
- return f();
-}
-
-function Revive(holder, name, reviver) {
- var val = holder[name];
- if (IS_OBJECT(val)) {
- if (IS_ARRAY(val)) {
- var length = val.length;
- for (var i = 0; i < length; i++) {
- var newElement = Revive(val, $String(i), reviver);
- val[i] = newElement;
- }
- } else {
- for (var p in val) {
- if (ObjectHasOwnProperty.call(val, p)) {
- var newElement = Revive(val, p, reviver);
- if (IS_UNDEFINED(newElement)) {
- delete val[p];
- } else {
- val[p] = newElement;
- }
- }
- }
- }
- }
- return reviver.call(holder, name, val);
-}
-
-function JSONParse(text, reviver) {
- var unfiltered = ParseJSONUnfiltered(text);
- if (IS_FUNCTION(reviver)) {
- return Revive({'': unfiltered}, '', reviver);
- } else {
- return unfiltered;
- }
-}
-
-var characterQuoteCache = {
- '\"': '\\"',
- '\\': '\\\\',
- '/': '\\/',
- '\b': '\\b',
- '\f': '\\f',
- '\n': '\\n',
- '\r': '\\r',
- '\t': '\\t',
- '\x0B': '\\u000b'
-};
-
-function QuoteSingleJSONCharacter(c) {
- if (c in characterQuoteCache) {
- return characterQuoteCache[c];
- }
- var charCode = c.charCodeAt(0);
- var result;
- if (charCode < 16) result = '\\u000';
- else if (charCode < 256) result = '\\u00';
- else if (charCode < 4096) result = '\\u0';
- else result = '\\u';
- result += charCode.toString(16);
- characterQuoteCache[c] = result;
- return result;
-}
-
-function QuoteJSONString(str) {
- var quotable = /[\\\"\x00-\x1f\x80-\uffff]/g;
- return '"' + str.replace(quotable, QuoteSingleJSONCharacter) + '"';
-}
-
-function StackContains(stack, val) {
- var length = stack.length;
- for (var i = 0; i < length; i++) {
- if (stack[i] === val) {
- return true;
- }
- }
- return false;
-}
-
-function SerializeArray(value, replacer, stack, indent, gap) {
- if (StackContains(stack, value)) {
- throw MakeTypeError('circular_structure', []);
- }
- stack.push(value);
- var stepback = indent;
- indent += gap;
- var partial = [];
- var len = value.length;
- for (var i = 0; i < len; i++) {
- var strP = JSONSerialize($String(i), value, replacer, stack,
- indent, gap);
- if (IS_UNDEFINED(strP)) {
- strP = "null";
- }
- partial.push(strP);
- }
- var final;
- if (gap == "") {
- final = "[" + partial.join(",") + "]";
- } else if (partial.length > 0) {
- var separator = ",\n" + indent;
- final = "[\n" + indent + partial.join(separator) + "\n" +
- stepback + "]";
- } else {
- final = "[]";
- }
- stack.pop();
- return final;
-}
-
-function SerializeObject(value, replacer, stack, indent, gap) {
- if (StackContains(stack, value)) {
- throw MakeTypeError('circular_structure', []);
- }
- stack.push(value);
- var stepback = indent;
- indent += gap;
- var partial = [];
- if (IS_ARRAY(replacer)) {
- var length = replacer.length;
- for (var i = 0; i < length; i++) {
- if (ObjectHasOwnProperty.call(replacer, i)) {
- var p = replacer[i];
- var strP = JSONSerialize(p, value, replacer, stack, indent, gap);
- if (!IS_UNDEFINED(strP)) {
- var member = QuoteJSONString(p) + ":";
- if (gap != "") member += " ";
- member += strP;
- partial.push(member);
- }
- }
- }
- } else {
- for (var p in value) {
- if (ObjectHasOwnProperty.call(value, p)) {
- var strP = JSONSerialize(p, value, replacer, stack, indent, gap);
- if (!IS_UNDEFINED(strP)) {
- var member = QuoteJSONString(p) + ":";
- if (gap != "") member += " ";
- member += strP;
- partial.push(member);
- }
- }
- }
- }
- var final;
- if (gap == "") {
- final = "{" + partial.join(",") + "}";
- } else if (partial.length > 0) {
- var separator = ",\n" + indent;
- final = "{\n" + indent + partial.join(separator) + "\n" +
- stepback + "}";
- } else {
- final = "{}";
- }
- stack.pop();
- return final;
-}
-
-function JSONSerialize(key, holder, replacer, stack, indent, gap) {
- var value = holder[key];
- if (IS_OBJECT(value) && value) {
- var toJSON = value.toJSON;
- if (IS_FUNCTION(toJSON)) {
- value = toJSON.call(value, key);
- }
- }
- if (IS_FUNCTION(replacer)) {
- value = replacer.call(holder, key, value);
- }
- // Unwrap value if necessary
- if (IS_OBJECT(value)) {
- if (IS_NUMBER_WRAPPER(value)) {
- value = $Number(value);
- } else if (IS_STRING_WRAPPER(value)) {
- value = $String(value);
- } else if (IS_BOOLEAN_WRAPPER(value)) {
- value = $Boolean(value);
- }
- }
- switch (typeof value) {
- case "string":
- return QuoteJSONString(value);
- case "object":
- if (!value) {
- return "null";
- } else if (IS_ARRAY(value)) {
- return SerializeArray(value, replacer, stack, indent, gap);
- } else {
- return SerializeObject(value, replacer, stack, indent, gap);
- }
- case "number":
- return $isFinite(value) ? $String(value) : "null";
- case "boolean":
- return value ? "true" : "false";
- }
-}
-
-function JSONStringify(value, replacer, space) {
- var stack = [];
- var indent = "";
- if (IS_OBJECT(space)) {
- // Unwrap 'space' if it is wrapped
- if (IS_NUMBER_WRAPPER(space)) {
- space = $Number(space);
- } else if (IS_STRING_WRAPPER(space)) {
- space = $String(space);
- }
- }
- var gap;
- if (IS_NUMBER(space)) {
- space = $Math.min(space, 10);
- gap = "";
- for (var i = 0; i < space; i++) {
- gap += " ";
- }
- } else if (IS_STRING(space)) {
- if (space.length > 10) {
- gap = space.substring(0, 10);
- } else {
- gap = space;
- }
- } else {
- gap = "";
- }
- return JSONSerialize('', {'': value}, replacer, stack, indent, gap);
-}
-
-function SetupJSON() {
- InstallFunctions($JSON, DONT_ENUM, $Array(
- "parse", JSONParse,
- "stringify", JSONStringify
- ));
-}
-
-SetupJSON();
+++ /dev/null
-// Copyright 2010 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// LiveEdit feature implementation. The script should be executed after
-// debug-delay.js.
-
-
-// Changes script text and recompiles all relevant functions if possible.
-// The change is always a substring (change_pos, change_pos + change_len)
-// being replaced with a completely different string new_str.
-//
-// Only one function will have its Code changed in result of this function.
-// All nested functions (should they have any instances at the moment) are left
-// unchanged and re-linked to a newly created script instance representing old
-// version of the source. (Generally speaking,
-// during the change all nested functions are erased and completely different
-// set of nested functions are introduced.) All other functions just have
-// their positions updated.
-//
-// @param {Script} script that is being changed
-// @param {Array} change_log a list that collects engineer-readable description
-// of what happened.
-Debug.LiveEditChangeScript = function(script, change_pos, change_len, new_str,
- change_log) {
-
- // So far the function works as namespace.
- var liveedit = Debug.LiveEditChangeScript;
- var Assert = liveedit.Assert;
-
- // Fully compiles source string as a script. Returns Array of
- // FunctionCompileInfo -- a descriptions of all functions of the script.
- // Elements of array are ordered by start positions of functions (from top
- // to bottom) in the source. Fields outer_index and next_sibling_index help
- // to navigate the nesting structure of functions.
- //
- // The script is used for compilation, because it produces code that
- // needs to be linked with some particular script (for nested functions).
- function DebugGatherCompileInfo(source) {
- // Get function info, elements are partially sorted (it is a tree
- // of nested functions serialized as parent followed by serialized children.
- var raw_compile_info = %LiveEditGatherCompileInfo(script, source);
-
- // Sort function infos by start position field.
- var compile_info = new Array();
- var old_index_map = new Array();
- for (var i = 0; i < raw_compile_info.length; i++) {
- compile_info.push(new liveedit.FunctionCompileInfo(raw_compile_info[i]));
- old_index_map.push(i);
- }
-
- for (var i = 0; i < compile_info.length; i++) {
- var k = i;
- for (var j = i + 1; j < compile_info.length; j++) {
- if (compile_info[k].start_position > compile_info[j].start_position) {
- k = j;
- }
- }
- if (k != i) {
- var temp_info = compile_info[k];
- var temp_index = old_index_map[k];
- compile_info[k] = compile_info[i];
- old_index_map[k] = old_index_map[i];
- compile_info[i] = temp_info;
- old_index_map[i] = temp_index;
- }
- }
-
- // After sorting update outer_inder field using old_index_map. Also
- // set next_sibling_index field.
- var current_index = 0;
-
- // The recursive function, that goes over all children of a particular
- // node (i.e. function info).
- function ResetIndexes(new_parent_index, old_parent_index) {
- var previous_sibling = -1;
- while (current_index < compile_info.length &&
- compile_info[current_index].outer_index == old_parent_index) {
- var saved_index = current_index;
- compile_info[saved_index].outer_index = new_parent_index;
- if (previous_sibling != -1) {
- compile_info[previous_sibling].next_sibling_index = saved_index;
- }
- previous_sibling = saved_index;
- current_index++;
- ResetIndexes(saved_index, old_index_map[saved_index]);
- }
- if (previous_sibling != -1) {
- compile_info[previous_sibling].next_sibling_index = -1;
- }
- }
-
- ResetIndexes(-1, -1);
- Assert(current_index == compile_info.length);
-
- return compile_info;
- }
-
- // Given a positions, finds a function that fully includes the entire change.
- function FindChangedFunction(compile_info, offset, len) {
- // First condition: function should start before the change region.
- // Function #0 (whole-script function) always does, but we want
- // one, that is later in this list.
- var index = 0;
- while (index + 1 < compile_info.length &&
- compile_info[index + 1].start_position <= offset) {
- index++;
- }
- // Now we are at the last function that begins before the change
- // region. The function that covers entire change region is either
- // this function or the enclosing one.
- for (; compile_info[index].end_position < offset + len;
- index = compile_info[index].outer_index) {
- Assert(index != -1);
- }
- return index;
- }
-
- // Variable forward declarations. Preprocessor "Minifier" needs them.
- var old_compile_info;
- var shared_infos;
- // Finds SharedFunctionInfo that corresponds compile info with index
- // in old version of the script.
- function FindFunctionInfo(index) {
- var old_info = old_compile_info[index];
- for (var i = 0; i < shared_infos.length; i++) {
- var info = shared_infos[i];
- if (info.start_position == old_info.start_position &&
- info.end_position == old_info.end_position) {
- return info;
- }
- }
- }
-
- // Replaces function's Code.
- function PatchCode(new_info, shared_info) {
- %LiveEditReplaceFunctionCode(new_info.raw_array, shared_info.raw_array);
-
- change_log.push( {function_patched: new_info.function_name} );
- }
-
- var change_len_old;
- var change_len_new;
- // Translate position in old version of script into position in new
- // version of script.
- function PosTranslator(old_pos) {
- if (old_pos <= change_pos) {
- return old_pos;
- }
- if (old_pos >= change_pos + change_len_old) {
- return old_pos + change_len_new - change_len_old;
- }
- return -1;
- }
-
- var position_change_array;
- var position_patch_report;
- function PatchPositions(new_info, shared_info) {
- if (!shared_info) {
- // TODO: explain what is happening.
- return;
- }
- %LiveEditPatchFunctionPositions(shared_info.raw_array,
- position_change_array);
- position_patch_report.push( { name: new_info.function_name } );
- }
-
- var link_to_old_script_report;
- var old_script;
- // Makes a function associated with another instance of a script (the
- // one representing its old version). This way the function still
- // may access its own text.
- function LinkToOldScript(shared_info) {
- %LiveEditRelinkFunctionToScript(shared_info.raw_array, old_script);
-
- link_to_old_script_report.push( { name: shared_info.function_name } );
- }
-
-
-
- var old_source = script.source;
- var change_len_old = change_len;
- var change_len_new = new_str.length;
-
- // Prepare new source string.
- var new_source = old_source.substring(0, change_pos) +
- new_str + old_source.substring(change_pos + change_len);
-
- // Find all SharedFunctionInfo's that are compiled from this script.
- var shared_raw_list = %LiveEditFindSharedFunctionInfosForScript(script);
-
- var shared_infos = new Array();
-
- for (var i = 0; i < shared_raw_list.length; i++) {
- shared_infos.push(new liveedit.SharedInfoWrapper(shared_raw_list[i]));
- }
-
- // Gather compile information about old version of script.
- var old_compile_info = DebugGatherCompileInfo(old_source);
-
- // Gather compile information about new version of script.
- var new_compile_info;
- try {
- new_compile_info = DebugGatherCompileInfo(new_source);
- } catch (e) {
- throw new liveedit.Failure("Failed to compile new version of script: " + e);
- }
-
- // An index of a single function, that is going to have its code replaced.
- var function_being_patched =
- FindChangedFunction(old_compile_info, change_pos, change_len_old);
-
- // In old and new script versions function with a change should have the
- // same indexes.
- var function_being_patched2 =
- FindChangedFunction(new_compile_info, change_pos, change_len_new);
- Assert(function_being_patched == function_being_patched2,
- "inconsistent old/new compile info");
-
- // Check that function being patched has the same expectations in a new
- // version. Otherwise we cannot safely patch its behavior and should
- // choose the outer function instead.
- while (!liveedit.CompareFunctionExpectations(
- old_compile_info[function_being_patched],
- new_compile_info[function_being_patched])) {
-
- Assert(old_compile_info[function_being_patched].outer_index ==
- new_compile_info[function_being_patched].outer_index);
- function_being_patched =
- old_compile_info[function_being_patched].outer_index;
- Assert(function_being_patched != -1);
- }
-
- // Check that function being patched is not currently on stack.
- liveedit.CheckStackActivations(
- [ FindFunctionInfo(function_being_patched) ], change_log );
-
-
- // Committing all changes.
- var old_script_name = liveedit.CreateNameForOldScript(script);
-
- // Update the script text and create a new script representing an old
- // version of the script.
- var old_script = %LiveEditReplaceScript(script, new_source, old_script_name);
-
- PatchCode(new_compile_info[function_being_patched],
- FindFunctionInfo(function_being_patched));
-
- var position_patch_report = new Array();
- change_log.push( {position_patched: position_patch_report} );
-
- var position_change_array = [ change_pos,
- change_pos + change_len_old,
- change_pos + change_len_new ];
-
- // Update positions of all outer functions (i.e. all functions, that
- // are partially below the function being patched).
- for (var i = new_compile_info[function_being_patched].outer_index;
- i != -1;
- i = new_compile_info[i].outer_index) {
- PatchPositions(new_compile_info[i], FindFunctionInfo(i));
- }
-
- // Update positions of all functions that are fully below the function
- // being patched.
- var old_next_sibling =
- old_compile_info[function_being_patched].next_sibling_index;
- var new_next_sibling =
- new_compile_info[function_being_patched].next_sibling_index;
-
- // We simply go over the tail of both old and new lists. Their tails should
- // have an identical structure.
- if (old_next_sibling == -1) {
- Assert(new_next_sibling == -1);
- } else {
- Assert(old_compile_info.length - old_next_sibling ==
- new_compile_info.length - new_next_sibling);
-
- for (var i = old_next_sibling, j = new_next_sibling;
- i < old_compile_info.length; i++, j++) {
- PatchPositions(new_compile_info[j], FindFunctionInfo(i));
- }
- }
-
- var link_to_old_script_report = new Array();
- change_log.push( { linked_to_old_script: link_to_old_script_report } );
-
- // We need to link to old script all former nested functions.
- for (var i = function_being_patched + 1; i < old_next_sibling; i++) {
- LinkToOldScript(FindFunctionInfo(i), old_script);
- }
-}
-
-Debug.LiveEditChangeScript.Assert = function(condition, message) {
- if (!condition) {
- if (message) {
- throw "Assert " + message;
- } else {
- throw "Assert";
- }
- }
-}
-
-// An object describing function compilation details. Its index fields
-// apply to indexes inside array that stores these objects.
-Debug.LiveEditChangeScript.FunctionCompileInfo = function(raw_array) {
- this.function_name = raw_array[0];
- this.start_position = raw_array[1];
- this.end_position = raw_array[2];
- this.param_num = raw_array[3];
- this.code = raw_array[4];
- this.scope_info = raw_array[5];
- this.outer_index = raw_array[6];
- this.next_sibling_index = null;
- this.raw_array = raw_array;
-}
-
-// A structure describing SharedFunctionInfo.
-Debug.LiveEditChangeScript.SharedInfoWrapper = function(raw_array) {
- this.function_name = raw_array[0];
- this.start_position = raw_array[1];
- this.end_position = raw_array[2];
- this.info = raw_array[3];
- this.raw_array = raw_array;
-}
-
-// Adds a suffix to script name to mark that it is old version.
-Debug.LiveEditChangeScript.CreateNameForOldScript = function(script) {
- // TODO(635): try better than this; support several changes.
- return script.name + " (old)";
-}
-
-// Compares a function interface old and new version, whether it
-// changed or not.
-Debug.LiveEditChangeScript.CompareFunctionExpectations =
- function(function_info1, function_info2) {
- // Check that function has the same number of parameters (there may exist
- // an adapter, that won't survive function parameter number change).
- if (function_info1.param_num != function_info2.param_num) {
- return false;
- }
- var scope_info1 = function_info1.scope_info;
- var scope_info2 = function_info2.scope_info;
-
- if (!scope_info1) {
- return !scope_info2;
- }
-
- if (scope_info1.length != scope_info2.length) {
- return false;
- }
-
- // Check that outer scope structure is not changed. Otherwise the function
- // will not properly work with existing scopes.
- return scope_info1.toString() == scope_info2.toString();
-}
-
-// For array of wrapped shared function infos checks that none of them
-// have activations on stack (of any thread). Throws a Failure exception
-// if this proves to be false.
-Debug.LiveEditChangeScript.CheckStackActivations = function(shared_wrapper_list,
- change_log) {
- var liveedit = Debug.LiveEditChangeScript;
-
- var shared_list = new Array();
- for (var i = 0; i < shared_wrapper_list.length; i++) {
- shared_list[i] = shared_wrapper_list[i].info;
- }
- var result = %LiveEditCheckStackActivations(shared_list);
- var problems = new Array();
- for (var i = 0; i < shared_list.length; i++) {
- if (result[i] == liveedit.FunctionPatchabilityStatus.FUNCTION_BLOCKED_ON_STACK) {
- var shared = shared_list[i];
- var description = {
- name: shared.function_name,
- start_pos: shared.start_position,
- end_pos: shared.end_position
- };
- problems.push(description);
- }
- }
- if (problems.length > 0) {
- change_log.push( { functions_on_stack: problems } );
- throw new liveedit.Failure("Blocked by functions on stack");
- }
-}
-
-// A copy of the FunctionPatchabilityStatus enum from liveedit.h
-Debug.LiveEditChangeScript.FunctionPatchabilityStatus = {
- FUNCTION_AVAILABLE_FOR_PATCH: 0,
- FUNCTION_BLOCKED_ON_STACK: 1
-}
-
-
-// A logical failure in liveedit process. This means that change_log
-// is valid and consistent description of what happened.
-Debug.LiveEditChangeScript.Failure = function(message) {
- this.message = message;
-}
-
-Debug.LiveEditChangeScript.Failure.prototype.toString = function() {
- return "LiveEdit Failure: " + this.message;
-}
-
-// A testing entry.
-Debug.LiveEditChangeScript.GetPcFromSourcePos = function(func, source_pos) {
- return %GetFunctionCodePositionFromSource(func, source_pos);
-}
+++ /dev/null
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Touch the RegExp and Date functions to make sure that date-delay.js and
-// regexp-delay.js has been loaded. This is required as the mirrors use
-// functions within these files through the builtins object.
-RegExp;
-Date;
-
-
-// Handle id counters.
-var next_handle_ = 0;
-var next_transient_handle_ = -1;
-
-// Mirror cache.
-var mirror_cache_ = [];
-
-
-/**
- * Clear the mirror handle cache.
- */
-function ClearMirrorCache() {
- next_handle_ = 0;
- mirror_cache_ = [];
-}
-
-
-/**
- * Returns the mirror for a specified value or object.
- *
- * @param {value or Object} value the value or object to retreive the mirror for
- * @param {boolean} transient indicate whether this object is transient and
- * should not be added to the mirror cache. The default is not transient.
- * @returns {Mirror} the mirror reflects the passed value or object
- */
-function MakeMirror(value, opt_transient) {
- var mirror;
-
- // Look for non transient mirrors in the mirror cache.
- if (!opt_transient) {
- for (id in mirror_cache_) {
- mirror = mirror_cache_[id];
- if (mirror.value() === value) {
- return mirror;
- }
- // Special check for NaN as NaN == NaN is false.
- if (mirror.isNumber() && isNaN(mirror.value()) &&
- typeof value == 'number' && isNaN(value)) {
- return mirror;
- }
- }
- }
-
- if (IS_UNDEFINED(value)) {
- mirror = new UndefinedMirror();
- } else if (IS_NULL(value)) {
- mirror = new NullMirror();
- } else if (IS_BOOLEAN(value)) {
- mirror = new BooleanMirror(value);
- } else if (IS_NUMBER(value)) {
- mirror = new NumberMirror(value);
- } else if (IS_STRING(value)) {
- mirror = new StringMirror(value);
- } else if (IS_ARRAY(value)) {
- mirror = new ArrayMirror(value);
- } else if (IS_DATE(value)) {
- mirror = new DateMirror(value);
- } else if (IS_FUNCTION(value)) {
- mirror = new FunctionMirror(value);
- } else if (IS_REGEXP(value)) {
- mirror = new RegExpMirror(value);
- } else if (IS_ERROR(value)) {
- mirror = new ErrorMirror(value);
- } else if (IS_SCRIPT(value)) {
- mirror = new ScriptMirror(value);
- } else {
- mirror = new ObjectMirror(value, OBJECT_TYPE, opt_transient);
- }
-
- mirror_cache_[mirror.handle()] = mirror;
- return mirror;
-}
-
-
-/**
- * Returns the mirror for a specified mirror handle.
- *
- * @param {number} handle the handle to find the mirror for
- * @returns {Mirror or undefiend} the mirror with the requested handle or
- * undefined if no mirror with the requested handle was found
- */
-function LookupMirror(handle) {
- return mirror_cache_[handle];
-}
-
-
-/**
- * Returns the mirror for the undefined value.
- *
- * @returns {Mirror} the mirror reflects the undefined value
- */
-function GetUndefinedMirror() {
- return MakeMirror(void 0);
-}
-
-
-/**
- * Inherit the prototype methods from one constructor into another.
- *
- * The Function.prototype.inherits from lang.js rewritten as a standalone
- * function (not on Function.prototype). NOTE: If this file is to be loaded
- * during bootstrapping this function needs to be revritten using some native
- * functions as prototype setup using normal JavaScript does not work as
- * expected during bootstrapping (see mirror.js in r114903).
- *
- * @param {function} ctor Constructor function which needs to inherit the
- * prototype
- * @param {function} superCtor Constructor function to inherit prototype from
- */
-function inherits(ctor, superCtor) {
- var tempCtor = function(){};
- tempCtor.prototype = superCtor.prototype;
- ctor.super_ = superCtor.prototype;
- ctor.prototype = new tempCtor();
- ctor.prototype.constructor = ctor;
-}
-
-
-// Type names of the different mirrors.
-const UNDEFINED_TYPE = 'undefined';
-const NULL_TYPE = 'null';
-const BOOLEAN_TYPE = 'boolean';
-const NUMBER_TYPE = 'number';
-const STRING_TYPE = 'string';
-const OBJECT_TYPE = 'object';
-const FUNCTION_TYPE = 'function';
-const REGEXP_TYPE = 'regexp';
-const ERROR_TYPE = 'error';
-const PROPERTY_TYPE = 'property';
-const FRAME_TYPE = 'frame';
-const SCRIPT_TYPE = 'script';
-const CONTEXT_TYPE = 'context';
-const SCOPE_TYPE = 'scope';
-
-// Maximum length when sending strings through the JSON protocol.
-const kMaxProtocolStringLength = 80;
-
-// Different kind of properties.
-PropertyKind = {};
-PropertyKind.Named = 1;
-PropertyKind.Indexed = 2;
-
-
-// A copy of the PropertyType enum from global.h
-PropertyType = {};
-PropertyType.Normal = 0;
-PropertyType.Field = 1;
-PropertyType.ConstantFunction = 2;
-PropertyType.Callbacks = 3;
-PropertyType.Interceptor = 4;
-PropertyType.MapTransition = 5;
-PropertyType.ConstantTransition = 6;
-PropertyType.NullDescriptor = 7;
-
-
-// Different attributes for a property.
-PropertyAttribute = {};
-PropertyAttribute.None = NONE;
-PropertyAttribute.ReadOnly = READ_ONLY;
-PropertyAttribute.DontEnum = DONT_ENUM;
-PropertyAttribute.DontDelete = DONT_DELETE;
-
-
-// A copy of the scope types from runtime.cc.
-ScopeType = { Global: 0,
- Local: 1,
- With: 2,
- Closure: 3,
- Catch: 4 };
-
-
-// Mirror hierarchy:
-// - Mirror
-// - ValueMirror
-// - UndefinedMirror
-// - NullMirror
-// - NumberMirror
-// - StringMirror
-// - ObjectMirror
-// - FunctionMirror
-// - UnresolvedFunctionMirror
-// - ArrayMirror
-// - DateMirror
-// - RegExpMirror
-// - ErrorMirror
-// - PropertyMirror
-// - FrameMirror
-// - ScriptMirror
-
-
-/**
- * Base class for all mirror objects.
- * @param {string} type The type of the mirror
- * @constructor
- */
-function Mirror(type) {
- this.type_ = type;
-};
-
-
-Mirror.prototype.type = function() {
- return this.type_;
-};
-
-
-/**
- * Check whether the mirror reflects a value.
- * @returns {boolean} True if the mirror reflects a value.
- */
-Mirror.prototype.isValue = function() {
- return this instanceof ValueMirror;
-}
-
-
-/**
- * Check whether the mirror reflects the undefined value.
- * @returns {boolean} True if the mirror reflects the undefined value.
- */
-Mirror.prototype.isUndefined = function() {
- return this instanceof UndefinedMirror;
-}
-
-
-/**
- * Check whether the mirror reflects the null value.
- * @returns {boolean} True if the mirror reflects the null value
- */
-Mirror.prototype.isNull = function() {
- return this instanceof NullMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a boolean value.
- * @returns {boolean} True if the mirror reflects a boolean value
- */
-Mirror.prototype.isBoolean = function() {
- return this instanceof BooleanMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a number value.
- * @returns {boolean} True if the mirror reflects a number value
- */
-Mirror.prototype.isNumber = function() {
- return this instanceof NumberMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a string value.
- * @returns {boolean} True if the mirror reflects a string value
- */
-Mirror.prototype.isString = function() {
- return this instanceof StringMirror;
-}
-
-
-/**
- * Check whether the mirror reflects an object.
- * @returns {boolean} True if the mirror reflects an object
- */
-Mirror.prototype.isObject = function() {
- return this instanceof ObjectMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a function.
- * @returns {boolean} True if the mirror reflects a function
- */
-Mirror.prototype.isFunction = function() {
- return this instanceof FunctionMirror;
-}
-
-
-/**
- * Check whether the mirror reflects an unresolved function.
- * @returns {boolean} True if the mirror reflects an unresolved function
- */
-Mirror.prototype.isUnresolvedFunction = function() {
- return this instanceof UnresolvedFunctionMirror;
-}
-
-
-/**
- * Check whether the mirror reflects an array.
- * @returns {boolean} True if the mirror reflects an array
- */
-Mirror.prototype.isArray = function() {
- return this instanceof ArrayMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a date.
- * @returns {boolean} True if the mirror reflects a date
- */
-Mirror.prototype.isDate = function() {
- return this instanceof DateMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a regular expression.
- * @returns {boolean} True if the mirror reflects a regular expression
- */
-Mirror.prototype.isRegExp = function() {
- return this instanceof RegExpMirror;
-}
-
-
-/**
- * Check whether the mirror reflects an error.
- * @returns {boolean} True if the mirror reflects an error
- */
-Mirror.prototype.isError = function() {
- return this instanceof ErrorMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a property.
- * @returns {boolean} True if the mirror reflects a property
- */
-Mirror.prototype.isProperty = function() {
- return this instanceof PropertyMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a stack frame.
- * @returns {boolean} True if the mirror reflects a stack frame
- */
-Mirror.prototype.isFrame = function() {
- return this instanceof FrameMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a script.
- * @returns {boolean} True if the mirror reflects a script
- */
-Mirror.prototype.isScript = function() {
- return this instanceof ScriptMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a context.
- * @returns {boolean} True if the mirror reflects a context
- */
-Mirror.prototype.isContext = function() {
- return this instanceof ContextMirror;
-}
-
-
-/**
- * Check whether the mirror reflects a scope.
- * @returns {boolean} True if the mirror reflects a scope
- */
-Mirror.prototype.isScope = function() {
- return this instanceof ScopeMirror;
-}
-
-
-/**
- * Allocate a handle id for this object.
- */
-Mirror.prototype.allocateHandle_ = function() {
- this.handle_ = next_handle_++;
-}
-
-
-/**
- * Allocate a transient handle id for this object. Transient handles are
- * negative.
- */
-Mirror.prototype.allocateTransientHandle_ = function() {
- this.handle_ = next_transient_handle_--;
-}
-
-
-Mirror.prototype.toText = function() {
- // Simpel to text which is used when on specialization in subclass.
- return "#<" + builtins.GetInstanceName(this.constructor.name) + ">";
-}
-
-
-/**
- * Base class for all value mirror objects.
- * @param {string} type The type of the mirror
- * @param {value} value The value reflected by this mirror
- * @param {boolean} transient indicate whether this object is transient with a
- * transient handle
- * @constructor
- * @extends Mirror
- */
-function ValueMirror(type, value, transient) {
- Mirror.call(this, type);
- this.value_ = value;
- if (!transient) {
- this.allocateHandle_();
- } else {
- this.allocateTransientHandle_();
- }
-}
-inherits(ValueMirror, Mirror);
-
-
-Mirror.prototype.handle = function() {
- return this.handle_;
-};
-
-
-/**
- * Check whether this is a primitive value.
- * @return {boolean} True if the mirror reflects a primitive value
- */
-ValueMirror.prototype.isPrimitive = function() {
- var type = this.type();
- return type === 'undefined' ||
- type === 'null' ||
- type === 'boolean' ||
- type === 'number' ||
- type === 'string';
-};
-
-
-/**
- * Get the actual value reflected by this mirror.
- * @return {value} The value reflected by this mirror
- */
-ValueMirror.prototype.value = function() {
- return this.value_;
-};
-
-
-/**
- * Mirror object for Undefined.
- * @constructor
- * @extends ValueMirror
- */
-function UndefinedMirror() {
- ValueMirror.call(this, UNDEFINED_TYPE, void 0);
-}
-inherits(UndefinedMirror, ValueMirror);
-
-
-UndefinedMirror.prototype.toText = function() {
- return 'undefined';
-}
-
-
-/**
- * Mirror object for null.
- * @constructor
- * @extends ValueMirror
- */
-function NullMirror() {
- ValueMirror.call(this, NULL_TYPE, null);
-}
-inherits(NullMirror, ValueMirror);
-
-
-NullMirror.prototype.toText = function() {
- return 'null';
-}
-
-
-/**
- * Mirror object for boolean values.
- * @param {boolean} value The boolean value reflected by this mirror
- * @constructor
- * @extends ValueMirror
- */
-function BooleanMirror(value) {
- ValueMirror.call(this, BOOLEAN_TYPE, value);
-}
-inherits(BooleanMirror, ValueMirror);
-
-
-BooleanMirror.prototype.toText = function() {
- return this.value_ ? 'true' : 'false';
-}
-
-
-/**
- * Mirror object for number values.
- * @param {number} value The number value reflected by this mirror
- * @constructor
- * @extends ValueMirror
- */
-function NumberMirror(value) {
- ValueMirror.call(this, NUMBER_TYPE, value);
-}
-inherits(NumberMirror, ValueMirror);
-
-
-NumberMirror.prototype.toText = function() {
- return %NumberToString(this.value_);
-}
-
-
-/**
- * Mirror object for string values.
- * @param {string} value The string value reflected by this mirror
- * @constructor
- * @extends ValueMirror
- */
-function StringMirror(value) {
- ValueMirror.call(this, STRING_TYPE, value);
-}
-inherits(StringMirror, ValueMirror);
-
-
-StringMirror.prototype.length = function() {
- return this.value_.length;
-};
-
-StringMirror.prototype.getTruncatedValue = function(maxLength) {
- if (maxLength != -1 && this.length() > maxLength) {
- return this.value_.substring(0, maxLength) +
- '... (length: ' + this.length() + ')';
- }
- return this.value_;
-}
-
-StringMirror.prototype.toText = function() {
- return this.getTruncatedValue(kMaxProtocolStringLength);
-}
-
-
-/**
- * Mirror object for objects.
- * @param {object} value The object reflected by this mirror
- * @param {boolean} transient indicate whether this object is transient with a
- * transient handle
- * @constructor
- * @extends ValueMirror
- */
-function ObjectMirror(value, type, transient) {
- ValueMirror.call(this, type || OBJECT_TYPE, value, transient);
-}
-inherits(ObjectMirror, ValueMirror);
-
-
-ObjectMirror.prototype.className = function() {
- return %_ClassOf(this.value_);
-};
-
-
-ObjectMirror.prototype.constructorFunction = function() {
- return MakeMirror(%DebugGetProperty(this.value_, 'constructor'));
-};
-
-
-ObjectMirror.prototype.prototypeObject = function() {
- return MakeMirror(%DebugGetProperty(this.value_, 'prototype'));
-};
-
-
-ObjectMirror.prototype.protoObject = function() {
- return MakeMirror(%DebugGetPrototype(this.value_));
-};
-
-
-ObjectMirror.prototype.hasNamedInterceptor = function() {
- // Get information on interceptors for this object.
- var x = %GetInterceptorInfo(this.value_);
- return (x & 2) != 0;
-};
-
-
-ObjectMirror.prototype.hasIndexedInterceptor = function() {
- // Get information on interceptors for this object.
- var x = %GetInterceptorInfo(this.value_);
- return (x & 1) != 0;
-};
-
-
-/**
- * Return the property names for this object.
- * @param {number} kind Indicate whether named, indexed or both kinds of
- * properties are requested
- * @param {number} limit Limit the number of names returend to the specified
- value
- * @return {Array} Property names for this object
- */
-ObjectMirror.prototype.propertyNames = function(kind, limit) {
- // Find kind and limit and allocate array for the result
- kind = kind || PropertyKind.Named | PropertyKind.Indexed;
-
- var propertyNames;
- var elementNames;
- var total = 0;
-
- // Find all the named properties.
- if (kind & PropertyKind.Named) {
- // Get the local property names.
- propertyNames = %GetLocalPropertyNames(this.value_);
- total += propertyNames.length;
-
- // Get names for named interceptor properties if any.
- if (this.hasNamedInterceptor() && (kind & PropertyKind.Named)) {
- var namedInterceptorNames =
- %GetNamedInterceptorPropertyNames(this.value_);
- if (namedInterceptorNames) {
- propertyNames = propertyNames.concat(namedInterceptorNames);
- total += namedInterceptorNames.length;
- }
- }
- }
-
- // Find all the indexed properties.
- if (kind & PropertyKind.Indexed) {
- // Get the local element names.
- elementNames = %GetLocalElementNames(this.value_);
- total += elementNames.length;
-
- // Get names for indexed interceptor properties.
- if (this.hasIndexedInterceptor() && (kind & PropertyKind.Indexed)) {
- var indexedInterceptorNames =
- %GetIndexedInterceptorElementNames(this.value_);
- if (indexedInterceptorNames) {
- elementNames = elementNames.concat(indexedInterceptorNames);
- total += indexedInterceptorNames.length;
- }
- }
- }
- limit = Math.min(limit || total, total);
-
- var names = new Array(limit);
- var index = 0;
-
- // Copy names for named properties.
- if (kind & PropertyKind.Named) {
- for (var i = 0; index < limit && i < propertyNames.length; i++) {
- names[index++] = propertyNames[i];
- }
- }
-
- // Copy names for indexed properties.
- if (kind & PropertyKind.Indexed) {
- for (var i = 0; index < limit && i < elementNames.length; i++) {
- names[index++] = elementNames[i];
- }
- }
-
- return names;
-};
-
-
-/**
- * Return the properties for this object as an array of PropertyMirror objects.
- * @param {number} kind Indicate whether named, indexed or both kinds of
- * properties are requested
- * @param {number} limit Limit the number of properties returend to the
- specified value
- * @return {Array} Property mirrors for this object
- */
-ObjectMirror.prototype.properties = function(kind, limit) {
- var names = this.propertyNames(kind, limit);
- var properties = new Array(names.length);
- for (var i = 0; i < names.length; i++) {
- properties[i] = this.property(names[i]);
- }
-
- return properties;
-};
-
-
-ObjectMirror.prototype.property = function(name) {
- var details = %DebugGetPropertyDetails(this.value_, %ToString(name));
- if (details) {
- return new PropertyMirror(this, name, details);
- }
-
- // Nothing found.
- return GetUndefinedMirror();
-};
-
-
-
-/**
- * Try to find a property from its value.
- * @param {Mirror} value The property value to look for
- * @return {PropertyMirror} The property with the specified value. If no
- * property was found with the specified value UndefinedMirror is returned
- */
-ObjectMirror.prototype.lookupProperty = function(value) {
- var properties = this.properties();
-
- // Look for property value in properties.
- for (var i = 0; i < properties.length; i++) {
-
- // Skip properties which are defined through assessors.
- var property = properties[i];
- if (property.propertyType() != PropertyType.Callbacks) {
- if (%_ObjectEquals(property.value_, value.value_)) {
- return property;
- }
- }
- }
-
- // Nothing found.
- return GetUndefinedMirror();
-};
-
-
-/**
- * Returns objects which has direct references to this object
- * @param {number} opt_max_objects Optional parameter specifying the maximum
- * number of referencing objects to return.
- * @return {Array} The objects which has direct references to this object.
- */
-ObjectMirror.prototype.referencedBy = function(opt_max_objects) {
- // Find all objects with direct references to this object.
- var result = %DebugReferencedBy(this.value_,
- Mirror.prototype, opt_max_objects || 0);
-
- // Make mirrors for all the references found.
- for (var i = 0; i < result.length; i++) {
- result[i] = MakeMirror(result[i]);
- }
-
- return result;
-};
-
-
-ObjectMirror.prototype.toText = function() {
- var name;
- var ctor = this.constructorFunction();
- if (!ctor.isFunction()) {
- name = this.className();
- } else {
- name = ctor.name();
- if (!name) {
- name = this.className();
- }
- }
- return '#<' + builtins.GetInstanceName(name) + '>';
-};
-
-
-/**
- * Mirror object for functions.
- * @param {function} value The function object reflected by this mirror.
- * @constructor
- * @extends ObjectMirror
- */
-function FunctionMirror(value) {
- ObjectMirror.call(this, value, FUNCTION_TYPE);
- this.resolved_ = true;
-}
-inherits(FunctionMirror, ObjectMirror);
-
-
-/**
- * Returns whether the function is resolved.
- * @return {boolean} True if the function is resolved. Unresolved functions can
- * only originate as functions from stack frames
- */
-FunctionMirror.prototype.resolved = function() {
- return this.resolved_;
-};
-
-
-/**
- * Returns the name of the function.
- * @return {string} Name of the function
- */
-FunctionMirror.prototype.name = function() {
- return %FunctionGetName(this.value_);
-};
-
-
-/**
- * Returns the inferred name of the function.
- * @return {string} Name of the function
- */
-FunctionMirror.prototype.inferredName = function() {
- return %FunctionGetInferredName(this.value_);
-};
-
-
-/**
- * Returns the source code for the function.
- * @return {string or undefined} The source code for the function. If the
- * function is not resolved undefined will be returned.
- */
-FunctionMirror.prototype.source = function() {
- // Return source if function is resolved. Otherwise just fall through to
- // return undefined.
- if (this.resolved()) {
- return builtins.FunctionSourceString(this.value_);
- }
-};
-
-
-/**
- * Returns the script object for the function.
- * @return {ScriptMirror or undefined} Script object for the function or
- * undefined if the function has no script
- */
-FunctionMirror.prototype.script = function() {
- // Return script if function is resolved. Otherwise just fall through
- // to return undefined.
- if (this.resolved()) {
- var script = %FunctionGetScript(this.value_);
- if (script) {
- return MakeMirror(script);
- }
- }
-};
-
-
-/**
- * Returns the script source position for the function. Only makes sense
- * for functions which has a script defined.
- * @return {Number or undefined} in-script position for the function
- */
-FunctionMirror.prototype.sourcePosition_ = function() {
- // Return script if function is resolved. Otherwise just fall through
- // to return undefined.
- if (this.resolved()) {
- return %FunctionGetScriptSourcePosition(this.value_);
- }
-};
-
-
-/**
- * Returns the script source location object for the function. Only makes sense
- * for functions which has a script defined.
- * @return {Location or undefined} in-script location for the function begin
- */
-FunctionMirror.prototype.sourceLocation = function() {
- if (this.resolved() && this.script()) {
- return this.script().locationFromPosition(this.sourcePosition_(),
- true);
- }
-};
-
-
-/**
- * Returns objects constructed by this function.
- * @param {number} opt_max_instances Optional parameter specifying the maximum
- * number of instances to return.
- * @return {Array or undefined} The objects constructed by this function.
- */
-FunctionMirror.prototype.constructedBy = function(opt_max_instances) {
- if (this.resolved()) {
- // Find all objects constructed from this function.
- var result = %DebugConstructedBy(this.value_, opt_max_instances || 0);
-
- // Make mirrors for all the instances found.
- for (var i = 0; i < result.length; i++) {
- result[i] = MakeMirror(result[i]);
- }
-
- return result;
- } else {
- return [];
- }
-};
-
-
-FunctionMirror.prototype.toText = function() {
- return this.source();
-}
-
-
-/**
- * Mirror object for unresolved functions.
- * @param {string} value The name for the unresolved function reflected by this
- * mirror.
- * @constructor
- * @extends ObjectMirror
- */
-function UnresolvedFunctionMirror(value) {
- // Construct this using the ValueMirror as an unresolved function is not a
- // real object but just a string.
- ValueMirror.call(this, FUNCTION_TYPE, value);
- this.propertyCount_ = 0;
- this.elementCount_ = 0;
- this.resolved_ = false;
-}
-inherits(UnresolvedFunctionMirror, FunctionMirror);
-
-
-UnresolvedFunctionMirror.prototype.className = function() {
- return 'Function';
-};
-
-
-UnresolvedFunctionMirror.prototype.constructorFunction = function() {
- return GetUndefinedMirror();
-};
-
-
-UnresolvedFunctionMirror.prototype.prototypeObject = function() {
- return GetUndefinedMirror();
-};
-
-
-UnresolvedFunctionMirror.prototype.protoObject = function() {
- return GetUndefinedMirror();
-};
-
-
-UnresolvedFunctionMirror.prototype.name = function() {
- return this.value_;
-};
-
-
-UnresolvedFunctionMirror.prototype.inferredName = function() {
- return undefined;
-};
-
-
-UnresolvedFunctionMirror.prototype.propertyNames = function(kind, limit) {
- return [];
-}
-
-
-/**
- * Mirror object for arrays.
- * @param {Array} value The Array object reflected by this mirror
- * @constructor
- * @extends ObjectMirror
- */
-function ArrayMirror(value) {
- ObjectMirror.call(this, value);
-}
-inherits(ArrayMirror, ObjectMirror);
-
-
-ArrayMirror.prototype.length = function() {
- return this.value_.length;
-};
-
-
-ArrayMirror.prototype.indexedPropertiesFromRange = function(opt_from_index, opt_to_index) {
- var from_index = opt_from_index || 0;
- var to_index = opt_to_index || this.length() - 1;
- if (from_index > to_index) return new Array();
- var values = new Array(to_index - from_index + 1);
- for (var i = from_index; i <= to_index; i++) {
- var details = %DebugGetPropertyDetails(this.value_, %ToString(i));
- var value;
- if (details) {
- value = new PropertyMirror(this, i, details);
- } else {
- value = GetUndefinedMirror();
- }
- values[i - from_index] = value;
- }
- return values;
-}
-
-
-/**
- * Mirror object for dates.
- * @param {Date} value The Date object reflected by this mirror
- * @constructor
- * @extends ObjectMirror
- */
-function DateMirror(value) {
- ObjectMirror.call(this, value);
-}
-inherits(DateMirror, ObjectMirror);
-
-
-DateMirror.prototype.toText = function() {
- var s = JSON.stringify(this.value_);
- return s.substring(1, s.length - 1); // cut quotes
-}
-
-
-/**
- * Mirror object for regular expressions.
- * @param {RegExp} value The RegExp object reflected by this mirror
- * @constructor
- * @extends ObjectMirror
- */
-function RegExpMirror(value) {
- ObjectMirror.call(this, value, REGEXP_TYPE);
-}
-inherits(RegExpMirror, ObjectMirror);
-
-
-/**
- * Returns the source to the regular expression.
- * @return {string or undefined} The source to the regular expression
- */
-RegExpMirror.prototype.source = function() {
- return this.value_.source;
-};
-
-
-/**
- * Returns whether this regular expression has the global (g) flag set.
- * @return {boolean} Value of the global flag
- */
-RegExpMirror.prototype.global = function() {
- return this.value_.global;
-};
-
-
-/**
- * Returns whether this regular expression has the ignore case (i) flag set.
- * @return {boolean} Value of the ignore case flag
- */
-RegExpMirror.prototype.ignoreCase = function() {
- return this.value_.ignoreCase;
-};
-
-
-/**
- * Returns whether this regular expression has the multiline (m) flag set.
- * @return {boolean} Value of the multiline flag
- */
-RegExpMirror.prototype.multiline = function() {
- return this.value_.multiline;
-};
-
-
-RegExpMirror.prototype.toText = function() {
- // Simpel to text which is used when on specialization in subclass.
- return "/" + this.source() + "/";
-}
-
-
-/**
- * Mirror object for error objects.
- * @param {Error} value The error object reflected by this mirror
- * @constructor
- * @extends ObjectMirror
- */
-function ErrorMirror(value) {
- ObjectMirror.call(this, value, ERROR_TYPE);
-}
-inherits(ErrorMirror, ObjectMirror);
-
-
-/**
- * Returns the message for this eror object.
- * @return {string or undefined} The message for this eror object
- */
-ErrorMirror.prototype.message = function() {
- return this.value_.message;
-};
-
-
-ErrorMirror.prototype.toText = function() {
- // Use the same text representation as in messages.js.
- var text;
- try {
- str = builtins.ToDetailString(this.value_);
- } catch (e) {
- str = '#<an Error>';
- }
- return str;
-}
-
-
-/**
- * Base mirror object for properties.
- * @param {ObjectMirror} mirror The mirror object having this property
- * @param {string} name The name of the property
- * @param {Array} details Details about the property
- * @constructor
- * @extends Mirror
- */
-function PropertyMirror(mirror, name, details) {
- Mirror.call(this, PROPERTY_TYPE);
- this.mirror_ = mirror;
- this.name_ = name;
- this.value_ = details[0];
- this.details_ = details[1];
- if (details.length > 2) {
- this.exception_ = details[2]
- this.getter_ = details[3];
- this.setter_ = details[4];
- }
-}
-inherits(PropertyMirror, Mirror);
-
-
-PropertyMirror.prototype.isReadOnly = function() {
- return (this.attributes() & PropertyAttribute.ReadOnly) != 0;
-}
-
-
-PropertyMirror.prototype.isEnum = function() {
- return (this.attributes() & PropertyAttribute.DontEnum) == 0;
-}
-
-
-PropertyMirror.prototype.canDelete = function() {
- return (this.attributes() & PropertyAttribute.DontDelete) == 0;
-}
-
-
-PropertyMirror.prototype.name = function() {
- return this.name_;
-}
-
-
-PropertyMirror.prototype.isIndexed = function() {
- for (var i = 0; i < this.name_.length; i++) {
- if (this.name_[i] < '0' || '9' < this.name_[i]) {
- return false;
- }
- }
- return true;
-}
-
-
-PropertyMirror.prototype.value = function() {
- return MakeMirror(this.value_, false);
-}
-
-
-/**
- * Returns whether this property value is an exception.
- * @return {booolean} True if this property value is an exception
- */
-PropertyMirror.prototype.isException = function() {
- return this.exception_ ? true : false;
-}
-
-
-PropertyMirror.prototype.attributes = function() {
- return %DebugPropertyAttributesFromDetails(this.details_);
-}
-
-
-PropertyMirror.prototype.propertyType = function() {
- return %DebugPropertyTypeFromDetails(this.details_);
-}
-
-
-PropertyMirror.prototype.insertionIndex = function() {
- return %DebugPropertyIndexFromDetails(this.details_);
-}
-
-
-/**
- * Returns whether this property has a getter defined through __defineGetter__.
- * @return {booolean} True if this property has a getter
- */
-PropertyMirror.prototype.hasGetter = function() {
- return this.getter_ ? true : false;
-}
-
-
-/**
- * Returns whether this property has a setter defined through __defineSetter__.
- * @return {booolean} True if this property has a setter
- */
-PropertyMirror.prototype.hasSetter = function() {
- return this.setter_ ? true : false;
-}
-
-
-/**
- * Returns the getter for this property defined through __defineGetter__.
- * @return {Mirror} FunctionMirror reflecting the getter function or
- * UndefinedMirror if there is no getter for this property
- */
-PropertyMirror.prototype.getter = function() {
- if (this.hasGetter()) {
- return MakeMirror(this.getter_);
- } else {
- return GetUndefinedMirror();
- }
-}
-
-
-/**
- * Returns the setter for this property defined through __defineSetter__.
- * @return {Mirror} FunctionMirror reflecting the setter function or
- * UndefinedMirror if there is no setter for this property
- */
-PropertyMirror.prototype.setter = function() {
- if (this.hasSetter()) {
- return MakeMirror(this.setter_);
- } else {
- return GetUndefinedMirror();
- }
-}
-
-
-/**
- * Returns whether this property is natively implemented by the host or a set
- * through JavaScript code.
- * @return {boolean} True if the property is
- * UndefinedMirror if there is no setter for this property
- */
-PropertyMirror.prototype.isNative = function() {
- return (this.propertyType() == PropertyType.Interceptor) ||
- ((this.propertyType() == PropertyType.Callbacks) &&
- !this.hasGetter() && !this.hasSetter());
-}
-
-
-const kFrameDetailsFrameIdIndex = 0;
-const kFrameDetailsReceiverIndex = 1;
-const kFrameDetailsFunctionIndex = 2;
-const kFrameDetailsArgumentCountIndex = 3;
-const kFrameDetailsLocalCountIndex = 4;
-const kFrameDetailsSourcePositionIndex = 5;
-const kFrameDetailsConstructCallIndex = 6;
-const kFrameDetailsDebuggerFrameIndex = 7;
-const kFrameDetailsFirstDynamicIndex = 8;
-
-const kFrameDetailsNameIndex = 0;
-const kFrameDetailsValueIndex = 1;
-const kFrameDetailsNameValueSize = 2;
-
-/**
- * Wrapper for the frame details information retreived from the VM. The frame
- * details from the VM is an array with the following content. See runtime.cc
- * Runtime_GetFrameDetails.
- * 0: Id
- * 1: Receiver
- * 2: Function
- * 3: Argument count
- * 4: Local count
- * 5: Source position
- * 6: Construct call
- * Arguments name, value
- * Locals name, value
- * @param {number} break_id Current break id
- * @param {number} index Frame number
- * @constructor
- */
-function FrameDetails(break_id, index) {
- this.break_id_ = break_id;
- this.details_ = %GetFrameDetails(break_id, index);
-}
-
-
-FrameDetails.prototype.frameId = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kFrameDetailsFrameIdIndex];
-}
-
-
-FrameDetails.prototype.receiver = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kFrameDetailsReceiverIndex];
-}
-
-
-FrameDetails.prototype.func = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kFrameDetailsFunctionIndex];
-}
-
-
-FrameDetails.prototype.isConstructCall = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kFrameDetailsConstructCallIndex];
-}
-
-
-FrameDetails.prototype.isDebuggerFrame = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kFrameDetailsDebuggerFrameIndex];
-}
-
-
-FrameDetails.prototype.argumentCount = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kFrameDetailsArgumentCountIndex];
-}
-
-
-FrameDetails.prototype.argumentName = function(index) {
- %CheckExecutionState(this.break_id_);
- if (index >= 0 && index < this.argumentCount()) {
- return this.details_[kFrameDetailsFirstDynamicIndex +
- index * kFrameDetailsNameValueSize +
- kFrameDetailsNameIndex]
- }
-}
-
-
-FrameDetails.prototype.argumentValue = function(index) {
- %CheckExecutionState(this.break_id_);
- if (index >= 0 && index < this.argumentCount()) {
- return this.details_[kFrameDetailsFirstDynamicIndex +
- index * kFrameDetailsNameValueSize +
- kFrameDetailsValueIndex]
- }
-}
-
-
-FrameDetails.prototype.localCount = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kFrameDetailsLocalCountIndex];
-}
-
-
-FrameDetails.prototype.sourcePosition = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kFrameDetailsSourcePositionIndex];
-}
-
-
-FrameDetails.prototype.localName = function(index) {
- %CheckExecutionState(this.break_id_);
- if (index >= 0 && index < this.localCount()) {
- var locals_offset = kFrameDetailsFirstDynamicIndex + this.argumentCount() * kFrameDetailsNameValueSize
- return this.details_[locals_offset +
- index * kFrameDetailsNameValueSize +
- kFrameDetailsNameIndex]
- }
-}
-
-
-FrameDetails.prototype.localValue = function(index) {
- %CheckExecutionState(this.break_id_);
- if (index >= 0 && index < this.localCount()) {
- var locals_offset = kFrameDetailsFirstDynamicIndex + this.argumentCount() * kFrameDetailsNameValueSize
- return this.details_[locals_offset +
- index * kFrameDetailsNameValueSize +
- kFrameDetailsValueIndex]
- }
-}
-
-
-FrameDetails.prototype.scopeCount = function() {
- return %GetScopeCount(this.break_id_, this.frameId());
-}
-
-
-/**
- * Mirror object for stack frames.
- * @param {number} break_id The break id in the VM for which this frame is
- valid
- * @param {number} index The frame index (top frame is index 0)
- * @constructor
- * @extends Mirror
- */
-function FrameMirror(break_id, index) {
- Mirror.call(this, FRAME_TYPE);
- this.break_id_ = break_id;
- this.index_ = index;
- this.details_ = new FrameDetails(break_id, index);
-}
-inherits(FrameMirror, Mirror);
-
-
-FrameMirror.prototype.index = function() {
- return this.index_;
-};
-
-
-FrameMirror.prototype.func = function() {
- // Get the function for this frame from the VM.
- var f = this.details_.func();
-
- // Create a function mirror. NOTE: MakeMirror cannot be used here as the
- // value returned from the VM might be a string if the function for the
- // frame is unresolved.
- if (IS_FUNCTION(f)) {
- return MakeMirror(f);
- } else {
- return new UnresolvedFunctionMirror(f);
- }
-};
-
-
-FrameMirror.prototype.receiver = function() {
- return MakeMirror(this.details_.receiver());
-};
-
-
-FrameMirror.prototype.isConstructCall = function() {
- return this.details_.isConstructCall();
-};
-
-
-FrameMirror.prototype.isDebuggerFrame = function() {
- return this.details_.isDebuggerFrame();
-};
-
-
-FrameMirror.prototype.argumentCount = function() {
- return this.details_.argumentCount();
-};
-
-
-FrameMirror.prototype.argumentName = function(index) {
- return this.details_.argumentName(index);
-};
-
-
-FrameMirror.prototype.argumentValue = function(index) {
- return MakeMirror(this.details_.argumentValue(index));
-};
-
-
-FrameMirror.prototype.localCount = function() {
- return this.details_.localCount();
-};
-
-
-FrameMirror.prototype.localName = function(index) {
- return this.details_.localName(index);
-};
-
-
-FrameMirror.prototype.localValue = function(index) {
- return MakeMirror(this.details_.localValue(index));
-};
-
-
-FrameMirror.prototype.sourcePosition = function() {
- return this.details_.sourcePosition();
-};
-
-
-FrameMirror.prototype.sourceLocation = function() {
- if (this.func().resolved() && this.func().script()) {
- return this.func().script().locationFromPosition(this.sourcePosition(),
- true);
- }
-};
-
-
-FrameMirror.prototype.sourceLine = function() {
- if (this.func().resolved()) {
- var location = this.sourceLocation();
- if (location) {
- return location.line;
- }
- }
-};
-
-
-FrameMirror.prototype.sourceColumn = function() {
- if (this.func().resolved()) {
- var location = this.sourceLocation();
- if (location) {
- return location.column;
- }
- }
-};
-
-
-FrameMirror.prototype.sourceLineText = function() {
- if (this.func().resolved()) {
- var location = this.sourceLocation();
- if (location) {
- return location.sourceText();
- }
- }
-};
-
-
-FrameMirror.prototype.scopeCount = function() {
- return this.details_.scopeCount();
-};
-
-
-FrameMirror.prototype.scope = function(index) {
- return new ScopeMirror(this, index);
-};
-
-
-FrameMirror.prototype.evaluate = function(source, disable_break) {
- var result = %DebugEvaluate(this.break_id_, this.details_.frameId(),
- source, Boolean(disable_break));
- return MakeMirror(result);
-};
-
-
-FrameMirror.prototype.invocationText = function() {
- // Format frame invoaction (receiver, function and arguments).
- var result = '';
- var func = this.func();
- var receiver = this.receiver();
- if (this.isConstructCall()) {
- // For constructor frames display new followed by the function name.
- result += 'new ';
- result += func.name() ? func.name() : '[anonymous]';
- } else if (this.isDebuggerFrame()) {
- result += '[debugger]';
- } else {
- // If the receiver has a className which is 'global' don't display it.
- var display_receiver = !receiver.className || receiver.className() != 'global';
- if (display_receiver) {
- result += receiver.toText();
- }
- // Try to find the function as a property in the receiver. Include the
- // prototype chain in the lookup.
- var property = GetUndefinedMirror();
- if (!receiver.isUndefined()) {
- for (var r = receiver; !r.isNull() && property.isUndefined(); r = r.protoObject()) {
- property = r.lookupProperty(func);
- }
- }
- if (!property.isUndefined()) {
- // The function invoked was found on the receiver. Use the property name
- // for the backtrace.
- if (!property.isIndexed()) {
- if (display_receiver) {
- result += '.';
- }
- result += property.name();
- } else {
- result += '[';
- result += property.name();
- result += ']';
- }
- // Also known as - if the name in the function doesn't match the name
- // under which it was looked up.
- if (func.name() && func.name() != property.name()) {
- result += '(aka ' + func.name() + ')';
- }
- } else {
- // The function invoked was not found on the receiver. Use the function
- // name if available for the backtrace.
- if (display_receiver) {
- result += '.';
- }
- result += func.name() ? func.name() : '[anonymous]';
- }
- }
-
- // Render arguments for normal frames.
- if (!this.isDebuggerFrame()) {
- result += '(';
- for (var i = 0; i < this.argumentCount(); i++) {
- if (i != 0) result += ', ';
- if (this.argumentName(i)) {
- result += this.argumentName(i);
- result += '=';
- }
- result += this.argumentValue(i).toText();
- }
- result += ')';
- }
-
- return result;
-}
-
-
-FrameMirror.prototype.sourceAndPositionText = function() {
- // Format source and position.
- var result = '';
- var func = this.func();
- if (func.resolved()) {
- if (func.script()) {
- if (func.script().name()) {
- result += func.script().name();
- } else {
- result += '[unnamed]';
- }
- if (!this.isDebuggerFrame()) {
- var location = this.sourceLocation();
- result += ' line ';
- result += !IS_UNDEFINED(location) ? (location.line + 1) : '?';
- result += ' column ';
- result += !IS_UNDEFINED(location) ? (location.column + 1) : '?';
- if (!IS_UNDEFINED(this.sourcePosition())) {
- result += ' (position ' + (this.sourcePosition() + 1) + ')';
- }
- }
- } else {
- result += '[no source]';
- }
- } else {
- result += '[unresolved]';
- }
-
- return result;
-}
-
-
-FrameMirror.prototype.localsText = function() {
- // Format local variables.
- var result = '';
- var locals_count = this.localCount()
- if (locals_count > 0) {
- for (var i = 0; i < locals_count; ++i) {
- result += ' var ';
- result += this.localName(i);
- result += ' = ';
- result += this.localValue(i).toText();
- if (i < locals_count - 1) result += '\n';
- }
- }
-
- return result;
-}
-
-
-FrameMirror.prototype.toText = function(opt_locals) {
- var result = '';
- result += '#' + (this.index() <= 9 ? '0' : '') + this.index();
- result += ' ';
- result += this.invocationText();
- result += ' ';
- result += this.sourceAndPositionText();
- if (opt_locals) {
- result += '\n';
- result += this.localsText();
- }
- return result;
-}
-
-
-const kScopeDetailsTypeIndex = 0;
-const kScopeDetailsObjectIndex = 1;
-
-function ScopeDetails(frame, index) {
- this.break_id_ = frame.break_id_;
- this.details_ = %GetScopeDetails(frame.break_id_,
- frame.details_.frameId(),
- index);
-}
-
-
-ScopeDetails.prototype.type = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kScopeDetailsTypeIndex];
-}
-
-
-ScopeDetails.prototype.object = function() {
- %CheckExecutionState(this.break_id_);
- return this.details_[kScopeDetailsObjectIndex];
-}
-
-
-/**
- * Mirror object for scope.
- * @param {FrameMirror} frame The frame this scope is a part of
- * @param {number} index The scope index in the frame
- * @constructor
- * @extends Mirror
- */
-function ScopeMirror(frame, index) {
- Mirror.call(this, SCOPE_TYPE);
- this.frame_index_ = frame.index_;
- this.scope_index_ = index;
- this.details_ = new ScopeDetails(frame, index);
-}
-inherits(ScopeMirror, Mirror);
-
-
-ScopeMirror.prototype.frameIndex = function() {
- return this.frame_index_;
-};
-
-
-ScopeMirror.prototype.scopeIndex = function() {
- return this.scope_index_;
-};
-
-
-ScopeMirror.prototype.scopeType = function() {
- return this.details_.type();
-};
-
-
-ScopeMirror.prototype.scopeObject = function() {
- // For local and closure scopes create a transient mirror as these objects are
- // created on the fly materializing the local or closure scopes and
- // therefore will not preserve identity.
- var transient = this.scopeType() == ScopeType.Local ||
- this.scopeType() == ScopeType.Closure;
- return MakeMirror(this.details_.object(), transient);
-};
-
-
-/**
- * Mirror object for script source.
- * @param {Script} script The script object
- * @constructor
- * @extends Mirror
- */
-function ScriptMirror(script) {
- Mirror.call(this, SCRIPT_TYPE);
- this.script_ = script;
- this.context_ = new ContextMirror(script.context_data);
- this.allocateHandle_();
-}
-inherits(ScriptMirror, Mirror);
-
-
-ScriptMirror.prototype.value = function() {
- return this.script_;
-};
-
-
-ScriptMirror.prototype.name = function() {
- // If we have name, we trust it more than sourceURL from comments
- return this.script_.name || this.sourceUrlFromComment_();
-};
-
-
-ScriptMirror.prototype.id = function() {
- return this.script_.id;
-};
-
-
-ScriptMirror.prototype.source = function() {
- return this.script_.source;
-};
-
-
-ScriptMirror.prototype.lineOffset = function() {
- return this.script_.line_offset;
-};
-
-
-ScriptMirror.prototype.columnOffset = function() {
- return this.script_.column_offset;
-};
-
-
-ScriptMirror.prototype.data = function() {
- return this.script_.data;
-};
-
-
-ScriptMirror.prototype.scriptType = function() {
- return this.script_.type;
-};
-
-
-ScriptMirror.prototype.compilationType = function() {
- return this.script_.compilation_type;
-};
-
-
-ScriptMirror.prototype.lineCount = function() {
- return this.script_.lineCount();
-};
-
-
-ScriptMirror.prototype.locationFromPosition = function(
- position, include_resource_offset) {
- return this.script_.locationFromPosition(position, include_resource_offset);
-}
-
-
-ScriptMirror.prototype.sourceSlice = function (opt_from_line, opt_to_line) {
- return this.script_.sourceSlice(opt_from_line, opt_to_line);
-}
-
-
-ScriptMirror.prototype.context = function() {
- return this.context_;
-};
-
-
-ScriptMirror.prototype.evalFromScript = function() {
- return MakeMirror(this.script_.eval_from_script);
-};
-
-
-ScriptMirror.prototype.evalFromFunctionName = function() {
- return MakeMirror(this.script_.eval_from_function_name);
-};
-
-
-ScriptMirror.prototype.evalFromLocation = function() {
- var eval_from_script = this.evalFromScript();
- if (!eval_from_script.isUndefined()) {
- var position = this.script_.eval_from_script_position;
- return eval_from_script.locationFromPosition(position, true);
- }
-};
-
-
-ScriptMirror.prototype.toText = function() {
- var result = '';
- result += this.name();
- result += ' (lines: ';
- if (this.lineOffset() > 0) {
- result += this.lineOffset();
- result += '-';
- result += this.lineOffset() + this.lineCount() - 1;
- } else {
- result += this.lineCount();
- }
- result += ')';
- return result;
-}
-
-
-/**
- * Returns a suggested script URL from comments in script code (if found),
- * undefined otherwise. Used primarily by debuggers for identifying eval()'ed
- * scripts. See
- * http://fbug.googlecode.com/svn/branches/firebug1.1/docs/ReleaseNotes_1.1.txt
- * for details.
- *
- * @return {?string} value for //@ sourceURL comment
- */
-ScriptMirror.prototype.sourceUrlFromComment_ = function() {
- if (!('sourceUrl_' in this) && this.source()) {
- // TODO(608): the spaces in a regexp below had to be escaped as \040
- // because this file is being processed by js2c whose handling of spaces
- // in regexps is broken.
- // We're not using \s here to prevent \n from matching.
- var sourceUrlPattern = /\/\/@[\040\t]sourceURL=[\040\t]*(\S+)[\040\t]*$/m;
- var match = sourceUrlPattern.exec(this.source());
- this.sourceUrl_ = match ? match[1] : undefined;
- }
- return this.sourceUrl_;
-};
-
-
-/**
- * Mirror object for context.
- * @param {Object} data The context data
- * @constructor
- * @extends Mirror
- */
-function ContextMirror(data) {
- Mirror.call(this, CONTEXT_TYPE);
- this.data_ = data;
- this.allocateHandle_();
-}
-inherits(ContextMirror, Mirror);
-
-
-ContextMirror.prototype.data = function() {
- return this.data_;
-};
-
-
-/**
- * Returns a mirror serializer
- *
- * @param {boolean} details Set to true to include details
- * @param {Object} options Options comtrolling the serialization
- * The following options can be set:
- * includeSource: include ths full source of scripts
- * @returns {MirrorSerializer} mirror serializer
- */
-function MakeMirrorSerializer(details, options) {
- return new JSONProtocolSerializer(details, options);
-}
-
-
-/**
- * Object for serializing a mirror objects and its direct references.
- * @param {boolean} details Indicates whether to include details for the mirror
- * serialized
- * @constructor
- */
-function JSONProtocolSerializer(details, options) {
- this.details_ = details;
- this.options_ = options;
- this.mirrors_ = [ ];
-}
-
-
-/**
- * Returns a serialization of an object reference. The referenced object are
- * added to the serialization state.
- *
- * @param {Mirror} mirror The mirror to serialize
- * @returns {String} JSON serialization
- */
-JSONProtocolSerializer.prototype.serializeReference = function(mirror) {
- return this.serialize_(mirror, true, true);
-}
-
-
-/**
- * Returns a serialization of an object value. The referenced objects are
- * added to the serialization state.
- *
- * @param {Mirror} mirror The mirror to serialize
- * @returns {String} JSON serialization
- */
-JSONProtocolSerializer.prototype.serializeValue = function(mirror) {
- var json = this.serialize_(mirror, false, true);
- return json;
-}
-
-
-/**
- * Returns a serialization of all the objects referenced.
- *
- * @param {Mirror} mirror The mirror to serialize.
- * @returns {Array.<Object>} Array of the referenced objects converted to
- * protcol objects.
- */
-JSONProtocolSerializer.prototype.serializeReferencedObjects = function() {
- // Collect the protocol representation of the referenced objects in an array.
- var content = [];
-
- // Get the number of referenced objects.
- var count = this.mirrors_.length;
-
- for (var i = 0; i < count; i++) {
- content.push(this.serialize_(this.mirrors_[i], false, false));
- }
-
- return content;
-}
-
-
-JSONProtocolSerializer.prototype.includeSource_ = function() {
- return this.options_ && this.options_.includeSource;
-}
-
-
-JSONProtocolSerializer.prototype.inlineRefs_ = function() {
- return this.options_ && this.options_.inlineRefs;
-}
-
-
-JSONProtocolSerializer.prototype.maxStringLength_ = function() {
- if (IS_UNDEFINED(this.options_) ||
- IS_UNDEFINED(this.options_.maxStringLength)) {
- return kMaxProtocolStringLength;
- }
- return this.options_.maxStringLength;
-}
-
-
-JSONProtocolSerializer.prototype.add_ = function(mirror) {
- // If this mirror is already in the list just return.
- for (var i = 0; i < this.mirrors_.length; i++) {
- if (this.mirrors_[i] === mirror) {
- return;
- }
- }
-
- // Add the mirror to the list of mirrors to be serialized.
- this.mirrors_.push(mirror);
-}
-
-
-/**
- * Formats mirror object to protocol reference object with some data that can
- * be used to display the value in debugger.
- * @param {Mirror} mirror Mirror to serialize.
- * @return {Object} Protocol reference object.
- */
-JSONProtocolSerializer.prototype.serializeReferenceWithDisplayData_ =
- function(mirror) {
- var o = {};
- o.ref = mirror.handle();
- o.type = mirror.type();
- switch (mirror.type()) {
- case UNDEFINED_TYPE:
- case NULL_TYPE:
- case BOOLEAN_TYPE:
- case NUMBER_TYPE:
- o.value = mirror.value();
- break;
- case STRING_TYPE:
- o.value = mirror.getTruncatedValue(this.maxStringLength_());
- break;
- case FUNCTION_TYPE:
- o.name = mirror.name();
- o.inferredName = mirror.inferredName();
- if (mirror.script()) {
- o.scriptId = mirror.script().id();
- }
- break;
- case ERROR_TYPE:
- case REGEXP_TYPE:
- o.value = mirror.toText();
- break;
- case OBJECT_TYPE:
- o.className = mirror.className();
- break;
- }
- return o;
-};
-
-
-JSONProtocolSerializer.prototype.serialize_ = function(mirror, reference,
- details) {
- // If serializing a reference to a mirror just return the reference and add
- // the mirror to the referenced mirrors.
- if (reference &&
- (mirror.isValue() || mirror.isScript() || mirror.isContext())) {
- if (this.inlineRefs_() && mirror.isValue()) {
- return this.serializeReferenceWithDisplayData_(mirror);
- } else {
- this.add_(mirror);
- return {'ref' : mirror.handle()};
- }
- }
-
- // Collect the JSON property/value pairs.
- var content = {};
-
- // Add the mirror handle.
- if (mirror.isValue() || mirror.isScript() || mirror.isContext()) {
- content.handle = mirror.handle();
- }
-
- // Always add the type.
- content.type = mirror.type();
-
- switch (mirror.type()) {
- case UNDEFINED_TYPE:
- case NULL_TYPE:
- // Undefined and null are represented just by their type.
- break;
-
- case BOOLEAN_TYPE:
- // Boolean values are simply represented by their value.
- content.value = mirror.value();
- break;
-
- case NUMBER_TYPE:
- // Number values are simply represented by their value.
- content.value = NumberToJSON_(mirror.value());
- break;
-
- case STRING_TYPE:
- // String values might have their value cropped to keep down size.
- if (this.maxStringLength_() != -1 &&
- mirror.length() > this.maxStringLength_()) {
- var str = mirror.getTruncatedValue(this.maxStringLength_());
- content.value = str;
- content.fromIndex = 0;
- content.toIndex = this.maxStringLength_();
- } else {
- content.value = mirror.value();
- }
- content.length = mirror.length();
- break;
-
- case OBJECT_TYPE:
- case FUNCTION_TYPE:
- case ERROR_TYPE:
- case REGEXP_TYPE:
- // Add object representation.
- this.serializeObject_(mirror, content, details);
- break;
-
- case PROPERTY_TYPE:
- throw new Error('PropertyMirror cannot be serialized independeltly')
- break;
-
- case FRAME_TYPE:
- // Add object representation.
- this.serializeFrame_(mirror, content);
- break;
-
- case SCOPE_TYPE:
- // Add object representation.
- this.serializeScope_(mirror, content);
- break;
-
- case SCRIPT_TYPE:
- // Script is represented by id, name and source attributes.
- if (mirror.name()) {
- content.name = mirror.name();
- }
- content.id = mirror.id();
- content.lineOffset = mirror.lineOffset();
- content.columnOffset = mirror.columnOffset();
- content.lineCount = mirror.lineCount();
- if (mirror.data()) {
- content.data = mirror.data();
- }
- if (this.includeSource_()) {
- content.source = mirror.source();
- } else {
- var sourceStart = mirror.source().substring(0, 80);
- content.sourceStart = sourceStart;
- }
- content.sourceLength = mirror.source().length;
- content.scriptType = mirror.scriptType();
- content.compilationType = mirror.compilationType();
- // For compilation type eval emit information on the script from which
- // eval was called if a script is present.
- if (mirror.compilationType() == 1 &&
- mirror.evalFromScript()) {
- content.evalFromScript =
- this.serializeReference(mirror.evalFromScript());
- var evalFromLocation = mirror.evalFromLocation()
- if (evalFromLocation) {
- content.evalFromLocation = { line: evalFromLocation.line,
- column: evalFromLocation.column };
- }
- if (mirror.evalFromFunctionName()) {
- content.evalFromFunctionName = mirror.evalFromFunctionName();
- }
- }
- if (mirror.context()) {
- content.context = this.serializeReference(mirror.context());
- }
- break;
-
- case CONTEXT_TYPE:
- content.data = mirror.data();
- break;
- }
-
- // Always add the text representation.
- content.text = mirror.toText();
-
- // Create and return the JSON string.
- return content;
-}
-
-
-/**
- * Serialize object information to the following JSON format.
- *
- * {"className":"<class name>",
- * "constructorFunction":{"ref":<number>},
- * "protoObject":{"ref":<number>},
- * "prototypeObject":{"ref":<number>},
- * "namedInterceptor":<boolean>,
- * "indexedInterceptor":<boolean>,
- * "properties":[<properties>]}
- */
-JSONProtocolSerializer.prototype.serializeObject_ = function(mirror, content,
- details) {
- // Add general object properties.
- content.className = mirror.className();
- content.constructorFunction =
- this.serializeReference(mirror.constructorFunction());
- content.protoObject = this.serializeReference(mirror.protoObject());
- content.prototypeObject = this.serializeReference(mirror.prototypeObject());
-
- // Add flags to indicate whether there are interceptors.
- if (mirror.hasNamedInterceptor()) {
- content.namedInterceptor = true;
- }
- if (mirror.hasIndexedInterceptor()) {
- content.indexedInterceptor = true;
- }
-
- // Add function specific properties.
- if (mirror.isFunction()) {
- // Add function specific properties.
- content.name = mirror.name();
- if (!IS_UNDEFINED(mirror.inferredName())) {
- content.inferredName = mirror.inferredName();
- }
- content.resolved = mirror.resolved();
- if (mirror.resolved()) {
- content.source = mirror.source();
- }
- if (mirror.script()) {
- content.script = this.serializeReference(mirror.script());
- content.scriptId = mirror.script().id();
-
- serializeLocationFields(mirror.sourceLocation(), content);
- }
- }
-
- // Add date specific properties.
- if (mirror.isDate()) {
- // Add date specific properties.
- content.value = mirror.value();
- }
-
- // Add actual properties - named properties followed by indexed properties.
- var propertyNames = mirror.propertyNames(PropertyKind.Named);
- var propertyIndexes = mirror.propertyNames(PropertyKind.Indexed);
- var p = new Array(propertyNames.length + propertyIndexes.length);
- for (var i = 0; i < propertyNames.length; i++) {
- var propertyMirror = mirror.property(propertyNames[i]);
- p[i] = this.serializeProperty_(propertyMirror);
- if (details) {
- this.add_(propertyMirror.value());
- }
- }
- for (var i = 0; i < propertyIndexes.length; i++) {
- var propertyMirror = mirror.property(propertyIndexes[i]);
- p[propertyNames.length + i] = this.serializeProperty_(propertyMirror);
- if (details) {
- this.add_(propertyMirror.value());
- }
- }
- content.properties = p;
-}
-
-
-/**
- * Serialize location information to the following JSON format:
- *
- * "position":"<position>",
- * "line":"<line>",
- * "column":"<column>",
- *
- * @param {SourceLocation} location The location to serialize, may be undefined.
- */
-function serializeLocationFields (location, content) {
- if (!location) {
- return;
- }
- content.position = location.position;
- var line = location.line;
- if (!IS_UNDEFINED(line)) {
- content.line = line;
- }
- var column = location.column;
- if (!IS_UNDEFINED(column)) {
- content.column = column;
- }
-}
-
-
-/**
- * Serialize property information to the following JSON format for building the
- * array of properties.
- *
- * {"name":"<property name>",
- * "attributes":<number>,
- * "propertyType":<number>,
- * "ref":<number>}
- *
- * If the attribute for the property is PropertyAttribute.None it is not added.
- * If the propertyType for the property is PropertyType.Normal it is not added.
- * Here are a couple of examples.
- *
- * {"name":"hello","ref":1}
- * {"name":"length","attributes":7,"propertyType":3,"ref":2}
- *
- * @param {PropertyMirror} propertyMirror The property to serialize.
- * @returns {Object} Protocol object representing the property.
- */
-JSONProtocolSerializer.prototype.serializeProperty_ = function(propertyMirror) {
- var result = {};
-
- result.name = propertyMirror.name();
- var propertyValue = propertyMirror.value();
- if (this.inlineRefs_() && propertyValue.isValue()) {
- result.value = this.serializeReferenceWithDisplayData_(propertyValue);
- } else {
- if (propertyMirror.attributes() != PropertyAttribute.None) {
- result.attributes = propertyMirror.attributes();
- }
- if (propertyMirror.propertyType() != PropertyType.Normal) {
- result.propertyType = propertyMirror.propertyType();
- }
- result.ref = propertyValue.handle();
- }
- return result;
-}
-
-
-JSONProtocolSerializer.prototype.serializeFrame_ = function(mirror, content) {
- content.index = mirror.index();
- content.receiver = this.serializeReference(mirror.receiver());
- var func = mirror.func();
- content.func = this.serializeReference(func);
- if (func.script()) {
- content.script = this.serializeReference(func.script());
- }
- content.constructCall = mirror.isConstructCall();
- content.debuggerFrame = mirror.isDebuggerFrame();
- var x = new Array(mirror.argumentCount());
- for (var i = 0; i < mirror.argumentCount(); i++) {
- var arg = {};
- var argument_name = mirror.argumentName(i)
- if (argument_name) {
- arg.name = argument_name;
- }
- arg.value = this.serializeReference(mirror.argumentValue(i));
- x[i] = arg;
- }
- content.arguments = x;
- var x = new Array(mirror.localCount());
- for (var i = 0; i < mirror.localCount(); i++) {
- var local = {};
- local.name = mirror.localName(i);
- local.value = this.serializeReference(mirror.localValue(i));
- x[i] = local;
- }
- content.locals = x;
- serializeLocationFields(mirror.sourceLocation(), content);
- var source_line_text = mirror.sourceLineText();
- if (!IS_UNDEFINED(source_line_text)) {
- content.sourceLineText = source_line_text;
- }
-
- content.scopes = [];
- for (var i = 0; i < mirror.scopeCount(); i++) {
- var scope = mirror.scope(i);
- content.scopes.push({
- type: scope.scopeType(),
- index: i
- });
- }
-}
-
-
-JSONProtocolSerializer.prototype.serializeScope_ = function(mirror, content) {
- content.index = mirror.scopeIndex();
- content.frameIndex = mirror.frameIndex();
- content.type = mirror.scopeType();
- content.object = this.inlineRefs_() ?
- this.serializeValue(mirror.scopeObject()) :
- this.serializeReference(mirror.scopeObject());
-}
-
-
-/**
- * Convert a number to a protocol value. For all finite numbers the number
- * itself is returned. For non finite numbers NaN, Infinite and
- * -Infinite the string representation "NaN", "Infinite" or "-Infinite"
- * (not including the quotes) is returned.
- *
- * @param {number} value The number value to convert to a protocol value.
- * @returns {number|string} Protocol value.
- */
-function NumberToJSON_(value) {
- if (isNaN(value)) {
- return 'NaN';
- }
- if (!isFinite(value)) {
- if (value > 0) {
- return 'Infinity';
- } else {
- return '-Infinity';
- }
- }
- return value;
-}
+++ /dev/null
-// Copyright 2010 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_NUMBER_INFO_H_
-#define V8_NUMBER_INFO_H_
-
-namespace v8 {
-namespace internal {
-
-// Unknown
-// |
-// Number
-// / |
-// HeapNumber Integer32
-// | |
-// | Smi
-// | /
-// Uninitialized.
-
-class NumberInfo {
- public:
- NumberInfo() { }
-
- static inline NumberInfo Unknown();
- // We know it's a number of some sort.
- static inline NumberInfo Number();
- // We know it's signed or unsigned 32 bit integer.
- static inline NumberInfo Integer32();
- // We know it's a Smi.
- static inline NumberInfo Smi();
- // We know it's a heap number.
- static inline NumberInfo HeapNumber();
- // We haven't started collecting info yet.
- static inline NumberInfo Uninitialized();
-
- // Return compact representation. Very sensitive to enum values below!
- int ThreeBitRepresentation() {
- ASSERT(type_ != kUninitializedType);
- int answer = type_ > 6 ? type_ -2 : type_;
- ASSERT(answer >= 0);
- ASSERT(answer <= 7);
- return answer;
- }
-
- // Decode compact representation. Very sensitive to enum values below!
- static NumberInfo ExpandedRepresentation(int three_bit_representation) {
- Type t = static_cast<Type>(three_bit_representation >= 6 ?
- three_bit_representation + 2 :
- three_bit_representation);
- ASSERT(t == kUnknownType ||
- t == kNumberType ||
- t == kInteger32Type ||
- t == kSmiType ||
- t == kHeapNumberType);
- return NumberInfo(t);
- }
-
- int ToInt() {
- return type_;
- }
-
- static NumberInfo FromInt(int bit_representation) {
- Type t = static_cast<Type>(bit_representation);
- ASSERT(t == kUnknownType ||
- t == kNumberType ||
- t == kInteger32Type ||
- t == kSmiType ||
- t == kHeapNumberType);
- return NumberInfo(t);
- }
-
- // Return the weakest (least precise) common type.
- static NumberInfo Combine(NumberInfo a, NumberInfo b) {
- return NumberInfo(static_cast<Type>(a.type_ & b.type_));
- }
-
- inline bool IsUnknown() {
- return type_ == kUnknownType;
- }
-
- inline bool IsNumber() {
- ASSERT(type_ != kUninitializedType);
- return ((type_ & kNumberType) == kNumberType);
- }
-
- inline bool IsSmi() {
- ASSERT(type_ != kUninitializedType);
- return ((type_ & kSmiType) == kSmiType);
- }
-
- inline bool IsInteger32() {
- ASSERT(type_ != kUninitializedType);
- return ((type_ & kInteger32Type) == kInteger32Type);
- }
-
- inline bool IsHeapNumber() {
- ASSERT(type_ != kUninitializedType);
- return ((type_ & kHeapNumberType) == kHeapNumberType);
- }
-
- inline bool IsUninitialized() {
- return type_ == kUninitializedType;
- }
-
- const char* ToString() {
- switch (type_) {
- case kUnknownType: return "UnknownType";
- case kNumberType: return "NumberType";
- case kSmiType: return "SmiType";
- case kHeapNumberType: return "HeapNumberType";
- case kInteger32Type: return "Integer32Type";
- case kUninitializedType:
- UNREACHABLE();
- return "UninitializedType";
- }
- UNREACHABLE();
- return "Unreachable code";
- }
-
- private:
- enum Type {
- kUnknownType = 0,
- kNumberType = 1,
- kInteger32Type = 3,
- kSmiType = 7,
- kHeapNumberType = 9,
- kUninitializedType = 15
- };
- explicit inline NumberInfo(Type t) : type_(t) { }
-
- Type type_;
-};
-
-
-NumberInfo NumberInfo::Unknown() {
- return NumberInfo(kUnknownType);
-}
-
-
-NumberInfo NumberInfo::Number() {
- return NumberInfo(kNumberType);
-}
-
-
-NumberInfo NumberInfo::Integer32() {
- return NumberInfo(kInteger32Type);
-}
-
-
-NumberInfo NumberInfo::Smi() {
- return NumberInfo(kSmiType);
-}
-
-
-NumberInfo NumberInfo::HeapNumber() {
- return NumberInfo(kHeapNumberType);
-}
-
-
-NumberInfo NumberInfo::Uninitialized() {
- return NumberInfo(kUninitializedType);
-}
-
-} } // namespace v8::internal
-
-#endif // V8_NUMBER_INFO_H_
+++ /dev/null
-// Copyright 2006-2009 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Expect $Object = global.Object;
-// Expect $Array = global.Array;
-
-const $RegExp = global.RegExp;
-
-// A recursive descent parser for Patterns according to the grammar of
-// ECMA-262 15.10.1, with deviations noted below.
-function DoConstructRegExp(object, pattern, flags, isConstructorCall) {
- // RegExp : Called as constructor; see ECMA-262, section 15.10.4.
- if (IS_REGEXP(pattern)) {
- if (!IS_UNDEFINED(flags)) {
- throw MakeTypeError('regexp_flags', []);
- }
- flags = (pattern.global ? 'g' : '')
- + (pattern.ignoreCase ? 'i' : '')
- + (pattern.multiline ? 'm' : '');
- pattern = pattern.source;
- }
-
- pattern = IS_UNDEFINED(pattern) ? '' : ToString(pattern);
- flags = IS_UNDEFINED(flags) ? '' : ToString(flags);
-
- var global = false;
- var ignoreCase = false;
- var multiline = false;
-
- for (var i = 0; i < flags.length; i++) {
- var c = StringCharAt.call(flags, i);
- switch (c) {
- case 'g':
- // Allow duplicate flags to be consistent with JSC and others.
- global = true;
- break;
- case 'i':
- ignoreCase = true;
- break;
- case 'm':
- multiline = true;
- break;
- default:
- // Ignore flags that have no meaning to be consistent with
- // JSC.
- break;
- }
- }
-
- if (isConstructorCall) {
- // ECMA-262, section 15.10.7.1.
- %SetProperty(object, 'source', pattern,
- DONT_DELETE | READ_ONLY | DONT_ENUM);
-
- // ECMA-262, section 15.10.7.2.
- %SetProperty(object, 'global', global, DONT_DELETE | READ_ONLY | DONT_ENUM);
-
- // ECMA-262, section 15.10.7.3.
- %SetProperty(object, 'ignoreCase', ignoreCase,
- DONT_DELETE | READ_ONLY | DONT_ENUM);
-
- // ECMA-262, section 15.10.7.4.
- %SetProperty(object, 'multiline', multiline,
- DONT_DELETE | READ_ONLY | DONT_ENUM);
-
- // ECMA-262, section 15.10.7.5.
- %SetProperty(object, 'lastIndex', 0, DONT_DELETE | DONT_ENUM);
- } else { // RegExp is being recompiled via RegExp.prototype.compile.
- %IgnoreAttributesAndSetProperty(object, 'source', pattern);
- %IgnoreAttributesAndSetProperty(object, 'global', global);
- %IgnoreAttributesAndSetProperty(object, 'ignoreCase', ignoreCase);
- %IgnoreAttributesAndSetProperty(object, 'multiline', multiline);
- %IgnoreAttributesAndSetProperty(object, 'lastIndex', 0);
- regExpCache.type = 'none';
- }
-
- // Call internal function to compile the pattern.
- %RegExpCompile(object, pattern, flags);
-}
-
-
-function RegExpConstructor(pattern, flags) {
- if (%_IsConstructCall()) {
- DoConstructRegExp(this, pattern, flags, true);
- } else {
- // RegExp : Called as function; see ECMA-262, section 15.10.3.1.
- if (IS_REGEXP(pattern) && IS_UNDEFINED(flags)) {
- return pattern;
- }
- return new $RegExp(pattern, flags);
- }
-}
-
-
-// Deprecated RegExp.prototype.compile method. We behave like the constructor
-// were called again. In SpiderMonkey, this method returns the regexp object.
-// In JSC, it returns undefined. For compatibility with JSC, we match their
-// behavior.
-function CompileRegExp(pattern, flags) {
- // Both JSC and SpiderMonkey treat a missing pattern argument as the
- // empty subject string, and an actual undefined value passed as the
- // pattern as the string 'undefined'. Note that JSC is inconsistent
- // here, treating undefined values differently in
- // RegExp.prototype.compile and in the constructor, where they are
- // the empty string. For compatibility with JSC, we match their
- // behavior.
- if (IS_UNDEFINED(pattern) && %_ArgumentsLength() != 0) {
- DoConstructRegExp(this, 'undefined', flags, false);
- } else {
- DoConstructRegExp(this, pattern, flags, false);
- }
-}
-
-
-function DoRegExpExec(regexp, string, index) {
- return %_RegExpExec(regexp, string, index, lastMatchInfo);
-}
-
-
-function RegExpCache() {
- this.type = 'none';
- this.regExp = 0;
- this.subject = 0;
- this.replaceString = 0;
- this.lastIndex = 0;
- this.answer = 0;
-}
-
-
-var regExpCache = new RegExpCache();
-
-
-function CloneRegexpAnswer(array) {
- var len = array.length;
- var answer = new $Array(len);
- for (var i = 0; i < len; i++) {
- answer[i] = array[i];
- }
- answer.index = array.index;
- answer.input = array.input;
- return answer;
-}
-
-
-function RegExpExec(string) {
- if (!IS_REGEXP(this)) {
- throw MakeTypeError('incompatible_method_receiver',
- ['RegExp.prototype.exec', this]);
- }
-
- var cache = regExpCache;
-
- if (%_ObjectEquals(cache.type, 'exec') &&
- %_ObjectEquals(cache.lastIndex, this.lastIndex) &&
- %_ObjectEquals(cache.regExp, this) &&
- %_ObjectEquals(cache.subject, string)) {
- var last = cache.answer;
- if (last == null) {
- return last;
- } else {
- return CloneRegexpAnswer(last);
- }
- }
-
- if (%_ArgumentsLength() == 0) {
- var regExpInput = LAST_INPUT(lastMatchInfo);
- if (IS_UNDEFINED(regExpInput)) {
- throw MakeError('no_input_to_regexp', [this]);
- }
- string = regExpInput;
- }
- var s;
- if (IS_STRING(string)) {
- s = string;
- } else {
- s = ToString(string);
- }
- var lastIndex = this.lastIndex;
-
- var i = this.global ? TO_INTEGER(lastIndex) : 0;
-
- if (i < 0 || i > s.length) {
- this.lastIndex = 0;
- return null;
- }
-
- %_Log('regexp', 'regexp-exec,%0r,%1S,%2i', [this, s, lastIndex]);
- // matchIndices is either null or the lastMatchInfo array.
- var matchIndices = %_RegExpExec(this, s, i, lastMatchInfo);
-
- if (matchIndices == null) {
- if (this.global) this.lastIndex = 0;
- cache.lastIndex = lastIndex;
- cache.regExp = this;
- cache.subject = s;
- cache.answer = matchIndices; // Null.
- cache.type = 'exec';
- return matchIndices; // No match.
- }
-
- var numResults = NUMBER_OF_CAPTURES(lastMatchInfo) >> 1;
- var result;
- if (numResults === 1) {
- var matchStart = lastMatchInfo[CAPTURE(0)];
- var matchEnd = lastMatchInfo[CAPTURE(1)];
- result = [SubString(s, matchStart, matchEnd)];
- } else {
- result = new $Array(numResults);
- for (var i = 0; i < numResults; i++) {
- var matchStart = lastMatchInfo[CAPTURE(i << 1)];
- var matchEnd = lastMatchInfo[CAPTURE((i << 1) + 1)];
- if (matchStart != -1 && matchEnd != -1) {
- result[i] = SubString(s, matchStart, matchEnd);
- } else {
- // Make sure the element is present. Avoid reading the undefined
- // property from the global object since this may change.
- result[i] = void 0;
- }
- }
- }
-
- result.index = lastMatchInfo[CAPTURE0];
- result.input = s;
- if (this.global) {
- this.lastIndex = lastMatchInfo[CAPTURE1];
- return result;
- } else {
- cache.regExp = this;
- cache.subject = s;
- cache.lastIndex = lastIndex;
- cache.answer = result;
- cache.type = 'exec';
- return CloneRegexpAnswer(result);
- }
-}
-
-
-// Section 15.10.6.3 doesn't actually make sense, but the intention seems to be
-// that test is defined in terms of String.prototype.exec. However, it probably
-// means the original value of String.prototype.exec, which is what everybody
-// else implements.
-function RegExpTest(string) {
- if (!IS_REGEXP(this)) {
- throw MakeTypeError('incompatible_method_receiver',
- ['RegExp.prototype.test', this]);
- }
- if (%_ArgumentsLength() == 0) {
- var regExpInput = LAST_INPUT(lastMatchInfo);
- if (IS_UNDEFINED(regExpInput)) {
- throw MakeError('no_input_to_regexp', [this]);
- }
- string = regExpInput;
- }
- var s;
- if (IS_STRING(string)) {
- s = string;
- } else {
- s = ToString(string);
- }
-
- var lastIndex = this.lastIndex;
-
- var cache = regExpCache;
-
- if (%_ObjectEquals(cache.type, 'test') &&
- %_ObjectEquals(cache.regExp, this) &&
- %_ObjectEquals(cache.subject, string) &&
- %_ObjectEquals(cache.lastIndex, lastIndex)) {
- return cache.answer;
- }
-
- var length = s.length;
- var i = this.global ? TO_INTEGER(lastIndex) : 0;
-
- cache.type = 'test';
- cache.regExp = this;
- cache.subject = s;
- cache.lastIndex = i;
-
- if (i < 0 || i > s.length) {
- this.lastIndex = 0;
- cache.answer = false;
- return false;
- }
-
- %_Log('regexp', 'regexp-exec,%0r,%1S,%2i', [this, s, lastIndex]);
- // matchIndices is either null or the lastMatchInfo array.
- var matchIndices = %_RegExpExec(this, s, i, lastMatchInfo);
-
- if (matchIndices == null) {
- if (this.global) this.lastIndex = 0;
- cache.answer = false;
- return false;
- }
-
- if (this.global) this.lastIndex = lastMatchInfo[CAPTURE1];
- cache.answer = true;
- return true;
-}
-
-
-function RegExpToString() {
- // If this.source is an empty string, output /(?:)/.
- // http://bugzilla.mozilla.org/show_bug.cgi?id=225550
- // ecma_2/RegExp/properties-001.js.
- var src = this.source ? this.source : '(?:)';
- var result = '/' + src + '/';
- if (this.global)
- result += 'g';
- if (this.ignoreCase)
- result += 'i';
- if (this.multiline)
- result += 'm';
- return result;
-}
-
-
-// Getters for the static properties lastMatch, lastParen, leftContext, and
-// rightContext of the RegExp constructor. The properties are computed based
-// on the captures array of the last successful match and the subject string
-// of the last successful match.
-function RegExpGetLastMatch() {
- var regExpSubject = LAST_SUBJECT(lastMatchInfo);
- return SubString(regExpSubject,
- lastMatchInfo[CAPTURE0],
- lastMatchInfo[CAPTURE1]);
-}
-
-
-function RegExpGetLastParen() {
- var length = NUMBER_OF_CAPTURES(lastMatchInfo);
- if (length <= 2) return ''; // There were no captures.
- // We match the SpiderMonkey behavior: return the substring defined by the
- // last pair (after the first pair) of elements of the capture array even if
- // it is empty.
- var regExpSubject = LAST_SUBJECT(lastMatchInfo);
- var start = lastMatchInfo[CAPTURE(length - 2)];
- var end = lastMatchInfo[CAPTURE(length - 1)];
- if (start != -1 && end != -1) {
- return SubString(regExpSubject, start, end);
- }
- return "";
-}
-
-
-function RegExpGetLeftContext() {
- return SubString(LAST_SUBJECT(lastMatchInfo),
- 0,
- lastMatchInfo[CAPTURE0]);
-}
-
-
-function RegExpGetRightContext() {
- var subject = LAST_SUBJECT(lastMatchInfo);
- return SubString(subject,
- lastMatchInfo[CAPTURE1],
- subject.length);
-}
-
-
-// The properties $1..$9 are the first nine capturing substrings of the last
-// successful match, or ''. The function RegExpMakeCaptureGetter will be
-// called with indices from 1 to 9.
-function RegExpMakeCaptureGetter(n) {
- return function() {
- var index = n * 2;
- if (index >= NUMBER_OF_CAPTURES(lastMatchInfo)) return '';
- var matchStart = lastMatchInfo[CAPTURE(index)];
- var matchEnd = lastMatchInfo[CAPTURE(index + 1)];
- if (matchStart == -1 || matchEnd == -1) return '';
- return SubString(LAST_SUBJECT(lastMatchInfo), matchStart, matchEnd);
- };
-}
-
-
-// Property of the builtins object for recording the result of the last
-// regexp match. The property lastMatchInfo includes the matchIndices
-// array of the last successful regexp match (an array of start/end index
-// pairs for the match and all the captured substrings), the invariant is
-// that there are at least two capture indeces. The array also contains
-// the subject string for the last successful match.
-var lastMatchInfo = [
- 2, // REGEXP_NUMBER_OF_CAPTURES
- "", // Last subject.
- void 0, // Last input - settable with RegExpSetInput.
- 0, // REGEXP_FIRST_CAPTURE + 0
- 0, // REGEXP_FIRST_CAPTURE + 1
-];
-
-// -------------------------------------------------------------------
-
-function SetupRegExp() {
- %FunctionSetInstanceClassName($RegExp, 'RegExp');
- %FunctionSetPrototype($RegExp, new $Object());
- %SetProperty($RegExp.prototype, 'constructor', $RegExp, DONT_ENUM);
- %SetCode($RegExp, RegExpConstructor);
-
- InstallFunctions($RegExp.prototype, DONT_ENUM, $Array(
- "exec", RegExpExec,
- "test", RegExpTest,
- "toString", RegExpToString,
- "compile", CompileRegExp
- ));
-
- // The length of compile is 1 in SpiderMonkey.
- %FunctionSetLength($RegExp.prototype.compile, 1);
-
- // The properties input, $input, and $_ are aliases for each other. When this
- // value is set the value it is set to is coerced to a string.
- // Getter and setter for the input.
- function RegExpGetInput() {
- var regExpInput = LAST_INPUT(lastMatchInfo);
- return IS_UNDEFINED(regExpInput) ? "" : regExpInput;
- }
- function RegExpSetInput(string) {
- regExpCache.type = 'none';
- LAST_INPUT(lastMatchInfo) = ToString(string);
- };
-
- %DefineAccessor($RegExp, 'input', GETTER, RegExpGetInput, DONT_DELETE);
- %DefineAccessor($RegExp, 'input', SETTER, RegExpSetInput, DONT_DELETE);
- %DefineAccessor($RegExp, '$_', GETTER, RegExpGetInput, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, '$_', SETTER, RegExpSetInput, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, '$input', GETTER, RegExpGetInput, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, '$input', SETTER, RegExpSetInput, DONT_ENUM | DONT_DELETE);
-
- // The properties multiline and $* are aliases for each other. When this
- // value is set in SpiderMonkey, the value it is set to is coerced to a
- // boolean. We mimic that behavior with a slight difference: in SpiderMonkey
- // the value of the expression 'RegExp.multiline = null' (for instance) is the
- // boolean false (ie, the value after coercion), while in V8 it is the value
- // null (ie, the value before coercion).
-
- // Getter and setter for multiline.
- var multiline = false;
- function RegExpGetMultiline() { return multiline; };
- function RegExpSetMultiline(flag) { multiline = flag ? true : false; };
-
- %DefineAccessor($RegExp, 'multiline', GETTER, RegExpGetMultiline, DONT_DELETE);
- %DefineAccessor($RegExp, 'multiline', SETTER, RegExpSetMultiline, DONT_DELETE);
- %DefineAccessor($RegExp, '$*', GETTER, RegExpGetMultiline, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, '$*', SETTER, RegExpSetMultiline, DONT_ENUM | DONT_DELETE);
-
-
- function NoOpSetter(ignored) {}
-
-
- // Static properties set by a successful match.
- %DefineAccessor($RegExp, 'lastMatch', GETTER, RegExpGetLastMatch, DONT_DELETE);
- %DefineAccessor($RegExp, 'lastMatch', SETTER, NoOpSetter, DONT_DELETE);
- %DefineAccessor($RegExp, '$&', GETTER, RegExpGetLastMatch, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, '$&', SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, 'lastParen', GETTER, RegExpGetLastParen, DONT_DELETE);
- %DefineAccessor($RegExp, 'lastParen', SETTER, NoOpSetter, DONT_DELETE);
- %DefineAccessor($RegExp, '$+', GETTER, RegExpGetLastParen, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, '$+', SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, 'leftContext', GETTER, RegExpGetLeftContext, DONT_DELETE);
- %DefineAccessor($RegExp, 'leftContext', SETTER, NoOpSetter, DONT_DELETE);
- %DefineAccessor($RegExp, '$`', GETTER, RegExpGetLeftContext, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, '$`', SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, 'rightContext', GETTER, RegExpGetRightContext, DONT_DELETE);
- %DefineAccessor($RegExp, 'rightContext', SETTER, NoOpSetter, DONT_DELETE);
- %DefineAccessor($RegExp, "$'", GETTER, RegExpGetRightContext, DONT_ENUM | DONT_DELETE);
- %DefineAccessor($RegExp, "$'", SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE);
-
- for (var i = 1; i < 10; ++i) {
- %DefineAccessor($RegExp, '$' + i, GETTER, RegExpMakeCaptureGetter(i), DONT_DELETE);
- %DefineAccessor($RegExp, '$' + i, SETTER, NoOpSetter, DONT_DELETE);
- }
-}
-
-
-SetupRegExp();
projects / platform / upstream / nodejs.git / commitdiff