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Author SHA1 Message Date
Tor Andersson 42e29f6816 Simplify Array.prototype.sort by sorting in place using quicksort. 
Don't use libc qsort (which uses malloc on gnu libc) which can leak
memory if the callback throws an exception.
 2024-11-22 15:28:10 +01:00
Tor Andersson 0df0707f2f Release 1.3.5. 1.3.5 2024-06-20 13:01:41 +02:00
Tor Andersson 40556b31c6 Issue #130: Fix bug with String.prototype.split(RegExp). 
The "empty string at end of last match" should only trigger if the match
is empty!
 2024-01-26 14:18:54 +01:00
Tor Andersson d2697fd643 Expose extended unicode characters as surrogate pairs in String methods. 
Split extended characters into surrogate pairs for charCodeAt, string
indexing, and the string slice/subset functions.

Escape surrogate code points in JSON stringify.
 2024-01-26 14:18:54 +01:00
Tor Andersson a442a0418f Issue #164: Use correct scope for function declaration bindings. 
TODO: Make binding for function expression names immutable!
 2024-01-22 14:22:01 +01:00
Tor Andersson 7e27931468 Increase default stack sizes. 2024-01-19 14:43:08 +01:00
Tor Andersson e0885b354c regex: Dynamically allocate character class buffer. 
Use a huge buffer for compilation, copy into exact size for program.

Merge overlapping and adjoining character class ranges.

This reduces the number of classes needed for badly constructed
character classes like [ABCDEFGHIJKLMNOPQRSTUVWXYZ].
 2024-01-19 14:43:08 +01:00
Tor Andersson a76d157bda Release 1.3.4. 1.3.4 2023-11-21 16:27:50 +01:00
Tor Andersson 9f5bc0ff81 Finalize user data if object allocation fails. 2023-08-10 17:13:37 +02:00
Tor Andersson 9bd3edcbcd Fix bug when cleaning up after allocation error. 2023-08-10 17:04:53 +02:00
Tor Andersson ddd770933b Handle sign when converting integer strings to numbers. 2023-05-08 12:38:46 +02:00
Tor Andersson db212180bf Allow disabling readline support in Makefile. 
make HAVE_READLINE=no
 2023-04-04 15:22:39 +02:00
Tor Andersson 57e3f01d5f Add install-static and install-shared targets. 1.3.3 2023-01-10 12:11:11 +01:00
Tor Andersson f190f88ee2 Simplify Makefile. 2023-01-09 16:09:28 +01:00
Tor Andersson bb6a85a31c Issue #171: Compile sparse array initializers correctly. 
Don't initialize the holes with "undefined".
Elided array entries should be skipped altogether.
 2023-01-09 14:44:02 +01:00
Tor Andersson 32f3e71169 Issue #171: Fix Object.keys implementation for flat arrays and strings. 
Object.keys was not producing keys for the array part of a flat array.
It was also producing an array of numbers rather than strings for
string objects.
 2023-01-05 15:48:28 +01:00
Tor Andersson 2e2738b293 Change js_Value to union to avoid some compiler optimization warnings. 
Use a union of a union and the padding + type tag, to let the shrstr
object size be the full 16 bytes to avoid compiler complaints about
stepping out of bounds of the array when it optimizes heavily.
 2023-01-05 15:32:41 +01:00
Tor Andersson dd149b98bd Split debug printing of bytecode etc into "pp" tool. 2023-01-05 15:32:41 +01:00
Tor Andersson d283465777 Regenerate Unicode data from latest UnicodeData.txt 2023-01-04 17:29:22 +01:00
Tor Andersson 278590fcb4 Merge the small private header files into jsi.h 2023-01-04 17:29:22 +01:00
Tor Andersson 71ffe07495 Fix longjmp warnings. 2023-01-04 17:29:22 +01:00
Tor Andersson 88b31f342d Allow holes at the end of a simple array. 
Don't unflatten when creating with a = new Array(10).
Don't unflatten when deleting the last element.
 2023-01-04 17:28:23 +01:00
Tor Andersson 7d9888b739 Return "undefined" from C functions if no return value is pushed. 
Don't return the last input argument in this case.
 2023-01-04 17:28:23 +01:00
Tor Andersson bd037ab7aa Bug 706081: Fix off by one in size calculation. 2022-11-16 21:12:23 +01:00
Tor Andersson 09b3fcb1e7 Bug 706075: Fix errors in property deletion. 
1) Copy "level" from the replacement node.
2) Fix rebalancing by using exact algorithm from AA-tree paper.
 2022-11-14 17:43:58 +01:00
Tor Andersson f882c6c5fe Rename private functions to avoid problems with MSYS stdio.h. 2022-11-09 16:01:43 +01:00
Tor Andersson 66d98a5f8e Fix Array.prototype.slice when deleteCount is missing. 
Use behavior from newer JS specifications.
 2022-11-07 16:25:09 +01:00
Tor Andersson c067e1299c Avoid using the string interning table. 
Make a copy of the property name in the same allocation as the property slot.
Make a copy of the internal string value of String objects.
 2022-11-07 16:25:09 +01:00
Tor Andersson 0e611cdc0c 1.3.2 patch release for UAF bug fix. 1.3.2 2022-11-07 16:24:56 +01:00
Tor Andersson edb50ad66f Bug 706057: Fix use-after-free in getOwnPropertyDescriptor. 
getOwnPropertyDescriptor should create the descriptor object by
using [[DefineOwnProperty]], and not by looking through the prototype
chain where it may invoke getters and setters on the Object.prototype.

If there exists an Object.prototype.get property with a setter, that method is
invoked when it shouldn't. A malicious getter here can delete the property
currently being processed in getOwnPropertyDescriptor, and we'll end up
with a use-after-free bug.

Avoid this problem by following the spec and use js_defproperty rather than
js_setproperty to define own properties in getOwnPropertyDescriptor and
related functions.
 2022-11-07 13:44:24 +01:00
Tor Andersson bf4ac94207 Set length of output array Array.prototype.map. 2022-10-26 20:42:29 +02:00
Tor Andersson 69e2767d0a Make a patch release for important iterator bug fix. 1.3.1 2022-10-20 18:19:41 +02:00
Tor Andersson 8b5ba20957 Issue #166: Use special iterator for string and array indices. 
Add a scratch buffer to js_State to hold temporary strings.
 2022-10-20 18:14:54 +02:00
Ismael Luceno d592c785c0 Enable choice of library version for shell 
Default behavior is unchanged, but enables to chose the dynamic version by
passing "libmujs=libmujs.so" to make.
 2022-10-17 14:53:27 +02:00
Ismael Luceno 1138515255 Use $(@D) instead of $(dir $@) 2022-10-17 14:53:27 +02:00
Ismael Luceno 4d3165baf5 Bug 705905: Compute VERSION using Make. 2022-10-17 14:52:13 +02:00
Tor Andersson ebf235bfea Bump version number. 1.3.0 2022-10-11 18:18:55 +02:00
Sebastian Rasmussen bbb2c511e5 Avoid freeing buffer twice in case of error. 2022-10-11 18:09:38 +02:00
Tor Andersson 3f71a1c946 Fast path for "simple" arrays. 
An array without holes and with only integer properties can be represented
with a "flat" array part that allows for O(1) property access.

If we ever add a non-integer property, create holes in the array,
the whole array is unpacked into a normal string-keyed object.

Also add fast integer indexing to be used on these arrays, before falling
back to converting the integer to a string property lookup.

Use JS_ARRAYLIMIT to restrict size of arrays to avoid integer overflows and out
of memory thrashing.
 2022-09-08 13:54:14 +02:00
Tor Andersson ac03b95b18 Bug 705775: Fix double fclose in pretty-printing tool. 2022-08-23 11:16:42 +02:00
Wessel Dankers 1cbf19e7a9 Makefile: fix parallel builds 
The parent directory wasn't created when generating the .pc file,
causing it to fail in highly parallel builds.
 2022-08-05 13:13:21 +02:00
Tor Andersson 3451b6ca96 Guard state initialization with try to avoid panic in initialization. 2022-06-09 15:53:51 +02:00
Tor Andersson 88f6d86b6c Add js_isbooleanobject and js_isdateobject functions. 2022-05-25 16:33:53 +02:00
Tor Andersson f5b3c703e1 Issue #161: Cope with empty programs in mujs-pp. 2022-05-17 15:57:55 +02:00
Tor Andersson 910acc807c Issue #161: Don't fclose a FILE that is NULL. 2022-05-17 15:53:30 +02:00
Tor Andersson 160ae29578 Issue #162: Check stack overflow during regexp compilation. 
Only bother checking during the first compilation pass that counts
the size of the program.
 2022-05-17 15:32:16 +02:00
Tor Andersson db110ea88e Bug 705052: Don't use private STACK/TOP macros in jsstate.c 
These convenience macros are defined and used in jsrun.c, and should not
be used in other files.
 2022-03-16 11:34:18 +01:00
Tor Andersson 76e400fb67 Add "console" object to mujs shell. 2022-03-10 17:42:25 +01:00
Tor Andersson 434ae67268 Issue #156: Fix check for duplicate formal parameters when strict. 
Duplicate var and function declarations are still allowed.
 2022-03-10 17:42:00 +01:00
Tor Andersson 4586e81832 Some minor optimizations to Ap_join. 2022-02-23 14:58:49 +01:00