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* Rewrite `set_date_fields` to match the ECMA specificationCharlie Gordon2024-03-021-28/+52
| | | | | | | | | | | | - use `double` arithmetic where necessary to match the spec - use `volatile` to ensure correct order of evaluation and prevent FMA code generation - reject some border cases. - avoid undefined behavior in `double` -> `int64_t` conversions - improved tests/test_builtin.js `assert` function to compare values more reliably. - added some tests in `test_date()` - disable some of these tests on win32 and cygwin targets
* Add C API function JS_GetClassID()Tyler Rockwood2024-03-022-0/+12
| | | | | | | | | If you want to extend a built-in class you need it's class ID and there is no robust way to get that without this accessor. * add JS_INVALID_CLASS_ID constant for invalid class ID. Signed-off-by: Tyler Rockwood <rockwood@redpanda.com>
* Improve surrogate handling readabilityCharlie Gordon2024-03-023-124/+150
| | | | | | | | | - add inline function to test and convert surrogates is_surrogate(c), is_hi_surrogate(c), is_lo_surrogate(c), get_hi_surrogate(c), get_lo_surrogate(c), from_surrogate(hi, lo) - use names for BC header offsets and lengths in libregexp.c - remove strict aliasing violations in `lre_exec_backtrack()` - pass all context variables to XXX_CHAR macros in `lre_exec_backtrack()`
* Rename regex flag and field utf16 -> unicodeCharlie Gordon2024-03-023-61/+62
| | | | | - rename is_utf16 structure member to is_unicode - rename flag LRE_FLAG_UTF16 as LRE_FLAG_UNICODE
* Fix big endian serializationCharlie Gordon2024-03-022-61/+58
| | | | | | | | | | | | | | | | Big endian serialization was broken because: - it partially relied on `WORDS_ENDIAN` (unconditionally undef'd in cutils.h) - endianness was not handled at all in the bc reader. Modifications: - remove `WORDS_ENDIAN` - use `bc_put_u32()` / `bc_put_u64()` in `JS_WriteBigInt()` - use `bc_get_u32()` / `bc_get_u64()` in `JS_ReadBigInt()` - handle host endianness in `bc_get_u16()`, `bc_get_u32()`, `bc_get_u64()` and `JS_ReadFunctionBytecode()` - handle optional littleEndian argument as specified in `js_dataview_getValue()` and `js_dataview_setValue()`
* Fix UB signed integer overflow in js_math_imulCharlie Gordon2024-03-021-5/+7
| | | | | | | - Use uint32_t arithmetics and Standard conformant conversion to avoid UB in js_math_imul. - add builtin tests - use specific object directories for SAN targets
* Fix UB left shift of negative numberBen Noordhuis2024-03-021-1/+1
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* Remove unnecessary ssize_t posix-ismBen Noordhuis2024-03-021-1/+1
| | | | | | | | ssize_t is not always available and the cast it was used in wasn't necessary in the first place, the value already has the right type. Note that the field malloc_limit is an int64_t in JSMemoryUsage whereas it is a size_t in JSMallocState.
* Improve string concatenation hackCharlie Gordon2024-03-022-78/+96
| | | | | | - add more cases of in place string concatenation this temporary hack improves the microbench timing by 30% but has little impact on the test262 timings.
* Reverse e140122202cc24728b394f8f90fa2f4a2d7c397eCharlie Gordon2024-03-021-2/+0
| | | | | | | - remove temporary fix for MemorySanitizer: setting p->u.array.count to 0 silenced a warning in JS_GetPropertyValue on a hacky test agains the length of fast_array object. This hack was removed by commit c3635861f63931255c7a953bccbb0e2e90cc75aa.
* Fix test262 errorCharlie Gordon2024-03-021-2/+8
| | | | | | - force evaluation order in `set_date_fields` - fix evaluation error in test262/test/built-ins/Date/UTC/fp-evaluation-order.js:19: unexpected error: Test262Error: precision in MakeDate Expected SameValue(«34448384», «34447360») to be true
* Fix sloppy mode arguments uninitialized value useBen Noordhuis2024-03-021-0/+2
| | | | | | MemorySanitizer complained about uninitialized reads in the indexed property code path in JS_GetPropertyValue() with JS_CLASS_MAPPED_ARGUMENTS objects.
* Remove unsafe sprintf() and strcat() callsBen Noordhuis2024-03-021-22/+24
| | | | | Prep work for enabling the sanitizers on macos CI since they are marked as deprecated and cause the build to fail when -Werror is enabled.
* Fix undefined behavior (UBSAN)Charlie Gordon2024-03-021-2/+4
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* Fix UB in js_dtoa1Saúl Ibarra Corretgé2024-03-021-1/+3
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* Fix runtime bugsCharlie Gordon2024-03-021-13/+9
| | | | | - fix string leak in `js_printf_internal` on errors - read `errno` before potential side effects in `js_os_stat`
* Strip trailing spacesCharlie Gordon2024-03-0214-760/+760
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* avoid using INT64_MAX in double comparisons because it cannot be exactly ↵Fabrice Bellard2024-03-021-2/+3
| | | | represented as a double (bnoordhuis)
* fixed Promise return in the REPL by using a wrapper object in async ↵Fabrice Bellard2024-03-021-2/+14
| | | | std.evalScript() (github issue #231)
* export JS_GetModuleNamespace (github issue #34)Fabrice Bellard2024-03-022-7/+6
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* simplified and fixed arrow function parsing (github issue #226)Fabrice Bellard2024-03-021-46/+57
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* new releaseFabrice Bellard2024-03-021-1/+1
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* fixed JS_GetScriptOrModuleName() in direct or indirect eval codeFabrice Bellard2024-03-021-11/+24
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* quickjs: reduce diff with upstreambptato2024-03-022-61/+18
| | | | | | * the uint8array thing is probably from txiki.js, but we never used it * upstream now has JS_GetClassID, importing that instead... (so this commit won't build :/)
* Update Chagashibptato2024-02-261-0/+0
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* Update Chagashibptato2024-02-231-0/+0
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* Replace Chakasu with Chagashibptato2024-02-222-0/+0
| | | | | | The API is horrid :( but at least it copies less. TODO: think of a better API.
* Update chamebptato2024-02-211-0/+0
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* Update chamebptato2024-02-081-0/+0
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* Update chamebptato2024-02-071-0/+0
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* Incremental renderingbptato2024-02-071-0/+0
| | | | | | | | | | | | Yay! Admittedly, it is not very useful in its current form, except maybe on very slow networks. The problem is that renderDocument is *slow*, so we only run it when onload fails to consume all bytes from the network in a single pass. Even then, we are guaranteed to get a FOUC, since CSS is only downloaded in finishLoad(). Well, I think it's cool, anyway.
* Update chamebptato2024-02-071-0/+0
| | | | | | | | * Update chame to the latest version * Get rid of nodeType usage * Add atoms * Re-implement DOM attributes * document.write
* fix bug in prev commitbptato2024-02-051-1/+1
| | | | it's 0, not 1 :(
* regex: fix 8-bit narrow strings in JSbptato2024-02-051-25/+39
| | | | | The previous approach to add UTF-8 support to libregexp was broken. This time, we use a separate flag (cbuf_len == 3) to indicate UTF-8 input.
* quickjs: patch libunicode.h to use LRE_BOOLbptato2024-01-151-2/+2
| | | | | | | This way it actually compiles :) (QJS includes cutils.h too, so BOOL works there. We don't, so this is the easiest fix.)
* native cosmopolitan buildFabrice Bellard2024-01-111-16/+5
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* more portable and Windows version for getTimezoneOffset() (github issue #122)Fabrice Bellard2024-01-111-9/+24
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* regexp: fixed the zero advance logic in quantifiers (github issue #158)Fabrice Bellard2024-01-112-74/+42
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* optional chaining fixes (github issue #103)Fabrice Bellard2024-01-112-7/+111
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* fixed Date.toLocaleString() (kuzmas)Fabrice Bellard2024-01-111-1/+1
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* fixed regexp case insensitive flagFabrice Bellard2024-01-114-196/+374
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* fixed next token parsing after a function definition (github issue #77)Fabrice Bellard2024-01-111-27/+51
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* fixed class name init in static initializersFabrice Bellard2024-01-111-17/+10
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* avoid potentially undefined behavior and make valgrind happy (bnoordhuis) ↵Fabrice Bellard2024-01-111-14/+12
| | | | (github issue #153)
* make for in faster and spec compliant (github issue #137)Fabrice Bellard2024-01-111-86/+143
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* fixed test262: derived-this-uninitialized-realm.jsFabrice Bellard2024-01-112-4/+28
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* added a comment for non-initialized warning in Valgrind (github issue #153)Fabrice Bellard2024-01-111-0/+10
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* added 'in' operator for private fieldsFabrice Bellard2024-01-112-75/+162
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* class static block (initial patch by bnoordhuis)Fabrice Bellard2024-01-111-17/+76
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* fixed crash in JS_DumpMemoryUsage (github issue #65)Fabrice Bellard2024-01-111-2/+2
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