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* Improve class parser (#289)Charlie Gordon2024-05-05
| | | | | - accept `class P { async = 1 }}` - accept `class P { static = 1 }}` etc. - Fixes #261
* fix class method with name get (#258)Richard Davison2024-05-05
| | | Co-authored-by: Richard Davison <ridaviso@amazon.com>
* Improve libunicode and libregexp headers (#288)Charlie Gordon2024-05-05
| | | | | | | - move all `lre_xxx` functions to libunicode - use flags table `lre_ctype_bits` instead of bitmaps - simplify `lre_is_space`, `lre_js_is_ident_first` and `lre_js_is_ident_next` - simplify `simple_next_token`, handle UTF-8 correctly - simplify `is_let`, remove dead code
* Fix endianness handling in `js_dataview_getValue` / `js_dataview_setValue`Charlie Gordon2024-03-23
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* Improve error handlingCharlie Gordon2024-03-23
| | | | | | | - detect and report invalid duplicate parameter names - throw RangeError for too many function arguments - throw RangeError for invalid string length - prevent `-Wcast-function-type` warnings
* Improve `JSON.stringify`Charlie Gordon2024-03-23
| | | | | | | | - changed error messages - clarify `toJSON` method usage - simplify boxed objects handling - for ECMA conformity, BigInt objects need a toJSON method in the prototype chain including boxed objects
* Use more explicit magic values for array methodsCharlie Gordon2024-03-23
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* Simplify redundant initializers for `JS_NewBool()`Charlie Gordon2024-03-23
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* Fix compilation with -DCONFIG_BIGNUMCharlie Gordon2024-03-22
| | | | | - disable BigDecimal convertion in `JS_ReadBigNum` - fix some error messages
* Improve Date.parse, small fixesCharlie Gordon2024-03-22
| | | | | | | | - add `minimum_length` to enforce array length validation - add `JS_NewDate()` API - add `[Symbol.toStringTag]` property in the global object - simplify `string_get_milliseconds` - support more timezone abbrevs using `string_get_tzabbr` and array
* Prevent UB on memcpy and floating point conversionsCharlie Gordon2024-03-03
| | | | | | | - add `memcpy_no_ub` that accepts null pointers for 0 count - prevent 0 length allocation in `js_worker_postMessage` - use safer test for `int` value in `JS_NewFloat64`, `JS_ToArrayLengthFree` and `js_typed_array_indexOf`
* Improve Date.parseCharlie Gordon2024-03-03
| | | | | | | | | | - accept many more alternative date/time formats - add test cases in tests/test_builtin.js - match month and timezone names case insensitively - accept AM and PM markers - recognize US timezone names - skip parenthesized stuff - fix almost all v8 test cases
* Improve Number.prototype.toString for radix other than 10Charlie Gordon2024-03-02
| | | | | | | - fix the conversions for integers and exact fractions - approximate approach for other cases. - bypass floating point conversions for JS_TAG_INT values - avoid divisions for base 10 integer conversions
* Improve Date.parseCharlie Gordon2024-02-25
| | | | | | | | - rewrite Date.parse() with separate parsers - return `NaN` for out of bounds field values as specified - accept up to 9 decimals for millisecond fraction but truncate at 3 - accept many more alternative date/time formats - add test cases in tests/test_builtin.js
* Fix Map hash bugCharlie Gordon2024-02-22
| | | | | | - `map_hash_key` must generate the same key for JS_INT and JS_FLOAT64 with the same value - add test cases in tests/test_builtin.js
* Rewrite `set_date_fields` to match the ECMA specificationCharlie Gordon2024-02-21
| | | | | | | | | | | | - 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 Rockwood2024-02-21
| | | | | | | | | 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 Gordon2024-02-20
| | | | | | | | | - 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 Gordon2024-02-19
| | | | | - rename is_utf16 structure member to is_unicode - rename flag LRE_FLAG_UTF16 as LRE_FLAG_UNICODE
* Fix big endian serializationCharlie Gordon2024-02-18
| | | | | | | | | | | | | | | | 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 Gordon2024-02-17
| | | | | | | - 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 Noordhuis2024-02-17
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* Remove unnecessary ssize_t posix-ismBen Noordhuis2024-02-16
| | | | | | | | 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 Gordon2024-02-15
| | | | | | - 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 Gordon2024-02-13
| | | | | | | - 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 Gordon2024-02-12
| | | | | | - 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 Noordhuis2024-02-11
| | | | | | 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 Noordhuis2024-02-11
| | | | | 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 Gordon2024-02-11
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* Fix UB in js_dtoa1Saúl Ibarra Corretgé2024-02-11
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* Fix runtime bugsCharlie Gordon2024-02-11
| | | | | - fix string leak in `js_printf_internal` on errors - read `errno` before potential side effects in `js_os_stat`
* Strip trailing spacesCharlie Gordon2024-02-10
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* avoid using INT64_MAX in double comparisons because it cannot be exactly ↵Fabrice Bellard2024-02-03
| | | | represented as a double (bnoordhuis)
* fixed Promise return in the REPL by using a wrapper object in async ↵Fabrice Bellard2024-02-03
| | | | std.evalScript() (github issue #231)
* export JS_GetModuleNamespace (github issue #34)Fabrice Bellard2024-01-27
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* simplified and fixed arrow function parsing (github issue #226)Fabrice Bellard2024-01-27
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* fixed JS_GetScriptOrModuleName() in direct or indirect eval codeFabrice Bellard2024-01-13
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* native cosmopolitan buildFabrice Bellard2024-01-11
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* more portable and Windows version for getTimezoneOffset() (github issue #122)Fabrice Bellard2024-01-11
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* optional chaining fixes (github issue #103)Fabrice Bellard2024-01-09
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* fixed Date.toLocaleString() (kuzmas)Fabrice Bellard2024-01-08
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* fixed next token parsing after a function definition (github issue #77)Fabrice Bellard2024-01-08
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* fixed class name init in static initializersFabrice Bellard2024-01-08
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* avoid potentially undefined behavior and make valgrind happy (bnoordhuis) ↵Fabrice Bellard2024-01-08
| | | | (github issue #153)
* make for in faster and spec compliant (github issue #137)Fabrice Bellard2024-01-06
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* fixed test262: derived-this-uninitialized-realm.jsFabrice Bellard2024-01-06
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* added a comment for non-initialized warning in Valgrind (github issue #153)Fabrice Bellard2024-01-06
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* added 'in' operator for private fieldsFabrice Bellard2024-01-02
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* class static block (initial patch by bnoordhuis)Fabrice Bellard2024-01-02
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* fixed crash in JS_DumpMemoryUsage (github issue #65)Fabrice Bellard2024-01-02
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