更新到2020-04-12版本

Author: llgoer

Changelog

@@ -1,3 +1,10 @@
+2020-04-12:
+
+- added cross realm support
+- added AggregateError and Promise.any
+- added env, uid and gid options in os.exec()
+- misc bug fixes
+
 2020-03-16:
 
 - reworked error handling in std and os libraries: suppressed I/O

TODO

@@ -73,6 +73,6 @@ REPL:
 Test262o:   0/11262 errors, 463 excluded
 Test262o commit: 7da91bceb9ce7613f87db47ddd1292a2dda58b42 (es5-tests branch)
 
-Test262:   22/70040 errors, 860 excluded, 581 skipped
-test262 commit: 25c9e334d301944537215caba1d7f44319f3e0da
+Test262: 28/70829 errors, 877 excluded, 425 skipped
+Test262 commit: 4a8e49b3ca7f9f74a4cafe6621ff9ba548ccc353
 

VERSION

@@ -1 +1 @@
-2020-03-16
+2020-04-12

doc/quickjs.html

@@ -20,8 +20,8 @@
 @chapter Introduction
 
 QuickJS is a small and embeddable Javascript engine. It supports the
-upcoming ES2020 specification
-@footnote{@url{https://www.ecma-international.org/ecma-262/10.0}}
+ES2020 specification
+@footnote{@url{https://tc39.es/ecma262/}}
 including modules, asynchronous generators, proxies and BigInt.
 
 It supports mathematical extensions such as big decimal float float
@@ -36,12 +36,12 @@ and operator overloading.
 
 @item Fast interpreter with very low startup time: runs the 69000 tests of the ECMAScript Test Suite@footnote{@url{https://github.com/tc39/test262}} in about 95 seconds on a single core of a desktop PC. The complete life cycle of a runtime instance completes in less than 300 microseconds.
 
-@item Almost complete ES2019 support including modules, asynchronous
+@item Almost complete ES2020 support including modules, asynchronous
 generators and full Annex B support (legacy web compatibility). Many
-features from the upcoming ES2020 specification
+features from the upcoming ES2021 specification
 @footnote{@url{https://tc39.github.io/ecma262/}} are also supported.
 
-@item Passes nearly 100% of the ECMAScript Test Suite tests when selecting the ES2019 features.
+@item Passes nearly 100% of the ECMAScript Test Suite tests when selecting the ES2020 features.
 
 @item Compile Javascript sources to executables with no external dependency.
 
@@ -259,17 +259,15 @@ about 100 seconds).
 
 @section Language support
 
-@subsection ES2019 support
+@subsection ES2020 support
 
-The ES2019 specification is almost fully supported including the Annex
+The ES2020 specification is almost fully supported including the Annex
 B (legacy web compatibility) and the Unicode related features.
 
 The following features are not supported yet:
 
 @itemize
 
-@item Realms (although the C API supports different runtimes and contexts)
-
 @item Tail calls@footnote{We believe the current specification of tails calls is too complicated and presents limited practical interests.}
 
 @end itemize
@@ -704,7 +702,18 @@ object containing optional parameters:
   @item stdout
   @item stderr
   If present, set the handle in the child for stdin, stdout or stderr.
- 
+
+  @item env
+  Object. If present, set the process environment from the object
+  key-value pairs. Otherwise use the same environment as the current
+  process.
+
+  @item uid
+  Integer. If present, the process uid with @code{setuid}.
+
+  @item gid 
+  Integer. If present, the process gid with @code{setgid}.
+
   @end table
 
 @item waitpid(pid, options)

doc/quickjs.pdf

@@ -1701,10 +1701,12 @@ static int __bf_div(bf_t *r, const bf_t *a, const bf_t *b, limb_t prec,
         memset(taba, 0, d * sizeof(limb_t));
         memcpy(taba + d, a->tab, a->len * sizeof(limb_t));
         if (bf_resize(r, n + 1))
+            goto fail1;
+        if (mp_divnorm(s, r->tab, taba, na, b->tab, nb)) {
+        fail1:
+            bf_free(s, taba);
             goto fail;
-        if (mp_divnorm(s, r->tab, taba, na, b->tab, nb))
-            goto fail;
-        
+        }
         /* see if non zero remainder */
         if (mp_scan_nz(taba, nb))
             r->tab[0] |= 1;