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Migrating to v23

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James Chen edited this page Aug 7, 2013 · 1 revision

Changes needed to migrate to SpiderMonkey v23

API Changes

The definition of 'del' property has been changed.

// old
JSPropertyOp        delProperty;
// new
JSDeletePropertyOp  delProperty;

Misc Changes

configure includes the --disable-yarr-jit option. No longer needed in iOS.m4

Patched files

build-*

Adds build-ios, build-osx, build-android and build-win32 scripts

Build scripts: https://github.com/ricardoquesada/Spidermonkey/commit/0b50c307fdf16ea2e9588ca01fe51c152acaa77a

configure.in, configure, aclocal.m4, ios.m4

Adds iOS options

configure.in, aclocal.m4, ios.m4: https://github.com/ricardoquesada/Spidermonkey/commit/efb51d712edd721a07bb9d36a83837659849fe83
configure https://github.com/ricardoquesada/Spidermonkey/commit/b413890073ae520c5104966d444f3367596e992c

Android.mk

Needed to compile Android

Android.mk: https://github.com/ricardoquesada/Spidermonkey/commit/047d305ceddc22938dbe446826fc8cbd869c6a31

methodjit/Logging.h (Not longer needed from v23)

Disables JIT on debug.

Logging.h

// old
#if defined(DEBUG) && !defined(JS_METHODJIT_SPEW)
#define JS_METHODJIT_SPEW
#endif

// new
#ifdef JS_METHODJIT_SPEW

vm/NumericConversions.h

Disables ARM assembly optimizations when using clang

NumericConversions.h: https://github.com/ricardoquesada/Spidermonkey/commit/efb51d712edd721a07bb9d36a83837659849fe83

jspubtd.h

Disables "DEBUG" class id in order to have ABI compatibility between DEBUG and RELEASE builds

jspubtd.h: https://github.com/ricardoquesada/Spidermonkey/commit/efb51d712edd721a07bb9d36a83837659849fe83

AsmJS.h

Empty implementation of AsmJSMachExceptionHandler for iOS

AsmJS.h: https://github.com/ricardoquesada/Spidermonkey/commit/b3585af3650f22600e2b89a23136a7105b2496c9

Disabling init-api since that wasn't supported on Android and iOS.

The icu library will is too large to be included in spidermonkey. For instance, on win32, the size of the dynamic library 'mozjs.dll' will grow to 12M while 3M in v22. https://github.com/ricardoquesada/Spidermonkey/commit/5b9356315a9bffbf3faa4a5e87664b6e0909c6ff