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JS - support for Array.prototype.values()

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This commit is contained in:
janekptacijarabaci 2018-02-20 21:21:56 +01:00 • committed by Roy Tam
commit f8591643c5
8 changed files with 32 additions and 9 deletions
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10
js/src/jsapi.h
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@ -1099,7 +1099,8 @@ class JS_PUBLIC_API(ContextOptions) {
dumpStackOnDebuggeeWouldRun_(false),
werror_(false),
strictMode_(false),
extraWarnings_(false)
extraWarnings_(false),
arrayProtoValues_(true)
{
}
@ -1223,6 +1224,12 @@ class JS_PUBLIC_API(ContextOptions) {
return *this;
}
bool arrayProtoValues() const { return arrayProtoValues_; }
ContextOptions& setArrayProtoValues(bool flag) {
arrayProtoValues_ = flag;
return *this;
}
private:
bool baseline_ : 1;
bool ion_ : 1;
@ -1238,6 +1245,7 @@ class JS_PUBLIC_API(ContextOptions) {
bool werror_ : 1;
bool strictMode_ : 1;
bool extraWarnings_ : 1;
bool arrayProtoValues_ : 1;
};
JS_PUBLIC_API(ContextOptions&)

2
js/src/jsarray.cpp
View file

@ -3165,9 +3165,7 @@ static const JSFunctionSpec array_methods[] = {
JS_SELF_HOSTED_SYM_FN(iterator, "ArrayValues", 0,0),
JS_SELF_HOSTED_FN("entries", "ArrayEntries", 0,0),
JS_SELF_HOSTED_FN("keys", "ArrayKeys", 0,0),
#ifdef NIGHTLY_BUILD
JS_SELF_HOSTED_FN("values", "ArrayValues", 0,0),
#endif
/* ES7 additions */
JS_SELF_HOSTED_FN("includes", "ArrayIncludes", 2,0),

5
js/src/jsobj.cpp
View file

@ -2936,6 +2936,11 @@ DefineFunctionFromSpec(JSContext* cx, HandleObject obj, const JSFunctionSpec* fs
if (!PropertySpecNameToId(cx, fs->name, &id))
return false;
if (StandardProtoKeyOrNull(obj) == JSProto_Array && id == NameToId(cx->names().values)) {
if (!cx->options().arrayProtoValues())
return true;
}
JSFunction* fun = NewFunctionFromSpec(cx, fs, id);
if (!fun)
return false;

9
js/src/shell/js.cpp
View file

@ -323,6 +323,7 @@ static bool enableNativeRegExp = false;
static bool enableUnboxedArrays = false;
static bool enableSharedMemory = SHARED_MEMORY_DEFAULT;
static bool enableWasmAlwaysBaseline = false;
static bool enableArrayProtoValues = true;
static bool printTiming = false;
static const char* jsCacheDir = nullptr;
static const char* jsCacheAsmJSPath = nullptr;
@ -7264,6 +7265,7 @@ SetContextOptions(JSContext* cx, const OptionParser& op)
enableNativeRegExp = !op.getBoolOption("no-native-regexp");
enableUnboxedArrays = op.getBoolOption("unboxed-arrays");
enableWasmAlwaysBaseline = op.getBoolOption("wasm-always-baseline");
enableArrayProtoValues = !op.getBoolOption("no-array-proto-values");
JS::ContextOptionsRef(cx).setBaseline(enableBaseline)
.setIon(enableIon)
@ -7271,7 +7273,8 @@ SetContextOptions(JSContext* cx, const OptionParser& op)
.setWasm(enableWasm)
.setWasmAlwaysBaseline(enableWasmAlwaysBaseline)
.setNativeRegExp(enableNativeRegExp)
.setUnboxedArrays(enableUnboxedArrays);
.setUnboxedArrays(enableUnboxedArrays)
.setArrayProtoValues(enableArrayProtoValues);
if (op.getBoolOption("wasm-check-bce"))
jit::JitOptions.wasmAlwaysCheckBounds = true;
@ -7542,7 +7545,8 @@ SetWorkerContextOptions(JSContext* cx)
.setWasm(enableWasm)
.setWasmAlwaysBaseline(enableWasmAlwaysBaseline)
.setNativeRegExp(enableNativeRegExp)
.setUnboxedArrays(enableUnboxedArrays);
.setUnboxedArrays(enableUnboxedArrays)
.setArrayProtoValues(enableArrayProtoValues);
cx->setOffthreadIonCompilationEnabled(offthreadCompilation);
cx->profilingScripts = enableCodeCoverage || enableDisassemblyDumps;
@ -7715,6 +7719,7 @@ main(int argc, char** argv, char** envp)
|| !op.addBoolOption('\0', "unboxed-arrays", "Allow creating unboxed arrays")
|| !op.addBoolOption('\0', "wasm-always-baseline", "Enable wasm baseline compiler when possible")
|| !op.addBoolOption('\0', "wasm-check-bce", "Always generate wasm bounds check, even redundant ones.")
|| !op.addBoolOption('\0', "no-array-proto-values", "Remove Array.prototype.values")
#ifdef ENABLE_SHARED_ARRAY_BUFFER
|| !op.addStringOption('\0', "shared-memory", "on/off",
"SharedArrayBuffer and Atomics "