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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-27 15:57:18 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-27 15:57:18 +0200
commitd990d8ab2cade6c928e8bbe56ae038d020cef599 (patch)
treec7561ae0f303cb0d4a7a7507178531b4852e4dea /js/src/jsscript.cpp
parent0c36b27511c1fbca594f0426c493ef601fda3e4c (diff)
parent8d5ec757ece850fb7ad5c712868f305636e41177 (diff)
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Merge branch 'master' of https://github.com/MoonchildProductions/UXP into js_array_values_1
Diffstat (limited to 'js/src/jsscript.cpp')
-rw-r--r--js/src/jsscript.cpp41
1 files changed, 26 insertions, 15 deletions
diff --git a/js/src/jsscript.cpp b/js/src/jsscript.cpp
index 10821f26a..e86ceab3d 100644
--- a/js/src/jsscript.cpp
+++ b/js/src/jsscript.cpp
@@ -316,6 +316,7 @@ js::XDRScript(XDRState<mode>* xdr, HandleScope scriptEnclosingScope, HandleScrip
IsLegacyGenerator,
IsStarGenerator,
IsAsync,
+ HasRest,
OwnSource,
ExplicitUseStrict,
SelfHosted,
@@ -431,6 +432,8 @@ js::XDRScript(XDRState<mode>* xdr, HandleScope scriptEnclosingScope, HandleScrip
scriptBits |= (1 << IsStarGenerator);
if (script->asyncKind() == AsyncFunction)
scriptBits |= (1 << IsAsync);
+ if (script->hasRest())
+ scriptBits |= (1 << HasRest);
if (script->hasSingletons())
scriptBits |= (1 << HasSingleton);
if (script->treatAsRunOnce())
@@ -582,6 +585,8 @@ js::XDRScript(XDRState<mode>* xdr, HandleScope scriptEnclosingScope, HandleScrip
if (scriptBits & (1 << IsAsync))
script->setAsyncKind(AsyncFunction);
+ if (scriptBits & (1 << HasRest))
+ script->setHasRest();
}
JS_STATIC_ASSERT(sizeof(jsbytecode) == 1);
@@ -1689,6 +1694,16 @@ ScriptSource::substringDontDeflate(JSContext* cx, size_t start, size_t stop)
return NewStringCopyNDontDeflate<CanGC>(cx, chars, len);
}
+JSFlatString*
+ScriptSource::functionBodyString(JSContext* cx)
+{
+ MOZ_ASSERT(isFunctionBody());
+
+ size_t start = parameterListEnd_ + (sizeof(FunctionConstructorMedialSigils) - 1);
+ size_t stop = length() - (sizeof(FunctionConstructorFinalBrace) - 1);
+ return substring(cx, start, stop);
+}
+
MOZ_MUST_USE bool
ScriptSource::setSource(ExclusiveContext* cx,
mozilla::UniquePtr<char16_t[], JS::FreePolicy>&& source,
@@ -1740,10 +1755,9 @@ ScriptSource::setCompressedSource(SharedImmutableString&& raw, size_t uncompress
bool
ScriptSource::setSourceCopy(ExclusiveContext* cx, SourceBufferHolder& srcBuf,
- bool argumentsNotIncluded, SourceCompressionTask* task)
+ SourceCompressionTask* task)
{
MOZ_ASSERT(!hasSourceData());
- argumentsNotIncluded_ = argumentsNotIncluded;
auto& cache = cx->zone()->runtimeFromAnyThread()->sharedImmutableStrings();
auto deduped = cache.getOrCreate(srcBuf.get(), srcBuf.length(), [&]() {
@@ -1940,16 +1954,6 @@ ScriptSource::performXDR(XDRState<mode>* xdr)
if (!xdr->codeUint32(&compressedLength))
return false;
- {
- uint8_t argumentsNotIncluded;
- if (mode == XDR_ENCODE)
- argumentsNotIncluded = argumentsNotIncluded_;
- if (!xdr->codeUint8(&argumentsNotIncluded))
- return false;
- if (mode == XDR_DECODE)
- argumentsNotIncluded_ = argumentsNotIncluded;
- }
-
size_t byteLen = compressedLength ? compressedLength : (len * sizeof(char16_t));
if (mode == XDR_DECODE) {
uint8_t* p = xdr->cx()->template pod_malloc<uint8_t>(Max<size_t>(byteLen, 1));
@@ -2074,7 +2078,8 @@ FormatIntroducedFilename(ExclusiveContext* cx, const char* filename, unsigned li
}
bool
-ScriptSource::initFromOptions(ExclusiveContext* cx, const ReadOnlyCompileOptions& options)
+ScriptSource::initFromOptions(ExclusiveContext* cx, const ReadOnlyCompileOptions& options,
+ Maybe<uint32_t> parameterListEnd)
{
MOZ_ASSERT(!filename_);
MOZ_ASSERT(!introducerFilename_);
@@ -2083,6 +2088,7 @@ ScriptSource::initFromOptions(ExclusiveContext* cx, const ReadOnlyCompileOptions
introductionType_ = options.introductionType;
setIntroductionOffset(options.introductionOffset);
+ parameterListEnd_ = parameterListEnd.isSome() ? parameterListEnd.value() : 0;
if (options.hasIntroductionInfo) {
MOZ_ASSERT(options.introductionType != nullptr);
@@ -2636,6 +2642,8 @@ JSScript::initFromFunctionBox(ExclusiveContext* cx, HandleScript script,
script->isGeneratorExp_ = funbox->isGenexpLambda;
script->setGeneratorKind(funbox->generatorKind());
script->setAsyncKind(funbox->asyncKind());
+ if (funbox->hasRest())
+ script->setHasRest();
PositionalFormalParameterIter fi(script);
while (fi && !fi.closedOver())
@@ -2796,9 +2804,10 @@ JSScript::assertValidJumpTargets() const
for (; tn < tnlimit; tn++) {
jsbytecode* tryStart = mainEntry + tn->start;
jsbytecode* tryPc = tryStart - 1;
- if (JSOp(*tryPc) != JSOP_TRY)
+ if (tn->kind != JSTRY_CATCH && tn->kind != JSTRY_FINALLY)
continue;
+ MOZ_ASSERT(JSOp(*tryPc) == JSOP_TRY);
jsbytecode* tryTarget = tryStart + tn->length;
MOZ_ASSERT(mainEntry <= tryTarget && tryTarget < end);
MOZ_ASSERT(BytecodeIsJumpTarget(JSOp(*tryTarget)));
@@ -3294,6 +3303,7 @@ js::detail::CopyScript(JSContext* cx, HandleScript src, HandleScript dst,
dst->needsHomeObject_ = src->needsHomeObject();
dst->isDefaultClassConstructor_ = src->isDefaultClassConstructor();
dst->isAsync_ = src->asyncKind() == AsyncFunction;
+ dst->hasRest_ = src->hasRest_;
if (nconsts != 0) {
GCPtrValue* vector = Rebase<GCPtrValue>(dst, src, src->consts()->vector);
@@ -4027,6 +4037,7 @@ LazyScript::Create(ExclusiveContext* cx, HandleFunction fun,
p.shouldDeclareArguments = false;
p.hasThisBinding = false;
p.isAsync = false;
+ p.hasRest = false;
p.numClosedOverBindings = closedOverBindings.length();
p.numInnerFunctions = innerFunctions.length();
p.generatorKindBits = GeneratorKindAsBits(NotGenerator);
@@ -4168,7 +4179,7 @@ JSScript::hasLoops()
bool
JSScript::mayReadFrameArgsDirectly()
{
- return argumentsHasVarBinding() || (function() && function()->hasRest());
+ return argumentsHasVarBinding() || hasRest();
}
static inline void