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-rw-r--r--js/src/jsscript.cpp47
1 files changed, 35 insertions, 12 deletions
diff --git a/js/src/jsscript.cpp b/js/src/jsscript.cpp
index 9f914943e..33ae56d6f 100644
--- a/js/src/jsscript.cpp
+++ b/js/src/jsscript.cpp
@@ -235,6 +235,7 @@ XDRRelazificationInfo(XDRState<mode>* xdr, HandleFunction fun, HandleScript scri
{
uint32_t begin = script->sourceStart();
uint32_t end = script->sourceEnd();
+ uint32_t preludeStart = script->preludeStart();
uint32_t lineno = script->lineno();
uint32_t column = script->column();
@@ -242,6 +243,7 @@ XDRRelazificationInfo(XDRState<mode>* xdr, HandleFunction fun, HandleScript scri
packedFields = lazy->packedFields();
MOZ_ASSERT(begin == lazy->begin());
MOZ_ASSERT(end == lazy->end());
+ MOZ_ASSERT(preludeStart == lazy->preludeStart());
MOZ_ASSERT(lineno == lazy->lineno());
MOZ_ASSERT(column == lazy->column());
// We can assert we have no inner functions because we don't
@@ -255,7 +257,7 @@ XDRRelazificationInfo(XDRState<mode>* xdr, HandleFunction fun, HandleScript scri
if (mode == XDR_DECODE) {
lazy.set(LazyScript::Create(cx, fun, script, enclosingScope, script,
- packedFields, begin, end, lineno, column));
+ packedFields, begin, end, preludeStart, lineno, column));
// As opposed to XDRLazyScript, we need to restore the runtime bits
// of the script, as we are trying to match the fact this function
@@ -517,7 +519,7 @@ js::XDRScript(XDRState<mode>* xdr, HandleScope scriptEnclosingScope, HandleScrip
sourceObject = &enclosingScript->sourceObject()->as<ScriptSourceObject>();
}
- script = JSScript::Create(cx, options, sourceObject, 0, 0);
+ script = JSScript::Create(cx, options, sourceObject, 0, 0, 0);
if (!script)
return false;
@@ -600,6 +602,8 @@ js::XDRScript(XDRState<mode>* xdr, HandleScope scriptEnclosingScope, HandleScrip
return false;
if (!xdr->codeUint32(&script->sourceEnd_))
return false;
+ if (!xdr->codeUint32(&script->preludeStart_))
+ return false;
if (!xdr->codeUint32(&lineno) ||
!xdr->codeUint32(&column) ||
@@ -930,6 +934,7 @@ js::XDRLazyScript(XDRState<mode>* xdr, HandleScope enclosingScope, HandleScript
{
uint32_t begin;
uint32_t end;
+ uint32_t preludeStart;
uint32_t lineno;
uint32_t column;
uint64_t packedFields;
@@ -943,12 +948,14 @@ js::XDRLazyScript(XDRState<mode>* xdr, HandleScope enclosingScope, HandleScript
begin = lazy->begin();
end = lazy->end();
+ preludeStart = lazy->preludeStart();
lineno = lazy->lineno();
column = lazy->column();
packedFields = lazy->packedFields();
}
if (!xdr->codeUint32(&begin) || !xdr->codeUint32(&end) ||
+ !xdr->codeUint32(&preludeStart) ||
!xdr->codeUint32(&lineno) || !xdr->codeUint32(&column) ||
!xdr->codeUint64(&packedFields))
{
@@ -957,7 +964,7 @@ js::XDRLazyScript(XDRState<mode>* xdr, HandleScope enclosingScope, HandleScript
if (mode == XDR_DECODE) {
lazy.set(LazyScript::Create(cx, fun, nullptr, enclosingScope, enclosingScript,
- packedFields, begin, end, lineno, column));
+ packedFields, begin, end, preludeStart, lineno, column));
if (!lazy)
return false;
fun->initLazyScript(lazy);
@@ -1430,6 +1437,13 @@ JSScript::sourceData(JSContext* cx)
return scriptSource()->substring(cx, sourceStart(), sourceEnd());
}
+JSFlatString*
+JSScript::sourceDataWithPrelude(JSContext* cx)
+{
+ MOZ_ASSERT(scriptSource()->hasSourceData());
+ return scriptSource()->substring(cx, preludeStart(), sourceEnd());
+}
+
UncompressedSourceCache::AutoHoldEntry::AutoHoldEntry()
: cache_(nullptr), sourceChunk_()
{
@@ -2428,7 +2442,8 @@ JSScript::initCompartment(ExclusiveContext* cx)
/* static */ JSScript*
JSScript::Create(ExclusiveContext* cx, const ReadOnlyCompileOptions& options,
- HandleObject sourceObject, uint32_t bufStart, uint32_t bufEnd)
+ HandleObject sourceObject, uint32_t bufStart, uint32_t bufEnd,
+ uint32_t preludeStart)
{
MOZ_ASSERT(bufStart <= bufEnd);
@@ -2450,6 +2465,7 @@ JSScript::Create(ExclusiveContext* cx, const ReadOnlyCompileOptions& options,
script->setSourceObject(sourceObject);
script->sourceStart_ = bufStart;
script->sourceEnd_ = bufEnd;
+ script->preludeStart_ = preludeStart;
return script;
}
@@ -3382,7 +3398,8 @@ CreateEmptyScriptForClone(JSContext* cx, HandleScript src)
.setNoScriptRval(src->noScriptRval())
.setVersion(src->getVersion());
- return JSScript::Create(cx, options, sourceObject, src->sourceStart(), src->sourceEnd());
+ return JSScript::Create(cx, options, sourceObject, src->sourceStart(), src->sourceEnd(),
+ src->preludeStart());
}
JSScript*
@@ -3932,7 +3949,8 @@ JSScript::formalLivesInArgumentsObject(unsigned argSlot)
}
LazyScript::LazyScript(JSFunction* fun, void* table, uint64_t packedFields,
- uint32_t begin, uint32_t end, uint32_t lineno, uint32_t column)
+ uint32_t begin, uint32_t end,
+ uint32_t preludeStart, uint32_t lineno, uint32_t column)
: script_(nullptr),
function_(fun),
enclosingScope_(nullptr),
@@ -3941,6 +3959,7 @@ LazyScript::LazyScript(JSFunction* fun, void* table, uint64_t packedFields,
packedFields_(packedFields),
begin_(begin),
end_(end),
+ preludeStart_(preludeStart),
lineno_(lineno),
column_(column)
{
@@ -3990,7 +4009,7 @@ LazyScript::maybeForwardedScriptSource() const
/* static */ LazyScript*
LazyScript::CreateRaw(ExclusiveContext* cx, HandleFunction fun,
uint64_t packedFields, uint32_t begin, uint32_t end,
- uint32_t lineno, uint32_t column)
+ uint32_t preludeStart, uint32_t lineno, uint32_t column)
{
union {
PackedView p;
@@ -4018,7 +4037,8 @@ LazyScript::CreateRaw(ExclusiveContext* cx, HandleFunction fun,
cx->compartment()->scheduleDelazificationForDebugger();
- return new (res) LazyScript(fun, table.forget(), packed, begin, end, lineno, column);
+ return new (res) LazyScript(fun, table.forget(), packed, begin, end,
+ preludeStart, lineno, column);
}
/* static */ LazyScript*
@@ -4026,7 +4046,8 @@ LazyScript::Create(ExclusiveContext* cx, HandleFunction fun,
const frontend::AtomVector& closedOverBindings,
Handle<GCVector<JSFunction*, 8>> innerFunctions,
JSVersion version,
- uint32_t begin, uint32_t end, uint32_t lineno, uint32_t column)
+ uint32_t begin, uint32_t end,
+ uint32_t preludeStart, uint32_t lineno, uint32_t column)
{
union {
PackedView p;
@@ -4049,7 +4070,8 @@ LazyScript::Create(ExclusiveContext* cx, HandleFunction fun,
p.isDerivedClassConstructor = false;
p.needsHomeObject = false;
- LazyScript* res = LazyScript::CreateRaw(cx, fun, packedFields, begin, end, lineno, column);
+ LazyScript* res = LazyScript::CreateRaw(cx, fun, packedFields, begin, end, preludeStart,
+ lineno, column);
if (!res)
return nullptr;
@@ -4070,7 +4092,7 @@ LazyScript::Create(ExclusiveContext* cx, HandleFunction fun,
HandleScript script, HandleScope enclosingScope,
HandleScript enclosingScript,
uint64_t packedFields, uint32_t begin, uint32_t end,
- uint32_t lineno, uint32_t column)
+ uint32_t preludeStart, uint32_t lineno, uint32_t column)
{
// Dummy atom which is not a valid property name.
RootedAtom dummyAtom(cx, cx->names().comma);
@@ -4079,7 +4101,8 @@ LazyScript::Create(ExclusiveContext* cx, HandleFunction fun,
// holding this lazy script.
HandleFunction dummyFun = fun;
- LazyScript* res = LazyScript::CreateRaw(cx, fun, packedFields, begin, end, lineno, column);
+ LazyScript* res = LazyScript::CreateRaw(cx, fun, packedFields, begin, end, preludeStart,
+ lineno, column);
if (!res)
return nullptr;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 07:40:49 +0000