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Issue #2142 - Handle fields in derived classes

Browse source 
* Don't name field initializer lambdas

Based-on: m-c 1534721, 1551454, 1542448
This commit is contained in:
Martok 2023-04-08 03:47:06 +02:00 • committed by roytam1
commit 235ca77949
13 changed files with 361 additions and 190 deletions
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67
js/src/jsscript.h
View file

@ -704,6 +704,35 @@ class ScriptSourceObject : public NativeObject
enum GeneratorKind { NotGenerator, LegacyGenerator, StarGenerator };
enum FunctionAsyncKind { SyncFunction, AsyncFunction };
struct FieldInitializers
{
#ifdef DEBUG
bool valid;
#endif
// This struct will eventually have a vector of constant values for optimizing
// field initializers.
size_t numFieldInitializers;
explicit FieldInitializers(size_t numFieldInitializers)
:
#ifdef DEBUG
valid(true),
#endif
numFieldInitializers(numFieldInitializers) {
}
static FieldInitializers Invalid() { return FieldInitializers(); }
private:
FieldInitializers()
:
#ifdef DEBUG
valid(false),
#endif
numFieldInitializers(0) {
}
};
static inline unsigned
GeneratorKindAsBits(GeneratorKind generatorKind) {
return static_cast<unsigned>(generatorKind);
@ -855,6 +884,8 @@ class JSScript : public js::gc::TenuredCell
private:
js::SharedScriptData* scriptData_;
js::FieldInitializers fieldInitializers_ = js::FieldInitializers::Invalid();
public:
uint8_t* data; /* pointer to variable-length data array (see
comment above Create() for details) */
@ -1454,6 +1485,11 @@ class JSScript : public js::gc::TenuredCell
return functionHasThisBinding_;
}
void setFieldInitializers(js::FieldInitializers fieldInitializers) {
fieldInitializers_ = fieldInitializers;
}
const js::FieldInitializers& getFieldInitializers() const { return fieldInitializers_; }
/*
* Arguments access (via JSOP_*ARG* opcodes) must access the canonical
* location for the argument. If an arguments object exists AND it's mapped
@ -1999,35 +2035,6 @@ static_assert(sizeof(JSScript) % js::gc::CellSize == 0,
namespace js {
struct FieldInitializers
{
#ifdef DEBUG
bool valid;
#endif
// This struct will eventually have a vector of constant values for optimizing
// field initializers.
size_t numFieldInitializers;
explicit FieldInitializers(size_t numFieldInitializers)
:
#ifdef DEBUG
valid(true),
#endif
numFieldInitializers(numFieldInitializers) {
}
static FieldInitializers Invalid() { return FieldInitializers(); }
private:
FieldInitializers()
:
#ifdef DEBUG
valid(false),
#endif
numFieldInitializers(0) {
}
};
// Information about a script which may be (or has been) lazily compiled to
// bytecode from its source.
class LazyScript : public gc::TenuredCell
@ -2330,7 +2337,7 @@ class LazyScript : public gc::TenuredCell
fieldInitializers_ = fieldInitializers;
}
FieldInitializers getFieldInitializers() const { return fieldInitializers_; }
const FieldInitializers& getFieldInitializers() const { return fieldInitializers_; }
const char* filename() const {
return scriptSource()->filename();