void FuncInfo::OnStartVisitScope(Scope *scope, bool *pisMergedScope)
{
*pisMergedScope = false;
if (scope == nullptr)
{
return;
}
Scope* childScope = this->GetCurrentChildScope();
if (childScope)
{
if (scope->GetScopeType() == ScopeType_Parameter)
{
Assert(childScope->GetEnclosingScope() == scope);
}
else if (childScope->GetScopeType() == ScopeType_Parameter
&& childScope->GetCanMergeWithBodyScope()
&& scope->GetScopeType() == ScopeType_Block)
{
// If param and body are merged then the class declaration in param scope will have body as the parent
*pisMergedScope = true;
Assert(childScope == scope->GetEnclosingScope()->GetEnclosingScope());
}
else
{
Assert(childScope == scope->GetEnclosingScope());
}
}
this->SetCurrentChildScope(scope);
return;
}
//
// Save scope info for an outer func which has deferred child.
//
void ScopeInfo::SaveScopeInfo(ByteCodeGenerator* byteCodeGenerator, FuncInfo* parentFunc, FuncInfo* func)
{
ParseableFunctionInfo* funcBody = func->byteCodeFunction;
Assert((!func->IsGlobalFunction() || byteCodeGenerator->GetFlags() & fscrEvalCode) &&
(func->HasDeferredChild() || (funcBody->IsReparsed())));
// If we are reparsing a deferred function, we already have correct "parent" info in
// funcBody->scopeInfo. parentFunc is the knopProg shell and should not be used in this
// case. We should use existing parent if available.
FunctionBody * parent = funcBody->GetScopeInfo() ?
funcBody->GetScopeInfo()->GetParent() :
parentFunc ? parentFunc->byteCodeFunction->GetFunctionBody() : nullptr;
ScopeInfo* funcExprScopeInfo = nullptr;
Scope* funcExprScope = func->GetFuncExprScope();
if (funcExprScope && funcExprScope->GetMustInstantiate())
{
funcExprScopeInfo = FromScope(byteCodeGenerator, parent, funcExprScope, funcBody->GetScriptContext());
}
Scope* bodyScope = func->IsGlobalFunction() ? func->GetGlobalEvalBlockScope() : func->GetBodyScope();
ScopeInfo* paramScopeInfo = nullptr;
Scope* paramScope = func->GetParamScope();
if (paramScope && !paramScope->GetCanMergeWithBodyScope())
{
paramScopeInfo = FromScope(byteCodeGenerator, parent, paramScope, funcBody->GetScriptContext());
}
ScopeInfo* scopeInfo = FromScope(byteCodeGenerator, parent, bodyScope, funcBody->GetScriptContext());
scopeInfo->SetFuncExprScopeInfo(funcExprScopeInfo);
scopeInfo->SetParamScopeInfo(paramScopeInfo);
funcBody->SetScopeInfo(scopeInfo);
}