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use dynamic rather than static initialization of globals for scripts compiled to C++

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This commit is contained in:
Vern Paxson 2022-09-29 15:11:05 -07:00
parent 6ad28b37e6
commit 0687959f1c
5 changed files with 59 additions and 14 deletions
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44
src/script_opt/CPP/Inits.cc
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@ -188,6 +188,50 @@ void CPPCompile::InitializeConsts()
EndBlock(true);
}
void CPPCompile::InitializeGlobals()
{
Emit("static void init_globals__CPP()");
StartBlock();
Emit("Frame* f__CPP = nullptr;");
NL();
for ( auto ginit : IDOptInfo::GetGlobalInitExprs() )
{
auto g = ginit.Id();
if ( pfs.Globals().count(g) == 0 )
continue;
auto ic = ginit.IC();
auto& init = ginit.Init();
if ( ic == INIT_NONE )
{
IDPtr gid = {NewRef{}, const_cast<ID*>(g)};
auto gn = make_intrusive<RefExpr>(make_intrusive<NameExpr>(gid));
auto ae = make_intrusive<AssignExpr>(gn, init, true);
Emit(GenExpr(ae.get(), GEN_NATIVE, true) + ";");
}
else
{
// This branch occurs for += or -= initializations that
// use associated functions.
string ics;
if ( ic == INIT_EXTRA )
ics = "INIT_EXTRA";
else if ( ic == INIT_REMOVE )
ics = "INIT_REMOVE";
else
reporter->FatalError("bad initialization class in CPPCompile::InitializeGlobals()");
Emit("%s->SetValue(%s, %s);", globals[g->Name()], GenExpr(init, GEN_NATIVE, true), ics);
}
}
EndBlock();
}
void CPPCompile::GenInitHook()
{
NL();