void emit_class(EmitUnitState& state,
UnitEmitter& ue,
const php::Class& cls) {
FTRACE(2, " class: {}\n", cls.name->data());
auto const pce = ue.newPreClassEmitter(
cls.name,
cls.hoistability
);
pce->init(
std::get<0>(cls.srcInfo.loc),
std::get<1>(cls.srcInfo.loc),
ue.bcPos(),
cls.attrs,
cls.parentName ? cls.parentName : s_empty.get(),
cls.srcInfo.docComment
);
pce->setUserAttributes(cls.userAttributes);
for (auto& x : cls.interfaceNames) pce->addInterface(x);
for (auto& x : cls.usedTraitNames) pce->addUsedTrait(x);
for (auto& x : cls.requirements) pce->addClassRequirement(x);
for (auto& x : cls.traitPrecRules) pce->addTraitPrecRule(x);
for (auto& x : cls.traitAliasRules) pce->addTraitAliasRule(x);
pce->setNumDeclMethods(cls.numDeclMethods);
pce->setIfaceVtableSlot(state.index.lookup_iface_vtable_slot(&cls));
for (auto& m : cls.methods) {
FTRACE(2, " method: {}\n", m->name->data());
auto const fe = ue.newMethodEmitter(m->name, pce);
emit_init_func(*fe, *m);
pce->addMethod(fe);
auto const info = emit_bytecode(state, ue, *m);
emit_finish_func(*m, *fe, info);
}
auto const privateProps = state.index.lookup_private_props(&cls);
auto const privateStatics = state.index.lookup_private_statics(&cls);
for (auto& prop : cls.properties) {
auto const makeRat = [&] (const Type& ty) -> RepoAuthType {
if (ty.couldBe(TCls)) {
return RepoAuthType{};
}
auto const rat = make_repo_type(*state.index.array_table_builder(), ty);
merge_repo_auth_type(ue, rat);
return rat;
};
auto const privPropTy = [&] (const PropState& ps) -> Type {
/*
* Skip closures, because the types of their used vars can be
* communicated via assert opcodes right now. At the time of this
* writing there was nothing to gain by including RAT's for the
* properties, since closure properties are only used internally by the
* runtime, not directly via opcodes like CGetM.
*/
if (is_closure(cls)) return Type{};
auto it = ps.find(prop.name);
if (it == end(ps)) return Type{};
return it->second;
};
Type propTy;
auto const attrs = prop.attrs;
if (attrs & AttrPrivate) {
propTy = privPropTy((attrs & AttrStatic) ? privateStatics : privateProps);
} else if ((attrs & AttrPublic) && (attrs & AttrStatic)) {
propTy = state.index.lookup_public_static(&cls, prop.name);
}
pce->addProperty(
prop.name,
prop.attrs,
prop.typeConstraint,
prop.docComment,
&prop.val,
makeRat(propTy)
);
}
for (auto& cconst : cls.constants) {
if (!cconst.val.hasValue()) {
pce->addAbstractConstant(
cconst.name,
cconst.typeConstraint,
cconst.isTypeconst
);
} else {
pce->addConstant(
cconst.name,
cconst.typeConstraint,
&cconst.val.value(),
cconst.phpCode,
cconst.isTypeconst
);
}
}
pce->setEnumBaseTy(cls.enumBaseTy);
}
void emit_class(EmitUnitState& state,
UnitEmitter& ue,
const php::Class& cls) {
FTRACE(2, " class: {}\n", cls.name->data());
auto const pce = ue.newPreClassEmitter(
cls.name,
cls.hoistability
);
pce->init(
std::get<0>(cls.srcInfo.loc),
std::get<1>(cls.srcInfo.loc),
ue.bcPos(),
cls.attrs,
cls.parentName ? cls.parentName : s_empty.get(),
cls.srcInfo.docComment
);
pce->setUserAttributes(cls.userAttributes);
for (auto& x : cls.interfaceNames) pce->addInterface(x);
for (auto& x : cls.usedTraitNames) pce->addUsedTrait(x);
for (auto& x : cls.requirements) pce->addClassRequirement(x);
for (auto& x : cls.traitPrecRules) pce->addTraitPrecRule(x);
for (auto& x : cls.traitAliasRules) pce->addTraitAliasRule(x);
pce->setNumDeclMethods(cls.numDeclMethods);
pce->setIfaceVtableSlot(state.index.lookup_iface_vtable_slot(&cls));
for (auto& m : cls.methods) {
FTRACE(2, " method: {}\n", m->name->data());
auto const fe = ue.newMethodEmitter(m->name, pce);
emit_init_func(*fe, *m);
pce->addMethod(fe);
auto const info = emit_bytecode(state, ue, *m);
emit_finish_func(*m, *fe, info);
}
std::vector<Type> useVars;
if (is_closure(cls)) {
auto f = find_method(&cls, s_invoke.get());
useVars = state.index.lookup_closure_use_vars(f);
}
auto uvIt = useVars.begin();
auto const privateProps = state.index.lookup_private_props(&cls);
auto const privateStatics = state.index.lookup_private_statics(&cls);
for (auto& prop : cls.properties) {
auto const makeRat = [&] (const Type& ty) -> RepoAuthType {
if (ty.couldBe(TCls)) {
return RepoAuthType{};
}
auto const rat = make_repo_type(*state.index.array_table_builder(), ty);
merge_repo_auth_type(ue, rat);
return rat;
};
auto const privPropTy = [&] (const PropState& ps) -> Type {
if (is_closure(cls)) {
// For closures use variables will be the first properties of the
// closure object, in declaration order
if (uvIt != useVars.end()) return *uvIt++;
return Type{};
}
auto it = ps.find(prop.name);
if (it == end(ps)) return Type{};
return it->second;
};
Type propTy;
auto const attrs = prop.attrs;
if (attrs & AttrPrivate) {
propTy = privPropTy((attrs & AttrStatic) ? privateStatics : privateProps);
} else if ((attrs & AttrPublic) && (attrs & AttrStatic)) {
propTy = state.index.lookup_public_static(&cls, prop.name);
}
pce->addProperty(
prop.name,
prop.attrs,
prop.typeConstraint,
prop.docComment,
&prop.val,
makeRat(propTy)
);
}
assert(uvIt == useVars.end());
for (auto& cconst : cls.constants) {
if (!cconst.val.hasValue()) {
pce->addAbstractConstant(
cconst.name,
cconst.typeConstraint,
cconst.isTypeconst
);
} else {
pce->addConstant(
cconst.name,
cconst.typeConstraint,
&cconst.val.value(),
cconst.phpCode,
cconst.isTypeconst
);
}
}
pce->setEnumBaseTy(cls.enumBaseTy);
}
