zeek/src/script_opt/CPP/Attrs.cc

117 lines
3.6 KiB
C++

// See the file "COPYING" in the main distribution directory for copyright.
#include "zeek/script_opt/CPP/Compile.h"
namespace zeek::detail {
using namespace std;
shared_ptr<CPP_InitInfo> CPPCompile::RegisterAttributes(const AttributesPtr& attrs) {
if ( ! attrs )
return nullptr;
auto a = attrs.get();
auto pa = processed_attrs.find(a);
if ( pa != processed_attrs.end() )
return pa->second;
attributes.AddKey(attrs, pfs->HashAttrs(attrs));
// The cast is just so we can make an IntrusivePtr.
auto a_rep = const_cast<Attributes*>(attributes.GetRep(attrs));
if ( a_rep != a ) {
AttributesPtr a_rep_ptr = {NewRef{}, a_rep};
processed_attrs[a] = RegisterAttributes(a_rep_ptr);
return processed_attrs[a];
}
for ( const auto& a : attrs->GetAttrs() )
(void)RegisterAttr(a);
shared_ptr<CPP_InitInfo> gi = make_shared<AttrsInfo>(this, attrs);
attrs_info->AddInstance(gi);
processed_attrs[a] = gi;
return gi;
}
shared_ptr<CPP_InitInfo> CPPCompile::RegisterAttr(const AttrPtr& attr) {
auto a = attr.get();
auto pa = processed_attr.find(a);
if ( pa != processed_attr.end() )
return pa->second;
const auto& e = a->GetExpr();
if ( e && ! IsSimpleInitExpr(e) ) {
auto h = p_hash(e);
// Include the type in the hash, otherwise expressions
// like "vector()" are ambiguous.
h = merge_p_hashes(h, p_hash(e->GetType()));
init_exprs.AddKey(e, h);
}
auto gi = make_shared<AttrInfo>(this, attr);
attr_info->AddInstance(gi);
processed_attr[a] = gi;
return gi;
}
void CPPCompile::BuildAttrs(const AttributesPtr& attrs, string& attr_tags, string& attr_vals) {
if ( attrs ) {
for ( const auto& a : attrs->GetAttrs() ) {
if ( attr_tags.size() > 0 ) {
attr_tags += ", ";
attr_vals += ", ";
}
attr_tags += Fmt(int(a->Tag()));
const auto& e = a->GetExpr();
if ( e )
attr_vals += GenExpr(e, GEN_VAL_PTR, false);
else
attr_vals += "nullptr";
}
}
attr_tags = string("{") + attr_tags + "}";
attr_vals = string("{") + attr_vals + "}";
}
const char* CPPCompile::AttrName(AttrTag t) {
switch ( t ) {
case ATTR_OPTIONAL: return "ATTR_OPTIONAL";
case ATTR_DEFAULT: return "ATTR_DEFAULT";
case ATTR_REDEF: return "ATTR_REDEF";
case ATTR_ADD_FUNC: return "ATTR_ADD_FUNC";
case ATTR_DEL_FUNC: return "ATTR_DEL_FUNC";
case ATTR_EXPIRE_FUNC: return "ATTR_EXPIRE_FUNC";
case ATTR_EXPIRE_READ: return "ATTR_EXPIRE_READ";
case ATTR_EXPIRE_WRITE: return "ATTR_EXPIRE_WRITE";
case ATTR_EXPIRE_CREATE: return "ATTR_EXPIRE_CREATE";
case ATTR_RAW_OUTPUT: return "ATTR_RAW_OUTPUT";
case ATTR_PRIORITY: return "ATTR_PRIORITY";
case ATTR_GROUP: return "ATTR_GROUP";
case ATTR_LOG: return "ATTR_LOG";
case ATTR_ERROR_HANDLER: return "ATTR_ERROR_HANDLER";
case ATTR_TYPE_COLUMN: return "ATTR_TYPE_COLUMN";
case ATTR_TRACKED: return "ATTR_TRACKED";
case ATTR_ON_CHANGE: return "ATTR_ON_CHANGE";
case ATTR_BROKER_STORE: return "ATTR_BROKER_STORE";
case ATTR_BROKER_STORE_ALLOW_COMPLEX: return "ATTR_BROKER_STORE_ALLOW_COMPLEX";
case ATTR_BACKEND: return "ATTR_BACKEND";
case ATTR_DEPRECATED: return "ATTR_DEPRECATED";
case ATTR_IS_ASSIGNED: return "ATTR_IS_ASSIGNED";
case ATTR_IS_USED: return "ATTR_IS_USED";
default: return "<busted>";
}
}
} // namespace zeek::detail