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Move various elements into ID.h and zeek::id namespace

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* A handful of generic/useful/common global type pointers that used
  to be in NetVar.h

* Lookup functions that used to be Var.h
This commit is contained in:
Jon Siwek 2020-05-12 18:08:52 -07:00
parent 9210d443d3
commit a5762c12cc
84 changed files with 578 additions and 568 deletions
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86
src/ID.h
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@ -16,6 +16,10 @@ class Val;
class Expr;
class Func;
class BroType;
class RecordType;
class TableType;
class VectorType;
class EnumType;
class Attributes;
typedef enum { INIT_NONE, INIT_FULL, INIT_EXTRA, INIT_REMOVE, } init_class;
@ -152,3 +156,85 @@ protected:
std::multimap<int, IntrusivePtr<Func>> option_handlers;
};
namespace zeek { namespace id {
/**
* Lookup an ID in the global module and return it, if one exists;
* @param name The identifier name to lookup.
* @return The identifier, which may reference a nil object if no such
* name exists.
*/
IntrusivePtr<ID> lookup(const char* name);
/**
* Lookup an ID by its name and return its type. A fatal occurs if the ID
* does not exist.
* @param name The identifier name to lookup
* @return The type of the identifier.
*/
const IntrusivePtr<BroType>& lookup_type(const char* name);
/**
* Lookup an ID by its name and return its type (as cast to @c T).
* A fatal occurs if the ID does not exist.
* @param name The identifier name to lookup
* @return The type of the identifier.
*/
template<class T>
IntrusivePtr<T> lookup_type(const char* name)
{ return cast_intrusive<T>(lookup_type(name)); }
/**
* Lookup an ID by its name and return its value. A fatal occurs if the ID
* does not exist.
* @param name The identifier name to lookup
* @return The current value of the identifier
*/
const IntrusivePtr<Val>& lookup_val(const char* name);
/**
* Lookup an ID by its name and return its value (as cast to @c T).
* A fatal occurs if the ID does not exist.
* @param name The identifier name to lookup
* @return The current value of the identifier.
*/
template<class T>
IntrusivePtr<T> lookup_val(const char* name)
{ return cast_intrusive<T>(lookup_val(name)); }
/**
* Lookup an ID by its name and return its value. A fatal occurs if the ID
* does not exist or if it is not "const".
* @param name The identifier name to lookup
* @return The current value of the identifier
*/
const IntrusivePtr<Val>& lookup_const(const char* name);
/**
* Lookup an ID by its name and return the function it references.
* A fatal occurs if the ID does not exist or if it is not a function.
* @param name The identifier name to lookup
* @return The current function value the identifier references.
*/
IntrusivePtr<Func> lookup_func(const char* name);
extern IntrusivePtr<RecordType> conn_id;
extern IntrusivePtr<RecordType> endpoint;
extern IntrusivePtr<RecordType> connection;
extern IntrusivePtr<RecordType> fa_file;
extern IntrusivePtr<RecordType> fa_metadata;
extern IntrusivePtr<EnumType> transport_proto;
extern IntrusivePtr<TableType> string_set;
extern IntrusivePtr<TableType> string_array;
extern IntrusivePtr<TableType> count_set;
extern IntrusivePtr<VectorType> string_vec;
extern IntrusivePtr<VectorType> index_vec;
namespace detail {
void init();
} // namespace zeek::id::detail
}} // namespace zeek::id