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Initial import of svn+ssh:://svn.icir.org/bro/trunk/bro as of r7088

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Robin Sommer 2010-09-27 20:42:30 -07:00
commit 61757ac78b
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src/Scope.h Normal file
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// $Id: Scope.h 6219 2008-10-01 05:39:07Z vern $
//
// See the file "COPYING" in the main distribution directory for copyright.
#ifndef scope_h
#define scope_h
#include <string>
#include "Dict.h"
#include "Obj.h"
#include "BroList.h"
#include "TraverseTypes.h"
class ID;
class BroType;
class ListVal;
declare(PDict,ID);
class Scope : public BroObj {
public:
Scope(ID* id);
~Scope();
ID* Lookup(const char* name) const { return local->Lookup(name); }
void Insert(const char* name, ID* id) { local->Insert(name, id); }
ID* Remove(const char* name)
{
HashKey key(name);
return (ID*) local->Remove(&key);
}
ID* ScopeID() const { return scope_id; }
BroType* ReturnType() const { return return_type; }
int Length() const { return local->Length(); }
PDict(ID)* Vars() const { return local; }
ID* GenerateTemporary(const char* name);
PDict(ID)* GetIDs() const { return local; }
// Returns the list of variables needing initialization, and
// removes it from this Scope.
id_list* GetInits();
// Adds a variable to the list.
void AddInit(ID* id) { inits->append(id); }
void Describe(ODesc* d) const;
TraversalCode Traverse(TraversalCallback* cb) const;
protected:
ID* scope_id;
BroType* return_type;
PDict(ID)* local;
id_list* inits;
};
extern const char* GLOBAL_MODULE_NAME;
extern string extract_module_name(const char* name);
extern string normalized_module_name(const char* module_name); // w/o ::
// Concatenates module_name::var_name unless var_name is already fully
// qualified, in which case it is returned unmodified.
extern string make_full_var_name(const char* module_name, const char* var_name);
extern bool in_debug;
// If no_global is true, don't search in the default "global" namespace.
extern ID* lookup_ID(const char* name, const char* module,
bool no_global = false);
extern ID* install_ID(const char* name, const char* module_name,
bool is_global, bool is_export);
extern void push_scope(ID* id);
extern void push_existing_scope(Scope* scope);
// Returns the one popped off; it's not deleted.
extern Scope* pop_scope();
extern Scope* current_scope();
extern Scope* global_scope();
// Current module (identified by its name).
extern string current_module;
#endif