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#ifndef guard_opencxx_Environment_h
#define guard_opencxx_Environment_h
//@beginlicenses@
//@license{chiba-tokyo}{}@
//@license{contributors}{}@
//
// Copyright (C) 1997-2001 Shigeru Chiba, Tokyo Institute of Technology.
//
// Permission to use, copy, distribute and modify this software and
// its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appears in all copies and that
// both that copyright notice and this permission notice appear in
// supporting documentation.
//
// Shigeru Chiba makes no representations about the suitability of this
// software for any purpose. It is provided "as is" without express or
// implied warranty.
//
// -----------------------------------------------------------------
//
// Permission to use, copy, distribute and modify this software and its
// documentation for any purpose is hereby granted without fee, provided that
// the above copyright notice appears in all copies and that both that copyright
// notice and this permission notice appear in supporting documentation.
//
// Other Contributors (see file AUTHORS) make(s) no representations about the suitability of this
// software for any purpose. It is provided "as is" without express or implied
// warranty.
//
// Copyright (C) Other Contributors (see file AUTHORS)
//
//@endlicenses@
#include <opencxx/parser/GC.h>
#include <opencxx/parser/Ptree.h>
#include <opencxx/parser/PtreeArray.h>
namespace Opencxx
{
class Walker;
class Environment;
class Ptree;
class Bind;
class HashTable;
class Class;
class TypeInfo;
class Environment : public LightObject {
public:
Environment(Walker* w);
Environment(Environment* e);
Environment(Environment* e, Walker* w);
bool IsEmpty();
Environment* GetOuterEnvironment() { return next; }
Environment* GetBottom();
void AddBaseclassEnv(Environment* e) { baseclasses_or_using.Append(e); }
Walker* GetWalker() { return walker; }
void SetWalker(Walker* w) { walker = w; }
Class* LookupClassMetaobject(Ptree* name);
bool LookupType(const char* name, int len, Bind*& t);
bool Lookup(Ptree* name, bool& is_type_name, TypeInfo& t);
bool Lookup(Ptree* name, TypeInfo& t);
bool Lookup(Ptree*, Bind*&);
bool LookupTop(Ptree*, Bind*&);
bool LookupTop(const char* name, int len, Bind*& t);
bool LookupAll(const char* name, int len, Bind*& t);
bool RecordVariable(char* name, Class* c);
bool RecordPointerVariable(char* name, Class* c);
int AddEntry(char*, int, Bind*);
int AddDupEntry(char*, int, Bind*);
void RecordNamespace(Environment*, Ptree*);
Environment* LookupNamespace(const char* name, int len);
Environment* LookupNamespace0(Ptree*);
void RecordUsing(Ptree* name);
void RecordUsingNamespace(Ptree* name);
void RecordTypedefName(Ptree*);
void RecordEnumName(Ptree*);
void RecordClassName(char*, Class*);
void RecordTemplateClass(Ptree*, Class*);
Environment* RecordTemplateFunction(Ptree*, Ptree*);
Environment* RecordDeclarator(Ptree*);
Environment* DontRecordDeclarator(Ptree*);
void RecordMetaclassName(Ptree*);
Ptree* LookupMetaclass(Ptree*);
static bool RecordClasskeyword(char*, char*);
static Ptree* LookupClasskeyword(Ptree*);
void SetMetaobject(Class* m) { metaobject = m; }
Class* IsClassEnvironment() { return metaobject; }
Ptree* IsNamespace() { return namespace_name; }
Class* LookupThis();
Environment* IsMember(Ptree*);
void Dump();
void Dump(int);
Ptree* GetLineNumber(Ptree*, int&);
private:
static bool SearchBaseOrUsing(Environment* this_env,
bool (Environment::*func)(const char*, int, Bind*&),
const char* name, int len, Bind*& t);
Environment* LookupNamespace0(const char*, int);
public:
class Array : public LightObject {
public:
Array(int = 2);
unsigned Number() { return num; }
Environment* Ref(unsigned index);
void Append(Environment*);
private:
unsigned num, size;
Environment** array;
};
private:
Environment* next;
HashTable* htable;
Class* metaobject;
Walker* walker;
PtreeArray metaclasses;
static PtreeArray* classkeywords;
Array baseclasses_or_using;
// baseclasses or using_namespaces
Array namespaces;
Ptree* namespace_name; // 0 unless this is a namespace
};
}
#endif /* ! guard_opencxx_Environment_h */
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