File: Synopsis/SymbolLookup/Display.hh
 1//
 2// Copyright (C) 2005 Stefan Seefeld
 3// All rights reserved.
 4// Licensed to the public under the terms of the GNU LGPL (>= 2),
 5// see the file COPYING for details.
 6//
 7#ifndef Synopsis_SymbolLookup_Display_hh_
 8#define Synopsis_SymbolLookup_Display_hh_
 9
10#include <Synopsis/SymbolLookup.hh>
11
12namespace Synopsis
13{
14namespace SymbolLookup
15{
16
17class SymbolDisplay : private SymbolVisitor
18{
19public:
20  SymbolDisplay(std::ostream &os, size_t indent)
21    : my_os(os), my_indent(indent, ' ') {}
22  void display(PTree::Encoding const &, SymbolLookup::Symbol const *);
23private:
24  std::ostream &prefix(std::string const &type)
25  { return my_os << my_indent << type;}
26  virtual void visit(SymbolLookup::Symbol const *);
27  virtual void visit(SymbolLookup::VariableName const *);
28  virtual void visit(SymbolLookup::ConstName const *);
29  virtual void visit(SymbolLookup::TypeName const *);
30  virtual void visit(SymbolLookup::TypedefName const *);
31  virtual void visit(SymbolLookup::ClassName const *);
32  virtual void visit(SymbolLookup::EnumName const *);
33  virtual void visit(SymbolLookup::ClassTemplateName const *);
34  virtual void visit(SymbolLookup::FunctionName const *);
35  virtual void visit(SymbolLookup::FunctionTemplateName const *);
36  virtual void visit(SymbolLookup::NamespaceName const *);
37
38  std::ostream &my_os;
39  std::string   my_indent;
40  std::string   my_name;
41};
42
43//. The ScopeDisplay class provides an annotated view of the symbol table,
44//. for debugging purposes.
45class ScopeDisplay : private SymbolLookup::ScopeVisitor
46{
47public:
48  ScopeDisplay(std::ostream &os) : my_os(os), my_indent(0) {}
49  virtual ~ScopeDisplay() {}
50  void display(SymbolLookup::Scope const *s) 
51  { const_cast<SymbolLookup::Scope *>(s)->accept(this);}
52private:
53  virtual void visit(SymbolLookup::TemplateParameterScope *);
54  virtual void visit(SymbolLookup::LocalScope *);
55  virtual void visit(SymbolLookup::PrototypeScope *);
56  virtual void visit(SymbolLookup::FunctionScope *);
57  virtual void visit(SymbolLookup::Class *);
58  virtual void visit(SymbolLookup::Namespace *);
59
60  void dump(SymbolLookup::Scope const *);
61  std::ostream &indent();
62
63  std::ostream &my_os;
64  size_t        my_indent;
65};
66
67inline void display(SymbolLookup::Scope const *s, std::ostream &os)
68{
69  ScopeDisplay sd(os);
70  sd.display(s);
71}
72
73}
74}
75
76#endif