/usr/include/Synopsis/SymbolLookup/Walker.hh is in libsynopsis0.12-dev 0.12-8build2.
This file is owned by root:root, with mode 0o644.
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// Copyright (C) 2004 Stefan Seefeld
// All rights reserved.
// Licensed to the public under the terms of the GNU LGPL (>= 2),
// see the file COPYING for details.
//
#ifndef Synopsis_SymbolLookup_Walker_hh_
#define Synopsis_SymbolLookup_Walker_hh_
#include <Synopsis/PTree.hh>
#include <Synopsis/SymbolLookup/Scope.hh>
#include <stack>
namespace Synopsis
{
namespace SymbolLookup
{
//. This Walker adjusts the symbol lookup table while the parse tree
//. is being traversed such that symbols in the parse tree can be
//. looked up correctly in the right context.
class Walker : public PTree::Visitor
{
public:
Walker(Scope *);
virtual ~Walker();
using PTree::Visitor::visit;
virtual void visit(PTree::List *);
virtual void visit(PTree::Block *);
virtual void visit(PTree::TemplateDecl *);
virtual void visit(PTree::NamespaceSpec *);
virtual void visit(PTree::FunctionDefinition *);
virtual void visit(PTree::ClassSpec *);
virtual void visit(PTree::DotMemberExpr *);
virtual void visit(PTree::ArrowMemberExpr *);
//. Traverse the body of a namespace definition.
void traverse_body(PTree::NamespaceSpec *);
//. Traverse the body of the class definition.
void traverse_body(PTree::ClassSpec *);
//. Traverse the template parameter list of a template declaration.
void traverse_parameters(PTree::TemplateDecl *);
//. Traverse the body of the function definition.
void traverse_body(PTree::FunctionDefinition *);
protected:
Scope const *current_scope() { return my_scopes.top();}
void leave_scope();
private:
typedef std::stack<Scope *> Scopes;
//. the virtual visit(Block) version above does scoping,
//. which isn't what we want if traversing a function (FIXME: or is it ?)
//. so the following factors out the common code.
void visit_block(PTree::Block *);
//. The symbol lookup table.
Scopes my_scopes;
};
}
}
#endif
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