source: src/CodeTools/TrackLoc.cc @ 38ef0de

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// TrackLoc.cc --
//
// Author           : Andrew Beach
// Created On       : Tues May 2 15:46:00 2017
// Last Modified By : Andrew Beach
// Last Modified On : Wed May 3 14:43:00 2017
// Update Count     : 0
//

#include "TrackLoc.h"

#include <cstdlib>                   // for exit, EXIT_FAILURE
#include <iostream>                  // for operator<<, ostream, basic_ostream
#include <stack>                     // for stack
#include <string>                    // for operator<<, string
#include <typeindex>                 // for type_index

#include "Common/PassVisitor.h"      // for PassVisitor
#include "Common/utility.h"          // for CodeLocation
#include "SynTree/BaseSyntaxNode.h"  // for BaseSyntaxNode

class Declaration;

namespace CodeTools {

        std::ostream & operator<<(std::ostream & out, CodeLocation const & loc) {
                return out << loc.filename << '[' << loc.linenumber << ']';
        }

        class LocationPrinter {
                size_t printLevel;

                CodeLocation *lastNode;

                std::stack< CodeLocation * > parents;
        public:
                LocationPrinter(size_t printLevel) :
                        printLevel(printLevel), lastNode(nullptr)
                {}

                void print( const std::string& name, BaseSyntaxNode *node) {
                        for (size_t i = 0 ; i < parents.size() ; ++i) {
                                std::cout << "    ";
                        }
                        if (2 <= printLevel) {
                                std::cout << name << '@';
                        }
                        std::cout << node->location << std::endl;
                }

                void atNode( BaseSyntaxNode *node ) {
                        std::string name = std::type_index(typeid(*node)).name();
                        if ( node->location.isUnset() ) {
                                if ( !parents.empty() ) {
                                        node->location = *parents.top();
                                }
                                else if (nullptr != lastNode) {
                                        node->location = *lastNode;
                                }
                                else {
                                        std::cerr << "Top level node has no CodeLocation " << name << std::endl;
                                        exit(EXIT_FAILURE);
                                }
                        }

                        if (0 < printLevel) {
                                print( name, node );
                        }
                        lastNode = &node->location;
                }

                void previsit(BaseSyntaxNode * node) {
                        atNode(node);
                        parents.push( &node->location );
                }

                void postvisit( __attribute__((unused)) BaseSyntaxNode * node ) {
                        parents.pop();
                }

        }; // LocationPrinter

        void fillLocations( std::list< Declaration * > & translationUnit, size_t printLevel) {
                PassVisitor<LocationPrinter> printer(printLevel);
                acceptAll( translationUnit, printer );
        }

} // namespace CodeTools

// Local Variables: //
// tab-width: 4 //
// mode: c++ //
// compile-command: "make install" //
// End: //