| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| 7 | // NameMatcher.cc --
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| 8 | //
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| 9 | // Author : Rodolfo G. Esteves
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| 10 | // Created On : Mon May 18 07:44:20 2015
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| 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Mon May 18 15:00:06 2015
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| 13 | // Update Count : 1
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| 14 | //
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| 15 |
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| 16 | #include "NameMatcher.h"
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| 17 | #include "NameMatcher.h"
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| 18 |
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| 19 | namespace Tuples {
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| 20 | NameMatcher::NameMatcher( std::list< DeclarationWithType* > &formals ) : current( 0 ) {
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| 21 | int cnt = 0;
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| 22 | for ( std::list< DeclarationWithType *>::const_iterator f = formals.begin(); f != formals.end(); ++f ) {
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| 23 | table.insert( std::pair< std::string, int >( (*f)->get_name(), cnt++ ) );
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| 24 | index.push_back(*f);
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| 25 | } // for
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| 26 | exprs.reserve( index.size() );
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| 27 | }
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| 28 |
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| 29 | NameMatcher::~NameMatcher() {}
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| 30 |
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| 31 | void NameMatcher::match( ResolvExpr::AltList &alternatives ) throw (NoMatch) {
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| 32 | if ( alternatives.size() != index.size() )
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| 33 | throw NoMatch("Length of actuals and formals differ");
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| 34 |
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| 35 | for ( ResolvExpr::AltList::const_iterator a = alternatives.begin(); a != alternatives.end(); ++a ) {
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| 36 | if ( a->expr->get_argName() != 0 )
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| 37 | if ( NameExpr *name = dynamic_cast<NameExpr *>( a->expr->get_argName() ) ) {
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| 38 | if ( table.find( name->get_name() ) != table.end() ) {
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| 39 | std::cerr << "Rearranging to " << table[ name->get_name() ] << "position in the list." << std::endl;
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| 40 | exprs[ table[ name->get_name() ] ] = &(*a);
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| 41 | } else
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| 42 | throw NoMatch( name->get_name() + "no such designation" );
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| 43 | } /*else if ( TupleExpr *tup = dynamic_cast<TupleExpr *>( a->expr->get_argName() ) )
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| 44 | std::cerr << "Designated expression" << std::endl; */
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| 45 | exprs.push_back( &(*a) );
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| 46 | } // for
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| 47 |
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| 48 | /*std::cerr << "In matcher/match: ";
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| 49 | if ( exprs.size() != index.size() )
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| 50 | std::cerr << "exprs and index differ in length" << std::endl;
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| 51 | else
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| 52 | std::cerr << "is all good." << std::endl;
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| 53 | */
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| 54 | }
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| 55 |
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| 56 | ResolvExpr::Alternative &NameMatcher::get_next() throw (NoMoreElements) {
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| 57 | if ( current++ >= (int)(index.size()) )
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| 58 | throw NoMoreElements();
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| 59 | return *(new ResolvExpr::Alternative());
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| 60 | }
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| 61 | } // namespace Tuples
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| 62 |
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| 63 | // Local Variables: //
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| 64 | // tab-width: 4 //
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| 65 | // mode: c++ //
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| 66 | // compile-command: "make install" //
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| 67 | // End: //
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