| 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 | // LabelGenerator.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 : Andrew Beach
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| 12 | // Last Modified On : Mon Nov 8 10:18:00 2021
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| 13 | // Update Count : 17
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| 14 | //
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| 15 |
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| 16 | #include <iostream> // for operator<<, basic_ostream
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| 17 | #include <sstream> // for ostringstream
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| 18 | #include <list> // for list
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| 19 |
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| 20 | #include "LabelGenerator.h"
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| 21 |
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| 22 | #include "AST/Attribute.hpp"
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| 23 | #include "AST/Label.hpp"
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| 24 | #include "AST/Stmt.hpp"
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| 25 | #include "SynTree/Attribute.h" // for Attribute
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| 26 | #include "SynTree/Label.h" // for Label, operator<<
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| 27 | #include "SynTree/Statement.h" // for Statement
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| 28 |
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| 29 | namespace ControlStruct {
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| 30 |
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| 31 | int LabelGenerator::current = 0;
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| 32 | LabelGenerator * LabelGenerator::labelGenerator = nullptr;
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| 33 |
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| 34 | LabelGenerator * LabelGenerator::getGenerator() {
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| 35 | if ( LabelGenerator::labelGenerator == 0 )
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| 36 | LabelGenerator::labelGenerator = new LabelGenerator();
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| 37 | return labelGenerator;
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| 38 | }
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| 39 |
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| 40 | Label LabelGenerator::newLabel( std::string suffix, Statement * stmt ) {
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| 41 | std::ostringstream os;
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| 42 | os << "__L" << current++ << "__" << suffix;
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| 43 | if ( stmt && ! stmt->get_labels().empty() ) {
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| 44 | os << "_" << stmt->get_labels().front() << "__";
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| 45 | } // if
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| 46 | std::string ret = os.str();
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| 47 | Label l( ret );
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| 48 | l.get_attributes().push_back( new Attribute("unused") );
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| 49 | return l;
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| 50 | }
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| 51 |
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| 52 | ast::Label LabelGenerator::newLabel(
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| 53 | const std::string & suffix, const ast::Stmt * stmt ) {
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| 54 | assert( stmt );
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| 55 |
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| 56 | std::ostringstream os;
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| 57 | os << "__L" << current++ << "__" << suffix;
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| 58 | if ( stmt && !stmt->labels.empty() ) {
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| 59 | os << "_" << stmt->labels.front() << "__";
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| 60 | }
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| 61 | ast::Label ret_label( stmt->location, os.str() );
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| 62 | ret_label.attributes.push_back( new ast::Attribute( "unused" ) );
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| 63 | return ret_label;
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| 64 | }
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| 65 |
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| 66 | } // namespace ControlStruct
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| 67 |
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| 68 | // Local Variables: //
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| 69 | // tab-width: 4 //
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| 70 | // mode: c++ //
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| 71 | // compile-command: "make install" //
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| 72 | // End: //
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