| 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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