1 | /* |
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2 | * This file is part of the Cforall project |
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3 | * |
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4 | * $Id: FindOpenVars.cc,v 1.4 2005/08/29 20:14:16 rcbilson Exp $ |
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5 | * |
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6 | */ |
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7 | |
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8 | #include "FindOpenVars.h" |
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9 | #include "SynTree/Type.h" |
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10 | #include "SynTree/Visitor.h" |
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11 | |
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12 | |
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13 | namespace ResolvExpr { |
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14 | |
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15 | class FindOpenVars : public Visitor |
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16 | { |
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17 | public: |
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18 | FindOpenVars( OpenVarSet &openVars, OpenVarSet &closedVars, AssertionSet &needAssertions, AssertionSet &haveAssertions, bool firstIsOpen ); |
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19 | |
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20 | private: |
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21 | virtual void visit(PointerType *pointerType); |
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22 | virtual void visit(ArrayType *arrayType); |
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23 | virtual void visit(FunctionType *functionType); |
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24 | virtual void visit(TupleType *tupleType); |
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25 | |
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26 | void common_action( Type *type ); |
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27 | |
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28 | OpenVarSet &openVars, &closedVars; |
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29 | AssertionSet &needAssertions, &haveAssertions; |
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30 | bool nextIsOpen; |
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31 | }; |
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32 | |
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33 | void |
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34 | findOpenVars( Type *type, OpenVarSet &openVars, OpenVarSet &closedVars, AssertionSet &needAssertions, AssertionSet &haveAssertions, bool firstIsOpen ) |
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35 | { |
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36 | FindOpenVars finder( openVars, closedVars, needAssertions, haveAssertions, firstIsOpen ); |
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37 | type->accept( finder ); |
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38 | } |
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39 | |
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40 | FindOpenVars::FindOpenVars( OpenVarSet &openVars, OpenVarSet &closedVars, AssertionSet &needAssertions, AssertionSet &haveAssertions, bool firstIsOpen ) |
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41 | : openVars( openVars ), closedVars( closedVars ), needAssertions( needAssertions ), haveAssertions( haveAssertions ), nextIsOpen( firstIsOpen ) |
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42 | { |
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43 | } |
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44 | |
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45 | void |
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46 | FindOpenVars::common_action( Type *type ) |
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47 | { |
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48 | if( nextIsOpen ) { |
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49 | for( std::list< TypeDecl* >::const_iterator i = type->get_forall().begin(); i != type->get_forall().end(); ++i ) { |
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50 | openVars[ (*i)->get_name() ] = (*i)->get_kind(); |
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51 | for( std::list< DeclarationWithType* >::const_iterator assert = (*i)->get_assertions().begin(); assert != (*i)->get_assertions().end(); ++assert ) { |
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52 | needAssertions[ *assert ] = false; |
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53 | } |
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54 | /// cloneAll( (*i)->get_assertions(), needAssertions ); |
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55 | /// needAssertions.insert( needAssertions.end(), (*i)->get_assertions().begin(), (*i)->get_assertions().end() ); |
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56 | } |
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57 | } else { |
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58 | for( std::list< TypeDecl* >::const_iterator i = type->get_forall().begin(); i != type->get_forall().end(); ++i ) { |
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59 | closedVars[ (*i)->get_name() ] = (*i)->get_kind(); |
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60 | for( std::list< DeclarationWithType* >::const_iterator assert = (*i)->get_assertions().begin(); assert != (*i)->get_assertions().end(); ++assert ) { |
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61 | haveAssertions[ *assert ] = false; |
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62 | } |
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63 | /// cloneAll( (*i)->get_assertions(), haveAssertions ); |
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64 | /// haveAssertions.insert( haveAssertions.end(), (*i)->get_assertions().begin(), (*i)->get_assertions().end() ); |
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65 | } |
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66 | } |
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67 | /// std::cout << "type is "; |
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68 | /// type->print( std::cout ); |
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69 | /// std::cout << std::endl << "need is" << std::endl; |
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70 | /// printAssertionSet( needAssertions, std::cout ); |
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71 | /// std::cout << std::endl << "have is" << std::endl; |
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72 | /// printAssertionSet( haveAssertions, std::cout ); |
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73 | } |
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74 | |
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75 | void |
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76 | FindOpenVars::visit(PointerType *pointerType) |
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77 | { |
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78 | common_action( pointerType ); |
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79 | Visitor::visit( pointerType ); |
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80 | } |
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81 | |
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82 | void |
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83 | FindOpenVars::visit(ArrayType *arrayType) |
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84 | { |
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85 | common_action( arrayType ); |
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86 | Visitor::visit( arrayType ); |
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87 | } |
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88 | |
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89 | void |
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90 | FindOpenVars::visit(FunctionType *functionType) |
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91 | { |
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92 | common_action( functionType ); |
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93 | nextIsOpen = !nextIsOpen; |
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94 | Visitor::visit( functionType ); |
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95 | nextIsOpen = !nextIsOpen; |
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96 | } |
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97 | |
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98 | void |
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99 | FindOpenVars::visit(TupleType *tupleType) |
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100 | { |
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101 | common_action( tupleType ); |
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102 | Visitor::visit( tupleType ); |
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103 | } |
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104 | |
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105 | } // namespace ResolvExpr |
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