[51587aa] | 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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[7baed7d] | 7 | // CodeGenerator.h -- |
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[51587aa] | 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Mon May 18 07:44:20 2015 |
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[4040425] | 11 | // Last Modified By : Peter A. Buhr |
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[e04ef3a] | 12 | // Last Modified On : Thu Jun 9 13:15:58 2016 |
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| 13 | // Update Count : 29 |
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[51587aa] | 14 | // |
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| 15 | |
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[51b7345] | 16 | #ifndef CODEGENV_H |
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| 17 | #define CODEGENV_H |
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| 18 | |
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| 19 | #include <list> |
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| 20 | |
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[e8032b0] | 21 | #include "SynTree/Declaration.h" |
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[51b7345] | 22 | #include "SynTree/SynTree.h" |
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| 23 | #include "SynTree/Visitor.h" |
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[e8032b0] | 24 | |
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[51b7345] | 25 | #include "SymTab/Indexer.h" |
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| 26 | |
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| 27 | namespace CodeGen { |
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[6c4ff37] | 28 | class CodeGenerator : public Visitor { |
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[51587aa] | 29 | public: |
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| 30 | static int tabsize; |
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| 31 | |
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[6c4ff37] | 32 | CodeGenerator( std::ostream &os ); |
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| 33 | CodeGenerator( std::ostream &os, std::string, int indent = 0, bool infun = false ); |
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| 34 | CodeGenerator( std::ostream &os, char *, int indent = 0, bool infun = false ); |
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[51587aa] | 35 | |
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| 36 | //*** Declaration |
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| 37 | virtual void visit( StructDecl * ); |
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| 38 | virtual void visit( FunctionDecl * ); |
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| 39 | virtual void visit( ObjectDecl * ); |
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| 40 | virtual void visit( UnionDecl *aggregateDecl ); |
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| 41 | virtual void visit( EnumDecl *aggregateDecl ); |
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[4040425] | 42 | virtual void visit( TraitDecl *aggregateDecl ); |
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[51587aa] | 43 | virtual void visit( TypedefDecl *typeDecl ); |
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| 44 | virtual void visit( TypeDecl *typeDecl ); |
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| 45 | |
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| 46 | //*** Initializer |
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| 47 | virtual void visit( SingleInit * ); |
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| 48 | virtual void visit( ListInit * ); |
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| 49 | |
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| 50 | //*** Constant |
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| 51 | virtual void visit( Constant * ); |
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| 52 | |
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| 53 | //*** Expression |
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| 54 | virtual void visit( ApplicationExpr *applicationExpr ); |
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| 55 | virtual void visit( UntypedExpr *untypedExpr ); |
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| 56 | virtual void visit( NameExpr *nameExpr ); |
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| 57 | virtual void visit( AddressExpr *addressExpr ); |
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| 58 | virtual void visit( CastExpr *castExpr ); |
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| 59 | virtual void visit( UntypedMemberExpr *memberExpr ); |
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| 60 | virtual void visit( MemberExpr *memberExpr ); |
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| 61 | virtual void visit( VariableExpr *variableExpr ); |
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[7baed7d] | 62 | virtual void visit( ConstantExpr *constantExpr ); |
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[51587aa] | 63 | virtual void visit( SizeofExpr *sizeofExpr ); |
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[47534159] | 64 | virtual void visit( AlignofExpr *alignofExpr ); |
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[2a4b088] | 65 | virtual void visit( UntypedOffsetofExpr *offsetofExpr ); |
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[25a054f] | 66 | virtual void visit( OffsetofExpr *offsetofExpr ); |
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[afc1045] | 67 | virtual void visit( OffsetPackExpr *offsetPackExpr ); |
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[51587aa] | 68 | virtual void visit( LogicalExpr *logicalExpr ); |
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| 69 | virtual void visit( ConditionalExpr *conditionalExpr ); |
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| 70 | virtual void visit( CommaExpr *commaExpr ); |
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| 71 | virtual void visit( TupleExpr *tupleExpr ); |
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| 72 | virtual void visit( TypeExpr *typeExpr ); |
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[7f5566b] | 73 | virtual void visit( AsmExpr * ); |
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[51587aa] | 74 | |
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| 75 | //*** Statements |
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| 76 | virtual void visit( CompoundStmt * ); |
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| 77 | virtual void visit( ExprStmt * ); |
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[7f5566b] | 78 | virtual void visit( AsmStmt * ); |
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[51587aa] | 79 | virtual void visit( IfStmt * ); |
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| 80 | virtual void visit( SwitchStmt * ); |
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| 81 | virtual void visit( CaseStmt * ); |
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| 82 | virtual void visit( BranchStmt * ); |
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| 83 | virtual void visit( ReturnStmt * ); |
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| 84 | virtual void visit( WhileStmt * ); |
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| 85 | virtual void visit( ForStmt * ); |
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| 86 | virtual void visit( NullStmt * ); |
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[7baed7d] | 87 | virtual void visit( DeclStmt * ); |
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| 88 | |
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| 89 | void genAttributes( std::list< Attribute * > & attributes ); |
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[51587aa] | 90 | |
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| 91 | template< class Iterator > void genCommaList( Iterator begin, Iterator end ); |
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[cda48b6] | 92 | |
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| 93 | struct Indenter { |
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| 94 | Indenter(CodeGenerator &cg) : cg(cg) {} |
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| 95 | CodeGenerator & cg; |
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[888cbe4] | 96 | std::ostream& operator()(std::ostream & os) const; |
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| 97 | }; |
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| 98 | |
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| 99 | struct LabelPrinter { |
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| 100 | LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {} |
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| 101 | LabelPrinter & operator()( std::list< Label > & l ); |
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| 102 | CodeGenerator & cg; |
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| 103 | std::list< Label > * labels; |
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[cda48b6] | 104 | }; |
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[e04ef3a] | 105 | |
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| 106 | void extension( Expression *expr ) { |
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| 107 | if ( expr->get_extension() ) { |
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| 108 | output << "__extension__ "; |
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| 109 | } // if |
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| 110 | } // extension |
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[51587aa] | 111 | private: |
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[cda48b6] | 112 | |
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| 113 | Indenter indent; |
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[51587aa] | 114 | int cur_indent; |
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| 115 | bool insideFunction; |
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[6c4ff37] | 116 | std::ostream &output; |
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[888cbe4] | 117 | LabelPrinter printLabels; |
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[51587aa] | 118 | |
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[e45215c] | 119 | void printDesignators( std::list< Expression * > & ); |
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[51587aa] | 120 | void handleStorageClass( Declaration *decl ); |
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| 121 | void handleAggregate( AggregateDecl *aggDecl ); |
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| 122 | void handleTypedef( NamedTypeDecl *namedType ); |
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| 123 | |
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| 124 | }; |
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[7baed7d] | 125 | |
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[51587aa] | 126 | template< class Iterator > |
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[6c4ff37] | 127 | void CodeGenerator::genCommaList( Iterator begin, Iterator end ) { |
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[51587aa] | 128 | if ( begin == end ) return; |
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| 129 | |
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| 130 | for ( ;; ) { |
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| 131 | (*begin++)->accept( *this ); |
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| 132 | if ( begin == end ) return; |
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[6c4ff37] | 133 | output << ", "; |
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[51587aa] | 134 | } // for |
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[17cd4eb] | 135 | } |
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[7baed7d] | 136 | |
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[51587aa] | 137 | inline bool doSemicolon( Declaration* decl ) { |
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| 138 | if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) { |
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| 139 | return ! func->get_statements(); |
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| 140 | } // if |
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| 141 | return true; |
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[17cd4eb] | 142 | } |
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[51b7345] | 143 | } // namespace CodeGen |
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| 144 | |
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[51587aa] | 145 | #endif // CODEGENV_H |
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[51b7345] | 146 | |
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[51587aa] | 147 | // Local Variables: // |
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| 148 | // tab-width: 4 // |
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| 149 | // mode: c++ // |
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| 150 | // compile-command: "make install" // |
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| 151 | // End: // |
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