[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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[c850687] | 11 | // Last Modified By : Andrew Beach |
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[0dd18fd] | 12 | // Last Modified On : Fri Aug 18 15:40:00 2017 |
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| 13 | // Update Count : 56 |
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[51587aa] | 14 | // |
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| 15 | |
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[6b0b624] | 16 | #pragma once |
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[51b7345] | 17 | |
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[bf2438c] | 18 | #include <list> // for list |
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| 19 | #include <ostream> // for ostream, operator<< |
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| 20 | #include <string> // for string |
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[51b7345] | 21 | |
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[e6cee92] | 22 | #include "Common/Indenter.h" // for Indenter |
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[bf2438c] | 23 | #include "SynTree/Declaration.h" // for DeclarationWithType (ptr only), Fun... |
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| 24 | #include "SynTree/Visitor.h" // for Visitor |
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| 25 | #include "SynTree/SynTree.h" // for Visitor Nodes |
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[c850687] | 26 | |
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[51b7345] | 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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[c850687] | 32 | CodeGenerator( std::ostream &os, bool pretty = false, bool genC = false, bool lineMarks = false ); |
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[6c4ff37] | 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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[e4d829b] | 47 | virtual void visit( Designation * ); |
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[51587aa] | 48 | virtual void visit( SingleInit * ); |
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| 49 | virtual void visit( ListInit * ); |
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[fc638d2] | 50 | virtual void visit( ConstructorInit * ); |
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[51587aa] | 51 | |
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| 52 | //*** Constant |
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| 53 | virtual void visit( Constant * ); |
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| 54 | |
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| 55 | //*** Expression |
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| 56 | virtual void visit( ApplicationExpr *applicationExpr ); |
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| 57 | virtual void visit( UntypedExpr *untypedExpr ); |
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[064e3ff] | 58 | virtual void visit( RangeExpr * rangeExpr ); |
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[51587aa] | 59 | virtual void visit( NameExpr *nameExpr ); |
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| 60 | virtual void visit( AddressExpr *addressExpr ); |
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| 61 | virtual void visit( CastExpr *castExpr ); |
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[a5f0529] | 62 | virtual void visit( VirtualCastExpr *castExpr ); |
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[51587aa] | 63 | virtual void visit( UntypedMemberExpr *memberExpr ); |
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| 64 | virtual void visit( MemberExpr *memberExpr ); |
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| 65 | virtual void visit( VariableExpr *variableExpr ); |
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[7baed7d] | 66 | virtual void visit( ConstantExpr *constantExpr ); |
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[51587aa] | 67 | virtual void visit( SizeofExpr *sizeofExpr ); |
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[47534159] | 68 | virtual void visit( AlignofExpr *alignofExpr ); |
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[2a4b088] | 69 | virtual void visit( UntypedOffsetofExpr *offsetofExpr ); |
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[25a054f] | 70 | virtual void visit( OffsetofExpr *offsetofExpr ); |
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[afc1045] | 71 | virtual void visit( OffsetPackExpr *offsetPackExpr ); |
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[51587aa] | 72 | virtual void visit( LogicalExpr *logicalExpr ); |
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| 73 | virtual void visit( ConditionalExpr *conditionalExpr ); |
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| 74 | virtual void visit( CommaExpr *commaExpr ); |
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[3c13c03] | 75 | virtual void visit( CompoundLiteralExpr *compLitExpr ); |
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[d104b02] | 76 | virtual void visit( UniqueExpr * ); |
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| 77 | virtual void visit( TupleAssignExpr * tupleExpr ); |
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[907eccb] | 78 | virtual void visit( UntypedTupleExpr *tupleExpr ); |
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[51587aa] | 79 | virtual void visit( TupleExpr *tupleExpr ); |
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[a28bc02] | 80 | virtual void visit( TupleIndexExpr * tupleExpr ); |
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[51587aa] | 81 | virtual void visit( TypeExpr *typeExpr ); |
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[7f5566b] | 82 | virtual void visit( AsmExpr * ); |
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[6eb8948] | 83 | virtual void visit( StmtExpr * ); |
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[51587aa] | 84 | |
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| 85 | //*** Statements |
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| 86 | virtual void visit( CompoundStmt * ); |
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| 87 | virtual void visit( ExprStmt * ); |
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[7f5566b] | 88 | virtual void visit( AsmStmt * ); |
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[e994912] | 89 | virtual void visit( AsmDecl * ); // special: statement in declaration context |
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[51587aa] | 90 | virtual void visit( IfStmt * ); |
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| 91 | virtual void visit( SwitchStmt * ); |
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| 92 | virtual void visit( CaseStmt * ); |
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| 93 | virtual void visit( BranchStmt * ); |
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| 94 | virtual void visit( ReturnStmt * ); |
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[daf1af8] | 95 | virtual void visit( ThrowStmt * ); |
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[51587aa] | 96 | virtual void visit( WhileStmt * ); |
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| 97 | virtual void visit( ForStmt * ); |
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| 98 | virtual void visit( NullStmt * ); |
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[7baed7d] | 99 | virtual void visit( DeclStmt * ); |
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| 100 | |
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| 101 | void genAttributes( std::list< Attribute * > & attributes ); |
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[51587aa] | 102 | |
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| 103 | template< class Iterator > void genCommaList( Iterator begin, Iterator end ); |
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[cda48b6] | 104 | |
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[888cbe4] | 105 | struct LabelPrinter { |
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| 106 | LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {} |
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| 107 | LabelPrinter & operator()( std::list< Label > & l ); |
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| 108 | CodeGenerator & cg; |
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| 109 | std::list< Label > * labels; |
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[cda48b6] | 110 | }; |
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[e04ef3a] | 111 | |
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[58dd019] | 112 | void asmName( DeclarationWithType *decl ); |
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| 113 | |
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[8e9cbb2] | 114 | void extension( Expression *expr ); |
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| 115 | void extension( Declaration *decl ); |
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[0dd18fd] | 116 | |
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| 117 | void updateLocation( BaseSyntaxNode const * to ); |
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[51587aa] | 118 | private: |
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[cda48b6] | 119 | Indenter indent; |
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[51587aa] | 120 | bool insideFunction; |
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[6c4ff37] | 121 | std::ostream &output; |
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[888cbe4] | 122 | LabelPrinter printLabels; |
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[35b1bf4] | 123 | bool pretty = false; // pretty print |
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[e39241b] | 124 | bool genC = false; // true if output has to be C code |
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[c850687] | 125 | bool lineMarks = false; |
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[51587aa] | 126 | |
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[8bafacc] | 127 | CodeLocation currentLocation; |
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| 128 | void updateLocation( CodeLocation const & to ); |
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| 129 | void nextLine(); |
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| 130 | |
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[dd020c0] | 131 | void handleStorageClass( DeclarationWithType *decl ); |
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[5f642e38] | 132 | void handleAggregate( AggregateDecl *aggDecl, const std::string & kind ); |
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[51587aa] | 133 | void handleTypedef( NamedTypeDecl *namedType ); |
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[486341f] | 134 | std::string mangleName( DeclarationWithType * decl ); |
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[66d12f7] | 135 | }; // CodeGenerator |
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[7baed7d] | 136 | |
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[51587aa] | 137 | template< class Iterator > |
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[6c4ff37] | 138 | void CodeGenerator::genCommaList( Iterator begin, Iterator end ) { |
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[44a81853] | 139 | if ( begin == end ) return; |
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[51587aa] | 140 | for ( ;; ) { |
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| 141 | (*begin++)->accept( *this ); |
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[44a81853] | 142 | if ( begin == end ) break; |
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| 143 | output << ", "; // separator |
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[51587aa] | 144 | } // for |
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[44a81853] | 145 | } // genCommaList |
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[7baed7d] | 146 | |
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[51587aa] | 147 | inline bool doSemicolon( Declaration* decl ) { |
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| 148 | if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) { |
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| 149 | return ! func->get_statements(); |
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| 150 | } // if |
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| 151 | return true; |
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[44a81853] | 152 | } // doSemicolon |
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[9facf3b] | 153 | |
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| 154 | /// returns C-compatible name of declaration |
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| 155 | std::string genName( DeclarationWithType * decl ); |
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[51b7345] | 156 | } // namespace CodeGen |
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| 157 | |
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[51587aa] | 158 | // Local Variables: // |
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| 159 | // tab-width: 4 // |
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| 160 | // mode: c++ // |
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| 161 | // compile-command: "make install" // |
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| 162 | // End: // |
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