[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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[daf1af8] | 12 | // Last Modified On : Thu Jun 8 15:48:00 2017
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| 13 | // Update Count : 52
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[51587aa] | 14 | //
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| 15 |
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[51b73452] | 16 | #ifndef CODEGENV_H
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| 17 | #define CODEGENV_H
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| 18 |
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[bf2438c] | 19 | #include <list> // for list
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| 20 | #include <ostream> // for ostream, operator<<
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| 21 | #include <string> // for string
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[51b73452] | 22 |
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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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[51b73452] | 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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| 62 | virtual void visit( UntypedMemberExpr *memberExpr );
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| 63 | virtual void visit( MemberExpr *memberExpr );
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| 64 | virtual void visit( VariableExpr *variableExpr );
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[7baed7d] | 65 | virtual void visit( ConstantExpr *constantExpr );
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[51587aa] | 66 | virtual void visit( SizeofExpr *sizeofExpr );
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[47534159] | 67 | virtual void visit( AlignofExpr *alignofExpr );
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[2a4b088] | 68 | virtual void visit( UntypedOffsetofExpr *offsetofExpr );
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[25a054f] | 69 | virtual void visit( OffsetofExpr *offsetofExpr );
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[afc1045] | 70 | virtual void visit( OffsetPackExpr *offsetPackExpr );
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[51587aa] | 71 | virtual void visit( LogicalExpr *logicalExpr );
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| 72 | virtual void visit( ConditionalExpr *conditionalExpr );
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| 73 | virtual void visit( CommaExpr *commaExpr );
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[3c13c03] | 74 | virtual void visit( CompoundLiteralExpr *compLitExpr );
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[907eccb] | 75 | virtual void visit( UntypedTupleExpr *tupleExpr );
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[51587aa] | 76 | virtual void visit( TupleExpr *tupleExpr );
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[a28bc02] | 77 | virtual void visit( TupleIndexExpr * tupleExpr );
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[51587aa] | 78 | virtual void visit( TypeExpr *typeExpr );
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[7f5566b] | 79 | virtual void visit( AsmExpr * );
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[6eb8948] | 80 | virtual void visit( StmtExpr * );
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[51587aa] | 81 |
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| 82 | //*** Statements
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| 83 | virtual void visit( CompoundStmt * );
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| 84 | virtual void visit( ExprStmt * );
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[7f5566b] | 85 | virtual void visit( AsmStmt * );
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[e994912] | 86 | virtual void visit( AsmDecl * ); // special: statement in declaration context
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[51587aa] | 87 | virtual void visit( IfStmt * );
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| 88 | virtual void visit( SwitchStmt * );
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| 89 | virtual void visit( CaseStmt * );
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| 90 | virtual void visit( BranchStmt * );
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| 91 | virtual void visit( ReturnStmt * );
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[daf1af8] | 92 | virtual void visit( ThrowStmt * );
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[51587aa] | 93 | virtual void visit( WhileStmt * );
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| 94 | virtual void visit( ForStmt * );
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| 95 | virtual void visit( NullStmt * );
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[7baed7d] | 96 | virtual void visit( DeclStmt * );
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| 97 |
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| 98 | void genAttributes( std::list< Attribute * > & attributes );
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[51587aa] | 99 |
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| 100 | template< class Iterator > void genCommaList( Iterator begin, Iterator end );
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[cda48b6] | 101 |
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| 102 | struct Indenter {
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| 103 | Indenter(CodeGenerator &cg) : cg(cg) {}
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| 104 | CodeGenerator & cg;
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[888cbe4] | 105 | std::ostream& operator()(std::ostream & os) const;
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| 106 | };
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| 107 |
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| 108 | struct LabelPrinter {
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| 109 | LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {}
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| 110 | LabelPrinter & operator()( std::list< Label > & l );
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| 111 | CodeGenerator & cg;
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| 112 | std::list< Label > * labels;
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[cda48b6] | 113 | };
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[e04ef3a] | 114 |
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[c850687] | 115 | struct LineMarker {
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| 116 | CodeLocation const & loc;
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| 117 | bool toPrint;
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| 118 |
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| 119 | LineMarker(CodeLocation const & loc, bool toPrint);
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| 120 | };
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| 121 |
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| 122 | LineMarker lineDirective(BaseSyntaxNode const * node);
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| 123 |
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[58dd019] | 124 | void asmName( DeclarationWithType *decl );
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| 125 |
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[8e9cbb2] | 126 | void extension( Expression *expr );
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| 127 | void extension( Declaration *decl );
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[51587aa] | 128 | private:
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[cda48b6] | 129 | Indenter indent;
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[51587aa] | 130 | int cur_indent;
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| 131 | bool insideFunction;
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[6c4ff37] | 132 | std::ostream &output;
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[888cbe4] | 133 | LabelPrinter printLabels;
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[35b1bf4] | 134 | bool pretty = false; // pretty print
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[e39241b] | 135 | bool genC = false; // true if output has to be C code
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[c850687] | 136 | bool lineMarks = false;
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[51587aa] | 137 |
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[dd020c0] | 138 | void handleStorageClass( DeclarationWithType *decl );
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[5f642e38] | 139 | void handleAggregate( AggregateDecl *aggDecl, const std::string & kind );
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[51587aa] | 140 | void handleTypedef( NamedTypeDecl *namedType );
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[486341f] | 141 | std::string mangleName( DeclarationWithType * decl );
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[66d12f7] | 142 | }; // CodeGenerator
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[7baed7d] | 143 |
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[51587aa] | 144 | template< class Iterator >
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[6c4ff37] | 145 | void CodeGenerator::genCommaList( Iterator begin, Iterator end ) {
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[44a81853] | 146 | if ( begin == end ) return;
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[51587aa] | 147 | for ( ;; ) {
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| 148 | (*begin++)->accept( *this );
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[44a81853] | 149 | if ( begin == end ) break;
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| 150 | output << ", "; // separator
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[51587aa] | 151 | } // for
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[44a81853] | 152 | } // genCommaList
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[7baed7d] | 153 |
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[51587aa] | 154 | inline bool doSemicolon( Declaration* decl ) {
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| 155 | if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) {
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| 156 | return ! func->get_statements();
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| 157 | } // if
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| 158 | return true;
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[44a81853] | 159 | } // doSemicolon
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[9facf3b] | 160 |
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| 161 | /// returns C-compatible name of declaration
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| 162 | std::string genName( DeclarationWithType * decl );
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[c850687] | 163 |
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| 164 | std::ostream & operator<<(std::ostream &,
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| 165 | CodeGenerator::LineMarker const &);
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[51b73452] | 166 | } // namespace CodeGen
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| 167 |
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[51587aa] | 168 | #endif // CODEGENV_H
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[51b73452] | 169 |
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[51587aa] | 170 | // Local Variables: //
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| 171 | // tab-width: 4 //
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| 172 | // mode: c++ //
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| 173 | // compile-command: "make install" //
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| 174 | // End: //
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