source: src/CodeGen/CodeGenerator.h@ 63be52cd

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since 63be52cd was a5f0529, checked in by Andrew Beach <ajbeach@…>, 8 years ago

Virtual casts have been added. They still require a lot of hand coded support to work but for simple cases it should be enough.
  • Property mode set to 100644
File size: 5.6 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// CodeGenerator.h --
8//
9// Author : Richard C. Bilson
10// Created On : Mon May 18 07:44:20 2015
11// Last Modified By : Andrew Beach
12// Last Modified On : Tus Jul 25 25:30:00 2017
13// Update Count : 54
14//
15
16#pragma once
17
18#include <list> // for list
19#include <ostream> // for ostream, operator<<
20#include <string> // for string
21
22#include "SynTree/Declaration.h" // for DeclarationWithType (ptr only), Fun...
23#include "SynTree/Visitor.h" // for Visitor
24#include "SynTree/SynTree.h" // for Visitor Nodes
25
26namespace CodeGen {
27 class CodeGenerator : public Visitor {
28 public:
29 static int tabsize;
30
31 CodeGenerator( std::ostream &os, bool pretty = false, bool genC = false, bool lineMarks = false );
32 CodeGenerator( std::ostream &os, std::string, int indent = 0, bool infun = false );
33 CodeGenerator( std::ostream &os, char *, int indent = 0, bool infun = false );
34
35 //*** Declaration
36 virtual void visit( StructDecl * );
37 virtual void visit( FunctionDecl * );
38 virtual void visit( ObjectDecl * );
39 virtual void visit( UnionDecl *aggregateDecl );
40 virtual void visit( EnumDecl *aggregateDecl );
41 virtual void visit( TraitDecl *aggregateDecl );
42 virtual void visit( TypedefDecl *typeDecl );
43 virtual void visit( TypeDecl *typeDecl );
44
45 //*** Initializer
46 virtual void visit( Designation * );
47 virtual void visit( SingleInit * );
48 virtual void visit( ListInit * );
49 virtual void visit( ConstructorInit * );
50
51 //*** Constant
52 virtual void visit( Constant * );
53
54 //*** Expression
55 virtual void visit( ApplicationExpr *applicationExpr );
56 virtual void visit( UntypedExpr *untypedExpr );
57 virtual void visit( RangeExpr * rangeExpr );
58 virtual void visit( NameExpr *nameExpr );
59 virtual void visit( AddressExpr *addressExpr );
60 virtual void visit( CastExpr *castExpr );
61 virtual void visit( VirtualCastExpr *castExpr );
62 virtual void visit( UntypedMemberExpr *memberExpr );
63 virtual void visit( MemberExpr *memberExpr );
64 virtual void visit( VariableExpr *variableExpr );
65 virtual void visit( ConstantExpr *constantExpr );
66 virtual void visit( SizeofExpr *sizeofExpr );
67 virtual void visit( AlignofExpr *alignofExpr );
68 virtual void visit( UntypedOffsetofExpr *offsetofExpr );
69 virtual void visit( OffsetofExpr *offsetofExpr );
70 virtual void visit( OffsetPackExpr *offsetPackExpr );
71 virtual void visit( LogicalExpr *logicalExpr );
72 virtual void visit( ConditionalExpr *conditionalExpr );
73 virtual void visit( CommaExpr *commaExpr );
74 virtual void visit( CompoundLiteralExpr *compLitExpr );
75 virtual void visit( UntypedTupleExpr *tupleExpr );
76 virtual void visit( TupleExpr *tupleExpr );
77 virtual void visit( TupleIndexExpr * tupleExpr );
78 virtual void visit( TypeExpr *typeExpr );
79 virtual void visit( AsmExpr * );
80 virtual void visit( StmtExpr * );
81
82 //*** Statements
83 virtual void visit( CompoundStmt * );
84 virtual void visit( ExprStmt * );
85 virtual void visit( AsmStmt * );
86 virtual void visit( AsmDecl * ); // special: statement in declaration context
87 virtual void visit( IfStmt * );
88 virtual void visit( SwitchStmt * );
89 virtual void visit( CaseStmt * );
90 virtual void visit( BranchStmt * );
91 virtual void visit( ReturnStmt * );
92 virtual void visit( ThrowStmt * );
93 virtual void visit( WhileStmt * );
94 virtual void visit( ForStmt * );
95 virtual void visit( NullStmt * );
96 virtual void visit( DeclStmt * );
97
98 void genAttributes( std::list< Attribute * > & attributes );
99
100 template< class Iterator > void genCommaList( Iterator begin, Iterator end );
101
102 struct Indenter {
103 Indenter(CodeGenerator &cg) : cg(cg) {}
104 CodeGenerator & cg;
105 std::ostream& operator()(std::ostream & os) const;
106 };
107
108 struct LabelPrinter {
109 LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {}
110 LabelPrinter & operator()( std::list< Label > & l );
111 CodeGenerator & cg;
112 std::list< Label > * labels;
113 };
114
115 struct LineMarker {
116 CodeLocation const & loc;
117 bool toPrint;
118
119 LineMarker(CodeLocation const & loc, bool toPrint);
120 };
121
122 LineMarker lineDirective(BaseSyntaxNode const * node);
123
124 void asmName( DeclarationWithType *decl );
125
126 void extension( Expression *expr );
127 void extension( Declaration *decl );
128 private:
129 Indenter indent;
130 int cur_indent;
131 bool insideFunction;
132 std::ostream &output;
133 LabelPrinter printLabels;
134 bool pretty = false; // pretty print
135 bool genC = false; // true if output has to be C code
136 bool lineMarks = false;
137
138 void handleStorageClass( DeclarationWithType *decl );
139 void handleAggregate( AggregateDecl *aggDecl, const std::string & kind );
140 void handleTypedef( NamedTypeDecl *namedType );
141 std::string mangleName( DeclarationWithType * decl );
142 }; // CodeGenerator
143
144 template< class Iterator >
145 void CodeGenerator::genCommaList( Iterator begin, Iterator end ) {
146 if ( begin == end ) return;
147 for ( ;; ) {
148 (*begin++)->accept( *this );
149 if ( begin == end ) break;
150 output << ", "; // separator
151 } // for
152 } // genCommaList
153
154 inline bool doSemicolon( Declaration* decl ) {
155 if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) {
156 return ! func->get_statements();
157 } // if
158 return true;
159 } // doSemicolon
160
161 /// returns C-compatible name of declaration
162 std::string genName( DeclarationWithType * decl );
163
164 std::ostream & operator<<(std::ostream &,
165 CodeGenerator::LineMarker const &);
166} // namespace CodeGen
167
168// Local Variables: //
169// tab-width: 4 //
170// mode: c++ //
171// compile-command: "make install" //
172// End: //
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