source: src/CodeGen/CodeGenerator.h@ b91e8c1

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 with_gc
Last change on this file since b91e8c1 was da9d79b, checked in by Rob Schluntz <rschlunt@…>, 7 years ago

Add debug codegen for KeywordCasts, TraitInstType, TypeofType
  • Property mode set to 100644
File size: 6.1 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 : Fri Aug 18 15:40:00 2017
13// Update Count : 56
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 "Common/Indenter.h" // for Indenter
23#include "Common/PassVisitor.h" // for PassVisitor
24#include "SynTree/Declaration.h" // for DeclarationWithType (ptr only), Fun...
25#include "SynTree/Visitor.h" // for Visitor
26#include "SynTree/SynTree.h" // for Visitor Nodes
27
28namespace CodeGen {
29 struct CodeGenerator : public WithShortCircuiting, public WithGuards, public WithVisitorRef<CodeGenerator> {
30 static int tabsize;
31
32 CodeGenerator( std::ostream &os, bool pretty = false, bool genC = false, bool lineMarks = false, bool printExprTypes = false );
33
34 //*** Turn off visit_children for all nodes
35 void previsit( BaseSyntaxNode * );
36
37 //*** Error for unhandled node types
38 void postvisit( BaseSyntaxNode * );
39
40 //*** print type for all expressions
41 void previsit( Expression * node );
42
43 //*** Declaration
44 void postvisit( StructDecl * );
45 void postvisit( FunctionDecl * );
46 void postvisit( ObjectDecl * );
47 void postvisit( UnionDecl * aggregateDecl );
48 void postvisit( EnumDecl * aggregateDecl );
49 void postvisit( TraitDecl * aggregateDecl );
50 void postvisit( TypedefDecl * typeDecl );
51 void postvisit( TypeDecl * typeDecl );
52 void postvisit( StaticAssertDecl * assertDecl );
53
54 //*** Initializer
55 void postvisit( Designation * );
56 void postvisit( SingleInit * );
57 void postvisit( ListInit * );
58 void postvisit( ConstructorInit * );
59
60 //*** Constant
61 void postvisit( Constant * );
62
63 //*** Expression
64 void postvisit( ApplicationExpr *applicationExpr );
65 void postvisit( UntypedExpr *untypedExpr );
66 void postvisit( RangeExpr * rangeExpr );
67 void postvisit( NameExpr *nameExpr );
68 void postvisit( AddressExpr *addressExpr );
69 void postvisit( LabelAddressExpr *addressExpr );
70 void postvisit( CastExpr *castExpr );
71 void postvisit( KeywordCastExpr * castExpr );
72 void postvisit( VirtualCastExpr *castExpr );
73 void postvisit( UntypedMemberExpr *memberExpr );
74 void postvisit( MemberExpr *memberExpr );
75 void postvisit( VariableExpr *variableExpr );
76 void postvisit( ConstantExpr *constantExpr );
77 void postvisit( SizeofExpr *sizeofExpr );
78 void postvisit( AlignofExpr *alignofExpr );
79 void postvisit( UntypedOffsetofExpr *offsetofExpr );
80 void postvisit( OffsetofExpr *offsetofExpr );
81 void postvisit( OffsetPackExpr *offsetPackExpr );
82 void postvisit( LogicalExpr *logicalExpr );
83 void postvisit( ConditionalExpr *conditionalExpr );
84 void postvisit( CommaExpr *commaExpr );
85 void postvisit( CompoundLiteralExpr *compLitExpr );
86 void postvisit( UniqueExpr * );
87 void postvisit( TupleAssignExpr * tupleExpr );
88 void postvisit( UntypedTupleExpr *tupleExpr );
89 void postvisit( TupleExpr *tupleExpr );
90 void postvisit( TupleIndexExpr * tupleExpr );
91 void postvisit( TypeExpr *typeExpr );
92 void postvisit( AsmExpr * );
93 void postvisit( StmtExpr * );
94 void postvisit( ConstructorExpr * );
95 void postvisit( DeletedExpr * );
96
97 //*** Statements
98 void postvisit( CompoundStmt * );
99 void postvisit( ExprStmt * );
100 void postvisit( AsmStmt * );
101 void postvisit( AsmDecl * ); // special: statement in declaration context
102 void postvisit( IfStmt * );
103 void postvisit( SwitchStmt * );
104 void postvisit( CaseStmt * );
105 void postvisit( BranchStmt * );
106 void postvisit( ReturnStmt * );
107 void postvisit( ThrowStmt * );
108 void postvisit( CatchStmt * );
109 void postvisit( WaitForStmt * );
110 void postvisit( WithStmt * );
111 void postvisit( WhileStmt * );
112 void postvisit( ForStmt * );
113 void postvisit( NullStmt * );
114 void postvisit( DeclStmt * );
115 void postvisit( ImplicitCtorDtorStmt * );
116
117 void genAttributes( std::list< Attribute * > & attributes );
118
119 template< class Iterator > void genCommaList( Iterator begin, Iterator end );
120
121 struct LabelPrinter {
122 LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {}
123 LabelPrinter & operator()( std::list< Label > & l );
124 CodeGenerator & cg;
125 std::list< Label > * labels;
126 };
127
128 void asmName( DeclarationWithType *decl );
129
130 void extension( Expression *expr );
131 void extension( Declaration *decl );
132
133 void updateLocation( BaseSyntaxNode const * to );
134 struct LineEnder {
135 CodeGenerator & cg;
136 LineEnder( CodeGenerator & cg ) : cg( cg ) {}
137 std::ostream & operator()(std::ostream &) const;
138 };
139 private:
140 Indenter indent;
141 std::ostream & output;
142 LabelPrinter printLabels;
143 bool pretty = false; // pretty print
144 bool genC = false; // true if output has to be C code
145 bool lineMarks = false;
146 bool printExprTypes = false;
147 public:
148 LineEnder endl;
149 private:
150
151 CodeLocation currentLocation;
152 void updateLocation( CodeLocation const & to );
153
154 void handleStorageClass( DeclarationWithType *decl );
155 void handleAggregate( AggregateDecl *aggDecl, const std::string & kind );
156 void handleTypedef( NamedTypeDecl *namedType );
157 std::string mangleName( DeclarationWithType * decl );
158 }; // CodeGenerator
159
160 template< class Iterator >
161 void CodeGenerator::genCommaList( Iterator begin, Iterator end ) {
162 if ( begin == end ) return;
163 for ( ;; ) {
164 (*begin++)->accept( *visitor );
165 if ( begin == end ) break;
166 output << ", "; // separator
167 } // for
168 } // genCommaList
169
170 inline bool doSemicolon( Declaration* decl ) {
171 if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) {
172 return ! func->get_statements();
173 } // if
174 return true;
175 } // doSemicolon
176
177 /// returns C-compatible name of declaration
178 std::string genName( DeclarationWithType * decl );
179
180 inline std::ostream & operator<<( std::ostream & os, const CodeGenerator::LineEnder & endl ) {
181 return endl( os );
182 }
183} // namespace CodeGen
184
185// Local Variables: //
186// tab-width: 4 //
187// mode: c++ //
188// compile-command: "make install" //
189// End: //
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