source: src/CodeGen/CodeGenerator.h@ effe5b0

ADT arm-eh ast-experimental cleanup-dtors enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since effe5b0 was 42a36d9, checked in by Andrew Beach <ajbeach@…>, 6 years ago

Created CodeGen::Options which hold some flags for code generation.
  • Property mode set to 100644
File size: 6.2 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 : Tue Apr 30 12:01:00 2019
13// Update Count : 57
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 "CodeGen/Options.h" // for Options
23#include "Common/Indenter.h" // for Indenter
24#include "Common/PassVisitor.h" // for PassVisitor
25#include "SynTree/Declaration.h" // for DeclarationWithType (ptr only), Fun...
26#include "SynTree/Visitor.h" // for Visitor
27#include "SynTree/SynTree.h" // for Visitor Nodes
28
29namespace CodeGen {
30 struct CodeGenerator : public WithShortCircuiting, public WithGuards, public WithVisitorRef<CodeGenerator> {
31 static int tabsize;
32
33 CodeGenerator( std::ostream &os, bool pretty = false, bool genC = false, bool lineMarks = false, bool printExprTypes = false );
34 CodeGenerator( std::ostream &os, const Options &options );
35
36 //*** Turn off visit_children for all nodes
37 void previsit( BaseSyntaxNode * );
38
39 //*** Error for unhandled node types
40 void postvisit( BaseSyntaxNode * );
41
42 //*** print type for all expressions
43 void previsit( Expression * node );
44
45 //*** Declaration
46 void postvisit( StructDecl * );
47 void postvisit( FunctionDecl * );
48 void postvisit( ObjectDecl * );
49 void postvisit( UnionDecl * aggregateDecl );
50 void postvisit( EnumDecl * aggregateDecl );
51 void postvisit( TraitDecl * aggregateDecl );
52 void postvisit( TypedefDecl * typeDecl );
53 void postvisit( TypeDecl * typeDecl );
54 void postvisit( StaticAssertDecl * assertDecl );
55
56 //*** Initializer
57 void postvisit( Designation * );
58 void postvisit( SingleInit * );
59 void postvisit( ListInit * );
60 void postvisit( ConstructorInit * );
61
62 //*** Constant
63 void postvisit( Constant * );
64
65 //*** Expression
66 void postvisit( ApplicationExpr *applicationExpr );
67 void postvisit( UntypedExpr *untypedExpr );
68 void postvisit( RangeExpr * rangeExpr );
69 void postvisit( NameExpr *nameExpr );
70 void postvisit( AddressExpr *addressExpr );
71 void postvisit( LabelAddressExpr *addressExpr );
72 void postvisit( CastExpr *castExpr );
73 void postvisit( KeywordCastExpr * castExpr );
74 void postvisit( VirtualCastExpr *castExpr );
75 void postvisit( UntypedMemberExpr *memberExpr );
76 void postvisit( MemberExpr *memberExpr );
77 void postvisit( VariableExpr *variableExpr );
78 void postvisit( ConstantExpr *constantExpr );
79 void postvisit( SizeofExpr *sizeofExpr );
80 void postvisit( AlignofExpr *alignofExpr );
81 void postvisit( UntypedOffsetofExpr *offsetofExpr );
82 void postvisit( OffsetofExpr *offsetofExpr );
83 void postvisit( OffsetPackExpr *offsetPackExpr );
84 void postvisit( LogicalExpr *logicalExpr );
85 void postvisit( ConditionalExpr *conditionalExpr );
86 void postvisit( CommaExpr *commaExpr );
87 void postvisit( CompoundLiteralExpr *compLitExpr );
88 void postvisit( UniqueExpr * );
89 void postvisit( TupleAssignExpr * tupleExpr );
90 void postvisit( UntypedTupleExpr *tupleExpr );
91 void postvisit( TupleExpr *tupleExpr );
92 void postvisit( TupleIndexExpr * tupleExpr );
93 void postvisit( TypeExpr *typeExpr );
94 void postvisit( AsmExpr * );
95 void postvisit( StmtExpr * );
96 void postvisit( ConstructorExpr * );
97 void postvisit( DeletedExpr * );
98 void postvisit( DefaultArgExpr * );
99 void postvisit( GenericExpr * );
100
101 //*** Statements
102 void postvisit( CompoundStmt * );
103 void postvisit( ExprStmt * );
104 void postvisit( AsmStmt * );
105 void postvisit( DirectiveStmt * );
106 void postvisit( AsmDecl * ); // special: statement in declaration context
107 void postvisit( IfStmt * );
108 void postvisit( SwitchStmt * );
109 void postvisit( CaseStmt * );
110 void postvisit( BranchStmt * );
111 void postvisit( ReturnStmt * );
112 void postvisit( ThrowStmt * );
113 void postvisit( CatchStmt * );
114 void postvisit( WaitForStmt * );
115 void postvisit( WithStmt * );
116 void postvisit( WhileStmt * );
117 void postvisit( ForStmt * );
118 void postvisit( NullStmt * );
119 void postvisit( DeclStmt * );
120 void postvisit( ImplicitCtorDtorStmt * );
121
122 void genAttributes( std::list< Attribute * > & attributes );
123
124 template< class Iterator > void genCommaList( Iterator begin, Iterator end );
125
126 struct LabelPrinter {
127 LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {}
128 LabelPrinter & operator()( std::list< Label > & l );
129 CodeGenerator & cg;
130 std::list< Label > * labels;
131 };
132
133 void asmName( DeclarationWithType *decl );
134
135 void extension( Expression *expr );
136 void extension( Declaration *decl );
137
138 void updateLocation( BaseSyntaxNode const * to );
139 struct LineEnder {
140 CodeGenerator & cg;
141 LineEnder( CodeGenerator & cg ) : cg( cg ) {}
142 std::ostream & operator()(std::ostream &) const;
143 };
144 private:
145 Indenter indent;
146 std::ostream & output;
147 LabelPrinter printLabels;
148 Options options;
149 public:
150 LineEnder endl;
151 private:
152
153 CodeLocation currentLocation;
154 void updateLocation( CodeLocation const & to );
155
156 void handleStorageClass( DeclarationWithType *decl );
157 void handleAggregate( AggregateDecl *aggDecl, const std::string & kind );
158 void handleTypedef( NamedTypeDecl *namedType );
159 std::string mangleName( DeclarationWithType * decl );
160 }; // CodeGenerator
161
162 template< class Iterator >
163 void CodeGenerator::genCommaList( Iterator begin, Iterator end ) {
164 if ( begin == end ) return;
165 for ( ;; ) {
166 (*begin++)->accept( *visitor );
167 if ( begin == end ) break;
168 output << ", "; // separator
169 } // for
170 } // genCommaList
171
172 inline bool doSemicolon( Declaration* decl ) {
173 if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) {
174 return ! func->get_statements();
175 } // if
176 return true;
177 } // doSemicolon
178
179 /// returns C-compatible name of declaration
180 std::string genName( DeclarationWithType * decl );
181
182 inline std::ostream & operator<<( std::ostream & os, const CodeGenerator::LineEnder & endl ) {
183 return endl( os );
184 }
185} // namespace CodeGen
186
187// Local Variables: //
188// tab-width: 4 //
189// mode: c++ //
190// compile-command: "make install" //
191// End: //
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