source: src/CodeGen/CodeGenerator.h@ 9857e8d

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 9857e8d was 9857e8d, checked in by Rob Schluntz <rschlunt@…>, 8 years ago

Convert CodeGenerator to PassVisitor
  • 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 : 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 WithVisitorRef<CodeGenerator> {
30 static int tabsize;
31
32 CodeGenerator( std::ostream &os, bool pretty = false, bool genC = false, bool lineMarks = false );
33 CodeGenerator( std::ostream &os, std::string, int indent = 0, bool infun = false );
34 CodeGenerator( std::ostream &os, char *, int indent = 0, bool infun = false );
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 //*** Declaration
43 void postvisit( StructDecl * );
44 void postvisit( FunctionDecl * );
45 void postvisit( ObjectDecl * );
46 void postvisit( UnionDecl *aggregateDecl );
47 void postvisit( EnumDecl *aggregateDecl );
48 void postvisit( TraitDecl *aggregateDecl );
49 void postvisit( TypedefDecl *typeDecl );
50 void postvisit( TypeDecl *typeDecl );
51
52 //*** Initializer
53 void postvisit( Designation * );
54 void postvisit( SingleInit * );
55 void postvisit( ListInit * );
56 void postvisit( ConstructorInit * );
57
58 //*** Constant
59 void postvisit( Constant * );
60
61 //*** Expression
62 void postvisit( ApplicationExpr *applicationExpr );
63 void postvisit( UntypedExpr *untypedExpr );
64 void postvisit( RangeExpr * rangeExpr );
65 void postvisit( NameExpr *nameExpr );
66 void postvisit( AddressExpr *addressExpr );
67 void postvisit( LabelAddressExpr *addressExpr );
68 void postvisit( CastExpr *castExpr );
69 void postvisit( VirtualCastExpr *castExpr );
70 void postvisit( UntypedMemberExpr *memberExpr );
71 void postvisit( MemberExpr *memberExpr );
72 void postvisit( VariableExpr *variableExpr );
73 void postvisit( ConstantExpr *constantExpr );
74 void postvisit( SizeofExpr *sizeofExpr );
75 void postvisit( AlignofExpr *alignofExpr );
76 void postvisit( UntypedOffsetofExpr *offsetofExpr );
77 void postvisit( OffsetofExpr *offsetofExpr );
78 void postvisit( OffsetPackExpr *offsetPackExpr );
79 void postvisit( LogicalExpr *logicalExpr );
80 void postvisit( ConditionalExpr *conditionalExpr );
81 void postvisit( CommaExpr *commaExpr );
82 void postvisit( CompoundLiteralExpr *compLitExpr );
83 void postvisit( UniqueExpr * );
84 void postvisit( TupleAssignExpr * tupleExpr );
85 void postvisit( UntypedTupleExpr *tupleExpr );
86 void postvisit( TupleExpr *tupleExpr );
87 void postvisit( TupleIndexExpr * tupleExpr );
88 void postvisit( TypeExpr *typeExpr );
89 void postvisit( AsmExpr * );
90 void postvisit( StmtExpr * );
91
92 //*** Statements
93 void postvisit( CompoundStmt * );
94 void postvisit( ExprStmt * );
95 void postvisit( AsmStmt * );
96 void postvisit( AsmDecl * ); // special: statement in declaration context
97 void postvisit( IfStmt * );
98 void postvisit( SwitchStmt * );
99 void postvisit( CaseStmt * );
100 void postvisit( BranchStmt * );
101 void postvisit( ReturnStmt * );
102 void postvisit( ThrowStmt * );
103 void postvisit( WhileStmt * );
104 void postvisit( ForStmt * );
105 void postvisit( NullStmt * );
106 void postvisit( DeclStmt * );
107 void postvisit( ImplicitCtorDtorStmt * );
108
109 void genAttributes( std::list< Attribute * > & attributes );
110
111 template< class Iterator > void genCommaList( Iterator begin, Iterator end );
112
113 struct LabelPrinter {
114 LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {}
115 LabelPrinter & operator()( std::list< Label > & l );
116 CodeGenerator & cg;
117 std::list< Label > * labels;
118 };
119
120 void asmName( DeclarationWithType *decl );
121
122 void extension( Expression *expr );
123 void extension( Declaration *decl );
124
125 void updateLocation( BaseSyntaxNode const * to );
126 private:
127 Indenter indent;
128 bool insideFunction;
129 std::ostream &output;
130 LabelPrinter printLabels;
131 bool pretty = false; // pretty print
132 bool genC = false; // true if output has to be C code
133 bool lineMarks = false;
134
135 CodeLocation currentLocation;
136 void updateLocation( CodeLocation const & to );
137 void nextLine();
138
139 void handleStorageClass( DeclarationWithType *decl );
140 void handleAggregate( AggregateDecl *aggDecl, const std::string & kind );
141 void handleTypedef( NamedTypeDecl *namedType );
142 std::string mangleName( DeclarationWithType * decl );
143 }; // CodeGenerator
144
145 template< class Iterator >
146 void CodeGenerator::genCommaList( Iterator begin, Iterator end ) {
147 if ( begin == end ) return;
148 for ( ;; ) {
149 (*begin++)->accept( *visitor );
150 if ( begin == end ) break;
151 output << ", "; // separator
152 } // for
153 } // genCommaList
154
155 inline bool doSemicolon( Declaration* decl ) {
156 if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) {
157 return ! func->get_statements();
158 } // if
159 return true;
160 } // doSemicolon
161
162 /// returns C-compatible name of declaration
163 std::string genName( DeclarationWithType * decl );
164} // namespace CodeGen
165
166// Local Variables: //
167// tab-width: 4 //
168// mode: c++ //
169// compile-command: "make install" //
170// End: //
Note: See TracBrowser for help on using the repository browser.