source: src/CodeGen/CodeGenerator.h@ a0c7dc36

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 a0c7dc36 was 5809461, checked in by Rob Schluntz <rschlunt@…>, 8 years ago

Fix handling of GCC label address and computed goto
  • Property mode set to 100644
File size: 5.5 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 "SynTree/Declaration.h" // for DeclarationWithType (ptr only), Fun...
24#include "SynTree/Visitor.h" // for Visitor
25#include "SynTree/SynTree.h" // for Visitor Nodes
26
27namespace CodeGen {
28 class CodeGenerator : public Visitor {
29 public:
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 //*** Declaration
37 virtual void visit( StructDecl * );
38 virtual void visit( FunctionDecl * );
39 virtual void visit( ObjectDecl * );
40 virtual void visit( UnionDecl *aggregateDecl );
41 virtual void visit( EnumDecl *aggregateDecl );
42 virtual void visit( TraitDecl *aggregateDecl );
43 virtual void visit( TypedefDecl *typeDecl );
44 virtual void visit( TypeDecl *typeDecl );
45
46 //*** Initializer
47 virtual void visit( Designation * );
48 virtual void visit( SingleInit * );
49 virtual void visit( ListInit * );
50 virtual void visit( ConstructorInit * );
51
52 //*** Constant
53 virtual void visit( Constant * );
54
55 //*** Expression
56 virtual void visit( ApplicationExpr *applicationExpr );
57 virtual void visit( UntypedExpr *untypedExpr );
58 virtual void visit( RangeExpr * rangeExpr );
59 virtual void visit( NameExpr *nameExpr );
60 virtual void visit( AddressExpr *addressExpr );
61 virtual void visit( LabelAddressExpr *addressExpr );
62 virtual void visit( CastExpr *castExpr );
63 virtual void visit( VirtualCastExpr *castExpr );
64 virtual void visit( UntypedMemberExpr *memberExpr );
65 virtual void visit( MemberExpr *memberExpr );
66 virtual void visit( VariableExpr *variableExpr );
67 virtual void visit( ConstantExpr *constantExpr );
68 virtual void visit( SizeofExpr *sizeofExpr );
69 virtual void visit( AlignofExpr *alignofExpr );
70 virtual void visit( UntypedOffsetofExpr *offsetofExpr );
71 virtual void visit( OffsetofExpr *offsetofExpr );
72 virtual void visit( OffsetPackExpr *offsetPackExpr );
73 virtual void visit( LogicalExpr *logicalExpr );
74 virtual void visit( ConditionalExpr *conditionalExpr );
75 virtual void visit( CommaExpr *commaExpr );
76 virtual void visit( CompoundLiteralExpr *compLitExpr );
77 virtual void visit( UniqueExpr * );
78 virtual void visit( TupleAssignExpr * tupleExpr );
79 virtual void visit( UntypedTupleExpr *tupleExpr );
80 virtual void visit( TupleExpr *tupleExpr );
81 virtual void visit( TupleIndexExpr * tupleExpr );
82 virtual void visit( TypeExpr *typeExpr );
83 virtual void visit( AsmExpr * );
84 virtual void visit( StmtExpr * );
85
86 //*** Statements
87 virtual void visit( CompoundStmt * );
88 virtual void visit( ExprStmt * );
89 virtual void visit( AsmStmt * );
90 virtual void visit( AsmDecl * ); // special: statement in declaration context
91 virtual void visit( IfStmt * );
92 virtual void visit( SwitchStmt * );
93 virtual void visit( CaseStmt * );
94 virtual void visit( BranchStmt * );
95 virtual void visit( ReturnStmt * );
96 virtual void visit( ThrowStmt * );
97 virtual void visit( WhileStmt * );
98 virtual void visit( ForStmt * );
99 virtual void visit( NullStmt * );
100 virtual void visit( DeclStmt * );
101
102 void genAttributes( std::list< Attribute * > & attributes );
103
104 template< class Iterator > void genCommaList( Iterator begin, Iterator end );
105
106 struct LabelPrinter {
107 LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {}
108 LabelPrinter & operator()( std::list< Label > & l );
109 CodeGenerator & cg;
110 std::list< Label > * labels;
111 };
112
113 void asmName( DeclarationWithType *decl );
114
115 void extension( Expression *expr );
116 void extension( Declaration *decl );
117
118 void updateLocation( BaseSyntaxNode const * to );
119 private:
120 Indenter indent;
121 bool insideFunction;
122 std::ostream &output;
123 LabelPrinter printLabels;
124 bool pretty = false; // pretty print
125 bool genC = false; // true if output has to be C code
126 bool lineMarks = false;
127
128 CodeLocation currentLocation;
129 void updateLocation( CodeLocation const & to );
130 void nextLine();
131
132 void handleStorageClass( DeclarationWithType *decl );
133 void handleAggregate( AggregateDecl *aggDecl, const std::string & kind );
134 void handleTypedef( NamedTypeDecl *namedType );
135 std::string mangleName( DeclarationWithType * decl );
136 }; // CodeGenerator
137
138 template< class Iterator >
139 void CodeGenerator::genCommaList( Iterator begin, Iterator end ) {
140 if ( begin == end ) return;
141 for ( ;; ) {
142 (*begin++)->accept( *this );
143 if ( begin == end ) break;
144 output << ", "; // separator
145 } // for
146 } // genCommaList
147
148 inline bool doSemicolon( Declaration* decl ) {
149 if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) {
150 return ! func->get_statements();
151 } // if
152 return true;
153 } // doSemicolon
154
155 /// returns C-compatible name of declaration
156 std::string genName( DeclarationWithType * decl );
157} // namespace CodeGen
158
159// Local Variables: //
160// tab-width: 4 //
161// mode: c++ //
162// compile-command: "make install" //
163// End: //
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