source: src/CodeGen/CodeGenerator.h@ a724ac1

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 a724ac1 was daf1af8, checked in by Andrew Beach <ajbeach@…>, 8 years ago

Added a new ThrowStmt node to the Syntax Tree.
  • Property mode set to 100644
File size: 5.4 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 : Thu Jun 8 15:48:00 2017
13// Update Count : 52
14//
15
16#ifndef CODEGENV_H
17#define CODEGENV_H
18
19#include <list>
20
21#include "SynTree/Declaration.h"
22#include "SynTree/SynTree.h"
23#include "SynTree/Visitor.h"
24
25#include "SymTab/Indexer.h"
26
27#include "Common/utility.h"
28
29namespace CodeGen {
30 class CodeGenerator : public Visitor {
31 public:
32 static int tabsize;
33
34 CodeGenerator( std::ostream &os, bool pretty = false, bool genC = false, bool lineMarks = false );
35 CodeGenerator( std::ostream &os, std::string, int indent = 0, bool infun = false );
36 CodeGenerator( std::ostream &os, char *, int indent = 0, bool infun = false );
37
38 //*** Declaration
39 virtual void visit( StructDecl * );
40 virtual void visit( FunctionDecl * );
41 virtual void visit( ObjectDecl * );
42 virtual void visit( UnionDecl *aggregateDecl );
43 virtual void visit( EnumDecl *aggregateDecl );
44 virtual void visit( TraitDecl *aggregateDecl );
45 virtual void visit( TypedefDecl *typeDecl );
46 virtual void visit( TypeDecl *typeDecl );
47
48 //*** Initializer
49 virtual void visit( SingleInit * );
50 virtual void visit( ListInit * );
51 virtual void visit( ConstructorInit * );
52
53 //*** Constant
54 virtual void visit( Constant * );
55
56 //*** Expression
57 virtual void visit( ApplicationExpr *applicationExpr );
58 virtual void visit( UntypedExpr *untypedExpr );
59 virtual void visit( RangeExpr * rangeExpr );
60 virtual void visit( NameExpr *nameExpr );
61 virtual void visit( AddressExpr *addressExpr );
62 virtual void visit( CastExpr *castExpr );
63 virtual void visit( UntypedMemberExpr *memberExpr );
64 virtual void visit( MemberExpr *memberExpr );
65 virtual void visit( VariableExpr *variableExpr );
66 virtual void visit( ConstantExpr *constantExpr );
67 virtual void visit( SizeofExpr *sizeofExpr );
68 virtual void visit( AlignofExpr *alignofExpr );
69 virtual void visit( UntypedOffsetofExpr *offsetofExpr );
70 virtual void visit( OffsetofExpr *offsetofExpr );
71 virtual void visit( OffsetPackExpr *offsetPackExpr );
72 virtual void visit( LogicalExpr *logicalExpr );
73 virtual void visit( ConditionalExpr *conditionalExpr );
74 virtual void visit( CommaExpr *commaExpr );
75 virtual void visit( CompoundLiteralExpr *compLitExpr );
76 virtual void visit( UntypedTupleExpr *tupleExpr );
77 virtual void visit( TupleExpr *tupleExpr );
78 virtual void visit( TupleIndexExpr * tupleExpr );
79 virtual void visit( TypeExpr *typeExpr );
80 virtual void visit( AsmExpr * );
81 virtual void visit( StmtExpr * );
82
83 //*** Statements
84 virtual void visit( CompoundStmt * );
85 virtual void visit( ExprStmt * );
86 virtual void visit( AsmStmt * );
87 virtual void visit( AsmDecl * ); // special: statement in declaration context
88 virtual void visit( IfStmt * );
89 virtual void visit( SwitchStmt * );
90 virtual void visit( CaseStmt * );
91 virtual void visit( BranchStmt * );
92 virtual void visit( ReturnStmt * );
93 virtual void visit( ThrowStmt * );
94 virtual void visit( WhileStmt * );
95 virtual void visit( ForStmt * );
96 virtual void visit( NullStmt * );
97 virtual void visit( DeclStmt * );
98
99 void genAttributes( std::list< Attribute * > & attributes );
100
101 template< class Iterator > void genCommaList( Iterator begin, Iterator end );
102
103 struct Indenter {
104 Indenter(CodeGenerator &cg) : cg(cg) {}
105 CodeGenerator & cg;
106 std::ostream& operator()(std::ostream & os) const;
107 };
108
109 struct LabelPrinter {
110 LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {}
111 LabelPrinter & operator()( std::list< Label > & l );
112 CodeGenerator & cg;
113 std::list< Label > * labels;
114 };
115
116 struct LineMarker {
117 CodeLocation const & loc;
118 bool toPrint;
119
120 LineMarker(CodeLocation const & loc, bool toPrint);
121 };
122
123 LineMarker lineDirective(BaseSyntaxNode const * node);
124
125 void asmName( DeclarationWithType *decl );
126
127 void extension( Expression *expr );
128 void extension( Declaration *decl );
129 private:
130 Indenter indent;
131 int cur_indent;
132 bool insideFunction;
133 std::ostream &output;
134 LabelPrinter printLabels;
135 bool pretty = false; // pretty print
136 bool genC = false; // true if output has to be C code
137 bool lineMarks = false;
138
139 void printDesignators( std::list< Expression * > & );
140 void handleStorageClass( DeclarationWithType *decl );
141 void handleAggregate( AggregateDecl *aggDecl, const std::string & kind );
142 void handleTypedef( NamedTypeDecl *namedType );
143 std::string mangleName( DeclarationWithType * decl );
144 }; // CodeGenerator
145
146 template< class Iterator >
147 void CodeGenerator::genCommaList( Iterator begin, Iterator end ) {
148 if ( begin == end ) return;
149 for ( ;; ) {
150 (*begin++)->accept( *this );
151 if ( begin == end ) break;
152 output << ", "; // separator
153 } // for
154 } // genCommaList
155
156 inline bool doSemicolon( Declaration* decl ) {
157 if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) {
158 return ! func->get_statements();
159 } // if
160 return true;
161 } // doSemicolon
162
163 /// returns C-compatible name of declaration
164 std::string genName( DeclarationWithType * decl );
165
166 std::ostream & operator<<(std::ostream &,
167 CodeGenerator::LineMarker const &);
168} // namespace CodeGen
169
170#endif // CODEGENV_H
171
172// Local Variables: //
173// tab-width: 4 //
174// mode: c++ //
175// compile-command: "make install" //
176// End: //
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