source: src/CodeGen/CodeGenerator.h@ fd6d74e

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 fd6d74e was e994912, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

code generation for external asm statement (declaration)
  • Property mode set to 100644
File size: 4.9 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 : Peter A. Buhr
12// Last Modified On : Thu Feb 9 15:06:21 2017
13// Update Count : 49
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
27namespace CodeGen {
28 class CodeGenerator : public Visitor {
29 public:
30 static int tabsize;
31
32 CodeGenerator( std::ostream &os, bool pretty = 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( SingleInit * );
48 virtual void visit( ListInit * );
49 virtual void visit( ConstructorInit * );
50
51 //*** Constant
52 virtual void visit( Constant * );
53
54 //*** Expression
55 virtual void visit( ApplicationExpr *applicationExpr );
56 virtual void visit( UntypedExpr *untypedExpr );
57 virtual void visit( RangeExpr * rangeExpr );
58 virtual void visit( NameExpr *nameExpr );
59 virtual void visit( AddressExpr *addressExpr );
60 virtual void visit( CastExpr *castExpr );
61 virtual void visit( UntypedMemberExpr *memberExpr );
62 virtual void visit( MemberExpr *memberExpr );
63 virtual void visit( VariableExpr *variableExpr );
64 virtual void visit( ConstantExpr *constantExpr );
65 virtual void visit( SizeofExpr *sizeofExpr );
66 virtual void visit( AlignofExpr *alignofExpr );
67 virtual void visit( UntypedOffsetofExpr *offsetofExpr );
68 virtual void visit( OffsetofExpr *offsetofExpr );
69 virtual void visit( OffsetPackExpr *offsetPackExpr );
70 virtual void visit( LogicalExpr *logicalExpr );
71 virtual void visit( ConditionalExpr *conditionalExpr );
72 virtual void visit( CommaExpr *commaExpr );
73 virtual void visit( CompoundLiteralExpr *compLitExpr );
74 virtual void visit( UntypedTupleExpr *tupleExpr );
75 virtual void visit( TupleExpr *tupleExpr );
76 virtual void visit( TypeExpr *typeExpr );
77 virtual void visit( AsmExpr * );
78 virtual void visit( StmtExpr * );
79
80 //*** Statements
81 virtual void visit( CompoundStmt * );
82 virtual void visit( ExprStmt * );
83 virtual void visit( AsmStmt * );
84 virtual void visit( AsmDecl * ); // special: statement in declaration context
85 virtual void visit( IfStmt * );
86 virtual void visit( SwitchStmt * );
87 virtual void visit( CaseStmt * );
88 virtual void visit( BranchStmt * );
89 virtual void visit( ReturnStmt * );
90 virtual void visit( WhileStmt * );
91 virtual void visit( ForStmt * );
92 virtual void visit( NullStmt * );
93 virtual void visit( DeclStmt * );
94
95 void genAttributes( std::list< Attribute * > & attributes );
96
97 template< class Iterator > void genCommaList( Iterator begin, Iterator end );
98
99 struct Indenter {
100 Indenter(CodeGenerator &cg) : cg(cg) {}
101 CodeGenerator & cg;
102 std::ostream& operator()(std::ostream & os) const;
103 };
104
105 struct LabelPrinter {
106 LabelPrinter(CodeGenerator &cg) : cg(cg), labels( 0 ) {}
107 LabelPrinter & operator()( std::list< Label > & l );
108 CodeGenerator & cg;
109 std::list< Label > * labels;
110 };
111
112 void asmName( DeclarationWithType *decl );
113
114 void extension( Expression *expr );
115 void extension( Declaration *decl );
116 private:
117 Indenter indent;
118 int cur_indent;
119 bool insideFunction;
120 std::ostream &output;
121 LabelPrinter printLabels;
122 bool pretty = false; // pretty print
123
124 void printDesignators( std::list< Expression * > & );
125 void handleStorageClass( Declaration *decl );
126 void handleAggregate( AggregateDecl *aggDecl );
127 void handleTypedef( NamedTypeDecl *namedType );
128 std::string mangleName( DeclarationWithType * decl );
129 }; // CodeGenerator
130
131 template< class Iterator >
132 void CodeGenerator::genCommaList( Iterator begin, Iterator end ) {
133 if ( begin == end ) return;
134 for ( ;; ) {
135 (*begin++)->accept( *this );
136 if ( begin == end ) break;
137 output << ", "; // separator
138 } // for
139 } // genCommaList
140
141 inline bool doSemicolon( Declaration* decl ) {
142 if ( FunctionDecl* func = dynamic_cast< FunctionDecl* >( decl ) ) {
143 return ! func->get_statements();
144 } // if
145 return true;
146 } // doSemicolon
147
148 /// returns C-compatible name of declaration
149 std::string genName( DeclarationWithType * decl );
150} // namespace CodeGen
151
152#endif // CODEGENV_H
153
154// Local Variables: //
155// tab-width: 4 //
156// mode: c++ //
157// compile-command: "make install" //
158// End: //
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