source: src/GenPoly/ScrubTyVars.cc@ 4389966

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors ctor deferred_resn demangler enum forall-pointer-decay gc_noraii jacob/cs343-translation jenkins-sandbox memory new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new string with_gc
Last change on this file since 4389966 was 78dd0da, checked in by Aaron Moss <a3moss@…>, 10 years ago

Switched size/align parameters over to use SymTab::Mangler in preparation for addition of generic types

  • Property mode set to 100644
File size: 2.7 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// ScrubTyVars.cc --
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 : Tue May 19 16:42:42 2015
13// Update Count : 2
14//
15
16#include <sstream>
17#include <string>
18
19#include "GenPoly.h"
20#include "ScrubTyVars.h"
21
22#include "SymTab/Mangler.h"
23
24#include "SynTree/Mutator.h"
25#include "SynTree/Type.h"
26#include "SynTree/Expression.h"
27
28namespace GenPoly {
29 Type * ScrubTyVars::mutate( TypeInstType *typeInst ) {
30 TyVarMap::const_iterator tyVar = tyVars.find( typeInst->get_name() );
31 if ( doAll || tyVar != tyVars.end() ) {
32 switch ( tyVar->second ) {
33 case TypeDecl::Any:
34 case TypeDecl::Dtype:
35 {
36 PointerType *ret = new PointerType( Type::Qualifiers(), new VoidType( typeInst->get_qualifiers() ) );
37 delete typeInst;
38 return ret;
39 }
40 case TypeDecl::Ftype:
41 delete typeInst;
42 return new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) );
43 } // switch
44 } // if
45 return typeInst;
46 }
47
48 Expression * ScrubTyVars::mutate( SizeofExpr *szeof ) {
49 // sizeof( T ) => _sizeof_T parameter, which is the size of T
50 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( szeof->get_type() ) ) {
51 Expression *expr = new NameExpr( sizeofName( typeInst ) );
52 return expr;
53 } else {
54 return Mutator::mutate( szeof );
55 } // if
56 }
57
58 Expression * ScrubTyVars::mutate( AlignofExpr *algnof ) {
59 // alignof( T ) => _alignof_T parameter, which is the alignment of T
60 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( algnof->get_type() ) ) {
61 Expression *expr = new NameExpr( alignofName( typeInst ) );
62 return expr;
63 } else {
64 return Mutator::mutate( algnof );
65 } // if
66 }
67
68 Type * ScrubTyVars::mutate( PointerType *pointer ) {
69 if ( TypeInstType *typeInst = dynamic_cast< TypeInstType * >( pointer->get_base() ) ) {
70 if ( doAll || tyVars.find( typeInst->get_name() ) != tyVars.end() ) {
71 Type *ret = mutate( typeInst );
72 ret->get_qualifiers() += pointer->get_qualifiers();
73 pointer->set_base( 0 );
74 delete pointer;
75 return ret;
76 } // if
77 } // if
78 return Mutator::mutate( pointer );
79 }
80
81 std::string sizeofName( Type *ty ) {
82 return std::string( "_sizeof_" ) + SymTab::Mangler::mangle( ty, false, false );
83 }
84
85 std::string alignofName( Type *ty ) {
86 return std::string( "_alignof_" ) + SymTab::Mangler::mangle( ty, false, false );
87 }
88} // namespace GenPoly
89
90// Local Variables: //
91// tab-width: 4 //
92// mode: c++ //
93// compile-command: "make install" //
94// End: //
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