| 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 "SynTree/Mutator.h"
|
|---|
| 23 | #include "SynTree/Type.h"
|
|---|
| 24 | #include "SynTree/Expression.h"
|
|---|
| 25 |
|
|---|
| 26 | namespace GenPoly {
|
|---|
| 27 | Type * ScrubTyVars::mutate( TypeInstType *typeInst ) {
|
|---|
| 28 | TyVarMap::const_iterator tyVar = tyVars.find( typeInst->get_name() );
|
|---|
| 29 | if ( tyVar != tyVars.end() ) {
|
|---|
| 30 | switch ( tyVar->second ) {
|
|---|
| 31 | case TypeDecl::Any:
|
|---|
| 32 | case TypeDecl::Dtype:
|
|---|
| 33 | {
|
|---|
| 34 | PointerType *ret = new PointerType( Type::Qualifiers(), new VoidType( typeInst->get_qualifiers() ) );
|
|---|
| 35 | delete typeInst;
|
|---|
| 36 | return ret;
|
|---|
| 37 | }
|
|---|
| 38 | case TypeDecl::Ftype:
|
|---|
| 39 | delete typeInst;
|
|---|
| 40 | return new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) );
|
|---|
| 41 | } // switch
|
|---|
| 42 | } // if
|
|---|
| 43 | return typeInst;
|
|---|
| 44 | }
|
|---|
| 45 |
|
|---|
| 46 | Type * ScrubTyVars::mutateAggregateType( Type *ty ) {
|
|---|
| 47 | if ( shouldScrub( ty ) ) {
|
|---|
| 48 | PointerType *ret = new PointerType( Type::Qualifiers(), new VoidType( ty->get_qualifiers() ) );
|
|---|
| 49 | delete ty;
|
|---|
| 50 | return ret;
|
|---|
| 51 | }
|
|---|
| 52 | return ty;
|
|---|
| 53 | }
|
|---|
| 54 |
|
|---|
| 55 | Type * ScrubTyVars::mutate( StructInstType *structInst ) {
|
|---|
| 56 | return mutateAggregateType( structInst );
|
|---|
| 57 | }
|
|---|
| 58 |
|
|---|
| 59 | Type * ScrubTyVars::mutate( UnionInstType *unionInst ) {
|
|---|
| 60 | return mutateAggregateType( unionInst );
|
|---|
| 61 | }
|
|---|
| 62 |
|
|---|
| 63 | Expression * ScrubTyVars::mutate( SizeofExpr *szeof ) {
|
|---|
| 64 | // sizeof( T ) => _sizeof_T parameter, which is the size of T
|
|---|
| 65 | if ( Type *dynType = shouldScrub( szeof->get_type() ) ) {
|
|---|
| 66 | Expression *expr = new NameExpr( sizeofName( mangleType( dynType ) ) );
|
|---|
| 67 | return expr;
|
|---|
| 68 | } else {
|
|---|
| 69 | return Mutator::mutate( szeof );
|
|---|
| 70 | } // if
|
|---|
| 71 | }
|
|---|
| 72 |
|
|---|
| 73 | Expression * ScrubTyVars::mutate( AlignofExpr *algnof ) {
|
|---|
| 74 | // alignof( T ) => _alignof_T parameter, which is the alignment of T
|
|---|
| 75 | if ( Type *dynType = shouldScrub( algnof->get_type() ) ) {
|
|---|
| 76 | Expression *expr = new NameExpr( alignofName( mangleType( dynType ) ) );
|
|---|
| 77 | return expr;
|
|---|
| 78 | } else {
|
|---|
| 79 | return Mutator::mutate( algnof );
|
|---|
| 80 | } // if
|
|---|
| 81 | }
|
|---|
| 82 |
|
|---|
| 83 | Type * ScrubTyVars::mutate( PointerType *pointer ) {
|
|---|
| 84 | // // special case of shouldScrub that takes all TypeInstType pointer bases, even if they're not dynamic
|
|---|
| 85 | // Type *base = pointer->get_base();
|
|---|
| 86 | // Type *dynType = 0;
|
|---|
| 87 | // if ( dynamicOnly ) {
|
|---|
| 88 | // if ( TypeInstType *typeInst = dynamic_cast< TypeInstType* >( base ) ) {
|
|---|
| 89 | // if ( tyVars.find( typeInst->get_name() ) != tyVars.end() ) { dynType = typeInst; }
|
|---|
| 90 | // } else {
|
|---|
| 91 | // dynType = isDynType( base, tyVars );
|
|---|
| 92 | // }
|
|---|
| 93 | // } else {
|
|---|
| 94 | // dynType = isPolyType( base, tyVars );
|
|---|
| 95 | // }
|
|---|
| 96 | // if ( dynType ) {
|
|---|
| 97 | if ( Type *dynType = shouldScrub( pointer->get_base() ) ) {
|
|---|
| 98 | Type *ret = dynType->acceptMutator( *this );
|
|---|
| 99 | ret->get_qualifiers() += pointer->get_qualifiers();
|
|---|
| 100 | pointer->set_base( 0 );
|
|---|
| 101 | delete pointer;
|
|---|
| 102 | return ret;
|
|---|
| 103 | }
|
|---|
| 104 | return Mutator::mutate( pointer );
|
|---|
| 105 | }
|
|---|
| 106 | } // namespace GenPoly
|
|---|
| 107 |
|
|---|
| 108 | // Local Variables: //
|
|---|
| 109 | // tab-width: 4 //
|
|---|
| 110 | // mode: c++ //
|
|---|
| 111 | // compile-command: "make install" //
|
|---|
| 112 | // End: //
|
|---|
