source: src/AST/Type.cpp @ 98e8b3b

arm-ehjacob/cs343-translationnew-ast-unique-expr
Last change on this file since 98e8b3b was 98e8b3b, checked in by Andrew Beach <ajbeach@…>, 15 months ago

ast::ReferenceToType? is now ast::BaseInstType?.

  • Property mode set to 100644
File size: 6.1 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// Type.cpp --
8//
9// Author           : Aaron B. Moss
10// Created On       : Mon May 13 15:00:00 2019
11// Last Modified By : Andrew Beach
12// Last Modified On : Thu Jul 23 14:16:00 2020
13// Update Count     : 5
14//
15
16#include "Type.hpp"
17
18#include <cassert>
19#include <utility>               // for move
20#include <vector>
21
22#include "Decl.hpp"
23#include "ForallSubstitutor.hpp" // for substituteForall
24#include "Init.hpp"
25#include "Common/utility.h"      // for copy, move
26#include "InitTweak/InitTweak.h" // for getPointerBase
27#include "Tuples/Tuples.h"       // for isTtype
28
29namespace ast {
30
31const Type * Type::getComponent( unsigned i ) const {
32        assertf( size() == 1 && i == 0, "Type::getComponent was called with size %d and index %d\n", size(), i );
33        return this;
34}
35
36const Type * Type::stripDeclarator() const {
37        const Type * t;
38        const Type * a;
39        for ( t = this; (a = InitTweak::getPointerBase( t )); t = a );
40        return t;
41}
42
43const Type * Type::stripReferences() const {
44        const Type * t;
45        const ReferenceType * r;
46        for ( t = this; (r = dynamic_cast<const ReferenceType *>(t) ); t = r->base );
47        return t;
48}
49
50// --- BasicType
51
52// GENERATED START, DO NOT EDIT
53// GENERATED BY BasicTypes-gen.cc
54const char * BasicType::typeNames[] = {
55        "_Bool",
56        "char",
57        "signed char",
58        "unsigned char",
59        "signed short int",
60        "unsigned short int",
61        "signed int",
62        "unsigned int",
63        "signed long int",
64        "unsigned long int",
65        "signed long long int",
66        "unsigned long long int",
67        "__int128",
68        "unsigned __int128",
69        "_Float16",
70        "_Float16 _Complex",
71        "_Float32",
72        "_Float32 _Complex",
73        "float",
74        "float _Complex",
75        "_Float32x",
76        "_Float32x _Complex",
77        "_Float64",
78        "_Float64 _Complex",
79        "double",
80        "double _Complex",
81        "_Float64x",
82        "_Float64x _Complex",
83        "__float80",
84        "_Float128",
85        "_Float128 _Complex",
86        "__float128",
87        "long double",
88        "long double _Complex",
89        "_Float128x",
90        "_Float128x _Complex",
91};
92// GENERATED END
93
94// --- ParameterizedType
95
96void ParameterizedType::initWithSub(
97        const ParameterizedType & o, Pass< ForallSubstitutor > & sub
98) {
99        forall = sub.core( o.forall );
100}
101
102// --- FunctionType
103
104FunctionType::FunctionType( const FunctionType & o )
105: ParameterizedType( o.qualifiers, copy( o.attributes ) ), returns(), params(),
106  isVarArgs( o.isVarArgs ) {
107        Pass< ForallSubstitutor > sub;
108        initWithSub( o, sub );           // initialize substitution map
109        returns = sub.core( o.returns ); // apply to return and parameter types
110        params = sub.core( o.params );
111}
112
113namespace {
114        bool containsTtype( const std::vector<ptr<DeclWithType>> & l ) {
115                if ( ! l.empty() ) {
116                        return Tuples::isTtype( l.back()->get_type() );
117                }
118                return false;
119        }
120}
121
122bool FunctionType::isTtype() const {
123        return containsTtype( returns ) || containsTtype( params );
124}
125
126// --- BaseInstType
127
128void BaseInstType::initWithSub( const BaseInstType & o, Pass< ForallSubstitutor > & sub ) {
129        ParameterizedType::initWithSub( o, sub ); // initialize substitution
130        params = sub.core( o.params );            // apply to parameters
131}
132
133BaseInstType::BaseInstType( const BaseInstType & o )
134: ParameterizedType( o.qualifiers, copy( o.attributes ) ), params(), name( o.name ), 
135  hoistType( o.hoistType ) {
136        Pass< ForallSubstitutor > sub;
137        initWithSub( o, sub );
138}
139
140std::vector<readonly<Decl>> BaseInstType::lookup( const std::string& name ) const {
141        assertf( aggr(), "Must have aggregate to perform lookup" );
142
143        std::vector<readonly<Decl>> found;
144        for ( const Decl * decl : aggr()->members ) {
145                if ( decl->name == name ) { found.emplace_back( decl ); }
146        }
147        return found;
148}
149
150// --- SueInstType (StructInstType, UnionInstType, EnumInstType)
151
152template<typename decl_t>
153SueInstType<decl_t>::SueInstType(
154        const decl_t * b, CV::Qualifiers q, std::vector<ptr<Attribute>>&& as )
155: BaseInstType( b->name, q, move(as) ), base( b ) {}
156
157template<typename decl_t>
158bool SueInstType<decl_t>::isComplete() const {
159        return base ? base->body : false;
160}
161
162template class SueInstType<StructDecl>;
163template class SueInstType<UnionDecl>;
164template class SueInstType<EnumDecl>;
165
166// --- TraitInstType
167
168TraitInstType::TraitInstType(
169        const TraitDecl * b, CV::Qualifiers q, std::vector<ptr<Attribute>>&& as )
170: BaseInstType( b->name, q, move(as) ), base( b ) {}
171
172// --- TypeInstType
173
174TypeInstType::TypeInstType( const TypeInstType & o )
175: BaseInstType( o.name, o.qualifiers, copy( o.attributes ) ), base(), kind( o.kind ) {
176        Pass< ForallSubstitutor > sub;
177        initWithSub( o, sub );      // initialize substitution
178        base = sub.core( o.base );  // apply to base type
179}
180
181void TypeInstType::set_base( const TypeDecl * b ) {
182        base = b;
183        kind = b->kind;
184}
185
186bool TypeInstType::isComplete() const { return base->sized; }
187
188// --- TupleType
189
190TupleType::TupleType( std::vector<ptr<Type>> && ts, CV::Qualifiers q )
191: Type( q ), types( move(ts) ), members() {
192        // This constructor is awkward. `TupleType` needs to contain objects so that members can be
193        // named, but members without initializer nodes end up getting constructors, which breaks
194        // things. This happens because the object decls have to be visited so that their types are
195        // kept in sync with the types listed here. Ultimately, the types listed here should perhaps
196        // be eliminated and replaced with a list-view over members. The temporary solution is to
197        // make a `ListInit` with `maybeConstructed = false`, so when the object is visited it is not
198        // constructed. Potential better solutions include:
199        //   a) Separate `TupleType` from its declarations, into `TupleDecl` and `Tuple{Inst?}Type`,
200        //      similar to the aggregate types.
201        //   b) Separate initializer nodes better, e.g. add a `MaybeConstructed` node that is replaced
202        //      by `genInit`, rather than the current boolean flag.
203        members.reserve( types.size() );
204        for ( const Type * ty : types ) {
205                members.emplace_back( new ObjectDecl{
206                        CodeLocation{}, "", ty, new ListInit( CodeLocation{}, {}, {}, MaybeConstruct ),
207                        Storage::Classes{}, Linkage::Cforall } );
208        }
209}
210
211}
212
213// Local Variables: //
214// tab-width: 4 //
215// mode: c++ //
216// compile-command: "make install" //
217// End: //
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