source: src/AST/GenericSubstitution.cpp @ d8938622

arm-ehcleanup-dtorsjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-expr
Last change on this file since d8938622 was d8938622, checked in by Aaron Moss <a3moss@…>, 3 years ago

Broken GenericSubstitution? version

  • Property mode set to 100644
File size: 1.6 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// GenericSubstitution.cpp --
8//
9// Author           : Aaron B. Moss
10// Created On       : Wed May 22 14:15:00 2019
11// Last Modified By : Aaron B. Moss
12// Created On       : Wed May 22 14:15:00 2019
13// Update Count     : 1
14//
15
16#include "GenericSubstitution.hpp"
17
18#include <cassert>
19#include <utility>               // for move
20
21#include "Decl.hpp"
22#include "Node.hpp"              // for maybe_accept
23#include "Pass.hpp"
24#include "Type.hpp"
25#include "TypeSubstitution.cpp"
26
27namespace ast {
28
29namespace {
30        struct GenericSubstitutionBuilder : public WithShortCircuiting {
31                TypeSubstitution sub;
32
33                void previsit( const Type * ty ) {
34                        assertf( false, "Attempted generic substitution for non-aggregate type: %s", 
35                                toString( ty ).c_str() );
36                }
37
38                void previsit( const ReferenceType * ) {
39                        // do nothing; allows substitution from base type
40                }
41
42                void previsit( const ReferenceToType * ty ) {
43                        // build substitution from base parameters
44                        const AggregateDecl * aggr = ty->aggr();
45                        sub = TypeSubstitution{ aggr->params.begin(), aggr->params.end(), ty->params.begin() };
46                        visit_children = false;
47                }
48        };
49}
50
51TypeSubstitution genericSubsitution( const Type * ty ) {
52        Pass<GenericSubstitutionBuilder> builder;
53        maybe_accept( ty, builder );
54        return std::move(builder.pass.sub);
55}
56
57}
58
59// Local Variables: //
60// tab-width: 4 //
61// mode: c++ //
62// compile-command: "make install" //
63// End: //
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