1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
*/
#pragma once
#include <hir/hir.hpp>
namespace HIR {
class PathChain
{
const PathChain* prev;
public:
const ::std::string& name;
PathChain(const PathChain& prev, const ::std::string& name):
prev(&prev),
name(name)
{}
PathChain(const ::std::string& name):
prev(nullptr),
name(name)
{}
PathChain operator+(const ::std::string& name) const {
return PathChain(*this, name);
}
::HIR::SimplePath to_path() const {
if( prev ) {
return prev->to_path() + name;
}
else {
if( name != "" ) {
return ::HIR::SimplePath("", {name});
}
else {
return ::HIR::SimplePath("", {});
}
}
}
friend ::std::ostream& operator<<(::std::ostream& os, const PathChain& x) {
if( x.prev )
os << *x.prev << "::";
os << x.name;
return os;
}
};
class Visitor
{
public:
virtual ~Visitor();
virtual void visit_crate(::HIR::Crate& crate);
virtual void visit_module(PathChain p, ::HIR::Module& mod);
virtual void visit_type_impl(::HIR::TypeImpl& impl);
virtual void visit_trait_impl(const ::HIR::SimplePath& trait_path, ::HIR::TraitImpl& impl);
virtual void visit_marker_impl(const ::HIR::SimplePath& trait_path, ::HIR::MarkerImpl& impl);
// - Type Items
virtual void visit_type_alias(PathChain p, ::HIR::TypeAlias& item);
virtual void visit_trait(PathChain p, ::HIR::Trait& item);
virtual void visit_struct(PathChain p, ::HIR::Struct& item);
virtual void visit_enum(PathChain p, ::HIR::Enum& item);
// - Value Items
virtual void visit_function(PathChain p, ::HIR::Function& item);
virtual void visit_static(PathChain p, ::HIR::Static& item);
virtual void visit_constant(PathChain p, ::HIR::Constant& item);
// - Misc
virtual void visit_params(::HIR::GenericParams& params);
virtual void visit_pattern(::HIR::Pattern& pat);
virtual void visit_pattern_val(::HIR::Pattern::Value& val);
virtual void visit_type(::HIR::TypeRef& tr);
enum class PathContext {
TYPE,
TRAIT,
VALUE,
};
virtual void visit_trait_path(::HIR::TraitPath& p);
virtual void visit_path(::HIR::Path& p, PathContext );
virtual void visit_path_params(::HIR::PathParams& p);
virtual void visit_generic_path(::HIR::GenericPath& p, PathContext );
virtual void visit_expr(::HIR::ExprPtr& exp);
};
} // namespace HIR
|
