-
Notifications
You must be signed in to change notification settings - Fork 0
/
cfg_builder.hpp
80 lines (64 loc) · 1.95 KB
/
cfg_builder.hpp
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
#ifndef CPPPARSER_CFG_BUILDER_HPP
#define CPPPARSER_CFG_BUILDER_HPP
#include "cfg.hpp"
#include "unit_navigator.hpp"
#include "util.hpp"
#include <clang/AST/Decl.h>
#include <string>
#include <utility>
struct default_build_visitor
{
bool function_started(std::string const &) {}
void statement_visited(clang::Stmt const *) {}
void function_completed(std::string const &, cfg const &) {}
};
namespace detail {
struct build_cfg_visitor_base
{
virtual void statement_visited(clang::Stmt const * stmt) = 0;
};
template <typename Visitor>
struct build_cfg_visitor : build_cfg_visitor_base
{
build_cfg_visitor(Visitor const & visitor)
: m_visitor(visitor)
{
}
void statement_visited(clang::Stmt const * stmt)
{
m_visitor.statement_visited(stmt);
}
Visitor m_visitor;
};
void build_cfg(program & p, cfg & c, name_mangler & nm, clang::FunctionDecl const * fn, clang::SourceManager const & sm,
filename_store & fnames, build_cfg_visitor_base & visitor, std::string const & static_prefix);
}
template <typename Visitor>
program build_program(unit_navigator const & un, clang::SourceManager const & sm,
Visitor visitor, std::string const & static_prefix)
{
program res;
res.vfn_map(un.vfn_map());
res.vfn_param_counts(un.vfn_param_counts());
for (unit_navigator::fns_const_iterator it = un.fns_begin(); it != un.fns_end(); ++it)
{
clang::FunctionDecl const * fn = *it;
if (!fn->hasBody())
continue;
std::string const & fnname = un.nm().make_decl_name(fn, static_prefix);
if (!visitor.function_started(fnname))
continue;
cfg c;
detail::build_cfg_visitor<Visitor> cfg_visitor(visitor);
build_cfg(res, c, un.nm(), fn, sm, res.fnames(), cfg_visitor, static_prefix);
visitor.function_completed(fnname, c);
res.add_cfg(fnname, c);
}
return res;
}
inline program build_program(unit_navigator const & un,
clang::SourceManager const & sm, std::string const & static_prefix)
{
return build_program(un, sm, default_build_visitor(), static_prefix);
}
#endif