blob: dbe9715d7ebae43acb806b4329b57e9d4ad42dad (
plain) (
blame)
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
|
/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian <c@ethdev.com>
* @date 2014
* Scope - object that holds declaration of names.
*/
#include <libsolidity/DeclarationContainer.h>
#include <libsolidity/AST.h>
#include <libsolidity/Types.h>
using namespace std;
using namespace dev;
using namespace dev::solidity;
Declaration const* DeclarationContainer::conflictingDeclaration(Declaration const& _declaration) const
{
ASTString const& declarationName(_declaration.name());
solAssert(!declarationName.empty(), "");
vector<Declaration const*> declarations;
if (m_declarations.count(declarationName))
declarations += m_declarations.at(declarationName);
if (m_invisibleDeclarations.count(declarationName))
declarations += m_invisibleDeclarations.at(declarationName);
if (dynamic_cast<FunctionDefinition const*>(&_declaration))
{
// check that all other declarations with the same name are functions
for (Declaration const* declaration: declarations)
if (!dynamic_cast<FunctionDefinition const*>(declaration))
return declaration;
}
else if (!declarations.empty())
return declarations.front();
return nullptr;
}
bool DeclarationContainer::registerDeclaration(Declaration const& _declaration, bool _invisible, bool _update)
{
ASTString const& declarationName(_declaration.name());
if (declarationName.empty())
return true;
if (_update)
{
solAssert(!dynamic_cast<FunctionDefinition const*>(&_declaration), "Attempt to update function definition.");
m_declarations.erase(declarationName);
m_invisibleDeclarations.erase(declarationName);
}
else if (conflictingDeclaration(_declaration))
return false;
if (_invisible)
m_invisibleDeclarations[declarationName].push_back(&_declaration);
else
m_declarations[declarationName].push_back(&_declaration);
return true;
}
std::vector<Declaration const*> DeclarationContainer::resolveName(ASTString const& _name, bool _recursive) const
{
solAssert(!_name.empty(), "Attempt to resolve empty name.");
auto result = m_declarations.find(_name);
if (result != m_declarations.end())
return result->second;
if (_recursive && m_enclosingContainer)
return m_enclosingContainer->resolveName(_name, true);
return vector<Declaration const*>({});
}
|
