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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
// Copyright 2006-2012, the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Modifications as part of solidity under the following license:
//
// solidity 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.
//
// solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
#include <liblangutil/Token.h>
#include <boost/range/iterator_range.hpp>
#include <map>
using namespace std;
namespace langutil
{
void ElementaryTypeNameToken::assertDetails(Token _baseType, unsigned const& _first, unsigned const& _second)
{
solAssert(TokenTraits::isElementaryTypeName(_baseType), "Expected elementary type name: " + string(TokenTraits::toString(_baseType)));
if (_baseType == Token::BytesM)
{
solAssert(_second == 0, "There should not be a second size argument to type bytesM.");
solAssert(_first <= 32, "No elementary type bytes" + to_string(_first) + ".");
}
else if (_baseType == Token::UIntM || _baseType == Token::IntM)
{
solAssert(_second == 0, "There should not be a second size argument to type " + string(TokenTraits::toString(_baseType)) + ".");
solAssert(
_first <= 256 && _first % 8 == 0,
"No elementary type " + string(TokenTraits::toString(_baseType)) + to_string(_first) + "."
);
}
else if (_baseType == Token::UFixedMxN || _baseType == Token::FixedMxN)
{
solAssert(
_first >= 8 && _first <= 256 && _first % 8 == 0 && _second <= 80,
"No elementary type " + string(TokenTraits::toString(_baseType)) + to_string(_first) + "x" + to_string(_second) + "."
);
}
m_token = _baseType;
m_firstNumber = _first;
m_secondNumber = _second;
}
namespace TokenTraits
{
char const* toString(Token tok)
{
switch (tok)
{
#define T(name, string, precedence) case Token::name: return string;
TOKEN_LIST(T, T)
#undef T
default: // Token::NUM_TOKENS:
return "";
}
}
char const* name(Token tok)
{
#define T(name, string, precedence) #name,
static char const* const names[TokenTraits::count()] = { TOKEN_LIST(T, T) };
#undef T
solAssert(static_cast<size_t>(tok) < TokenTraits::count(), "");
return names[static_cast<size_t>(tok)];
}
std::string friendlyName(Token tok)
{
char const* ret = toString(tok);
if (ret)
return std::string(ret);
ret = name(tok);
solAssert(ret != nullptr, "");
return std::string(ret);
}
#define T(name, string, precedence) precedence,
int precedence(Token tok)
{
int8_t const static precs[TokenTraits::count()] =
{
TOKEN_LIST(T, T)
};
return precs[static_cast<size_t>(tok)];
}
#undef T
int parseSize(string::const_iterator _begin, string::const_iterator _end)
{
try
{
unsigned int m = boost::lexical_cast<int>(boost::make_iterator_range(_begin, _end));
return m;
}
catch(boost::bad_lexical_cast const&)
{
return -1;
}
}
static Token keywordByName(string const& _name)
{
// The following macros are used inside TOKEN_LIST and cause non-keyword tokens to be ignored
// and keywords to be put inside the keywords variable.
#define KEYWORD(name, string, precedence) {string, Token::name},
#define TOKEN(name, string, precedence)
static const map<string, Token> keywords({TOKEN_LIST(TOKEN, KEYWORD)});
#undef KEYWORD
#undef TOKEN
auto it = keywords.find(_name);
return it == keywords.end() ? Token::Identifier : it->second;
}
tuple<Token, unsigned int, unsigned int> fromIdentifierOrKeyword(string const& _literal)
{
auto positionM = find_if(_literal.begin(), _literal.end(), ::isdigit);
if (positionM != _literal.end())
{
string baseType(_literal.begin(), positionM);
auto positionX = find_if_not(positionM, _literal.end(), ::isdigit);
int m = parseSize(positionM, positionX);
Token keyword = keywordByName(baseType);
if (keyword == Token::Bytes)
{
if (0 < m && m <= 32 && positionX == _literal.end())
return make_tuple(Token::BytesM, m, 0);
}
else if (keyword == Token::UInt || keyword == Token::Int)
{
if (0 < m && m <= 256 && m % 8 == 0 && positionX == _literal.end())
{
if (keyword == Token::UInt)
return make_tuple(Token::UIntM, m, 0);
else
return make_tuple(Token::IntM, m, 0);
}
}
else if (keyword == Token::UFixed || keyword == Token::Fixed)
{
if (
positionM < positionX &&
positionX < _literal.end() &&
*positionX == 'x' &&
all_of(positionX + 1, _literal.end(), ::isdigit)
) {
int n = parseSize(positionX + 1, _literal.end());
if (
8 <= m && m <= 256 && m % 8 == 0 &&
0 <= n && n <= 80
) {
if (keyword == Token::UFixed)
return make_tuple(Token::UFixedMxN, m, n);
else
return make_tuple(Token::FixedMxN, m, n);
}
}
}
return make_tuple(Token::Identifier, 0, 0);
}
return make_tuple(keywordByName(_literal), 0, 0);
}
}
}
|
