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
|
/*
This file is part of solidity.
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/>.
*/
/**
* Full assembly stack that can support EVM-assembly and JULIA as input and EVM, EVM1.5 and
* eWasm as output.
*/
#include <libsolidity/interface/AssemblyStack.h>
#include <libsolidity/parsing/Scanner.h>
#include <libsolidity/inlineasm/AsmPrinter.h>
#include <libsolidity/inlineasm/AsmParser.h>
#include <libsolidity/inlineasm/AsmAnalysis.h>
#include <libsolidity/inlineasm/AsmAnalysisInfo.h>
#include <libsolidity/inlineasm/AsmCodeGen.h>
#include <libevmasm/Assembly.h>
#include <libjulia/backends/evm/EVMCodeTransform.h>
#include <libjulia/backends/evm/EVMAssembly.h>
using namespace std;
using namespace dev;
using namespace dev::solidity;
namespace
{
assembly::AsmFlavour languageToAsmFlavour(AssemblyStack::Language _language)
{
switch (_language)
{
case AssemblyStack::Language::Assembly:
return assembly::AsmFlavour::Loose;
case AssemblyStack::Language::StrictAssembly:
return assembly::AsmFlavour::Strict;
case AssemblyStack::Language::JULIA:
return assembly::AsmFlavour::IULIA;
}
solAssert(false, "");
return assembly::AsmFlavour::IULIA;
}
}
Scanner const& AssemblyStack::scanner() const
{
solAssert(m_scanner, "");
return *m_scanner;
}
bool AssemblyStack::parseAndAnalyze(std::string const& _sourceName, std::string const& _source)
{
m_errors.clear();
m_analysisSuccessful = false;
m_scanner = make_shared<Scanner>(CharStream(_source), _sourceName);
m_parserResult = assembly::Parser(m_errorReporter, languageToAsmFlavour(m_language)).parse(m_scanner, false);
if (!m_errorReporter.errors().empty())
return false;
solAssert(m_parserResult, "");
return analyzeParsed();
}
bool AssemblyStack::analyze(assembly::Block const& _block, Scanner const* _scanner)
{
m_errors.clear();
m_analysisSuccessful = false;
if (_scanner)
m_scanner = make_shared<Scanner>(*_scanner);
m_parserResult = make_shared<assembly::Block>(_block);
return analyzeParsed();
}
bool AssemblyStack::analyzeParsed()
{
m_analysisInfo = make_shared<assembly::AsmAnalysisInfo>();
assembly::AsmAnalyzer analyzer(*m_analysisInfo, m_errorReporter, m_evmVersion, boost::none, languageToAsmFlavour(m_language));
m_analysisSuccessful = analyzer.analyze(*m_parserResult);
return m_analysisSuccessful;
}
MachineAssemblyObject AssemblyStack::assemble(Machine _machine) const
{
solAssert(m_analysisSuccessful, "");
solAssert(m_parserResult, "");
solAssert(m_analysisInfo, "");
switch (_machine)
{
case Machine::EVM:
{
MachineAssemblyObject object;
eth::Assembly assembly;
assembly::CodeGenerator::assemble(*m_parserResult, *m_analysisInfo, assembly);
object.bytecode = make_shared<eth::LinkerObject>(assembly.assemble());
object.assembly = assembly.assemblyString();
return object;
}
case Machine::EVM15:
{
MachineAssemblyObject object;
julia::EVMAssembly assembly(true);
julia::CodeTransform(assembly, *m_analysisInfo, m_language == Language::JULIA, true)(*m_parserResult);
object.bytecode = make_shared<eth::LinkerObject>(assembly.finalize());
/// TOOD: fill out text representation
return object;
}
case Machine::eWasm:
solUnimplemented("eWasm backend is not yet implemented.");
}
// unreachable
return MachineAssemblyObject();
}
string AssemblyStack::print() const
{
solAssert(m_parserResult, "");
return assembly::AsmPrinter(m_language == Language::JULIA)(*m_parserResult);
}
|
