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Add EVM opcodes as builtins.

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This commit is contained in:
chriseth
2019-05-20 16:46:31 +02:00
parent 003c170989
commit 46d9df7574
7 changed files with 79 additions and 37 deletions
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libyul/backends/evm/EVMDialect.cpp
+13 -9
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@@ -51,7 +51,9 @@ pair<YulString, BuiltinFunctionForEVM> createEVMFunction(
f.parameters.resize(info.args);
f.returns.resize(info.ret);
f.movable = eth::SemanticInformation::movable(_instruction);
f.sideEffectFree = eth::SemanticInformation::sideEffectFree(_instruction);
f.literalArguments = false;
f.instruction = _instruction;
f.generateCode = [_instruction](
FunctionCall const&,
AbstractAssembly& _assembly,
@@ -83,20 +85,22 @@ pair<YulString, BuiltinFunctionForEVM> createFunction(
f.movable = _movable;
f.literalArguments = _literalArguments;
f.sideEffectFree = _sideEffectFree;
f.instruction = {};
f.generateCode = std::move(_generateCode);
return {name, f};
}
map<YulString, BuiltinFunctionForEVM> createBuiltins(langutil::EVMVersion _evmVersion, bool _objectAccess)
map<YulString, BuiltinFunctionForEVM> createBuiltins(langutil::EVMVersion _evmVersion, bool _objectAccess, bool _evmOpcodes)
{
map<YulString, BuiltinFunctionForEVM> builtins;
for (auto const& instr: Parser::instructions())
if (
!dev::eth::isDupInstruction(instr.second) &&
!dev::eth::isSwapInstruction(instr.second) &&
_evmVersion.hasOpcode(instr.second)
)
builtins.emplace(createEVMFunction(instr.first, instr.second));
if (_evmOpcodes)
for (auto const& instr: Parser::instructions())
if (
!dev::eth::isDupInstruction(instr.second) &&
!dev::eth::isSwapInstruction(instr.second) &&
_evmVersion.hasOpcode(instr.second)
)
builtins.emplace(createEVMFunction(instr.first, instr.second));
if (_objectAccess)
{
@@ -161,7 +165,7 @@ EVMDialect::EVMDialect(AsmFlavour _flavour, bool _objectAccess, langutil::EVMVer
Dialect{_flavour},
m_objectAccess(_objectAccess),
m_evmVersion(_evmVersion),
m_functions(createBuiltins(_evmVersion, _objectAccess))
m_functions(createBuiltins(_evmVersion, _objectAccess, _flavour != AsmFlavour::Loose))
{
}