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More granular error reporting in warnOnInstruction in AsmAnalysis

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This commit is contained in:
Alex Beregszaszi 2019-02-25 18:04:55 +00:00
parent 80417e3d8c
commit 5fc8e29fff
1 changed files with 32 additions and 22 deletions
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54
libyul/AsmAnalysis.cpp
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@ -641,7 +641,22 @@ void AsmAnalyzer::warnOnInstructions(solidity::Instruction _instr, SourceLocatio
solAssert(m_evmVersion.hasBitwiseShifting() == m_evmVersion.hasCreate2(), "");
solAssert(m_dialect->flavour != AsmFlavour::Yul, "");
auto warningForVM = [=](string const& vmKindMessage) {
m_errorReporter.warning(
_location,
"The \"" +
boost::to_lower_copy(instructionInfo(_instr).name)
+ "\" instruction is " +
vmKindMessage +
" VMs. " +
"You are currently compiling for \"" +
m_evmVersion.name() +
"\", where it will be interpreted as an invalid instruction."
);
};
if (_instr == solidity::Instruction::EXTCODEHASH)
{
m_errorReporter.warning(
_location,
"The \"" +
@ -651,35 +666,30 @@ void AsmAnalyzer::warnOnInstructions(solidity::Instruction _instr, SourceLocatio
"\" you are currently compiling for. " +
"It will be interpreted as an invalid instruction on this VM."
);
}
else if ((
_instr == solidity::Instruction::RETURNDATACOPY ||
_instr == solidity::Instruction::RETURNDATASIZE ||
_instr == solidity::Instruction::STATICCALL
_instr == solidity::Instruction::RETURNDATASIZE
) && !m_evmVersion.supportsReturndata())
m_errorReporter.warning(
_location,
"The \"" +
boost::to_lower_copy(instructionInfo(_instr).name)
+ "\" instruction is only available for Byzantium-compatible VMs. " +
"You are currently compiling for \"" +
m_evmVersion.name() +
"\", where it will be interpreted as an invalid instruction."
);
{
warningForVM("only available for Byzantium-compatible");
}
else if (_instr == solidity::Instruction::STATICCALL && !m_evmVersion.hasStaticCall())
{
warningForVM("only available for Byzantium-compatible");
}
else if ((
_instr == solidity::Instruction::SHL ||
_instr == solidity::Instruction::SHR ||
_instr == solidity::Instruction::SAR ||
_instr == solidity::Instruction::CREATE2
_instr == solidity::Instruction::SAR
) && !m_evmVersion.hasBitwiseShifting())
m_errorReporter.warning(
_location,
"The \"" +
boost::to_lower_copy(instructionInfo(_instr).name)
+ "\" instruction is only available for Constantinople-compatible VMs. " +
"You are currently compiling for \"" +
m_evmVersion.name() +
"\", where it will be interpreted as an invalid instruction."
);
{
warningForVM("only available for Constantinople-compatible");
}
else if (_instr == solidity::Instruction::CREATE2 && !m_evmVersion.hasCreate2())
{
warningForVM("only available for Constantinople-compatible");
}
else if (_instr == solidity::Instruction::JUMP || _instr == solidity::Instruction::JUMPI || _instr == solidity::Instruction::JUMPDEST)
{
if (m_dialect->flavour == AsmFlavour::Loose)