Merge pull request #2362 from ethereum/lowercase_instructions

Use lowercase when reporting instruction error.
This commit is contained in:
Alex Beregszaszi 2017-06-09 14:49:59 +01:00 committed by GitHub
commit fe3b46554a
3 changed files with 33 additions and 14 deletions

View File

@ -206,6 +206,20 @@ std::map<string, dev::solidity::Instruction> const& Parser::instructions()
return s_instructions;
}
std::map<dev::solidity::Instruction, string> const& Parser::instructionNames()
{
static map<dev::solidity::Instruction, string> s_instructionNames;
if (s_instructionNames.empty())
{
for (auto const& instr: instructions())
s_instructionNames[instr.second] = instr.first;
// set the ambiguous instructions to a clear default
s_instructionNames[solidity::Instruction::SELFDESTRUCT] = "selfdestruct";
s_instructionNames[solidity::Instruction::KECCAK256] = "keccak256";
}
return s_instructionNames;
}
assembly::Statement Parser::parseElementaryOperation(bool _onlySinglePusher)
{
Statement ret;
@ -233,7 +247,7 @@ assembly::Statement Parser::parseElementaryOperation(bool _onlySinglePusher)
{
InstructionInfo info = dev::solidity::instructionInfo(instr);
if (info.ret != 1)
fatalParserError("Instruction " + info.name + " not allowed in this context.");
fatalParserError("Instruction \"" + literal + "\" not allowed in this context.");
}
ret = Instruction{location(), instr};
}
@ -363,9 +377,9 @@ assembly::Statement Parser::parseCall(assembly::Statement&& _instruction)
/// check for premature closing parentheses
if (currentToken() == Token::RParen)
fatalParserError(string(
"Expected expression (" +
instrInfo.name +
" expects " +
"Expected expression (\"" +
instructionNames().at(instr) +
"\" expects " +
boost::lexical_cast<string>(args) +
" arguments)"
));
@ -375,9 +389,9 @@ assembly::Statement Parser::parseCall(assembly::Statement&& _instruction)
{
if (currentToken() != Token::Comma)
fatalParserError(string(
"Expected comma (" +
instrInfo.name +
" expects " +
"Expected comma (\"" +
instructionNames().at(instr) +
"\" expects " +
boost::lexical_cast<string>(args) +
" arguments)"
));
@ -387,9 +401,13 @@ assembly::Statement Parser::parseCall(assembly::Statement&& _instruction)
}
ret.location.end = endPosition();
if (currentToken() == Token::Comma)
fatalParserError(
string("Expected ')' (" + instrInfo.name + " expects " + boost::lexical_cast<string>(args) + " arguments)")
);
fatalParserError(string(
"Expected ')' (\"" +
instructionNames().at(instr) +
"\" expects " +
boost::lexical_cast<string>(args) +
" arguments)"
));
expectToken(Token::RParen);
return ret;
}

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@ -65,7 +65,8 @@ protected:
Case parseCase();
/// Parses a functional expression that has to push exactly one stack element
Statement parseExpression();
std::map<std::string, dev::solidity::Instruction> const& instructions();
static std::map<std::string, dev::solidity::Instruction> const& instructions();
static std::map<dev::solidity::Instruction, std::string> const& instructionNames();
Statement parseElementaryOperation(bool _onlySinglePusher = false);
VariableDeclaration parseVariableDeclaration();
FunctionDefinition parseFunctionDefinition();

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@ -330,13 +330,13 @@ BOOST_AUTO_TEST_CASE(invalid_tuple_assignment)
BOOST_AUTO_TEST_CASE(instruction_too_few_arguments)
{
CHECK_PARSE_ERROR("{ mul() }", ParserError, "Expected expression (MUL expects 2 arguments)");
CHECK_PARSE_ERROR("{ mul(1) }", ParserError, "Expected comma (MUL expects 2 arguments)");
CHECK_PARSE_ERROR("{ mul() }", ParserError, "Expected expression (\"mul\" expects 2 arguments)");
CHECK_PARSE_ERROR("{ mul(1) }", ParserError, "Expected comma (\"mul\" expects 2 arguments)");
}
BOOST_AUTO_TEST_CASE(instruction_too_many_arguments)
{
CHECK_PARSE_ERROR("{ mul(1, 2, 3) }", ParserError, "Expected ')' (MUL expects 2 arguments)");
CHECK_PARSE_ERROR("{ mul(1, 2, 3) }", ParserError, "Expected ')' (\"mul\" expects 2 arguments)");
}
BOOST_AUTO_TEST_SUITE_END()