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Report locations of unimplemented features.

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This commit is contained in:
chriseth
2020-09-15 14:41:46 +02:00
parent b1ccf73511
commit 930646ba2b
4 changed files with 128 additions and 51 deletions
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libsolidity/codegen/ir/IRGeneratorForStatements.cpp
+98 -46
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@@ -38,6 +38,8 @@
#include <libyul/Dialect.h>
#include <libyul/optimiser/ASTCopier.h>
#include <liblangutil/Exceptions.h>
#include <libsolutil/Whiskers.h>
#include <libsolutil/StringUtils.h>
#include <libsolutil/Keccak256.h>
@@ -152,74 +154,124 @@ string IRGeneratorForStatements::code() const
return m_code.str();
}
void IRGeneratorForStatements::generate(Block const& _block)
{
try
{
_block.accept(*this);
}
catch (langutil::UnimplementedFeatureError const& _error)
{
if (!boost::get_error_info<langutil::errinfo_sourceLocation>(_error))
_error << langutil::errinfo_sourceLocation(m_currentLocation);
throw _error;
}
}
void IRGeneratorForStatements::initializeStateVar(VariableDeclaration const& _varDecl)
{
setLocation(_varDecl);
try
{
setLocation(_varDecl);
solAssert(_varDecl.immutable() || m_context.isStateVariable(_varDecl), "Must be immutable or a state variable.");
solAssert(!_varDecl.isConstant(), "");
if (!_varDecl.value())
return;
solAssert(_varDecl.immutable() || m_context.isStateVariable(_varDecl), "Must be immutable or a state variable.");
solAssert(!_varDecl.isConstant(), "");
if (!_varDecl.value())
return;
_varDecl.value()->accept(*this);
writeToLValue(
_varDecl.immutable() ?
IRLValue{*_varDecl.annotation().type, IRLValue::Immutable{&_varDecl}} :
IRLValue{*_varDecl.annotation().type, IRLValue::Storage{
util::toCompactHexWithPrefix(m_context.storageLocationOfStateVariable(_varDecl).first),
m_context.storageLocationOfStateVariable(_varDecl).second
}},
*_varDecl.value()
);
_varDecl.value()->accept(*this);
writeToLValue(
_varDecl.immutable() ?
IRLValue{*_varDecl.annotation().type, IRLValue::Immutable{&_varDecl}} :
IRLValue{*_varDecl.annotation().type, IRLValue::Storage{
util::toCompactHexWithPrefix(m_context.storageLocationOfStateVariable(_varDecl).first),
m_context.storageLocationOfStateVariable(_varDecl).second
}},
*_varDecl.value()
);
}
catch (langutil::UnimplementedFeatureError const& _error)
{
if (!boost::get_error_info<langutil::errinfo_sourceLocation>(_error))
_error << langutil::errinfo_sourceLocation(m_currentLocation);
throw _error;
}
}
void IRGeneratorForStatements::initializeLocalVar(VariableDeclaration const& _varDecl)
{
setLocation(_varDecl);
try
{
setLocation(_varDecl);
solAssert(m_context.isLocalVariable(_varDecl), "Must be a local variable.");
solAssert(m_context.isLocalVariable(_varDecl), "Must be a local variable.");
auto const* type = _varDecl.type();
if (auto const* refType = dynamic_cast<ReferenceType const*>(type))
if (refType->dataStoredIn(DataLocation::Storage) && refType->isPointer())
return;
auto const* type = _varDecl.type();
if (auto const* refType = dynamic_cast<ReferenceType const*>(type))
if (refType->dataStoredIn(DataLocation::Storage) && refType->isPointer())
return;
IRVariable zero = zeroValue(*type);
assign(m_context.localVariable(_varDecl), zero);
IRVariable zero = zeroValue(*type);
assign(m_context.localVariable(_varDecl), zero);
}
catch (langutil::UnimplementedFeatureError const& _error)
{
if (!boost::get_error_info<langutil::errinfo_sourceLocation>(_error))
_error << langutil::errinfo_sourceLocation(m_currentLocation);
throw _error;
}
}
IRVariable IRGeneratorForStatements::evaluateExpression(Expression const& _expression, Type const& _targetType)
{
setLocation(_expression);
try
{
setLocation(_expression);
_expression.accept(*this);
IRVariable variable{m_context.newYulVariable(), _targetType};
define(variable, _expression);
return variable;
_expression.accept(*this);
IRVariable variable{m_context.newYulVariable(), _targetType};
define(variable, _expression);
return variable;
}
catch (langutil::UnimplementedFeatureError const& _error)
{
if (!boost::get_error_info<langutil::errinfo_sourceLocation>(_error))
_error << langutil::errinfo_sourceLocation(m_currentLocation);
throw _error;
}
}
string IRGeneratorForStatements::constantValueFunction(VariableDeclaration const& _constant)
{
setLocation(_constant);
try
{
setLocation(_constant);
string functionName = IRNames::constantValueFunction(_constant);
return m_context.functionCollector().createFunction(functionName, [&] {
Whiskers templ(R"(
function <functionName>() -> <ret> {
<code>
<ret> := <value>
}
)");
templ("functionName", functionName);
IRGeneratorForStatements generator(m_context, m_utils);
solAssert(_constant.value(), "");
Type const& constantType = *_constant.type();
templ("value", generator.evaluateExpression(*_constant.value(), constantType).commaSeparatedList());
templ("code", generator.code());
templ("ret", IRVariable("ret", constantType).commaSeparatedList());
string functionName = IRNames::constantValueFunction(_constant);
return m_context.functionCollector().createFunction(functionName, [&] {
Whiskers templ(R"(
function <functionName>() -> <ret> {
<code>
<ret> := <value>
}
)");
templ("functionName", functionName);
IRGeneratorForStatements generator(m_context, m_utils);
solAssert(_constant.value(), "");
Type const& constantType = *_constant.type();
templ("value", generator.evaluateExpression(*_constant.value(), constantType).commaSeparatedList());
templ("code", generator.code());
templ("ret", IRVariable("ret", constantType).commaSeparatedList());
return templ.render();
});
return templ.render();
});
}
catch (langutil::UnimplementedFeatureError const& _error)
{
if (!boost::get_error_info<langutil::errinfo_sourceLocation>(_error))
_error << langutil::errinfo_sourceLocation(m_currentLocation);
throw _error;
}
}
void IRGeneratorForStatements::endVisit(VariableDeclarationStatement const& _varDeclStatement)