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Fix modifier lookup.

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This commit is contained in:
chriseth 2021-01-13 23:57:03 +01:00
parent fe344ed6e5
commit 8ad9290086
3 changed files with 23 additions and 9 deletions
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28
libsolidity/codegen/ir/IRGenerator.cpp
View File

@ -338,14 +338,24 @@ string IRGenerator::generateModifier(
t("retParams", joinHumanReadable(retParams));
t("assignRetParams", assignRetParams);
solAssert(*_modifierInvocation.name().annotation().requiredLookup == VirtualLookup::Virtual, "");
ModifierDefinition const& modifier = dynamic_cast<ModifierDefinition const&>(
*_modifierInvocation.name().annotation().referencedDeclaration
).resolveVirtual(m_context.mostDerivedContract());
ModifierDefinition const* modifier = dynamic_cast<ModifierDefinition const*>(
_modifierInvocation.name().annotation().referencedDeclaration
);
solAssert(modifier, "");
switch (*_modifierInvocation.name().annotation().requiredLookup)
{
case VirtualLookup::Virtual:
modifier = &modifier->resolveVirtual(m_context.mostDerivedContract());
solAssert(modifier, "");
break;
case VirtualLookup::Static:
break;
case VirtualLookup::Super:
solAssert(false, "");
}
solAssert(
modifier.parameters().empty() ==
modifier->parameters().empty() ==
(!_modifierInvocation.arguments() || _modifierInvocation.arguments()->empty()),
""
);
@ -355,10 +365,10 @@ string IRGenerator::generateModifier(
{
IRVariable argument = expressionEvaluator.evaluateExpression(
*_modifierInvocation.arguments()->at(i),
*modifier.parameters()[i]->annotation().type
*modifier->parameters()[i]->annotation().type
);
expressionEvaluator.define(
m_context.addLocalVariable(*modifier.parameters()[i]),
m_context.addLocalVariable(*modifier->parameters()[i]),
argument
);
}
@ -370,7 +380,7 @@ string IRGenerator::generateModifier(
(ret.empty() ? "" : ret + " := ") +
_nextFunction + "(" + joinHumanReadable(params) + ")\n";
});
generator.generate(modifier.body());
generator.generate(modifier->body());
t("body", generator.code());
return t.render();
});

2
test/libsolidity/semanticTests/modifiers/access_through_contract_name.sol
View File

@ -12,6 +12,8 @@ contract C is A {
return 10;
}
}
// ====
// compileViaYul: also
// ----
// x() -> 7
// f() -> 9

2
test/libsolidity/semanticTests/modifiers/access_through_module_name.sol
View File

@ -15,6 +15,8 @@ contract C {
r = 10;
}
}
// ====
// compileViaYul: also
// ----
// x() -> 0x00
// f() -> 1, 9