From 05cc7e79e1bf484c71ce93510fbfbf2c3e415cc6 Mon Sep 17 00:00:00 2001 From: Alex Beregszaszi Date: Tue, 7 Aug 2018 13:17:56 +0100 Subject: More precise error message if using non-variables with _slot/_offset --- libsolidity/analysis/ReferencesResolver.cpp | 2 -- libsolidity/analysis/TypeChecker.cpp | 8 +++++++- 2 files changed, 7 insertions(+), 3 deletions(-) (limited to 'libsolidity/analysis') diff --git a/libsolidity/analysis/ReferencesResolver.cpp b/libsolidity/analysis/ReferencesResolver.cpp index b888ecd6..5458c1b0 100644 --- a/libsolidity/analysis/ReferencesResolver.cpp +++ b/libsolidity/analysis/ReferencesResolver.cpp @@ -262,8 +262,6 @@ bool ReferencesResolver::visit(InlineAssembly const& _inlineAssembly) return size_t(-1); } declarations = m_resolver.nameFromCurrentScope(realName); - if (!dynamic_cast(declarations.front())) - return size_t(-1); } if (declarations.size() != 1) return size_t(-1); diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index 7cec7c43..d98d6af1 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -867,6 +867,7 @@ bool TypeChecker::visit(InlineAssembly const& _inlineAssembly) return size_t(-1); Declaration const* declaration = ref->second.declaration; solAssert(!!declaration, ""); + bool requiresStorage = ref->second.isSlot || ref->second.isOffset; if (auto var = dynamic_cast(declaration)) { if (var->isConstant()) @@ -874,7 +875,7 @@ bool TypeChecker::visit(InlineAssembly const& _inlineAssembly) m_errorReporter.typeError(_identifier.location, "Constant variables not supported by inline assembly."); return size_t(-1); } - else if (ref->second.isSlot || ref->second.isOffset) + else if (requiresStorage) { if (!var->isStateVariable() && !var->type()->dataStoredIn(DataLocation::Storage)) { @@ -906,6 +907,11 @@ bool TypeChecker::visit(InlineAssembly const& _inlineAssembly) return size_t(-1); } } + else if (requiresStorage) + { + m_errorReporter.typeError(_identifier.location, "The suffixes _offset and _slot can only be used on storage variables."); + return size_t(-1); + } else if (_context == julia::IdentifierContext::LValue) { m_errorReporter.typeError(_identifier.location, "Only local variables can be assigned to in inline assembly."); -- cgit