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| author | Alex Beregszaszi <alex@rtfs.hu> | 2017-07-11 19:37:34 +0800 |
|---|---|---|
| committer | Alex Beregszaszi <alex@rtfs.hu> | 2017-07-12 16:48:44 +0800 |
| commit | db7ad508f8ad33389ae507967aebc05aaf31b94b (patch) | |
| tree | cb36442efdde7fffc045ca4f87f7635d6e976b94 /libsolidity/analysis/TypeChecker.cpp | |
| parent | 699a3724ae57168578dbc9844ca20c4af1ed7bcf (diff) | |
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Issue proper warning trying to access calldata variables in inline assembly
Diffstat (limited to 'libsolidity/analysis/TypeChecker.cpp')
| -rw-r--r-- | libsolidity/analysis/TypeChecker.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index 7306a36d..90043b43 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -723,7 +723,10 @@ bool TypeChecker::visit(InlineAssembly const& _inlineAssembly) } else if (var->type()->sizeOnStack() != 1) { - m_errorReporter.typeError(_identifier.location, "Only types that use one stack slot are supported."); + if (var->type()->dataStoredIn(DataLocation::CallData)) + m_errorReporter.typeError(_identifier.location, "Call data elements cannot be accessed directly. Copy to a local variable first or use \"calldataload\" or \"calldatacopy\" with manually determined offsets and sizes."); + else + m_errorReporter.typeError(_identifier.location, "Only types that use one stack slot are supported."); return size_t(-1); } } |