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Merge pull request #2644 from ethereum/toodeep

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Report location on stack too deep if possible
This commit is contained in:
Yoichi Hirai 2017-07-27 11:21:07 +02:00 committed by GitHub
commit b68591c468
2 changed files with 7 additions and 1 deletions
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1
libsolidity/codegen/CompilerContext.cpp
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@ -310,6 +310,7 @@ void CompilerContext::appendInlineAssembly(
if (stackDiff < 1 || stackDiff > 16)
BOOST_THROW_EXCEPTION(
CompilerError() <<
errinfo_sourceLocation(_identifier.location) <<
errinfo_comment("Stack too deep (" + to_string(stackDiff) + "), try removing local variables.")
);
if (_context == julia::IdentifierContext::RValue)

7
libsolidity/codegen/ExpressionCompiler.cpp
View File

@ -174,7 +174,12 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
retSizeOnStack = returnTypes.front()->sizeOnStack();
}
solAssert(retSizeOnStack == utils().sizeOnStack(returnTypes), "");
solAssert(retSizeOnStack <= 15, "Stack is too deep.");
if (retSizeOnStack > 15)
BOOST_THROW_EXCEPTION(
CompilerError() <<
errinfo_sourceLocation(_varDecl.location()) <<
errinfo_comment("Stack too deep.")
);
m_context << dupInstruction(retSizeOnStack + 1);
m_context.appendJump(eth::AssemblyItem::JumpType::OutOfFunction);
}