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| author | Christian <c@ethdev.com> | 2014-12-09 05:18:19 +0800 |
|---|---|---|
| committer | Christian <c@ethdev.com> | 2014-12-09 05:26:22 +0800 |
| commit | 35d5b28faeee5e19d0dbbeb3c75454249d636abd (patch) | |
| tree | 227b04a23f5d66e442fc824e4cfcbba802989ccd /CompilerUtils.cpp | |
| parent | b7d856ed5fee1f0f918e30218e3a95fd8fc20dd3 (diff) | |
| download | dexon-solidity-35d5b28faeee5e19d0dbbeb3c75454249d636abd.tar.gz dexon-solidity-35d5b28faeee5e19d0dbbeb3c75454249d636abd.tar.zst dexon-solidity-35d5b28faeee5e19d0dbbeb3c75454249d636abd.zip | |
Variable-size stack elements for expression compiler.
Diffstat (limited to 'CompilerUtils.cpp')
| -rw-r--r-- | CompilerUtils.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/CompilerUtils.cpp b/CompilerUtils.cpp index b3d982c9..cbd92d2b 100644 --- a/CompilerUtils.cpp +++ b/CompilerUtils.cpp @@ -35,6 +35,9 @@ void CompilerUtils::moveToStackVariable(VariableDeclaration const& _variable) { unsigned const stackPosition = m_context.baseToCurrentStackOffset(m_context.getBaseStackOffsetOfVariable(_variable)); unsigned const size = _variable.getType()->getSizeOnStack(); + if (stackPosition - size + 1 > 16) + BOOST_THROW_EXCEPTION(CompilerError() << errinfo_sourceLocation(_variable.getLocation()) + << errinfo_comment("Stack too deep.")); for (unsigned i = 0; i < size; ++i) m_context << eth::swapInstruction(stackPosition - size + 1) << eth::Instruction::POP; } @@ -46,5 +49,13 @@ void CompilerUtils::popStackElement(Type const& _type) m_context << eth::Instruction::POP; } +unsigned CompilerUtils::getSizeOnStack(vector<shared_ptr<Type const>> const& _variableTypes) +{ + unsigned size = 0; + for (shared_ptr<Type const> const& type: _variableTypes) + size += type->getSizeOnStack(); + return size; +} + } } |