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Add LLL error when assembly instruction causes stack underflow

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Alex Beregszaszi 2018-09-26 15:39:53 +01:00 committed by chriseth
parent a4d2e17a04
commit e82917d4e6
1 changed files with 6 additions and 1 deletions
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7
liblll/CodeFragment.cpp
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@ -236,7 +236,12 @@ void CodeFragment::constructOperation(sp::utree const& _t, CompilerState& _s)
int c = 0;
for (auto const& i: _t)
if (c++)
m_asm.append(CodeFragment(i, _s, m_readFile, true).m_asm);
{
auto fragment = CodeFragment(i, _s, m_readFile, true).m_asm;
if ((m_asm.deposit() + fragment.deposit()) < 0)
error<IncorrectParameterCount>("The assembly instruction resulted in stack underflow");
m_asm.append(fragment);
}
}
else if (us == "INCLUDE")
{