Allow inserting low-level functions without calling them.

This commit is contained in:
chriseth committed 2017-01-26 16:39:07 +01:00
1 parent 390bebaaf9
commit d9fbb83861
2 files changed
+26 -5

No files matched your search

+16 -5
View File
@@ -70,19 +70,30 @@ void CompilerContext::callLowLevelFunction(
eth::AssemblyItem retTag = pushNewTag();
CompilerUtils(*this).moveIntoStack(_inArgs);
*this << lowLevelFunctionTag(_name, _inArgs, _outArgs, _generator);
appendJump(eth::AssemblyItem::JumpType::IntoFunction);
adjustStackOffset(int(_outArgs) - 1 - _inArgs);
*this << retTag.tag();
}
eth::AssemblyItem CompilerContext::lowLevelFunctionTag(
string const& _name,
unsigned _inArgs,
unsigned _outArgs,
function<void(CompilerContext&)> const& _generator
)
{
auto it = m_lowLevelFunctions.find(_name);
if (it == m_lowLevelFunctions.end())
{
eth::AssemblyItem tag = newTag().pushTag();
m_lowLevelFunctions.insert(make_pair(_name, tag));
m_lowLevelFunctionGenerationQueue.push(make_tuple(_name, _inArgs, _outArgs, _generator));
*this << tag;
return tag;
}
else
*this << it->second;
appendJump(eth::AssemblyItem::JumpType::IntoFunction);
adjustStackOffset(int(_outArgs) - 1 - _inArgs);
*this << retTag.tag();
return it->second;
}
void CompilerContext::appendMissingLowLevelFunctions()