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Merge pull request #11433 from ethereum/panic-dedup

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Insert a call to panic function in legacy codegen (and not inline it every single time)
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chriseth
2021-05-31 11:23:30 +02:00
committed by GitHub
parent 2f0df8f054 47167a42a7
commit 29a995b937
18 changed files with 146 additions and 65 deletions
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libsolidity/codegen/CompilerContext.cpp
+1 -8
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@@ -334,14 +334,7 @@ CompilerContext& CompilerContext::appendJump(evmasm::AssemblyItem::JumpType _jum
CompilerContext& CompilerContext::appendPanic(util::PanicCode _code)
{
Whiskers templ(R"({
mstore(0, <selector>)
mstore(4, <code>)
revert(0, 0x24)
})");
templ("selector", util::selectorFromSignature("Panic(uint256)").str());
templ("code", toCompactHexWithPrefix(static_cast<unsigned>(_code)));
appendInlineAssembly(templ.render());
callYulFunction(utilFunctions().panicFunction(_code), 0, 0);
return *this;
}