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Merge pull request #1244 from ethereum/1242

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`super`'s size on stack is zero
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chriseth 2016-10-19 10:33:41 +02:00 committed by GitHub
commit 65da8e4e16
3 changed files with 11 additions and 0 deletions
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1
Changelog.md
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@ -8,6 +8,7 @@ Features:
Bugfixes:
* Disallow unknown options in `solc`
* Code Generator: expect zero stack increase after `super` as an expression
* Inline assembly: support the `address` opcode
* Inline assembly: fix parsing of assignment after a label.

1
libsolidity/ast/Types.h
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@ -623,6 +623,7 @@ public:
}
virtual unsigned storageBytes() const override { return 20; }
virtual bool canLiveOutsideStorage() const override { return true; }
virtual unsigned sizeOnStack() const override { return m_super ? 0 : 1; }
virtual bool isValueType() const override { return true; }
virtual std::string toString(bool _short) const override;
virtual std::string canonicalName(bool _addDataLocation) const override;

9
test/libsolidity/SolidityEndToEndTest.cpp
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@ -2513,6 +2513,15 @@ BOOST_AUTO_TEST_CASE(super_in_constructor)
BOOST_CHECK(callContractFunction("f()") == encodeArgs(1 | 2 | 4 | 8));
}
BOOST_AUTO_TEST_CASE(super_alone)
{
char const* sourceCode = R"(
contract A { function f() { super; } }
)";
compileAndRun(sourceCode, 0, "A");
BOOST_CHECK(callContractFunction("f()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(fallback_function)
{
char const* sourceCode = R"(