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Support ErrorTag as a jump label in inline assembly

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This commit is contained in:
Alex Beregszaszi 2016-10-20 12:30:04 +01:00
parent 028ab1fbfb
commit 91367234d9
2 changed files with 6 additions and 1 deletions
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1
Changelog.md
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@ -2,6 +2,7 @@
Features: Features:
* Do-while loops: support for a C-style do{<block>}while(<expr>); control structure * Do-while loops: support for a C-style do{<block>}while(<expr>); control structure
* Inline assembly: support ``ErrorTag`` as a jump label.
* Type checker: now more eagerly searches for a common type of an inline array with mixed types * Type checker: now more eagerly searches for a common type of an inline array with mixed types
* Code generator: generates a runtime error when an out-of-range value is converted into an enum type. * Code generator: generates a runtime error when an out-of-range value is converted into an enum type.

6
libsolidity/inlineasm/AsmCodeGen.cpp
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@ -81,7 +81,11 @@ struct GeneratorState
class LabelOrganizer: public boost::static_visitor<> class LabelOrganizer: public boost::static_visitor<>
{ {
public: public:
LabelOrganizer(GeneratorState& _state): m_state(_state) {} LabelOrganizer(GeneratorState& _state): m_state(_state)
{
// Make the Solidity ErrorTag available to inline assembly
m_state.labels.insert(make_pair("ErrorTag", m_state.assembly.errorTag()));
}
template <class T> template <class T>
void operator()(T const& /*_item*/) { } void operator()(T const& /*_item*/) { }