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Codegen for object access.

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This commit is contained in:
chriseth
2018-12-11 19:24:44 +01:00
parent 8d49e53995
commit fb3a0ac1c7
33 changed files with 560 additions and 173 deletions
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libyul/Dialect.h
+10 -27
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@@ -22,7 +22,9 @@
#include <libyul/YulString.h>
#include <memory>
#include <boost/noncopyable.hpp>
#include <vector>
namespace yul
{
@@ -45,38 +47,19 @@ struct BuiltinFunction
bool movable;
};
/**
* Class to query for builtin functions and their semantics.
*/
struct Builtins
struct Dialect: boost::noncopyable
{
virtual ~Builtins() = default;
AsmFlavour const flavour = AsmFlavour::Loose;
/// @returns the builtin function of the given name or a nullptr if it is not a builtin function.
virtual BuiltinFunction const* query(YulString /*_name*/) const { return nullptr; }
};
virtual BuiltinFunction const* builtin(YulString /*_name*/) const { return nullptr; }
struct Dialect
{
AsmFlavour flavour = AsmFlavour::Loose;
std::shared_ptr<Builtins> builtins;
Dialect(AsmFlavour _flavour): flavour(_flavour) {}
virtual ~Dialect() {}
Dialect(AsmFlavour _flavour, std::shared_ptr<Builtins> _builtins):
flavour(_flavour), builtins(std::move(_builtins))
{}
static Dialect looseAssemblyForEVM()
{
return Dialect{AsmFlavour::Loose, std::make_shared<Builtins>()};
}
static Dialect strictAssemblyForEVM()
{
// The EVM instructions will be moved to builtins at some point.
return Dialect{AsmFlavour::Strict, std::make_shared<Builtins>()};
}
static Dialect strictAssemblyForEVMObjects();
static Dialect yul()
static std::shared_ptr<Dialect> yul()
{
// Will have to add builtins later.
return Dialect{AsmFlavour::Yul, std::make_shared<Builtins>()};
return std::make_shared<Dialect>(AsmFlavour::Yul);
}
};