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Modify parser and optimizer.

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This commit is contained in:
chriseth
2019-05-20 17:32:56 +02:00
parent 46d9df7574
commit 1dc15d5864
20 changed files with 117 additions and 61 deletions
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test/tools/yulInterpreter/EVMInstructionInterpreter.cpp
+8 -5
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@@ -22,6 +22,7 @@
#include <test/tools/yulInterpreter/Interpreter.h>
#include <libyul/backends/evm/EVMDialect.h>
#include <libyul/AsmData.h>
#include <libevmasm/Instruction.h>
@@ -444,13 +445,15 @@ u256 EVMInstructionInterpreter::eval(
return 0;
}
u256 EVMInstructionInterpreter::evalBuiltin(YulString _name, const std::vector<u256>& _arguments)
u256 EVMInstructionInterpreter::evalBuiltin(BuiltinFunctionForEVM const& _fun, const std::vector<u256>& _arguments)
{
if (_name == "datasize"_yulstring)
if (_fun.instruction)
return eval(*_fun.instruction, _arguments);
else if (_fun.name == "datasize"_yulstring)
return u256(keccak256(h256(_arguments.at(0)))) & 0xfff;
else if (_name == "dataoffset"_yulstring)
else if (_fun.name == "dataoffset"_yulstring)
return u256(keccak256(h256(_arguments.at(0) + 2))) & 0xfff;
else if (_name == "datacopy"_yulstring)
else if (_fun.name == "datacopy"_yulstring)
{
// This is identical to codecopy.
if (logMemoryWrite(_arguments.at(0), _arguments.at(2)))
@@ -463,7 +466,7 @@ u256 EVMInstructionInterpreter::evalBuiltin(YulString _name, const std::vector<u
);
}
else
yulAssert(false, "Unknown builtin: " + _name.str());
yulAssert(false, "Unknown builtin: " + _fun.name.str());
return 0;
}