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IR codegen: Extract code for appending an internal function call into a separate function

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This commit is contained in:
Kamil Śliwak 2022-08-23 16:16:51 +02:00
parent 2ca349c69a
commit 4b92cbb283
2 changed files with 65 additions and 35 deletions
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93
libsolidity/codegen/ir/IRGeneratorForStatements.cpp
View File

@ -47,7 +47,10 @@
#include <libsolutil/FunctionSelector.h>
#include <libsolutil/Visitor.h>
#include <range/v3/view/indirect.hpp>
#include <range/v3/view/addressof.hpp>
#include <range/v3/view/transform.hpp>
#include <range/v3/range/conversion.hpp>
using namespace std;
using namespace solidity;
@ -996,42 +999,13 @@ void IRGeneratorForStatements::endVisit(FunctionCall const& _functionCall)
solAssert(false, "Attempted to generate code for calling a function definition.");
break;
case FunctionType::Kind::Internal:
{
FunctionDefinition const* functionDef = ASTNode::resolveFunctionCall(_functionCall, &m_context.mostDerivedContract());
solAssert(!functionType->takesArbitraryParameters());
vector<string> args;
if (functionType->hasBoundFirstArgument())
args += IRVariable(_functionCall.expression()).part("self").stackSlots();
for (size_t i = 0; i < arguments.size(); ++i)
args += convert(*arguments[i], *parameterTypes[i]).stackSlots();
if (functionDef)
{
solAssert(functionDef->isImplemented());
define(_functionCall) <<
m_context.enqueueFunctionForCodeGeneration(*functionDef) <<
"(" <<
joinHumanReadable(args) <<
")\n";
}
else
{
YulArity arity = YulArity::fromType(*functionType);
m_context.internalFunctionCalledThroughDispatch(arity);
define(_functionCall) <<
IRNames::internalDispatch(arity) <<
"(" <<
IRVariable(_functionCall.expression()).part("functionIdentifier").name() <<
joinHumanReadablePrefixed(args) <<
")\n";
}
solAssert(functionType);
appendInternalFunctionCall(
_functionCall,
*functionType,
arguments | ranges::views::indirect | ranges::views::addressof | ranges::to<vector>
);
break;
}
case FunctionType::Kind::External:
case FunctionType::Kind::DelegateCall:
appendExternalFunctionCall(_functionCall, arguments);
@ -2536,6 +2510,55 @@ void IRGeneratorForStatements::handleVariableReference(
solAssert(false, "Invalid variable kind.");
}
void IRGeneratorForStatements::appendInternalFunctionCall(
FunctionCall const& _functionCall,
FunctionType const& _functionType,
vector<Expression const*> const& _arguments
)
{
solAssert(!_functionType.takesArbitraryParameters());
FunctionDefinition const *functionDefinition = ASTNode::resolveFunctionCall(_functionCall, &m_context.mostDerivedContract());
Expression const* identifierOrMemberAccess = &_functionCall.expression();
vector<string> convertedArguments;
if (_functionType.hasBoundFirstArgument())
convertedArguments += IRVariable(*identifierOrMemberAccess).part("self").stackSlots();
TypePointers parameterTypes = _functionType.parameterTypes();
for (size_t i = 0; i < _arguments.size(); ++i)
convertedArguments += convert(*_arguments[i], *parameterTypes[i]).stackSlots();
if (functionDefinition)
{
solAssert(functionDefinition->isImplemented());
if (_functionType.hasBoundFirstArgument())
solAssert(_functionType == *functionDefinition->functionType(true /* _internal */)->withBoundFirstArgument());
else
solAssert(_functionType == *functionDefinition->functionType(true /* _internal */));
define(_functionCall) <<
m_context.enqueueFunctionForCodeGeneration(*functionDefinition) <<
"(" <<
joinHumanReadable(convertedArguments) <<
")\n";
}
else
{
solAssert(identifierOrMemberAccess);
YulArity arity = YulArity::fromType(_functionType);
m_context.internalFunctionCalledThroughDispatch(arity);
define(_functionCall) <<
IRNames::internalDispatch(arity) <<
"(" <<
IRVariable(*identifierOrMemberAccess).part("functionIdentifier").name() <<
joinHumanReadablePrefixed(convertedArguments) <<
")\n";
}
}
void IRGeneratorForStatements::appendExternalFunctionCall(
FunctionCall const& _functionCall,
vector<ASTPointer<Expression const>> const& _arguments

7
libsolidity/codegen/ir/IRGeneratorForStatements.h
View File

@ -152,6 +152,13 @@ private:
Expression const& _referencingExpression
);
/// Appends code to call an internal function with the given arguments.
/// All involved expressions have already been visited.
void appendInternalFunctionCall(
FunctionCall const& _functionCall,
FunctionType const& _functionType,
std::vector<Expression const *> const& _arguments
);
/// Appends code to call an external function with the given arguments.
/// All involved expressions have already been visited.
void appendExternalFunctionCall(